F: arch/arm/boot/dts/amlogic/
F: arch/arm/mach-meson/
F: arch/arm64/boot/dts/amlogic/
-F: drivers/genpd/amlogic/
+F: drivers/pmdomain/amlogic/
F: drivers/mmc/host/meson*
F: drivers/phy/amlogic/
F: drivers/pinctrl/meson/
F: drivers/clk/clk-apple-nco.c
F: drivers/cpufreq/apple-soc-cpufreq.c
F: drivers/dma/apple-admac.c
-F: drivers/genpd/apple/
+F: drivers/pmdomain/apple/
F: drivers/i2c/busses/i2c-pasemi-core.c
F: drivers/i2c/busses/i2c-pasemi-platform.c
F: drivers/iommu/apple-dart.c
F: drivers/clk/clk-nomadik.c
F: drivers/clocksource/clksrc-dbx500-prcmu.c
F: drivers/dma/ste_dma40*
-F: drivers/genpd/st/ste-ux500-pm-domain.c
+F: drivers/pmdomain/st/ste-ux500-pm-domain.c
F: drivers/hwspinlock/u8500_hsem.c
F: drivers/i2c/busses/i2c-nomadik.c
F: drivers/iio/adc/ab8500-gpadc.c
F: arch/arm/mach-shmobile/
F: arch/arm64/boot/dts/renesas/
F: arch/riscv/boot/dts/renesas/
-F: drivers/genpd/renesas/
+F: drivers/pmdomain/renesas/
F: drivers/soc/renesas/
F: include/linux/soc/renesas/
K: \brenesas,
F: drivers/irqchip/irq-bcm63*
F: drivers/irqchip/irq-bcm7*
F: drivers/irqchip/irq-brcmstb*
-F: drivers/genpd/bcm/bcm63xx-power.c
+F: drivers/pmdomain/bcm/bcm63xx-power.c
F: include/linux/bcm963xx_nvram.h
F: include/linux/bcm963xx_tag.h
L: linux-pm@vger.kernel.org
S: Maintained
T: git https://github.com/broadcom/stblinux.git
-F: drivers/genpd/bcm/bcm-pmb.c
+F: drivers/pmdomain/bcm/bcm-pmb.c
F: include/dt-bindings/soc/bcm-pmb.h
BROADCOM SPECIFIC AMBA DRIVER (BCMA)
L: linux-pm@vger.kernel.org
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm.git
-F: drivers/genpd/
+F: drivers/pmdomain/
GENERIC RESISTIVE TOUCHSCREEN ADC DRIVER
M: Eugen Hristev <eugen.hristev@microchip.com>
L: linux-arm-msm@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/power/avs/qcom,cpr.yaml
-F: drivers/genpd/qcom/cpr.c
+F: drivers/pmdomain/qcom/cpr.c
QUALCOMM CPUFREQ DRIVER MSM8996/APQ8096
M: Ilia Lin <ilia.lin@kernel.org>
M: Walker Chen <walker.chen@starfivetech.com>
S: Supported
F: Documentation/devicetree/bindings/power/starfive*
-F: drivers/genpd/starfive/jh71xx-pmu.c
+F: drivers/pmdomain/starfive/jh71xx-pmu.c
F: include/dt-bindings/power/starfive,jh7110-pmu.h
STARFIVE SOC DRIVERS
F: drivers/irqchip/irq-ti-sci-intr.c
F: drivers/reset/reset-ti-sci.c
F: drivers/soc/ti/ti_sci_inta_msi.c
-F: drivers/genpd/ti/ti_sci_pm_domains.c
+F: drivers/pmdomain/ti/ti_sci_pm_domains.c
F: include/dt-bindings/soc/ti,sci_pm_domain.h
F: include/linux/soc/ti/ti_sci_inta_msi.h
F: include/linux/soc/ti/ti_sci_protocol.h
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/ti/linux.git
-F: drivers/genpd/ti/omap_prm.c
+F: drivers/pmdomain/ti/omap_prm.c
F: drivers/soc/ti/*
TI LM49xxx FAMILY ASoC CODEC DRIVERS
# SOC specific infrastructure drivers.
obj-y += soc/
-obj-$(CONFIG_PM_GENERIC_DOMAINS) += genpd/
+obj-$(CONFIG_PM_GENERIC_DOMAINS) += pmdomain/
obj-y += virtio/
obj-$(CONFIG_VDPA) += vdpa/
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0-only
-obj-y += actions/
-obj-y += amlogic/
-obj-y += apple/
-obj-y += bcm/
-obj-y += imx/
-obj-y += mediatek/
-obj-y += qcom/
-obj-y += renesas/
-obj-y += rockchip/
-obj-y += samsung/
-obj-y += st/
-obj-y += starfive/
-obj-y += sunxi/
-obj-y += tegra/
-obj-y += ti/
-obj-y += xilinx/
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0+
-obj-$(CONFIG_OWL_PM_DOMAINS_HELPER) += owl-sps-helper.o
-obj-$(CONFIG_OWL_PM_DOMAINS) += owl-sps.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Actions Semi Owl Smart Power System (SPS) shared helpers
- *
- * Copyright 2012 Actions Semi Inc.
- * Author: Actions Semi, Inc.
- *
- * Copyright (c) 2017 Andreas Färber
- */
-
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/soc/actions/owl-sps.h>
-
-#define OWL_SPS_PG_CTL 0x0
-
-int owl_sps_set_pg(void __iomem *base, u32 pwr_mask, u32 ack_mask, bool enable)
-{
- u32 val;
- bool ack;
- int timeout;
-
- val = readl(base + OWL_SPS_PG_CTL);
- ack = val & ack_mask;
- if (ack == enable)
- return 0;
-
- if (enable)
- val |= pwr_mask;
- else
- val &= ~pwr_mask;
-
- writel(val, base + OWL_SPS_PG_CTL);
-
- for (timeout = 5000; timeout > 0; timeout -= 50) {
- val = readl(base + OWL_SPS_PG_CTL);
- if ((val & ack_mask) == (enable ? ack_mask : 0))
- break;
- udelay(50);
- }
- if (timeout <= 0)
- return -ETIMEDOUT;
-
- udelay(10);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(owl_sps_set_pg);
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Actions Semi Owl Smart Power System (SPS)
- *
- * Copyright 2012 Actions Semi Inc.
- * Author: Actions Semi, Inc.
- *
- * Copyright (c) 2017 Andreas Färber
- */
-
-#include <linux/of_address.h>
-#include <linux/of_platform.h>
-#include <linux/pm_domain.h>
-#include <linux/soc/actions/owl-sps.h>
-#include <dt-bindings/power/owl-s500-powergate.h>
-#include <dt-bindings/power/owl-s700-powergate.h>
-#include <dt-bindings/power/owl-s900-powergate.h>
-
-struct owl_sps_domain_info {
- const char *name;
- int pwr_bit;
- int ack_bit;
- unsigned int genpd_flags;
-};
-
-struct owl_sps_info {
- unsigned num_domains;
- const struct owl_sps_domain_info *domains;
-};
-
-struct owl_sps {
- struct device *dev;
- const struct owl_sps_info *info;
- void __iomem *base;
- struct genpd_onecell_data genpd_data;
- struct generic_pm_domain *domains[];
-};
-
-#define to_owl_pd(gpd) container_of(gpd, struct owl_sps_domain, genpd)
-
-struct owl_sps_domain {
- struct generic_pm_domain genpd;
- const struct owl_sps_domain_info *info;
- struct owl_sps *sps;
-};
-
-static int owl_sps_set_power(struct owl_sps_domain *pd, bool enable)
-{
- u32 pwr_mask, ack_mask;
-
- ack_mask = BIT(pd->info->ack_bit);
- pwr_mask = BIT(pd->info->pwr_bit);
-
- return owl_sps_set_pg(pd->sps->base, pwr_mask, ack_mask, enable);
-}
-
-static int owl_sps_power_on(struct generic_pm_domain *domain)
-{
- struct owl_sps_domain *pd = to_owl_pd(domain);
-
- dev_dbg(pd->sps->dev, "%s power on", pd->info->name);
-
- return owl_sps_set_power(pd, true);
-}
-
-static int owl_sps_power_off(struct generic_pm_domain *domain)
-{
- struct owl_sps_domain *pd = to_owl_pd(domain);
-
- dev_dbg(pd->sps->dev, "%s power off", pd->info->name);
-
- return owl_sps_set_power(pd, false);
-}
-
-static int owl_sps_init_domain(struct owl_sps *sps, int index)
-{
- struct owl_sps_domain *pd;
-
- pd = devm_kzalloc(sps->dev, sizeof(*pd), GFP_KERNEL);
- if (!pd)
- return -ENOMEM;
-
- pd->info = &sps->info->domains[index];
- pd->sps = sps;
-
- pd->genpd.name = pd->info->name;
- pd->genpd.power_on = owl_sps_power_on;
- pd->genpd.power_off = owl_sps_power_off;
- pd->genpd.flags = pd->info->genpd_flags;
- pm_genpd_init(&pd->genpd, NULL, false);
-
- sps->genpd_data.domains[index] = &pd->genpd;
-
- return 0;
-}
-
-static int owl_sps_probe(struct platform_device *pdev)
-{
- const struct of_device_id *match;
- const struct owl_sps_info *sps_info;
- struct owl_sps *sps;
- int i, ret;
-
- if (!pdev->dev.of_node) {
- dev_err(&pdev->dev, "no device node\n");
- return -ENODEV;
- }
-
- match = of_match_device(pdev->dev.driver->of_match_table, &pdev->dev);
- if (!match || !match->data) {
- dev_err(&pdev->dev, "unknown compatible or missing data\n");
- return -EINVAL;
- }
-
- sps_info = match->data;
-
- sps = devm_kzalloc(&pdev->dev,
- struct_size(sps, domains, sps_info->num_domains),
- GFP_KERNEL);
- if (!sps)
- return -ENOMEM;
-
- sps->base = of_io_request_and_map(pdev->dev.of_node, 0, "owl-sps");
- if (IS_ERR(sps->base)) {
- dev_err(&pdev->dev, "failed to map sps registers\n");
- return PTR_ERR(sps->base);
- }
-
- sps->dev = &pdev->dev;
- sps->info = sps_info;
- sps->genpd_data.domains = sps->domains;
- sps->genpd_data.num_domains = sps_info->num_domains;
-
- for (i = 0; i < sps_info->num_domains; i++) {
- ret = owl_sps_init_domain(sps, i);
- if (ret)
- return ret;
- }
-
- ret = of_genpd_add_provider_onecell(pdev->dev.of_node, &sps->genpd_data);
- if (ret) {
- dev_err(&pdev->dev, "failed to add provider (%d)", ret);
- return ret;
- }
-
- return 0;
-}
-
-static const struct owl_sps_domain_info s500_sps_domains[] = {
- [S500_PD_VDE] = {
- .name = "VDE",
- .pwr_bit = 0,
- .ack_bit = 16,
- },
- [S500_PD_VCE_SI] = {
- .name = "VCE_SI",
- .pwr_bit = 1,
- .ack_bit = 17,
- },
- [S500_PD_USB2_1] = {
- .name = "USB2_1",
- .pwr_bit = 2,
- .ack_bit = 18,
- },
- [S500_PD_CPU2] = {
- .name = "CPU2",
- .pwr_bit = 5,
- .ack_bit = 21,
- .genpd_flags = GENPD_FLAG_ALWAYS_ON,
- },
- [S500_PD_CPU3] = {
- .name = "CPU3",
- .pwr_bit = 6,
- .ack_bit = 22,
- .genpd_flags = GENPD_FLAG_ALWAYS_ON,
- },
- [S500_PD_DMA] = {
- .name = "DMA",
- .pwr_bit = 8,
- .ack_bit = 12,
- },
- [S500_PD_DS] = {
- .name = "DS",
- .pwr_bit = 9,
- .ack_bit = 13,
- },
- [S500_PD_USB3] = {
- .name = "USB3",
- .pwr_bit = 10,
- .ack_bit = 14,
- },
- [S500_PD_USB2_0] = {
- .name = "USB2_0",
- .pwr_bit = 11,
- .ack_bit = 15,
- },
-};
-
-static const struct owl_sps_info s500_sps_info = {
- .num_domains = ARRAY_SIZE(s500_sps_domains),
- .domains = s500_sps_domains,
-};
-
-static const struct owl_sps_domain_info s700_sps_domains[] = {
- [S700_PD_VDE] = {
- .name = "VDE",
- .pwr_bit = 0,
- },
- [S700_PD_VCE_SI] = {
- .name = "VCE_SI",
- .pwr_bit = 1,
- },
- [S700_PD_USB2_1] = {
- .name = "USB2_1",
- .pwr_bit = 2,
- },
- [S700_PD_HDE] = {
- .name = "HDE",
- .pwr_bit = 7,
- },
- [S700_PD_DMA] = {
- .name = "DMA",
- .pwr_bit = 8,
- },
- [S700_PD_DS] = {
- .name = "DS",
- .pwr_bit = 9,
- },
- [S700_PD_USB3] = {
- .name = "USB3",
- .pwr_bit = 10,
- },
- [S700_PD_USB2_0] = {
- .name = "USB2_0",
- .pwr_bit = 11,
- },
-};
-
-static const struct owl_sps_info s700_sps_info = {
- .num_domains = ARRAY_SIZE(s700_sps_domains),
- .domains = s700_sps_domains,
-};
-
-static const struct owl_sps_domain_info s900_sps_domains[] = {
- [S900_PD_GPU_B] = {
- .name = "GPU_B",
- .pwr_bit = 3,
- },
- [S900_PD_VCE] = {
- .name = "VCE",
- .pwr_bit = 4,
- },
- [S900_PD_SENSOR] = {
- .name = "SENSOR",
- .pwr_bit = 5,
- },
- [S900_PD_VDE] = {
- .name = "VDE",
- .pwr_bit = 6,
- },
- [S900_PD_HDE] = {
- .name = "HDE",
- .pwr_bit = 7,
- },
- [S900_PD_USB3] = {
- .name = "USB3",
- .pwr_bit = 8,
- },
- [S900_PD_DDR0] = {
- .name = "DDR0",
- .pwr_bit = 9,
- },
- [S900_PD_DDR1] = {
- .name = "DDR1",
- .pwr_bit = 10,
- },
- [S900_PD_DE] = {
- .name = "DE",
- .pwr_bit = 13,
- },
- [S900_PD_NAND] = {
- .name = "NAND",
- .pwr_bit = 14,
- },
- [S900_PD_USB2_H0] = {
- .name = "USB2_H0",
- .pwr_bit = 15,
- },
- [S900_PD_USB2_H1] = {
- .name = "USB2_H1",
- .pwr_bit = 16,
- },
-};
-
-static const struct owl_sps_info s900_sps_info = {
- .num_domains = ARRAY_SIZE(s900_sps_domains),
- .domains = s900_sps_domains,
-};
-
-static const struct of_device_id owl_sps_of_matches[] = {
- { .compatible = "actions,s500-sps", .data = &s500_sps_info },
- { .compatible = "actions,s700-sps", .data = &s700_sps_info },
- { .compatible = "actions,s900-sps", .data = &s900_sps_info },
- { }
-};
-
-static struct platform_driver owl_sps_platform_driver = {
- .probe = owl_sps_probe,
- .driver = {
- .name = "owl-sps",
- .of_match_table = owl_sps_of_matches,
- .suppress_bind_attrs = true,
- },
-};
-
-static int __init owl_sps_init(void)
-{
- return platform_driver_register(&owl_sps_platform_driver);
-}
-postcore_initcall(owl_sps_init);
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_MESON_GX_PM_DOMAINS) += meson-gx-pwrc-vpu.o
-obj-$(CONFIG_MESON_EE_PM_DOMAINS) += meson-ee-pwrc.o
-obj-$(CONFIG_MESON_SECURE_PM_DOMAINS) += meson-secure-pwrc.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (c) 2019 BayLibre, SAS
- * Author: Neil Armstrong <narmstrong@baylibre.com>
- */
-
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/bitfield.h>
-#include <linux/regmap.h>
-#include <linux/mfd/syscon.h>
-#include <linux/of.h>
-#include <linux/reset-controller.h>
-#include <linux/reset.h>
-#include <linux/clk.h>
-#include <linux/module.h>
-#include <dt-bindings/power/meson8-power.h>
-#include <dt-bindings/power/meson-axg-power.h>
-#include <dt-bindings/power/meson-g12a-power.h>
-#include <dt-bindings/power/meson-gxbb-power.h>
-#include <dt-bindings/power/meson-sm1-power.h>
-
-/* AO Offsets */
-
-#define GX_AO_RTI_GEN_PWR_SLEEP0 (0x3a << 2)
-#define GX_AO_RTI_GEN_PWR_ISO0 (0x3b << 2)
-
-/*
- * Meson8/Meson8b/Meson8m2 only expose the power management registers of the
- * AO-bus as syscon. 0x3a from GX translates to 0x02, 0x3b translates to 0x03
- * and so on.
- */
-#define MESON8_AO_RTI_GEN_PWR_SLEEP0 (0x02 << 2)
-#define MESON8_AO_RTI_GEN_PWR_ISO0 (0x03 << 2)
-
-/* HHI Offsets */
-
-#define HHI_MEM_PD_REG0 (0x40 << 2)
-#define HHI_VPU_MEM_PD_REG0 (0x41 << 2)
-#define HHI_VPU_MEM_PD_REG1 (0x42 << 2)
-#define HHI_VPU_MEM_PD_REG3 (0x43 << 2)
-#define HHI_VPU_MEM_PD_REG4 (0x44 << 2)
-#define HHI_AUDIO_MEM_PD_REG0 (0x45 << 2)
-#define HHI_NANOQ_MEM_PD_REG0 (0x46 << 2)
-#define HHI_NANOQ_MEM_PD_REG1 (0x47 << 2)
-#define HHI_VPU_MEM_PD_REG2 (0x4d << 2)
-
-#define G12A_HHI_NANOQ_MEM_PD_REG0 (0x43 << 2)
-#define G12A_HHI_NANOQ_MEM_PD_REG1 (0x44 << 2)
-
-struct meson_ee_pwrc;
-struct meson_ee_pwrc_domain;
-
-struct meson_ee_pwrc_mem_domain {
- unsigned int reg;
- unsigned int mask;
-};
-
-struct meson_ee_pwrc_top_domain {
- unsigned int sleep_reg;
- unsigned int sleep_mask;
- unsigned int iso_reg;
- unsigned int iso_mask;
-};
-
-struct meson_ee_pwrc_domain_desc {
- char *name;
- unsigned int reset_names_count;
- unsigned int clk_names_count;
- struct meson_ee_pwrc_top_domain *top_pd;
- unsigned int mem_pd_count;
- struct meson_ee_pwrc_mem_domain *mem_pd;
- bool (*is_powered_off)(struct meson_ee_pwrc_domain *pwrc_domain);
-};
-
-struct meson_ee_pwrc_domain_data {
- unsigned int count;
- struct meson_ee_pwrc_domain_desc *domains;
-};
-
-/* TOP Power Domains */
-
-static struct meson_ee_pwrc_top_domain gx_pwrc_vpu = {
- .sleep_reg = GX_AO_RTI_GEN_PWR_SLEEP0,
- .sleep_mask = BIT(8),
- .iso_reg = GX_AO_RTI_GEN_PWR_SLEEP0,
- .iso_mask = BIT(9),
-};
-
-static struct meson_ee_pwrc_top_domain meson8_pwrc_vpu = {
- .sleep_reg = MESON8_AO_RTI_GEN_PWR_SLEEP0,
- .sleep_mask = BIT(8),
- .iso_reg = MESON8_AO_RTI_GEN_PWR_SLEEP0,
- .iso_mask = BIT(9),
-};
-
-#define SM1_EE_PD(__bit) \
- { \
- .sleep_reg = GX_AO_RTI_GEN_PWR_SLEEP0, \
- .sleep_mask = BIT(__bit), \
- .iso_reg = GX_AO_RTI_GEN_PWR_ISO0, \
- .iso_mask = BIT(__bit), \
- }
-
-static struct meson_ee_pwrc_top_domain sm1_pwrc_vpu = SM1_EE_PD(8);
-static struct meson_ee_pwrc_top_domain sm1_pwrc_nna = SM1_EE_PD(16);
-static struct meson_ee_pwrc_top_domain sm1_pwrc_usb = SM1_EE_PD(17);
-static struct meson_ee_pwrc_top_domain sm1_pwrc_pci = SM1_EE_PD(18);
-static struct meson_ee_pwrc_top_domain sm1_pwrc_ge2d = SM1_EE_PD(19);
-
-static struct meson_ee_pwrc_top_domain g12a_pwrc_nna = {
- .sleep_reg = GX_AO_RTI_GEN_PWR_SLEEP0,
- .sleep_mask = BIT(16) | BIT(17),
- .iso_reg = GX_AO_RTI_GEN_PWR_ISO0,
- .iso_mask = BIT(16) | BIT(17),
-};
-
-/* Memory PD Domains */
-
-#define VPU_MEMPD(__reg) \
- { __reg, GENMASK(1, 0) }, \
- { __reg, GENMASK(3, 2) }, \
- { __reg, GENMASK(5, 4) }, \
- { __reg, GENMASK(7, 6) }, \
- { __reg, GENMASK(9, 8) }, \
- { __reg, GENMASK(11, 10) }, \
- { __reg, GENMASK(13, 12) }, \
- { __reg, GENMASK(15, 14) }, \
- { __reg, GENMASK(17, 16) }, \
- { __reg, GENMASK(19, 18) }, \
- { __reg, GENMASK(21, 20) }, \
- { __reg, GENMASK(23, 22) }, \
- { __reg, GENMASK(25, 24) }, \
- { __reg, GENMASK(27, 26) }, \
- { __reg, GENMASK(29, 28) }, \
- { __reg, GENMASK(31, 30) }
-
-#define VPU_HHI_MEMPD(__reg) \
- { __reg, BIT(8) }, \
- { __reg, BIT(9) }, \
- { __reg, BIT(10) }, \
- { __reg, BIT(11) }, \
- { __reg, BIT(12) }, \
- { __reg, BIT(13) }, \
- { __reg, BIT(14) }, \
- { __reg, BIT(15) }
-
-static struct meson_ee_pwrc_mem_domain axg_pwrc_mem_vpu[] = {
- VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
- VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
-};
-
-static struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_vpu[] = {
- VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
- VPU_MEMPD(HHI_VPU_MEM_PD_REG1),
- VPU_MEMPD(HHI_VPU_MEM_PD_REG2),
- VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
-};
-
-static struct meson_ee_pwrc_mem_domain gxbb_pwrc_mem_vpu[] = {
- VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
- VPU_MEMPD(HHI_VPU_MEM_PD_REG1),
- VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
-};
-
-static struct meson_ee_pwrc_mem_domain meson_pwrc_mem_eth[] = {
- { HHI_MEM_PD_REG0, GENMASK(3, 2) },
-};
-
-static struct meson_ee_pwrc_mem_domain meson8_pwrc_audio_dsp_mem[] = {
- { HHI_MEM_PD_REG0, GENMASK(1, 0) },
-};
-
-static struct meson_ee_pwrc_mem_domain meson8_pwrc_mem_vpu[] = {
- VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
- VPU_MEMPD(HHI_VPU_MEM_PD_REG1),
- VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
-};
-
-static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_vpu[] = {
- VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
- VPU_MEMPD(HHI_VPU_MEM_PD_REG1),
- VPU_MEMPD(HHI_VPU_MEM_PD_REG2),
- VPU_MEMPD(HHI_VPU_MEM_PD_REG3),
- { HHI_VPU_MEM_PD_REG4, GENMASK(1, 0) },
- { HHI_VPU_MEM_PD_REG4, GENMASK(3, 2) },
- { HHI_VPU_MEM_PD_REG4, GENMASK(5, 4) },
- { HHI_VPU_MEM_PD_REG4, GENMASK(7, 6) },
- VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
-};
-
-static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_nna[] = {
- { HHI_NANOQ_MEM_PD_REG0, 0xff },
- { HHI_NANOQ_MEM_PD_REG1, 0xff },
-};
-
-static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_usb[] = {
- { HHI_MEM_PD_REG0, GENMASK(31, 30) },
-};
-
-static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_pcie[] = {
- { HHI_MEM_PD_REG0, GENMASK(29, 26) },
-};
-
-static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_ge2d[] = {
- { HHI_MEM_PD_REG0, GENMASK(25, 18) },
-};
-
-static struct meson_ee_pwrc_mem_domain axg_pwrc_mem_audio[] = {
- { HHI_MEM_PD_REG0, GENMASK(5, 4) },
-};
-
-static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_audio[] = {
- { HHI_MEM_PD_REG0, GENMASK(5, 4) },
- { HHI_AUDIO_MEM_PD_REG0, GENMASK(1, 0) },
- { HHI_AUDIO_MEM_PD_REG0, GENMASK(3, 2) },
- { HHI_AUDIO_MEM_PD_REG0, GENMASK(5, 4) },
- { HHI_AUDIO_MEM_PD_REG0, GENMASK(7, 6) },
- { HHI_AUDIO_MEM_PD_REG0, GENMASK(13, 12) },
- { HHI_AUDIO_MEM_PD_REG0, GENMASK(15, 14) },
- { HHI_AUDIO_MEM_PD_REG0, GENMASK(17, 16) },
- { HHI_AUDIO_MEM_PD_REG0, GENMASK(19, 18) },
- { HHI_AUDIO_MEM_PD_REG0, GENMASK(21, 20) },
- { HHI_AUDIO_MEM_PD_REG0, GENMASK(23, 22) },
- { HHI_AUDIO_MEM_PD_REG0, GENMASK(25, 24) },
- { HHI_AUDIO_MEM_PD_REG0, GENMASK(27, 26) },
-};
-
-static struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_nna[] = {
- { G12A_HHI_NANOQ_MEM_PD_REG0, GENMASK(31, 0) },
- { G12A_HHI_NANOQ_MEM_PD_REG1, GENMASK(23, 0) },
-};
-
-#define VPU_PD(__name, __top_pd, __mem, __is_pwr_off, __resets, __clks) \
- { \
- .name = __name, \
- .reset_names_count = __resets, \
- .clk_names_count = __clks, \
- .top_pd = __top_pd, \
- .mem_pd_count = ARRAY_SIZE(__mem), \
- .mem_pd = __mem, \
- .is_powered_off = __is_pwr_off, \
- }
-
-#define TOP_PD(__name, __top_pd, __mem, __is_pwr_off) \
- { \
- .name = __name, \
- .top_pd = __top_pd, \
- .mem_pd_count = ARRAY_SIZE(__mem), \
- .mem_pd = __mem, \
- .is_powered_off = __is_pwr_off, \
- }
-
-#define MEM_PD(__name, __mem) \
- TOP_PD(__name, NULL, __mem, NULL)
-
-static bool pwrc_ee_is_powered_off(struct meson_ee_pwrc_domain *pwrc_domain);
-
-static struct meson_ee_pwrc_domain_desc axg_pwrc_domains[] = {
- [PWRC_AXG_VPU_ID] = VPU_PD("VPU", &gx_pwrc_vpu, axg_pwrc_mem_vpu,
- pwrc_ee_is_powered_off, 5, 2),
- [PWRC_AXG_ETHERNET_MEM_ID] = MEM_PD("ETH", meson_pwrc_mem_eth),
- [PWRC_AXG_AUDIO_ID] = MEM_PD("AUDIO", axg_pwrc_mem_audio),
-};
-
-static struct meson_ee_pwrc_domain_desc g12a_pwrc_domains[] = {
- [PWRC_G12A_VPU_ID] = VPU_PD("VPU", &gx_pwrc_vpu, g12a_pwrc_mem_vpu,
- pwrc_ee_is_powered_off, 11, 2),
- [PWRC_G12A_ETH_ID] = MEM_PD("ETH", meson_pwrc_mem_eth),
- [PWRC_G12A_NNA_ID] = TOP_PD("NNA", &g12a_pwrc_nna, g12a_pwrc_mem_nna,
- pwrc_ee_is_powered_off),
-};
-
-static struct meson_ee_pwrc_domain_desc gxbb_pwrc_domains[] = {
- [PWRC_GXBB_VPU_ID] = VPU_PD("VPU", &gx_pwrc_vpu, gxbb_pwrc_mem_vpu,
- pwrc_ee_is_powered_off, 12, 2),
- [PWRC_GXBB_ETHERNET_MEM_ID] = MEM_PD("ETH", meson_pwrc_mem_eth),
-};
-
-static struct meson_ee_pwrc_domain_desc meson8_pwrc_domains[] = {
- [PWRC_MESON8_VPU_ID] = VPU_PD("VPU", &meson8_pwrc_vpu,
- meson8_pwrc_mem_vpu,
- pwrc_ee_is_powered_off, 0, 1),
- [PWRC_MESON8_ETHERNET_MEM_ID] = MEM_PD("ETHERNET_MEM",
- meson_pwrc_mem_eth),
- [PWRC_MESON8_AUDIO_DSP_MEM_ID] = MEM_PD("AUDIO_DSP_MEM",
- meson8_pwrc_audio_dsp_mem),
-};
-
-static struct meson_ee_pwrc_domain_desc meson8b_pwrc_domains[] = {
- [PWRC_MESON8_VPU_ID] = VPU_PD("VPU", &meson8_pwrc_vpu,
- meson8_pwrc_mem_vpu,
- pwrc_ee_is_powered_off, 11, 1),
- [PWRC_MESON8_ETHERNET_MEM_ID] = MEM_PD("ETHERNET_MEM",
- meson_pwrc_mem_eth),
- [PWRC_MESON8_AUDIO_DSP_MEM_ID] = MEM_PD("AUDIO_DSP_MEM",
- meson8_pwrc_audio_dsp_mem),
-};
-
-static struct meson_ee_pwrc_domain_desc sm1_pwrc_domains[] = {
- [PWRC_SM1_VPU_ID] = VPU_PD("VPU", &sm1_pwrc_vpu, sm1_pwrc_mem_vpu,
- pwrc_ee_is_powered_off, 11, 2),
- [PWRC_SM1_NNA_ID] = TOP_PD("NNA", &sm1_pwrc_nna, sm1_pwrc_mem_nna,
- pwrc_ee_is_powered_off),
- [PWRC_SM1_USB_ID] = TOP_PD("USB", &sm1_pwrc_usb, sm1_pwrc_mem_usb,
- pwrc_ee_is_powered_off),
- [PWRC_SM1_PCIE_ID] = TOP_PD("PCI", &sm1_pwrc_pci, sm1_pwrc_mem_pcie,
- pwrc_ee_is_powered_off),
- [PWRC_SM1_GE2D_ID] = TOP_PD("GE2D", &sm1_pwrc_ge2d, sm1_pwrc_mem_ge2d,
- pwrc_ee_is_powered_off),
- [PWRC_SM1_AUDIO_ID] = MEM_PD("AUDIO", sm1_pwrc_mem_audio),
- [PWRC_SM1_ETH_ID] = MEM_PD("ETH", meson_pwrc_mem_eth),
-};
-
-struct meson_ee_pwrc_domain {
- struct generic_pm_domain base;
- bool enabled;
- struct meson_ee_pwrc *pwrc;
- struct meson_ee_pwrc_domain_desc desc;
- struct clk_bulk_data *clks;
- int num_clks;
- struct reset_control *rstc;
- int num_rstc;
-};
-
-struct meson_ee_pwrc {
- struct regmap *regmap_ao;
- struct regmap *regmap_hhi;
- struct meson_ee_pwrc_domain *domains;
- struct genpd_onecell_data xlate;
-};
-
-static bool pwrc_ee_is_powered_off(struct meson_ee_pwrc_domain *pwrc_domain)
-{
- u32 reg;
-
- regmap_read(pwrc_domain->pwrc->regmap_ao,
- pwrc_domain->desc.top_pd->sleep_reg, ®);
-
- return (reg & pwrc_domain->desc.top_pd->sleep_mask);
-}
-
-static int meson_ee_pwrc_off(struct generic_pm_domain *domain)
-{
- struct meson_ee_pwrc_domain *pwrc_domain =
- container_of(domain, struct meson_ee_pwrc_domain, base);
- int i;
-
- if (pwrc_domain->desc.top_pd)
- regmap_update_bits(pwrc_domain->pwrc->regmap_ao,
- pwrc_domain->desc.top_pd->sleep_reg,
- pwrc_domain->desc.top_pd->sleep_mask,
- pwrc_domain->desc.top_pd->sleep_mask);
- udelay(20);
-
- for (i = 0 ; i < pwrc_domain->desc.mem_pd_count ; ++i)
- regmap_update_bits(pwrc_domain->pwrc->regmap_hhi,
- pwrc_domain->desc.mem_pd[i].reg,
- pwrc_domain->desc.mem_pd[i].mask,
- pwrc_domain->desc.mem_pd[i].mask);
-
- udelay(20);
-
- if (pwrc_domain->desc.top_pd)
- regmap_update_bits(pwrc_domain->pwrc->regmap_ao,
- pwrc_domain->desc.top_pd->iso_reg,
- pwrc_domain->desc.top_pd->iso_mask,
- pwrc_domain->desc.top_pd->iso_mask);
-
- if (pwrc_domain->num_clks) {
- msleep(20);
- clk_bulk_disable_unprepare(pwrc_domain->num_clks,
- pwrc_domain->clks);
- }
-
- return 0;
-}
-
-static int meson_ee_pwrc_on(struct generic_pm_domain *domain)
-{
- struct meson_ee_pwrc_domain *pwrc_domain =
- container_of(domain, struct meson_ee_pwrc_domain, base);
- int i, ret;
-
- if (pwrc_domain->desc.top_pd)
- regmap_update_bits(pwrc_domain->pwrc->regmap_ao,
- pwrc_domain->desc.top_pd->sleep_reg,
- pwrc_domain->desc.top_pd->sleep_mask, 0);
- udelay(20);
-
- for (i = 0 ; i < pwrc_domain->desc.mem_pd_count ; ++i)
- regmap_update_bits(pwrc_domain->pwrc->regmap_hhi,
- pwrc_domain->desc.mem_pd[i].reg,
- pwrc_domain->desc.mem_pd[i].mask, 0);
-
- udelay(20);
-
- ret = reset_control_assert(pwrc_domain->rstc);
- if (ret)
- return ret;
-
- if (pwrc_domain->desc.top_pd)
- regmap_update_bits(pwrc_domain->pwrc->regmap_ao,
- pwrc_domain->desc.top_pd->iso_reg,
- pwrc_domain->desc.top_pd->iso_mask, 0);
-
- ret = reset_control_deassert(pwrc_domain->rstc);
- if (ret)
- return ret;
-
- return clk_bulk_prepare_enable(pwrc_domain->num_clks,
- pwrc_domain->clks);
-}
-
-static int meson_ee_pwrc_init_domain(struct platform_device *pdev,
- struct meson_ee_pwrc *pwrc,
- struct meson_ee_pwrc_domain *dom)
-{
- int ret;
-
- dom->pwrc = pwrc;
- dom->num_rstc = dom->desc.reset_names_count;
- dom->num_clks = dom->desc.clk_names_count;
-
- if (dom->num_rstc) {
- int count = reset_control_get_count(&pdev->dev);
-
- if (count != dom->num_rstc)
- dev_warn(&pdev->dev, "Invalid resets count %d for domain %s\n",
- count, dom->desc.name);
-
- dom->rstc = devm_reset_control_array_get_exclusive(&pdev->dev);
- if (IS_ERR(dom->rstc))
- return PTR_ERR(dom->rstc);
- }
-
- if (dom->num_clks) {
- int ret = devm_clk_bulk_get_all(&pdev->dev, &dom->clks);
- if (ret < 0)
- return ret;
-
- if (dom->num_clks != ret) {
- dev_warn(&pdev->dev, "Invalid clocks count %d for domain %s\n",
- ret, dom->desc.name);
- dom->num_clks = ret;
- }
- }
-
- dom->base.name = dom->desc.name;
- dom->base.power_on = meson_ee_pwrc_on;
- dom->base.power_off = meson_ee_pwrc_off;
-
- /*
- * TOFIX: This is a special case for the VPU power domain, which can
- * be enabled previously by the bootloader. In this case the VPU
- * pipeline may be functional but no driver maybe never attach
- * to this power domain, and if the domain is disabled it could
- * cause system errors. This is why the pm_domain_always_on_gov
- * is used here.
- * For the same reason, the clocks should be enabled in case
- * we need to power the domain off, otherwise the internal clocks
- * prepare/enable counters won't be in sync.
- */
- if (dom->num_clks && dom->desc.is_powered_off && !dom->desc.is_powered_off(dom)) {
- ret = clk_bulk_prepare_enable(dom->num_clks, dom->clks);
- if (ret)
- return ret;
-
- dom->base.flags = GENPD_FLAG_ALWAYS_ON;
- ret = pm_genpd_init(&dom->base, NULL, false);
- if (ret)
- return ret;
- } else {
- ret = pm_genpd_init(&dom->base, NULL,
- (dom->desc.is_powered_off ?
- dom->desc.is_powered_off(dom) : true));
- if (ret)
- return ret;
- }
-
- return 0;
-}
-
-static int meson_ee_pwrc_probe(struct platform_device *pdev)
-{
- const struct meson_ee_pwrc_domain_data *match;
- struct regmap *regmap_ao, *regmap_hhi;
- struct device_node *parent_np;
- struct meson_ee_pwrc *pwrc;
- int i, ret;
-
- match = of_device_get_match_data(&pdev->dev);
- if (!match) {
- dev_err(&pdev->dev, "failed to get match data\n");
- return -ENODEV;
- }
-
- pwrc = devm_kzalloc(&pdev->dev, sizeof(*pwrc), GFP_KERNEL);
- if (!pwrc)
- return -ENOMEM;
-
- pwrc->xlate.domains = devm_kcalloc(&pdev->dev, match->count,
- sizeof(*pwrc->xlate.domains),
- GFP_KERNEL);
- if (!pwrc->xlate.domains)
- return -ENOMEM;
-
- pwrc->domains = devm_kcalloc(&pdev->dev, match->count,
- sizeof(*pwrc->domains), GFP_KERNEL);
- if (!pwrc->domains)
- return -ENOMEM;
-
- pwrc->xlate.num_domains = match->count;
-
- parent_np = of_get_parent(pdev->dev.of_node);
- regmap_hhi = syscon_node_to_regmap(parent_np);
- of_node_put(parent_np);
- if (IS_ERR(regmap_hhi)) {
- dev_err(&pdev->dev, "failed to get HHI regmap\n");
- return PTR_ERR(regmap_hhi);
- }
-
- regmap_ao = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
- "amlogic,ao-sysctrl");
- if (IS_ERR(regmap_ao)) {
- dev_err(&pdev->dev, "failed to get AO regmap\n");
- return PTR_ERR(regmap_ao);
- }
-
- pwrc->regmap_ao = regmap_ao;
- pwrc->regmap_hhi = regmap_hhi;
-
- platform_set_drvdata(pdev, pwrc);
-
- for (i = 0 ; i < match->count ; ++i) {
- struct meson_ee_pwrc_domain *dom = &pwrc->domains[i];
-
- memcpy(&dom->desc, &match->domains[i], sizeof(dom->desc));
-
- ret = meson_ee_pwrc_init_domain(pdev, pwrc, dom);
- if (ret)
- return ret;
-
- pwrc->xlate.domains[i] = &dom->base;
- }
-
- return of_genpd_add_provider_onecell(pdev->dev.of_node, &pwrc->xlate);
-}
-
-static void meson_ee_pwrc_shutdown(struct platform_device *pdev)
-{
- struct meson_ee_pwrc *pwrc = platform_get_drvdata(pdev);
- int i;
-
- for (i = 0 ; i < pwrc->xlate.num_domains ; ++i) {
- struct meson_ee_pwrc_domain *dom = &pwrc->domains[i];
-
- if (dom->desc.is_powered_off && !dom->desc.is_powered_off(dom))
- meson_ee_pwrc_off(&dom->base);
- }
-}
-
-static struct meson_ee_pwrc_domain_data meson_ee_g12a_pwrc_data = {
- .count = ARRAY_SIZE(g12a_pwrc_domains),
- .domains = g12a_pwrc_domains,
-};
-
-static struct meson_ee_pwrc_domain_data meson_ee_axg_pwrc_data = {
- .count = ARRAY_SIZE(axg_pwrc_domains),
- .domains = axg_pwrc_domains,
-};
-
-static struct meson_ee_pwrc_domain_data meson_ee_gxbb_pwrc_data = {
- .count = ARRAY_SIZE(gxbb_pwrc_domains),
- .domains = gxbb_pwrc_domains,
-};
-
-static struct meson_ee_pwrc_domain_data meson_ee_m8_pwrc_data = {
- .count = ARRAY_SIZE(meson8_pwrc_domains),
- .domains = meson8_pwrc_domains,
-};
-
-static struct meson_ee_pwrc_domain_data meson_ee_m8b_pwrc_data = {
- .count = ARRAY_SIZE(meson8b_pwrc_domains),
- .domains = meson8b_pwrc_domains,
-};
-
-static struct meson_ee_pwrc_domain_data meson_ee_sm1_pwrc_data = {
- .count = ARRAY_SIZE(sm1_pwrc_domains),
- .domains = sm1_pwrc_domains,
-};
-
-static const struct of_device_id meson_ee_pwrc_match_table[] = {
- {
- .compatible = "amlogic,meson8-pwrc",
- .data = &meson_ee_m8_pwrc_data,
- },
- {
- .compatible = "amlogic,meson8b-pwrc",
- .data = &meson_ee_m8b_pwrc_data,
- },
- {
- .compatible = "amlogic,meson8m2-pwrc",
- .data = &meson_ee_m8b_pwrc_data,
- },
- {
- .compatible = "amlogic,meson-axg-pwrc",
- .data = &meson_ee_axg_pwrc_data,
- },
- {
- .compatible = "amlogic,meson-gxbb-pwrc",
- .data = &meson_ee_gxbb_pwrc_data,
- },
- {
- .compatible = "amlogic,meson-g12a-pwrc",
- .data = &meson_ee_g12a_pwrc_data,
- },
- {
- .compatible = "amlogic,meson-sm1-pwrc",
- .data = &meson_ee_sm1_pwrc_data,
- },
- { /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, meson_ee_pwrc_match_table);
-
-static struct platform_driver meson_ee_pwrc_driver = {
- .probe = meson_ee_pwrc_probe,
- .shutdown = meson_ee_pwrc_shutdown,
- .driver = {
- .name = "meson_ee_pwrc",
- .of_match_table = meson_ee_pwrc_match_table,
- },
-};
-module_platform_driver(meson_ee_pwrc_driver);
-MODULE_LICENSE("GPL v2");
+++ /dev/null
-/*
- * Copyright (c) 2017 BayLibre, SAS
- * Author: Neil Armstrong <narmstrong@baylibre.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/bitfield.h>
-#include <linux/regmap.h>
-#include <linux/mfd/syscon.h>
-#include <linux/of.h>
-#include <linux/reset.h>
-#include <linux/clk.h>
-#include <linux/module.h>
-
-/* AO Offsets */
-
-#define AO_RTI_GEN_PWR_SLEEP0 (0x3a << 2)
-
-#define GEN_PWR_VPU_HDMI BIT(8)
-#define GEN_PWR_VPU_HDMI_ISO BIT(9)
-
-/* HHI Offsets */
-
-#define HHI_MEM_PD_REG0 (0x40 << 2)
-#define HHI_VPU_MEM_PD_REG0 (0x41 << 2)
-#define HHI_VPU_MEM_PD_REG1 (0x42 << 2)
-#define HHI_VPU_MEM_PD_REG2 (0x4d << 2)
-
-struct meson_gx_pwrc_vpu {
- struct generic_pm_domain genpd;
- struct regmap *regmap_ao;
- struct regmap *regmap_hhi;
- struct reset_control *rstc;
- struct clk *vpu_clk;
- struct clk *vapb_clk;
-};
-
-static inline
-struct meson_gx_pwrc_vpu *genpd_to_pd(struct generic_pm_domain *d)
-{
- return container_of(d, struct meson_gx_pwrc_vpu, genpd);
-}
-
-static int meson_gx_pwrc_vpu_power_off(struct generic_pm_domain *genpd)
-{
- struct meson_gx_pwrc_vpu *pd = genpd_to_pd(genpd);
- int i;
-
- regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
- GEN_PWR_VPU_HDMI_ISO, GEN_PWR_VPU_HDMI_ISO);
- udelay(20);
-
- /* Power Down Memories */
- for (i = 0; i < 32; i += 2) {
- regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG0,
- 0x3 << i, 0x3 << i);
- udelay(5);
- }
- for (i = 0; i < 32; i += 2) {
- regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG1,
- 0x3 << i, 0x3 << i);
- udelay(5);
- }
- for (i = 8; i < 16; i++) {
- regmap_update_bits(pd->regmap_hhi, HHI_MEM_PD_REG0,
- BIT(i), BIT(i));
- udelay(5);
- }
- udelay(20);
-
- regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
- GEN_PWR_VPU_HDMI, GEN_PWR_VPU_HDMI);
-
- msleep(20);
-
- clk_disable_unprepare(pd->vpu_clk);
- clk_disable_unprepare(pd->vapb_clk);
-
- return 0;
-}
-
-static int meson_g12a_pwrc_vpu_power_off(struct generic_pm_domain *genpd)
-{
- struct meson_gx_pwrc_vpu *pd = genpd_to_pd(genpd);
- int i;
-
- regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
- GEN_PWR_VPU_HDMI_ISO, GEN_PWR_VPU_HDMI_ISO);
- udelay(20);
-
- /* Power Down Memories */
- for (i = 0; i < 32; i += 2) {
- regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG0,
- 0x3 << i, 0x3 << i);
- udelay(5);
- }
- for (i = 0; i < 32; i += 2) {
- regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG1,
- 0x3 << i, 0x3 << i);
- udelay(5);
- }
- for (i = 0; i < 32; i += 2) {
- regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG2,
- 0x3 << i, 0x3 << i);
- udelay(5);
- }
- for (i = 8; i < 16; i++) {
- regmap_update_bits(pd->regmap_hhi, HHI_MEM_PD_REG0,
- BIT(i), BIT(i));
- udelay(5);
- }
- udelay(20);
-
- regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
- GEN_PWR_VPU_HDMI, GEN_PWR_VPU_HDMI);
-
- msleep(20);
-
- clk_disable_unprepare(pd->vpu_clk);
- clk_disable_unprepare(pd->vapb_clk);
-
- return 0;
-}
-
-static int meson_gx_pwrc_vpu_setup_clk(struct meson_gx_pwrc_vpu *pd)
-{
- int ret;
-
- ret = clk_prepare_enable(pd->vpu_clk);
- if (ret)
- return ret;
-
- ret = clk_prepare_enable(pd->vapb_clk);
- if (ret)
- clk_disable_unprepare(pd->vpu_clk);
-
- return ret;
-}
-
-static int meson_gx_pwrc_vpu_power_on(struct generic_pm_domain *genpd)
-{
- struct meson_gx_pwrc_vpu *pd = genpd_to_pd(genpd);
- int ret;
- int i;
-
- regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
- GEN_PWR_VPU_HDMI, 0);
- udelay(20);
-
- /* Power Up Memories */
- for (i = 0; i < 32; i += 2) {
- regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG0,
- 0x3 << i, 0);
- udelay(5);
- }
-
- for (i = 0; i < 32; i += 2) {
- regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG1,
- 0x3 << i, 0);
- udelay(5);
- }
-
- for (i = 8; i < 16; i++) {
- regmap_update_bits(pd->regmap_hhi, HHI_MEM_PD_REG0,
- BIT(i), 0);
- udelay(5);
- }
- udelay(20);
-
- ret = reset_control_assert(pd->rstc);
- if (ret)
- return ret;
-
- regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
- GEN_PWR_VPU_HDMI_ISO, 0);
-
- ret = reset_control_deassert(pd->rstc);
- if (ret)
- return ret;
-
- ret = meson_gx_pwrc_vpu_setup_clk(pd);
- if (ret)
- return ret;
-
- return 0;
-}
-
-static int meson_g12a_pwrc_vpu_power_on(struct generic_pm_domain *genpd)
-{
- struct meson_gx_pwrc_vpu *pd = genpd_to_pd(genpd);
- int ret;
- int i;
-
- regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
- GEN_PWR_VPU_HDMI, 0);
- udelay(20);
-
- /* Power Up Memories */
- for (i = 0; i < 32; i += 2) {
- regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG0,
- 0x3 << i, 0);
- udelay(5);
- }
-
- for (i = 0; i < 32; i += 2) {
- regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG1,
- 0x3 << i, 0);
- udelay(5);
- }
-
- for (i = 0; i < 32; i += 2) {
- regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG2,
- 0x3 << i, 0);
- udelay(5);
- }
-
- for (i = 8; i < 16; i++) {
- regmap_update_bits(pd->regmap_hhi, HHI_MEM_PD_REG0,
- BIT(i), 0);
- udelay(5);
- }
- udelay(20);
-
- ret = reset_control_assert(pd->rstc);
- if (ret)
- return ret;
-
- regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
- GEN_PWR_VPU_HDMI_ISO, 0);
-
- ret = reset_control_deassert(pd->rstc);
- if (ret)
- return ret;
-
- ret = meson_gx_pwrc_vpu_setup_clk(pd);
- if (ret)
- return ret;
-
- return 0;
-}
-
-static bool meson_gx_pwrc_vpu_get_power(struct meson_gx_pwrc_vpu *pd)
-{
- u32 reg;
-
- regmap_read(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0, ®);
-
- return (reg & GEN_PWR_VPU_HDMI);
-}
-
-static struct meson_gx_pwrc_vpu vpu_hdmi_pd = {
- .genpd = {
- .name = "vpu_hdmi",
- .power_off = meson_gx_pwrc_vpu_power_off,
- .power_on = meson_gx_pwrc_vpu_power_on,
- },
-};
-
-static struct meson_gx_pwrc_vpu vpu_hdmi_pd_g12a = {
- .genpd = {
- .name = "vpu_hdmi",
- .power_off = meson_g12a_pwrc_vpu_power_off,
- .power_on = meson_g12a_pwrc_vpu_power_on,
- },
-};
-
-static int meson_gx_pwrc_vpu_probe(struct platform_device *pdev)
-{
- const struct meson_gx_pwrc_vpu *vpu_pd_match;
- struct regmap *regmap_ao, *regmap_hhi;
- struct meson_gx_pwrc_vpu *vpu_pd;
- struct device_node *parent_np;
- struct reset_control *rstc;
- struct clk *vpu_clk;
- struct clk *vapb_clk;
- bool powered_off;
- int ret;
-
- vpu_pd_match = of_device_get_match_data(&pdev->dev);
- if (!vpu_pd_match) {
- dev_err(&pdev->dev, "failed to get match data\n");
- return -ENODEV;
- }
-
- vpu_pd = devm_kzalloc(&pdev->dev, sizeof(*vpu_pd), GFP_KERNEL);
- if (!vpu_pd)
- return -ENOMEM;
-
- memcpy(vpu_pd, vpu_pd_match, sizeof(*vpu_pd));
-
- parent_np = of_get_parent(pdev->dev.of_node);
- regmap_ao = syscon_node_to_regmap(parent_np);
- of_node_put(parent_np);
- if (IS_ERR(regmap_ao)) {
- dev_err(&pdev->dev, "failed to get regmap\n");
- return PTR_ERR(regmap_ao);
- }
-
- regmap_hhi = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
- "amlogic,hhi-sysctrl");
- if (IS_ERR(regmap_hhi)) {
- dev_err(&pdev->dev, "failed to get HHI regmap\n");
- return PTR_ERR(regmap_hhi);
- }
-
- rstc = devm_reset_control_array_get_exclusive(&pdev->dev);
- if (IS_ERR(rstc))
- return dev_err_probe(&pdev->dev, PTR_ERR(rstc),
- "failed to get reset lines\n");
-
- vpu_clk = devm_clk_get(&pdev->dev, "vpu");
- if (IS_ERR(vpu_clk)) {
- dev_err(&pdev->dev, "vpu clock request failed\n");
- return PTR_ERR(vpu_clk);
- }
-
- vapb_clk = devm_clk_get(&pdev->dev, "vapb");
- if (IS_ERR(vapb_clk)) {
- dev_err(&pdev->dev, "vapb clock request failed\n");
- return PTR_ERR(vapb_clk);
- }
-
- vpu_pd->regmap_ao = regmap_ao;
- vpu_pd->regmap_hhi = regmap_hhi;
- vpu_pd->rstc = rstc;
- vpu_pd->vpu_clk = vpu_clk;
- vpu_pd->vapb_clk = vapb_clk;
-
- platform_set_drvdata(pdev, vpu_pd);
-
- powered_off = meson_gx_pwrc_vpu_get_power(vpu_pd);
-
- /* If already powered, sync the clock states */
- if (!powered_off) {
- ret = meson_gx_pwrc_vpu_setup_clk(vpu_pd);
- if (ret)
- return ret;
- }
-
- vpu_pd->genpd.flags = GENPD_FLAG_ALWAYS_ON;
- pm_genpd_init(&vpu_pd->genpd, NULL, powered_off);
-
- return of_genpd_add_provider_simple(pdev->dev.of_node,
- &vpu_pd->genpd);
-}
-
-static void meson_gx_pwrc_vpu_shutdown(struct platform_device *pdev)
-{
- struct meson_gx_pwrc_vpu *vpu_pd = platform_get_drvdata(pdev);
- bool powered_off;
-
- powered_off = meson_gx_pwrc_vpu_get_power(vpu_pd);
- if (!powered_off)
- vpu_pd->genpd.power_off(&vpu_pd->genpd);
-}
-
-static const struct of_device_id meson_gx_pwrc_vpu_match_table[] = {
- { .compatible = "amlogic,meson-gx-pwrc-vpu", .data = &vpu_hdmi_pd },
- {
- .compatible = "amlogic,meson-g12a-pwrc-vpu",
- .data = &vpu_hdmi_pd_g12a
- },
- { /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, meson_gx_pwrc_vpu_match_table);
-
-static struct platform_driver meson_gx_pwrc_vpu_driver = {
- .probe = meson_gx_pwrc_vpu_probe,
- .shutdown = meson_gx_pwrc_vpu_shutdown,
- .driver = {
- .name = "meson_gx_pwrc_vpu",
- .of_match_table = meson_gx_pwrc_vpu_match_table,
- },
-};
-module_platform_driver(meson_gx_pwrc_vpu_driver);
-MODULE_LICENSE("GPL v2");
+++ /dev/null
-// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
-/*
- * Copyright (c) 2019 Amlogic, Inc.
- * Author: Jianxin Pan <jianxin.pan@amlogic.com>
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/io.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <dt-bindings/power/meson-a1-power.h>
-#include <dt-bindings/power/amlogic,c3-pwrc.h>
-#include <dt-bindings/power/meson-s4-power.h>
-#include <linux/arm-smccc.h>
-#include <linux/firmware/meson/meson_sm.h>
-#include <linux/module.h>
-
-#define PWRC_ON 1
-#define PWRC_OFF 0
-
-struct meson_secure_pwrc_domain {
- struct generic_pm_domain base;
- unsigned int index;
- struct meson_secure_pwrc *pwrc;
-};
-
-struct meson_secure_pwrc {
- struct meson_secure_pwrc_domain *domains;
- struct genpd_onecell_data xlate;
- struct meson_sm_firmware *fw;
-};
-
-struct meson_secure_pwrc_domain_desc {
- unsigned int index;
- unsigned int flags;
- char *name;
- bool (*is_off)(struct meson_secure_pwrc_domain *pwrc_domain);
-};
-
-struct meson_secure_pwrc_domain_data {
- unsigned int count;
- struct meson_secure_pwrc_domain_desc *domains;
-};
-
-static bool pwrc_secure_is_off(struct meson_secure_pwrc_domain *pwrc_domain)
-{
- int is_off = 1;
-
- if (meson_sm_call(pwrc_domain->pwrc->fw, SM_A1_PWRC_GET, &is_off,
- pwrc_domain->index, 0, 0, 0, 0) < 0)
- pr_err("failed to get power domain status\n");
-
- return is_off;
-}
-
-static int meson_secure_pwrc_off(struct generic_pm_domain *domain)
-{
- int ret = 0;
- struct meson_secure_pwrc_domain *pwrc_domain =
- container_of(domain, struct meson_secure_pwrc_domain, base);
-
- if (meson_sm_call(pwrc_domain->pwrc->fw, SM_A1_PWRC_SET, NULL,
- pwrc_domain->index, PWRC_OFF, 0, 0, 0) < 0) {
- pr_err("failed to set power domain off\n");
- ret = -EINVAL;
- }
-
- return ret;
-}
-
-static int meson_secure_pwrc_on(struct generic_pm_domain *domain)
-{
- int ret = 0;
- struct meson_secure_pwrc_domain *pwrc_domain =
- container_of(domain, struct meson_secure_pwrc_domain, base);
-
- if (meson_sm_call(pwrc_domain->pwrc->fw, SM_A1_PWRC_SET, NULL,
- pwrc_domain->index, PWRC_ON, 0, 0, 0) < 0) {
- pr_err("failed to set power domain on\n");
- ret = -EINVAL;
- }
-
- return ret;
-}
-
-#define SEC_PD(__name, __flag) \
-[PWRC_##__name##_ID] = \
-{ \
- .name = #__name, \
- .index = PWRC_##__name##_ID, \
- .is_off = pwrc_secure_is_off, \
- .flags = __flag, \
-}
-
-static struct meson_secure_pwrc_domain_desc a1_pwrc_domains[] = {
- SEC_PD(DSPA, 0),
- SEC_PD(DSPB, 0),
- /* UART should keep working in ATF after suspend and before resume */
- SEC_PD(UART, GENPD_FLAG_ALWAYS_ON),
- /* DMC is for DDR PHY ana/dig and DMC, and should be always on */
- SEC_PD(DMC, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(I2C, 0),
- SEC_PD(PSRAM, 0),
- SEC_PD(ACODEC, 0),
- SEC_PD(AUDIO, 0),
- SEC_PD(OTP, 0),
- SEC_PD(DMA, GENPD_FLAG_ALWAYS_ON | GENPD_FLAG_IRQ_SAFE),
- SEC_PD(SD_EMMC, 0),
- SEC_PD(RAMA, 0),
- /* SRAMB is used as ATF runtime memory, and should be always on */
- SEC_PD(RAMB, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(IR, 0),
- SEC_PD(SPICC, 0),
- SEC_PD(SPIFC, 0),
- SEC_PD(USB, 0),
- /* NIC is for the Arm NIC-400 interconnect, and should be always on */
- SEC_PD(NIC, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(PDMIN, 0),
- SEC_PD(RSA, 0),
-};
-
-static struct meson_secure_pwrc_domain_desc c3_pwrc_domains[] = {
- SEC_PD(C3_NNA, 0),
- SEC_PD(C3_AUDIO, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_SDIOA, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_EMMC, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_USB_COMB, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_SDCARD, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_ETH, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_GE2D, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_CVE, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_GDC_WRAP, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_ISP_TOP, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_MIPI_ISP_WRAP, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_VCODEC, 0),
-};
-
-static struct meson_secure_pwrc_domain_desc s4_pwrc_domains[] = {
- SEC_PD(S4_DOS_HEVC, 0),
- SEC_PD(S4_DOS_VDEC, 0),
- SEC_PD(S4_VPU_HDMI, 0),
- SEC_PD(S4_USB_COMB, 0),
- SEC_PD(S4_GE2D, 0),
- /* ETH is for ethernet online wakeup, and should be always on */
- SEC_PD(S4_ETH, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(S4_DEMOD, 0),
- SEC_PD(S4_AUDIO, 0),
-};
-
-static int meson_secure_pwrc_probe(struct platform_device *pdev)
-{
- int i;
- struct device_node *sm_np;
- struct meson_secure_pwrc *pwrc;
- const struct meson_secure_pwrc_domain_data *match;
-
- match = of_device_get_match_data(&pdev->dev);
- if (!match) {
- dev_err(&pdev->dev, "failed to get match data\n");
- return -ENODEV;
- }
-
- sm_np = of_find_compatible_node(NULL, NULL, "amlogic,meson-gxbb-sm");
- if (!sm_np) {
- dev_err(&pdev->dev, "no secure-monitor node\n");
- return -ENODEV;
- }
-
- pwrc = devm_kzalloc(&pdev->dev, sizeof(*pwrc), GFP_KERNEL);
- if (!pwrc) {
- of_node_put(sm_np);
- return -ENOMEM;
- }
-
- pwrc->fw = meson_sm_get(sm_np);
- of_node_put(sm_np);
- if (!pwrc->fw)
- return -EPROBE_DEFER;
-
- pwrc->xlate.domains = devm_kcalloc(&pdev->dev, match->count,
- sizeof(*pwrc->xlate.domains),
- GFP_KERNEL);
- if (!pwrc->xlate.domains)
- return -ENOMEM;
-
- pwrc->domains = devm_kcalloc(&pdev->dev, match->count,
- sizeof(*pwrc->domains), GFP_KERNEL);
- if (!pwrc->domains)
- return -ENOMEM;
-
- pwrc->xlate.num_domains = match->count;
- platform_set_drvdata(pdev, pwrc);
-
- for (i = 0 ; i < match->count ; ++i) {
- struct meson_secure_pwrc_domain *dom = &pwrc->domains[i];
-
- if (!match->domains[i].name)
- continue;
-
- dom->pwrc = pwrc;
- dom->index = match->domains[i].index;
- dom->base.name = match->domains[i].name;
- dom->base.flags = match->domains[i].flags;
- dom->base.power_on = meson_secure_pwrc_on;
- dom->base.power_off = meson_secure_pwrc_off;
-
- pm_genpd_init(&dom->base, NULL, match->domains[i].is_off(dom));
-
- pwrc->xlate.domains[i] = &dom->base;
- }
-
- return of_genpd_add_provider_onecell(pdev->dev.of_node, &pwrc->xlate);
-}
-
-static struct meson_secure_pwrc_domain_data meson_secure_a1_pwrc_data = {
- .domains = a1_pwrc_domains,
- .count = ARRAY_SIZE(a1_pwrc_domains),
-};
-
-static struct meson_secure_pwrc_domain_data amlogic_secure_c3_pwrc_data = {
- .domains = c3_pwrc_domains,
- .count = ARRAY_SIZE(c3_pwrc_domains),
-};
-
-static struct meson_secure_pwrc_domain_data meson_secure_s4_pwrc_data = {
- .domains = s4_pwrc_domains,
- .count = ARRAY_SIZE(s4_pwrc_domains),
-};
-
-static const struct of_device_id meson_secure_pwrc_match_table[] = {
- {
- .compatible = "amlogic,meson-a1-pwrc",
- .data = &meson_secure_a1_pwrc_data,
- },
- {
- .compatible = "amlogic,c3-pwrc",
- .data = &amlogic_secure_c3_pwrc_data,
- },
- {
- .compatible = "amlogic,meson-s4-pwrc",
- .data = &meson_secure_s4_pwrc_data,
- },
- { /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, meson_secure_pwrc_match_table);
-
-static struct platform_driver meson_secure_pwrc_driver = {
- .probe = meson_secure_pwrc_probe,
- .driver = {
- .name = "meson_secure_pwrc",
- .of_match_table = meson_secure_pwrc_match_table,
- },
-};
-module_platform_driver(meson_secure_pwrc_driver);
-MODULE_LICENSE("Dual MIT/GPL");
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_APPLE_PMGR_PWRSTATE) += pmgr-pwrstate.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only OR MIT
-/*
- * Apple SoC PMGR device power state driver
- *
- * Copyright The Asahi Linux Contributors
- */
-
-#include <linux/bitops.h>
-#include <linux/bitfield.h>
-#include <linux/err.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/regmap.h>
-#include <linux/mfd/syscon.h>
-#include <linux/reset-controller.h>
-#include <linux/module.h>
-
-#define APPLE_PMGR_RESET BIT(31)
-#define APPLE_PMGR_AUTO_ENABLE BIT(28)
-#define APPLE_PMGR_PS_AUTO GENMASK(27, 24)
-#define APPLE_PMGR_PS_MIN GENMASK(19, 16)
-#define APPLE_PMGR_PARENT_OFF BIT(11)
-#define APPLE_PMGR_DEV_DISABLE BIT(10)
-#define APPLE_PMGR_WAS_CLKGATED BIT(9)
-#define APPLE_PMGR_WAS_PWRGATED BIT(8)
-#define APPLE_PMGR_PS_ACTUAL GENMASK(7, 4)
-#define APPLE_PMGR_PS_TARGET GENMASK(3, 0)
-
-#define APPLE_PMGR_FLAGS (APPLE_PMGR_WAS_CLKGATED | APPLE_PMGR_WAS_PWRGATED)
-
-#define APPLE_PMGR_PS_ACTIVE 0xf
-#define APPLE_PMGR_PS_CLKGATE 0x4
-#define APPLE_PMGR_PS_PWRGATE 0x0
-
-#define APPLE_PMGR_PS_SET_TIMEOUT 100
-#define APPLE_PMGR_RESET_TIME 1
-
-struct apple_pmgr_ps {
- struct device *dev;
- struct generic_pm_domain genpd;
- struct reset_controller_dev rcdev;
- struct regmap *regmap;
- u32 offset;
- u32 min_state;
-};
-
-#define genpd_to_apple_pmgr_ps(_genpd) container_of(_genpd, struct apple_pmgr_ps, genpd)
-#define rcdev_to_apple_pmgr_ps(_rcdev) container_of(_rcdev, struct apple_pmgr_ps, rcdev)
-
-static int apple_pmgr_ps_set(struct generic_pm_domain *genpd, u32 pstate, bool auto_enable)
-{
- int ret;
- struct apple_pmgr_ps *ps = genpd_to_apple_pmgr_ps(genpd);
- u32 reg;
-
- ret = regmap_read(ps->regmap, ps->offset, ®);
- if (ret < 0)
- return ret;
-
- /* Resets are synchronous, and only work if the device is powered and clocked. */
- if (reg & APPLE_PMGR_RESET && pstate != APPLE_PMGR_PS_ACTIVE)
- dev_err(ps->dev, "PS %s: powering off with RESET active\n",
- genpd->name);
-
- reg &= ~(APPLE_PMGR_AUTO_ENABLE | APPLE_PMGR_FLAGS | APPLE_PMGR_PS_TARGET);
- reg |= FIELD_PREP(APPLE_PMGR_PS_TARGET, pstate);
-
- dev_dbg(ps->dev, "PS %s: pwrstate = 0x%x: 0x%x\n", genpd->name, pstate, reg);
-
- regmap_write(ps->regmap, ps->offset, reg);
-
- ret = regmap_read_poll_timeout_atomic(
- ps->regmap, ps->offset, reg,
- (FIELD_GET(APPLE_PMGR_PS_ACTUAL, reg) == pstate), 1,
- APPLE_PMGR_PS_SET_TIMEOUT);
- if (ret < 0)
- dev_err(ps->dev, "PS %s: Failed to reach power state 0x%x (now: 0x%x)\n",
- genpd->name, pstate, reg);
-
- if (auto_enable) {
- /* Not all devices implement this; this is a no-op where not implemented. */
- reg &= ~APPLE_PMGR_FLAGS;
- reg |= APPLE_PMGR_AUTO_ENABLE;
- regmap_write(ps->regmap, ps->offset, reg);
- }
-
- return ret;
-}
-
-static bool apple_pmgr_ps_is_active(struct apple_pmgr_ps *ps)
-{
- u32 reg = 0;
-
- regmap_read(ps->regmap, ps->offset, ®);
- /*
- * We consider domains as active if they are actually on, or if they have auto-PM
- * enabled and the intended target is on.
- */
- return (FIELD_GET(APPLE_PMGR_PS_ACTUAL, reg) == APPLE_PMGR_PS_ACTIVE ||
- (FIELD_GET(APPLE_PMGR_PS_TARGET, reg) == APPLE_PMGR_PS_ACTIVE &&
- reg & APPLE_PMGR_AUTO_ENABLE));
-}
-
-static int apple_pmgr_ps_power_on(struct generic_pm_domain *genpd)
-{
- return apple_pmgr_ps_set(genpd, APPLE_PMGR_PS_ACTIVE, true);
-}
-
-static int apple_pmgr_ps_power_off(struct generic_pm_domain *genpd)
-{
- return apple_pmgr_ps_set(genpd, APPLE_PMGR_PS_PWRGATE, false);
-}
-
-static int apple_pmgr_reset_assert(struct reset_controller_dev *rcdev, unsigned long id)
-{
- struct apple_pmgr_ps *ps = rcdev_to_apple_pmgr_ps(rcdev);
- unsigned long flags;
-
- spin_lock_irqsave(&ps->genpd.slock, flags);
-
- if (ps->genpd.status == GENPD_STATE_OFF)
- dev_err(ps->dev, "PS 0x%x: asserting RESET while powered down\n", ps->offset);
-
- dev_dbg(ps->dev, "PS 0x%x: assert reset\n", ps->offset);
- /* Quiesce device before asserting reset */
- regmap_update_bits(ps->regmap, ps->offset, APPLE_PMGR_FLAGS | APPLE_PMGR_DEV_DISABLE,
- APPLE_PMGR_DEV_DISABLE);
- regmap_update_bits(ps->regmap, ps->offset, APPLE_PMGR_FLAGS | APPLE_PMGR_RESET,
- APPLE_PMGR_RESET);
-
- spin_unlock_irqrestore(&ps->genpd.slock, flags);
-
- return 0;
-}
-
-static int apple_pmgr_reset_deassert(struct reset_controller_dev *rcdev, unsigned long id)
-{
- struct apple_pmgr_ps *ps = rcdev_to_apple_pmgr_ps(rcdev);
- unsigned long flags;
-
- spin_lock_irqsave(&ps->genpd.slock, flags);
-
- dev_dbg(ps->dev, "PS 0x%x: deassert reset\n", ps->offset);
- regmap_update_bits(ps->regmap, ps->offset, APPLE_PMGR_FLAGS | APPLE_PMGR_RESET, 0);
- regmap_update_bits(ps->regmap, ps->offset, APPLE_PMGR_FLAGS | APPLE_PMGR_DEV_DISABLE, 0);
-
- if (ps->genpd.status == GENPD_STATE_OFF)
- dev_err(ps->dev, "PS 0x%x: RESET was deasserted while powered down\n", ps->offset);
-
- spin_unlock_irqrestore(&ps->genpd.slock, flags);
-
- return 0;
-}
-
-static int apple_pmgr_reset_reset(struct reset_controller_dev *rcdev, unsigned long id)
-{
- int ret;
-
- ret = apple_pmgr_reset_assert(rcdev, id);
- if (ret)
- return ret;
-
- usleep_range(APPLE_PMGR_RESET_TIME, 2 * APPLE_PMGR_RESET_TIME);
-
- return apple_pmgr_reset_deassert(rcdev, id);
-}
-
-static int apple_pmgr_reset_status(struct reset_controller_dev *rcdev, unsigned long id)
-{
- struct apple_pmgr_ps *ps = rcdev_to_apple_pmgr_ps(rcdev);
- u32 reg = 0;
-
- regmap_read(ps->regmap, ps->offset, ®);
-
- return !!(reg & APPLE_PMGR_RESET);
-}
-
-const struct reset_control_ops apple_pmgr_reset_ops = {
- .assert = apple_pmgr_reset_assert,
- .deassert = apple_pmgr_reset_deassert,
- .reset = apple_pmgr_reset_reset,
- .status = apple_pmgr_reset_status,
-};
-
-static int apple_pmgr_reset_xlate(struct reset_controller_dev *rcdev,
- const struct of_phandle_args *reset_spec)
-{
- return 0;
-}
-
-static int apple_pmgr_ps_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct device_node *node = dev->of_node;
- struct apple_pmgr_ps *ps;
- struct regmap *regmap;
- struct of_phandle_iterator it;
- int ret;
- const char *name;
- bool active;
-
- regmap = syscon_node_to_regmap(node->parent);
- if (IS_ERR(regmap))
- return PTR_ERR(regmap);
-
- ps = devm_kzalloc(dev, sizeof(*ps), GFP_KERNEL);
- if (!ps)
- return -ENOMEM;
-
- ps->dev = dev;
- ps->regmap = regmap;
-
- ret = of_property_read_string(node, "label", &name);
- if (ret < 0) {
- dev_err(dev, "missing label property\n");
- return ret;
- }
-
- ret = of_property_read_u32(node, "reg", &ps->offset);
- if (ret < 0) {
- dev_err(dev, "missing reg property\n");
- return ret;
- }
-
- ps->genpd.flags |= GENPD_FLAG_IRQ_SAFE;
- ps->genpd.name = name;
- ps->genpd.power_on = apple_pmgr_ps_power_on;
- ps->genpd.power_off = apple_pmgr_ps_power_off;
-
- ret = of_property_read_u32(node, "apple,min-state", &ps->min_state);
- if (ret == 0 && ps->min_state <= APPLE_PMGR_PS_ACTIVE)
- regmap_update_bits(regmap, ps->offset, APPLE_PMGR_FLAGS | APPLE_PMGR_PS_MIN,
- FIELD_PREP(APPLE_PMGR_PS_MIN, ps->min_state));
-
- active = apple_pmgr_ps_is_active(ps);
- if (of_property_read_bool(node, "apple,always-on")) {
- ps->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
- if (!active) {
- dev_warn(dev, "always-on domain %s is not on at boot\n", name);
- /* Turn it on so pm_genpd_init does not fail */
- active = apple_pmgr_ps_power_on(&ps->genpd) == 0;
- }
- }
-
- /* Turn on auto-PM if the domain is already on */
- if (active)
- regmap_update_bits(regmap, ps->offset, APPLE_PMGR_FLAGS | APPLE_PMGR_AUTO_ENABLE,
- APPLE_PMGR_AUTO_ENABLE);
-
- ret = pm_genpd_init(&ps->genpd, NULL, !active);
- if (ret < 0) {
- dev_err(dev, "pm_genpd_init failed\n");
- return ret;
- }
-
- ret = of_genpd_add_provider_simple(node, &ps->genpd);
- if (ret < 0) {
- dev_err(dev, "of_genpd_add_provider_simple failed\n");
- return ret;
- }
-
- of_for_each_phandle(&it, ret, node, "power-domains", "#power-domain-cells", -1) {
- struct of_phandle_args parent, child;
-
- parent.np = it.node;
- parent.args_count = of_phandle_iterator_args(&it, parent.args, MAX_PHANDLE_ARGS);
- child.np = node;
- child.args_count = 0;
- ret = of_genpd_add_subdomain(&parent, &child);
-
- if (ret == -EPROBE_DEFER) {
- of_node_put(parent.np);
- goto err_remove;
- } else if (ret < 0) {
- dev_err(dev, "failed to add to parent domain: %d (%s -> %s)\n",
- ret, it.node->name, node->name);
- of_node_put(parent.np);
- goto err_remove;
- }
- }
-
- /*
- * Do not participate in regular PM; parent power domains are handled via the
- * genpd hierarchy.
- */
- pm_genpd_remove_device(dev);
-
- ps->rcdev.owner = THIS_MODULE;
- ps->rcdev.nr_resets = 1;
- ps->rcdev.ops = &apple_pmgr_reset_ops;
- ps->rcdev.of_node = dev->of_node;
- ps->rcdev.of_reset_n_cells = 0;
- ps->rcdev.of_xlate = apple_pmgr_reset_xlate;
-
- ret = devm_reset_controller_register(dev, &ps->rcdev);
- if (ret < 0)
- goto err_remove;
-
- return 0;
-err_remove:
- of_genpd_del_provider(node);
- pm_genpd_remove(&ps->genpd);
- return ret;
-}
-
-static const struct of_device_id apple_pmgr_ps_of_match[] = {
- { .compatible = "apple,pmgr-pwrstate" },
- {}
-};
-
-MODULE_DEVICE_TABLE(of, apple_pmgr_ps_of_match);
-
-static struct platform_driver apple_pmgr_ps_driver = {
- .probe = apple_pmgr_ps_probe,
- .driver = {
- .name = "apple-pmgr-pwrstate",
- .of_match_table = apple_pmgr_ps_of_match,
- },
-};
-
-MODULE_AUTHOR("Hector Martin <marcan@marcan.st>");
-MODULE_DESCRIPTION("PMGR power state driver for Apple SoCs");
-
-module_platform_driver(apple_pmgr_ps_driver);
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_BCM_PMB) += bcm-pmb.o
-obj-$(CONFIG_BCM2835_POWER) += bcm2835-power.o
-obj-$(CONFIG_BCM63XX_POWER) += bcm63xx-power.o
-obj-$(CONFIG_RASPBERRYPI_POWER) += raspberrypi-power.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (c) 2013 Broadcom
- * Copyright (C) 2020 Rafał Miłecki <rafal@milecki.pl>
- */
-
-#include <dt-bindings/soc/bcm-pmb.h>
-#include <linux/io.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/reset/bcm63xx_pmb.h>
-
-#define BPCM_ID_REG 0x00
-#define BPCM_CAPABILITIES 0x04
-#define BPCM_CAP_NUM_ZONES 0x000000ff
-#define BPCM_CAP_SR_REG_BITS 0x0000ff00
-#define BPCM_CAP_PLLTYPE 0x00030000
-#define BPCM_CAP_UBUS 0x00080000
-#define BPCM_CONTROL 0x08
-#define BPCM_STATUS 0x0c
-#define BPCM_ROSC_CONTROL 0x10
-#define BPCM_ROSC_THRESH_H 0x14
-#define BPCM_ROSC_THRESHOLD_BCM6838 0x14
-#define BPCM_ROSC_THRESH_S 0x18
-#define BPCM_ROSC_COUNT_BCM6838 0x18
-#define BPCM_ROSC_COUNT 0x1c
-#define BPCM_PWD_CONTROL_BCM6838 0x1c
-#define BPCM_PWD_CONTROL 0x20
-#define BPCM_SR_CONTROL_BCM6838 0x20
-#define BPCM_PWD_ACCUM_CONTROL 0x24
-#define BPCM_SR_CONTROL 0x28
-#define BPCM_GLOBAL_CONTROL 0x2c
-#define BPCM_MISC_CONTROL 0x30
-#define BPCM_MISC_CONTROL2 0x34
-#define BPCM_SGPHY_CNTL 0x38
-#define BPCM_SGPHY_STATUS 0x3c
-#define BPCM_ZONE0 0x40
-#define BPCM_ZONE_CONTROL 0x00
-#define BPCM_ZONE_CONTROL_MANUAL_CLK_EN 0x00000001
-#define BPCM_ZONE_CONTROL_MANUAL_RESET_CTL 0x00000002
-#define BPCM_ZONE_CONTROL_FREQ_SCALE_USED 0x00000004 /* R/O */
-#define BPCM_ZONE_CONTROL_DPG_CAPABLE 0x00000008 /* R/O */
-#define BPCM_ZONE_CONTROL_MANUAL_MEM_PWR 0x00000030
-#define BPCM_ZONE_CONTROL_MANUAL_ISO_CTL 0x00000040
-#define BPCM_ZONE_CONTROL_MANUAL_CTL 0x00000080
-#define BPCM_ZONE_CONTROL_DPG_CTL_EN 0x00000100
-#define BPCM_ZONE_CONTROL_PWR_DN_REQ 0x00000200
-#define BPCM_ZONE_CONTROL_PWR_UP_REQ 0x00000400
-#define BPCM_ZONE_CONTROL_MEM_PWR_CTL_EN 0x00000800
-#define BPCM_ZONE_CONTROL_BLK_RESET_ASSERT 0x00001000
-#define BPCM_ZONE_CONTROL_MEM_STBY 0x00002000
-#define BPCM_ZONE_CONTROL_RESERVED 0x0007c000
-#define BPCM_ZONE_CONTROL_PWR_CNTL_STATE 0x00f80000
-#define BPCM_ZONE_CONTROL_FREQ_SCALAR_DYN_SEL 0x01000000 /* R/O */
-#define BPCM_ZONE_CONTROL_PWR_OFF_STATE 0x02000000 /* R/O */
-#define BPCM_ZONE_CONTROL_PWR_ON_STATE 0x04000000 /* R/O */
-#define BPCM_ZONE_CONTROL_PWR_GOOD 0x08000000 /* R/O */
-#define BPCM_ZONE_CONTROL_DPG_PWR_STATE 0x10000000 /* R/O */
-#define BPCM_ZONE_CONTROL_MEM_PWR_STATE 0x20000000 /* R/O */
-#define BPCM_ZONE_CONTROL_ISO_STATE 0x40000000 /* R/O */
-#define BPCM_ZONE_CONTROL_RESET_STATE 0x80000000 /* R/O */
-#define BPCM_ZONE_CONFIG1 0x04
-#define BPCM_ZONE_CONFIG2 0x08
-#define BPCM_ZONE_FREQ_SCALAR_CONTROL 0x0c
-#define BPCM_ZONE_SIZE 0x10
-
-struct bcm_pmb {
- struct device *dev;
- void __iomem *base;
- spinlock_t lock;
- bool little_endian;
- struct genpd_onecell_data genpd_onecell_data;
-};
-
-struct bcm_pmb_pd_data {
- const char * const name;
- int id;
- u8 bus;
- u8 device;
-};
-
-struct bcm_pmb_pm_domain {
- struct bcm_pmb *pmb;
- const struct bcm_pmb_pd_data *data;
- struct generic_pm_domain genpd;
-};
-
-static int bcm_pmb_bpcm_read(struct bcm_pmb *pmb, int bus, u8 device,
- int offset, u32 *val)
-{
- void __iomem *base = pmb->base + bus * 0x20;
- unsigned long flags;
- int err;
-
- spin_lock_irqsave(&pmb->lock, flags);
- err = bpcm_rd(base, device, offset, val);
- spin_unlock_irqrestore(&pmb->lock, flags);
-
- if (!err)
- *val = pmb->little_endian ? le32_to_cpu(*val) : be32_to_cpu(*val);
-
- return err;
-}
-
-static int bcm_pmb_bpcm_write(struct bcm_pmb *pmb, int bus, u8 device,
- int offset, u32 val)
-{
- void __iomem *base = pmb->base + bus * 0x20;
- unsigned long flags;
- int err;
-
- val = pmb->little_endian ? cpu_to_le32(val) : cpu_to_be32(val);
-
- spin_lock_irqsave(&pmb->lock, flags);
- err = bpcm_wr(base, device, offset, val);
- spin_unlock_irqrestore(&pmb->lock, flags);
-
- return err;
-}
-
-static int bcm_pmb_power_off_zone(struct bcm_pmb *pmb, int bus, u8 device,
- int zone)
-{
- int offset;
- u32 val;
- int err;
-
- offset = BPCM_ZONE0 + zone * BPCM_ZONE_SIZE + BPCM_ZONE_CONTROL;
-
- err = bcm_pmb_bpcm_read(pmb, bus, device, offset, &val);
- if (err)
- return err;
-
- val |= BPCM_ZONE_CONTROL_PWR_DN_REQ;
- val &= ~BPCM_ZONE_CONTROL_PWR_UP_REQ;
-
- err = bcm_pmb_bpcm_write(pmb, bus, device, offset, val);
-
- return err;
-}
-
-static int bcm_pmb_power_on_zone(struct bcm_pmb *pmb, int bus, u8 device,
- int zone)
-{
- int offset;
- u32 val;
- int err;
-
- offset = BPCM_ZONE0 + zone * BPCM_ZONE_SIZE + BPCM_ZONE_CONTROL;
-
- err = bcm_pmb_bpcm_read(pmb, bus, device, offset, &val);
- if (err)
- return err;
-
- if (!(val & BPCM_ZONE_CONTROL_PWR_ON_STATE)) {
- val &= ~BPCM_ZONE_CONTROL_PWR_DN_REQ;
- val |= BPCM_ZONE_CONTROL_DPG_CTL_EN;
- val |= BPCM_ZONE_CONTROL_PWR_UP_REQ;
- val |= BPCM_ZONE_CONTROL_MEM_PWR_CTL_EN;
- val |= BPCM_ZONE_CONTROL_BLK_RESET_ASSERT;
-
- err = bcm_pmb_bpcm_write(pmb, bus, device, offset, val);
- }
-
- return err;
-}
-
-static int bcm_pmb_power_off_device(struct bcm_pmb *pmb, int bus, u8 device)
-{
- int offset;
- u32 val;
- int err;
-
- /* Entire device can be powered off by powering off the 0th zone */
- offset = BPCM_ZONE0 + BPCM_ZONE_CONTROL;
-
- err = bcm_pmb_bpcm_read(pmb, bus, device, offset, &val);
- if (err)
- return err;
-
- if (!(val & BPCM_ZONE_CONTROL_PWR_OFF_STATE)) {
- val = BPCM_ZONE_CONTROL_PWR_DN_REQ;
-
- err = bcm_pmb_bpcm_write(pmb, bus, device, offset, val);
- }
-
- return err;
-}
-
-static int bcm_pmb_power_on_device(struct bcm_pmb *pmb, int bus, u8 device)
-{
- u32 val;
- int err;
- int i;
-
- err = bcm_pmb_bpcm_read(pmb, bus, device, BPCM_CAPABILITIES, &val);
- if (err)
- return err;
-
- for (i = 0; i < (val & BPCM_CAP_NUM_ZONES); i++) {
- err = bcm_pmb_power_on_zone(pmb, bus, device, i);
- if (err)
- return err;
- }
-
- return err;
-}
-
-static int bcm_pmb_power_on_sata(struct bcm_pmb *pmb, int bus, u8 device)
-{
- int err;
-
- err = bcm_pmb_power_on_zone(pmb, bus, device, 0);
- if (err)
- return err;
-
- /* Does not apply to the BCM963158 */
- err = bcm_pmb_bpcm_write(pmb, bus, device, BPCM_MISC_CONTROL, 0);
- if (err)
- return err;
-
- err = bcm_pmb_bpcm_write(pmb, bus, device, BPCM_SR_CONTROL, 0xffffffff);
- if (err)
- return err;
-
- err = bcm_pmb_bpcm_write(pmb, bus, device, BPCM_SR_CONTROL, 0);
-
- return err;
-}
-
-static int bcm_pmb_power_on(struct generic_pm_domain *genpd)
-{
- struct bcm_pmb_pm_domain *pd = container_of(genpd, struct bcm_pmb_pm_domain, genpd);
- const struct bcm_pmb_pd_data *data = pd->data;
- struct bcm_pmb *pmb = pd->pmb;
-
- switch (data->id) {
- case BCM_PMB_PCIE0:
- case BCM_PMB_PCIE1:
- case BCM_PMB_PCIE2:
- return bcm_pmb_power_on_zone(pmb, data->bus, data->device, 0);
- case BCM_PMB_HOST_USB:
- return bcm_pmb_power_on_device(pmb, data->bus, data->device);
- case BCM_PMB_SATA:
- return bcm_pmb_power_on_sata(pmb, data->bus, data->device);
- default:
- dev_err(pmb->dev, "unsupported device id: %d\n", data->id);
- return -EINVAL;
- }
-}
-
-static int bcm_pmb_power_off(struct generic_pm_domain *genpd)
-{
- struct bcm_pmb_pm_domain *pd = container_of(genpd, struct bcm_pmb_pm_domain, genpd);
- const struct bcm_pmb_pd_data *data = pd->data;
- struct bcm_pmb *pmb = pd->pmb;
-
- switch (data->id) {
- case BCM_PMB_PCIE0:
- case BCM_PMB_PCIE1:
- case BCM_PMB_PCIE2:
- return bcm_pmb_power_off_zone(pmb, data->bus, data->device, 0);
- case BCM_PMB_HOST_USB:
- return bcm_pmb_power_off_device(pmb, data->bus, data->device);
- default:
- dev_err(pmb->dev, "unsupported device id: %d\n", data->id);
- return -EINVAL;
- }
-}
-
-static int bcm_pmb_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- const struct bcm_pmb_pd_data *table;
- const struct bcm_pmb_pd_data *e;
- struct bcm_pmb *pmb;
- int max_id;
- int err;
-
- pmb = devm_kzalloc(dev, sizeof(*pmb), GFP_KERNEL);
- if (!pmb)
- return -ENOMEM;
-
- pmb->dev = dev;
-
- pmb->base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(pmb->base))
- return PTR_ERR(pmb->base);
-
- spin_lock_init(&pmb->lock);
-
- pmb->little_endian = !of_device_is_big_endian(dev->of_node);
-
- table = of_device_get_match_data(dev);
- if (!table)
- return -EINVAL;
-
- max_id = 0;
- for (e = table; e->name; e++)
- max_id = max(max_id, e->id);
-
- pmb->genpd_onecell_data.num_domains = max_id + 1;
- pmb->genpd_onecell_data.domains =
- devm_kcalloc(dev, pmb->genpd_onecell_data.num_domains,
- sizeof(struct generic_pm_domain *), GFP_KERNEL);
- if (!pmb->genpd_onecell_data.domains)
- return -ENOMEM;
-
- for (e = table; e->name; e++) {
- struct bcm_pmb_pm_domain *pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
-
- if (!pd)
- return -ENOMEM;
-
- pd->pmb = pmb;
- pd->data = e;
- pd->genpd.name = e->name;
- pd->genpd.power_on = bcm_pmb_power_on;
- pd->genpd.power_off = bcm_pmb_power_off;
-
- pm_genpd_init(&pd->genpd, NULL, true);
- pmb->genpd_onecell_data.domains[e->id] = &pd->genpd;
- }
-
- err = of_genpd_add_provider_onecell(dev->of_node, &pmb->genpd_onecell_data);
- if (err) {
- dev_err(dev, "failed to add genpd provider: %d\n", err);
- return err;
- }
-
- return 0;
-}
-
-static const struct bcm_pmb_pd_data bcm_pmb_bcm4908_data[] = {
- { .name = "pcie2", .id = BCM_PMB_PCIE2, .bus = 0, .device = 2, },
- { .name = "pcie0", .id = BCM_PMB_PCIE0, .bus = 1, .device = 14, },
- { .name = "pcie1", .id = BCM_PMB_PCIE1, .bus = 1, .device = 15, },
- { .name = "usb", .id = BCM_PMB_HOST_USB, .bus = 1, .device = 17, },
- { },
-};
-
-static const struct bcm_pmb_pd_data bcm_pmb_bcm63138_data[] = {
- { .name = "sata", .id = BCM_PMB_SATA, .bus = 0, .device = 3, },
- { },
-};
-
-static const struct of_device_id bcm_pmb_of_match[] = {
- { .compatible = "brcm,bcm4908-pmb", .data = &bcm_pmb_bcm4908_data, },
- { .compatible = "brcm,bcm63138-pmb", .data = &bcm_pmb_bcm63138_data, },
- { },
-};
-
-static struct platform_driver bcm_pmb_driver = {
- .driver = {
- .name = "bcm-pmb",
- .of_match_table = bcm_pmb_of_match,
- },
- .probe = bcm_pmb_probe,
-};
-
-builtin_platform_driver(bcm_pmb_driver);
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Power domain driver for Broadcom BCM2835
- *
- * Copyright (C) 2018 Broadcom
- */
-
-#include <dt-bindings/soc/bcm2835-pm.h>
-#include <linux/clk.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/mfd/bcm2835-pm.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/reset-controller.h>
-#include <linux/types.h>
-
-#define PM_GNRIC 0x00
-#define PM_AUDIO 0x04
-#define PM_STATUS 0x18
-#define PM_RSTC 0x1c
-#define PM_RSTS 0x20
-#define PM_WDOG 0x24
-#define PM_PADS0 0x28
-#define PM_PADS2 0x2c
-#define PM_PADS3 0x30
-#define PM_PADS4 0x34
-#define PM_PADS5 0x38
-#define PM_PADS6 0x3c
-#define PM_CAM0 0x44
-#define PM_CAM0_LDOHPEN BIT(2)
-#define PM_CAM0_LDOLPEN BIT(1)
-#define PM_CAM0_CTRLEN BIT(0)
-
-#define PM_CAM1 0x48
-#define PM_CAM1_LDOHPEN BIT(2)
-#define PM_CAM1_LDOLPEN BIT(1)
-#define PM_CAM1_CTRLEN BIT(0)
-
-#define PM_CCP2TX 0x4c
-#define PM_CCP2TX_LDOEN BIT(1)
-#define PM_CCP2TX_CTRLEN BIT(0)
-
-#define PM_DSI0 0x50
-#define PM_DSI0_LDOHPEN BIT(2)
-#define PM_DSI0_LDOLPEN BIT(1)
-#define PM_DSI0_CTRLEN BIT(0)
-
-#define PM_DSI1 0x54
-#define PM_DSI1_LDOHPEN BIT(2)
-#define PM_DSI1_LDOLPEN BIT(1)
-#define PM_DSI1_CTRLEN BIT(0)
-
-#define PM_HDMI 0x58
-#define PM_HDMI_RSTDR BIT(19)
-#define PM_HDMI_LDOPD BIT(1)
-#define PM_HDMI_CTRLEN BIT(0)
-
-#define PM_USB 0x5c
-/* The power gates must be enabled with this bit before enabling the LDO in the
- * USB block.
- */
-#define PM_USB_CTRLEN BIT(0)
-
-#define PM_PXLDO 0x60
-#define PM_PXBG 0x64
-#define PM_DFT 0x68
-#define PM_SMPS 0x6c
-#define PM_XOSC 0x70
-#define PM_SPAREW 0x74
-#define PM_SPARER 0x78
-#define PM_AVS_RSTDR 0x7c
-#define PM_AVS_STAT 0x80
-#define PM_AVS_EVENT 0x84
-#define PM_AVS_INTEN 0x88
-#define PM_DUMMY 0xfc
-
-#define PM_IMAGE 0x108
-#define PM_GRAFX 0x10c
-#define PM_PROC 0x110
-#define PM_ENAB BIT(12)
-#define PM_ISPRSTN BIT(8)
-#define PM_H264RSTN BIT(7)
-#define PM_PERIRSTN BIT(6)
-#define PM_V3DRSTN BIT(6)
-#define PM_ISFUNC BIT(5)
-#define PM_MRDONE BIT(4)
-#define PM_MEMREP BIT(3)
-#define PM_ISPOW BIT(2)
-#define PM_POWOK BIT(1)
-#define PM_POWUP BIT(0)
-#define PM_INRUSH_SHIFT 13
-#define PM_INRUSH_3_5_MA 0
-#define PM_INRUSH_5_MA 1
-#define PM_INRUSH_10_MA 2
-#define PM_INRUSH_20_MA 3
-#define PM_INRUSH_MASK (3 << PM_INRUSH_SHIFT)
-
-#define PM_PASSWORD 0x5a000000
-
-#define PM_WDOG_TIME_SET 0x000fffff
-#define PM_RSTC_WRCFG_CLR 0xffffffcf
-#define PM_RSTS_HADWRH_SET 0x00000040
-#define PM_RSTC_WRCFG_SET 0x00000030
-#define PM_RSTC_WRCFG_FULL_RESET 0x00000020
-#define PM_RSTC_RESET 0x00000102
-
-#define PM_READ(reg) readl(power->base + (reg))
-#define PM_WRITE(reg, val) writel(PM_PASSWORD | (val), power->base + (reg))
-
-#define ASB_BRDG_VERSION 0x00
-#define ASB_CPR_CTRL 0x04
-
-#define ASB_V3D_S_CTRL 0x08
-#define ASB_V3D_M_CTRL 0x0c
-#define ASB_ISP_S_CTRL 0x10
-#define ASB_ISP_M_CTRL 0x14
-#define ASB_H264_S_CTRL 0x18
-#define ASB_H264_M_CTRL 0x1c
-
-#define ASB_REQ_STOP BIT(0)
-#define ASB_ACK BIT(1)
-#define ASB_EMPTY BIT(2)
-#define ASB_FULL BIT(3)
-
-#define ASB_AXI_BRDG_ID 0x20
-
-#define BCM2835_BRDG_ID 0x62726467
-
-struct bcm2835_power_domain {
- struct generic_pm_domain base;
- struct bcm2835_power *power;
- u32 domain;
- struct clk *clk;
-};
-
-struct bcm2835_power {
- struct device *dev;
- /* PM registers. */
- void __iomem *base;
- /* AXI Async bridge registers. */
- void __iomem *asb;
- /* RPiVid bridge registers. */
- void __iomem *rpivid_asb;
-
- struct genpd_onecell_data pd_xlate;
- struct bcm2835_power_domain domains[BCM2835_POWER_DOMAIN_COUNT];
- struct reset_controller_dev reset;
-};
-
-static int bcm2835_asb_control(struct bcm2835_power *power, u32 reg, bool enable)
-{
- void __iomem *base = power->asb;
- u64 start;
- u32 val;
-
- switch (reg) {
- case 0:
- return 0;
- case ASB_V3D_S_CTRL:
- case ASB_V3D_M_CTRL:
- if (power->rpivid_asb)
- base = power->rpivid_asb;
- break;
- }
-
- start = ktime_get_ns();
-
- /* Enable the module's async AXI bridges. */
- if (enable) {
- val = readl(base + reg) & ~ASB_REQ_STOP;
- } else {
- val = readl(base + reg) | ASB_REQ_STOP;
- }
- writel(PM_PASSWORD | val, base + reg);
-
- while (readl(base + reg) & ASB_ACK) {
- cpu_relax();
- if (ktime_get_ns() - start >= 1000)
- return -ETIMEDOUT;
- }
-
- return 0;
-}
-
-static int bcm2835_asb_enable(struct bcm2835_power *power, u32 reg)
-{
- return bcm2835_asb_control(power, reg, true);
-}
-
-static int bcm2835_asb_disable(struct bcm2835_power *power, u32 reg)
-{
- return bcm2835_asb_control(power, reg, false);
-}
-
-static int bcm2835_power_power_off(struct bcm2835_power_domain *pd, u32 pm_reg)
-{
- struct bcm2835_power *power = pd->power;
-
- /* We don't run this on BCM2711 */
- if (power->rpivid_asb)
- return 0;
-
- /* Enable functional isolation */
- PM_WRITE(pm_reg, PM_READ(pm_reg) & ~PM_ISFUNC);
-
- /* Enable electrical isolation */
- PM_WRITE(pm_reg, PM_READ(pm_reg) & ~PM_ISPOW);
-
- /* Open the power switches. */
- PM_WRITE(pm_reg, PM_READ(pm_reg) & ~PM_POWUP);
-
- return 0;
-}
-
-static int bcm2835_power_power_on(struct bcm2835_power_domain *pd, u32 pm_reg)
-{
- struct bcm2835_power *power = pd->power;
- struct device *dev = power->dev;
- u64 start;
- int ret;
- int inrush;
- bool powok;
-
- /* We don't run this on BCM2711 */
- if (power->rpivid_asb)
- return 0;
-
- /* If it was already powered on by the fw, leave it that way. */
- if (PM_READ(pm_reg) & PM_POWUP)
- return 0;
-
- /* Enable power. Allowing too much current at once may result
- * in POWOK never getting set, so start low and ramp it up as
- * necessary to succeed.
- */
- powok = false;
- for (inrush = PM_INRUSH_3_5_MA; inrush <= PM_INRUSH_20_MA; inrush++) {
- PM_WRITE(pm_reg,
- (PM_READ(pm_reg) & ~PM_INRUSH_MASK) |
- (inrush << PM_INRUSH_SHIFT) |
- PM_POWUP);
-
- start = ktime_get_ns();
- while (!(powok = !!(PM_READ(pm_reg) & PM_POWOK))) {
- cpu_relax();
- if (ktime_get_ns() - start >= 3000)
- break;
- }
- }
- if (!powok) {
- dev_err(dev, "Timeout waiting for %s power OK\n",
- pd->base.name);
- ret = -ETIMEDOUT;
- goto err_disable_powup;
- }
-
- /* Disable electrical isolation */
- PM_WRITE(pm_reg, PM_READ(pm_reg) | PM_ISPOW);
-
- /* Repair memory */
- PM_WRITE(pm_reg, PM_READ(pm_reg) | PM_MEMREP);
- start = ktime_get_ns();
- while (!(PM_READ(pm_reg) & PM_MRDONE)) {
- cpu_relax();
- if (ktime_get_ns() - start >= 1000) {
- dev_err(dev, "Timeout waiting for %s memory repair\n",
- pd->base.name);
- ret = -ETIMEDOUT;
- goto err_disable_ispow;
- }
- }
-
- /* Disable functional isolation */
- PM_WRITE(pm_reg, PM_READ(pm_reg) | PM_ISFUNC);
-
- return 0;
-
-err_disable_ispow:
- PM_WRITE(pm_reg, PM_READ(pm_reg) & ~PM_ISPOW);
-err_disable_powup:
- PM_WRITE(pm_reg, PM_READ(pm_reg) & ~(PM_POWUP | PM_INRUSH_MASK));
- return ret;
-}
-
-static int bcm2835_asb_power_on(struct bcm2835_power_domain *pd,
- u32 pm_reg,
- u32 asb_m_reg,
- u32 asb_s_reg,
- u32 reset_flags)
-{
- struct bcm2835_power *power = pd->power;
- int ret;
-
- ret = clk_prepare_enable(pd->clk);
- if (ret) {
- dev_err(power->dev, "Failed to enable clock for %s\n",
- pd->base.name);
- return ret;
- }
-
- /* Wait 32 clocks for reset to propagate, 1 us will be enough */
- udelay(1);
-
- clk_disable_unprepare(pd->clk);
-
- /* Deassert the resets. */
- PM_WRITE(pm_reg, PM_READ(pm_reg) | reset_flags);
-
- ret = clk_prepare_enable(pd->clk);
- if (ret) {
- dev_err(power->dev, "Failed to enable clock for %s\n",
- pd->base.name);
- goto err_enable_resets;
- }
-
- ret = bcm2835_asb_enable(power, asb_m_reg);
- if (ret) {
- dev_err(power->dev, "Failed to enable ASB master for %s\n",
- pd->base.name);
- goto err_disable_clk;
- }
- ret = bcm2835_asb_enable(power, asb_s_reg);
- if (ret) {
- dev_err(power->dev, "Failed to enable ASB slave for %s\n",
- pd->base.name);
- goto err_disable_asb_master;
- }
-
- return 0;
-
-err_disable_asb_master:
- bcm2835_asb_disable(power, asb_m_reg);
-err_disable_clk:
- clk_disable_unprepare(pd->clk);
-err_enable_resets:
- PM_WRITE(pm_reg, PM_READ(pm_reg) & ~reset_flags);
- return ret;
-}
-
-static int bcm2835_asb_power_off(struct bcm2835_power_domain *pd,
- u32 pm_reg,
- u32 asb_m_reg,
- u32 asb_s_reg,
- u32 reset_flags)
-{
- struct bcm2835_power *power = pd->power;
- int ret;
-
- ret = bcm2835_asb_disable(power, asb_s_reg);
- if (ret) {
- dev_warn(power->dev, "Failed to disable ASB slave for %s\n",
- pd->base.name);
- return ret;
- }
- ret = bcm2835_asb_disable(power, asb_m_reg);
- if (ret) {
- dev_warn(power->dev, "Failed to disable ASB master for %s\n",
- pd->base.name);
- bcm2835_asb_enable(power, asb_s_reg);
- return ret;
- }
-
- clk_disable_unprepare(pd->clk);
-
- /* Assert the resets. */
- PM_WRITE(pm_reg, PM_READ(pm_reg) & ~reset_flags);
-
- return 0;
-}
-
-static int bcm2835_power_pd_power_on(struct generic_pm_domain *domain)
-{
- struct bcm2835_power_domain *pd =
- container_of(domain, struct bcm2835_power_domain, base);
- struct bcm2835_power *power = pd->power;
-
- switch (pd->domain) {
- case BCM2835_POWER_DOMAIN_GRAFX:
- return bcm2835_power_power_on(pd, PM_GRAFX);
-
- case BCM2835_POWER_DOMAIN_GRAFX_V3D:
- return bcm2835_asb_power_on(pd, PM_GRAFX,
- ASB_V3D_M_CTRL, ASB_V3D_S_CTRL,
- PM_V3DRSTN);
-
- case BCM2835_POWER_DOMAIN_IMAGE:
- return bcm2835_power_power_on(pd, PM_IMAGE);
-
- case BCM2835_POWER_DOMAIN_IMAGE_PERI:
- return bcm2835_asb_power_on(pd, PM_IMAGE,
- 0, 0,
- PM_PERIRSTN);
-
- case BCM2835_POWER_DOMAIN_IMAGE_ISP:
- return bcm2835_asb_power_on(pd, PM_IMAGE,
- ASB_ISP_M_CTRL, ASB_ISP_S_CTRL,
- PM_ISPRSTN);
-
- case BCM2835_POWER_DOMAIN_IMAGE_H264:
- return bcm2835_asb_power_on(pd, PM_IMAGE,
- ASB_H264_M_CTRL, ASB_H264_S_CTRL,
- PM_H264RSTN);
-
- case BCM2835_POWER_DOMAIN_USB:
- PM_WRITE(PM_USB, PM_USB_CTRLEN);
- return 0;
-
- case BCM2835_POWER_DOMAIN_DSI0:
- PM_WRITE(PM_DSI0, PM_DSI0_CTRLEN);
- PM_WRITE(PM_DSI0, PM_DSI0_CTRLEN | PM_DSI0_LDOHPEN);
- return 0;
-
- case BCM2835_POWER_DOMAIN_DSI1:
- PM_WRITE(PM_DSI1, PM_DSI1_CTRLEN);
- PM_WRITE(PM_DSI1, PM_DSI1_CTRLEN | PM_DSI1_LDOHPEN);
- return 0;
-
- case BCM2835_POWER_DOMAIN_CCP2TX:
- PM_WRITE(PM_CCP2TX, PM_CCP2TX_CTRLEN);
- PM_WRITE(PM_CCP2TX, PM_CCP2TX_CTRLEN | PM_CCP2TX_LDOEN);
- return 0;
-
- case BCM2835_POWER_DOMAIN_HDMI:
- PM_WRITE(PM_HDMI, PM_READ(PM_HDMI) | PM_HDMI_RSTDR);
- PM_WRITE(PM_HDMI, PM_READ(PM_HDMI) | PM_HDMI_CTRLEN);
- PM_WRITE(PM_HDMI, PM_READ(PM_HDMI) & ~PM_HDMI_LDOPD);
- usleep_range(100, 200);
- PM_WRITE(PM_HDMI, PM_READ(PM_HDMI) & ~PM_HDMI_RSTDR);
- return 0;
-
- default:
- dev_err(power->dev, "Invalid domain %d\n", pd->domain);
- return -EINVAL;
- }
-}
-
-static int bcm2835_power_pd_power_off(struct generic_pm_domain *domain)
-{
- struct bcm2835_power_domain *pd =
- container_of(domain, struct bcm2835_power_domain, base);
- struct bcm2835_power *power = pd->power;
-
- switch (pd->domain) {
- case BCM2835_POWER_DOMAIN_GRAFX:
- return bcm2835_power_power_off(pd, PM_GRAFX);
-
- case BCM2835_POWER_DOMAIN_GRAFX_V3D:
- return bcm2835_asb_power_off(pd, PM_GRAFX,
- ASB_V3D_M_CTRL, ASB_V3D_S_CTRL,
- PM_V3DRSTN);
-
- case BCM2835_POWER_DOMAIN_IMAGE:
- return bcm2835_power_power_off(pd, PM_IMAGE);
-
- case BCM2835_POWER_DOMAIN_IMAGE_PERI:
- return bcm2835_asb_power_off(pd, PM_IMAGE,
- 0, 0,
- PM_PERIRSTN);
-
- case BCM2835_POWER_DOMAIN_IMAGE_ISP:
- return bcm2835_asb_power_off(pd, PM_IMAGE,
- ASB_ISP_M_CTRL, ASB_ISP_S_CTRL,
- PM_ISPRSTN);
-
- case BCM2835_POWER_DOMAIN_IMAGE_H264:
- return bcm2835_asb_power_off(pd, PM_IMAGE,
- ASB_H264_M_CTRL, ASB_H264_S_CTRL,
- PM_H264RSTN);
-
- case BCM2835_POWER_DOMAIN_USB:
- PM_WRITE(PM_USB, 0);
- return 0;
-
- case BCM2835_POWER_DOMAIN_DSI0:
- PM_WRITE(PM_DSI0, PM_DSI0_CTRLEN);
- PM_WRITE(PM_DSI0, 0);
- return 0;
-
- case BCM2835_POWER_DOMAIN_DSI1:
- PM_WRITE(PM_DSI1, PM_DSI1_CTRLEN);
- PM_WRITE(PM_DSI1, 0);
- return 0;
-
- case BCM2835_POWER_DOMAIN_CCP2TX:
- PM_WRITE(PM_CCP2TX, PM_CCP2TX_CTRLEN);
- PM_WRITE(PM_CCP2TX, 0);
- return 0;
-
- case BCM2835_POWER_DOMAIN_HDMI:
- PM_WRITE(PM_HDMI, PM_READ(PM_HDMI) | PM_HDMI_LDOPD);
- PM_WRITE(PM_HDMI, PM_READ(PM_HDMI) & ~PM_HDMI_CTRLEN);
- return 0;
-
- default:
- dev_err(power->dev, "Invalid domain %d\n", pd->domain);
- return -EINVAL;
- }
-}
-
-static int
-bcm2835_init_power_domain(struct bcm2835_power *power,
- int pd_xlate_index, const char *name)
-{
- struct device *dev = power->dev;
- struct bcm2835_power_domain *dom = &power->domains[pd_xlate_index];
-
- dom->clk = devm_clk_get(dev->parent, name);
- if (IS_ERR(dom->clk)) {
- int ret = PTR_ERR(dom->clk);
-
- if (ret == -EPROBE_DEFER)
- return ret;
-
- /* Some domains don't have a clk, so make sure that we
- * don't deref an error pointer later.
- */
- dom->clk = NULL;
- }
-
- dom->base.name = name;
- dom->base.power_on = bcm2835_power_pd_power_on;
- dom->base.power_off = bcm2835_power_pd_power_off;
-
- dom->domain = pd_xlate_index;
- dom->power = power;
-
- /* XXX: on/off at boot? */
- pm_genpd_init(&dom->base, NULL, true);
-
- power->pd_xlate.domains[pd_xlate_index] = &dom->base;
-
- return 0;
-}
-
-/** bcm2835_reset_reset - Resets a block that has a reset line in the
- * PM block.
- *
- * The consumer of the reset controller must have the power domain up
- * -- there's no reset ability with the power domain down. To reset
- * the sub-block, we just disable its access to memory through the
- * ASB, reset, and re-enable.
- */
-static int bcm2835_reset_reset(struct reset_controller_dev *rcdev,
- unsigned long id)
-{
- struct bcm2835_power *power = container_of(rcdev, struct bcm2835_power,
- reset);
- struct bcm2835_power_domain *pd;
- int ret;
-
- switch (id) {
- case BCM2835_RESET_V3D:
- pd = &power->domains[BCM2835_POWER_DOMAIN_GRAFX_V3D];
- break;
- case BCM2835_RESET_H264:
- pd = &power->domains[BCM2835_POWER_DOMAIN_IMAGE_H264];
- break;
- case BCM2835_RESET_ISP:
- pd = &power->domains[BCM2835_POWER_DOMAIN_IMAGE_ISP];
- break;
- default:
- dev_err(power->dev, "Bad reset id %ld\n", id);
- return -EINVAL;
- }
-
- ret = bcm2835_power_pd_power_off(&pd->base);
- if (ret)
- return ret;
-
- return bcm2835_power_pd_power_on(&pd->base);
-}
-
-static int bcm2835_reset_status(struct reset_controller_dev *rcdev,
- unsigned long id)
-{
- struct bcm2835_power *power = container_of(rcdev, struct bcm2835_power,
- reset);
-
- switch (id) {
- case BCM2835_RESET_V3D:
- return !PM_READ(PM_GRAFX & PM_V3DRSTN);
- case BCM2835_RESET_H264:
- return !PM_READ(PM_IMAGE & PM_H264RSTN);
- case BCM2835_RESET_ISP:
- return !PM_READ(PM_IMAGE & PM_ISPRSTN);
- default:
- return -EINVAL;
- }
-}
-
-static const struct reset_control_ops bcm2835_reset_ops = {
- .reset = bcm2835_reset_reset,
- .status = bcm2835_reset_status,
-};
-
-static const char *const power_domain_names[] = {
- [BCM2835_POWER_DOMAIN_GRAFX] = "grafx",
- [BCM2835_POWER_DOMAIN_GRAFX_V3D] = "v3d",
-
- [BCM2835_POWER_DOMAIN_IMAGE] = "image",
- [BCM2835_POWER_DOMAIN_IMAGE_PERI] = "peri_image",
- [BCM2835_POWER_DOMAIN_IMAGE_H264] = "h264",
- [BCM2835_POWER_DOMAIN_IMAGE_ISP] = "isp",
-
- [BCM2835_POWER_DOMAIN_USB] = "usb",
- [BCM2835_POWER_DOMAIN_DSI0] = "dsi0",
- [BCM2835_POWER_DOMAIN_DSI1] = "dsi1",
- [BCM2835_POWER_DOMAIN_CAM0] = "cam0",
- [BCM2835_POWER_DOMAIN_CAM1] = "cam1",
- [BCM2835_POWER_DOMAIN_CCP2TX] = "ccp2tx",
- [BCM2835_POWER_DOMAIN_HDMI] = "hdmi",
-};
-
-static int bcm2835_power_probe(struct platform_device *pdev)
-{
- struct bcm2835_pm *pm = dev_get_drvdata(pdev->dev.parent);
- struct device *dev = &pdev->dev;
- struct bcm2835_power *power;
- static const struct {
- int parent, child;
- } domain_deps[] = {
- { BCM2835_POWER_DOMAIN_GRAFX, BCM2835_POWER_DOMAIN_GRAFX_V3D },
- { BCM2835_POWER_DOMAIN_IMAGE, BCM2835_POWER_DOMAIN_IMAGE_PERI },
- { BCM2835_POWER_DOMAIN_IMAGE, BCM2835_POWER_DOMAIN_IMAGE_H264 },
- { BCM2835_POWER_DOMAIN_IMAGE, BCM2835_POWER_DOMAIN_IMAGE_ISP },
- { BCM2835_POWER_DOMAIN_IMAGE_PERI, BCM2835_POWER_DOMAIN_USB },
- { BCM2835_POWER_DOMAIN_IMAGE_PERI, BCM2835_POWER_DOMAIN_CAM0 },
- { BCM2835_POWER_DOMAIN_IMAGE_PERI, BCM2835_POWER_DOMAIN_CAM1 },
- };
- int ret = 0, i;
- u32 id;
-
- power = devm_kzalloc(dev, sizeof(*power), GFP_KERNEL);
- if (!power)
- return -ENOMEM;
- platform_set_drvdata(pdev, power);
-
- power->dev = dev;
- power->base = pm->base;
- power->asb = pm->asb;
- power->rpivid_asb = pm->rpivid_asb;
-
- id = readl(power->asb + ASB_AXI_BRDG_ID);
- if (id != BCM2835_BRDG_ID /* "BRDG" */) {
- dev_err(dev, "ASB register ID returned 0x%08x\n", id);
- return -ENODEV;
- }
-
- if (power->rpivid_asb) {
- id = readl(power->rpivid_asb + ASB_AXI_BRDG_ID);
- if (id != BCM2835_BRDG_ID /* "BRDG" */) {
- dev_err(dev, "RPiVid ASB register ID returned 0x%08x\n",
- id);
- return -ENODEV;
- }
- }
-
- power->pd_xlate.domains = devm_kcalloc(dev,
- ARRAY_SIZE(power_domain_names),
- sizeof(*power->pd_xlate.domains),
- GFP_KERNEL);
- if (!power->pd_xlate.domains)
- return -ENOMEM;
-
- power->pd_xlate.num_domains = ARRAY_SIZE(power_domain_names);
-
- for (i = 0; i < ARRAY_SIZE(power_domain_names); i++) {
- ret = bcm2835_init_power_domain(power, i, power_domain_names[i]);
- if (ret)
- goto fail;
- }
-
- for (i = 0; i < ARRAY_SIZE(domain_deps); i++) {
- pm_genpd_add_subdomain(&power->domains[domain_deps[i].parent].base,
- &power->domains[domain_deps[i].child].base);
- }
-
- power->reset.owner = THIS_MODULE;
- power->reset.nr_resets = BCM2835_RESET_COUNT;
- power->reset.ops = &bcm2835_reset_ops;
- power->reset.of_node = dev->parent->of_node;
-
- ret = devm_reset_controller_register(dev, &power->reset);
- if (ret)
- goto fail;
-
- of_genpd_add_provider_onecell(dev->parent->of_node, &power->pd_xlate);
-
- dev_info(dev, "Broadcom BCM2835 power domains driver");
- return 0;
-
-fail:
- for (i = 0; i < ARRAY_SIZE(power_domain_names); i++) {
- struct generic_pm_domain *dom = &power->domains[i].base;
-
- if (dom->name)
- pm_genpd_remove(dom);
- }
- return ret;
-}
-
-static struct platform_driver bcm2835_power_driver = {
- .probe = bcm2835_power_probe,
- .driver = {
- .name = "bcm2835-power",
- },
-};
-module_platform_driver(bcm2835_power_driver);
-
-MODULE_AUTHOR("Eric Anholt <eric@anholt.net>");
-MODULE_DESCRIPTION("Driver for Broadcom BCM2835 PM power domains and reset");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * BCM63xx Power Domain Controller Driver
- *
- * Copyright (C) 2020 Álvaro Fernández Rojas <noltari@gmail.com>
- */
-
-#include <dt-bindings/soc/bcm6318-pm.h>
-#include <dt-bindings/soc/bcm6328-pm.h>
-#include <dt-bindings/soc/bcm6362-pm.h>
-#include <dt-bindings/soc/bcm63268-pm.h>
-#include <linux/io.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/of.h>
-
-struct bcm63xx_power_dev {
- struct generic_pm_domain genpd;
- struct bcm63xx_power *power;
- uint32_t mask;
-};
-
-struct bcm63xx_power {
- void __iomem *base;
- spinlock_t lock;
- struct bcm63xx_power_dev *dev;
- struct genpd_onecell_data genpd_data;
- struct generic_pm_domain **genpd;
-};
-
-struct bcm63xx_power_data {
- const char * const name;
- uint8_t bit;
- unsigned int flags;
-};
-
-static int bcm63xx_power_get_state(struct bcm63xx_power_dev *pmd, bool *is_on)
-{
- struct bcm63xx_power *power = pmd->power;
-
- if (!pmd->mask) {
- *is_on = false;
- return -EINVAL;
- }
-
- *is_on = !(__raw_readl(power->base) & pmd->mask);
-
- return 0;
-}
-
-static int bcm63xx_power_set_state(struct bcm63xx_power_dev *pmd, bool on)
-{
- struct bcm63xx_power *power = pmd->power;
- unsigned long flags;
- uint32_t val;
-
- if (!pmd->mask)
- return -EINVAL;
-
- spin_lock_irqsave(&power->lock, flags);
- val = __raw_readl(power->base);
- if (on)
- val &= ~pmd->mask;
- else
- val |= pmd->mask;
- __raw_writel(val, power->base);
- spin_unlock_irqrestore(&power->lock, flags);
-
- return 0;
-}
-
-static int bcm63xx_power_on(struct generic_pm_domain *genpd)
-{
- struct bcm63xx_power_dev *pmd = container_of(genpd,
- struct bcm63xx_power_dev, genpd);
-
- return bcm63xx_power_set_state(pmd, true);
-}
-
-static int bcm63xx_power_off(struct generic_pm_domain *genpd)
-{
- struct bcm63xx_power_dev *pmd = container_of(genpd,
- struct bcm63xx_power_dev, genpd);
-
- return bcm63xx_power_set_state(pmd, false);
-}
-
-static int bcm63xx_power_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct device_node *np = dev->of_node;
- const struct bcm63xx_power_data *entry, *table;
- struct bcm63xx_power *power;
- unsigned int ndom;
- uint8_t max_bit = 0;
- int ret;
-
- power = devm_kzalloc(dev, sizeof(*power), GFP_KERNEL);
- if (!power)
- return -ENOMEM;
-
- power->base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(power->base))
- return PTR_ERR(power->base);
-
- table = of_device_get_match_data(dev);
- if (!table)
- return -EINVAL;
-
- power->genpd_data.num_domains = 0;
- ndom = 0;
- for (entry = table; entry->name; entry++) {
- max_bit = max(max_bit, entry->bit);
- ndom++;
- }
-
- if (!ndom)
- return -ENODEV;
-
- power->genpd_data.num_domains = max_bit + 1;
-
- power->dev = devm_kcalloc(dev, power->genpd_data.num_domains,
- sizeof(struct bcm63xx_power_dev),
- GFP_KERNEL);
- if (!power->dev)
- return -ENOMEM;
-
- power->genpd = devm_kcalloc(dev, power->genpd_data.num_domains,
- sizeof(struct generic_pm_domain *),
- GFP_KERNEL);
- if (!power->genpd)
- return -ENOMEM;
-
- power->genpd_data.domains = power->genpd;
-
- ndom = 0;
- for (entry = table; entry->name; entry++) {
- struct bcm63xx_power_dev *pmd = &power->dev[ndom];
- bool is_on;
-
- pmd->power = power;
- pmd->mask = BIT(entry->bit);
- pmd->genpd.name = entry->name;
- pmd->genpd.flags = entry->flags;
-
- ret = bcm63xx_power_get_state(pmd, &is_on);
- if (ret)
- dev_warn(dev, "unable to get current state for %s\n",
- pmd->genpd.name);
-
- pmd->genpd.power_on = bcm63xx_power_on;
- pmd->genpd.power_off = bcm63xx_power_off;
-
- pm_genpd_init(&pmd->genpd, NULL, !is_on);
- power->genpd[entry->bit] = &pmd->genpd;
-
- ndom++;
- }
-
- spin_lock_init(&power->lock);
-
- ret = of_genpd_add_provider_onecell(np, &power->genpd_data);
- if (ret) {
- dev_err(dev, "failed to register genpd driver: %d\n", ret);
- return ret;
- }
-
- dev_info(dev, "registered %u power domains\n", ndom);
-
- return 0;
-}
-
-static const struct bcm63xx_power_data bcm6318_power_domains[] = {
- {
- .name = "pcie",
- .bit = BCM6318_POWER_DOMAIN_PCIE,
- }, {
- .name = "usb",
- .bit = BCM6318_POWER_DOMAIN_USB,
- }, {
- .name = "ephy0",
- .bit = BCM6318_POWER_DOMAIN_EPHY0,
- }, {
- .name = "ephy1",
- .bit = BCM6318_POWER_DOMAIN_EPHY1,
- }, {
- .name = "ephy2",
- .bit = BCM6318_POWER_DOMAIN_EPHY2,
- }, {
- .name = "ephy3",
- .bit = BCM6318_POWER_DOMAIN_EPHY3,
- }, {
- .name = "ldo2p5",
- .bit = BCM6318_POWER_DOMAIN_LDO2P5,
- .flags = GENPD_FLAG_ALWAYS_ON,
- }, {
- .name = "ldo2p9",
- .bit = BCM6318_POWER_DOMAIN_LDO2P9,
- .flags = GENPD_FLAG_ALWAYS_ON,
- }, {
- .name = "sw1p0",
- .bit = BCM6318_POWER_DOMAIN_SW1P0,
- .flags = GENPD_FLAG_ALWAYS_ON,
- }, {
- .name = "pad",
- .bit = BCM6318_POWER_DOMAIN_PAD,
- .flags = GENPD_FLAG_ALWAYS_ON,
- }, {
- /* sentinel */
- },
-};
-
-static const struct bcm63xx_power_data bcm6328_power_domains[] = {
- {
- .name = "adsl2-mips",
- .bit = BCM6328_POWER_DOMAIN_ADSL2_MIPS,
- }, {
- .name = "adsl2-phy",
- .bit = BCM6328_POWER_DOMAIN_ADSL2_PHY,
- }, {
- .name = "adsl2-afe",
- .bit = BCM6328_POWER_DOMAIN_ADSL2_AFE,
- }, {
- .name = "sar",
- .bit = BCM6328_POWER_DOMAIN_SAR,
- }, {
- .name = "pcm",
- .bit = BCM6328_POWER_DOMAIN_PCM,
- }, {
- .name = "usbd",
- .bit = BCM6328_POWER_DOMAIN_USBD,
- }, {
- .name = "usbh",
- .bit = BCM6328_POWER_DOMAIN_USBH,
- }, {
- .name = "pcie",
- .bit = BCM6328_POWER_DOMAIN_PCIE,
- }, {
- .name = "robosw",
- .bit = BCM6328_POWER_DOMAIN_ROBOSW,
- }, {
- .name = "ephy",
- .bit = BCM6328_POWER_DOMAIN_EPHY,
- }, {
- /* sentinel */
- },
-};
-
-static const struct bcm63xx_power_data bcm6362_power_domains[] = {
- {
- .name = "sar",
- .bit = BCM6362_POWER_DOMAIN_SAR,
- }, {
- .name = "ipsec",
- .bit = BCM6362_POWER_DOMAIN_IPSEC,
- }, {
- .name = "mips",
- .bit = BCM6362_POWER_DOMAIN_MIPS,
- .flags = GENPD_FLAG_ALWAYS_ON,
- }, {
- .name = "dect",
- .bit = BCM6362_POWER_DOMAIN_DECT,
- }, {
- .name = "usbh",
- .bit = BCM6362_POWER_DOMAIN_USBH,
- }, {
- .name = "usbd",
- .bit = BCM6362_POWER_DOMAIN_USBD,
- }, {
- .name = "robosw",
- .bit = BCM6362_POWER_DOMAIN_ROBOSW,
- }, {
- .name = "pcm",
- .bit = BCM6362_POWER_DOMAIN_PCM,
- }, {
- .name = "periph",
- .bit = BCM6362_POWER_DOMAIN_PERIPH,
- .flags = GENPD_FLAG_ALWAYS_ON,
- }, {
- .name = "adsl-phy",
- .bit = BCM6362_POWER_DOMAIN_ADSL_PHY,
- }, {
- .name = "gmii-pads",
- .bit = BCM6362_POWER_DOMAIN_GMII_PADS,
- }, {
- .name = "fap",
- .bit = BCM6362_POWER_DOMAIN_FAP,
- }, {
- .name = "pcie",
- .bit = BCM6362_POWER_DOMAIN_PCIE,
- }, {
- .name = "wlan-pads",
- .bit = BCM6362_POWER_DOMAIN_WLAN_PADS,
- }, {
- /* sentinel */
- },
-};
-
-static const struct bcm63xx_power_data bcm63268_power_domains[] = {
- {
- .name = "sar",
- .bit = BCM63268_POWER_DOMAIN_SAR,
- }, {
- .name = "ipsec",
- .bit = BCM63268_POWER_DOMAIN_IPSEC,
- }, {
- .name = "mips",
- .bit = BCM63268_POWER_DOMAIN_MIPS,
- .flags = GENPD_FLAG_ALWAYS_ON,
- }, {
- .name = "dect",
- .bit = BCM63268_POWER_DOMAIN_DECT,
- }, {
- .name = "usbh",
- .bit = BCM63268_POWER_DOMAIN_USBH,
- }, {
- .name = "usbd",
- .bit = BCM63268_POWER_DOMAIN_USBD,
- }, {
- .name = "robosw",
- .bit = BCM63268_POWER_DOMAIN_ROBOSW,
- }, {
- .name = "pcm",
- .bit = BCM63268_POWER_DOMAIN_PCM,
- }, {
- .name = "periph",
- .bit = BCM63268_POWER_DOMAIN_PERIPH,
- .flags = GENPD_FLAG_ALWAYS_ON,
- }, {
- .name = "vdsl-phy",
- .bit = BCM63268_POWER_DOMAIN_VDSL_PHY,
- }, {
- .name = "vdsl-mips",
- .bit = BCM63268_POWER_DOMAIN_VDSL_MIPS,
- }, {
- .name = "fap",
- .bit = BCM63268_POWER_DOMAIN_FAP,
- }, {
- .name = "pcie",
- .bit = BCM63268_POWER_DOMAIN_PCIE,
- }, {
- .name = "wlan-pads",
- .bit = BCM63268_POWER_DOMAIN_WLAN_PADS,
- }, {
- /* sentinel */
- },
-};
-
-static const struct of_device_id bcm63xx_power_of_match[] = {
- {
- .compatible = "brcm,bcm6318-power-controller",
- .data = &bcm6318_power_domains,
- }, {
- .compatible = "brcm,bcm6328-power-controller",
- .data = &bcm6328_power_domains,
- }, {
- .compatible = "brcm,bcm6362-power-controller",
- .data = &bcm6362_power_domains,
- }, {
- .compatible = "brcm,bcm63268-power-controller",
- .data = &bcm63268_power_domains,
- }, {
- /* sentinel */
- }
-};
-
-static struct platform_driver bcm63xx_power_driver = {
- .driver = {
- .name = "bcm63xx-power-controller",
- .of_match_table = bcm63xx_power_of_match,
- },
- .probe = bcm63xx_power_probe,
-};
-builtin_platform_driver(bcm63xx_power_driver);
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/* (C) 2015 Pengutronix, Alexander Aring <aar@pengutronix.de>
- *
- * Authors:
- * Alexander Aring <aar@pengutronix.de>
- * Eric Anholt <eric@anholt.net>
- */
-
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <dt-bindings/power/raspberrypi-power.h>
-#include <soc/bcm2835/raspberrypi-firmware.h>
-
-/*
- * Firmware indices for the old power domains interface. Only a few
- * of them were actually implemented.
- */
-#define RPI_OLD_POWER_DOMAIN_USB 3
-#define RPI_OLD_POWER_DOMAIN_V3D 10
-
-struct rpi_power_domain {
- u32 domain;
- bool enabled;
- bool old_interface;
- struct generic_pm_domain base;
- struct rpi_firmware *fw;
-};
-
-struct rpi_power_domains {
- bool has_new_interface;
- struct genpd_onecell_data xlate;
- struct rpi_firmware *fw;
- struct rpi_power_domain domains[RPI_POWER_DOMAIN_COUNT];
-};
-
-/*
- * Packet definition used by RPI_FIRMWARE_SET_POWER_STATE and
- * RPI_FIRMWARE_SET_DOMAIN_STATE
- */
-struct rpi_power_domain_packet {
- u32 domain;
- u32 on;
-};
-
-/*
- * Asks the firmware to enable or disable power on a specific power
- * domain.
- */
-static int rpi_firmware_set_power(struct rpi_power_domain *rpi_domain, bool on)
-{
- struct rpi_power_domain_packet packet;
-
- packet.domain = rpi_domain->domain;
- packet.on = on;
- return rpi_firmware_property(rpi_domain->fw,
- rpi_domain->old_interface ?
- RPI_FIRMWARE_SET_POWER_STATE :
- RPI_FIRMWARE_SET_DOMAIN_STATE,
- &packet, sizeof(packet));
-}
-
-static int rpi_domain_off(struct generic_pm_domain *domain)
-{
- struct rpi_power_domain *rpi_domain =
- container_of(domain, struct rpi_power_domain, base);
-
- return rpi_firmware_set_power(rpi_domain, false);
-}
-
-static int rpi_domain_on(struct generic_pm_domain *domain)
-{
- struct rpi_power_domain *rpi_domain =
- container_of(domain, struct rpi_power_domain, base);
-
- return rpi_firmware_set_power(rpi_domain, true);
-}
-
-static void rpi_common_init_power_domain(struct rpi_power_domains *rpi_domains,
- int xlate_index, const char *name)
-{
- struct rpi_power_domain *dom = &rpi_domains->domains[xlate_index];
-
- dom->fw = rpi_domains->fw;
-
- dom->base.name = name;
- dom->base.power_on = rpi_domain_on;
- dom->base.power_off = rpi_domain_off;
-
- /*
- * Treat all power domains as off at boot.
- *
- * The firmware itself may be keeping some domains on, but
- * from Linux's perspective all we control is the refcounts
- * that we give to the firmware, and we can't ask the firmware
- * to turn off something that we haven't ourselves turned on.
- */
- pm_genpd_init(&dom->base, NULL, true);
-
- rpi_domains->xlate.domains[xlate_index] = &dom->base;
-}
-
-static void rpi_init_power_domain(struct rpi_power_domains *rpi_domains,
- int xlate_index, const char *name)
-{
- struct rpi_power_domain *dom = &rpi_domains->domains[xlate_index];
-
- if (!rpi_domains->has_new_interface)
- return;
-
- /* The DT binding index is the firmware's domain index minus one. */
- dom->domain = xlate_index + 1;
-
- rpi_common_init_power_domain(rpi_domains, xlate_index, name);
-}
-
-static void rpi_init_old_power_domain(struct rpi_power_domains *rpi_domains,
- int xlate_index, int domain,
- const char *name)
-{
- struct rpi_power_domain *dom = &rpi_domains->domains[xlate_index];
-
- dom->old_interface = true;
- dom->domain = domain;
-
- rpi_common_init_power_domain(rpi_domains, xlate_index, name);
-}
-
-/*
- * Detects whether the firmware supports the new power domains interface.
- *
- * The firmware doesn't actually return an error on an unknown tag,
- * and just skips over it, so we do the detection by putting an
- * unexpected value in the return field and checking if it was
- * unchanged.
- */
-static bool
-rpi_has_new_domain_support(struct rpi_power_domains *rpi_domains)
-{
- struct rpi_power_domain_packet packet;
- int ret;
-
- packet.domain = RPI_POWER_DOMAIN_ARM;
- packet.on = ~0;
-
- ret = rpi_firmware_property(rpi_domains->fw,
- RPI_FIRMWARE_GET_DOMAIN_STATE,
- &packet, sizeof(packet));
-
- return ret == 0 && packet.on != ~0;
-}
-
-static int rpi_power_probe(struct platform_device *pdev)
-{
- struct device_node *fw_np;
- struct device *dev = &pdev->dev;
- struct rpi_power_domains *rpi_domains;
-
- rpi_domains = devm_kzalloc(dev, sizeof(*rpi_domains), GFP_KERNEL);
- if (!rpi_domains)
- return -ENOMEM;
-
- rpi_domains->xlate.domains =
- devm_kcalloc(dev,
- RPI_POWER_DOMAIN_COUNT,
- sizeof(*rpi_domains->xlate.domains),
- GFP_KERNEL);
- if (!rpi_domains->xlate.domains)
- return -ENOMEM;
-
- rpi_domains->xlate.num_domains = RPI_POWER_DOMAIN_COUNT;
-
- fw_np = of_parse_phandle(pdev->dev.of_node, "firmware", 0);
- if (!fw_np) {
- dev_err(&pdev->dev, "no firmware node\n");
- return -ENODEV;
- }
-
- rpi_domains->fw = devm_rpi_firmware_get(&pdev->dev, fw_np);
- of_node_put(fw_np);
- if (!rpi_domains->fw)
- return -EPROBE_DEFER;
-
- rpi_domains->has_new_interface =
- rpi_has_new_domain_support(rpi_domains);
-
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_I2C0, "I2C0");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_I2C1, "I2C1");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_I2C2, "I2C2");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_VIDEO_SCALER,
- "VIDEO_SCALER");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_VPU1, "VPU1");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_HDMI, "HDMI");
-
- /*
- * Use the old firmware interface for USB power, so that we
- * can turn it on even if the firmware hasn't been updated.
- */
- rpi_init_old_power_domain(rpi_domains, RPI_POWER_DOMAIN_USB,
- RPI_OLD_POWER_DOMAIN_USB, "USB");
-
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_VEC, "VEC");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_JPEG, "JPEG");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_H264, "H264");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_V3D, "V3D");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_ISP, "ISP");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_UNICAM0, "UNICAM0");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_UNICAM1, "UNICAM1");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_CCP2RX, "CCP2RX");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_CSI2, "CSI2");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_CPI, "CPI");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_DSI0, "DSI0");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_DSI1, "DSI1");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_TRANSPOSER,
- "TRANSPOSER");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_CCP2TX, "CCP2TX");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_CDP, "CDP");
- rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_ARM, "ARM");
-
- of_genpd_add_provider_onecell(dev->of_node, &rpi_domains->xlate);
-
- platform_set_drvdata(pdev, rpi_domains);
-
- return 0;
-}
-
-static const struct of_device_id rpi_power_of_match[] = {
- { .compatible = "raspberrypi,bcm2835-power", },
- {},
-};
-MODULE_DEVICE_TABLE(of, rpi_power_of_match);
-
-static struct platform_driver rpi_power_driver = {
- .driver = {
- .name = "raspberrypi-power",
- .of_match_table = rpi_power_of_match,
- },
- .probe = rpi_power_probe,
-};
-builtin_platform_driver(rpi_power_driver);
-
-MODULE_AUTHOR("Alexander Aring <aar@pengutronix.de>");
-MODULE_AUTHOR("Eric Anholt <eric@anholt.net>");
-MODULE_DESCRIPTION("Raspberry Pi power domain driver");
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_HAVE_IMX_GPC) += gpc.o
-obj-$(CONFIG_IMX_GPCV2_PM_DOMAINS) += gpcv2.o
-obj-$(CONFIG_IMX_SCU_PD) += scu-pd.o
-obj-$(CONFIG_IMX8M_BLK_CTRL) += imx8m-blk-ctrl.o
-obj-$(CONFIG_IMX8M_BLK_CTRL) += imx8mp-blk-ctrl.o
-obj-$(CONFIG_SOC_IMX9) += imx93-pd.o
-obj-$(CONFIG_IMX9_BLK_CTRL) += imx93-blk-ctrl.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright 2015-2017 Pengutronix, Lucas Stach <kernel@pengutronix.de>
- * Copyright 2011-2013 Freescale Semiconductor, Inc.
- */
-
-#include <linux/clk.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/of_device.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/regmap.h>
-#include <linux/regulator/consumer.h>
-
-#define GPC_CNTR 0x000
-
-#define GPC_PGC_CTRL_OFFS 0x0
-#define GPC_PGC_PUPSCR_OFFS 0x4
-#define GPC_PGC_PDNSCR_OFFS 0x8
-#define GPC_PGC_SW2ISO_SHIFT 0x8
-#define GPC_PGC_SW_SHIFT 0x0
-
-#define GPC_PGC_PCI_PDN 0x200
-#define GPC_PGC_PCI_SR 0x20c
-
-#define GPC_PGC_GPU_PDN 0x260
-#define GPC_PGC_GPU_PUPSCR 0x264
-#define GPC_PGC_GPU_PDNSCR 0x268
-#define GPC_PGC_GPU_SR 0x26c
-
-#define GPC_PGC_DISP_PDN 0x240
-#define GPC_PGC_DISP_SR 0x24c
-
-#define GPU_VPU_PUP_REQ BIT(1)
-#define GPU_VPU_PDN_REQ BIT(0)
-
-#define GPC_CLK_MAX 7
-
-#define PGC_DOMAIN_FLAG_NO_PD BIT(0)
-
-struct imx_pm_domain {
- struct generic_pm_domain base;
- struct regmap *regmap;
- struct regulator *supply;
- struct clk *clk[GPC_CLK_MAX];
- int num_clks;
- unsigned int reg_offs;
- signed char cntr_pdn_bit;
- unsigned int ipg_rate_mhz;
-};
-
-static inline struct imx_pm_domain *
-to_imx_pm_domain(struct generic_pm_domain *genpd)
-{
- return container_of(genpd, struct imx_pm_domain, base);
-}
-
-static int imx6_pm_domain_power_off(struct generic_pm_domain *genpd)
-{
- struct imx_pm_domain *pd = to_imx_pm_domain(genpd);
- int iso, iso2sw;
- u32 val;
-
- /* Read ISO and ISO2SW power down delays */
- regmap_read(pd->regmap, pd->reg_offs + GPC_PGC_PDNSCR_OFFS, &val);
- iso = val & 0x3f;
- iso2sw = (val >> 8) & 0x3f;
-
- /* Gate off domain when powered down */
- regmap_update_bits(pd->regmap, pd->reg_offs + GPC_PGC_CTRL_OFFS,
- 0x1, 0x1);
-
- /* Request GPC to power down domain */
- val = BIT(pd->cntr_pdn_bit);
- regmap_update_bits(pd->regmap, GPC_CNTR, val, val);
-
- /* Wait ISO + ISO2SW IPG clock cycles */
- udelay(DIV_ROUND_UP(iso + iso2sw, pd->ipg_rate_mhz));
-
- if (pd->supply)
- regulator_disable(pd->supply);
-
- return 0;
-}
-
-static int imx6_pm_domain_power_on(struct generic_pm_domain *genpd)
-{
- struct imx_pm_domain *pd = to_imx_pm_domain(genpd);
- int i, ret;
- u32 val, req;
-
- if (pd->supply) {
- ret = regulator_enable(pd->supply);
- if (ret) {
- pr_err("%s: failed to enable regulator: %d\n",
- __func__, ret);
- return ret;
- }
- }
-
- /* Enable reset clocks for all devices in the domain */
- for (i = 0; i < pd->num_clks; i++)
- clk_prepare_enable(pd->clk[i]);
-
- /* Gate off domain when powered down */
- regmap_update_bits(pd->regmap, pd->reg_offs + GPC_PGC_CTRL_OFFS,
- 0x1, 0x1);
-
- /* Request GPC to power up domain */
- req = BIT(pd->cntr_pdn_bit + 1);
- regmap_update_bits(pd->regmap, GPC_CNTR, req, req);
-
- /* Wait for the PGC to handle the request */
- ret = regmap_read_poll_timeout(pd->regmap, GPC_CNTR, val, !(val & req),
- 1, 50);
- if (ret)
- pr_err("powerup request on domain %s timed out\n", genpd->name);
-
- /* Wait for reset to propagate through peripherals */
- usleep_range(5, 10);
-
- /* Disable reset clocks for all devices in the domain */
- for (i = 0; i < pd->num_clks; i++)
- clk_disable_unprepare(pd->clk[i]);
-
- return 0;
-}
-
-static int imx_pgc_get_clocks(struct device *dev, struct imx_pm_domain *domain)
-{
- int i, ret;
-
- for (i = 0; ; i++) {
- struct clk *clk = of_clk_get(dev->of_node, i);
- if (IS_ERR(clk))
- break;
- if (i >= GPC_CLK_MAX) {
- dev_err(dev, "more than %d clocks\n", GPC_CLK_MAX);
- ret = -EINVAL;
- goto clk_err;
- }
- domain->clk[i] = clk;
- }
- domain->num_clks = i;
-
- return 0;
-
-clk_err:
- while (i--)
- clk_put(domain->clk[i]);
-
- return ret;
-}
-
-static void imx_pgc_put_clocks(struct imx_pm_domain *domain)
-{
- int i;
-
- for (i = domain->num_clks - 1; i >= 0; i--)
- clk_put(domain->clk[i]);
-}
-
-static int imx_pgc_parse_dt(struct device *dev, struct imx_pm_domain *domain)
-{
- /* try to get the domain supply regulator */
- domain->supply = devm_regulator_get_optional(dev, "power");
- if (IS_ERR(domain->supply)) {
- if (PTR_ERR(domain->supply) == -ENODEV)
- domain->supply = NULL;
- else
- return PTR_ERR(domain->supply);
- }
-
- /* try to get all clocks needed for reset propagation */
- return imx_pgc_get_clocks(dev, domain);
-}
-
-static int imx_pgc_power_domain_probe(struct platform_device *pdev)
-{
- struct imx_pm_domain *domain = pdev->dev.platform_data;
- struct device *dev = &pdev->dev;
- int ret;
-
- /* if this PD is associated with a DT node try to parse it */
- if (dev->of_node) {
- ret = imx_pgc_parse_dt(dev, domain);
- if (ret)
- return ret;
- }
-
- /* initially power on the domain */
- if (domain->base.power_on)
- domain->base.power_on(&domain->base);
-
- if (IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS)) {
- pm_genpd_init(&domain->base, NULL, false);
- ret = of_genpd_add_provider_simple(dev->of_node, &domain->base);
- if (ret)
- goto genpd_err;
- }
-
- device_link_add(dev, dev->parent, DL_FLAG_AUTOREMOVE_CONSUMER);
-
- return 0;
-
-genpd_err:
- pm_genpd_remove(&domain->base);
- imx_pgc_put_clocks(domain);
-
- return ret;
-}
-
-static int imx_pgc_power_domain_remove(struct platform_device *pdev)
-{
- struct imx_pm_domain *domain = pdev->dev.platform_data;
-
- if (IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS)) {
- of_genpd_del_provider(pdev->dev.of_node);
- pm_genpd_remove(&domain->base);
- imx_pgc_put_clocks(domain);
- }
-
- return 0;
-}
-
-static const struct platform_device_id imx_pgc_power_domain_id[] = {
- { "imx-pgc-power-domain"},
- { },
-};
-
-static struct platform_driver imx_pgc_power_domain_driver = {
- .driver = {
- .name = "imx-pgc-pd",
- },
- .probe = imx_pgc_power_domain_probe,
- .remove = imx_pgc_power_domain_remove,
- .id_table = imx_pgc_power_domain_id,
-};
-builtin_platform_driver(imx_pgc_power_domain_driver)
-
-#define GPC_PGC_DOMAIN_ARM 0
-#define GPC_PGC_DOMAIN_PU 1
-#define GPC_PGC_DOMAIN_DISPLAY 2
-#define GPC_PGC_DOMAIN_PCI 3
-
-static struct genpd_power_state imx6_pm_domain_pu_state = {
- .power_off_latency_ns = 25000,
- .power_on_latency_ns = 2000000,
-};
-
-static struct imx_pm_domain imx_gpc_domains[] = {
- [GPC_PGC_DOMAIN_ARM] = {
- .base = {
- .name = "ARM",
- .flags = GENPD_FLAG_ALWAYS_ON,
- },
- },
- [GPC_PGC_DOMAIN_PU] = {
- .base = {
- .name = "PU",
- .power_off = imx6_pm_domain_power_off,
- .power_on = imx6_pm_domain_power_on,
- .states = &imx6_pm_domain_pu_state,
- .state_count = 1,
- },
- .reg_offs = 0x260,
- .cntr_pdn_bit = 0,
- },
- [GPC_PGC_DOMAIN_DISPLAY] = {
- .base = {
- .name = "DISPLAY",
- .power_off = imx6_pm_domain_power_off,
- .power_on = imx6_pm_domain_power_on,
- },
- .reg_offs = 0x240,
- .cntr_pdn_bit = 4,
- },
- [GPC_PGC_DOMAIN_PCI] = {
- .base = {
- .name = "PCI",
- .power_off = imx6_pm_domain_power_off,
- .power_on = imx6_pm_domain_power_on,
- },
- .reg_offs = 0x200,
- .cntr_pdn_bit = 6,
- },
-};
-
-struct imx_gpc_dt_data {
- int num_domains;
- bool err009619_present;
- bool err006287_present;
-};
-
-static const struct imx_gpc_dt_data imx6q_dt_data = {
- .num_domains = 2,
- .err009619_present = false,
- .err006287_present = false,
-};
-
-static const struct imx_gpc_dt_data imx6qp_dt_data = {
- .num_domains = 2,
- .err009619_present = true,
- .err006287_present = false,
-};
-
-static const struct imx_gpc_dt_data imx6sl_dt_data = {
- .num_domains = 3,
- .err009619_present = false,
- .err006287_present = true,
-};
-
-static const struct imx_gpc_dt_data imx6sx_dt_data = {
- .num_domains = 4,
- .err009619_present = false,
- .err006287_present = false,
-};
-
-static const struct of_device_id imx_gpc_dt_ids[] = {
- { .compatible = "fsl,imx6q-gpc", .data = &imx6q_dt_data },
- { .compatible = "fsl,imx6qp-gpc", .data = &imx6qp_dt_data },
- { .compatible = "fsl,imx6sl-gpc", .data = &imx6sl_dt_data },
- { .compatible = "fsl,imx6sx-gpc", .data = &imx6sx_dt_data },
- { }
-};
-
-static const struct regmap_range yes_ranges[] = {
- regmap_reg_range(GPC_CNTR, GPC_CNTR),
- regmap_reg_range(GPC_PGC_PCI_PDN, GPC_PGC_PCI_SR),
- regmap_reg_range(GPC_PGC_GPU_PDN, GPC_PGC_GPU_SR),
- regmap_reg_range(GPC_PGC_DISP_PDN, GPC_PGC_DISP_SR),
-};
-
-static const struct regmap_access_table access_table = {
- .yes_ranges = yes_ranges,
- .n_yes_ranges = ARRAY_SIZE(yes_ranges),
-};
-
-static const struct regmap_config imx_gpc_regmap_config = {
- .reg_bits = 32,
- .val_bits = 32,
- .reg_stride = 4,
- .rd_table = &access_table,
- .wr_table = &access_table,
- .max_register = 0x2ac,
- .fast_io = true,
-};
-
-static struct generic_pm_domain *imx_gpc_onecell_domains[] = {
- &imx_gpc_domains[GPC_PGC_DOMAIN_ARM].base,
- &imx_gpc_domains[GPC_PGC_DOMAIN_PU].base,
-};
-
-static struct genpd_onecell_data imx_gpc_onecell_data = {
- .domains = imx_gpc_onecell_domains,
- .num_domains = 2,
-};
-
-static int imx_gpc_old_dt_init(struct device *dev, struct regmap *regmap,
- unsigned int num_domains)
-{
- struct imx_pm_domain *domain;
- int i, ret;
-
- for (i = 0; i < num_domains; i++) {
- domain = &imx_gpc_domains[i];
- domain->regmap = regmap;
- domain->ipg_rate_mhz = 66;
-
- if (i == 1) {
- domain->supply = devm_regulator_get(dev, "pu");
- if (IS_ERR(domain->supply))
- return PTR_ERR(domain->supply);
-
- ret = imx_pgc_get_clocks(dev, domain);
- if (ret)
- goto clk_err;
-
- domain->base.power_on(&domain->base);
- }
- }
-
- for (i = 0; i < num_domains; i++)
- pm_genpd_init(&imx_gpc_domains[i].base, NULL, false);
-
- if (IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS)) {
- ret = of_genpd_add_provider_onecell(dev->of_node,
- &imx_gpc_onecell_data);
- if (ret)
- goto genpd_err;
- }
-
- return 0;
-
-genpd_err:
- for (i = 0; i < num_domains; i++)
- pm_genpd_remove(&imx_gpc_domains[i].base);
- imx_pgc_put_clocks(&imx_gpc_domains[GPC_PGC_DOMAIN_PU]);
-clk_err:
- return ret;
-}
-
-static int imx_gpc_probe(struct platform_device *pdev)
-{
- const struct of_device_id *of_id =
- of_match_device(imx_gpc_dt_ids, &pdev->dev);
- const struct imx_gpc_dt_data *of_id_data = of_id->data;
- struct device_node *pgc_node;
- struct regmap *regmap;
- void __iomem *base;
- int ret;
-
- pgc_node = of_get_child_by_name(pdev->dev.of_node, "pgc");
-
- /* bail out if DT too old and doesn't provide the necessary info */
- if (!of_property_read_bool(pdev->dev.of_node, "#power-domain-cells") &&
- !pgc_node)
- return 0;
-
- base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(base))
- return PTR_ERR(base);
-
- regmap = devm_regmap_init_mmio_clk(&pdev->dev, NULL, base,
- &imx_gpc_regmap_config);
- if (IS_ERR(regmap)) {
- ret = PTR_ERR(regmap);
- dev_err(&pdev->dev, "failed to init regmap: %d\n",
- ret);
- return ret;
- }
-
- /*
- * Disable PU power down by runtime PM if ERR009619 is present.
- *
- * The PRE clock will be paused for several cycles when turning on the
- * PU domain LDO from power down state. If PRE is in use at that time,
- * the IPU/PRG cannot get the correct display data from the PRE.
- *
- * This is not a concern when the whole system enters suspend state, so
- * it's safe to power down PU in this case.
- */
- if (of_id_data->err009619_present)
- imx_gpc_domains[GPC_PGC_DOMAIN_PU].base.flags |=
- GENPD_FLAG_RPM_ALWAYS_ON;
-
- /* Keep DISP always on if ERR006287 is present */
- if (of_id_data->err006287_present)
- imx_gpc_domains[GPC_PGC_DOMAIN_DISPLAY].base.flags |=
- GENPD_FLAG_ALWAYS_ON;
-
- if (!pgc_node) {
- ret = imx_gpc_old_dt_init(&pdev->dev, regmap,
- of_id_data->num_domains);
- if (ret)
- return ret;
- } else {
- struct imx_pm_domain *domain;
- struct platform_device *pd_pdev;
- struct device_node *np;
- struct clk *ipg_clk;
- unsigned int ipg_rate_mhz;
- int domain_index;
-
- ipg_clk = devm_clk_get(&pdev->dev, "ipg");
- if (IS_ERR(ipg_clk))
- return PTR_ERR(ipg_clk);
- ipg_rate_mhz = clk_get_rate(ipg_clk) / 1000000;
-
- for_each_child_of_node(pgc_node, np) {
- ret = of_property_read_u32(np, "reg", &domain_index);
- if (ret) {
- of_node_put(np);
- return ret;
- }
- if (domain_index >= of_id_data->num_domains)
- continue;
-
- pd_pdev = platform_device_alloc("imx-pgc-power-domain",
- domain_index);
- if (!pd_pdev) {
- of_node_put(np);
- return -ENOMEM;
- }
-
- ret = platform_device_add_data(pd_pdev,
- &imx_gpc_domains[domain_index],
- sizeof(imx_gpc_domains[domain_index]));
- if (ret) {
- platform_device_put(pd_pdev);
- of_node_put(np);
- return ret;
- }
- domain = pd_pdev->dev.platform_data;
- domain->regmap = regmap;
- domain->ipg_rate_mhz = ipg_rate_mhz;
-
- pd_pdev->dev.parent = &pdev->dev;
- pd_pdev->dev.of_node = np;
-
- ret = platform_device_add(pd_pdev);
- if (ret) {
- platform_device_put(pd_pdev);
- of_node_put(np);
- return ret;
- }
- }
- }
-
- return 0;
-}
-
-static int imx_gpc_remove(struct platform_device *pdev)
-{
- struct device_node *pgc_node;
- int ret;
-
- pgc_node = of_get_child_by_name(pdev->dev.of_node, "pgc");
-
- /* bail out if DT too old and doesn't provide the necessary info */
- if (!of_property_read_bool(pdev->dev.of_node, "#power-domain-cells") &&
- !pgc_node)
- return 0;
-
- /*
- * If the old DT binding is used the toplevel driver needs to
- * de-register the power domains
- */
- if (!pgc_node) {
- of_genpd_del_provider(pdev->dev.of_node);
-
- ret = pm_genpd_remove(&imx_gpc_domains[GPC_PGC_DOMAIN_PU].base);
- if (ret)
- return ret;
- imx_pgc_put_clocks(&imx_gpc_domains[GPC_PGC_DOMAIN_PU]);
-
- ret = pm_genpd_remove(&imx_gpc_domains[GPC_PGC_DOMAIN_ARM].base);
- if (ret)
- return ret;
- }
-
- return 0;
-}
-
-static struct platform_driver imx_gpc_driver = {
- .driver = {
- .name = "imx-gpc",
- .of_match_table = imx_gpc_dt_ids,
- },
- .probe = imx_gpc_probe,
- .remove = imx_gpc_remove,
-};
-builtin_platform_driver(imx_gpc_driver)
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright 2017 Impinj, Inc
- * Author: Andrey Smirnov <andrew.smirnov@gmail.com>
- *
- * Based on the code of analogus driver:
- *
- * Copyright 2015-2017 Pengutronix, Lucas Stach <kernel@pengutronix.de>
- */
-
-#include <linux/clk.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/pm_runtime.h>
-#include <linux/regmap.h>
-#include <linux/regulator/consumer.h>
-#include <linux/reset.h>
-#include <linux/sizes.h>
-#include <dt-bindings/power/imx7-power.h>
-#include <dt-bindings/power/imx8mq-power.h>
-#include <dt-bindings/power/imx8mm-power.h>
-#include <dt-bindings/power/imx8mn-power.h>
-#include <dt-bindings/power/imx8mp-power.h>
-
-#define GPC_LPCR_A_CORE_BSC 0x000
-
-#define GPC_PGC_CPU_MAPPING 0x0ec
-#define IMX8MP_GPC_PGC_CPU_MAPPING 0x1cc
-
-#define IMX7_USB_HSIC_PHY_A_CORE_DOMAIN BIT(6)
-#define IMX7_USB_OTG2_PHY_A_CORE_DOMAIN BIT(5)
-#define IMX7_USB_OTG1_PHY_A_CORE_DOMAIN BIT(4)
-#define IMX7_PCIE_PHY_A_CORE_DOMAIN BIT(3)
-#define IMX7_MIPI_PHY_A_CORE_DOMAIN BIT(2)
-
-#define IMX8M_PCIE2_A53_DOMAIN BIT(15)
-#define IMX8M_MIPI_CSI2_A53_DOMAIN BIT(14)
-#define IMX8M_MIPI_CSI1_A53_DOMAIN BIT(13)
-#define IMX8M_DISP_A53_DOMAIN BIT(12)
-#define IMX8M_HDMI_A53_DOMAIN BIT(11)
-#define IMX8M_VPU_A53_DOMAIN BIT(10)
-#define IMX8M_GPU_A53_DOMAIN BIT(9)
-#define IMX8M_DDR2_A53_DOMAIN BIT(8)
-#define IMX8M_DDR1_A53_DOMAIN BIT(7)
-#define IMX8M_OTG2_A53_DOMAIN BIT(5)
-#define IMX8M_OTG1_A53_DOMAIN BIT(4)
-#define IMX8M_PCIE1_A53_DOMAIN BIT(3)
-#define IMX8M_MIPI_A53_DOMAIN BIT(2)
-
-#define IMX8MM_VPUH1_A53_DOMAIN BIT(15)
-#define IMX8MM_VPUG2_A53_DOMAIN BIT(14)
-#define IMX8MM_VPUG1_A53_DOMAIN BIT(13)
-#define IMX8MM_DISPMIX_A53_DOMAIN BIT(12)
-#define IMX8MM_VPUMIX_A53_DOMAIN BIT(10)
-#define IMX8MM_GPUMIX_A53_DOMAIN BIT(9)
-#define IMX8MM_GPU_A53_DOMAIN (BIT(8) | BIT(11))
-#define IMX8MM_DDR1_A53_DOMAIN BIT(7)
-#define IMX8MM_OTG2_A53_DOMAIN BIT(5)
-#define IMX8MM_OTG1_A53_DOMAIN BIT(4)
-#define IMX8MM_PCIE_A53_DOMAIN BIT(3)
-#define IMX8MM_MIPI_A53_DOMAIN BIT(2)
-
-#define IMX8MN_DISPMIX_A53_DOMAIN BIT(12)
-#define IMX8MN_GPUMIX_A53_DOMAIN BIT(9)
-#define IMX8MN_DDR1_A53_DOMAIN BIT(7)
-#define IMX8MN_OTG1_A53_DOMAIN BIT(4)
-#define IMX8MN_MIPI_A53_DOMAIN BIT(2)
-
-#define IMX8MP_MEDIA_ISPDWP_A53_DOMAIN BIT(20)
-#define IMX8MP_HSIOMIX_A53_DOMAIN BIT(19)
-#define IMX8MP_MIPI_PHY2_A53_DOMAIN BIT(18)
-#define IMX8MP_HDMI_PHY_A53_DOMAIN BIT(17)
-#define IMX8MP_HDMIMIX_A53_DOMAIN BIT(16)
-#define IMX8MP_VPU_VC8000E_A53_DOMAIN BIT(15)
-#define IMX8MP_VPU_G2_A53_DOMAIN BIT(14)
-#define IMX8MP_VPU_G1_A53_DOMAIN BIT(13)
-#define IMX8MP_MEDIAMIX_A53_DOMAIN BIT(12)
-#define IMX8MP_GPU3D_A53_DOMAIN BIT(11)
-#define IMX8MP_VPUMIX_A53_DOMAIN BIT(10)
-#define IMX8MP_GPUMIX_A53_DOMAIN BIT(9)
-#define IMX8MP_GPU2D_A53_DOMAIN BIT(8)
-#define IMX8MP_AUDIOMIX_A53_DOMAIN BIT(7)
-#define IMX8MP_MLMIX_A53_DOMAIN BIT(6)
-#define IMX8MP_USB2_PHY_A53_DOMAIN BIT(5)
-#define IMX8MP_USB1_PHY_A53_DOMAIN BIT(4)
-#define IMX8MP_PCIE_PHY_A53_DOMAIN BIT(3)
-#define IMX8MP_MIPI_PHY1_A53_DOMAIN BIT(2)
-
-#define IMX8MP_GPC_PU_PGC_SW_PUP_REQ 0x0d8
-#define IMX8MP_GPC_PU_PGC_SW_PDN_REQ 0x0e4
-
-#define GPC_PU_PGC_SW_PUP_REQ 0x0f8
-#define GPC_PU_PGC_SW_PDN_REQ 0x104
-
-#define IMX7_USB_HSIC_PHY_SW_Pxx_REQ BIT(4)
-#define IMX7_USB_OTG2_PHY_SW_Pxx_REQ BIT(3)
-#define IMX7_USB_OTG1_PHY_SW_Pxx_REQ BIT(2)
-#define IMX7_PCIE_PHY_SW_Pxx_REQ BIT(1)
-#define IMX7_MIPI_PHY_SW_Pxx_REQ BIT(0)
-
-#define IMX8M_PCIE2_SW_Pxx_REQ BIT(13)
-#define IMX8M_MIPI_CSI2_SW_Pxx_REQ BIT(12)
-#define IMX8M_MIPI_CSI1_SW_Pxx_REQ BIT(11)
-#define IMX8M_DISP_SW_Pxx_REQ BIT(10)
-#define IMX8M_HDMI_SW_Pxx_REQ BIT(9)
-#define IMX8M_VPU_SW_Pxx_REQ BIT(8)
-#define IMX8M_GPU_SW_Pxx_REQ BIT(7)
-#define IMX8M_DDR2_SW_Pxx_REQ BIT(6)
-#define IMX8M_DDR1_SW_Pxx_REQ BIT(5)
-#define IMX8M_OTG2_SW_Pxx_REQ BIT(3)
-#define IMX8M_OTG1_SW_Pxx_REQ BIT(2)
-#define IMX8M_PCIE1_SW_Pxx_REQ BIT(1)
-#define IMX8M_MIPI_SW_Pxx_REQ BIT(0)
-
-#define IMX8MM_VPUH1_SW_Pxx_REQ BIT(13)
-#define IMX8MM_VPUG2_SW_Pxx_REQ BIT(12)
-#define IMX8MM_VPUG1_SW_Pxx_REQ BIT(11)
-#define IMX8MM_DISPMIX_SW_Pxx_REQ BIT(10)
-#define IMX8MM_VPUMIX_SW_Pxx_REQ BIT(8)
-#define IMX8MM_GPUMIX_SW_Pxx_REQ BIT(7)
-#define IMX8MM_GPU_SW_Pxx_REQ (BIT(6) | BIT(9))
-#define IMX8MM_DDR1_SW_Pxx_REQ BIT(5)
-#define IMX8MM_OTG2_SW_Pxx_REQ BIT(3)
-#define IMX8MM_OTG1_SW_Pxx_REQ BIT(2)
-#define IMX8MM_PCIE_SW_Pxx_REQ BIT(1)
-#define IMX8MM_MIPI_SW_Pxx_REQ BIT(0)
-
-#define IMX8MN_DISPMIX_SW_Pxx_REQ BIT(10)
-#define IMX8MN_GPUMIX_SW_Pxx_REQ BIT(7)
-#define IMX8MN_DDR1_SW_Pxx_REQ BIT(5)
-#define IMX8MN_OTG1_SW_Pxx_REQ BIT(2)
-#define IMX8MN_MIPI_SW_Pxx_REQ BIT(0)
-
-#define IMX8MP_DDRMIX_Pxx_REQ BIT(19)
-#define IMX8MP_MEDIA_ISP_DWP_Pxx_REQ BIT(18)
-#define IMX8MP_HSIOMIX_Pxx_REQ BIT(17)
-#define IMX8MP_MIPI_PHY2_Pxx_REQ BIT(16)
-#define IMX8MP_HDMI_PHY_Pxx_REQ BIT(15)
-#define IMX8MP_HDMIMIX_Pxx_REQ BIT(14)
-#define IMX8MP_VPU_VC8K_Pxx_REQ BIT(13)
-#define IMX8MP_VPU_G2_Pxx_REQ BIT(12)
-#define IMX8MP_VPU_G1_Pxx_REQ BIT(11)
-#define IMX8MP_MEDIMIX_Pxx_REQ BIT(10)
-#define IMX8MP_GPU_3D_Pxx_REQ BIT(9)
-#define IMX8MP_VPU_MIX_SHARE_LOGIC_Pxx_REQ BIT(8)
-#define IMX8MP_GPU_SHARE_LOGIC_Pxx_REQ BIT(7)
-#define IMX8MP_GPU_2D_Pxx_REQ BIT(6)
-#define IMX8MP_AUDIOMIX_Pxx_REQ BIT(5)
-#define IMX8MP_MLMIX_Pxx_REQ BIT(4)
-#define IMX8MP_USB2_PHY_Pxx_REQ BIT(3)
-#define IMX8MP_USB1_PHY_Pxx_REQ BIT(2)
-#define IMX8MP_PCIE_PHY_SW_Pxx_REQ BIT(1)
-#define IMX8MP_MIPI_PHY1_SW_Pxx_REQ BIT(0)
-
-#define GPC_M4_PU_PDN_FLG 0x1bc
-
-#define IMX8MP_GPC_PU_PWRHSK 0x190
-#define GPC_PU_PWRHSK 0x1fc
-
-#define IMX8M_GPU_HSK_PWRDNACKN BIT(26)
-#define IMX8M_VPU_HSK_PWRDNACKN BIT(25)
-#define IMX8M_DISP_HSK_PWRDNACKN BIT(24)
-#define IMX8M_GPU_HSK_PWRDNREQN BIT(6)
-#define IMX8M_VPU_HSK_PWRDNREQN BIT(5)
-#define IMX8M_DISP_HSK_PWRDNREQN BIT(4)
-
-#define IMX8MM_GPUMIX_HSK_PWRDNACKN BIT(29)
-#define IMX8MM_GPU_HSK_PWRDNACKN (BIT(27) | BIT(28))
-#define IMX8MM_VPUMIX_HSK_PWRDNACKN BIT(26)
-#define IMX8MM_DISPMIX_HSK_PWRDNACKN BIT(25)
-#define IMX8MM_HSIO_HSK_PWRDNACKN (BIT(23) | BIT(24))
-#define IMX8MM_GPUMIX_HSK_PWRDNREQN BIT(11)
-#define IMX8MM_GPU_HSK_PWRDNREQN (BIT(9) | BIT(10))
-#define IMX8MM_VPUMIX_HSK_PWRDNREQN BIT(8)
-#define IMX8MM_DISPMIX_HSK_PWRDNREQN BIT(7)
-#define IMX8MM_HSIO_HSK_PWRDNREQN (BIT(5) | BIT(6))
-
-#define IMX8MN_GPUMIX_HSK_PWRDNACKN (BIT(29) | BIT(27))
-#define IMX8MN_DISPMIX_HSK_PWRDNACKN BIT(25)
-#define IMX8MN_HSIO_HSK_PWRDNACKN BIT(23)
-#define IMX8MN_GPUMIX_HSK_PWRDNREQN (BIT(11) | BIT(9))
-#define IMX8MN_DISPMIX_HSK_PWRDNREQN BIT(7)
-#define IMX8MN_HSIO_HSK_PWRDNREQN BIT(5)
-
-#define IMX8MP_MEDIAMIX_PWRDNACKN BIT(30)
-#define IMX8MP_HDMIMIX_PWRDNACKN BIT(29)
-#define IMX8MP_HSIOMIX_PWRDNACKN BIT(28)
-#define IMX8MP_VPUMIX_PWRDNACKN BIT(26)
-#define IMX8MP_GPUMIX_PWRDNACKN BIT(25)
-#define IMX8MP_MLMIX_PWRDNACKN (BIT(23) | BIT(24))
-#define IMX8MP_AUDIOMIX_PWRDNACKN (BIT(20) | BIT(31))
-#define IMX8MP_MEDIAMIX_PWRDNREQN BIT(14)
-#define IMX8MP_HDMIMIX_PWRDNREQN BIT(13)
-#define IMX8MP_HSIOMIX_PWRDNREQN BIT(12)
-#define IMX8MP_VPUMIX_PWRDNREQN BIT(10)
-#define IMX8MP_GPUMIX_PWRDNREQN BIT(9)
-#define IMX8MP_MLMIX_PWRDNREQN (BIT(7) | BIT(8))
-#define IMX8MP_AUDIOMIX_PWRDNREQN (BIT(4) | BIT(15))
-
-/*
- * The PGC offset values in Reference Manual
- * (Rev. 1, 01/2018 and the older ones) GPC chapter's
- * GPC_PGC memory map are incorrect, below offset
- * values are from design RTL.
- */
-#define IMX7_PGC_MIPI 16
-#define IMX7_PGC_PCIE 17
-#define IMX7_PGC_USB_HSIC 20
-
-#define IMX8M_PGC_MIPI 16
-#define IMX8M_PGC_PCIE1 17
-#define IMX8M_PGC_OTG1 18
-#define IMX8M_PGC_OTG2 19
-#define IMX8M_PGC_DDR1 21
-#define IMX8M_PGC_GPU 23
-#define IMX8M_PGC_VPU 24
-#define IMX8M_PGC_DISP 26
-#define IMX8M_PGC_MIPI_CSI1 27
-#define IMX8M_PGC_MIPI_CSI2 28
-#define IMX8M_PGC_PCIE2 29
-
-#define IMX8MM_PGC_MIPI 16
-#define IMX8MM_PGC_PCIE 17
-#define IMX8MM_PGC_OTG1 18
-#define IMX8MM_PGC_OTG2 19
-#define IMX8MM_PGC_DDR1 21
-#define IMX8MM_PGC_GPU2D 22
-#define IMX8MM_PGC_GPUMIX 23
-#define IMX8MM_PGC_VPUMIX 24
-#define IMX8MM_PGC_GPU3D 25
-#define IMX8MM_PGC_DISPMIX 26
-#define IMX8MM_PGC_VPUG1 27
-#define IMX8MM_PGC_VPUG2 28
-#define IMX8MM_PGC_VPUH1 29
-
-#define IMX8MN_PGC_MIPI 16
-#define IMX8MN_PGC_OTG1 18
-#define IMX8MN_PGC_DDR1 21
-#define IMX8MN_PGC_GPUMIX 23
-#define IMX8MN_PGC_DISPMIX 26
-
-#define IMX8MP_PGC_NOC 9
-#define IMX8MP_PGC_MIPI1 12
-#define IMX8MP_PGC_PCIE 13
-#define IMX8MP_PGC_USB1 14
-#define IMX8MP_PGC_USB2 15
-#define IMX8MP_PGC_MLMIX 16
-#define IMX8MP_PGC_AUDIOMIX 17
-#define IMX8MP_PGC_GPU2D 18
-#define IMX8MP_PGC_GPUMIX 19
-#define IMX8MP_PGC_VPUMIX 20
-#define IMX8MP_PGC_GPU3D 21
-#define IMX8MP_PGC_MEDIAMIX 22
-#define IMX8MP_PGC_VPU_G1 23
-#define IMX8MP_PGC_VPU_G2 24
-#define IMX8MP_PGC_VPU_VC8000E 25
-#define IMX8MP_PGC_HDMIMIX 26
-#define IMX8MP_PGC_HDMI 27
-#define IMX8MP_PGC_MIPI2 28
-#define IMX8MP_PGC_HSIOMIX 29
-#define IMX8MP_PGC_MEDIA_ISP_DWP 30
-#define IMX8MP_PGC_DDRMIX 31
-
-#define GPC_PGC_CTRL(n) (0x800 + (n) * 0x40)
-#define GPC_PGC_SR(n) (GPC_PGC_CTRL(n) + 0xc)
-
-#define GPC_PGC_CTRL_PCR BIT(0)
-
-struct imx_pgc_regs {
- u16 map;
- u16 pup;
- u16 pdn;
- u16 hsk;
-};
-
-struct imx_pgc_domain {
- struct generic_pm_domain genpd;
- struct regmap *regmap;
- const struct imx_pgc_regs *regs;
- struct regulator *regulator;
- struct reset_control *reset;
- struct clk_bulk_data *clks;
- int num_clks;
-
- unsigned long pgc;
-
- const struct {
- u32 pxx;
- u32 map;
- u32 hskreq;
- u32 hskack;
- } bits;
-
- const int voltage;
- const bool keep_clocks;
- struct device *dev;
-
- unsigned int pgc_sw_pup_reg;
- unsigned int pgc_sw_pdn_reg;
-};
-
-struct imx_pgc_domain_data {
- const struct imx_pgc_domain *domains;
- size_t domains_num;
- const struct regmap_access_table *reg_access_table;
- const struct imx_pgc_regs *pgc_regs;
-};
-
-static inline struct imx_pgc_domain *
-to_imx_pgc_domain(struct generic_pm_domain *genpd)
-{
- return container_of(genpd, struct imx_pgc_domain, genpd);
-}
-
-static int imx_pgc_power_up(struct generic_pm_domain *genpd)
-{
- struct imx_pgc_domain *domain = to_imx_pgc_domain(genpd);
- u32 reg_val, pgc;
- int ret;
-
- ret = pm_runtime_get_sync(domain->dev);
- if (ret < 0) {
- pm_runtime_put_noidle(domain->dev);
- return ret;
- }
-
- if (!IS_ERR(domain->regulator)) {
- ret = regulator_enable(domain->regulator);
- if (ret) {
- dev_err(domain->dev,
- "failed to enable regulator: %pe\n",
- ERR_PTR(ret));
- goto out_put_pm;
- }
- }
-
- reset_control_assert(domain->reset);
-
- /* Enable reset clocks for all devices in the domain */
- ret = clk_bulk_prepare_enable(domain->num_clks, domain->clks);
- if (ret) {
- dev_err(domain->dev, "failed to enable reset clocks\n");
- goto out_regulator_disable;
- }
-
- /* delays for reset to propagate */
- udelay(5);
-
- if (domain->bits.pxx) {
- /* request the domain to power up */
- regmap_update_bits(domain->regmap, domain->regs->pup,
- domain->bits.pxx, domain->bits.pxx);
- /*
- * As per "5.5.9.4 Example Code 4" in IMX7DRM.pdf wait
- * for PUP_REQ/PDN_REQ bit to be cleared
- */
- ret = regmap_read_poll_timeout(domain->regmap,
- domain->regs->pup, reg_val,
- !(reg_val & domain->bits.pxx),
- 0, USEC_PER_MSEC);
- if (ret) {
- dev_err(domain->dev, "failed to command PGC\n");
- goto out_clk_disable;
- }
-
- /* disable power control */
- for_each_set_bit(pgc, &domain->pgc, 32) {
- regmap_clear_bits(domain->regmap, GPC_PGC_CTRL(pgc),
- GPC_PGC_CTRL_PCR);
- }
- }
-
- /* delay for reset to propagate */
- udelay(5);
-
- reset_control_deassert(domain->reset);
-
- /* request the ADB400 to power up */
- if (domain->bits.hskreq) {
- regmap_update_bits(domain->regmap, domain->regs->hsk,
- domain->bits.hskreq, domain->bits.hskreq);
-
- /*
- * ret = regmap_read_poll_timeout(domain->regmap, domain->regs->hsk, reg_val,
- * (reg_val & domain->bits.hskack), 0,
- * USEC_PER_MSEC);
- * Technically we need the commented code to wait handshake. But that needs
- * the BLK-CTL module BUS clk-en bit being set.
- *
- * There is a separate BLK-CTL module and we will have such a driver for it,
- * that driver will set the BUS clk-en bit and handshake will be triggered
- * automatically there. Just add a delay and suppose the handshake finish
- * after that.
- */
- }
-
- /* Disable reset clocks for all devices in the domain */
- if (!domain->keep_clocks)
- clk_bulk_disable_unprepare(domain->num_clks, domain->clks);
-
- return 0;
-
-out_clk_disable:
- clk_bulk_disable_unprepare(domain->num_clks, domain->clks);
-out_regulator_disable:
- if (!IS_ERR(domain->regulator))
- regulator_disable(domain->regulator);
-out_put_pm:
- pm_runtime_put(domain->dev);
-
- return ret;
-}
-
-static int imx_pgc_power_down(struct generic_pm_domain *genpd)
-{
- struct imx_pgc_domain *domain = to_imx_pgc_domain(genpd);
- u32 reg_val, pgc;
- int ret;
-
- /* Enable reset clocks for all devices in the domain */
- if (!domain->keep_clocks) {
- ret = clk_bulk_prepare_enable(domain->num_clks, domain->clks);
- if (ret) {
- dev_err(domain->dev, "failed to enable reset clocks\n");
- return ret;
- }
- }
-
- /* request the ADB400 to power down */
- if (domain->bits.hskreq) {
- regmap_clear_bits(domain->regmap, domain->regs->hsk,
- domain->bits.hskreq);
-
- ret = regmap_read_poll_timeout(domain->regmap, domain->regs->hsk,
- reg_val,
- !(reg_val & domain->bits.hskack),
- 0, USEC_PER_MSEC);
- if (ret) {
- dev_err(domain->dev, "failed to power down ADB400\n");
- goto out_clk_disable;
- }
- }
-
- if (domain->bits.pxx) {
- /* enable power control */
- for_each_set_bit(pgc, &domain->pgc, 32) {
- regmap_update_bits(domain->regmap, GPC_PGC_CTRL(pgc),
- GPC_PGC_CTRL_PCR, GPC_PGC_CTRL_PCR);
- }
-
- /* request the domain to power down */
- regmap_update_bits(domain->regmap, domain->regs->pdn,
- domain->bits.pxx, domain->bits.pxx);
- /*
- * As per "5.5.9.4 Example Code 4" in IMX7DRM.pdf wait
- * for PUP_REQ/PDN_REQ bit to be cleared
- */
- ret = regmap_read_poll_timeout(domain->regmap,
- domain->regs->pdn, reg_val,
- !(reg_val & domain->bits.pxx),
- 0, USEC_PER_MSEC);
- if (ret) {
- dev_err(domain->dev, "failed to command PGC\n");
- goto out_clk_disable;
- }
- }
-
- /* Disable reset clocks for all devices in the domain */
- clk_bulk_disable_unprepare(domain->num_clks, domain->clks);
-
- if (!IS_ERR(domain->regulator)) {
- ret = regulator_disable(domain->regulator);
- if (ret) {
- dev_err(domain->dev,
- "failed to disable regulator: %pe\n",
- ERR_PTR(ret));
- return ret;
- }
- }
-
- pm_runtime_put_sync_suspend(domain->dev);
-
- return 0;
-
-out_clk_disable:
- if (!domain->keep_clocks)
- clk_bulk_disable_unprepare(domain->num_clks, domain->clks);
-
- return ret;
-}
-
-static const struct imx_pgc_domain imx7_pgc_domains[] = {
- [IMX7_POWER_DOMAIN_MIPI_PHY] = {
- .genpd = {
- .name = "mipi-phy",
- },
- .bits = {
- .pxx = IMX7_MIPI_PHY_SW_Pxx_REQ,
- .map = IMX7_MIPI_PHY_A_CORE_DOMAIN,
- },
- .voltage = 1000000,
- .pgc = BIT(IMX7_PGC_MIPI),
- },
-
- [IMX7_POWER_DOMAIN_PCIE_PHY] = {
- .genpd = {
- .name = "pcie-phy",
- },
- .bits = {
- .pxx = IMX7_PCIE_PHY_SW_Pxx_REQ,
- .map = IMX7_PCIE_PHY_A_CORE_DOMAIN,
- },
- .voltage = 1000000,
- .pgc = BIT(IMX7_PGC_PCIE),
- },
-
- [IMX7_POWER_DOMAIN_USB_HSIC_PHY] = {
- .genpd = {
- .name = "usb-hsic-phy",
- },
- .bits = {
- .pxx = IMX7_USB_HSIC_PHY_SW_Pxx_REQ,
- .map = IMX7_USB_HSIC_PHY_A_CORE_DOMAIN,
- },
- .voltage = 1200000,
- .pgc = BIT(IMX7_PGC_USB_HSIC),
- },
-};
-
-static const struct regmap_range imx7_yes_ranges[] = {
- regmap_reg_range(GPC_LPCR_A_CORE_BSC,
- GPC_M4_PU_PDN_FLG),
- regmap_reg_range(GPC_PGC_CTRL(IMX7_PGC_MIPI),
- GPC_PGC_SR(IMX7_PGC_MIPI)),
- regmap_reg_range(GPC_PGC_CTRL(IMX7_PGC_PCIE),
- GPC_PGC_SR(IMX7_PGC_PCIE)),
- regmap_reg_range(GPC_PGC_CTRL(IMX7_PGC_USB_HSIC),
- GPC_PGC_SR(IMX7_PGC_USB_HSIC)),
-};
-
-static const struct regmap_access_table imx7_access_table = {
- .yes_ranges = imx7_yes_ranges,
- .n_yes_ranges = ARRAY_SIZE(imx7_yes_ranges),
-};
-
-static const struct imx_pgc_regs imx7_pgc_regs = {
- .map = GPC_PGC_CPU_MAPPING,
- .pup = GPC_PU_PGC_SW_PUP_REQ,
- .pdn = GPC_PU_PGC_SW_PDN_REQ,
- .hsk = GPC_PU_PWRHSK,
-};
-
-static const struct imx_pgc_domain_data imx7_pgc_domain_data = {
- .domains = imx7_pgc_domains,
- .domains_num = ARRAY_SIZE(imx7_pgc_domains),
- .reg_access_table = &imx7_access_table,
- .pgc_regs = &imx7_pgc_regs,
-};
-
-static const struct imx_pgc_domain imx8m_pgc_domains[] = {
- [IMX8M_POWER_DOMAIN_MIPI] = {
- .genpd = {
- .name = "mipi",
- },
- .bits = {
- .pxx = IMX8M_MIPI_SW_Pxx_REQ,
- .map = IMX8M_MIPI_A53_DOMAIN,
- },
- .pgc = BIT(IMX8M_PGC_MIPI),
- },
-
- [IMX8M_POWER_DOMAIN_PCIE1] = {
- .genpd = {
- .name = "pcie1",
- },
- .bits = {
- .pxx = IMX8M_PCIE1_SW_Pxx_REQ,
- .map = IMX8M_PCIE1_A53_DOMAIN,
- },
- .pgc = BIT(IMX8M_PGC_PCIE1),
- },
-
- [IMX8M_POWER_DOMAIN_USB_OTG1] = {
- .genpd = {
- .name = "usb-otg1",
- },
- .bits = {
- .pxx = IMX8M_OTG1_SW_Pxx_REQ,
- .map = IMX8M_OTG1_A53_DOMAIN,
- },
- .pgc = BIT(IMX8M_PGC_OTG1),
- },
-
- [IMX8M_POWER_DOMAIN_USB_OTG2] = {
- .genpd = {
- .name = "usb-otg2",
- },
- .bits = {
- .pxx = IMX8M_OTG2_SW_Pxx_REQ,
- .map = IMX8M_OTG2_A53_DOMAIN,
- },
- .pgc = BIT(IMX8M_PGC_OTG2),
- },
-
- [IMX8M_POWER_DOMAIN_DDR1] = {
- .genpd = {
- .name = "ddr1",
- },
- .bits = {
- .pxx = IMX8M_DDR1_SW_Pxx_REQ,
- .map = IMX8M_DDR2_A53_DOMAIN,
- },
- .pgc = BIT(IMX8M_PGC_DDR1),
- },
-
- [IMX8M_POWER_DOMAIN_GPU] = {
- .genpd = {
- .name = "gpu",
- },
- .bits = {
- .pxx = IMX8M_GPU_SW_Pxx_REQ,
- .map = IMX8M_GPU_A53_DOMAIN,
- .hskreq = IMX8M_GPU_HSK_PWRDNREQN,
- .hskack = IMX8M_GPU_HSK_PWRDNACKN,
- },
- .pgc = BIT(IMX8M_PGC_GPU),
- },
-
- [IMX8M_POWER_DOMAIN_VPU] = {
- .genpd = {
- .name = "vpu",
- },
- .bits = {
- .pxx = IMX8M_VPU_SW_Pxx_REQ,
- .map = IMX8M_VPU_A53_DOMAIN,
- .hskreq = IMX8M_VPU_HSK_PWRDNREQN,
- .hskack = IMX8M_VPU_HSK_PWRDNACKN,
- },
- .pgc = BIT(IMX8M_PGC_VPU),
- .keep_clocks = true,
- },
-
- [IMX8M_POWER_DOMAIN_DISP] = {
- .genpd = {
- .name = "disp",
- },
- .bits = {
- .pxx = IMX8M_DISP_SW_Pxx_REQ,
- .map = IMX8M_DISP_A53_DOMAIN,
- .hskreq = IMX8M_DISP_HSK_PWRDNREQN,
- .hskack = IMX8M_DISP_HSK_PWRDNACKN,
- },
- .pgc = BIT(IMX8M_PGC_DISP),
- },
-
- [IMX8M_POWER_DOMAIN_MIPI_CSI1] = {
- .genpd = {
- .name = "mipi-csi1",
- },
- .bits = {
- .pxx = IMX8M_MIPI_CSI1_SW_Pxx_REQ,
- .map = IMX8M_MIPI_CSI1_A53_DOMAIN,
- },
- .pgc = BIT(IMX8M_PGC_MIPI_CSI1),
- },
-
- [IMX8M_POWER_DOMAIN_MIPI_CSI2] = {
- .genpd = {
- .name = "mipi-csi2",
- },
- .bits = {
- .pxx = IMX8M_MIPI_CSI2_SW_Pxx_REQ,
- .map = IMX8M_MIPI_CSI2_A53_DOMAIN,
- },
- .pgc = BIT(IMX8M_PGC_MIPI_CSI2),
- },
-
- [IMX8M_POWER_DOMAIN_PCIE2] = {
- .genpd = {
- .name = "pcie2",
- },
- .bits = {
- .pxx = IMX8M_PCIE2_SW_Pxx_REQ,
- .map = IMX8M_PCIE2_A53_DOMAIN,
- },
- .pgc = BIT(IMX8M_PGC_PCIE2),
- },
-};
-
-static const struct regmap_range imx8m_yes_ranges[] = {
- regmap_reg_range(GPC_LPCR_A_CORE_BSC,
- GPC_PU_PWRHSK),
- regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_MIPI),
- GPC_PGC_SR(IMX8M_PGC_MIPI)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_PCIE1),
- GPC_PGC_SR(IMX8M_PGC_PCIE1)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_OTG1),
- GPC_PGC_SR(IMX8M_PGC_OTG1)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_OTG2),
- GPC_PGC_SR(IMX8M_PGC_OTG2)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_DDR1),
- GPC_PGC_SR(IMX8M_PGC_DDR1)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_GPU),
- GPC_PGC_SR(IMX8M_PGC_GPU)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_VPU),
- GPC_PGC_SR(IMX8M_PGC_VPU)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_DISP),
- GPC_PGC_SR(IMX8M_PGC_DISP)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_MIPI_CSI1),
- GPC_PGC_SR(IMX8M_PGC_MIPI_CSI1)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_MIPI_CSI2),
- GPC_PGC_SR(IMX8M_PGC_MIPI_CSI2)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_PCIE2),
- GPC_PGC_SR(IMX8M_PGC_PCIE2)),
-};
-
-static const struct regmap_access_table imx8m_access_table = {
- .yes_ranges = imx8m_yes_ranges,
- .n_yes_ranges = ARRAY_SIZE(imx8m_yes_ranges),
-};
-
-static const struct imx_pgc_domain_data imx8m_pgc_domain_data = {
- .domains = imx8m_pgc_domains,
- .domains_num = ARRAY_SIZE(imx8m_pgc_domains),
- .reg_access_table = &imx8m_access_table,
- .pgc_regs = &imx7_pgc_regs,
-};
-
-static const struct imx_pgc_domain imx8mm_pgc_domains[] = {
- [IMX8MM_POWER_DOMAIN_HSIOMIX] = {
- .genpd = {
- .name = "hsiomix",
- },
- .bits = {
- .pxx = 0, /* no power sequence control */
- .map = 0, /* no power sequence control */
- .hskreq = IMX8MM_HSIO_HSK_PWRDNREQN,
- .hskack = IMX8MM_HSIO_HSK_PWRDNACKN,
- },
- .keep_clocks = true,
- },
-
- [IMX8MM_POWER_DOMAIN_PCIE] = {
- .genpd = {
- .name = "pcie",
- },
- .bits = {
- .pxx = IMX8MM_PCIE_SW_Pxx_REQ,
- .map = IMX8MM_PCIE_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MM_PGC_PCIE),
- },
-
- [IMX8MM_POWER_DOMAIN_OTG1] = {
- .genpd = {
- .name = "usb-otg1",
- .flags = GENPD_FLAG_ACTIVE_WAKEUP,
- },
- .bits = {
- .pxx = IMX8MM_OTG1_SW_Pxx_REQ,
- .map = IMX8MM_OTG1_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MM_PGC_OTG1),
- },
-
- [IMX8MM_POWER_DOMAIN_OTG2] = {
- .genpd = {
- .name = "usb-otg2",
- .flags = GENPD_FLAG_ACTIVE_WAKEUP,
- },
- .bits = {
- .pxx = IMX8MM_OTG2_SW_Pxx_REQ,
- .map = IMX8MM_OTG2_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MM_PGC_OTG2),
- },
-
- [IMX8MM_POWER_DOMAIN_GPUMIX] = {
- .genpd = {
- .name = "gpumix",
- },
- .bits = {
- .pxx = IMX8MM_GPUMIX_SW_Pxx_REQ,
- .map = IMX8MM_GPUMIX_A53_DOMAIN,
- .hskreq = IMX8MM_GPUMIX_HSK_PWRDNREQN,
- .hskack = IMX8MM_GPUMIX_HSK_PWRDNACKN,
- },
- .pgc = BIT(IMX8MM_PGC_GPUMIX),
- .keep_clocks = true,
- },
-
- [IMX8MM_POWER_DOMAIN_GPU] = {
- .genpd = {
- .name = "gpu",
- },
- .bits = {
- .pxx = IMX8MM_GPU_SW_Pxx_REQ,
- .map = IMX8MM_GPU_A53_DOMAIN,
- .hskreq = IMX8MM_GPU_HSK_PWRDNREQN,
- .hskack = IMX8MM_GPU_HSK_PWRDNACKN,
- },
- .pgc = BIT(IMX8MM_PGC_GPU2D) | BIT(IMX8MM_PGC_GPU3D),
- },
-
- [IMX8MM_POWER_DOMAIN_VPUMIX] = {
- .genpd = {
- .name = "vpumix",
- },
- .bits = {
- .pxx = IMX8MM_VPUMIX_SW_Pxx_REQ,
- .map = IMX8MM_VPUMIX_A53_DOMAIN,
- .hskreq = IMX8MM_VPUMIX_HSK_PWRDNREQN,
- .hskack = IMX8MM_VPUMIX_HSK_PWRDNACKN,
- },
- .pgc = BIT(IMX8MM_PGC_VPUMIX),
- .keep_clocks = true,
- },
-
- [IMX8MM_POWER_DOMAIN_VPUG1] = {
- .genpd = {
- .name = "vpu-g1",
- },
- .bits = {
- .pxx = IMX8MM_VPUG1_SW_Pxx_REQ,
- .map = IMX8MM_VPUG1_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MM_PGC_VPUG1),
- },
-
- [IMX8MM_POWER_DOMAIN_VPUG2] = {
- .genpd = {
- .name = "vpu-g2",
- },
- .bits = {
- .pxx = IMX8MM_VPUG2_SW_Pxx_REQ,
- .map = IMX8MM_VPUG2_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MM_PGC_VPUG2),
- },
-
- [IMX8MM_POWER_DOMAIN_VPUH1] = {
- .genpd = {
- .name = "vpu-h1",
- },
- .bits = {
- .pxx = IMX8MM_VPUH1_SW_Pxx_REQ,
- .map = IMX8MM_VPUH1_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MM_PGC_VPUH1),
- .keep_clocks = true,
- },
-
- [IMX8MM_POWER_DOMAIN_DISPMIX] = {
- .genpd = {
- .name = "dispmix",
- },
- .bits = {
- .pxx = IMX8MM_DISPMIX_SW_Pxx_REQ,
- .map = IMX8MM_DISPMIX_A53_DOMAIN,
- .hskreq = IMX8MM_DISPMIX_HSK_PWRDNREQN,
- .hskack = IMX8MM_DISPMIX_HSK_PWRDNACKN,
- },
- .pgc = BIT(IMX8MM_PGC_DISPMIX),
- .keep_clocks = true,
- },
-
- [IMX8MM_POWER_DOMAIN_MIPI] = {
- .genpd = {
- .name = "mipi",
- },
- .bits = {
- .pxx = IMX8MM_MIPI_SW_Pxx_REQ,
- .map = IMX8MM_MIPI_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MM_PGC_MIPI),
- },
-};
-
-static const struct regmap_range imx8mm_yes_ranges[] = {
- regmap_reg_range(GPC_LPCR_A_CORE_BSC,
- GPC_PU_PWRHSK),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_MIPI),
- GPC_PGC_SR(IMX8MM_PGC_MIPI)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_PCIE),
- GPC_PGC_SR(IMX8MM_PGC_PCIE)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_OTG1),
- GPC_PGC_SR(IMX8MM_PGC_OTG1)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_OTG2),
- GPC_PGC_SR(IMX8MM_PGC_OTG2)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_DDR1),
- GPC_PGC_SR(IMX8MM_PGC_DDR1)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_GPU2D),
- GPC_PGC_SR(IMX8MM_PGC_GPU2D)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_GPUMIX),
- GPC_PGC_SR(IMX8MM_PGC_GPUMIX)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_VPUMIX),
- GPC_PGC_SR(IMX8MM_PGC_VPUMIX)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_GPU3D),
- GPC_PGC_SR(IMX8MM_PGC_GPU3D)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_DISPMIX),
- GPC_PGC_SR(IMX8MM_PGC_DISPMIX)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_VPUG1),
- GPC_PGC_SR(IMX8MM_PGC_VPUG1)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_VPUG2),
- GPC_PGC_SR(IMX8MM_PGC_VPUG2)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_VPUH1),
- GPC_PGC_SR(IMX8MM_PGC_VPUH1)),
-};
-
-static const struct regmap_access_table imx8mm_access_table = {
- .yes_ranges = imx8mm_yes_ranges,
- .n_yes_ranges = ARRAY_SIZE(imx8mm_yes_ranges),
-};
-
-static const struct imx_pgc_domain_data imx8mm_pgc_domain_data = {
- .domains = imx8mm_pgc_domains,
- .domains_num = ARRAY_SIZE(imx8mm_pgc_domains),
- .reg_access_table = &imx8mm_access_table,
- .pgc_regs = &imx7_pgc_regs,
-};
-
-static const struct imx_pgc_domain imx8mp_pgc_domains[] = {
- [IMX8MP_POWER_DOMAIN_MIPI_PHY1] = {
- .genpd = {
- .name = "mipi-phy1",
- },
- .bits = {
- .pxx = IMX8MP_MIPI_PHY1_SW_Pxx_REQ,
- .map = IMX8MP_MIPI_PHY1_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MP_PGC_MIPI1),
- },
-
- [IMX8MP_POWER_DOMAIN_PCIE_PHY] = {
- .genpd = {
- .name = "pcie-phy1",
- },
- .bits = {
- .pxx = IMX8MP_PCIE_PHY_SW_Pxx_REQ,
- .map = IMX8MP_PCIE_PHY_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MP_PGC_PCIE),
- },
-
- [IMX8MP_POWER_DOMAIN_USB1_PHY] = {
- .genpd = {
- .name = "usb-otg1",
- },
- .bits = {
- .pxx = IMX8MP_USB1_PHY_Pxx_REQ,
- .map = IMX8MP_USB1_PHY_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MP_PGC_USB1),
- },
-
- [IMX8MP_POWER_DOMAIN_USB2_PHY] = {
- .genpd = {
- .name = "usb-otg2",
- },
- .bits = {
- .pxx = IMX8MP_USB2_PHY_Pxx_REQ,
- .map = IMX8MP_USB2_PHY_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MP_PGC_USB2),
- },
-
- [IMX8MP_POWER_DOMAIN_MLMIX] = {
- .genpd = {
- .name = "mlmix",
- },
- .bits = {
- .pxx = IMX8MP_MLMIX_Pxx_REQ,
- .map = IMX8MP_MLMIX_A53_DOMAIN,
- .hskreq = IMX8MP_MLMIX_PWRDNREQN,
- .hskack = IMX8MP_MLMIX_PWRDNACKN,
- },
- .pgc = BIT(IMX8MP_PGC_MLMIX),
- .keep_clocks = true,
- },
-
- [IMX8MP_POWER_DOMAIN_AUDIOMIX] = {
- .genpd = {
- .name = "audiomix",
- },
- .bits = {
- .pxx = IMX8MP_AUDIOMIX_Pxx_REQ,
- .map = IMX8MP_AUDIOMIX_A53_DOMAIN,
- .hskreq = IMX8MP_AUDIOMIX_PWRDNREQN,
- .hskack = IMX8MP_AUDIOMIX_PWRDNACKN,
- },
- .pgc = BIT(IMX8MP_PGC_AUDIOMIX),
- .keep_clocks = true,
- },
-
- [IMX8MP_POWER_DOMAIN_GPU2D] = {
- .genpd = {
- .name = "gpu2d",
- },
- .bits = {
- .pxx = IMX8MP_GPU_2D_Pxx_REQ,
- .map = IMX8MP_GPU2D_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MP_PGC_GPU2D),
- },
-
- [IMX8MP_POWER_DOMAIN_GPUMIX] = {
- .genpd = {
- .name = "gpumix",
- },
- .bits = {
- .pxx = IMX8MP_GPU_SHARE_LOGIC_Pxx_REQ,
- .map = IMX8MP_GPUMIX_A53_DOMAIN,
- .hskreq = IMX8MP_GPUMIX_PWRDNREQN,
- .hskack = IMX8MP_GPUMIX_PWRDNACKN,
- },
- .pgc = BIT(IMX8MP_PGC_GPUMIX),
- .keep_clocks = true,
- },
-
- [IMX8MP_POWER_DOMAIN_VPUMIX] = {
- .genpd = {
- .name = "vpumix",
- },
- .bits = {
- .pxx = IMX8MP_VPU_MIX_SHARE_LOGIC_Pxx_REQ,
- .map = IMX8MP_VPUMIX_A53_DOMAIN,
- .hskreq = IMX8MP_VPUMIX_PWRDNREQN,
- .hskack = IMX8MP_VPUMIX_PWRDNACKN,
- },
- .pgc = BIT(IMX8MP_PGC_VPUMIX),
- .keep_clocks = true,
- },
-
- [IMX8MP_POWER_DOMAIN_GPU3D] = {
- .genpd = {
- .name = "gpu3d",
- },
- .bits = {
- .pxx = IMX8MP_GPU_3D_Pxx_REQ,
- .map = IMX8MP_GPU3D_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MP_PGC_GPU3D),
- },
-
- [IMX8MP_POWER_DOMAIN_MEDIAMIX] = {
- .genpd = {
- .name = "mediamix",
- },
- .bits = {
- .pxx = IMX8MP_MEDIMIX_Pxx_REQ,
- .map = IMX8MP_MEDIAMIX_A53_DOMAIN,
- .hskreq = IMX8MP_MEDIAMIX_PWRDNREQN,
- .hskack = IMX8MP_MEDIAMIX_PWRDNACKN,
- },
- .pgc = BIT(IMX8MP_PGC_MEDIAMIX),
- .keep_clocks = true,
- },
-
- [IMX8MP_POWER_DOMAIN_VPU_G1] = {
- .genpd = {
- .name = "vpu-g1",
- },
- .bits = {
- .pxx = IMX8MP_VPU_G1_Pxx_REQ,
- .map = IMX8MP_VPU_G1_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MP_PGC_VPU_G1),
- },
-
- [IMX8MP_POWER_DOMAIN_VPU_G2] = {
- .genpd = {
- .name = "vpu-g2",
- },
- .bits = {
- .pxx = IMX8MP_VPU_G2_Pxx_REQ,
- .map = IMX8MP_VPU_G2_A53_DOMAIN
- },
- .pgc = BIT(IMX8MP_PGC_VPU_G2),
- },
-
- [IMX8MP_POWER_DOMAIN_VPU_VC8000E] = {
- .genpd = {
- .name = "vpu-h1",
- },
- .bits = {
- .pxx = IMX8MP_VPU_VC8K_Pxx_REQ,
- .map = IMX8MP_VPU_VC8000E_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MP_PGC_VPU_VC8000E),
- },
-
- [IMX8MP_POWER_DOMAIN_HDMIMIX] = {
- .genpd = {
- .name = "hdmimix",
- },
- .bits = {
- .pxx = IMX8MP_HDMIMIX_Pxx_REQ,
- .map = IMX8MP_HDMIMIX_A53_DOMAIN,
- .hskreq = IMX8MP_HDMIMIX_PWRDNREQN,
- .hskack = IMX8MP_HDMIMIX_PWRDNACKN,
- },
- .pgc = BIT(IMX8MP_PGC_HDMIMIX),
- .keep_clocks = true,
- },
-
- [IMX8MP_POWER_DOMAIN_HDMI_PHY] = {
- .genpd = {
- .name = "hdmi-phy",
- },
- .bits = {
- .pxx = IMX8MP_HDMI_PHY_Pxx_REQ,
- .map = IMX8MP_HDMI_PHY_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MP_PGC_HDMI),
- },
-
- [IMX8MP_POWER_DOMAIN_MIPI_PHY2] = {
- .genpd = {
- .name = "mipi-phy2",
- },
- .bits = {
- .pxx = IMX8MP_MIPI_PHY2_Pxx_REQ,
- .map = IMX8MP_MIPI_PHY2_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MP_PGC_MIPI2),
- },
-
- [IMX8MP_POWER_DOMAIN_HSIOMIX] = {
- .genpd = {
- .name = "hsiomix",
- },
- .bits = {
- .pxx = IMX8MP_HSIOMIX_Pxx_REQ,
- .map = IMX8MP_HSIOMIX_A53_DOMAIN,
- .hskreq = IMX8MP_HSIOMIX_PWRDNREQN,
- .hskack = IMX8MP_HSIOMIX_PWRDNACKN,
- },
- .pgc = BIT(IMX8MP_PGC_HSIOMIX),
- .keep_clocks = true,
- },
-
- [IMX8MP_POWER_DOMAIN_MEDIAMIX_ISPDWP] = {
- .genpd = {
- .name = "mediamix-isp-dwp",
- },
- .bits = {
- .pxx = IMX8MP_MEDIA_ISP_DWP_Pxx_REQ,
- .map = IMX8MP_MEDIA_ISPDWP_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MP_PGC_MEDIA_ISP_DWP),
- },
-};
-
-static const struct regmap_range imx8mp_yes_ranges[] = {
- regmap_reg_range(GPC_LPCR_A_CORE_BSC,
- IMX8MP_GPC_PGC_CPU_MAPPING),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_NOC),
- GPC_PGC_SR(IMX8MP_PGC_NOC)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_MIPI1),
- GPC_PGC_SR(IMX8MP_PGC_MIPI1)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_PCIE),
- GPC_PGC_SR(IMX8MP_PGC_PCIE)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_USB1),
- GPC_PGC_SR(IMX8MP_PGC_USB1)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_USB2),
- GPC_PGC_SR(IMX8MP_PGC_USB2)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_MLMIX),
- GPC_PGC_SR(IMX8MP_PGC_MLMIX)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_AUDIOMIX),
- GPC_PGC_SR(IMX8MP_PGC_AUDIOMIX)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_GPU2D),
- GPC_PGC_SR(IMX8MP_PGC_GPU2D)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_GPUMIX),
- GPC_PGC_SR(IMX8MP_PGC_GPUMIX)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_VPUMIX),
- GPC_PGC_SR(IMX8MP_PGC_VPUMIX)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_GPU3D),
- GPC_PGC_SR(IMX8MP_PGC_GPU3D)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_MEDIAMIX),
- GPC_PGC_SR(IMX8MP_PGC_MEDIAMIX)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_VPU_G1),
- GPC_PGC_SR(IMX8MP_PGC_VPU_G1)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_VPU_G2),
- GPC_PGC_SR(IMX8MP_PGC_VPU_G2)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_VPU_VC8000E),
- GPC_PGC_SR(IMX8MP_PGC_VPU_VC8000E)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_HDMIMIX),
- GPC_PGC_SR(IMX8MP_PGC_HDMIMIX)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_HDMI),
- GPC_PGC_SR(IMX8MP_PGC_HDMI)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_MIPI2),
- GPC_PGC_SR(IMX8MP_PGC_MIPI2)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_HSIOMIX),
- GPC_PGC_SR(IMX8MP_PGC_HSIOMIX)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_MEDIA_ISP_DWP),
- GPC_PGC_SR(IMX8MP_PGC_MEDIA_ISP_DWP)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_DDRMIX),
- GPC_PGC_SR(IMX8MP_PGC_DDRMIX)),
-};
-
-static const struct regmap_access_table imx8mp_access_table = {
- .yes_ranges = imx8mp_yes_ranges,
- .n_yes_ranges = ARRAY_SIZE(imx8mp_yes_ranges),
-};
-
-static const struct imx_pgc_regs imx8mp_pgc_regs = {
- .map = IMX8MP_GPC_PGC_CPU_MAPPING,
- .pup = IMX8MP_GPC_PU_PGC_SW_PUP_REQ,
- .pdn = IMX8MP_GPC_PU_PGC_SW_PDN_REQ,
- .hsk = IMX8MP_GPC_PU_PWRHSK,
-};
-static const struct imx_pgc_domain_data imx8mp_pgc_domain_data = {
- .domains = imx8mp_pgc_domains,
- .domains_num = ARRAY_SIZE(imx8mp_pgc_domains),
- .reg_access_table = &imx8mp_access_table,
- .pgc_regs = &imx8mp_pgc_regs,
-};
-
-static const struct imx_pgc_domain imx8mn_pgc_domains[] = {
- [IMX8MN_POWER_DOMAIN_HSIOMIX] = {
- .genpd = {
- .name = "hsiomix",
- },
- .bits = {
- .pxx = 0, /* no power sequence control */
- .map = 0, /* no power sequence control */
- .hskreq = IMX8MN_HSIO_HSK_PWRDNREQN,
- .hskack = IMX8MN_HSIO_HSK_PWRDNACKN,
- },
- .keep_clocks = true,
- },
-
- [IMX8MN_POWER_DOMAIN_OTG1] = {
- .genpd = {
- .name = "usb-otg1",
- .flags = GENPD_FLAG_ACTIVE_WAKEUP,
- },
- .bits = {
- .pxx = IMX8MN_OTG1_SW_Pxx_REQ,
- .map = IMX8MN_OTG1_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MN_PGC_OTG1),
- },
-
- [IMX8MN_POWER_DOMAIN_GPUMIX] = {
- .genpd = {
- .name = "gpumix",
- },
- .bits = {
- .pxx = IMX8MN_GPUMIX_SW_Pxx_REQ,
- .map = IMX8MN_GPUMIX_A53_DOMAIN,
- .hskreq = IMX8MN_GPUMIX_HSK_PWRDNREQN,
- .hskack = IMX8MN_GPUMIX_HSK_PWRDNACKN,
- },
- .pgc = BIT(IMX8MN_PGC_GPUMIX),
- .keep_clocks = true,
- },
-
- [IMX8MN_POWER_DOMAIN_DISPMIX] = {
- .genpd = {
- .name = "dispmix",
- },
- .bits = {
- .pxx = IMX8MN_DISPMIX_SW_Pxx_REQ,
- .map = IMX8MN_DISPMIX_A53_DOMAIN,
- .hskreq = IMX8MN_DISPMIX_HSK_PWRDNREQN,
- .hskack = IMX8MN_DISPMIX_HSK_PWRDNACKN,
- },
- .pgc = BIT(IMX8MN_PGC_DISPMIX),
- .keep_clocks = true,
- },
-
- [IMX8MN_POWER_DOMAIN_MIPI] = {
- .genpd = {
- .name = "mipi",
- },
- .bits = {
- .pxx = IMX8MN_MIPI_SW_Pxx_REQ,
- .map = IMX8MN_MIPI_A53_DOMAIN,
- },
- .pgc = BIT(IMX8MN_PGC_MIPI),
- },
-};
-
-static const struct regmap_range imx8mn_yes_ranges[] = {
- regmap_reg_range(GPC_LPCR_A_CORE_BSC,
- GPC_PU_PWRHSK),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MN_PGC_MIPI),
- GPC_PGC_SR(IMX8MN_PGC_MIPI)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MN_PGC_OTG1),
- GPC_PGC_SR(IMX8MN_PGC_OTG1)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MN_PGC_DDR1),
- GPC_PGC_SR(IMX8MN_PGC_DDR1)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MN_PGC_GPUMIX),
- GPC_PGC_SR(IMX8MN_PGC_GPUMIX)),
- regmap_reg_range(GPC_PGC_CTRL(IMX8MN_PGC_DISPMIX),
- GPC_PGC_SR(IMX8MN_PGC_DISPMIX)),
-};
-
-static const struct regmap_access_table imx8mn_access_table = {
- .yes_ranges = imx8mn_yes_ranges,
- .n_yes_ranges = ARRAY_SIZE(imx8mn_yes_ranges),
-};
-
-static const struct imx_pgc_domain_data imx8mn_pgc_domain_data = {
- .domains = imx8mn_pgc_domains,
- .domains_num = ARRAY_SIZE(imx8mn_pgc_domains),
- .reg_access_table = &imx8mn_access_table,
- .pgc_regs = &imx7_pgc_regs,
-};
-
-static int imx_pgc_domain_probe(struct platform_device *pdev)
-{
- struct imx_pgc_domain *domain = pdev->dev.platform_data;
- int ret;
-
- domain->dev = &pdev->dev;
-
- domain->regulator = devm_regulator_get_optional(domain->dev, "power");
- if (IS_ERR(domain->regulator)) {
- if (PTR_ERR(domain->regulator) != -ENODEV)
- return dev_err_probe(domain->dev, PTR_ERR(domain->regulator),
- "Failed to get domain's regulator\n");
- } else if (domain->voltage) {
- regulator_set_voltage(domain->regulator,
- domain->voltage, domain->voltage);
- }
-
- domain->num_clks = devm_clk_bulk_get_all(domain->dev, &domain->clks);
- if (domain->num_clks < 0)
- return dev_err_probe(domain->dev, domain->num_clks,
- "Failed to get domain's clocks\n");
-
- domain->reset = devm_reset_control_array_get_optional_exclusive(domain->dev);
- if (IS_ERR(domain->reset))
- return dev_err_probe(domain->dev, PTR_ERR(domain->reset),
- "Failed to get domain's resets\n");
-
- pm_runtime_enable(domain->dev);
-
- if (domain->bits.map)
- regmap_update_bits(domain->regmap, domain->regs->map,
- domain->bits.map, domain->bits.map);
-
- ret = pm_genpd_init(&domain->genpd, NULL, true);
- if (ret) {
- dev_err(domain->dev, "Failed to init power domain\n");
- goto out_domain_unmap;
- }
-
- if (IS_ENABLED(CONFIG_LOCKDEP) &&
- of_property_read_bool(domain->dev->of_node, "power-domains"))
- lockdep_set_subclass(&domain->genpd.mlock, 1);
-
- ret = of_genpd_add_provider_simple(domain->dev->of_node,
- &domain->genpd);
- if (ret) {
- dev_err(domain->dev, "Failed to add genpd provider\n");
- goto out_genpd_remove;
- }
-
- return 0;
-
-out_genpd_remove:
- pm_genpd_remove(&domain->genpd);
-out_domain_unmap:
- if (domain->bits.map)
- regmap_update_bits(domain->regmap, domain->regs->map,
- domain->bits.map, 0);
- pm_runtime_disable(domain->dev);
-
- return ret;
-}
-
-static int imx_pgc_domain_remove(struct platform_device *pdev)
-{
- struct imx_pgc_domain *domain = pdev->dev.platform_data;
-
- of_genpd_del_provider(domain->dev->of_node);
- pm_genpd_remove(&domain->genpd);
-
- if (domain->bits.map)
- regmap_update_bits(domain->regmap, domain->regs->map,
- domain->bits.map, 0);
-
- pm_runtime_disable(domain->dev);
-
- return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int imx_pgc_domain_suspend(struct device *dev)
-{
- int ret;
-
- /*
- * This may look strange, but is done so the generic PM_SLEEP code
- * can power down our domain and more importantly power it up again
- * after resume, without tripping over our usage of runtime PM to
- * power up/down the nested domains.
- */
- ret = pm_runtime_get_sync(dev);
- if (ret < 0) {
- pm_runtime_put_noidle(dev);
- return ret;
- }
-
- return 0;
-}
-
-static int imx_pgc_domain_resume(struct device *dev)
-{
- return pm_runtime_put(dev);
-}
-#endif
-
-static const struct dev_pm_ops imx_pgc_domain_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(imx_pgc_domain_suspend, imx_pgc_domain_resume)
-};
-
-static const struct platform_device_id imx_pgc_domain_id[] = {
- { "imx-pgc-domain", },
- { },
-};
-
-static struct platform_driver imx_pgc_domain_driver = {
- .driver = {
- .name = "imx-pgc",
- .pm = &imx_pgc_domain_pm_ops,
- },
- .probe = imx_pgc_domain_probe,
- .remove = imx_pgc_domain_remove,
- .id_table = imx_pgc_domain_id,
-};
-builtin_platform_driver(imx_pgc_domain_driver)
-
-static int imx_gpcv2_probe(struct platform_device *pdev)
-{
- const struct imx_pgc_domain_data *domain_data =
- of_device_get_match_data(&pdev->dev);
-
- struct regmap_config regmap_config = {
- .reg_bits = 32,
- .val_bits = 32,
- .reg_stride = 4,
- .rd_table = domain_data->reg_access_table,
- .wr_table = domain_data->reg_access_table,
- .max_register = SZ_4K,
- };
- struct device *dev = &pdev->dev;
- struct device_node *pgc_np, *np;
- struct regmap *regmap;
- void __iomem *base;
- int ret;
-
- pgc_np = of_get_child_by_name(dev->of_node, "pgc");
- if (!pgc_np) {
- dev_err(dev, "No power domains specified in DT\n");
- return -EINVAL;
- }
-
- base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(base))
- return PTR_ERR(base);
-
- regmap = devm_regmap_init_mmio(dev, base, ®map_config);
- if (IS_ERR(regmap)) {
- ret = PTR_ERR(regmap);
- dev_err(dev, "failed to init regmap (%d)\n", ret);
- return ret;
- }
-
- for_each_child_of_node(pgc_np, np) {
- struct platform_device *pd_pdev;
- struct imx_pgc_domain *domain;
- u32 domain_index;
-
- if (!of_device_is_available(np))
- continue;
-
- ret = of_property_read_u32(np, "reg", &domain_index);
- if (ret) {
- dev_err(dev, "Failed to read 'reg' property\n");
- of_node_put(np);
- return ret;
- }
-
- if (domain_index >= domain_data->domains_num) {
- dev_warn(dev,
- "Domain index %d is out of bounds\n",
- domain_index);
- continue;
- }
-
- pd_pdev = platform_device_alloc("imx-pgc-domain",
- domain_index);
- if (!pd_pdev) {
- dev_err(dev, "Failed to allocate platform device\n");
- of_node_put(np);
- return -ENOMEM;
- }
-
- ret = platform_device_add_data(pd_pdev,
- &domain_data->domains[domain_index],
- sizeof(domain_data->domains[domain_index]));
- if (ret) {
- platform_device_put(pd_pdev);
- of_node_put(np);
- return ret;
- }
-
- domain = pd_pdev->dev.platform_data;
- domain->regmap = regmap;
- domain->regs = domain_data->pgc_regs;
-
- domain->genpd.power_on = imx_pgc_power_up;
- domain->genpd.power_off = imx_pgc_power_down;
-
- pd_pdev->dev.parent = dev;
- device_set_node(&pd_pdev->dev, of_fwnode_handle(np));
-
- ret = platform_device_add(pd_pdev);
- if (ret) {
- platform_device_put(pd_pdev);
- of_node_put(np);
- return ret;
- }
- }
-
- return 0;
-}
-
-static const struct of_device_id imx_gpcv2_dt_ids[] = {
- { .compatible = "fsl,imx7d-gpc", .data = &imx7_pgc_domain_data, },
- { .compatible = "fsl,imx8mm-gpc", .data = &imx8mm_pgc_domain_data, },
- { .compatible = "fsl,imx8mn-gpc", .data = &imx8mn_pgc_domain_data, },
- { .compatible = "fsl,imx8mp-gpc", .data = &imx8mp_pgc_domain_data, },
- { .compatible = "fsl,imx8mq-gpc", .data = &imx8m_pgc_domain_data, },
- { }
-};
-
-static struct platform_driver imx_gpc_driver = {
- .driver = {
- .name = "imx-gpcv2",
- .of_match_table = imx_gpcv2_dt_ids,
- },
- .probe = imx_gpcv2_probe,
-};
-builtin_platform_driver(imx_gpc_driver)
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-
-/*
- * Copyright 2021 Pengutronix, Lucas Stach <kernel@pengutronix.de>
- */
-
-#include <linux/bitfield.h>
-#include <linux/device.h>
-#include <linux/interconnect.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_platform.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/pm_runtime.h>
-#include <linux/regmap.h>
-#include <linux/clk.h>
-
-#include <dt-bindings/power/imx8mm-power.h>
-#include <dt-bindings/power/imx8mn-power.h>
-#include <dt-bindings/power/imx8mp-power.h>
-#include <dt-bindings/power/imx8mq-power.h>
-
-#define BLK_SFT_RSTN 0x0
-#define BLK_CLK_EN 0x4
-#define BLK_MIPI_RESET_DIV 0x8 /* Mini/Nano/Plus DISPLAY_BLK_CTRL only */
-
-struct imx8m_blk_ctrl_domain;
-
-struct imx8m_blk_ctrl {
- struct device *dev;
- struct notifier_block power_nb;
- struct device *bus_power_dev;
- struct regmap *regmap;
- struct imx8m_blk_ctrl_domain *domains;
- struct genpd_onecell_data onecell_data;
-};
-
-struct imx8m_blk_ctrl_domain_data {
- const char *name;
- const char * const *clk_names;
- const char * const *path_names;
- const char *gpc_name;
- int num_clks;
- int num_paths;
- u32 rst_mask;
- u32 clk_mask;
-
- /*
- * i.MX8M Mini, Nano and Plus have a third DISPLAY_BLK_CTRL register
- * which is used to control the reset for the MIPI Phy.
- * Since it's only present in certain circumstances,
- * an if-statement should be used before setting and clearing this
- * register.
- */
- u32 mipi_phy_rst_mask;
-};
-
-#define DOMAIN_MAX_CLKS 4
-#define DOMAIN_MAX_PATHS 4
-
-struct imx8m_blk_ctrl_domain {
- struct generic_pm_domain genpd;
- const struct imx8m_blk_ctrl_domain_data *data;
- struct clk_bulk_data clks[DOMAIN_MAX_CLKS];
- struct icc_bulk_data paths[DOMAIN_MAX_PATHS];
- struct device *power_dev;
- struct imx8m_blk_ctrl *bc;
- int num_paths;
-};
-
-struct imx8m_blk_ctrl_data {
- int max_reg;
- notifier_fn_t power_notifier_fn;
- const struct imx8m_blk_ctrl_domain_data *domains;
- int num_domains;
-};
-
-static inline struct imx8m_blk_ctrl_domain *
-to_imx8m_blk_ctrl_domain(struct generic_pm_domain *genpd)
-{
- return container_of(genpd, struct imx8m_blk_ctrl_domain, genpd);
-}
-
-static int imx8m_blk_ctrl_power_on(struct generic_pm_domain *genpd)
-{
- struct imx8m_blk_ctrl_domain *domain = to_imx8m_blk_ctrl_domain(genpd);
- const struct imx8m_blk_ctrl_domain_data *data = domain->data;
- struct imx8m_blk_ctrl *bc = domain->bc;
- int ret;
-
- /* make sure bus domain is awake */
- ret = pm_runtime_get_sync(bc->bus_power_dev);
- if (ret < 0) {
- pm_runtime_put_noidle(bc->bus_power_dev);
- dev_err(bc->dev, "failed to power up bus domain\n");
- return ret;
- }
-
- /* put devices into reset */
- regmap_clear_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask);
- if (data->mipi_phy_rst_mask)
- regmap_clear_bits(bc->regmap, BLK_MIPI_RESET_DIV, data->mipi_phy_rst_mask);
-
- /* enable upstream and blk-ctrl clocks to allow reset to propagate */
- ret = clk_bulk_prepare_enable(data->num_clks, domain->clks);
- if (ret) {
- dev_err(bc->dev, "failed to enable clocks\n");
- goto bus_put;
- }
- regmap_set_bits(bc->regmap, BLK_CLK_EN, data->clk_mask);
-
- /* power up upstream GPC domain */
- ret = pm_runtime_get_sync(domain->power_dev);
- if (ret < 0) {
- dev_err(bc->dev, "failed to power up peripheral domain\n");
- goto clk_disable;
- }
-
- /* wait for reset to propagate */
- udelay(5);
-
- /* release reset */
- regmap_set_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask);
- if (data->mipi_phy_rst_mask)
- regmap_set_bits(bc->regmap, BLK_MIPI_RESET_DIV, data->mipi_phy_rst_mask);
-
- ret = icc_bulk_set_bw(domain->num_paths, domain->paths);
- if (ret)
- dev_err(bc->dev, "failed to set icc bw\n");
-
- /* disable upstream clocks */
- clk_bulk_disable_unprepare(data->num_clks, domain->clks);
-
- return 0;
-
-clk_disable:
- clk_bulk_disable_unprepare(data->num_clks, domain->clks);
-bus_put:
- pm_runtime_put(bc->bus_power_dev);
-
- return ret;
-}
-
-static int imx8m_blk_ctrl_power_off(struct generic_pm_domain *genpd)
-{
- struct imx8m_blk_ctrl_domain *domain = to_imx8m_blk_ctrl_domain(genpd);
- const struct imx8m_blk_ctrl_domain_data *data = domain->data;
- struct imx8m_blk_ctrl *bc = domain->bc;
-
- /* put devices into reset and disable clocks */
- if (data->mipi_phy_rst_mask)
- regmap_clear_bits(bc->regmap, BLK_MIPI_RESET_DIV, data->mipi_phy_rst_mask);
-
- regmap_clear_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask);
- regmap_clear_bits(bc->regmap, BLK_CLK_EN, data->clk_mask);
-
- /* power down upstream GPC domain */
- pm_runtime_put(domain->power_dev);
-
- /* allow bus domain to suspend */
- pm_runtime_put(bc->bus_power_dev);
-
- return 0;
-}
-
-static struct lock_class_key blk_ctrl_genpd_lock_class;
-
-static int imx8m_blk_ctrl_probe(struct platform_device *pdev)
-{
- const struct imx8m_blk_ctrl_data *bc_data;
- struct device *dev = &pdev->dev;
- struct imx8m_blk_ctrl *bc;
- void __iomem *base;
- int i, ret;
-
- struct regmap_config regmap_config = {
- .reg_bits = 32,
- .val_bits = 32,
- .reg_stride = 4,
- };
-
- bc = devm_kzalloc(dev, sizeof(*bc), GFP_KERNEL);
- if (!bc)
- return -ENOMEM;
-
- bc->dev = dev;
-
- bc_data = of_device_get_match_data(dev);
-
- base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(base))
- return PTR_ERR(base);
-
- regmap_config.max_register = bc_data->max_reg;
- bc->regmap = devm_regmap_init_mmio(dev, base, ®map_config);
- if (IS_ERR(bc->regmap))
- return dev_err_probe(dev, PTR_ERR(bc->regmap),
- "failed to init regmap\n");
-
- bc->domains = devm_kcalloc(dev, bc_data->num_domains,
- sizeof(struct imx8m_blk_ctrl_domain),
- GFP_KERNEL);
- if (!bc->domains)
- return -ENOMEM;
-
- bc->onecell_data.num_domains = bc_data->num_domains;
- bc->onecell_data.domains =
- devm_kcalloc(dev, bc_data->num_domains,
- sizeof(struct generic_pm_domain *), GFP_KERNEL);
- if (!bc->onecell_data.domains)
- return -ENOMEM;
-
- bc->bus_power_dev = dev_pm_domain_attach_by_name(dev, "bus");
- if (IS_ERR(bc->bus_power_dev)) {
- if (PTR_ERR(bc->bus_power_dev) == -ENODEV)
- return dev_err_probe(dev, -EPROBE_DEFER,
- "failed to attach power domain \"bus\"\n");
- else
- return dev_err_probe(dev, PTR_ERR(bc->bus_power_dev),
- "failed to attach power domain \"bus\"\n");
- }
-
- for (i = 0; i < bc_data->num_domains; i++) {
- const struct imx8m_blk_ctrl_domain_data *data = &bc_data->domains[i];
- struct imx8m_blk_ctrl_domain *domain = &bc->domains[i];
- int j;
-
- domain->data = data;
- domain->num_paths = data->num_paths;
-
- for (j = 0; j < data->num_clks; j++)
- domain->clks[j].id = data->clk_names[j];
-
- for (j = 0; j < data->num_paths; j++) {
- domain->paths[j].name = data->path_names[j];
- /* Fake value for now, just let ICC could configure NoC mode/priority */
- domain->paths[j].avg_bw = 1;
- domain->paths[j].peak_bw = 1;
- }
-
- ret = devm_of_icc_bulk_get(dev, data->num_paths, domain->paths);
- if (ret) {
- if (ret != -EPROBE_DEFER) {
- dev_warn_once(dev, "Could not get interconnect paths, NoC will stay unconfigured!\n");
- domain->num_paths = 0;
- } else {
- dev_err_probe(dev, ret, "failed to get noc entries\n");
- goto cleanup_pds;
- }
- }
-
- ret = devm_clk_bulk_get(dev, data->num_clks, domain->clks);
- if (ret) {
- dev_err_probe(dev, ret, "failed to get clock\n");
- goto cleanup_pds;
- }
-
- domain->power_dev =
- dev_pm_domain_attach_by_name(dev, data->gpc_name);
- if (IS_ERR(domain->power_dev)) {
- dev_err_probe(dev, PTR_ERR(domain->power_dev),
- "failed to attach power domain \"%s\"\n",
- data->gpc_name);
- ret = PTR_ERR(domain->power_dev);
- goto cleanup_pds;
- }
-
- domain->genpd.name = data->name;
- domain->genpd.power_on = imx8m_blk_ctrl_power_on;
- domain->genpd.power_off = imx8m_blk_ctrl_power_off;
- domain->bc = bc;
-
- ret = pm_genpd_init(&domain->genpd, NULL, true);
- if (ret) {
- dev_err_probe(dev, ret,
- "failed to init power domain \"%s\"\n",
- data->gpc_name);
- dev_pm_domain_detach(domain->power_dev, true);
- goto cleanup_pds;
- }
-
- /*
- * We use runtime PM to trigger power on/off of the upstream GPC
- * domain, as a strict hierarchical parent/child power domain
- * setup doesn't allow us to meet the sequencing requirements.
- * This means we have nested locking of genpd locks, without the
- * nesting being visible at the genpd level, so we need a
- * separate lock class to make lockdep aware of the fact that
- * this are separate domain locks that can be nested without a
- * self-deadlock.
- */
- lockdep_set_class(&domain->genpd.mlock,
- &blk_ctrl_genpd_lock_class);
-
- bc->onecell_data.domains[i] = &domain->genpd;
- }
-
- ret = of_genpd_add_provider_onecell(dev->of_node, &bc->onecell_data);
- if (ret) {
- dev_err_probe(dev, ret, "failed to add power domain provider\n");
- goto cleanup_pds;
- }
-
- bc->power_nb.notifier_call = bc_data->power_notifier_fn;
- ret = dev_pm_genpd_add_notifier(bc->bus_power_dev, &bc->power_nb);
- if (ret) {
- dev_err_probe(dev, ret, "failed to add power notifier\n");
- goto cleanup_provider;
- }
-
- dev_set_drvdata(dev, bc);
-
- ret = devm_of_platform_populate(dev);
- if (ret)
- goto cleanup_provider;
-
- return 0;
-
-cleanup_provider:
- of_genpd_del_provider(dev->of_node);
-cleanup_pds:
- for (i--; i >= 0; i--) {
- pm_genpd_remove(&bc->domains[i].genpd);
- dev_pm_domain_detach(bc->domains[i].power_dev, true);
- }
-
- dev_pm_domain_detach(bc->bus_power_dev, true);
-
- return ret;
-}
-
-static int imx8m_blk_ctrl_remove(struct platform_device *pdev)
-{
- struct imx8m_blk_ctrl *bc = dev_get_drvdata(&pdev->dev);
- int i;
-
- of_genpd_del_provider(pdev->dev.of_node);
-
- for (i = 0; bc->onecell_data.num_domains; i++) {
- struct imx8m_blk_ctrl_domain *domain = &bc->domains[i];
-
- pm_genpd_remove(&domain->genpd);
- dev_pm_domain_detach(domain->power_dev, true);
- }
-
- dev_pm_genpd_remove_notifier(bc->bus_power_dev);
-
- dev_pm_domain_detach(bc->bus_power_dev, true);
-
- return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int imx8m_blk_ctrl_suspend(struct device *dev)
-{
- struct imx8m_blk_ctrl *bc = dev_get_drvdata(dev);
- int ret, i;
-
- /*
- * This may look strange, but is done so the generic PM_SLEEP code
- * can power down our domains and more importantly power them up again
- * after resume, without tripping over our usage of runtime PM to
- * control the upstream GPC domains. Things happen in the right order
- * in the system suspend/resume paths due to the device parent/child
- * hierarchy.
- */
- ret = pm_runtime_get_sync(bc->bus_power_dev);
- if (ret < 0) {
- pm_runtime_put_noidle(bc->bus_power_dev);
- return ret;
- }
-
- for (i = 0; i < bc->onecell_data.num_domains; i++) {
- struct imx8m_blk_ctrl_domain *domain = &bc->domains[i];
-
- ret = pm_runtime_get_sync(domain->power_dev);
- if (ret < 0) {
- pm_runtime_put_noidle(domain->power_dev);
- goto out_fail;
- }
- }
-
- return 0;
-
-out_fail:
- for (i--; i >= 0; i--)
- pm_runtime_put(bc->domains[i].power_dev);
-
- pm_runtime_put(bc->bus_power_dev);
-
- return ret;
-}
-
-static int imx8m_blk_ctrl_resume(struct device *dev)
-{
- struct imx8m_blk_ctrl *bc = dev_get_drvdata(dev);
- int i;
-
- for (i = 0; i < bc->onecell_data.num_domains; i++)
- pm_runtime_put(bc->domains[i].power_dev);
-
- pm_runtime_put(bc->bus_power_dev);
-
- return 0;
-}
-#endif
-
-static const struct dev_pm_ops imx8m_blk_ctrl_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(imx8m_blk_ctrl_suspend, imx8m_blk_ctrl_resume)
-};
-
-static int imx8mm_vpu_power_notifier(struct notifier_block *nb,
- unsigned long action, void *data)
-{
- struct imx8m_blk_ctrl *bc = container_of(nb, struct imx8m_blk_ctrl,
- power_nb);
-
- if (action != GENPD_NOTIFY_ON && action != GENPD_NOTIFY_PRE_OFF)
- return NOTIFY_OK;
-
- /*
- * The ADB in the VPUMIX domain has no separate reset and clock
- * enable bits, but is ungated together with the VPU clocks. To
- * allow the handshake with the GPC to progress we put the VPUs
- * in reset and ungate the clocks.
- */
- regmap_clear_bits(bc->regmap, BLK_SFT_RSTN, BIT(0) | BIT(1) | BIT(2));
- regmap_set_bits(bc->regmap, BLK_CLK_EN, BIT(0) | BIT(1) | BIT(2));
-
- if (action == GENPD_NOTIFY_ON) {
- /*
- * On power up we have no software backchannel to the GPC to
- * wait for the ADB handshake to happen, so we just delay for a
- * bit. On power down the GPC driver waits for the handshake.
- */
- udelay(5);
-
- /* set "fuse" bits to enable the VPUs */
- regmap_set_bits(bc->regmap, 0x8, 0xffffffff);
- regmap_set_bits(bc->regmap, 0xc, 0xffffffff);
- regmap_set_bits(bc->regmap, 0x10, 0xffffffff);
- regmap_set_bits(bc->regmap, 0x14, 0xffffffff);
- }
-
- return NOTIFY_OK;
-}
-
-static const struct imx8m_blk_ctrl_domain_data imx8mm_vpu_blk_ctl_domain_data[] = {
- [IMX8MM_VPUBLK_PD_G1] = {
- .name = "vpublk-g1",
- .clk_names = (const char *[]){ "g1", },
- .num_clks = 1,
- .gpc_name = "g1",
- .rst_mask = BIT(1),
- .clk_mask = BIT(1),
- },
- [IMX8MM_VPUBLK_PD_G2] = {
- .name = "vpublk-g2",
- .clk_names = (const char *[]){ "g2", },
- .num_clks = 1,
- .gpc_name = "g2",
- .rst_mask = BIT(0),
- .clk_mask = BIT(0),
- },
- [IMX8MM_VPUBLK_PD_H1] = {
- .name = "vpublk-h1",
- .clk_names = (const char *[]){ "h1", },
- .num_clks = 1,
- .gpc_name = "h1",
- .rst_mask = BIT(2),
- .clk_mask = BIT(2),
- },
-};
-
-static const struct imx8m_blk_ctrl_data imx8mm_vpu_blk_ctl_dev_data = {
- .max_reg = 0x18,
- .power_notifier_fn = imx8mm_vpu_power_notifier,
- .domains = imx8mm_vpu_blk_ctl_domain_data,
- .num_domains = ARRAY_SIZE(imx8mm_vpu_blk_ctl_domain_data),
-};
-
-static const struct imx8m_blk_ctrl_domain_data imx8mp_vpu_blk_ctl_domain_data[] = {
- [IMX8MP_VPUBLK_PD_G1] = {
- .name = "vpublk-g1",
- .clk_names = (const char *[]){ "g1", },
- .num_clks = 1,
- .gpc_name = "g1",
- .rst_mask = BIT(1),
- .clk_mask = BIT(1),
- .path_names = (const char *[]){"g1"},
- .num_paths = 1,
- },
- [IMX8MP_VPUBLK_PD_G2] = {
- .name = "vpublk-g2",
- .clk_names = (const char *[]){ "g2", },
- .num_clks = 1,
- .gpc_name = "g2",
- .rst_mask = BIT(0),
- .clk_mask = BIT(0),
- .path_names = (const char *[]){"g2"},
- .num_paths = 1,
- },
- [IMX8MP_VPUBLK_PD_VC8000E] = {
- .name = "vpublk-vc8000e",
- .clk_names = (const char *[]){ "vc8000e", },
- .num_clks = 1,
- .gpc_name = "vc8000e",
- .rst_mask = BIT(2),
- .clk_mask = BIT(2),
- .path_names = (const char *[]){"vc8000e"},
- .num_paths = 1,
- },
-};
-
-static const struct imx8m_blk_ctrl_data imx8mp_vpu_blk_ctl_dev_data = {
- .max_reg = 0x18,
- .power_notifier_fn = imx8mm_vpu_power_notifier,
- .domains = imx8mp_vpu_blk_ctl_domain_data,
- .num_domains = ARRAY_SIZE(imx8mp_vpu_blk_ctl_domain_data),
-};
-
-static int imx8mm_disp_power_notifier(struct notifier_block *nb,
- unsigned long action, void *data)
-{
- struct imx8m_blk_ctrl *bc = container_of(nb, struct imx8m_blk_ctrl,
- power_nb);
-
- if (action != GENPD_NOTIFY_ON && action != GENPD_NOTIFY_PRE_OFF)
- return NOTIFY_OK;
-
- /* Enable bus clock and deassert bus reset */
- regmap_set_bits(bc->regmap, BLK_CLK_EN, BIT(12));
- regmap_set_bits(bc->regmap, BLK_SFT_RSTN, BIT(6));
-
- /*
- * On power up we have no software backchannel to the GPC to
- * wait for the ADB handshake to happen, so we just delay for a
- * bit. On power down the GPC driver waits for the handshake.
- */
- if (action == GENPD_NOTIFY_ON)
- udelay(5);
-
-
- return NOTIFY_OK;
-}
-
-static const struct imx8m_blk_ctrl_domain_data imx8mm_disp_blk_ctl_domain_data[] = {
- [IMX8MM_DISPBLK_PD_CSI_BRIDGE] = {
- .name = "dispblk-csi-bridge",
- .clk_names = (const char *[]){ "csi-bridge-axi", "csi-bridge-apb",
- "csi-bridge-core", },
- .num_clks = 3,
- .gpc_name = "csi-bridge",
- .rst_mask = BIT(0) | BIT(1) | BIT(2),
- .clk_mask = BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5),
- },
- [IMX8MM_DISPBLK_PD_LCDIF] = {
- .name = "dispblk-lcdif",
- .clk_names = (const char *[]){ "lcdif-axi", "lcdif-apb", "lcdif-pix", },
- .num_clks = 3,
- .gpc_name = "lcdif",
- .clk_mask = BIT(6) | BIT(7),
- },
- [IMX8MM_DISPBLK_PD_MIPI_DSI] = {
- .name = "dispblk-mipi-dsi",
- .clk_names = (const char *[]){ "dsi-pclk", "dsi-ref", },
- .num_clks = 2,
- .gpc_name = "mipi-dsi",
- .rst_mask = BIT(5),
- .clk_mask = BIT(8) | BIT(9),
- .mipi_phy_rst_mask = BIT(17),
- },
- [IMX8MM_DISPBLK_PD_MIPI_CSI] = {
- .name = "dispblk-mipi-csi",
- .clk_names = (const char *[]){ "csi-aclk", "csi-pclk" },
- .num_clks = 2,
- .gpc_name = "mipi-csi",
- .rst_mask = BIT(3) | BIT(4),
- .clk_mask = BIT(10) | BIT(11),
- .mipi_phy_rst_mask = BIT(16),
- },
-};
-
-static const struct imx8m_blk_ctrl_data imx8mm_disp_blk_ctl_dev_data = {
- .max_reg = 0x2c,
- .power_notifier_fn = imx8mm_disp_power_notifier,
- .domains = imx8mm_disp_blk_ctl_domain_data,
- .num_domains = ARRAY_SIZE(imx8mm_disp_blk_ctl_domain_data),
-};
-
-
-static int imx8mn_disp_power_notifier(struct notifier_block *nb,
- unsigned long action, void *data)
-{
- struct imx8m_blk_ctrl *bc = container_of(nb, struct imx8m_blk_ctrl,
- power_nb);
-
- if (action != GENPD_NOTIFY_ON && action != GENPD_NOTIFY_PRE_OFF)
- return NOTIFY_OK;
-
- /* Enable bus clock and deassert bus reset */
- regmap_set_bits(bc->regmap, BLK_CLK_EN, BIT(8));
- regmap_set_bits(bc->regmap, BLK_SFT_RSTN, BIT(8));
-
- /*
- * On power up we have no software backchannel to the GPC to
- * wait for the ADB handshake to happen, so we just delay for a
- * bit. On power down the GPC driver waits for the handshake.
- */
- if (action == GENPD_NOTIFY_ON)
- udelay(5);
-
-
- return NOTIFY_OK;
-}
-
-static const struct imx8m_blk_ctrl_domain_data imx8mn_disp_blk_ctl_domain_data[] = {
- [IMX8MN_DISPBLK_PD_MIPI_DSI] = {
- .name = "dispblk-mipi-dsi",
- .clk_names = (const char *[]){ "dsi-pclk", "dsi-ref", },
- .num_clks = 2,
- .gpc_name = "mipi-dsi",
- .rst_mask = BIT(0) | BIT(1),
- .clk_mask = BIT(0) | BIT(1),
- .mipi_phy_rst_mask = BIT(17),
- },
- [IMX8MN_DISPBLK_PD_MIPI_CSI] = {
- .name = "dispblk-mipi-csi",
- .clk_names = (const char *[]){ "csi-aclk", "csi-pclk" },
- .num_clks = 2,
- .gpc_name = "mipi-csi",
- .rst_mask = BIT(2) | BIT(3),
- .clk_mask = BIT(2) | BIT(3),
- .mipi_phy_rst_mask = BIT(16),
- },
- [IMX8MN_DISPBLK_PD_LCDIF] = {
- .name = "dispblk-lcdif",
- .clk_names = (const char *[]){ "lcdif-axi", "lcdif-apb", "lcdif-pix", },
- .num_clks = 3,
- .gpc_name = "lcdif",
- .rst_mask = BIT(4) | BIT(5),
- .clk_mask = BIT(4) | BIT(5),
- },
- [IMX8MN_DISPBLK_PD_ISI] = {
- .name = "dispblk-isi",
- .clk_names = (const char *[]){ "disp_axi", "disp_apb", "disp_axi_root",
- "disp_apb_root"},
- .num_clks = 4,
- .gpc_name = "isi",
- .rst_mask = BIT(6) | BIT(7),
- .clk_mask = BIT(6) | BIT(7),
- },
-};
-
-static const struct imx8m_blk_ctrl_data imx8mn_disp_blk_ctl_dev_data = {
- .max_reg = 0x84,
- .power_notifier_fn = imx8mn_disp_power_notifier,
- .domains = imx8mn_disp_blk_ctl_domain_data,
- .num_domains = ARRAY_SIZE(imx8mn_disp_blk_ctl_domain_data),
-};
-
-#define LCDIF_ARCACHE_CTRL 0x4c
-#define LCDIF_1_RD_HURRY GENMASK(15, 13)
-#define LCDIF_0_RD_HURRY GENMASK(12, 10)
-
-static int imx8mp_media_power_notifier(struct notifier_block *nb,
- unsigned long action, void *data)
-{
- struct imx8m_blk_ctrl *bc = container_of(nb, struct imx8m_blk_ctrl,
- power_nb);
-
- if (action != GENPD_NOTIFY_ON && action != GENPD_NOTIFY_PRE_OFF)
- return NOTIFY_OK;
-
- /* Enable bus clock and deassert bus reset */
- regmap_set_bits(bc->regmap, BLK_CLK_EN, BIT(8));
- regmap_set_bits(bc->regmap, BLK_SFT_RSTN, BIT(8));
-
- if (action == GENPD_NOTIFY_ON) {
- /*
- * On power up we have no software backchannel to the GPC to
- * wait for the ADB handshake to happen, so we just delay for a
- * bit. On power down the GPC driver waits for the handshake.
- */
- udelay(5);
-
- /*
- * Set panic read hurry level for both LCDIF interfaces to
- * maximum priority to minimize chances of display FIFO
- * underflow.
- */
- regmap_set_bits(bc->regmap, LCDIF_ARCACHE_CTRL,
- FIELD_PREP(LCDIF_1_RD_HURRY, 7) |
- FIELD_PREP(LCDIF_0_RD_HURRY, 7));
- }
-
- return NOTIFY_OK;
-}
-
-/*
- * From i.MX 8M Plus Applications Processor Reference Manual, Rev. 1,
- * section 13.2.2, 13.2.3
- * isp-ahb and dwe are not in Figure 13-5. Media BLK_CTRL Clocks
- */
-static const struct imx8m_blk_ctrl_domain_data imx8mp_media_blk_ctl_domain_data[] = {
- [IMX8MP_MEDIABLK_PD_MIPI_DSI_1] = {
- .name = "mediablk-mipi-dsi-1",
- .clk_names = (const char *[]){ "apb", "phy", },
- .num_clks = 2,
- .gpc_name = "mipi-dsi1",
- .rst_mask = BIT(0) | BIT(1),
- .clk_mask = BIT(0) | BIT(1),
- .mipi_phy_rst_mask = BIT(17),
- },
- [IMX8MP_MEDIABLK_PD_MIPI_CSI2_1] = {
- .name = "mediablk-mipi-csi2-1",
- .clk_names = (const char *[]){ "apb", "cam1" },
- .num_clks = 2,
- .gpc_name = "mipi-csi1",
- .rst_mask = BIT(2) | BIT(3),
- .clk_mask = BIT(2) | BIT(3),
- .mipi_phy_rst_mask = BIT(16),
- },
- [IMX8MP_MEDIABLK_PD_LCDIF_1] = {
- .name = "mediablk-lcdif-1",
- .clk_names = (const char *[]){ "disp1", "apb", "axi", },
- .num_clks = 3,
- .gpc_name = "lcdif1",
- .rst_mask = BIT(4) | BIT(5) | BIT(23),
- .clk_mask = BIT(4) | BIT(5) | BIT(23),
- .path_names = (const char *[]){"lcdif-rd", "lcdif-wr"},
- .num_paths = 2,
- },
- [IMX8MP_MEDIABLK_PD_ISI] = {
- .name = "mediablk-isi",
- .clk_names = (const char *[]){ "axi", "apb" },
- .num_clks = 2,
- .gpc_name = "isi",
- .rst_mask = BIT(6) | BIT(7),
- .clk_mask = BIT(6) | BIT(7),
- .path_names = (const char *[]){"isi0", "isi1", "isi2"},
- .num_paths = 3,
- },
- [IMX8MP_MEDIABLK_PD_MIPI_CSI2_2] = {
- .name = "mediablk-mipi-csi2-2",
- .clk_names = (const char *[]){ "apb", "cam2" },
- .num_clks = 2,
- .gpc_name = "mipi-csi2",
- .rst_mask = BIT(9) | BIT(10),
- .clk_mask = BIT(9) | BIT(10),
- .mipi_phy_rst_mask = BIT(30),
- },
- [IMX8MP_MEDIABLK_PD_LCDIF_2] = {
- .name = "mediablk-lcdif-2",
- .clk_names = (const char *[]){ "disp2", "apb", "axi", },
- .num_clks = 3,
- .gpc_name = "lcdif2",
- .rst_mask = BIT(11) | BIT(12) | BIT(24),
- .clk_mask = BIT(11) | BIT(12) | BIT(24),
- .path_names = (const char *[]){"lcdif-rd", "lcdif-wr"},
- .num_paths = 2,
- },
- [IMX8MP_MEDIABLK_PD_ISP] = {
- .name = "mediablk-isp",
- .clk_names = (const char *[]){ "isp", "axi", "apb" },
- .num_clks = 3,
- .gpc_name = "isp",
- .rst_mask = BIT(16) | BIT(17) | BIT(18),
- .clk_mask = BIT(16) | BIT(17) | BIT(18),
- .path_names = (const char *[]){"isp0", "isp1"},
- .num_paths = 2,
- },
- [IMX8MP_MEDIABLK_PD_DWE] = {
- .name = "mediablk-dwe",
- .clk_names = (const char *[]){ "axi", "apb" },
- .num_clks = 2,
- .gpc_name = "dwe",
- .rst_mask = BIT(19) | BIT(20) | BIT(21),
- .clk_mask = BIT(19) | BIT(20) | BIT(21),
- .path_names = (const char *[]){"dwe"},
- .num_paths = 1,
- },
- [IMX8MP_MEDIABLK_PD_MIPI_DSI_2] = {
- .name = "mediablk-mipi-dsi-2",
- .clk_names = (const char *[]){ "phy", },
- .num_clks = 1,
- .gpc_name = "mipi-dsi2",
- .rst_mask = BIT(22),
- .clk_mask = BIT(22),
- .mipi_phy_rst_mask = BIT(29),
- },
-};
-
-static const struct imx8m_blk_ctrl_data imx8mp_media_blk_ctl_dev_data = {
- .max_reg = 0x138,
- .power_notifier_fn = imx8mp_media_power_notifier,
- .domains = imx8mp_media_blk_ctl_domain_data,
- .num_domains = ARRAY_SIZE(imx8mp_media_blk_ctl_domain_data),
-};
-
-static int imx8mq_vpu_power_notifier(struct notifier_block *nb,
- unsigned long action, void *data)
-{
- struct imx8m_blk_ctrl *bc = container_of(nb, struct imx8m_blk_ctrl,
- power_nb);
-
- if (action != GENPD_NOTIFY_ON && action != GENPD_NOTIFY_PRE_OFF)
- return NOTIFY_OK;
-
- /*
- * The ADB in the VPUMIX domain has no separate reset and clock
- * enable bits, but is ungated and reset together with the VPUs. The
- * reset and clock enable inputs to the ADB is a logical OR of the
- * VPU bits. In order to set the G2 fuse bits, the G2 clock must
- * also be enabled.
- */
- regmap_set_bits(bc->regmap, BLK_SFT_RSTN, BIT(0) | BIT(1));
- regmap_set_bits(bc->regmap, BLK_CLK_EN, BIT(0) | BIT(1));
-
- if (action == GENPD_NOTIFY_ON) {
- /*
- * On power up we have no software backchannel to the GPC to
- * wait for the ADB handshake to happen, so we just delay for a
- * bit. On power down the GPC driver waits for the handshake.
- */
- udelay(5);
-
- /* set "fuse" bits to enable the VPUs */
- regmap_set_bits(bc->regmap, 0x8, 0xffffffff);
- regmap_set_bits(bc->regmap, 0xc, 0xffffffff);
- regmap_set_bits(bc->regmap, 0x10, 0xffffffff);
- }
-
- return NOTIFY_OK;
-}
-
-static const struct imx8m_blk_ctrl_domain_data imx8mq_vpu_blk_ctl_domain_data[] = {
- [IMX8MQ_VPUBLK_PD_G1] = {
- .name = "vpublk-g1",
- .clk_names = (const char *[]){ "g1", },
- .num_clks = 1,
- .gpc_name = "g1",
- .rst_mask = BIT(1),
- .clk_mask = BIT(1),
- },
- [IMX8MQ_VPUBLK_PD_G2] = {
- .name = "vpublk-g2",
- .clk_names = (const char *[]){ "g2", },
- .num_clks = 1,
- .gpc_name = "g2",
- .rst_mask = BIT(0),
- .clk_mask = BIT(0),
- },
-};
-
-static const struct imx8m_blk_ctrl_data imx8mq_vpu_blk_ctl_dev_data = {
- .max_reg = 0x14,
- .power_notifier_fn = imx8mq_vpu_power_notifier,
- .domains = imx8mq_vpu_blk_ctl_domain_data,
- .num_domains = ARRAY_SIZE(imx8mq_vpu_blk_ctl_domain_data),
-};
-
-static const struct of_device_id imx8m_blk_ctrl_of_match[] = {
- {
- .compatible = "fsl,imx8mm-vpu-blk-ctrl",
- .data = &imx8mm_vpu_blk_ctl_dev_data
- }, {
- .compatible = "fsl,imx8mm-disp-blk-ctrl",
- .data = &imx8mm_disp_blk_ctl_dev_data
- }, {
- .compatible = "fsl,imx8mn-disp-blk-ctrl",
- .data = &imx8mn_disp_blk_ctl_dev_data
- }, {
- .compatible = "fsl,imx8mp-media-blk-ctrl",
- .data = &imx8mp_media_blk_ctl_dev_data
- }, {
- .compatible = "fsl,imx8mq-vpu-blk-ctrl",
- .data = &imx8mq_vpu_blk_ctl_dev_data
- }, {
- .compatible = "fsl,imx8mp-vpu-blk-ctrl",
- .data = &imx8mp_vpu_blk_ctl_dev_data
- }, {
- /* Sentinel */
- }
-};
-MODULE_DEVICE_TABLE(of, imx8m_blk_ctrl_of_match);
-
-static struct platform_driver imx8m_blk_ctrl_driver = {
- .probe = imx8m_blk_ctrl_probe,
- .remove = imx8m_blk_ctrl_remove,
- .driver = {
- .name = "imx8m-blk-ctrl",
- .pm = &imx8m_blk_ctrl_pm_ops,
- .of_match_table = imx8m_blk_ctrl_of_match,
- },
-};
-module_platform_driver(imx8m_blk_ctrl_driver);
-MODULE_LICENSE("GPL");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-
-/*
- * Copyright 2022 Pengutronix, Lucas Stach <kernel@pengutronix.de>
- */
-
-#include <linux/bitfield.h>
-#include <linux/clk.h>
-#include <linux/clk-provider.h>
-#include <linux/device.h>
-#include <linux/interconnect.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/pm_runtime.h>
-#include <linux/regmap.h>
-
-#include <dt-bindings/power/imx8mp-power.h>
-
-#define GPR_REG0 0x0
-#define PCIE_CLOCK_MODULE_EN BIT(0)
-#define USB_CLOCK_MODULE_EN BIT(1)
-#define PCIE_PHY_APB_RST BIT(4)
-#define PCIE_PHY_INIT_RST BIT(5)
-#define GPR_REG1 0x4
-#define PLL_LOCK BIT(13)
-#define GPR_REG2 0x8
-#define P_PLL_MASK GENMASK(5, 0)
-#define M_PLL_MASK GENMASK(15, 6)
-#define S_PLL_MASK GENMASK(18, 16)
-#define GPR_REG3 0xc
-#define PLL_CKE BIT(17)
-#define PLL_RST BIT(31)
-
-struct imx8mp_blk_ctrl_domain;
-
-struct imx8mp_blk_ctrl {
- struct device *dev;
- struct notifier_block power_nb;
- struct device *bus_power_dev;
- struct regmap *regmap;
- struct imx8mp_blk_ctrl_domain *domains;
- struct genpd_onecell_data onecell_data;
- void (*power_off) (struct imx8mp_blk_ctrl *bc, struct imx8mp_blk_ctrl_domain *domain);
- void (*power_on) (struct imx8mp_blk_ctrl *bc, struct imx8mp_blk_ctrl_domain *domain);
-};
-
-struct imx8mp_blk_ctrl_domain_data {
- const char *name;
- const char * const *clk_names;
- int num_clks;
- const char * const *path_names;
- int num_paths;
- const char *gpc_name;
-};
-
-#define DOMAIN_MAX_CLKS 2
-#define DOMAIN_MAX_PATHS 3
-
-struct imx8mp_blk_ctrl_domain {
- struct generic_pm_domain genpd;
- const struct imx8mp_blk_ctrl_domain_data *data;
- struct clk_bulk_data clks[DOMAIN_MAX_CLKS];
- struct icc_bulk_data paths[DOMAIN_MAX_PATHS];
- struct device *power_dev;
- struct imx8mp_blk_ctrl *bc;
- int num_paths;
- int id;
-};
-
-struct imx8mp_blk_ctrl_data {
- int max_reg;
- int (*probe) (struct imx8mp_blk_ctrl *bc);
- notifier_fn_t power_notifier_fn;
- void (*power_off) (struct imx8mp_blk_ctrl *bc, struct imx8mp_blk_ctrl_domain *domain);
- void (*power_on) (struct imx8mp_blk_ctrl *bc, struct imx8mp_blk_ctrl_domain *domain);
- const struct imx8mp_blk_ctrl_domain_data *domains;
- int num_domains;
-};
-
-static inline struct imx8mp_blk_ctrl_domain *
-to_imx8mp_blk_ctrl_domain(struct generic_pm_domain *genpd)
-{
- return container_of(genpd, struct imx8mp_blk_ctrl_domain, genpd);
-}
-
-struct clk_hsio_pll {
- struct clk_hw hw;
- struct regmap *regmap;
-};
-
-static inline struct clk_hsio_pll *to_clk_hsio_pll(struct clk_hw *hw)
-{
- return container_of(hw, struct clk_hsio_pll, hw);
-}
-
-static int clk_hsio_pll_prepare(struct clk_hw *hw)
-{
- struct clk_hsio_pll *clk = to_clk_hsio_pll(hw);
- u32 val;
-
- /* set the PLL configuration */
- regmap_update_bits(clk->regmap, GPR_REG2,
- P_PLL_MASK | M_PLL_MASK | S_PLL_MASK,
- FIELD_PREP(P_PLL_MASK, 12) |
- FIELD_PREP(M_PLL_MASK, 800) |
- FIELD_PREP(S_PLL_MASK, 4));
-
- /* de-assert PLL reset */
- regmap_update_bits(clk->regmap, GPR_REG3, PLL_RST, PLL_RST);
-
- /* enable PLL */
- regmap_update_bits(clk->regmap, GPR_REG3, PLL_CKE, PLL_CKE);
-
- return regmap_read_poll_timeout(clk->regmap, GPR_REG1, val,
- val & PLL_LOCK, 10, 100);
-}
-
-static void clk_hsio_pll_unprepare(struct clk_hw *hw)
-{
- struct clk_hsio_pll *clk = to_clk_hsio_pll(hw);
-
- regmap_update_bits(clk->regmap, GPR_REG3, PLL_RST | PLL_CKE, 0);
-}
-
-static int clk_hsio_pll_is_prepared(struct clk_hw *hw)
-{
- struct clk_hsio_pll *clk = to_clk_hsio_pll(hw);
-
- return regmap_test_bits(clk->regmap, GPR_REG1, PLL_LOCK);
-}
-
-static unsigned long clk_hsio_pll_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- return 100000000;
-}
-
-static const struct clk_ops clk_hsio_pll_ops = {
- .prepare = clk_hsio_pll_prepare,
- .unprepare = clk_hsio_pll_unprepare,
- .is_prepared = clk_hsio_pll_is_prepared,
- .recalc_rate = clk_hsio_pll_recalc_rate,
-};
-
-static int imx8mp_hsio_blk_ctrl_probe(struct imx8mp_blk_ctrl *bc)
-{
- struct clk_hsio_pll *clk_hsio_pll;
- struct clk_hw *hw;
- struct clk_init_data init = {};
- int ret;
-
- clk_hsio_pll = devm_kzalloc(bc->dev, sizeof(*clk_hsio_pll), GFP_KERNEL);
- if (!clk_hsio_pll)
- return -ENOMEM;
-
- init.name = "hsio_pll";
- init.ops = &clk_hsio_pll_ops;
- init.parent_names = (const char *[]){"osc_24m"};
- init.num_parents = 1;
-
- clk_hsio_pll->regmap = bc->regmap;
- clk_hsio_pll->hw.init = &init;
-
- hw = &clk_hsio_pll->hw;
- ret = devm_clk_hw_register(bc->bus_power_dev, hw);
- if (ret)
- return ret;
-
- return devm_of_clk_add_hw_provider(bc->dev, of_clk_hw_simple_get, hw);
-}
-
-static void imx8mp_hsio_blk_ctrl_power_on(struct imx8mp_blk_ctrl *bc,
- struct imx8mp_blk_ctrl_domain *domain)
-{
- switch (domain->id) {
- case IMX8MP_HSIOBLK_PD_USB:
- regmap_set_bits(bc->regmap, GPR_REG0, USB_CLOCK_MODULE_EN);
- break;
- case IMX8MP_HSIOBLK_PD_PCIE:
- regmap_set_bits(bc->regmap, GPR_REG0, PCIE_CLOCK_MODULE_EN);
- break;
- case IMX8MP_HSIOBLK_PD_PCIE_PHY:
- regmap_set_bits(bc->regmap, GPR_REG0,
- PCIE_PHY_APB_RST | PCIE_PHY_INIT_RST);
- break;
- default:
- break;
- }
-}
-
-static void imx8mp_hsio_blk_ctrl_power_off(struct imx8mp_blk_ctrl *bc,
- struct imx8mp_blk_ctrl_domain *domain)
-{
- switch (domain->id) {
- case IMX8MP_HSIOBLK_PD_USB:
- regmap_clear_bits(bc->regmap, GPR_REG0, USB_CLOCK_MODULE_EN);
- break;
- case IMX8MP_HSIOBLK_PD_PCIE:
- regmap_clear_bits(bc->regmap, GPR_REG0, PCIE_CLOCK_MODULE_EN);
- break;
- case IMX8MP_HSIOBLK_PD_PCIE_PHY:
- regmap_clear_bits(bc->regmap, GPR_REG0,
- PCIE_PHY_APB_RST | PCIE_PHY_INIT_RST);
- break;
- default:
- break;
- }
-}
-
-static int imx8mp_hsio_power_notifier(struct notifier_block *nb,
- unsigned long action, void *data)
-{
- struct imx8mp_blk_ctrl *bc = container_of(nb, struct imx8mp_blk_ctrl,
- power_nb);
- struct clk_bulk_data *usb_clk = bc->domains[IMX8MP_HSIOBLK_PD_USB].clks;
- int num_clks = bc->domains[IMX8MP_HSIOBLK_PD_USB].data->num_clks;
- int ret;
-
- switch (action) {
- case GENPD_NOTIFY_ON:
- /*
- * enable USB clock for a moment for the power-on ADB handshake
- * to proceed
- */
- ret = clk_bulk_prepare_enable(num_clks, usb_clk);
- if (ret)
- return NOTIFY_BAD;
- regmap_set_bits(bc->regmap, GPR_REG0, USB_CLOCK_MODULE_EN);
-
- udelay(5);
-
- regmap_clear_bits(bc->regmap, GPR_REG0, USB_CLOCK_MODULE_EN);
- clk_bulk_disable_unprepare(num_clks, usb_clk);
- break;
- case GENPD_NOTIFY_PRE_OFF:
- /* enable USB clock for the power-down ADB handshake to work */
- ret = clk_bulk_prepare_enable(num_clks, usb_clk);
- if (ret)
- return NOTIFY_BAD;
-
- regmap_set_bits(bc->regmap, GPR_REG0, USB_CLOCK_MODULE_EN);
- break;
- case GENPD_NOTIFY_OFF:
- clk_bulk_disable_unprepare(num_clks, usb_clk);
- break;
- default:
- break;
- }
-
- return NOTIFY_OK;
-}
-
-static const struct imx8mp_blk_ctrl_domain_data imx8mp_hsio_domain_data[] = {
- [IMX8MP_HSIOBLK_PD_USB] = {
- .name = "hsioblk-usb",
- .clk_names = (const char *[]){ "usb" },
- .num_clks = 1,
- .gpc_name = "usb",
- .path_names = (const char *[]){"usb1", "usb2"},
- .num_paths = 2,
- },
- [IMX8MP_HSIOBLK_PD_USB_PHY1] = {
- .name = "hsioblk-usb-phy1",
- .gpc_name = "usb-phy1",
- },
- [IMX8MP_HSIOBLK_PD_USB_PHY2] = {
- .name = "hsioblk-usb-phy2",
- .gpc_name = "usb-phy2",
- },
- [IMX8MP_HSIOBLK_PD_PCIE] = {
- .name = "hsioblk-pcie",
- .clk_names = (const char *[]){ "pcie" },
- .num_clks = 1,
- .gpc_name = "pcie",
- .path_names = (const char *[]){"noc-pcie", "pcie"},
- .num_paths = 2,
- },
- [IMX8MP_HSIOBLK_PD_PCIE_PHY] = {
- .name = "hsioblk-pcie-phy",
- .gpc_name = "pcie-phy",
- },
-};
-
-static const struct imx8mp_blk_ctrl_data imx8mp_hsio_blk_ctl_dev_data = {
- .max_reg = 0x24,
- .probe = imx8mp_hsio_blk_ctrl_probe,
- .power_on = imx8mp_hsio_blk_ctrl_power_on,
- .power_off = imx8mp_hsio_blk_ctrl_power_off,
- .power_notifier_fn = imx8mp_hsio_power_notifier,
- .domains = imx8mp_hsio_domain_data,
- .num_domains = ARRAY_SIZE(imx8mp_hsio_domain_data),
-};
-
-#define HDMI_RTX_RESET_CTL0 0x20
-#define HDMI_RTX_CLK_CTL0 0x40
-#define HDMI_RTX_CLK_CTL1 0x50
-#define HDMI_RTX_CLK_CTL2 0x60
-#define HDMI_RTX_CLK_CTL3 0x70
-#define HDMI_RTX_CLK_CTL4 0x80
-#define HDMI_TX_CONTROL0 0x200
-#define HDMI_LCDIF_NOC_HURRY_MASK GENMASK(14, 12)
-
-static void imx8mp_hdmi_blk_ctrl_power_on(struct imx8mp_blk_ctrl *bc,
- struct imx8mp_blk_ctrl_domain *domain)
-{
- switch (domain->id) {
- case IMX8MP_HDMIBLK_PD_IRQSTEER:
- regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(9));
- regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(16));
- break;
- case IMX8MP_HDMIBLK_PD_LCDIF:
- regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0,
- BIT(16) | BIT(17) | BIT(18) |
- BIT(19) | BIT(20));
- regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(11));
- regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0,
- BIT(4) | BIT(5) | BIT(6));
- regmap_set_bits(bc->regmap, HDMI_TX_CONTROL0,
- FIELD_PREP(HDMI_LCDIF_NOC_HURRY_MASK, 7));
- break;
- case IMX8MP_HDMIBLK_PD_PAI:
- regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(17));
- regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(18));
- break;
- case IMX8MP_HDMIBLK_PD_PVI:
- regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(28));
- regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(22));
- break;
- case IMX8MP_HDMIBLK_PD_TRNG:
- regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(27) | BIT(30));
- regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(20));
- break;
- case IMX8MP_HDMIBLK_PD_HDMI_TX:
- regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0,
- BIT(2) | BIT(4) | BIT(5));
- regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1,
- BIT(12) | BIT(13) | BIT(14) | BIT(15) | BIT(16) |
- BIT(18) | BIT(19) | BIT(20) | BIT(21));
- regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0,
- BIT(7) | BIT(10) | BIT(11));
- regmap_set_bits(bc->regmap, HDMI_TX_CONTROL0, BIT(1));
- break;
- case IMX8MP_HDMIBLK_PD_HDMI_TX_PHY:
- regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(7));
- regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(22) | BIT(24));
- regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(12));
- regmap_clear_bits(bc->regmap, HDMI_TX_CONTROL0, BIT(3));
- break;
- case IMX8MP_HDMIBLK_PD_HDCP:
- regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(11));
- break;
- case IMX8MP_HDMIBLK_PD_HRV:
- regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(3) | BIT(4) | BIT(5));
- regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(15));
- break;
- default:
- break;
- }
-}
-
-static void imx8mp_hdmi_blk_ctrl_power_off(struct imx8mp_blk_ctrl *bc,
- struct imx8mp_blk_ctrl_domain *domain)
-{
- switch (domain->id) {
- case IMX8MP_HDMIBLK_PD_IRQSTEER:
- regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(9));
- regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(16));
- break;
- case IMX8MP_HDMIBLK_PD_LCDIF:
- regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0,
- BIT(4) | BIT(5) | BIT(6));
- regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(11));
- regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL0,
- BIT(16) | BIT(17) | BIT(18) |
- BIT(19) | BIT(20));
- break;
- case IMX8MP_HDMIBLK_PD_PAI:
- regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(18));
- regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(17));
- break;
- case IMX8MP_HDMIBLK_PD_PVI:
- regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(22));
- regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(28));
- break;
- case IMX8MP_HDMIBLK_PD_TRNG:
- regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(20));
- regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(27) | BIT(30));
- break;
- case IMX8MP_HDMIBLK_PD_HDMI_TX:
- regmap_clear_bits(bc->regmap, HDMI_TX_CONTROL0, BIT(1));
- regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0,
- BIT(7) | BIT(10) | BIT(11));
- regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1,
- BIT(12) | BIT(13) | BIT(14) | BIT(15) | BIT(16) |
- BIT(18) | BIT(19) | BIT(20) | BIT(21));
- regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL0,
- BIT(2) | BIT(4) | BIT(5));
- break;
- case IMX8MP_HDMIBLK_PD_HDMI_TX_PHY:
- regmap_set_bits(bc->regmap, HDMI_TX_CONTROL0, BIT(3));
- regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(12));
- regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(7));
- regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(22) | BIT(24));
- break;
- case IMX8MP_HDMIBLK_PD_HDCP:
- regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(11));
- break;
- case IMX8MP_HDMIBLK_PD_HRV:
- regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(15));
- regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(3) | BIT(4) | BIT(5));
- break;
- default:
- break;
- }
-}
-
-static int imx8mp_hdmi_power_notifier(struct notifier_block *nb,
- unsigned long action, void *data)
-{
- struct imx8mp_blk_ctrl *bc = container_of(nb, struct imx8mp_blk_ctrl,
- power_nb);
-
- if (action != GENPD_NOTIFY_ON)
- return NOTIFY_OK;
-
- /*
- * Contrary to other blk-ctrls the reset and clock don't clear when the
- * power domain is powered down. To ensure the proper reset pulsing,
- * first clear them all to asserted state, then enable the bus clocks
- * and then release the ADB reset.
- */
- regmap_write(bc->regmap, HDMI_RTX_RESET_CTL0, 0x0);
- regmap_write(bc->regmap, HDMI_RTX_CLK_CTL0, 0x0);
- regmap_write(bc->regmap, HDMI_RTX_CLK_CTL1, 0x0);
- regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0,
- BIT(0) | BIT(1) | BIT(10));
- regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(0));
-
- /*
- * On power up we have no software backchannel to the GPC to
- * wait for the ADB handshake to happen, so we just delay for a
- * bit. On power down the GPC driver waits for the handshake.
- */
- udelay(5);
-
- return NOTIFY_OK;
-}
-
-static const struct imx8mp_blk_ctrl_domain_data imx8mp_hdmi_domain_data[] = {
- [IMX8MP_HDMIBLK_PD_IRQSTEER] = {
- .name = "hdmiblk-irqsteer",
- .clk_names = (const char *[]){ "apb" },
- .num_clks = 1,
- .gpc_name = "irqsteer",
- },
- [IMX8MP_HDMIBLK_PD_LCDIF] = {
- .name = "hdmiblk-lcdif",
- .clk_names = (const char *[]){ "axi", "apb" },
- .num_clks = 2,
- .gpc_name = "lcdif",
- .path_names = (const char *[]){"lcdif-hdmi"},
- .num_paths = 1,
- },
- [IMX8MP_HDMIBLK_PD_PAI] = {
- .name = "hdmiblk-pai",
- .clk_names = (const char *[]){ "apb" },
- .num_clks = 1,
- .gpc_name = "pai",
- },
- [IMX8MP_HDMIBLK_PD_PVI] = {
- .name = "hdmiblk-pvi",
- .clk_names = (const char *[]){ "apb" },
- .num_clks = 1,
- .gpc_name = "pvi",
- },
- [IMX8MP_HDMIBLK_PD_TRNG] = {
- .name = "hdmiblk-trng",
- .clk_names = (const char *[]){ "apb" },
- .num_clks = 1,
- .gpc_name = "trng",
- },
- [IMX8MP_HDMIBLK_PD_HDMI_TX] = {
- .name = "hdmiblk-hdmi-tx",
- .clk_names = (const char *[]){ "apb", "ref_266m" },
- .num_clks = 2,
- .gpc_name = "hdmi-tx",
- },
- [IMX8MP_HDMIBLK_PD_HDMI_TX_PHY] = {
- .name = "hdmiblk-hdmi-tx-phy",
- .clk_names = (const char *[]){ "apb", "ref_24m" },
- .num_clks = 2,
- .gpc_name = "hdmi-tx-phy",
- },
- [IMX8MP_HDMIBLK_PD_HRV] = {
- .name = "hdmiblk-hrv",
- .clk_names = (const char *[]){ "axi", "apb" },
- .num_clks = 2,
- .gpc_name = "hrv",
- .path_names = (const char *[]){"hrv"},
- .num_paths = 1,
- },
- [IMX8MP_HDMIBLK_PD_HDCP] = {
- .name = "hdmiblk-hdcp",
- .clk_names = (const char *[]){ "axi", "apb" },
- .num_clks = 2,
- .gpc_name = "hdcp",
- .path_names = (const char *[]){"hdcp"},
- .num_paths = 1,
- },
-};
-
-static const struct imx8mp_blk_ctrl_data imx8mp_hdmi_blk_ctl_dev_data = {
- .max_reg = 0x23c,
- .power_on = imx8mp_hdmi_blk_ctrl_power_on,
- .power_off = imx8mp_hdmi_blk_ctrl_power_off,
- .power_notifier_fn = imx8mp_hdmi_power_notifier,
- .domains = imx8mp_hdmi_domain_data,
- .num_domains = ARRAY_SIZE(imx8mp_hdmi_domain_data),
-};
-
-static int imx8mp_blk_ctrl_power_on(struct generic_pm_domain *genpd)
-{
- struct imx8mp_blk_ctrl_domain *domain = to_imx8mp_blk_ctrl_domain(genpd);
- const struct imx8mp_blk_ctrl_domain_data *data = domain->data;
- struct imx8mp_blk_ctrl *bc = domain->bc;
- int ret;
-
- /* make sure bus domain is awake */
- ret = pm_runtime_resume_and_get(bc->bus_power_dev);
- if (ret < 0) {
- dev_err(bc->dev, "failed to power up bus domain\n");
- return ret;
- }
-
- /* enable upstream clocks */
- ret = clk_bulk_prepare_enable(data->num_clks, domain->clks);
- if (ret) {
- dev_err(bc->dev, "failed to enable clocks\n");
- goto bus_put;
- }
-
- /* domain specific blk-ctrl manipulation */
- bc->power_on(bc, domain);
-
- /* power up upstream GPC domain */
- ret = pm_runtime_resume_and_get(domain->power_dev);
- if (ret < 0) {
- dev_err(bc->dev, "failed to power up peripheral domain\n");
- goto clk_disable;
- }
-
- ret = icc_bulk_set_bw(domain->num_paths, domain->paths);
- if (ret)
- dev_err(bc->dev, "failed to set icc bw\n");
-
- clk_bulk_disable_unprepare(data->num_clks, domain->clks);
-
- return 0;
-
-clk_disable:
- clk_bulk_disable_unprepare(data->num_clks, domain->clks);
-bus_put:
- pm_runtime_put(bc->bus_power_dev);
-
- return ret;
-}
-
-static int imx8mp_blk_ctrl_power_off(struct generic_pm_domain *genpd)
-{
- struct imx8mp_blk_ctrl_domain *domain = to_imx8mp_blk_ctrl_domain(genpd);
- const struct imx8mp_blk_ctrl_domain_data *data = domain->data;
- struct imx8mp_blk_ctrl *bc = domain->bc;
- int ret;
-
- ret = clk_bulk_prepare_enable(data->num_clks, domain->clks);
- if (ret) {
- dev_err(bc->dev, "failed to enable clocks\n");
- return ret;
- }
-
- /* domain specific blk-ctrl manipulation */
- bc->power_off(bc, domain);
-
- clk_bulk_disable_unprepare(data->num_clks, domain->clks);
-
- /* power down upstream GPC domain */
- pm_runtime_put(domain->power_dev);
-
- /* allow bus domain to suspend */
- pm_runtime_put(bc->bus_power_dev);
-
- return 0;
-}
-
-static struct lock_class_key blk_ctrl_genpd_lock_class;
-
-static int imx8mp_blk_ctrl_probe(struct platform_device *pdev)
-{
- const struct imx8mp_blk_ctrl_data *bc_data;
- struct device *dev = &pdev->dev;
- struct imx8mp_blk_ctrl *bc;
- void __iomem *base;
- int num_domains, i, ret;
-
- struct regmap_config regmap_config = {
- .reg_bits = 32,
- .val_bits = 32,
- .reg_stride = 4,
- };
-
- bc = devm_kzalloc(dev, sizeof(*bc), GFP_KERNEL);
- if (!bc)
- return -ENOMEM;
-
- bc->dev = dev;
-
- bc_data = of_device_get_match_data(dev);
- num_domains = bc_data->num_domains;
-
- base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(base))
- return PTR_ERR(base);
-
- regmap_config.max_register = bc_data->max_reg;
- bc->regmap = devm_regmap_init_mmio(dev, base, ®map_config);
- if (IS_ERR(bc->regmap))
- return dev_err_probe(dev, PTR_ERR(bc->regmap),
- "failed to init regmap\n");
-
- bc->domains = devm_kcalloc(dev, num_domains,
- sizeof(struct imx8mp_blk_ctrl_domain),
- GFP_KERNEL);
- if (!bc->domains)
- return -ENOMEM;
-
- bc->onecell_data.num_domains = num_domains;
- bc->onecell_data.domains =
- devm_kcalloc(dev, num_domains,
- sizeof(struct generic_pm_domain *), GFP_KERNEL);
- if (!bc->onecell_data.domains)
- return -ENOMEM;
-
- bc->bus_power_dev = dev_pm_domain_attach_by_name(dev, "bus");
- if (IS_ERR(bc->bus_power_dev))
- return dev_err_probe(dev, PTR_ERR(bc->bus_power_dev),
- "failed to attach bus power domain\n");
-
- bc->power_off = bc_data->power_off;
- bc->power_on = bc_data->power_on;
-
- for (i = 0; i < num_domains; i++) {
- const struct imx8mp_blk_ctrl_domain_data *data = &bc_data->domains[i];
- struct imx8mp_blk_ctrl_domain *domain = &bc->domains[i];
- int j;
-
- domain->data = data;
- domain->num_paths = data->num_paths;
-
- for (j = 0; j < data->num_clks; j++)
- domain->clks[j].id = data->clk_names[j];
-
- for (j = 0; j < data->num_paths; j++) {
- domain->paths[j].name = data->path_names[j];
- /* Fake value for now, just let ICC could configure NoC mode/priority */
- domain->paths[j].avg_bw = 1;
- domain->paths[j].peak_bw = 1;
- }
-
- ret = devm_of_icc_bulk_get(dev, data->num_paths, domain->paths);
- if (ret) {
- if (ret != -EPROBE_DEFER) {
- dev_warn_once(dev, "Could not get interconnect paths, NoC will stay unconfigured!\n");
- domain->num_paths = 0;
- } else {
- dev_err_probe(dev, ret, "failed to get noc entries\n");
- goto cleanup_pds;
- }
- }
-
- ret = devm_clk_bulk_get(dev, data->num_clks, domain->clks);
- if (ret) {
- dev_err_probe(dev, ret, "failed to get clock\n");
- goto cleanup_pds;
- }
-
- domain->power_dev =
- dev_pm_domain_attach_by_name(dev, data->gpc_name);
- if (IS_ERR(domain->power_dev)) {
- dev_err_probe(dev, PTR_ERR(domain->power_dev),
- "failed to attach power domain %s\n",
- data->gpc_name);
- ret = PTR_ERR(domain->power_dev);
- goto cleanup_pds;
- }
-
- domain->genpd.name = data->name;
- domain->genpd.power_on = imx8mp_blk_ctrl_power_on;
- domain->genpd.power_off = imx8mp_blk_ctrl_power_off;
- domain->bc = bc;
- domain->id = i;
-
- ret = pm_genpd_init(&domain->genpd, NULL, true);
- if (ret) {
- dev_err_probe(dev, ret, "failed to init power domain\n");
- dev_pm_domain_detach(domain->power_dev, true);
- goto cleanup_pds;
- }
-
- /*
- * We use runtime PM to trigger power on/off of the upstream GPC
- * domain, as a strict hierarchical parent/child power domain
- * setup doesn't allow us to meet the sequencing requirements.
- * This means we have nested locking of genpd locks, without the
- * nesting being visible at the genpd level, so we need a
- * separate lock class to make lockdep aware of the fact that
- * this are separate domain locks that can be nested without a
- * self-deadlock.
- */
- lockdep_set_class(&domain->genpd.mlock,
- &blk_ctrl_genpd_lock_class);
-
- bc->onecell_data.domains[i] = &domain->genpd;
- }
-
- ret = of_genpd_add_provider_onecell(dev->of_node, &bc->onecell_data);
- if (ret) {
- dev_err_probe(dev, ret, "failed to add power domain provider\n");
- goto cleanup_pds;
- }
-
- bc->power_nb.notifier_call = bc_data->power_notifier_fn;
- ret = dev_pm_genpd_add_notifier(bc->bus_power_dev, &bc->power_nb);
- if (ret) {
- dev_err_probe(dev, ret, "failed to add power notifier\n");
- goto cleanup_provider;
- }
-
- if (bc_data->probe) {
- ret = bc_data->probe(bc);
- if (ret)
- goto cleanup_provider;
- }
-
- dev_set_drvdata(dev, bc);
-
- return 0;
-
-cleanup_provider:
- of_genpd_del_provider(dev->of_node);
-cleanup_pds:
- for (i--; i >= 0; i--) {
- pm_genpd_remove(&bc->domains[i].genpd);
- dev_pm_domain_detach(bc->domains[i].power_dev, true);
- }
-
- dev_pm_domain_detach(bc->bus_power_dev, true);
-
- return ret;
-}
-
-static int imx8mp_blk_ctrl_remove(struct platform_device *pdev)
-{
- struct imx8mp_blk_ctrl *bc = dev_get_drvdata(&pdev->dev);
- int i;
-
- of_genpd_del_provider(pdev->dev.of_node);
-
- for (i = 0; bc->onecell_data.num_domains; i++) {
- struct imx8mp_blk_ctrl_domain *domain = &bc->domains[i];
-
- pm_genpd_remove(&domain->genpd);
- dev_pm_domain_detach(domain->power_dev, true);
- }
-
- dev_pm_genpd_remove_notifier(bc->bus_power_dev);
-
- dev_pm_domain_detach(bc->bus_power_dev, true);
-
- return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int imx8mp_blk_ctrl_suspend(struct device *dev)
-{
- struct imx8mp_blk_ctrl *bc = dev_get_drvdata(dev);
- int ret, i;
-
- /*
- * This may look strange, but is done so the generic PM_SLEEP code
- * can power down our domains and more importantly power them up again
- * after resume, without tripping over our usage of runtime PM to
- * control the upstream GPC domains. Things happen in the right order
- * in the system suspend/resume paths due to the device parent/child
- * hierarchy.
- */
- ret = pm_runtime_get_sync(bc->bus_power_dev);
- if (ret < 0) {
- pm_runtime_put_noidle(bc->bus_power_dev);
- return ret;
- }
-
- for (i = 0; i < bc->onecell_data.num_domains; i++) {
- struct imx8mp_blk_ctrl_domain *domain = &bc->domains[i];
-
- ret = pm_runtime_get_sync(domain->power_dev);
- if (ret < 0) {
- pm_runtime_put_noidle(domain->power_dev);
- goto out_fail;
- }
- }
-
- return 0;
-
-out_fail:
- for (i--; i >= 0; i--)
- pm_runtime_put(bc->domains[i].power_dev);
-
- pm_runtime_put(bc->bus_power_dev);
-
- return ret;
-}
-
-static int imx8mp_blk_ctrl_resume(struct device *dev)
-{
- struct imx8mp_blk_ctrl *bc = dev_get_drvdata(dev);
- int i;
-
- for (i = 0; i < bc->onecell_data.num_domains; i++)
- pm_runtime_put(bc->domains[i].power_dev);
-
- pm_runtime_put(bc->bus_power_dev);
-
- return 0;
-}
-#endif
-
-static const struct dev_pm_ops imx8mp_blk_ctrl_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(imx8mp_blk_ctrl_suspend,
- imx8mp_blk_ctrl_resume)
-};
-
-static const struct of_device_id imx8mp_blk_ctrl_of_match[] = {
- {
- .compatible = "fsl,imx8mp-hsio-blk-ctrl",
- .data = &imx8mp_hsio_blk_ctl_dev_data,
- }, {
- .compatible = "fsl,imx8mp-hdmi-blk-ctrl",
- .data = &imx8mp_hdmi_blk_ctl_dev_data,
- }, {
- /* Sentinel */
- }
-};
-MODULE_DEVICE_TABLE(of, imx8mp_blk_ctrl_of_match);
-
-static struct platform_driver imx8mp_blk_ctrl_driver = {
- .probe = imx8mp_blk_ctrl_probe,
- .remove = imx8mp_blk_ctrl_remove,
- .driver = {
- .name = "imx8mp-blk-ctrl",
- .pm = &imx8mp_blk_ctrl_pm_ops,
- .of_match_table = imx8mp_blk_ctrl_of_match,
- },
-};
-module_platform_driver(imx8mp_blk_ctrl_driver);
-MODULE_LICENSE("GPL");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright 2022 NXP, Peng Fan <peng.fan@nxp.com>
- */
-
-#include <linux/clk.h>
-#include <linux/device.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/pm_runtime.h>
-#include <linux/regmap.h>
-#include <linux/sizes.h>
-
-#include <dt-bindings/power/fsl,imx93-power.h>
-
-#define BLK_SFT_RSTN 0x0
-#define BLK_CLK_EN 0x4
-#define BLK_MAX_CLKS 4
-
-#define DOMAIN_MAX_CLKS 4
-
-#define LCDIF_QOS_REG 0xC
-#define LCDIF_DEFAULT_QOS_OFF 12
-#define LCDIF_CFG_QOS_OFF 8
-
-#define PXP_QOS_REG 0x10
-#define PXP_R_DEFAULT_QOS_OFF 28
-#define PXP_R_CFG_QOS_OFF 24
-#define PXP_W_DEFAULT_QOS_OFF 20
-#define PXP_W_CFG_QOS_OFF 16
-
-#define ISI_CACHE_REG 0x14
-
-#define ISI_QOS_REG 0x1C
-#define ISI_V_DEFAULT_QOS_OFF 28
-#define ISI_V_CFG_QOS_OFF 24
-#define ISI_U_DEFAULT_QOS_OFF 20
-#define ISI_U_CFG_QOS_OFF 16
-#define ISI_Y_R_DEFAULT_QOS_OFF 12
-#define ISI_Y_R_CFG_QOS_OFF 8
-#define ISI_Y_W_DEFAULT_QOS_OFF 4
-#define ISI_Y_W_CFG_QOS_OFF 0
-
-#define PRIO_MASK 0xF
-
-#define PRIO(X) (X)
-
-struct imx93_blk_ctrl_domain;
-
-struct imx93_blk_ctrl {
- struct device *dev;
- struct regmap *regmap;
- int num_clks;
- struct clk_bulk_data clks[BLK_MAX_CLKS];
- struct imx93_blk_ctrl_domain *domains;
- struct genpd_onecell_data onecell_data;
-};
-
-#define DOMAIN_MAX_QOS 4
-
-struct imx93_blk_ctrl_qos {
- u32 reg;
- u32 cfg_off;
- u32 default_prio;
- u32 cfg_prio;
-};
-
-struct imx93_blk_ctrl_domain_data {
- const char *name;
- const char * const *clk_names;
- int num_clks;
- u32 rst_mask;
- u32 clk_mask;
- int num_qos;
- struct imx93_blk_ctrl_qos qos[DOMAIN_MAX_QOS];
-};
-
-struct imx93_blk_ctrl_domain {
- struct generic_pm_domain genpd;
- const struct imx93_blk_ctrl_domain_data *data;
- struct clk_bulk_data clks[DOMAIN_MAX_CLKS];
- struct imx93_blk_ctrl *bc;
-};
-
-struct imx93_blk_ctrl_data {
- const struct imx93_blk_ctrl_domain_data *domains;
- int num_domains;
- const char * const *clk_names;
- int num_clks;
- const struct regmap_access_table *reg_access_table;
-};
-
-static inline struct imx93_blk_ctrl_domain *
-to_imx93_blk_ctrl_domain(struct generic_pm_domain *genpd)
-{
- return container_of(genpd, struct imx93_blk_ctrl_domain, genpd);
-}
-
-static int imx93_blk_ctrl_set_qos(struct imx93_blk_ctrl_domain *domain)
-{
- const struct imx93_blk_ctrl_domain_data *data = domain->data;
- struct imx93_blk_ctrl *bc = domain->bc;
- const struct imx93_blk_ctrl_qos *qos;
- u32 val, mask;
- int i;
-
- for (i = 0; i < data->num_qos; i++) {
- qos = &data->qos[i];
-
- mask = PRIO_MASK << qos->cfg_off;
- mask |= PRIO_MASK << (qos->cfg_off + 4);
- val = qos->cfg_prio << qos->cfg_off;
- val |= qos->default_prio << (qos->cfg_off + 4);
-
- regmap_write_bits(bc->regmap, qos->reg, mask, val);
-
- dev_dbg(bc->dev, "data->qos[i].reg 0x%x 0x%x\n", qos->reg, val);
- }
-
- return 0;
-}
-
-static int imx93_blk_ctrl_power_on(struct generic_pm_domain *genpd)
-{
- struct imx93_blk_ctrl_domain *domain = to_imx93_blk_ctrl_domain(genpd);
- const struct imx93_blk_ctrl_domain_data *data = domain->data;
- struct imx93_blk_ctrl *bc = domain->bc;
- int ret;
-
- ret = clk_bulk_prepare_enable(bc->num_clks, bc->clks);
- if (ret) {
- dev_err(bc->dev, "failed to enable bus clocks\n");
- return ret;
- }
-
- ret = clk_bulk_prepare_enable(data->num_clks, domain->clks);
- if (ret) {
- clk_bulk_disable_unprepare(bc->num_clks, bc->clks);
- dev_err(bc->dev, "failed to enable clocks\n");
- return ret;
- }
-
- ret = pm_runtime_get_sync(bc->dev);
- if (ret < 0) {
- pm_runtime_put_noidle(bc->dev);
- dev_err(bc->dev, "failed to power up domain\n");
- goto disable_clk;
- }
-
- /* ungate clk */
- regmap_clear_bits(bc->regmap, BLK_CLK_EN, data->clk_mask);
-
- /* release reset */
- regmap_set_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask);
-
- dev_dbg(bc->dev, "pd_on: name: %s\n", genpd->name);
-
- return imx93_blk_ctrl_set_qos(domain);
-
-disable_clk:
- clk_bulk_disable_unprepare(data->num_clks, domain->clks);
-
- clk_bulk_disable_unprepare(bc->num_clks, bc->clks);
-
- return ret;
-}
-
-static int imx93_blk_ctrl_power_off(struct generic_pm_domain *genpd)
-{
- struct imx93_blk_ctrl_domain *domain = to_imx93_blk_ctrl_domain(genpd);
- const struct imx93_blk_ctrl_domain_data *data = domain->data;
- struct imx93_blk_ctrl *bc = domain->bc;
-
- dev_dbg(bc->dev, "pd_off: name: %s\n", genpd->name);
-
- regmap_clear_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask);
- regmap_set_bits(bc->regmap, BLK_CLK_EN, data->clk_mask);
-
- pm_runtime_put(bc->dev);
-
- clk_bulk_disable_unprepare(data->num_clks, domain->clks);
-
- clk_bulk_disable_unprepare(bc->num_clks, bc->clks);
-
- return 0;
-}
-
-static struct lock_class_key blk_ctrl_genpd_lock_class;
-
-static int imx93_blk_ctrl_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- const struct imx93_blk_ctrl_data *bc_data = of_device_get_match_data(dev);
- struct imx93_blk_ctrl *bc;
- void __iomem *base;
- int i, ret;
-
- struct regmap_config regmap_config = {
- .reg_bits = 32,
- .val_bits = 32,
- .reg_stride = 4,
- .rd_table = bc_data->reg_access_table,
- .wr_table = bc_data->reg_access_table,
- .max_register = SZ_4K,
- };
-
- bc = devm_kzalloc(dev, sizeof(*bc), GFP_KERNEL);
- if (!bc)
- return -ENOMEM;
-
- bc->dev = dev;
-
- base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(base))
- return PTR_ERR(base);
-
- bc->regmap = devm_regmap_init_mmio(dev, base, ®map_config);
- if (IS_ERR(bc->regmap))
- return dev_err_probe(dev, PTR_ERR(bc->regmap),
- "failed to init regmap\n");
-
- bc->domains = devm_kcalloc(dev, bc_data->num_domains,
- sizeof(struct imx93_blk_ctrl_domain),
- GFP_KERNEL);
- if (!bc->domains)
- return -ENOMEM;
-
- bc->onecell_data.num_domains = bc_data->num_domains;
- bc->onecell_data.domains =
- devm_kcalloc(dev, bc_data->num_domains,
- sizeof(struct generic_pm_domain *), GFP_KERNEL);
- if (!bc->onecell_data.domains)
- return -ENOMEM;
-
- for (i = 0; i < bc_data->num_clks; i++)
- bc->clks[i].id = bc_data->clk_names[i];
- bc->num_clks = bc_data->num_clks;
-
- ret = devm_clk_bulk_get(dev, bc->num_clks, bc->clks);
- if (ret) {
- dev_err_probe(dev, ret, "failed to get bus clock\n");
- return ret;
- }
-
- for (i = 0; i < bc_data->num_domains; i++) {
- const struct imx93_blk_ctrl_domain_data *data = &bc_data->domains[i];
- struct imx93_blk_ctrl_domain *domain = &bc->domains[i];
- int j;
-
- domain->data = data;
-
- for (j = 0; j < data->num_clks; j++)
- domain->clks[j].id = data->clk_names[j];
-
- ret = devm_clk_bulk_get(dev, data->num_clks, domain->clks);
- if (ret) {
- dev_err_probe(dev, ret, "failed to get clock\n");
- goto cleanup_pds;
- }
-
- domain->genpd.name = data->name;
- domain->genpd.power_on = imx93_blk_ctrl_power_on;
- domain->genpd.power_off = imx93_blk_ctrl_power_off;
- domain->bc = bc;
-
- ret = pm_genpd_init(&domain->genpd, NULL, true);
- if (ret) {
- dev_err_probe(dev, ret, "failed to init power domain\n");
- goto cleanup_pds;
- }
-
- /*
- * We use runtime PM to trigger power on/off of the upstream GPC
- * domain, as a strict hierarchical parent/child power domain
- * setup doesn't allow us to meet the sequencing requirements.
- * This means we have nested locking of genpd locks, without the
- * nesting being visible at the genpd level, so we need a
- * separate lock class to make lockdep aware of the fact that
- * this are separate domain locks that can be nested without a
- * self-deadlock.
- */
- lockdep_set_class(&domain->genpd.mlock,
- &blk_ctrl_genpd_lock_class);
-
- bc->onecell_data.domains[i] = &domain->genpd;
- }
-
- pm_runtime_enable(dev);
-
- ret = of_genpd_add_provider_onecell(dev->of_node, &bc->onecell_data);
- if (ret) {
- dev_err_probe(dev, ret, "failed to add power domain provider\n");
- goto cleanup_pds;
- }
-
- dev_set_drvdata(dev, bc);
-
- return 0;
-
-cleanup_pds:
- for (i--; i >= 0; i--)
- pm_genpd_remove(&bc->domains[i].genpd);
-
- return ret;
-}
-
-static int imx93_blk_ctrl_remove(struct platform_device *pdev)
-{
- struct imx93_blk_ctrl *bc = dev_get_drvdata(&pdev->dev);
- int i;
-
- of_genpd_del_provider(pdev->dev.of_node);
-
- for (i = 0; bc->onecell_data.num_domains; i++) {
- struct imx93_blk_ctrl_domain *domain = &bc->domains[i];
-
- pm_genpd_remove(&domain->genpd);
- }
-
- return 0;
-}
-
-static const struct imx93_blk_ctrl_domain_data imx93_media_blk_ctl_domain_data[] = {
- [IMX93_MEDIABLK_PD_MIPI_DSI] = {
- .name = "mediablk-mipi-dsi",
- .clk_names = (const char *[]){ "dsi" },
- .num_clks = 1,
- .rst_mask = BIT(11) | BIT(12),
- .clk_mask = BIT(11) | BIT(12),
- },
- [IMX93_MEDIABLK_PD_MIPI_CSI] = {
- .name = "mediablk-mipi-csi",
- .clk_names = (const char *[]){ "cam", "csi" },
- .num_clks = 2,
- .rst_mask = BIT(9) | BIT(10),
- .clk_mask = BIT(9) | BIT(10),
- },
- [IMX93_MEDIABLK_PD_PXP] = {
- .name = "mediablk-pxp",
- .clk_names = (const char *[]){ "pxp" },
- .num_clks = 1,
- .rst_mask = BIT(7) | BIT(8),
- .clk_mask = BIT(7) | BIT(8),
- .num_qos = 2,
- .qos = {
- {
- .reg = PXP_QOS_REG,
- .cfg_off = PXP_R_CFG_QOS_OFF,
- .default_prio = PRIO(3),
- .cfg_prio = PRIO(6),
- }, {
- .reg = PXP_QOS_REG,
- .cfg_off = PXP_W_CFG_QOS_OFF,
- .default_prio = PRIO(3),
- .cfg_prio = PRIO(6),
- }
- }
- },
- [IMX93_MEDIABLK_PD_LCDIF] = {
- .name = "mediablk-lcdif",
- .clk_names = (const char *[]){ "disp", "lcdif" },
- .num_clks = 2,
- .rst_mask = BIT(4) | BIT(5) | BIT(6),
- .clk_mask = BIT(4) | BIT(5) | BIT(6),
- .num_qos = 1,
- .qos = {
- {
- .reg = LCDIF_QOS_REG,
- .cfg_off = LCDIF_CFG_QOS_OFF,
- .default_prio = PRIO(3),
- .cfg_prio = PRIO(7),
- }
- }
- },
- [IMX93_MEDIABLK_PD_ISI] = {
- .name = "mediablk-isi",
- .clk_names = (const char *[]){ "isi" },
- .num_clks = 1,
- .rst_mask = BIT(2) | BIT(3),
- .clk_mask = BIT(2) | BIT(3),
- .num_qos = 4,
- .qos = {
- {
- .reg = ISI_QOS_REG,
- .cfg_off = ISI_Y_W_CFG_QOS_OFF,
- .default_prio = PRIO(3),
- .cfg_prio = PRIO(7),
- }, {
- .reg = ISI_QOS_REG,
- .cfg_off = ISI_Y_R_CFG_QOS_OFF,
- .default_prio = PRIO(3),
- .cfg_prio = PRIO(7),
- }, {
- .reg = ISI_QOS_REG,
- .cfg_off = ISI_U_CFG_QOS_OFF,
- .default_prio = PRIO(3),
- .cfg_prio = PRIO(7),
- }, {
- .reg = ISI_QOS_REG,
- .cfg_off = ISI_V_CFG_QOS_OFF,
- .default_prio = PRIO(3),
- .cfg_prio = PRIO(7),
- }
- }
- },
-};
-
-static const struct regmap_range imx93_media_blk_ctl_yes_ranges[] = {
- regmap_reg_range(BLK_SFT_RSTN, BLK_CLK_EN),
- regmap_reg_range(LCDIF_QOS_REG, ISI_CACHE_REG),
- regmap_reg_range(ISI_QOS_REG, ISI_QOS_REG),
-};
-
-static const struct regmap_access_table imx93_media_blk_ctl_access_table = {
- .yes_ranges = imx93_media_blk_ctl_yes_ranges,
- .n_yes_ranges = ARRAY_SIZE(imx93_media_blk_ctl_yes_ranges),
-};
-
-static const struct imx93_blk_ctrl_data imx93_media_blk_ctl_dev_data = {
- .domains = imx93_media_blk_ctl_domain_data,
- .num_domains = ARRAY_SIZE(imx93_media_blk_ctl_domain_data),
- .clk_names = (const char *[]){ "axi", "apb", "nic", },
- .num_clks = 3,
- .reg_access_table = &imx93_media_blk_ctl_access_table,
-};
-
-static const struct of_device_id imx93_blk_ctrl_of_match[] = {
- {
- .compatible = "fsl,imx93-media-blk-ctrl",
- .data = &imx93_media_blk_ctl_dev_data
- }, {
- /* Sentinel */
- }
-};
-MODULE_DEVICE_TABLE(of, imx93_blk_ctrl_of_match);
-
-static struct platform_driver imx93_blk_ctrl_driver = {
- .probe = imx93_blk_ctrl_probe,
- .remove = imx93_blk_ctrl_remove,
- .driver = {
- .name = "imx93-blk-ctrl",
- .of_match_table = imx93_blk_ctrl_of_match,
- },
-};
-module_platform_driver(imx93_blk_ctrl_driver);
-
-MODULE_AUTHOR("Peng Fan <peng.fan@nxp.com>");
-MODULE_DESCRIPTION("i.MX93 BLK CTRL driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright 2022 NXP
- */
-
-#include <linux/clk.h>
-#include <linux/delay.h>
-#include <linux/iopoll.h>
-#include <linux/mod_devicetable.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-
-#define MIX_SLICE_SW_CTRL_OFF 0x20
-#define SLICE_SW_CTRL_PSW_CTRL_OFF_MASK BIT(4)
-#define SLICE_SW_CTRL_PDN_SOFT_MASK BIT(31)
-
-#define MIX_FUNC_STAT_OFF 0xB4
-
-#define FUNC_STAT_PSW_STAT_MASK BIT(0)
-#define FUNC_STAT_RST_STAT_MASK BIT(2)
-#define FUNC_STAT_ISO_STAT_MASK BIT(4)
-
-struct imx93_power_domain {
- struct generic_pm_domain genpd;
- struct device *dev;
- void __iomem *addr;
- struct clk_bulk_data *clks;
- int num_clks;
- bool init_off;
-};
-
-#define to_imx93_pd(_genpd) container_of(_genpd, struct imx93_power_domain, genpd)
-
-static int imx93_pd_on(struct generic_pm_domain *genpd)
-{
- struct imx93_power_domain *domain = to_imx93_pd(genpd);
- void __iomem *addr = domain->addr;
- u32 val;
- int ret;
-
- ret = clk_bulk_prepare_enable(domain->num_clks, domain->clks);
- if (ret) {
- dev_err(domain->dev, "failed to enable clocks for domain: %s\n", genpd->name);
- return ret;
- }
-
- val = readl(addr + MIX_SLICE_SW_CTRL_OFF);
- val &= ~SLICE_SW_CTRL_PDN_SOFT_MASK;
- writel(val, addr + MIX_SLICE_SW_CTRL_OFF);
-
- ret = readl_poll_timeout(addr + MIX_FUNC_STAT_OFF, val,
- !(val & FUNC_STAT_ISO_STAT_MASK), 1, 10000);
- if (ret) {
- dev_err(domain->dev, "pd_on timeout: name: %s, stat: %x\n", genpd->name, val);
- return ret;
- }
-
- return 0;
-}
-
-static int imx93_pd_off(struct generic_pm_domain *genpd)
-{
- struct imx93_power_domain *domain = to_imx93_pd(genpd);
- void __iomem *addr = domain->addr;
- int ret;
- u32 val;
-
- /* Power off MIX */
- val = readl(addr + MIX_SLICE_SW_CTRL_OFF);
- val |= SLICE_SW_CTRL_PDN_SOFT_MASK;
- writel(val, addr + MIX_SLICE_SW_CTRL_OFF);
-
- ret = readl_poll_timeout(addr + MIX_FUNC_STAT_OFF, val,
- val & FUNC_STAT_PSW_STAT_MASK, 1, 1000);
- if (ret) {
- dev_err(domain->dev, "pd_off timeout: name: %s, stat: %x\n", genpd->name, val);
- return ret;
- }
-
- clk_bulk_disable_unprepare(domain->num_clks, domain->clks);
-
- return 0;
-};
-
-static int imx93_pd_remove(struct platform_device *pdev)
-{
- struct imx93_power_domain *domain = platform_get_drvdata(pdev);
- struct device *dev = &pdev->dev;
- struct device_node *np = dev->of_node;
-
- if (!domain->init_off)
- clk_bulk_disable_unprepare(domain->num_clks, domain->clks);
-
- of_genpd_del_provider(np);
- pm_genpd_remove(&domain->genpd);
-
- return 0;
-}
-
-static int imx93_pd_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct device_node *np = dev->of_node;
- struct imx93_power_domain *domain;
- int ret;
-
- domain = devm_kzalloc(dev, sizeof(*domain), GFP_KERNEL);
- if (!domain)
- return -ENOMEM;
-
- domain->addr = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(domain->addr))
- return PTR_ERR(domain->addr);
-
- domain->num_clks = devm_clk_bulk_get_all(dev, &domain->clks);
- if (domain->num_clks < 0)
- return dev_err_probe(dev, domain->num_clks, "Failed to get domain's clocks\n");
-
- domain->genpd.name = dev_name(dev);
- domain->genpd.power_off = imx93_pd_off;
- domain->genpd.power_on = imx93_pd_on;
- domain->dev = dev;
-
- domain->init_off = readl(domain->addr + MIX_FUNC_STAT_OFF) & FUNC_STAT_ISO_STAT_MASK;
- /* Just to sync the status of hardware */
- if (!domain->init_off) {
- ret = clk_bulk_prepare_enable(domain->num_clks, domain->clks);
- if (ret) {
- dev_err(domain->dev, "failed to enable clocks for domain: %s\n",
- domain->genpd.name);
- return ret;
- }
- }
-
- ret = pm_genpd_init(&domain->genpd, NULL, domain->init_off);
- if (ret)
- goto err_clk_unprepare;
-
- platform_set_drvdata(pdev, domain);
-
- ret = of_genpd_add_provider_simple(np, &domain->genpd);
- if (ret)
- goto err_genpd_remove;
-
- return 0;
-
-err_genpd_remove:
- pm_genpd_remove(&domain->genpd);
-
-err_clk_unprepare:
- if (!domain->init_off)
- clk_bulk_disable_unprepare(domain->num_clks, domain->clks);
-
- return ret;
-}
-
-static const struct of_device_id imx93_pd_ids[] = {
- { .compatible = "fsl,imx93-src-slice" },
- { }
-};
-MODULE_DEVICE_TABLE(of, imx93_pd_ids);
-
-static struct platform_driver imx93_power_domain_driver = {
- .driver = {
- .name = "imx93_power_domain",
- .of_match_table = imx93_pd_ids,
- },
- .probe = imx93_pd_probe,
- .remove = imx93_pd_remove,
-};
-module_platform_driver(imx93_power_domain_driver);
-
-MODULE_AUTHOR("Peng Fan <peng.fan@nxp.com>");
-MODULE_DESCRIPTION("NXP i.MX93 power domain driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (C) 2016 Freescale Semiconductor, Inc.
- * Copyright 2017-2018 NXP
- * Dong Aisheng <aisheng.dong@nxp.com>
- *
- * Implementation of the SCU based Power Domains
- *
- * NOTE: a better implementation suggested by Ulf Hansson is using a
- * single global power domain and implement the ->attach|detach_dev()
- * callback for the genpd and use the regular of_genpd_add_provider_simple().
- * From within the ->attach_dev(), we could get the OF node for
- * the device that is being attached and then parse the power-domain
- * cell containing the "resource id" and store that in the per device
- * struct generic_pm_domain_data (we have void pointer there for
- * storing these kind of things).
- *
- * Additionally, we need to implement the ->stop() and ->start()
- * callbacks of genpd, which is where you "power on/off" devices,
- * rather than using the above ->power_on|off() callbacks.
- *
- * However, there're two known issues:
- * 1. The ->attach_dev() of power domain infrastructure still does
- * not support multi domains case as the struct device *dev passed
- * in is a virtual PD device, it does not help for parsing the real
- * device resource id from device tree, so it's unware of which
- * real sub power domain of device should be attached.
- *
- * The framework needs some proper extension to support multi power
- * domain cases.
- *
- * Update: Genpd assigns the ->of_node for the virtual device before it
- * invokes ->attach_dev() callback, hence parsing for device resources via
- * DT should work fine.
- *
- * 2. It also breaks most of current drivers as the driver probe sequence
- * behavior changed if removing ->power_on|off() callback and use
- * ->start() and ->stop() instead. genpd_dev_pm_attach will only power
- * up the domain and attach device, but will not call .start() which
- * relies on device runtime pm. That means the device power is still
- * not up before running driver probe function. For SCU enabled
- * platforms, all device drivers accessing registers/clock without power
- * domain enabled will trigger a HW access error. That means we need fix
- * most drivers probe sequence with proper runtime pm.
- *
- * Update: Runtime PM support isn't necessary. Instead, this can easily be
- * fixed in drivers by adding a call to dev_pm_domain_start() during probe.
- *
- * In summary, the second part needs to be addressed via minor updates to the
- * relevant drivers, before the "single global power domain" model can be used.
- *
- */
-
-#include <dt-bindings/firmware/imx/rsrc.h>
-#include <linux/console.h>
-#include <linux/firmware/imx/sci.h>
-#include <linux/firmware/imx/svc/rm.h>
-#include <linux/io.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_platform.h>
-#include <linux/platform_device.h>
-#include <linux/pm.h>
-#include <linux/pm_domain.h>
-#include <linux/slab.h>
-
-/* SCU Power Mode Protocol definition */
-struct imx_sc_msg_req_set_resource_power_mode {
- struct imx_sc_rpc_msg hdr;
- u16 resource;
- u8 mode;
-} __packed __aligned(4);
-
-struct req_get_resource_mode {
- u16 resource;
-};
-
-struct resp_get_resource_mode {
- u8 mode;
-};
-
-struct imx_sc_msg_req_get_resource_power_mode {
- struct imx_sc_rpc_msg hdr;
- union {
- struct req_get_resource_mode req;
- struct resp_get_resource_mode resp;
- } data;
-} __packed __aligned(4);
-
-#define IMX_SCU_PD_NAME_SIZE 20
-struct imx_sc_pm_domain {
- struct generic_pm_domain pd;
- char name[IMX_SCU_PD_NAME_SIZE];
- u32 rsrc;
-};
-
-struct imx_sc_pd_range {
- char *name;
- u32 rsrc;
- u8 num;
-
- /* add domain index */
- bool postfix;
- u8 start_from;
-};
-
-struct imx_sc_pd_soc {
- const struct imx_sc_pd_range *pd_ranges;
- u8 num_ranges;
-};
-
-static int imx_con_rsrc;
-
-/* Align with the IMX_SC_PM_PW_MODE_[OFF,STBY,LP,ON] macros */
-static const char * const imx_sc_pm_mode[] = {
- "IMX_SC_PM_PW_MODE_OFF",
- "IMX_SC_PM_PW_MODE_STBY",
- "IMX_SC_PM_PW_MODE_LP",
- "IMX_SC_PM_PW_MODE_ON"
-};
-
-static const struct imx_sc_pd_range imx8qxp_scu_pd_ranges[] = {
- /* LSIO SS */
- { "pwm", IMX_SC_R_PWM_0, 8, true, 0 },
- { "gpio", IMX_SC_R_GPIO_0, 8, true, 0 },
- { "gpt", IMX_SC_R_GPT_0, 5, true, 0 },
- { "kpp", IMX_SC_R_KPP, 1, false, 0 },
- { "fspi", IMX_SC_R_FSPI_0, 2, true, 0 },
- { "mu_a", IMX_SC_R_MU_0A, 14, true, 0 },
- { "mu_b", IMX_SC_R_MU_5B, 9, true, 5 },
-
- /* CONN SS */
- { "usb", IMX_SC_R_USB_0, 2, true, 0 },
- { "usb0phy", IMX_SC_R_USB_0_PHY, 1, false, 0 },
- { "usb1phy", IMX_SC_R_USB_1_PHY, 1, false, 0},
- { "usb2", IMX_SC_R_USB_2, 1, false, 0 },
- { "usb2phy", IMX_SC_R_USB_2_PHY, 1, false, 0 },
- { "sdhc", IMX_SC_R_SDHC_0, 3, true, 0 },
- { "enet", IMX_SC_R_ENET_0, 2, true, 0 },
- { "nand", IMX_SC_R_NAND, 1, false, 0 },
- { "mlb", IMX_SC_R_MLB_0, 1, true, 0 },
-
- /* AUDIO SS */
- { "audio-pll0", IMX_SC_R_AUDIO_PLL_0, 1, false, 0 },
- { "audio-pll1", IMX_SC_R_AUDIO_PLL_1, 1, false, 0 },
- { "audio-clk-0", IMX_SC_R_AUDIO_CLK_0, 1, false, 0 },
- { "audio-clk-1", IMX_SC_R_AUDIO_CLK_1, 1, false, 0 },
- { "mclk-out-0", IMX_SC_R_MCLK_OUT_0, 1, false, 0 },
- { "mclk-out-1", IMX_SC_R_MCLK_OUT_1, 1, false, 0 },
- { "dma0-ch", IMX_SC_R_DMA_0_CH0, 32, true, 0 },
- { "dma1-ch", IMX_SC_R_DMA_1_CH0, 16, true, 0 },
- { "dma2-ch", IMX_SC_R_DMA_2_CH0, 32, true, 0 },
- { "dma3-ch", IMX_SC_R_DMA_3_CH0, 32, true, 0 },
- { "asrc0", IMX_SC_R_ASRC_0, 1, false, 0 },
- { "asrc1", IMX_SC_R_ASRC_1, 1, false, 0 },
- { "esai0", IMX_SC_R_ESAI_0, 1, false, 0 },
- { "esai1", IMX_SC_R_ESAI_1, 1, false, 0 },
- { "spdif0", IMX_SC_R_SPDIF_0, 1, false, 0 },
- { "spdif1", IMX_SC_R_SPDIF_1, 1, false, 0 },
- { "sai", IMX_SC_R_SAI_0, 3, true, 0 },
- { "sai3", IMX_SC_R_SAI_3, 1, false, 0 },
- { "sai4", IMX_SC_R_SAI_4, 1, false, 0 },
- { "sai5", IMX_SC_R_SAI_5, 1, false, 0 },
- { "sai6", IMX_SC_R_SAI_6, 1, false, 0 },
- { "sai7", IMX_SC_R_SAI_7, 1, false, 0 },
- { "amix", IMX_SC_R_AMIX, 1, false, 0 },
- { "mqs0", IMX_SC_R_MQS_0, 1, false, 0 },
- { "dsp", IMX_SC_R_DSP, 1, false, 0 },
- { "dsp-ram", IMX_SC_R_DSP_RAM, 1, false, 0 },
-
- /* DMA SS */
- { "can", IMX_SC_R_CAN_0, 3, true, 0 },
- { "ftm", IMX_SC_R_FTM_0, 2, true, 0 },
- { "lpi2c", IMX_SC_R_I2C_0, 5, true, 0 },
- { "adc", IMX_SC_R_ADC_0, 2, true, 0 },
- { "lcd", IMX_SC_R_LCD_0, 1, true, 0 },
- { "lcd-pll", IMX_SC_R_ELCDIF_PLL, 1, true, 0 },
- { "lcd0-pwm", IMX_SC_R_LCD_0_PWM_0, 1, true, 0 },
- { "lpuart", IMX_SC_R_UART_0, 5, true, 0 },
- { "sim", IMX_SC_R_EMVSIM_0, 2, true, 0 },
- { "lpspi", IMX_SC_R_SPI_0, 4, true, 0 },
- { "irqstr_dsp", IMX_SC_R_IRQSTR_DSP, 1, false, 0 },
-
- /* VPU SS */
- { "vpu", IMX_SC_R_VPU, 1, false, 0 },
- { "vpu-pid", IMX_SC_R_VPU_PID0, 8, true, 0 },
- { "vpu-dec0", IMX_SC_R_VPU_DEC_0, 1, false, 0 },
- { "vpu-enc0", IMX_SC_R_VPU_ENC_0, 1, false, 0 },
- { "vpu-enc1", IMX_SC_R_VPU_ENC_1, 1, false, 0 },
- { "vpu-mu0", IMX_SC_R_VPU_MU_0, 1, false, 0 },
- { "vpu-mu1", IMX_SC_R_VPU_MU_1, 1, false, 0 },
- { "vpu-mu2", IMX_SC_R_VPU_MU_2, 1, false, 0 },
-
- /* GPU SS */
- { "gpu0-pid", IMX_SC_R_GPU_0_PID0, 4, true, 0 },
- { "gpu1-pid", IMX_SC_R_GPU_1_PID0, 4, true, 0 },
-
-
- /* HSIO SS */
- { "pcie-a", IMX_SC_R_PCIE_A, 1, false, 0 },
- { "serdes-0", IMX_SC_R_SERDES_0, 1, false, 0 },
- { "pcie-b", IMX_SC_R_PCIE_B, 1, false, 0 },
- { "serdes-1", IMX_SC_R_SERDES_1, 1, false, 0 },
- { "sata-0", IMX_SC_R_SATA_0, 1, false, 0 },
- { "hsio-gpio", IMX_SC_R_HSIO_GPIO, 1, false, 0 },
-
- /* MIPI SS */
- { "mipi0", IMX_SC_R_MIPI_0, 1, false, 0 },
- { "mipi0-pwm0", IMX_SC_R_MIPI_0_PWM_0, 1, false, 0 },
- { "mipi0-i2c", IMX_SC_R_MIPI_0_I2C_0, 2, true, 0 },
-
- { "mipi1", IMX_SC_R_MIPI_1, 1, false, 0 },
- { "mipi1-pwm0", IMX_SC_R_MIPI_1_PWM_0, 1, false, 0 },
- { "mipi1-i2c", IMX_SC_R_MIPI_1_I2C_0, 2, true, 0 },
-
- /* LVDS SS */
- { "lvds0", IMX_SC_R_LVDS_0, 1, false, 0 },
- { "lvds0-pwm", IMX_SC_R_LVDS_0_PWM_0, 1, false, 0 },
- { "lvds0-lpi2c", IMX_SC_R_LVDS_0_I2C_0, 2, true, 0 },
- { "lvds1", IMX_SC_R_LVDS_1, 1, false, 0 },
- { "lvds1-pwm", IMX_SC_R_LVDS_1_PWM_0, 1, false, 0 },
- { "lvds1-lpi2c", IMX_SC_R_LVDS_1_I2C_0, 2, true, 0 },
-
- { "mipi1", IMX_SC_R_MIPI_1, 1, 0 },
- { "mipi1-pwm0", IMX_SC_R_MIPI_1_PWM_0, 1, 0 },
- { "mipi1-i2c", IMX_SC_R_MIPI_1_I2C_0, 2, 1 },
- { "lvds1", IMX_SC_R_LVDS_1, 1, 0 },
-
- /* DC SS */
- { "dc0", IMX_SC_R_DC_0, 1, false, 0 },
- { "dc0-pll", IMX_SC_R_DC_0_PLL_0, 2, true, 0 },
- { "dc0-video", IMX_SC_R_DC_0_VIDEO0, 2, true, 0 },
-
- { "dc1", IMX_SC_R_DC_1, 1, false, 0 },
- { "dc1-pll", IMX_SC_R_DC_1_PLL_0, 2, true, 0 },
- { "dc1-video", IMX_SC_R_DC_1_VIDEO0, 2, true, 0 },
-
- /* CM40 SS */
- { "cm40-i2c", IMX_SC_R_M4_0_I2C, 1, false, 0 },
- { "cm40-intmux", IMX_SC_R_M4_0_INTMUX, 1, false, 0 },
- { "cm40-pid", IMX_SC_R_M4_0_PID0, 5, true, 0},
- { "cm40-mu-a1", IMX_SC_R_M4_0_MU_1A, 1, false, 0},
- { "cm40-lpuart", IMX_SC_R_M4_0_UART, 1, false, 0},
-
- /* CM41 SS */
- { "cm41-i2c", IMX_SC_R_M4_1_I2C, 1, false, 0 },
- { "cm41-intmux", IMX_SC_R_M4_1_INTMUX, 1, false, 0 },
- { "cm41-pid", IMX_SC_R_M4_1_PID0, 5, true, 0},
- { "cm41-mu-a1", IMX_SC_R_M4_1_MU_1A, 1, false, 0},
- { "cm41-lpuart", IMX_SC_R_M4_1_UART, 1, false, 0},
-
- /* CM41 SS */
- { "cm41_i2c", IMX_SC_R_M4_1_I2C, 1, false, 0 },
- { "cm41_intmux", IMX_SC_R_M4_1_INTMUX, 1, false, 0 },
-
- /* DB SS */
- { "perf", IMX_SC_R_PERF, 1, false, 0},
-
- /* IMAGE SS */
- { "img-jpegdec-mp", IMX_SC_R_MJPEG_DEC_MP, 1, false, 0 },
- { "img-jpegdec-s0", IMX_SC_R_MJPEG_DEC_S0, 4, true, 0 },
- { "img-jpegenc-mp", IMX_SC_R_MJPEG_ENC_MP, 1, false, 0 },
- { "img-jpegenc-s0", IMX_SC_R_MJPEG_ENC_S0, 4, true, 0 },
-
- /* SECO SS */
- { "seco_mu", IMX_SC_R_SECO_MU_2, 3, true, 2},
-
- /* V2X SS */
- { "v2x_mu", IMX_SC_R_V2X_MU_0, 2, true, 0},
- { "v2x_mu", IMX_SC_R_V2X_MU_2, 1, true, 2},
- { "v2x_mu", IMX_SC_R_V2X_MU_3, 2, true, 3},
- { "img-pdma", IMX_SC_R_ISI_CH0, 8, true, 0 },
- { "img-csi0", IMX_SC_R_CSI_0, 1, false, 0 },
- { "img-csi0-i2c0", IMX_SC_R_CSI_0_I2C_0, 1, false, 0 },
- { "img-csi0-pwm0", IMX_SC_R_CSI_0_PWM_0, 1, false, 0 },
- { "img-csi1", IMX_SC_R_CSI_1, 1, false, 0 },
- { "img-csi1-i2c0", IMX_SC_R_CSI_1_I2C_0, 1, false, 0 },
- { "img-csi1-pwm0", IMX_SC_R_CSI_1_PWM_0, 1, false, 0 },
- { "img-parallel", IMX_SC_R_PI_0, 1, false, 0 },
- { "img-parallel-i2c0", IMX_SC_R_PI_0_I2C_0, 1, false, 0 },
- { "img-parallel-pwm0", IMX_SC_R_PI_0_PWM_0, 2, true, 0 },
- { "img-parallel-pll", IMX_SC_R_PI_0_PLL, 1, false, 0 },
-
- /* HDMI TX SS */
- { "hdmi-tx", IMX_SC_R_HDMI, 1, false, 0},
- { "hdmi-tx-i2s", IMX_SC_R_HDMI_I2S, 1, false, 0},
- { "hdmi-tx-i2c0", IMX_SC_R_HDMI_I2C_0, 1, false, 0},
- { "hdmi-tx-pll0", IMX_SC_R_HDMI_PLL_0, 1, false, 0},
- { "hdmi-tx-pll1", IMX_SC_R_HDMI_PLL_1, 1, false, 0},
-
- /* HDMI RX SS */
- { "hdmi-rx", IMX_SC_R_HDMI_RX, 1, false, 0},
- { "hdmi-rx-pwm", IMX_SC_R_HDMI_RX_PWM_0, 1, false, 0},
- { "hdmi-rx-i2c0", IMX_SC_R_HDMI_RX_I2C_0, 1, false, 0},
- { "hdmi-rx-bypass", IMX_SC_R_HDMI_RX_BYPASS, 1, false, 0},
-
- /* SECURITY SS */
- { "sec-jr", IMX_SC_R_CAAM_JR2, 2, true, 2},
-
- /* BOARD SS */
- { "board", IMX_SC_R_BOARD_R0, 8, true, 0},
-};
-
-static const struct imx_sc_pd_soc imx8qxp_scu_pd = {
- .pd_ranges = imx8qxp_scu_pd_ranges,
- .num_ranges = ARRAY_SIZE(imx8qxp_scu_pd_ranges),
-};
-
-static struct imx_sc_ipc *pm_ipc_handle;
-
-static inline struct imx_sc_pm_domain *
-to_imx_sc_pd(struct generic_pm_domain *genpd)
-{
- return container_of(genpd, struct imx_sc_pm_domain, pd);
-}
-
-static void imx_sc_pd_get_console_rsrc(void)
-{
- struct of_phandle_args specs;
- int ret;
-
- if (!of_stdout)
- return;
-
- ret = of_parse_phandle_with_args(of_stdout, "power-domains",
- "#power-domain-cells",
- 0, &specs);
- if (ret)
- return;
-
- imx_con_rsrc = specs.args[0];
-}
-
-static int imx_sc_get_pd_power(struct device *dev, u32 rsrc)
-{
- struct imx_sc_msg_req_get_resource_power_mode msg;
- struct imx_sc_rpc_msg *hdr = &msg.hdr;
- int ret;
-
- hdr->ver = IMX_SC_RPC_VERSION;
- hdr->svc = IMX_SC_RPC_SVC_PM;
- hdr->func = IMX_SC_PM_FUNC_GET_RESOURCE_POWER_MODE;
- hdr->size = 2;
-
- msg.data.req.resource = rsrc;
-
- ret = imx_scu_call_rpc(pm_ipc_handle, &msg, true);
- if (ret)
- dev_err(dev, "failed to get power resource %d mode, ret %d\n",
- rsrc, ret);
-
- return msg.data.resp.mode;
-}
-
-static int imx_sc_pd_power(struct generic_pm_domain *domain, bool power_on)
-{
- struct imx_sc_msg_req_set_resource_power_mode msg;
- struct imx_sc_rpc_msg *hdr = &msg.hdr;
- struct imx_sc_pm_domain *pd;
- int ret;
-
- pd = to_imx_sc_pd(domain);
-
- hdr->ver = IMX_SC_RPC_VERSION;
- hdr->svc = IMX_SC_RPC_SVC_PM;
- hdr->func = IMX_SC_PM_FUNC_SET_RESOURCE_POWER_MODE;
- hdr->size = 2;
-
- msg.resource = pd->rsrc;
- msg.mode = power_on ? IMX_SC_PM_PW_MODE_ON : IMX_SC_PM_PW_MODE_LP;
-
- /* keep uart console power on for no_console_suspend */
- if (imx_con_rsrc == pd->rsrc && !console_suspend_enabled && !power_on)
- return -EBUSY;
-
- ret = imx_scu_call_rpc(pm_ipc_handle, &msg, true);
- if (ret)
- dev_err(&domain->dev, "failed to power %s resource %d ret %d\n",
- power_on ? "up" : "off", pd->rsrc, ret);
-
- return ret;
-}
-
-static int imx_sc_pd_power_on(struct generic_pm_domain *domain)
-{
- return imx_sc_pd_power(domain, true);
-}
-
-static int imx_sc_pd_power_off(struct generic_pm_domain *domain)
-{
- return imx_sc_pd_power(domain, false);
-}
-
-static struct generic_pm_domain *imx_scu_pd_xlate(struct of_phandle_args *spec,
- void *data)
-{
- struct generic_pm_domain *domain = ERR_PTR(-ENOENT);
- struct genpd_onecell_data *pd_data = data;
- unsigned int i;
-
- for (i = 0; i < pd_data->num_domains; i++) {
- struct imx_sc_pm_domain *sc_pd;
-
- sc_pd = to_imx_sc_pd(pd_data->domains[i]);
- if (sc_pd->rsrc == spec->args[0]) {
- domain = &sc_pd->pd;
- break;
- }
- }
-
- return domain;
-}
-
-static struct imx_sc_pm_domain *
-imx_scu_add_pm_domain(struct device *dev, int idx,
- const struct imx_sc_pd_range *pd_ranges)
-{
- struct imx_sc_pm_domain *sc_pd;
- bool is_off;
- int mode, ret;
-
- if (!imx_sc_rm_is_resource_owned(pm_ipc_handle, pd_ranges->rsrc + idx))
- return NULL;
-
- sc_pd = devm_kzalloc(dev, sizeof(*sc_pd), GFP_KERNEL);
- if (!sc_pd)
- return ERR_PTR(-ENOMEM);
-
- sc_pd->rsrc = pd_ranges->rsrc + idx;
- sc_pd->pd.power_off = imx_sc_pd_power_off;
- sc_pd->pd.power_on = imx_sc_pd_power_on;
-
- if (pd_ranges->postfix)
- snprintf(sc_pd->name, sizeof(sc_pd->name),
- "%s%i", pd_ranges->name, pd_ranges->start_from + idx);
- else
- snprintf(sc_pd->name, sizeof(sc_pd->name),
- "%s", pd_ranges->name);
-
- sc_pd->pd.name = sc_pd->name;
- if (imx_con_rsrc == sc_pd->rsrc)
- sc_pd->pd.flags = GENPD_FLAG_RPM_ALWAYS_ON;
-
- mode = imx_sc_get_pd_power(dev, pd_ranges->rsrc + idx);
- if (mode == IMX_SC_PM_PW_MODE_ON)
- is_off = false;
- else
- is_off = true;
-
- dev_dbg(dev, "%s : %s\n", sc_pd->name, imx_sc_pm_mode[mode]);
-
- if (sc_pd->rsrc >= IMX_SC_R_LAST) {
- dev_warn(dev, "invalid pd %s rsrc id %d found",
- sc_pd->name, sc_pd->rsrc);
-
- devm_kfree(dev, sc_pd);
- return NULL;
- }
-
- ret = pm_genpd_init(&sc_pd->pd, NULL, is_off);
- if (ret) {
- dev_warn(dev, "failed to init pd %s rsrc id %d",
- sc_pd->name, sc_pd->rsrc);
- devm_kfree(dev, sc_pd);
- return NULL;
- }
-
- return sc_pd;
-}
-
-static int imx_scu_init_pm_domains(struct device *dev,
- const struct imx_sc_pd_soc *pd_soc)
-{
- const struct imx_sc_pd_range *pd_ranges = pd_soc->pd_ranges;
- struct generic_pm_domain **domains;
- struct genpd_onecell_data *pd_data;
- struct imx_sc_pm_domain *sc_pd;
- u32 count = 0;
- int i, j;
-
- for (i = 0; i < pd_soc->num_ranges; i++)
- count += pd_ranges[i].num;
-
- domains = devm_kcalloc(dev, count, sizeof(*domains), GFP_KERNEL);
- if (!domains)
- return -ENOMEM;
-
- pd_data = devm_kzalloc(dev, sizeof(*pd_data), GFP_KERNEL);
- if (!pd_data)
- return -ENOMEM;
-
- count = 0;
- for (i = 0; i < pd_soc->num_ranges; i++) {
- for (j = 0; j < pd_ranges[i].num; j++) {
- sc_pd = imx_scu_add_pm_domain(dev, j, &pd_ranges[i]);
- if (IS_ERR_OR_NULL(sc_pd))
- continue;
-
- domains[count++] = &sc_pd->pd;
- dev_dbg(dev, "added power domain %s\n", sc_pd->pd.name);
- }
- }
-
- pd_data->domains = domains;
- pd_data->num_domains = count;
- pd_data->xlate = imx_scu_pd_xlate;
-
- of_genpd_add_provider_onecell(dev->of_node, pd_data);
-
- return 0;
-}
-
-static int imx_sc_pd_probe(struct platform_device *pdev)
-{
- const struct imx_sc_pd_soc *pd_soc;
- int ret;
-
- ret = imx_scu_get_handle(&pm_ipc_handle);
- if (ret)
- return ret;
-
- pd_soc = of_device_get_match_data(&pdev->dev);
- if (!pd_soc)
- return -ENODEV;
-
- imx_sc_pd_get_console_rsrc();
-
- return imx_scu_init_pm_domains(&pdev->dev, pd_soc);
-}
-
-static const struct of_device_id imx_sc_pd_match[] = {
- { .compatible = "fsl,imx8qxp-scu-pd", &imx8qxp_scu_pd},
- { .compatible = "fsl,scu-pd", &imx8qxp_scu_pd},
- { /* sentinel */ }
-};
-
-static struct platform_driver imx_sc_pd_driver = {
- .driver = {
- .name = "imx-scu-pd",
- .of_match_table = imx_sc_pd_match,
- .suppress_bind_attrs = true,
- },
- .probe = imx_sc_pd_probe,
-};
-builtin_platform_driver(imx_sc_pd_driver);
-
-MODULE_AUTHOR("Dong Aisheng <aisheng.dong@nxp.com>");
-MODULE_DESCRIPTION("IMX SCU Power Domain driver");
-MODULE_LICENSE("GPL v2");
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_MTK_SCPSYS) += mtk-scpsys.o
-obj-$(CONFIG_MTK_SCPSYS_PM_DOMAINS) += mtk-pm-domains.o
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#ifndef __SOC_MEDIATEK_MT6795_PM_DOMAINS_H
-#define __SOC_MEDIATEK_MT6795_PM_DOMAINS_H
-
-#include "mtk-pm-domains.h"
-#include <dt-bindings/power/mt6795-power.h>
-
-/*
- * MT6795 power domain support
- */
-
-static const struct scpsys_domain_data scpsys_domain_data_mt6795[] = {
- [MT6795_POWER_DOMAIN_VDEC] = {
- .name = "vdec",
- .sta_mask = PWR_STATUS_VDEC,
- .ctl_offs = SPM_VDE_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- },
- [MT6795_POWER_DOMAIN_VENC] = {
- .name = "venc",
- .sta_mask = PWR_STATUS_VENC,
- .ctl_offs = SPM_VEN_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- },
- [MT6795_POWER_DOMAIN_ISP] = {
- .name = "isp",
- .sta_mask = PWR_STATUS_ISP,
- .ctl_offs = SPM_ISP_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(13, 12),
- },
- [MT6795_POWER_DOMAIN_MM] = {
- .name = "mm",
- .sta_mask = PWR_STATUS_DISP,
- .ctl_offs = SPM_DIS_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_UPDATE_TOPAXI(MT8173_TOP_AXI_PROT_EN_MM_M0 |
- MT8173_TOP_AXI_PROT_EN_MM_M1),
- },
- },
- [MT6795_POWER_DOMAIN_MJC] = {
- .name = "mjc",
- .sta_mask = BIT(20),
- .ctl_offs = 0x298,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- },
- [MT6795_POWER_DOMAIN_AUDIO] = {
- .name = "audio",
- .sta_mask = PWR_STATUS_AUDIO,
- .ctl_offs = SPM_AUDIO_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- },
- [MT6795_POWER_DOMAIN_MFG_ASYNC] = {
- .name = "mfg_async",
- .sta_mask = PWR_STATUS_MFG_ASYNC,
- .ctl_offs = SPM_MFG_ASYNC_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = 0,
- },
- [MT6795_POWER_DOMAIN_MFG_2D] = {
- .name = "mfg_2d",
- .sta_mask = PWR_STATUS_MFG_2D,
- .ctl_offs = SPM_MFG_2D_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(13, 12),
- },
- [MT6795_POWER_DOMAIN_MFG] = {
- .name = "mfg",
- .sta_mask = PWR_STATUS_MFG,
- .ctl_offs = SPM_MFG_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(13, 8),
- .sram_pdn_ack_bits = GENMASK(21, 16),
- .bp_infracfg = {
- BUS_PROT_UPDATE_TOPAXI(MT8173_TOP_AXI_PROT_EN_MFG_S |
- MT8173_TOP_AXI_PROT_EN_MFG_M0 |
- MT8173_TOP_AXI_PROT_EN_MFG_M1 |
- MT8173_TOP_AXI_PROT_EN_MFG_SNOOP_OUT),
- },
- },
-};
-
-static const struct scpsys_soc_data mt6795_scpsys_data = {
- .domains_data = scpsys_domain_data_mt6795,
- .num_domains = ARRAY_SIZE(scpsys_domain_data_mt6795),
-};
-
-#endif /* __SOC_MEDIATEK_MT6795_PM_DOMAINS_H */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#ifndef __SOC_MEDIATEK_MT8167_PM_DOMAINS_H
-#define __SOC_MEDIATEK_MT8167_PM_DOMAINS_H
-
-#include "mtk-pm-domains.h"
-#include <dt-bindings/power/mt8167-power.h>
-
-#define MT8167_PWR_STATUS_MFG_2D BIT(24)
-#define MT8167_PWR_STATUS_MFG_ASYNC BIT(25)
-
-/*
- * MT8167 power domain support
- */
-
-static const struct scpsys_domain_data scpsys_domain_data_mt8167[] = {
- [MT8167_POWER_DOMAIN_MM] = {
- .name = "mm",
- .sta_mask = PWR_STATUS_DISP,
- .ctl_offs = SPM_DIS_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_UPDATE_TOPAXI(MT8167_TOP_AXI_PROT_EN_MM_EMI |
- MT8167_TOP_AXI_PROT_EN_MCU_MM),
- },
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT8167_POWER_DOMAIN_VDEC] = {
- .name = "vdec",
- .sta_mask = PWR_STATUS_VDEC,
- .ctl_offs = SPM_VDE_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT8167_POWER_DOMAIN_ISP] = {
- .name = "isp",
- .sta_mask = PWR_STATUS_ISP,
- .ctl_offs = SPM_ISP_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(13, 12),
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT8167_POWER_DOMAIN_MFG_ASYNC] = {
- .name = "mfg_async",
- .sta_mask = MT8167_PWR_STATUS_MFG_ASYNC,
- .ctl_offs = SPM_MFG_ASYNC_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = 0,
- .sram_pdn_ack_bits = 0,
- .bp_infracfg = {
- BUS_PROT_UPDATE_TOPAXI(MT8167_TOP_AXI_PROT_EN_MCU_MFG |
- MT8167_TOP_AXI_PROT_EN_MFG_EMI),
- },
- },
- [MT8167_POWER_DOMAIN_MFG_2D] = {
- .name = "mfg_2d",
- .sta_mask = MT8167_PWR_STATUS_MFG_2D,
- .ctl_offs = SPM_MFG_2D_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- },
- [MT8167_POWER_DOMAIN_MFG] = {
- .name = "mfg",
- .sta_mask = PWR_STATUS_MFG,
- .ctl_offs = SPM_MFG_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- },
- [MT8167_POWER_DOMAIN_CONN] = {
- .name = "conn",
- .sta_mask = PWR_STATUS_CONN,
- .ctl_offs = SPM_CONN_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = 0,
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- .bp_infracfg = {
- BUS_PROT_UPDATE_TOPAXI(MT8167_TOP_AXI_PROT_EN_CONN_EMI |
- MT8167_TOP_AXI_PROT_EN_CONN_MCU |
- MT8167_TOP_AXI_PROT_EN_MCU_CONN),
- },
- },
-};
-
-static const struct scpsys_soc_data mt8167_scpsys_data = {
- .domains_data = scpsys_domain_data_mt8167,
- .num_domains = ARRAY_SIZE(scpsys_domain_data_mt8167),
-};
-
-#endif /* __SOC_MEDIATEK_MT8167_PM_DOMAINS_H */
-
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#ifndef __SOC_MEDIATEK_MT8173_PM_DOMAINS_H
-#define __SOC_MEDIATEK_MT8173_PM_DOMAINS_H
-
-#include "mtk-pm-domains.h"
-#include <dt-bindings/power/mt8173-power.h>
-
-/*
- * MT8173 power domain support
- */
-
-static const struct scpsys_domain_data scpsys_domain_data_mt8173[] = {
- [MT8173_POWER_DOMAIN_VDEC] = {
- .name = "vdec",
- .sta_mask = PWR_STATUS_VDEC,
- .ctl_offs = SPM_VDE_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- },
- [MT8173_POWER_DOMAIN_VENC] = {
- .name = "venc",
- .sta_mask = PWR_STATUS_VENC,
- .ctl_offs = SPM_VEN_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- },
- [MT8173_POWER_DOMAIN_ISP] = {
- .name = "isp",
- .sta_mask = PWR_STATUS_ISP,
- .ctl_offs = SPM_ISP_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(13, 12),
- },
- [MT8173_POWER_DOMAIN_MM] = {
- .name = "mm",
- .sta_mask = PWR_STATUS_DISP,
- .ctl_offs = SPM_DIS_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_UPDATE_TOPAXI(MT8173_TOP_AXI_PROT_EN_MM_M0 |
- MT8173_TOP_AXI_PROT_EN_MM_M1),
- },
- },
- [MT8173_POWER_DOMAIN_VENC_LT] = {
- .name = "venc_lt",
- .sta_mask = PWR_STATUS_VENC_LT,
- .ctl_offs = SPM_VEN2_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- },
- [MT8173_POWER_DOMAIN_AUDIO] = {
- .name = "audio",
- .sta_mask = PWR_STATUS_AUDIO,
- .ctl_offs = SPM_AUDIO_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- },
- [MT8173_POWER_DOMAIN_USB] = {
- .name = "usb",
- .sta_mask = PWR_STATUS_USB,
- .ctl_offs = SPM_USB_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT8173_POWER_DOMAIN_MFG_ASYNC] = {
- .name = "mfg_async",
- .sta_mask = PWR_STATUS_MFG_ASYNC,
- .ctl_offs = SPM_MFG_ASYNC_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = 0,
- .caps = MTK_SCPD_DOMAIN_SUPPLY,
- },
- [MT8173_POWER_DOMAIN_MFG_2D] = {
- .name = "mfg_2d",
- .sta_mask = PWR_STATUS_MFG_2D,
- .ctl_offs = SPM_MFG_2D_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(13, 12),
- },
- [MT8173_POWER_DOMAIN_MFG] = {
- .name = "mfg",
- .sta_mask = PWR_STATUS_MFG,
- .ctl_offs = SPM_MFG_PWR_CON,
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
- .sram_pdn_bits = GENMASK(13, 8),
- .sram_pdn_ack_bits = GENMASK(21, 16),
- .bp_infracfg = {
- BUS_PROT_UPDATE_TOPAXI(MT8173_TOP_AXI_PROT_EN_MFG_S |
- MT8173_TOP_AXI_PROT_EN_MFG_M0 |
- MT8173_TOP_AXI_PROT_EN_MFG_M1 |
- MT8173_TOP_AXI_PROT_EN_MFG_SNOOP_OUT),
- },
- },
-};
-
-static const struct scpsys_soc_data mt8173_scpsys_data = {
- .domains_data = scpsys_domain_data_mt8173,
- .num_domains = ARRAY_SIZE(scpsys_domain_data_mt8173),
-};
-
-#endif /* __SOC_MEDIATEK_MT8173_PM_DOMAINS_H */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#ifndef __SOC_MEDIATEK_MT8183_PM_DOMAINS_H
-#define __SOC_MEDIATEK_MT8183_PM_DOMAINS_H
-
-#include "mtk-pm-domains.h"
-#include <dt-bindings/power/mt8183-power.h>
-
-/*
- * MT8183 power domain support
- */
-
-static const struct scpsys_domain_data scpsys_domain_data_mt8183[] = {
- [MT8183_POWER_DOMAIN_AUDIO] = {
- .name = "audio",
- .sta_mask = PWR_STATUS_AUDIO,
- .ctl_offs = 0x0314,
- .pwr_sta_offs = 0x0180,
- .pwr_sta2nd_offs = 0x0184,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- },
- [MT8183_POWER_DOMAIN_CONN] = {
- .name = "conn",
- .sta_mask = PWR_STATUS_CONN,
- .ctl_offs = 0x032c,
- .pwr_sta_offs = 0x0180,
- .pwr_sta2nd_offs = 0x0184,
- .sram_pdn_bits = 0,
- .sram_pdn_ack_bits = 0,
- .bp_infracfg = {
- BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_CONN, MT8183_TOP_AXI_PROT_EN_SET,
- MT8183_TOP_AXI_PROT_EN_CLR, MT8183_TOP_AXI_PROT_EN_STA1),
- },
- },
- [MT8183_POWER_DOMAIN_MFG_ASYNC] = {
- .name = "mfg_async",
- .sta_mask = PWR_STATUS_MFG_ASYNC,
- .ctl_offs = 0x0334,
- .pwr_sta_offs = 0x0180,
- .pwr_sta2nd_offs = 0x0184,
- .sram_pdn_bits = 0,
- .sram_pdn_ack_bits = 0,
- .caps = MTK_SCPD_DOMAIN_SUPPLY,
- },
- [MT8183_POWER_DOMAIN_MFG] = {
- .name = "mfg",
- .sta_mask = PWR_STATUS_MFG,
- .ctl_offs = 0x0338,
- .pwr_sta_offs = 0x0180,
- .pwr_sta2nd_offs = 0x0184,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .caps = MTK_SCPD_DOMAIN_SUPPLY,
- },
- [MT8183_POWER_DOMAIN_MFG_CORE0] = {
- .name = "mfg_core0",
- .sta_mask = BIT(7),
- .ctl_offs = 0x034c,
- .pwr_sta_offs = 0x0180,
- .pwr_sta2nd_offs = 0x0184,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- },
- [MT8183_POWER_DOMAIN_MFG_CORE1] = {
- .name = "mfg_core1",
- .sta_mask = BIT(20),
- .ctl_offs = 0x0310,
- .pwr_sta_offs = 0x0180,
- .pwr_sta2nd_offs = 0x0184,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- },
- [MT8183_POWER_DOMAIN_MFG_2D] = {
- .name = "mfg_2d",
- .sta_mask = PWR_STATUS_MFG_2D,
- .ctl_offs = 0x0348,
- .pwr_sta_offs = 0x0180,
- .pwr_sta2nd_offs = 0x0184,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_1_MFG, MT8183_TOP_AXI_PROT_EN_1_SET,
- MT8183_TOP_AXI_PROT_EN_1_CLR, MT8183_TOP_AXI_PROT_EN_STA1_1),
- BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_MFG, MT8183_TOP_AXI_PROT_EN_SET,
- MT8183_TOP_AXI_PROT_EN_CLR, MT8183_TOP_AXI_PROT_EN_STA1),
- },
- },
- [MT8183_POWER_DOMAIN_DISP] = {
- .name = "disp",
- .sta_mask = PWR_STATUS_DISP,
- .ctl_offs = 0x030c,
- .pwr_sta_offs = 0x0180,
- .pwr_sta2nd_offs = 0x0184,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_1_DISP, MT8183_TOP_AXI_PROT_EN_1_SET,
- MT8183_TOP_AXI_PROT_EN_1_CLR, MT8183_TOP_AXI_PROT_EN_STA1_1),
- BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_DISP, MT8183_TOP_AXI_PROT_EN_SET,
- MT8183_TOP_AXI_PROT_EN_CLR, MT8183_TOP_AXI_PROT_EN_STA1),
- },
- .bp_smi = {
- BUS_PROT_WR(MT8183_SMI_COMMON_SMI_CLAMP_DISP,
- MT8183_SMI_COMMON_CLAMP_EN_SET,
- MT8183_SMI_COMMON_CLAMP_EN_CLR,
- MT8183_SMI_COMMON_CLAMP_EN),
- },
- },
- [MT8183_POWER_DOMAIN_CAM] = {
- .name = "cam",
- .sta_mask = BIT(25),
- .ctl_offs = 0x0344,
- .pwr_sta_offs = 0x0180,
- .pwr_sta2nd_offs = 0x0184,
- .sram_pdn_bits = GENMASK(9, 8),
- .sram_pdn_ack_bits = GENMASK(13, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_MM_CAM, MT8183_TOP_AXI_PROT_EN_MM_SET,
- MT8183_TOP_AXI_PROT_EN_MM_CLR, MT8183_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_CAM, MT8183_TOP_AXI_PROT_EN_SET,
- MT8183_TOP_AXI_PROT_EN_CLR, MT8183_TOP_AXI_PROT_EN_STA1),
- BUS_PROT_WR_IGN(MT8183_TOP_AXI_PROT_EN_MM_CAM_2ND,
- MT8183_TOP_AXI_PROT_EN_MM_SET,
- MT8183_TOP_AXI_PROT_EN_MM_CLR,
- MT8183_TOP_AXI_PROT_EN_MM_STA1),
- },
- .bp_smi = {
- BUS_PROT_WR(MT8183_SMI_COMMON_SMI_CLAMP_CAM,
- MT8183_SMI_COMMON_CLAMP_EN_SET,
- MT8183_SMI_COMMON_CLAMP_EN_CLR,
- MT8183_SMI_COMMON_CLAMP_EN),
- },
- },
- [MT8183_POWER_DOMAIN_ISP] = {
- .name = "isp",
- .sta_mask = PWR_STATUS_ISP,
- .ctl_offs = 0x0308,
- .pwr_sta_offs = 0x0180,
- .pwr_sta2nd_offs = 0x0184,
- .sram_pdn_bits = GENMASK(9, 8),
- .sram_pdn_ack_bits = GENMASK(13, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_MM_ISP,
- MT8183_TOP_AXI_PROT_EN_MM_SET,
- MT8183_TOP_AXI_PROT_EN_MM_CLR,
- MT8183_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR_IGN(MT8183_TOP_AXI_PROT_EN_MM_ISP_2ND,
- MT8183_TOP_AXI_PROT_EN_MM_SET,
- MT8183_TOP_AXI_PROT_EN_MM_CLR,
- MT8183_TOP_AXI_PROT_EN_MM_STA1),
- },
- .bp_smi = {
- BUS_PROT_WR(MT8183_SMI_COMMON_SMI_CLAMP_ISP,
- MT8183_SMI_COMMON_CLAMP_EN_SET,
- MT8183_SMI_COMMON_CLAMP_EN_CLR,
- MT8183_SMI_COMMON_CLAMP_EN),
- },
- },
- [MT8183_POWER_DOMAIN_VDEC] = {
- .name = "vdec",
- .sta_mask = BIT(31),
- .ctl_offs = 0x0300,
- .pwr_sta_offs = 0x0180,
- .pwr_sta2nd_offs = 0x0184,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_smi = {
- BUS_PROT_WR(MT8183_SMI_COMMON_SMI_CLAMP_VDEC,
- MT8183_SMI_COMMON_CLAMP_EN_SET,
- MT8183_SMI_COMMON_CLAMP_EN_CLR,
- MT8183_SMI_COMMON_CLAMP_EN),
- },
- },
- [MT8183_POWER_DOMAIN_VENC] = {
- .name = "venc",
- .sta_mask = PWR_STATUS_VENC,
- .ctl_offs = 0x0304,
- .pwr_sta_offs = 0x0180,
- .pwr_sta2nd_offs = 0x0184,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- .bp_smi = {
- BUS_PROT_WR(MT8183_SMI_COMMON_SMI_CLAMP_VENC,
- MT8183_SMI_COMMON_CLAMP_EN_SET,
- MT8183_SMI_COMMON_CLAMP_EN_CLR,
- MT8183_SMI_COMMON_CLAMP_EN),
- },
- },
- [MT8183_POWER_DOMAIN_VPU_TOP] = {
- .name = "vpu_top",
- .sta_mask = BIT(26),
- .ctl_offs = 0x0324,
- .pwr_sta_offs = 0x0180,
- .pwr_sta2nd_offs = 0x0184,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_MM_VPU_TOP,
- MT8183_TOP_AXI_PROT_EN_MM_SET,
- MT8183_TOP_AXI_PROT_EN_MM_CLR,
- MT8183_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_VPU_TOP,
- MT8183_TOP_AXI_PROT_EN_SET,
- MT8183_TOP_AXI_PROT_EN_CLR,
- MT8183_TOP_AXI_PROT_EN_STA1),
- BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_MM_VPU_TOP_2ND,
- MT8183_TOP_AXI_PROT_EN_MM_SET,
- MT8183_TOP_AXI_PROT_EN_MM_CLR,
- MT8183_TOP_AXI_PROT_EN_MM_STA1),
- },
- .bp_smi = {
- BUS_PROT_WR(MT8183_SMI_COMMON_SMI_CLAMP_VPU_TOP,
- MT8183_SMI_COMMON_CLAMP_EN_SET,
- MT8183_SMI_COMMON_CLAMP_EN_CLR,
- MT8183_SMI_COMMON_CLAMP_EN),
- },
- },
- [MT8183_POWER_DOMAIN_VPU_CORE0] = {
- .name = "vpu_core0",
- .sta_mask = BIT(27),
- .ctl_offs = 0x33c,
- .pwr_sta_offs = 0x0180,
- .pwr_sta2nd_offs = 0x0184,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(13, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_MCU_VPU_CORE0,
- MT8183_TOP_AXI_PROT_EN_MCU_SET,
- MT8183_TOP_AXI_PROT_EN_MCU_CLR,
- MT8183_TOP_AXI_PROT_EN_MCU_STA1),
- BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_MCU_VPU_CORE0_2ND,
- MT8183_TOP_AXI_PROT_EN_MCU_SET,
- MT8183_TOP_AXI_PROT_EN_MCU_CLR,
- MT8183_TOP_AXI_PROT_EN_MCU_STA1),
- },
- .caps = MTK_SCPD_SRAM_ISO,
- },
- [MT8183_POWER_DOMAIN_VPU_CORE1] = {
- .name = "vpu_core1",
- .sta_mask = BIT(28),
- .ctl_offs = 0x0340,
- .pwr_sta_offs = 0x0180,
- .pwr_sta2nd_offs = 0x0184,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(13, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_MCU_VPU_CORE1,
- MT8183_TOP_AXI_PROT_EN_MCU_SET,
- MT8183_TOP_AXI_PROT_EN_MCU_CLR,
- MT8183_TOP_AXI_PROT_EN_MCU_STA1),
- BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_MCU_VPU_CORE1_2ND,
- MT8183_TOP_AXI_PROT_EN_MCU_SET,
- MT8183_TOP_AXI_PROT_EN_MCU_CLR,
- MT8183_TOP_AXI_PROT_EN_MCU_STA1),
- },
- .caps = MTK_SCPD_SRAM_ISO,
- },
-};
-
-static const struct scpsys_soc_data mt8183_scpsys_data = {
- .domains_data = scpsys_domain_data_mt8183,
- .num_domains = ARRAY_SIZE(scpsys_domain_data_mt8183),
-};
-
-#endif /* __SOC_MEDIATEK_MT8183_PM_DOMAINS_H */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (c) 2022 MediaTek Inc.
- * Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
- */
-
-#ifndef __SOC_MEDIATEK_MT8186_PM_DOMAINS_H
-#define __SOC_MEDIATEK_MT8186_PM_DOMAINS_H
-
-#include "mtk-pm-domains.h"
-#include <dt-bindings/power/mt8186-power.h>
-
-/*
- * MT8186 power domain support
- */
-
-static const struct scpsys_domain_data scpsys_domain_data_mt8186[] = {
- [MT8186_POWER_DOMAIN_MFG0] = {
- .name = "mfg0",
- .sta_mask = BIT(2),
- .ctl_offs = 0x308,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
- },
- [MT8186_POWER_DOMAIN_MFG1] = {
- .name = "mfg1",
- .sta_mask = BIT(3),
- .ctl_offs = 0x30c,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_MFG1_STEP1,
- MT8186_TOP_AXI_PROT_EN_1_SET,
- MT8186_TOP_AXI_PROT_EN_1_CLR,
- MT8186_TOP_AXI_PROT_EN_1_STA),
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_MFG1_STEP2,
- MT8186_TOP_AXI_PROT_EN_SET,
- MT8186_TOP_AXI_PROT_EN_CLR,
- MT8186_TOP_AXI_PROT_EN_STA),
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_MFG1_STEP3,
- MT8186_TOP_AXI_PROT_EN_SET,
- MT8186_TOP_AXI_PROT_EN_CLR,
- MT8186_TOP_AXI_PROT_EN_STA),
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_MFG1_STEP4,
- MT8186_TOP_AXI_PROT_EN_1_SET,
- MT8186_TOP_AXI_PROT_EN_1_CLR,
- MT8186_TOP_AXI_PROT_EN_1_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
- },
- [MT8186_POWER_DOMAIN_MFG2] = {
- .name = "mfg2",
- .sta_mask = BIT(4),
- .ctl_offs = 0x310,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8186_POWER_DOMAIN_MFG3] = {
- .name = "mfg3",
- .sta_mask = BIT(5),
- .ctl_offs = 0x314,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8186_POWER_DOMAIN_SSUSB] = {
- .name = "ssusb",
- .sta_mask = BIT(20),
- .ctl_offs = 0x9F0,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT8186_POWER_DOMAIN_SSUSB_P1] = {
- .name = "ssusb_p1",
- .sta_mask = BIT(19),
- .ctl_offs = 0x9F4,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT8186_POWER_DOMAIN_DIS] = {
- .name = "dis",
- .sta_mask = BIT(21),
- .ctl_offs = 0x354,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_DIS_STEP1,
- MT8186_TOP_AXI_PROT_EN_1_SET,
- MT8186_TOP_AXI_PROT_EN_1_CLR,
- MT8186_TOP_AXI_PROT_EN_1_STA),
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_DIS_STEP2,
- MT8186_TOP_AXI_PROT_EN_SET,
- MT8186_TOP_AXI_PROT_EN_CLR,
- MT8186_TOP_AXI_PROT_EN_STA),
- },
- },
- [MT8186_POWER_DOMAIN_IMG] = {
- .name = "img",
- .sta_mask = BIT(13),
- .ctl_offs = 0x334,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_IMG_STEP1,
- MT8186_TOP_AXI_PROT_EN_1_SET,
- MT8186_TOP_AXI_PROT_EN_1_CLR,
- MT8186_TOP_AXI_PROT_EN_1_STA),
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_IMG_STEP2,
- MT8186_TOP_AXI_PROT_EN_1_SET,
- MT8186_TOP_AXI_PROT_EN_1_CLR,
- MT8186_TOP_AXI_PROT_EN_1_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8186_POWER_DOMAIN_IMG2] = {
- .name = "img2",
- .sta_mask = BIT(14),
- .ctl_offs = 0x338,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8186_POWER_DOMAIN_IPE] = {
- .name = "ipe",
- .sta_mask = BIT(15),
- .ctl_offs = 0x33C,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_IPE_STEP1,
- MT8186_TOP_AXI_PROT_EN_1_SET,
- MT8186_TOP_AXI_PROT_EN_1_CLR,
- MT8186_TOP_AXI_PROT_EN_1_STA),
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_IPE_STEP2,
- MT8186_TOP_AXI_PROT_EN_1_SET,
- MT8186_TOP_AXI_PROT_EN_1_CLR,
- MT8186_TOP_AXI_PROT_EN_1_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8186_POWER_DOMAIN_CAM] = {
- .name = "cam",
- .sta_mask = BIT(23),
- .ctl_offs = 0x35C,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_CAM_STEP1,
- MT8186_TOP_AXI_PROT_EN_1_SET,
- MT8186_TOP_AXI_PROT_EN_1_CLR,
- MT8186_TOP_AXI_PROT_EN_1_STA),
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_CAM_STEP2,
- MT8186_TOP_AXI_PROT_EN_1_SET,
- MT8186_TOP_AXI_PROT_EN_1_CLR,
- MT8186_TOP_AXI_PROT_EN_1_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8186_POWER_DOMAIN_CAM_RAWA] = {
- .name = "cam_rawa",
- .sta_mask = BIT(24),
- .ctl_offs = 0x360,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8186_POWER_DOMAIN_CAM_RAWB] = {
- .name = "cam_rawb",
- .sta_mask = BIT(25),
- .ctl_offs = 0x364,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8186_POWER_DOMAIN_VENC] = {
- .name = "venc",
- .sta_mask = BIT(18),
- .ctl_offs = 0x348,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_VENC_STEP1,
- MT8186_TOP_AXI_PROT_EN_1_SET,
- MT8186_TOP_AXI_PROT_EN_1_CLR,
- MT8186_TOP_AXI_PROT_EN_1_STA),
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_VENC_STEP2,
- MT8186_TOP_AXI_PROT_EN_1_SET,
- MT8186_TOP_AXI_PROT_EN_1_CLR,
- MT8186_TOP_AXI_PROT_EN_1_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8186_POWER_DOMAIN_VDEC] = {
- .name = "vdec",
- .sta_mask = BIT(16),
- .ctl_offs = 0x340,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_VDEC_STEP1,
- MT8186_TOP_AXI_PROT_EN_1_SET,
- MT8186_TOP_AXI_PROT_EN_1_CLR,
- MT8186_TOP_AXI_PROT_EN_1_STA),
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_VDEC_STEP2,
- MT8186_TOP_AXI_PROT_EN_1_SET,
- MT8186_TOP_AXI_PROT_EN_1_CLR,
- MT8186_TOP_AXI_PROT_EN_1_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8186_POWER_DOMAIN_WPE] = {
- .name = "wpe",
- .sta_mask = BIT(0),
- .ctl_offs = 0x3F8,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_2_WPE_STEP1,
- MT8186_TOP_AXI_PROT_EN_2_SET,
- MT8186_TOP_AXI_PROT_EN_2_CLR,
- MT8186_TOP_AXI_PROT_EN_2_STA),
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_2_WPE_STEP2,
- MT8186_TOP_AXI_PROT_EN_2_SET,
- MT8186_TOP_AXI_PROT_EN_2_CLR,
- MT8186_TOP_AXI_PROT_EN_2_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8186_POWER_DOMAIN_CONN_ON] = {
- .name = "conn_on",
- .sta_mask = BIT(1),
- .ctl_offs = 0x304,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .bp_infracfg = {
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_CONN_ON_STEP1,
- MT8186_TOP_AXI_PROT_EN_1_SET,
- MT8186_TOP_AXI_PROT_EN_1_CLR,
- MT8186_TOP_AXI_PROT_EN_1_STA),
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_CONN_ON_STEP2,
- MT8186_TOP_AXI_PROT_EN_SET,
- MT8186_TOP_AXI_PROT_EN_CLR,
- MT8186_TOP_AXI_PROT_EN_STA),
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_CONN_ON_STEP3,
- MT8186_TOP_AXI_PROT_EN_SET,
- MT8186_TOP_AXI_PROT_EN_CLR,
- MT8186_TOP_AXI_PROT_EN_STA),
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_CONN_ON_STEP4,
- MT8186_TOP_AXI_PROT_EN_SET,
- MT8186_TOP_AXI_PROT_EN_CLR,
- MT8186_TOP_AXI_PROT_EN_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT8186_POWER_DOMAIN_CSIRX_TOP] = {
- .name = "csirx_top",
- .sta_mask = BIT(6),
- .ctl_offs = 0x318,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8186_POWER_DOMAIN_ADSP_AO] = {
- .name = "adsp_ao",
- .sta_mask = BIT(17),
- .ctl_offs = 0x9FC,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- },
- [MT8186_POWER_DOMAIN_ADSP_INFRA] = {
- .name = "adsp_infra",
- .sta_mask = BIT(10),
- .ctl_offs = 0x9F8,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- },
- [MT8186_POWER_DOMAIN_ADSP_TOP] = {
- .name = "adsp_top",
- .sta_mask = BIT(31),
- .ctl_offs = 0x3E4,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_3_ADSP_TOP_STEP1,
- MT8186_TOP_AXI_PROT_EN_3_SET,
- MT8186_TOP_AXI_PROT_EN_3_CLR,
- MT8186_TOP_AXI_PROT_EN_3_STA),
- BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_3_ADSP_TOP_STEP2,
- MT8186_TOP_AXI_PROT_EN_3_SET,
- MT8186_TOP_AXI_PROT_EN_3_CLR,
- MT8186_TOP_AXI_PROT_EN_3_STA),
- },
- .caps = MTK_SCPD_SRAM_ISO | MTK_SCPD_ACTIVE_WAKEUP,
- },
-};
-
-static const struct scpsys_soc_data mt8186_scpsys_data = {
- .domains_data = scpsys_domain_data_mt8186,
- .num_domains = ARRAY_SIZE(scpsys_domain_data_mt8186),
-};
-
-#endif /* __SOC_MEDIATEK_MT8186_PM_DOMAINS_H */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (c) 2022 MediaTek Inc.
- * Author: Garmin Chang <garmin.chang@mediatek.com>
- */
-
-#ifndef __SOC_MEDIATEK_MT8188_PM_DOMAINS_H
-#define __SOC_MEDIATEK_MT8188_PM_DOMAINS_H
-
-#include "mtk-pm-domains.h"
-#include <dt-bindings/power/mediatek,mt8188-power.h>
-
-/*
- * MT8188 power domain support
- */
-
-static const struct scpsys_domain_data scpsys_domain_data_mt8188[] = {
- [MT8188_POWER_DOMAIN_MFG0] = {
- .name = "mfg0",
- .sta_mask = BIT(1),
- .ctl_offs = 0x300,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
- },
- [MT8188_POWER_DOMAIN_MFG1] = {
- .name = "mfg1",
- .sta_mask = BIT(2),
- .ctl_offs = 0x304,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MFG1_STEP1,
- MT8188_TOP_AXI_PROT_EN_SET,
- MT8188_TOP_AXI_PROT_EN_CLR,
- MT8188_TOP_AXI_PROT_EN_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_MFG1_STEP2,
- MT8188_TOP_AXI_PROT_EN_2_SET,
- MT8188_TOP_AXI_PROT_EN_2_CLR,
- MT8188_TOP_AXI_PROT_EN_2_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_1_MFG1_STEP3,
- MT8188_TOP_AXI_PROT_EN_1_SET,
- MT8188_TOP_AXI_PROT_EN_1_CLR,
- MT8188_TOP_AXI_PROT_EN_1_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_MFG1_STEP4,
- MT8188_TOP_AXI_PROT_EN_2_SET,
- MT8188_TOP_AXI_PROT_EN_2_CLR,
- MT8188_TOP_AXI_PROT_EN_2_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MFG1_STEP5,
- MT8188_TOP_AXI_PROT_EN_SET,
- MT8188_TOP_AXI_PROT_EN_CLR,
- MT8188_TOP_AXI_PROT_EN_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_MFG1_STEP6,
- MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_SET,
- MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_CLR,
- MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
- },
- [MT8188_POWER_DOMAIN_MFG2] = {
- .name = "mfg2",
- .sta_mask = BIT(3),
- .ctl_offs = 0x308,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8188_POWER_DOMAIN_MFG3] = {
- .name = "mfg3",
- .sta_mask = BIT(4),
- .ctl_offs = 0x30C,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8188_POWER_DOMAIN_MFG4] = {
- .name = "mfg4",
- .sta_mask = BIT(5),
- .ctl_offs = 0x310,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8188_POWER_DOMAIN_PEXTP_MAC_P0] = {
- .name = "pextp_mac_p0",
- .sta_mask = BIT(10),
- .ctl_offs = 0x324,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_PEXTP_MAC_P0_STEP1,
- MT8188_TOP_AXI_PROT_EN_SET,
- MT8188_TOP_AXI_PROT_EN_CLR,
- MT8188_TOP_AXI_PROT_EN_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_PEXTP_MAC_P0_STEP2,
- MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_SET,
- MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_CLR,
- MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8188_POWER_DOMAIN_PEXTP_PHY_TOP] = {
- .name = "pextp_phy_top",
- .sta_mask = BIT(12),
- .ctl_offs = 0x328,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8188_POWER_DOMAIN_CSIRX_TOP] = {
- .name = "pextp_csirx_top",
- .sta_mask = BIT(17),
- .ctl_offs = 0x3C4,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8188_POWER_DOMAIN_ETHER] = {
- .name = "ether",
- .sta_mask = BIT(1),
- .ctl_offs = 0x338,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_ETHER_STEP1,
- MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_SET,
- MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_CLR,
- MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT8188_POWER_DOMAIN_HDMI_TX] = {
- .name = "hdmi_tx",
- .sta_mask = BIT(18),
- .ctl_offs = 0x37C,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_HDMI_TX_STEP1,
- MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_SET,
- MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_CLR,
- MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT8188_POWER_DOMAIN_ADSP_AO] = {
- .name = "adsp_ao",
- .sta_mask = BIT(10),
- .ctl_offs = 0x35C,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_ADSP_AO_STEP1,
- MT8188_TOP_AXI_PROT_EN_2_SET,
- MT8188_TOP_AXI_PROT_EN_2_CLR,
- MT8188_TOP_AXI_PROT_EN_2_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_ADSP_AO_STEP2,
- MT8188_TOP_AXI_PROT_EN_2_SET,
- MT8188_TOP_AXI_PROT_EN_2_CLR,
- MT8188_TOP_AXI_PROT_EN_2_STA),
- },
- .caps = MTK_SCPD_ALWAYS_ON,
- },
- [MT8188_POWER_DOMAIN_ADSP_INFRA] = {
- .name = "adsp_infra",
- .sta_mask = BIT(9),
- .ctl_offs = 0x358,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_ADSP_INFRA_STEP1,
- MT8188_TOP_AXI_PROT_EN_2_SET,
- MT8188_TOP_AXI_PROT_EN_2_CLR,
- MT8188_TOP_AXI_PROT_EN_2_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_ADSP_INFRA_STEP2,
- MT8188_TOP_AXI_PROT_EN_2_SET,
- MT8188_TOP_AXI_PROT_EN_2_CLR,
- MT8188_TOP_AXI_PROT_EN_2_STA),
- },
- .caps = MTK_SCPD_SRAM_ISO | MTK_SCPD_ALWAYS_ON,
- },
- [MT8188_POWER_DOMAIN_ADSP] = {
- .name = "adsp",
- .sta_mask = BIT(8),
- .ctl_offs = 0x354,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_ADSP_STEP1,
- MT8188_TOP_AXI_PROT_EN_2_SET,
- MT8188_TOP_AXI_PROT_EN_2_CLR,
- MT8188_TOP_AXI_PROT_EN_2_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_ADSP_STEP2,
- MT8188_TOP_AXI_PROT_EN_2_SET,
- MT8188_TOP_AXI_PROT_EN_2_CLR,
- MT8188_TOP_AXI_PROT_EN_2_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_SRAM_ISO | MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT8188_POWER_DOMAIN_AUDIO] = {
- .name = "audio",
- .sta_mask = BIT(6),
- .ctl_offs = 0x34C,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_AUDIO_STEP1,
- MT8188_TOP_AXI_PROT_EN_2_SET,
- MT8188_TOP_AXI_PROT_EN_2_CLR,
- MT8188_TOP_AXI_PROT_EN_2_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_AUDIO_STEP2,
- MT8188_TOP_AXI_PROT_EN_2_SET,
- MT8188_TOP_AXI_PROT_EN_2_CLR,
- MT8188_TOP_AXI_PROT_EN_2_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT8188_POWER_DOMAIN_AUDIO_ASRC] = {
- .name = "audio_asrc",
- .sta_mask = BIT(7),
- .ctl_offs = 0x350,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_AUDIO_ASRC_STEP1,
- MT8188_TOP_AXI_PROT_EN_2_SET,
- MT8188_TOP_AXI_PROT_EN_2_CLR,
- MT8188_TOP_AXI_PROT_EN_2_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_AUDIO_ASRC_STEP2,
- MT8188_TOP_AXI_PROT_EN_2_SET,
- MT8188_TOP_AXI_PROT_EN_2_CLR,
- MT8188_TOP_AXI_PROT_EN_2_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8188_POWER_DOMAIN_VPPSYS0] = {
- .name = "vppsys0",
- .sta_mask = BIT(11),
- .ctl_offs = 0x360,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_VPPSYS0_STEP1,
- MT8188_TOP_AXI_PROT_EN_SET,
- MT8188_TOP_AXI_PROT_EN_CLR,
- MT8188_TOP_AXI_PROT_EN_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_VPPSYS0_STEP2,
- MT8188_TOP_AXI_PROT_EN_MM_2_SET,
- MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_2_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_VPPSYS0_STEP3,
- MT8188_TOP_AXI_PROT_EN_SET,
- MT8188_TOP_AXI_PROT_EN_CLR,
- MT8188_TOP_AXI_PROT_EN_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_VPPSYS0_STEP4,
- MT8188_TOP_AXI_PROT_EN_MM_2_SET,
- MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_2_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_VPPSYS0_STEP5,
- MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_SET,
- MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_CLR,
- MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_STA),
- },
- },
- [MT8188_POWER_DOMAIN_VDOSYS0] = {
- .name = "vdosys0",
- .sta_mask = BIT(13),
- .ctl_offs = 0x368,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VDOSYS0_STEP1,
- MT8188_TOP_AXI_PROT_EN_MM_SET,
- MT8188_TOP_AXI_PROT_EN_MM_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_VDOSYS0_STEP2,
- MT8188_TOP_AXI_PROT_EN_SET,
- MT8188_TOP_AXI_PROT_EN_CLR,
- MT8188_TOP_AXI_PROT_EN_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_VDOSYS0_STEP3,
- MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_SET,
- MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_CLR,
- MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_STA),
- },
- },
- [MT8188_POWER_DOMAIN_VDOSYS1] = {
- .name = "vdosys1",
- .sta_mask = BIT(14),
- .ctl_offs = 0x36C,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VDOSYS1_STEP1,
- MT8188_TOP_AXI_PROT_EN_MM_SET,
- MT8188_TOP_AXI_PROT_EN_MM_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VDOSYS1_STEP2,
- MT8188_TOP_AXI_PROT_EN_MM_SET,
- MT8188_TOP_AXI_PROT_EN_MM_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_VDOSYS1_STEP3,
- MT8188_TOP_AXI_PROT_EN_MM_2_SET,
- MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_2_STA),
- },
- },
- [MT8188_POWER_DOMAIN_DP_TX] = {
- .name = "dp_tx",
- .sta_mask = BIT(16),
- .ctl_offs = 0x374,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_DP_TX_STEP1,
- MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_SET,
- MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_CLR,
- MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8188_POWER_DOMAIN_EDP_TX] = {
- .name = "edp_tx",
- .sta_mask = BIT(17),
- .ctl_offs = 0x378,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_EDP_TX_STEP1,
- MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_SET,
- MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_CLR,
- MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8188_POWER_DOMAIN_VPPSYS1] = {
- .name = "vppsys1",
- .sta_mask = BIT(12),
- .ctl_offs = 0x364,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VPPSYS1_STEP1,
- MT8188_TOP_AXI_PROT_EN_MM_SET,
- MT8188_TOP_AXI_PROT_EN_MM_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VPPSYS1_STEP2,
- MT8188_TOP_AXI_PROT_EN_MM_SET,
- MT8188_TOP_AXI_PROT_EN_MM_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_VPPSYS1_STEP3,
- MT8188_TOP_AXI_PROT_EN_MM_2_SET,
- MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_2_STA),
- },
- },
- [MT8188_POWER_DOMAIN_WPE] = {
- .name = "wpe",
- .sta_mask = BIT(15),
- .ctl_offs = 0x370,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_WPE_STEP1,
- MT8188_TOP_AXI_PROT_EN_MM_2_SET,
- MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_2_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_WPE_STEP2,
- MT8188_TOP_AXI_PROT_EN_MM_2_SET,
- MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_2_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8188_POWER_DOMAIN_VDEC0] = {
- .name = "vdec0",
- .sta_mask = BIT(19),
- .ctl_offs = 0x380,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VDEC0_STEP1,
- MT8188_TOP_AXI_PROT_EN_MM_SET,
- MT8188_TOP_AXI_PROT_EN_MM_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_VDEC0_STEP2,
- MT8188_TOP_AXI_PROT_EN_MM_2_SET,
- MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_2_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8188_POWER_DOMAIN_VDEC1] = {
- .name = "vdec1",
- .sta_mask = BIT(20),
- .ctl_offs = 0x384,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VDEC1_STEP1,
- MT8188_TOP_AXI_PROT_EN_MM_SET,
- MT8188_TOP_AXI_PROT_EN_MM_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VDEC1_STEP2,
- MT8188_TOP_AXI_PROT_EN_MM_SET,
- MT8188_TOP_AXI_PROT_EN_MM_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8188_POWER_DOMAIN_VENC] = {
- .name = "venc",
- .sta_mask = BIT(22),
- .ctl_offs = 0x38C,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VENC_STEP1,
- MT8188_TOP_AXI_PROT_EN_MM_SET,
- MT8188_TOP_AXI_PROT_EN_MM_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VENC_STEP2,
- MT8188_TOP_AXI_PROT_EN_MM_SET,
- MT8188_TOP_AXI_PROT_EN_MM_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_VENC_STEP3,
- MT8188_TOP_AXI_PROT_EN_MM_2_SET,
- MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_2_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8188_POWER_DOMAIN_IMG_VCORE] = {
- .name = "vcore",
- .sta_mask = BIT(28),
- .ctl_offs = 0x3A4,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_IMG_VCORE_STEP1,
- MT8188_TOP_AXI_PROT_EN_MM_SET,
- MT8188_TOP_AXI_PROT_EN_MM_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_IMG_VCORE_STEP2,
- MT8188_TOP_AXI_PROT_EN_MM_SET,
- MT8188_TOP_AXI_PROT_EN_MM_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_IMG_VCORE_STEP3,
- MT8188_TOP_AXI_PROT_EN_MM_2_SET,
- MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_2_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
- },
- [MT8188_POWER_DOMAIN_IMG_MAIN] = {
- .name = "img_main",
- .sta_mask = BIT(29),
- .ctl_offs = 0x3A8,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_IMG_MAIN_STEP1,
- MT8188_TOP_AXI_PROT_EN_MM_2_SET,
- MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_2_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_IMG_MAIN_STEP2,
- MT8188_TOP_AXI_PROT_EN_MM_2_SET,
- MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_2_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8188_POWER_DOMAIN_DIP] = {
- .name = "dip",
- .sta_mask = BIT(30),
- .ctl_offs = 0x3AC,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8188_POWER_DOMAIN_IPE] = {
- .name = "ipe",
- .sta_mask = BIT(31),
- .ctl_offs = 0x3B0,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8188_POWER_DOMAIN_CAM_VCORE] = {
- .name = "cam_vcore",
- .sta_mask = BIT(27),
- .ctl_offs = 0x3A0,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_CAM_VCORE_STEP1,
- MT8188_TOP_AXI_PROT_EN_MM_SET,
- MT8188_TOP_AXI_PROT_EN_MM_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_CAM_VCORE_STEP2,
- MT8188_TOP_AXI_PROT_EN_2_SET,
- MT8188_TOP_AXI_PROT_EN_2_CLR,
- MT8188_TOP_AXI_PROT_EN_2_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_1_CAM_VCORE_STEP3,
- MT8188_TOP_AXI_PROT_EN_1_SET,
- MT8188_TOP_AXI_PROT_EN_1_CLR,
- MT8188_TOP_AXI_PROT_EN_1_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_CAM_VCORE_STEP4,
- MT8188_TOP_AXI_PROT_EN_MM_SET,
- MT8188_TOP_AXI_PROT_EN_MM_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_CAM_VCORE_STEP5,
- MT8188_TOP_AXI_PROT_EN_MM_2_SET,
- MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_2_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
- },
- [MT8188_POWER_DOMAIN_CAM_MAIN] = {
- .name = "cam_main",
- .sta_mask = BIT(24),
- .ctl_offs = 0x394,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_CAM_MAIN_STEP1,
- MT8188_TOP_AXI_PROT_EN_MM_2_SET,
- MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_2_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_CAM_MAIN_STEP2,
- MT8188_TOP_AXI_PROT_EN_2_SET,
- MT8188_TOP_AXI_PROT_EN_2_CLR,
- MT8188_TOP_AXI_PROT_EN_2_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_CAM_MAIN_STEP3,
- MT8188_TOP_AXI_PROT_EN_MM_2_SET,
- MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8188_TOP_AXI_PROT_EN_MM_2_STA),
- BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_CAM_MAIN_STEP4,
- MT8188_TOP_AXI_PROT_EN_2_SET,
- MT8188_TOP_AXI_PROT_EN_2_CLR,
- MT8188_TOP_AXI_PROT_EN_2_STA),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8188_POWER_DOMAIN_CAM_SUBA] = {
- .name = "cam_suba",
- .sta_mask = BIT(25),
- .ctl_offs = 0x398,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8188_POWER_DOMAIN_CAM_SUBB] = {
- .name = "cam_subb",
- .sta_mask = BIT(26),
- .ctl_offs = 0x39C,
- .pwr_sta_offs = 0x16C,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = BIT(8),
- .sram_pdn_ack_bits = BIT(12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
-};
-
-static const struct scpsys_soc_data mt8188_scpsys_data = {
- .domains_data = scpsys_domain_data_mt8188,
- .num_domains = ARRAY_SIZE(scpsys_domain_data_mt8188),
-};
-
-#endif /* __SOC_MEDIATEK_MT8188_PM_DOMAINS_H */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#ifndef __SOC_MEDIATEK_MT8192_PM_DOMAINS_H
-#define __SOC_MEDIATEK_MT8192_PM_DOMAINS_H
-
-#include "mtk-pm-domains.h"
-#include <dt-bindings/power/mt8192-power.h>
-
-/*
- * MT8192 power domain support
- */
-
-static const struct scpsys_domain_data scpsys_domain_data_mt8192[] = {
- [MT8192_POWER_DOMAIN_AUDIO] = {
- .name = "audio",
- .sta_mask = BIT(21),
- .ctl_offs = 0x0354,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_2_AUDIO,
- MT8192_TOP_AXI_PROT_EN_2_SET,
- MT8192_TOP_AXI_PROT_EN_2_CLR,
- MT8192_TOP_AXI_PROT_EN_2_STA1),
- },
- },
- [MT8192_POWER_DOMAIN_CONN] = {
- .name = "conn",
- .sta_mask = PWR_STATUS_CONN,
- .ctl_offs = 0x0304,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = 0,
- .sram_pdn_ack_bits = 0,
- .bp_infracfg = {
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_CONN,
- MT8192_TOP_AXI_PROT_EN_SET,
- MT8192_TOP_AXI_PROT_EN_CLR,
- MT8192_TOP_AXI_PROT_EN_STA1),
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_CONN_2ND,
- MT8192_TOP_AXI_PROT_EN_SET,
- MT8192_TOP_AXI_PROT_EN_CLR,
- MT8192_TOP_AXI_PROT_EN_STA1),
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_1_CONN,
- MT8192_TOP_AXI_PROT_EN_1_SET,
- MT8192_TOP_AXI_PROT_EN_1_CLR,
- MT8192_TOP_AXI_PROT_EN_1_STA1),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8192_POWER_DOMAIN_MFG0] = {
- .name = "mfg0",
- .sta_mask = BIT(2),
- .ctl_offs = 0x0308,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .caps = MTK_SCPD_DOMAIN_SUPPLY,
- },
- [MT8192_POWER_DOMAIN_MFG1] = {
- .name = "mfg1",
- .sta_mask = BIT(3),
- .ctl_offs = 0x030c,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_1_MFG1,
- MT8192_TOP_AXI_PROT_EN_1_SET,
- MT8192_TOP_AXI_PROT_EN_1_CLR,
- MT8192_TOP_AXI_PROT_EN_1_STA1),
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_2_MFG1,
- MT8192_TOP_AXI_PROT_EN_2_SET,
- MT8192_TOP_AXI_PROT_EN_2_CLR,
- MT8192_TOP_AXI_PROT_EN_2_STA1),
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MFG1,
- MT8192_TOP_AXI_PROT_EN_SET,
- MT8192_TOP_AXI_PROT_EN_CLR,
- MT8192_TOP_AXI_PROT_EN_STA1),
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_2_MFG1_2ND,
- MT8192_TOP_AXI_PROT_EN_2_SET,
- MT8192_TOP_AXI_PROT_EN_2_CLR,
- MT8192_TOP_AXI_PROT_EN_2_STA1),
- },
- .caps = MTK_SCPD_DOMAIN_SUPPLY,
- },
- [MT8192_POWER_DOMAIN_MFG2] = {
- .name = "mfg2",
- .sta_mask = BIT(4),
- .ctl_offs = 0x0310,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- },
- [MT8192_POWER_DOMAIN_MFG3] = {
- .name = "mfg3",
- .sta_mask = BIT(5),
- .ctl_offs = 0x0314,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- },
- [MT8192_POWER_DOMAIN_MFG4] = {
- .name = "mfg4",
- .sta_mask = BIT(6),
- .ctl_offs = 0x0318,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- },
- [MT8192_POWER_DOMAIN_MFG5] = {
- .name = "mfg5",
- .sta_mask = BIT(7),
- .ctl_offs = 0x031c,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- },
- [MT8192_POWER_DOMAIN_MFG6] = {
- .name = "mfg6",
- .sta_mask = BIT(8),
- .ctl_offs = 0x0320,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- },
- [MT8192_POWER_DOMAIN_DISP] = {
- .name = "disp",
- .sta_mask = BIT(20),
- .ctl_offs = 0x0350,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR_IGN(MT8192_TOP_AXI_PROT_EN_MM_DISP,
- MT8192_TOP_AXI_PROT_EN_MM_SET,
- MT8192_TOP_AXI_PROT_EN_MM_CLR,
- MT8192_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR_IGN(MT8192_TOP_AXI_PROT_EN_MM_2_DISP,
- MT8192_TOP_AXI_PROT_EN_MM_2_SET,
- MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8192_TOP_AXI_PROT_EN_MM_2_STA1),
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_DISP,
- MT8192_TOP_AXI_PROT_EN_SET,
- MT8192_TOP_AXI_PROT_EN_CLR,
- MT8192_TOP_AXI_PROT_EN_STA1),
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_DISP_2ND,
- MT8192_TOP_AXI_PROT_EN_MM_SET,
- MT8192_TOP_AXI_PROT_EN_MM_CLR,
- MT8192_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_2_DISP_2ND,
- MT8192_TOP_AXI_PROT_EN_MM_2_SET,
- MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8192_TOP_AXI_PROT_EN_MM_2_STA1),
- },
- },
- [MT8192_POWER_DOMAIN_IPE] = {
- .name = "ipe",
- .sta_mask = BIT(14),
- .ctl_offs = 0x0338,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_IPE,
- MT8192_TOP_AXI_PROT_EN_MM_SET,
- MT8192_TOP_AXI_PROT_EN_MM_CLR,
- MT8192_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_IPE_2ND,
- MT8192_TOP_AXI_PROT_EN_MM_SET,
- MT8192_TOP_AXI_PROT_EN_MM_CLR,
- MT8192_TOP_AXI_PROT_EN_MM_STA1),
- },
- },
- [MT8192_POWER_DOMAIN_ISP] = {
- .name = "isp",
- .sta_mask = BIT(12),
- .ctl_offs = 0x0330,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_2_ISP,
- MT8192_TOP_AXI_PROT_EN_MM_2_SET,
- MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8192_TOP_AXI_PROT_EN_MM_2_STA1),
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_2_ISP_2ND,
- MT8192_TOP_AXI_PROT_EN_MM_2_SET,
- MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8192_TOP_AXI_PROT_EN_MM_2_STA1),
- },
- },
- [MT8192_POWER_DOMAIN_ISP2] = {
- .name = "isp2",
- .sta_mask = BIT(13),
- .ctl_offs = 0x0334,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_ISP2,
- MT8192_TOP_AXI_PROT_EN_MM_SET,
- MT8192_TOP_AXI_PROT_EN_MM_CLR,
- MT8192_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_ISP2_2ND,
- MT8192_TOP_AXI_PROT_EN_MM_SET,
- MT8192_TOP_AXI_PROT_EN_MM_CLR,
- MT8192_TOP_AXI_PROT_EN_MM_STA1),
- },
- },
- [MT8192_POWER_DOMAIN_MDP] = {
- .name = "mdp",
- .sta_mask = BIT(19),
- .ctl_offs = 0x034c,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_2_MDP,
- MT8192_TOP_AXI_PROT_EN_MM_2_SET,
- MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8192_TOP_AXI_PROT_EN_MM_2_STA1),
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_2_MDP_2ND,
- MT8192_TOP_AXI_PROT_EN_MM_2_SET,
- MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8192_TOP_AXI_PROT_EN_MM_2_STA1),
- },
- },
- [MT8192_POWER_DOMAIN_VENC] = {
- .name = "venc",
- .sta_mask = BIT(17),
- .ctl_offs = 0x0344,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_VENC,
- MT8192_TOP_AXI_PROT_EN_MM_SET,
- MT8192_TOP_AXI_PROT_EN_MM_CLR,
- MT8192_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_VENC_2ND,
- MT8192_TOP_AXI_PROT_EN_MM_SET,
- MT8192_TOP_AXI_PROT_EN_MM_CLR,
- MT8192_TOP_AXI_PROT_EN_MM_STA1),
- },
- },
- [MT8192_POWER_DOMAIN_VDEC] = {
- .name = "vdec",
- .sta_mask = BIT(15),
- .ctl_offs = 0x033c,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_VDEC,
- MT8192_TOP_AXI_PROT_EN_MM_SET,
- MT8192_TOP_AXI_PROT_EN_MM_CLR,
- MT8192_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_VDEC_2ND,
- MT8192_TOP_AXI_PROT_EN_MM_SET,
- MT8192_TOP_AXI_PROT_EN_MM_CLR,
- MT8192_TOP_AXI_PROT_EN_MM_STA1),
- },
- },
- [MT8192_POWER_DOMAIN_VDEC2] = {
- .name = "vdec2",
- .sta_mask = BIT(16),
- .ctl_offs = 0x0340,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- },
- [MT8192_POWER_DOMAIN_CAM] = {
- .name = "cam",
- .sta_mask = BIT(23),
- .ctl_offs = 0x035c,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_2_CAM,
- MT8192_TOP_AXI_PROT_EN_2_SET,
- MT8192_TOP_AXI_PROT_EN_2_CLR,
- MT8192_TOP_AXI_PROT_EN_2_STA1),
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_CAM,
- MT8192_TOP_AXI_PROT_EN_MM_SET,
- MT8192_TOP_AXI_PROT_EN_MM_CLR,
- MT8192_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_1_CAM,
- MT8192_TOP_AXI_PROT_EN_1_SET,
- MT8192_TOP_AXI_PROT_EN_1_CLR,
- MT8192_TOP_AXI_PROT_EN_1_STA1),
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_CAM_2ND,
- MT8192_TOP_AXI_PROT_EN_MM_SET,
- MT8192_TOP_AXI_PROT_EN_MM_CLR,
- MT8192_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_VDNR_CAM,
- MT8192_TOP_AXI_PROT_EN_VDNR_SET,
- MT8192_TOP_AXI_PROT_EN_VDNR_CLR,
- MT8192_TOP_AXI_PROT_EN_VDNR_STA1),
- },
- },
- [MT8192_POWER_DOMAIN_CAM_RAWA] = {
- .name = "cam_rawa",
- .sta_mask = BIT(24),
- .ctl_offs = 0x0360,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- },
- [MT8192_POWER_DOMAIN_CAM_RAWB] = {
- .name = "cam_rawb",
- .sta_mask = BIT(25),
- .ctl_offs = 0x0364,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- },
- [MT8192_POWER_DOMAIN_CAM_RAWC] = {
- .name = "cam_rawc",
- .sta_mask = BIT(26),
- .ctl_offs = 0x0368,
- .pwr_sta_offs = 0x016c,
- .pwr_sta2nd_offs = 0x0170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- },
-};
-
-static const struct scpsys_soc_data mt8192_scpsys_data = {
- .domains_data = scpsys_domain_data_mt8192,
- .num_domains = ARRAY_SIZE(scpsys_domain_data_mt8192),
-};
-
-#endif /* __SOC_MEDIATEK_MT8192_PM_DOMAINS_H */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (c) 2021 MediaTek Inc.
- * Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
- */
-
-#ifndef __SOC_MEDIATEK_MT8195_PM_DOMAINS_H
-#define __SOC_MEDIATEK_MT8195_PM_DOMAINS_H
-
-#include "mtk-pm-domains.h"
-#include <dt-bindings/power/mt8195-power.h>
-
-/*
- * MT8195 power domain support
- */
-
-static const struct scpsys_domain_data scpsys_domain_data_mt8195[] = {
- [MT8195_POWER_DOMAIN_PCIE_MAC_P0] = {
- .name = "pcie_mac_p0",
- .sta_mask = BIT(11),
- .ctl_offs = 0x328,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_VDNR_PCIE_MAC_P0,
- MT8195_TOP_AXI_PROT_EN_VDNR_SET,
- MT8195_TOP_AXI_PROT_EN_VDNR_CLR,
- MT8195_TOP_AXI_PROT_EN_VDNR_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_VDNR_1_PCIE_MAC_P0,
- MT8195_TOP_AXI_PROT_EN_VDNR_1_SET,
- MT8195_TOP_AXI_PROT_EN_VDNR_1_CLR,
- MT8195_TOP_AXI_PROT_EN_VDNR_1_STA1),
- },
- },
- [MT8195_POWER_DOMAIN_PCIE_MAC_P1] = {
- .name = "pcie_mac_p1",
- .sta_mask = BIT(12),
- .ctl_offs = 0x32C,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_VDNR_PCIE_MAC_P1,
- MT8195_TOP_AXI_PROT_EN_VDNR_SET,
- MT8195_TOP_AXI_PROT_EN_VDNR_CLR,
- MT8195_TOP_AXI_PROT_EN_VDNR_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_VDNR_1_PCIE_MAC_P1,
- MT8195_TOP_AXI_PROT_EN_VDNR_1_SET,
- MT8195_TOP_AXI_PROT_EN_VDNR_1_CLR,
- MT8195_TOP_AXI_PROT_EN_VDNR_1_STA1),
- },
- },
- [MT8195_POWER_DOMAIN_PCIE_PHY] = {
- .name = "pcie_phy",
- .sta_mask = BIT(13),
- .ctl_offs = 0x330,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT8195_POWER_DOMAIN_SSUSB_PCIE_PHY] = {
- .name = "ssusb_pcie_phy",
- .sta_mask = BIT(14),
- .ctl_offs = 0x334,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .caps = MTK_SCPD_ACTIVE_WAKEUP | MTK_SCPD_ALWAYS_ON,
- },
- [MT8195_POWER_DOMAIN_CSI_RX_TOP] = {
- .name = "csi_rx_top",
- .sta_mask = BIT(18),
- .ctl_offs = 0x3C4,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_ETHER] = {
- .name = "ether",
- .sta_mask = BIT(3),
- .ctl_offs = 0x344,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT8195_POWER_DOMAIN_ADSP] = {
- .name = "adsp",
- .sta_mask = BIT(10),
- .ctl_offs = 0x360,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_2_ADSP,
- MT8195_TOP_AXI_PROT_EN_2_SET,
- MT8195_TOP_AXI_PROT_EN_2_CLR,
- MT8195_TOP_AXI_PROT_EN_2_STA1),
- },
- .caps = MTK_SCPD_SRAM_ISO | MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT8195_POWER_DOMAIN_AUDIO] = {
- .name = "audio",
- .sta_mask = BIT(8),
- .ctl_offs = 0x358,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_2_AUDIO,
- MT8195_TOP_AXI_PROT_EN_2_SET,
- MT8195_TOP_AXI_PROT_EN_2_CLR,
- MT8195_TOP_AXI_PROT_EN_2_STA1),
- },
- },
- [MT8195_POWER_DOMAIN_MFG0] = {
- .name = "mfg0",
- .sta_mask = BIT(1),
- .ctl_offs = 0x300,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
- },
- [MT8195_POWER_DOMAIN_MFG1] = {
- .name = "mfg1",
- .sta_mask = BIT(2),
- .ctl_offs = 0x304,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MFG1,
- MT8195_TOP_AXI_PROT_EN_SET,
- MT8195_TOP_AXI_PROT_EN_CLR,
- MT8195_TOP_AXI_PROT_EN_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_2_MFG1,
- MT8195_TOP_AXI_PROT_EN_2_SET,
- MT8195_TOP_AXI_PROT_EN_2_CLR,
- MT8195_TOP_AXI_PROT_EN_2_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_1_MFG1,
- MT8195_TOP_AXI_PROT_EN_1_SET,
- MT8195_TOP_AXI_PROT_EN_1_CLR,
- MT8195_TOP_AXI_PROT_EN_1_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_2_MFG1_2ND,
- MT8195_TOP_AXI_PROT_EN_2_SET,
- MT8195_TOP_AXI_PROT_EN_2_CLR,
- MT8195_TOP_AXI_PROT_EN_2_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MFG1_2ND,
- MT8195_TOP_AXI_PROT_EN_SET,
- MT8195_TOP_AXI_PROT_EN_CLR,
- MT8195_TOP_AXI_PROT_EN_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_MFG1,
- MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_SET,
- MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_CLR,
- MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_STA1),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
- },
- [MT8195_POWER_DOMAIN_MFG2] = {
- .name = "mfg2",
- .sta_mask = BIT(3),
- .ctl_offs = 0x308,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_MFG3] = {
- .name = "mfg3",
- .sta_mask = BIT(4),
- .ctl_offs = 0x30C,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_MFG4] = {
- .name = "mfg4",
- .sta_mask = BIT(5),
- .ctl_offs = 0x310,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_MFG5] = {
- .name = "mfg5",
- .sta_mask = BIT(6),
- .ctl_offs = 0x314,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_MFG6] = {
- .name = "mfg6",
- .sta_mask = BIT(7),
- .ctl_offs = 0x318,
- .pwr_sta_offs = 0x174,
- .pwr_sta2nd_offs = 0x178,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_VPPSYS0] = {
- .name = "vppsys0",
- .sta_mask = BIT(11),
- .ctl_offs = 0x364,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_VPPSYS0,
- MT8195_TOP_AXI_PROT_EN_SET,
- MT8195_TOP_AXI_PROT_EN_CLR,
- MT8195_TOP_AXI_PROT_EN_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VPPSYS0,
- MT8195_TOP_AXI_PROT_EN_MM_2_SET,
- MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_VPPSYS0_2ND,
- MT8195_TOP_AXI_PROT_EN_SET,
- MT8195_TOP_AXI_PROT_EN_CLR,
- MT8195_TOP_AXI_PROT_EN_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VPPSYS0_2ND,
- MT8195_TOP_AXI_PROT_EN_MM_2_SET,
- MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_VPPSYS0,
- MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_SET,
- MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_CLR,
- MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_STA1),
- },
- },
- [MT8195_POWER_DOMAIN_VDOSYS0] = {
- .name = "vdosys0",
- .sta_mask = BIT(13),
- .ctl_offs = 0x36C,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VDOSYS0,
- MT8195_TOP_AXI_PROT_EN_MM_SET,
- MT8195_TOP_AXI_PROT_EN_MM_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_VDOSYS0,
- MT8195_TOP_AXI_PROT_EN_SET,
- MT8195_TOP_AXI_PROT_EN_CLR,
- MT8195_TOP_AXI_PROT_EN_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_VDOSYS0,
- MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_SET,
- MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_CLR,
- MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_STA1),
- },
- },
- [MT8195_POWER_DOMAIN_VPPSYS1] = {
- .name = "vppsys1",
- .sta_mask = BIT(12),
- .ctl_offs = 0x368,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VPPSYS1,
- MT8195_TOP_AXI_PROT_EN_MM_SET,
- MT8195_TOP_AXI_PROT_EN_MM_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VPPSYS1_2ND,
- MT8195_TOP_AXI_PROT_EN_MM_SET,
- MT8195_TOP_AXI_PROT_EN_MM_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VPPSYS1,
- MT8195_TOP_AXI_PROT_EN_MM_2_SET,
- MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
- },
- },
- [MT8195_POWER_DOMAIN_VDOSYS1] = {
- .name = "vdosys1",
- .sta_mask = BIT(14),
- .ctl_offs = 0x370,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VDOSYS1,
- MT8195_TOP_AXI_PROT_EN_MM_SET,
- MT8195_TOP_AXI_PROT_EN_MM_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VDOSYS1_2ND,
- MT8195_TOP_AXI_PROT_EN_MM_SET,
- MT8195_TOP_AXI_PROT_EN_MM_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VDOSYS1,
- MT8195_TOP_AXI_PROT_EN_MM_2_SET,
- MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
- },
- },
- [MT8195_POWER_DOMAIN_DP_TX] = {
- .name = "dp_tx",
- .sta_mask = BIT(16),
- .ctl_offs = 0x378,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_VDNR_1_DP_TX,
- MT8195_TOP_AXI_PROT_EN_VDNR_1_SET,
- MT8195_TOP_AXI_PROT_EN_VDNR_1_CLR,
- MT8195_TOP_AXI_PROT_EN_VDNR_1_STA1),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_EPD_TX] = {
- .name = "epd_tx",
- .sta_mask = BIT(17),
- .ctl_offs = 0x37C,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_VDNR_1_EPD_TX,
- MT8195_TOP_AXI_PROT_EN_VDNR_1_SET,
- MT8195_TOP_AXI_PROT_EN_VDNR_1_CLR,
- MT8195_TOP_AXI_PROT_EN_VDNR_1_STA1),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_HDMI_TX] = {
- .name = "hdmi_tx",
- .sta_mask = BIT(18),
- .ctl_offs = 0x380,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT8195_POWER_DOMAIN_WPESYS] = {
- .name = "wpesys",
- .sta_mask = BIT(15),
- .ctl_offs = 0x374,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_WPESYS,
- MT8195_TOP_AXI_PROT_EN_MM_2_SET,
- MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_WPESYS,
- MT8195_TOP_AXI_PROT_EN_MM_SET,
- MT8195_TOP_AXI_PROT_EN_MM_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_WPESYS_2ND,
- MT8195_TOP_AXI_PROT_EN_MM_2_SET,
- MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
- },
- },
- [MT8195_POWER_DOMAIN_VDEC0] = {
- .name = "vdec0",
- .sta_mask = BIT(20),
- .ctl_offs = 0x388,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VDEC0,
- MT8195_TOP_AXI_PROT_EN_MM_SET,
- MT8195_TOP_AXI_PROT_EN_MM_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VDEC0,
- MT8195_TOP_AXI_PROT_EN_MM_2_SET,
- MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VDEC0_2ND,
- MT8195_TOP_AXI_PROT_EN_MM_SET,
- MT8195_TOP_AXI_PROT_EN_MM_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VDEC0_2ND,
- MT8195_TOP_AXI_PROT_EN_MM_2_SET,
- MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_VDEC1] = {
- .name = "vdec1",
- .sta_mask = BIT(21),
- .ctl_offs = 0x38C,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VDEC1,
- MT8195_TOP_AXI_PROT_EN_MM_SET,
- MT8195_TOP_AXI_PROT_EN_MM_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VDEC1_2ND,
- MT8195_TOP_AXI_PROT_EN_MM_SET,
- MT8195_TOP_AXI_PROT_EN_MM_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_STA1),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_VDEC2] = {
- .name = "vdec2",
- .sta_mask = BIT(22),
- .ctl_offs = 0x390,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VDEC2,
- MT8195_TOP_AXI_PROT_EN_MM_2_SET,
- MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VDEC2_2ND,
- MT8195_TOP_AXI_PROT_EN_MM_2_SET,
- MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_VENC] = {
- .name = "venc",
- .sta_mask = BIT(23),
- .ctl_offs = 0x394,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VENC,
- MT8195_TOP_AXI_PROT_EN_MM_SET,
- MT8195_TOP_AXI_PROT_EN_MM_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VENC_2ND,
- MT8195_TOP_AXI_PROT_EN_MM_SET,
- MT8195_TOP_AXI_PROT_EN_MM_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VENC,
- MT8195_TOP_AXI_PROT_EN_MM_2_SET,
- MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_VENC_CORE1] = {
- .name = "venc_core1",
- .sta_mask = BIT(24),
- .ctl_offs = 0x398,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VENC_CORE1,
- MT8195_TOP_AXI_PROT_EN_MM_SET,
- MT8195_TOP_AXI_PROT_EN_MM_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VENC_CORE1,
- MT8195_TOP_AXI_PROT_EN_MM_2_SET,
- MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_IMG] = {
- .name = "img",
- .sta_mask = BIT(29),
- .ctl_offs = 0x3AC,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_IMG,
- MT8195_TOP_AXI_PROT_EN_MM_SET,
- MT8195_TOP_AXI_PROT_EN_MM_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_IMG_2ND,
- MT8195_TOP_AXI_PROT_EN_MM_SET,
- MT8195_TOP_AXI_PROT_EN_MM_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_STA1),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_DIP] = {
- .name = "dip",
- .sta_mask = BIT(30),
- .ctl_offs = 0x3B0,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_IPE] = {
- .name = "ipe",
- .sta_mask = BIT(31),
- .ctl_offs = 0x3B4,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_IPE,
- MT8195_TOP_AXI_PROT_EN_MM_SET,
- MT8195_TOP_AXI_PROT_EN_MM_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_IPE,
- MT8195_TOP_AXI_PROT_EN_MM_2_SET,
- MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_CAM] = {
- .name = "cam",
- .sta_mask = BIT(25),
- .ctl_offs = 0x39C,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .bp_infracfg = {
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_2_CAM,
- MT8195_TOP_AXI_PROT_EN_2_SET,
- MT8195_TOP_AXI_PROT_EN_2_CLR,
- MT8195_TOP_AXI_PROT_EN_2_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_CAM,
- MT8195_TOP_AXI_PROT_EN_MM_SET,
- MT8195_TOP_AXI_PROT_EN_MM_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_1_CAM,
- MT8195_TOP_AXI_PROT_EN_1_SET,
- MT8195_TOP_AXI_PROT_EN_1_CLR,
- MT8195_TOP_AXI_PROT_EN_1_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_CAM_2ND,
- MT8195_TOP_AXI_PROT_EN_MM_SET,
- MT8195_TOP_AXI_PROT_EN_MM_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_STA1),
- BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_CAM,
- MT8195_TOP_AXI_PROT_EN_MM_2_SET,
- MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
- MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
- },
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_CAM_RAWA] = {
- .name = "cam_rawa",
- .sta_mask = BIT(26),
- .ctl_offs = 0x3A0,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_CAM_RAWB] = {
- .name = "cam_rawb",
- .sta_mask = BIT(27),
- .ctl_offs = 0x3A4,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
- [MT8195_POWER_DOMAIN_CAM_MRAW] = {
- .name = "cam_mraw",
- .sta_mask = BIT(28),
- .ctl_offs = 0x3A8,
- .pwr_sta_offs = 0x16c,
- .pwr_sta2nd_offs = 0x170,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
- },
-};
-
-static const struct scpsys_soc_data mt8195_scpsys_data = {
- .domains_data = scpsys_domain_data_mt8195,
- .num_domains = ARRAY_SIZE(scpsys_domain_data_mt8195),
-};
-
-#endif /* __SOC_MEDIATEK_MT8195_PM_DOMAINS_H */
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2020 Collabora Ltd.
- */
-#include <linux/clk.h>
-#include <linux/clk-provider.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/mfd/syscon.h>
-#include <linux/of.h>
-#include <linux/of_clk.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/regmap.h>
-#include <linux/regulator/consumer.h>
-#include <linux/soc/mediatek/infracfg.h>
-
-#include "mt6795-pm-domains.h"
-#include "mt8167-pm-domains.h"
-#include "mt8173-pm-domains.h"
-#include "mt8183-pm-domains.h"
-#include "mt8186-pm-domains.h"
-#include "mt8188-pm-domains.h"
-#include "mt8192-pm-domains.h"
-#include "mt8195-pm-domains.h"
-
-#define MTK_POLL_DELAY_US 10
-#define MTK_POLL_TIMEOUT USEC_PER_SEC
-
-#define PWR_RST_B_BIT BIT(0)
-#define PWR_ISO_BIT BIT(1)
-#define PWR_ON_BIT BIT(2)
-#define PWR_ON_2ND_BIT BIT(3)
-#define PWR_CLK_DIS_BIT BIT(4)
-#define PWR_SRAM_CLKISO_BIT BIT(5)
-#define PWR_SRAM_ISOINT_B_BIT BIT(6)
-
-struct scpsys_domain {
- struct generic_pm_domain genpd;
- const struct scpsys_domain_data *data;
- struct scpsys *scpsys;
- int num_clks;
- struct clk_bulk_data *clks;
- int num_subsys_clks;
- struct clk_bulk_data *subsys_clks;
- struct regmap *infracfg;
- struct regmap *smi;
- struct regulator *supply;
-};
-
-struct scpsys {
- struct device *dev;
- struct regmap *base;
- const struct scpsys_soc_data *soc_data;
- struct genpd_onecell_data pd_data;
- struct generic_pm_domain *domains[];
-};
-
-#define to_scpsys_domain(gpd) container_of(gpd, struct scpsys_domain, genpd)
-
-static bool scpsys_domain_is_on(struct scpsys_domain *pd)
-{
- struct scpsys *scpsys = pd->scpsys;
- u32 status, status2;
-
- regmap_read(scpsys->base, pd->data->pwr_sta_offs, &status);
- status &= pd->data->sta_mask;
-
- regmap_read(scpsys->base, pd->data->pwr_sta2nd_offs, &status2);
- status2 &= pd->data->sta_mask;
-
- /* A domain is on when both status bits are set. */
- return status && status2;
-}
-
-static int scpsys_sram_enable(struct scpsys_domain *pd)
-{
- u32 pdn_ack = pd->data->sram_pdn_ack_bits;
- struct scpsys *scpsys = pd->scpsys;
- unsigned int tmp;
- int ret;
-
- regmap_clear_bits(scpsys->base, pd->data->ctl_offs, pd->data->sram_pdn_bits);
-
- /* Either wait until SRAM_PDN_ACK all 1 or 0 */
- ret = regmap_read_poll_timeout(scpsys->base, pd->data->ctl_offs, tmp,
- (tmp & pdn_ack) == 0, MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
- if (ret < 0)
- return ret;
-
- if (MTK_SCPD_CAPS(pd, MTK_SCPD_SRAM_ISO)) {
- regmap_set_bits(scpsys->base, pd->data->ctl_offs, PWR_SRAM_ISOINT_B_BIT);
- udelay(1);
- regmap_clear_bits(scpsys->base, pd->data->ctl_offs, PWR_SRAM_CLKISO_BIT);
- }
-
- return 0;
-}
-
-static int scpsys_sram_disable(struct scpsys_domain *pd)
-{
- u32 pdn_ack = pd->data->sram_pdn_ack_bits;
- struct scpsys *scpsys = pd->scpsys;
- unsigned int tmp;
-
- if (MTK_SCPD_CAPS(pd, MTK_SCPD_SRAM_ISO)) {
- regmap_set_bits(scpsys->base, pd->data->ctl_offs, PWR_SRAM_CLKISO_BIT);
- udelay(1);
- regmap_clear_bits(scpsys->base, pd->data->ctl_offs, PWR_SRAM_ISOINT_B_BIT);
- }
-
- regmap_set_bits(scpsys->base, pd->data->ctl_offs, pd->data->sram_pdn_bits);
-
- /* Either wait until SRAM_PDN_ACK all 1 or 0 */
- return regmap_read_poll_timeout(scpsys->base, pd->data->ctl_offs, tmp,
- (tmp & pdn_ack) == pdn_ack, MTK_POLL_DELAY_US,
- MTK_POLL_TIMEOUT);
-}
-
-static int _scpsys_bus_protect_enable(const struct scpsys_bus_prot_data *bpd, struct regmap *regmap)
-{
- int i, ret;
-
- for (i = 0; i < SPM_MAX_BUS_PROT_DATA; i++) {
- u32 val, mask = bpd[i].bus_prot_mask;
-
- if (!mask)
- break;
-
- if (bpd[i].bus_prot_reg_update)
- regmap_set_bits(regmap, bpd[i].bus_prot_set, mask);
- else
- regmap_write(regmap, bpd[i].bus_prot_set, mask);
-
- ret = regmap_read_poll_timeout(regmap, bpd[i].bus_prot_sta,
- val, (val & mask) == mask,
- MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
- if (ret)
- return ret;
- }
-
- return 0;
-}
-
-static int scpsys_bus_protect_enable(struct scpsys_domain *pd)
-{
- int ret;
-
- ret = _scpsys_bus_protect_enable(pd->data->bp_infracfg, pd->infracfg);
- if (ret)
- return ret;
-
- return _scpsys_bus_protect_enable(pd->data->bp_smi, pd->smi);
-}
-
-static int _scpsys_bus_protect_disable(const struct scpsys_bus_prot_data *bpd,
- struct regmap *regmap)
-{
- int i, ret;
-
- for (i = SPM_MAX_BUS_PROT_DATA - 1; i >= 0; i--) {
- u32 val, mask = bpd[i].bus_prot_mask;
-
- if (!mask)
- continue;
-
- if (bpd[i].bus_prot_reg_update)
- regmap_clear_bits(regmap, bpd[i].bus_prot_clr, mask);
- else
- regmap_write(regmap, bpd[i].bus_prot_clr, mask);
-
- if (bpd[i].ignore_clr_ack)
- continue;
-
- ret = regmap_read_poll_timeout(regmap, bpd[i].bus_prot_sta,
- val, !(val & mask),
- MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
- if (ret)
- return ret;
- }
-
- return 0;
-}
-
-static int scpsys_bus_protect_disable(struct scpsys_domain *pd)
-{
- int ret;
-
- ret = _scpsys_bus_protect_disable(pd->data->bp_smi, pd->smi);
- if (ret)
- return ret;
-
- return _scpsys_bus_protect_disable(pd->data->bp_infracfg, pd->infracfg);
-}
-
-static int scpsys_regulator_enable(struct regulator *supply)
-{
- return supply ? regulator_enable(supply) : 0;
-}
-
-static int scpsys_regulator_disable(struct regulator *supply)
-{
- return supply ? regulator_disable(supply) : 0;
-}
-
-static int scpsys_power_on(struct generic_pm_domain *genpd)
-{
- struct scpsys_domain *pd = container_of(genpd, struct scpsys_domain, genpd);
- struct scpsys *scpsys = pd->scpsys;
- bool tmp;
- int ret;
-
- ret = scpsys_regulator_enable(pd->supply);
- if (ret)
- return ret;
-
- ret = clk_bulk_prepare_enable(pd->num_clks, pd->clks);
- if (ret)
- goto err_reg;
-
- if (pd->data->ext_buck_iso_offs && MTK_SCPD_CAPS(pd, MTK_SCPD_EXT_BUCK_ISO))
- regmap_clear_bits(scpsys->base, pd->data->ext_buck_iso_offs,
- pd->data->ext_buck_iso_mask);
-
- /* subsys power on */
- regmap_set_bits(scpsys->base, pd->data->ctl_offs, PWR_ON_BIT);
- regmap_set_bits(scpsys->base, pd->data->ctl_offs, PWR_ON_2ND_BIT);
-
- /* wait until PWR_ACK = 1 */
- ret = readx_poll_timeout(scpsys_domain_is_on, pd, tmp, tmp, MTK_POLL_DELAY_US,
- MTK_POLL_TIMEOUT);
- if (ret < 0)
- goto err_pwr_ack;
-
- regmap_clear_bits(scpsys->base, pd->data->ctl_offs, PWR_CLK_DIS_BIT);
- regmap_clear_bits(scpsys->base, pd->data->ctl_offs, PWR_ISO_BIT);
- regmap_set_bits(scpsys->base, pd->data->ctl_offs, PWR_RST_B_BIT);
-
- ret = clk_bulk_prepare_enable(pd->num_subsys_clks, pd->subsys_clks);
- if (ret)
- goto err_pwr_ack;
-
- ret = scpsys_sram_enable(pd);
- if (ret < 0)
- goto err_disable_subsys_clks;
-
- ret = scpsys_bus_protect_disable(pd);
- if (ret < 0)
- goto err_disable_sram;
-
- return 0;
-
-err_disable_sram:
- scpsys_sram_disable(pd);
-err_disable_subsys_clks:
- clk_bulk_disable_unprepare(pd->num_subsys_clks, pd->subsys_clks);
-err_pwr_ack:
- clk_bulk_disable_unprepare(pd->num_clks, pd->clks);
-err_reg:
- scpsys_regulator_disable(pd->supply);
- return ret;
-}
-
-static int scpsys_power_off(struct generic_pm_domain *genpd)
-{
- struct scpsys_domain *pd = container_of(genpd, struct scpsys_domain, genpd);
- struct scpsys *scpsys = pd->scpsys;
- bool tmp;
- int ret;
-
- ret = scpsys_bus_protect_enable(pd);
- if (ret < 0)
- return ret;
-
- ret = scpsys_sram_disable(pd);
- if (ret < 0)
- return ret;
-
- if (pd->data->ext_buck_iso_offs && MTK_SCPD_CAPS(pd, MTK_SCPD_EXT_BUCK_ISO))
- regmap_set_bits(scpsys->base, pd->data->ext_buck_iso_offs,
- pd->data->ext_buck_iso_mask);
-
- clk_bulk_disable_unprepare(pd->num_subsys_clks, pd->subsys_clks);
-
- /* subsys power off */
- regmap_set_bits(scpsys->base, pd->data->ctl_offs, PWR_ISO_BIT);
- regmap_set_bits(scpsys->base, pd->data->ctl_offs, PWR_CLK_DIS_BIT);
- regmap_clear_bits(scpsys->base, pd->data->ctl_offs, PWR_RST_B_BIT);
- regmap_clear_bits(scpsys->base, pd->data->ctl_offs, PWR_ON_2ND_BIT);
- regmap_clear_bits(scpsys->base, pd->data->ctl_offs, PWR_ON_BIT);
-
- /* wait until PWR_ACK = 0 */
- ret = readx_poll_timeout(scpsys_domain_is_on, pd, tmp, !tmp, MTK_POLL_DELAY_US,
- MTK_POLL_TIMEOUT);
- if (ret < 0)
- return ret;
-
- clk_bulk_disable_unprepare(pd->num_clks, pd->clks);
-
- scpsys_regulator_disable(pd->supply);
-
- return 0;
-}
-
-static struct
-generic_pm_domain *scpsys_add_one_domain(struct scpsys *scpsys, struct device_node *node)
-{
- const struct scpsys_domain_data *domain_data;
- struct scpsys_domain *pd;
- struct device_node *root_node = scpsys->dev->of_node;
- struct device_node *smi_node;
- struct property *prop;
- const char *clk_name;
- int i, ret, num_clks;
- struct clk *clk;
- int clk_ind = 0;
- u32 id;
-
- ret = of_property_read_u32(node, "reg", &id);
- if (ret) {
- dev_err(scpsys->dev, "%pOF: failed to retrieve domain id from reg: %d\n",
- node, ret);
- return ERR_PTR(-EINVAL);
- }
-
- if (id >= scpsys->soc_data->num_domains) {
- dev_err(scpsys->dev, "%pOF: invalid domain id %d\n", node, id);
- return ERR_PTR(-EINVAL);
- }
-
- domain_data = &scpsys->soc_data->domains_data[id];
- if (domain_data->sta_mask == 0) {
- dev_err(scpsys->dev, "%pOF: undefined domain id %d\n", node, id);
- return ERR_PTR(-EINVAL);
- }
-
- pd = devm_kzalloc(scpsys->dev, sizeof(*pd), GFP_KERNEL);
- if (!pd)
- return ERR_PTR(-ENOMEM);
-
- pd->data = domain_data;
- pd->scpsys = scpsys;
-
- if (MTK_SCPD_CAPS(pd, MTK_SCPD_DOMAIN_SUPPLY)) {
- /*
- * Find regulator in current power domain node.
- * devm_regulator_get() finds regulator in a node and its child
- * node, so set of_node to current power domain node then change
- * back to original node after regulator is found for current
- * power domain node.
- */
- scpsys->dev->of_node = node;
- pd->supply = devm_regulator_get(scpsys->dev, "domain");
- scpsys->dev->of_node = root_node;
- if (IS_ERR(pd->supply)) {
- dev_err_probe(scpsys->dev, PTR_ERR(pd->supply),
- "%pOF: failed to get power supply.\n",
- node);
- return ERR_CAST(pd->supply);
- }
- }
-
- pd->infracfg = syscon_regmap_lookup_by_phandle_optional(node, "mediatek,infracfg");
- if (IS_ERR(pd->infracfg))
- return ERR_CAST(pd->infracfg);
-
- smi_node = of_parse_phandle(node, "mediatek,smi", 0);
- if (smi_node) {
- pd->smi = device_node_to_regmap(smi_node);
- of_node_put(smi_node);
- if (IS_ERR(pd->smi))
- return ERR_CAST(pd->smi);
- }
-
- num_clks = of_clk_get_parent_count(node);
- if (num_clks > 0) {
- /* Calculate number of subsys_clks */
- of_property_for_each_string(node, "clock-names", prop, clk_name) {
- char *subsys;
-
- subsys = strchr(clk_name, '-');
- if (subsys)
- pd->num_subsys_clks++;
- else
- pd->num_clks++;
- }
-
- pd->clks = devm_kcalloc(scpsys->dev, pd->num_clks, sizeof(*pd->clks), GFP_KERNEL);
- if (!pd->clks)
- return ERR_PTR(-ENOMEM);
-
- pd->subsys_clks = devm_kcalloc(scpsys->dev, pd->num_subsys_clks,
- sizeof(*pd->subsys_clks), GFP_KERNEL);
- if (!pd->subsys_clks)
- return ERR_PTR(-ENOMEM);
-
- }
-
- for (i = 0; i < pd->num_clks; i++) {
- clk = of_clk_get(node, i);
- if (IS_ERR(clk)) {
- ret = PTR_ERR(clk);
- dev_err_probe(scpsys->dev, ret,
- "%pOF: failed to get clk at index %d\n", node, i);
- goto err_put_clocks;
- }
-
- pd->clks[clk_ind++].clk = clk;
- }
-
- for (i = 0; i < pd->num_subsys_clks; i++) {
- clk = of_clk_get(node, i + clk_ind);
- if (IS_ERR(clk)) {
- ret = PTR_ERR(clk);
- dev_err_probe(scpsys->dev, ret,
- "%pOF: failed to get clk at index %d\n", node,
- i + clk_ind);
- goto err_put_subsys_clocks;
- }
-
- pd->subsys_clks[i].clk = clk;
- }
-
- /*
- * Initially turn on all domains to make the domains usable
- * with !CONFIG_PM and to get the hardware in sync with the
- * software. The unused domains will be switched off during
- * late_init time.
- */
- if (MTK_SCPD_CAPS(pd, MTK_SCPD_KEEP_DEFAULT_OFF)) {
- if (scpsys_domain_is_on(pd))
- dev_warn(scpsys->dev,
- "%pOF: A default off power domain has been ON\n", node);
- } else {
- ret = scpsys_power_on(&pd->genpd);
- if (ret < 0) {
- dev_err(scpsys->dev, "%pOF: failed to power on domain: %d\n", node, ret);
- goto err_put_subsys_clocks;
- }
-
- if (MTK_SCPD_CAPS(pd, MTK_SCPD_ALWAYS_ON))
- pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
- }
-
- if (scpsys->domains[id]) {
- ret = -EINVAL;
- dev_err(scpsys->dev,
- "power domain with id %d already exists, check your device-tree\n", id);
- goto err_put_subsys_clocks;
- }
-
- if (!pd->data->name)
- pd->genpd.name = node->name;
- else
- pd->genpd.name = pd->data->name;
-
- pd->genpd.power_off = scpsys_power_off;
- pd->genpd.power_on = scpsys_power_on;
-
- if (MTK_SCPD_CAPS(pd, MTK_SCPD_ACTIVE_WAKEUP))
- pd->genpd.flags |= GENPD_FLAG_ACTIVE_WAKEUP;
-
- if (MTK_SCPD_CAPS(pd, MTK_SCPD_KEEP_DEFAULT_OFF))
- pm_genpd_init(&pd->genpd, NULL, true);
- else
- pm_genpd_init(&pd->genpd, NULL, false);
-
- scpsys->domains[id] = &pd->genpd;
-
- return scpsys->pd_data.domains[id];
-
-err_put_subsys_clocks:
- clk_bulk_put(pd->num_subsys_clks, pd->subsys_clks);
-err_put_clocks:
- clk_bulk_put(pd->num_clks, pd->clks);
- return ERR_PTR(ret);
-}
-
-static int scpsys_add_subdomain(struct scpsys *scpsys, struct device_node *parent)
-{
- struct generic_pm_domain *child_pd, *parent_pd;
- struct device_node *child;
- int ret;
-
- for_each_child_of_node(parent, child) {
- u32 id;
-
- ret = of_property_read_u32(parent, "reg", &id);
- if (ret) {
- dev_err(scpsys->dev, "%pOF: failed to get parent domain id\n", child);
- goto err_put_node;
- }
-
- if (!scpsys->pd_data.domains[id]) {
- ret = -EINVAL;
- dev_err(scpsys->dev, "power domain with id %d does not exist\n", id);
- goto err_put_node;
- }
-
- parent_pd = scpsys->pd_data.domains[id];
-
- child_pd = scpsys_add_one_domain(scpsys, child);
- if (IS_ERR(child_pd)) {
- ret = PTR_ERR(child_pd);
- dev_err_probe(scpsys->dev, ret, "%pOF: failed to get child domain id\n",
- child);
- goto err_put_node;
- }
-
- ret = pm_genpd_add_subdomain(parent_pd, child_pd);
- if (ret) {
- dev_err(scpsys->dev, "failed to add %s subdomain to parent %s\n",
- child_pd->name, parent_pd->name);
- goto err_put_node;
- } else {
- dev_dbg(scpsys->dev, "%s add subdomain: %s\n", parent_pd->name,
- child_pd->name);
- }
-
- /* recursive call to add all subdomains */
- ret = scpsys_add_subdomain(scpsys, child);
- if (ret)
- goto err_put_node;
- }
-
- return 0;
-
-err_put_node:
- of_node_put(child);
- return ret;
-}
-
-static void scpsys_remove_one_domain(struct scpsys_domain *pd)
-{
- int ret;
-
- if (scpsys_domain_is_on(pd))
- scpsys_power_off(&pd->genpd);
-
- /*
- * We're in the error cleanup already, so we only complain,
- * but won't emit another error on top of the original one.
- */
- ret = pm_genpd_remove(&pd->genpd);
- if (ret < 0)
- dev_err(pd->scpsys->dev,
- "failed to remove domain '%s' : %d - state may be inconsistent\n",
- pd->genpd.name, ret);
-
- clk_bulk_put(pd->num_clks, pd->clks);
- clk_bulk_put(pd->num_subsys_clks, pd->subsys_clks);
-}
-
-static void scpsys_domain_cleanup(struct scpsys *scpsys)
-{
- struct generic_pm_domain *genpd;
- struct scpsys_domain *pd;
- int i;
-
- for (i = scpsys->pd_data.num_domains - 1; i >= 0; i--) {
- genpd = scpsys->pd_data.domains[i];
- if (genpd) {
- pd = to_scpsys_domain(genpd);
- scpsys_remove_one_domain(pd);
- }
- }
-}
-
-static const struct of_device_id scpsys_of_match[] = {
- {
- .compatible = "mediatek,mt6795-power-controller",
- .data = &mt6795_scpsys_data,
- },
- {
- .compatible = "mediatek,mt8167-power-controller",
- .data = &mt8167_scpsys_data,
- },
- {
- .compatible = "mediatek,mt8173-power-controller",
- .data = &mt8173_scpsys_data,
- },
- {
- .compatible = "mediatek,mt8183-power-controller",
- .data = &mt8183_scpsys_data,
- },
- {
- .compatible = "mediatek,mt8186-power-controller",
- .data = &mt8186_scpsys_data,
- },
- {
- .compatible = "mediatek,mt8188-power-controller",
- .data = &mt8188_scpsys_data,
- },
- {
- .compatible = "mediatek,mt8192-power-controller",
- .data = &mt8192_scpsys_data,
- },
- {
- .compatible = "mediatek,mt8195-power-controller",
- .data = &mt8195_scpsys_data,
- },
- { }
-};
-
-static int scpsys_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct device_node *np = dev->of_node;
- const struct scpsys_soc_data *soc;
- struct device_node *node;
- struct device *parent;
- struct scpsys *scpsys;
- int ret;
-
- soc = of_device_get_match_data(&pdev->dev);
- if (!soc) {
- dev_err(&pdev->dev, "no power controller data\n");
- return -EINVAL;
- }
-
- scpsys = devm_kzalloc(dev, struct_size(scpsys, domains, soc->num_domains), GFP_KERNEL);
- if (!scpsys)
- return -ENOMEM;
-
- scpsys->dev = dev;
- scpsys->soc_data = soc;
-
- scpsys->pd_data.domains = scpsys->domains;
- scpsys->pd_data.num_domains = soc->num_domains;
-
- parent = dev->parent;
- if (!parent) {
- dev_err(dev, "no parent for syscon devices\n");
- return -ENODEV;
- }
-
- scpsys->base = syscon_node_to_regmap(parent->of_node);
- if (IS_ERR(scpsys->base)) {
- dev_err(dev, "no regmap available\n");
- return PTR_ERR(scpsys->base);
- }
-
- ret = -ENODEV;
- for_each_available_child_of_node(np, node) {
- struct generic_pm_domain *domain;
-
- domain = scpsys_add_one_domain(scpsys, node);
- if (IS_ERR(domain)) {
- ret = PTR_ERR(domain);
- of_node_put(node);
- goto err_cleanup_domains;
- }
-
- ret = scpsys_add_subdomain(scpsys, node);
- if (ret) {
- of_node_put(node);
- goto err_cleanup_domains;
- }
- }
-
- if (ret) {
- dev_dbg(dev, "no power domains present\n");
- return ret;
- }
-
- ret = of_genpd_add_provider_onecell(np, &scpsys->pd_data);
- if (ret) {
- dev_err(dev, "failed to add provider: %d\n", ret);
- goto err_cleanup_domains;
- }
-
- return 0;
-
-err_cleanup_domains:
- scpsys_domain_cleanup(scpsys);
- return ret;
-}
-
-static struct platform_driver scpsys_pm_domain_driver = {
- .probe = scpsys_probe,
- .driver = {
- .name = "mtk-power-controller",
- .suppress_bind_attrs = true,
- .of_match_table = scpsys_of_match,
- },
-};
-builtin_platform_driver(scpsys_pm_domain_driver);
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#ifndef __SOC_MEDIATEK_MTK_PM_DOMAINS_H
-#define __SOC_MEDIATEK_MTK_PM_DOMAINS_H
-
-#define MTK_SCPD_ACTIVE_WAKEUP BIT(0)
-#define MTK_SCPD_FWAIT_SRAM BIT(1)
-#define MTK_SCPD_SRAM_ISO BIT(2)
-#define MTK_SCPD_KEEP_DEFAULT_OFF BIT(3)
-#define MTK_SCPD_DOMAIN_SUPPLY BIT(4)
-/* can't set MTK_SCPD_KEEP_DEFAULT_OFF at the same time */
-#define MTK_SCPD_ALWAYS_ON BIT(5)
-#define MTK_SCPD_EXT_BUCK_ISO BIT(6)
-#define MTK_SCPD_CAPS(_scpd, _x) ((_scpd)->data->caps & (_x))
-
-#define SPM_VDE_PWR_CON 0x0210
-#define SPM_MFG_PWR_CON 0x0214
-#define SPM_VEN_PWR_CON 0x0230
-#define SPM_ISP_PWR_CON 0x0238
-#define SPM_DIS_PWR_CON 0x023c
-#define SPM_CONN_PWR_CON 0x0280
-#define SPM_VEN2_PWR_CON 0x0298
-#define SPM_AUDIO_PWR_CON 0x029c
-#define SPM_MFG_2D_PWR_CON 0x02c0
-#define SPM_MFG_ASYNC_PWR_CON 0x02c4
-#define SPM_USB_PWR_CON 0x02cc
-
-#define SPM_PWR_STATUS 0x060c
-#define SPM_PWR_STATUS_2ND 0x0610
-
-#define PWR_STATUS_CONN BIT(1)
-#define PWR_STATUS_DISP BIT(3)
-#define PWR_STATUS_MFG BIT(4)
-#define PWR_STATUS_ISP BIT(5)
-#define PWR_STATUS_VDEC BIT(7)
-#define PWR_STATUS_VENC_LT BIT(20)
-#define PWR_STATUS_VENC BIT(21)
-#define PWR_STATUS_MFG_2D BIT(22)
-#define PWR_STATUS_MFG_ASYNC BIT(23)
-#define PWR_STATUS_AUDIO BIT(24)
-#define PWR_STATUS_USB BIT(25)
-
-#define SPM_MAX_BUS_PROT_DATA 6
-
-#define _BUS_PROT(_mask, _set, _clr, _sta, _update, _ignore) { \
- .bus_prot_mask = (_mask), \
- .bus_prot_set = _set, \
- .bus_prot_clr = _clr, \
- .bus_prot_sta = _sta, \
- .bus_prot_reg_update = _update, \
- .ignore_clr_ack = _ignore, \
- }
-
-#define BUS_PROT_WR(_mask, _set, _clr, _sta) \
- _BUS_PROT(_mask, _set, _clr, _sta, false, false)
-
-#define BUS_PROT_WR_IGN(_mask, _set, _clr, _sta) \
- _BUS_PROT(_mask, _set, _clr, _sta, false, true)
-
-#define BUS_PROT_UPDATE(_mask, _set, _clr, _sta) \
- _BUS_PROT(_mask, _set, _clr, _sta, true, false)
-
-#define BUS_PROT_UPDATE_TOPAXI(_mask) \
- BUS_PROT_UPDATE(_mask, \
- INFRA_TOPAXI_PROTECTEN, \
- INFRA_TOPAXI_PROTECTEN, \
- INFRA_TOPAXI_PROTECTSTA1)
-
-struct scpsys_bus_prot_data {
- u32 bus_prot_mask;
- u32 bus_prot_set;
- u32 bus_prot_clr;
- u32 bus_prot_sta;
- bool bus_prot_reg_update;
- bool ignore_clr_ack;
-};
-
-/**
- * struct scpsys_domain_data - scp domain data for power on/off flow
- * @name: The name of the power domain.
- * @sta_mask: The mask for power on/off status bit.
- * @ctl_offs: The offset for main power control register.
- * @sram_pdn_bits: The mask for sram power control bits.
- * @sram_pdn_ack_bits: The mask for sram power control acked bits.
- * @ext_buck_iso_offs: The offset for external buck isolation
- * @ext_buck_iso_mask: The mask for external buck isolation
- * @caps: The flag for active wake-up action.
- * @bp_infracfg: bus protection for infracfg subsystem
- * @bp_smi: bus protection for smi subsystem
- */
-struct scpsys_domain_data {
- const char *name;
- u32 sta_mask;
- int ctl_offs;
- u32 sram_pdn_bits;
- u32 sram_pdn_ack_bits;
- int ext_buck_iso_offs;
- u32 ext_buck_iso_mask;
- u8 caps;
- const struct scpsys_bus_prot_data bp_infracfg[SPM_MAX_BUS_PROT_DATA];
- const struct scpsys_bus_prot_data bp_smi[SPM_MAX_BUS_PROT_DATA];
- int pwr_sta_offs;
- int pwr_sta2nd_offs;
-};
-
-struct scpsys_soc_data {
- const struct scpsys_domain_data *domains_data;
- int num_domains;
-};
-
-#endif /* __SOC_MEDIATEK_MTK_PM_DOMAINS_H */
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2015 Pengutronix, Sascha Hauer <kernel@pengutronix.de>
- */
-#include <linux/clk.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/mfd/syscon.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/regulator/consumer.h>
-#include <linux/soc/mediatek/infracfg.h>
-
-#include <dt-bindings/power/mt2701-power.h>
-#include <dt-bindings/power/mt2712-power.h>
-#include <dt-bindings/power/mt6797-power.h>
-#include <dt-bindings/power/mt7622-power.h>
-#include <dt-bindings/power/mt7623a-power.h>
-#include <dt-bindings/power/mt8173-power.h>
-
-#define MTK_POLL_DELAY_US 10
-#define MTK_POLL_TIMEOUT USEC_PER_SEC
-
-#define MTK_SCPD_ACTIVE_WAKEUP BIT(0)
-#define MTK_SCPD_FWAIT_SRAM BIT(1)
-#define MTK_SCPD_CAPS(_scpd, _x) ((_scpd)->data->caps & (_x))
-
-#define SPM_VDE_PWR_CON 0x0210
-#define SPM_MFG_PWR_CON 0x0214
-#define SPM_VEN_PWR_CON 0x0230
-#define SPM_ISP_PWR_CON 0x0238
-#define SPM_DIS_PWR_CON 0x023c
-#define SPM_CONN_PWR_CON 0x0280
-#define SPM_VEN2_PWR_CON 0x0298
-#define SPM_AUDIO_PWR_CON 0x029c /* MT8173, MT2712 */
-#define SPM_BDP_PWR_CON 0x029c /* MT2701 */
-#define SPM_ETH_PWR_CON 0x02a0
-#define SPM_HIF_PWR_CON 0x02a4
-#define SPM_IFR_MSC_PWR_CON 0x02a8
-#define SPM_MFG_2D_PWR_CON 0x02c0
-#define SPM_MFG_ASYNC_PWR_CON 0x02c4
-#define SPM_USB_PWR_CON 0x02cc
-#define SPM_USB2_PWR_CON 0x02d4 /* MT2712 */
-#define SPM_ETHSYS_PWR_CON 0x02e0 /* MT7622 */
-#define SPM_HIF0_PWR_CON 0x02e4 /* MT7622 */
-#define SPM_HIF1_PWR_CON 0x02e8 /* MT7622 */
-#define SPM_WB_PWR_CON 0x02ec /* MT7622 */
-
-#define SPM_PWR_STATUS 0x060c
-#define SPM_PWR_STATUS_2ND 0x0610
-
-#define PWR_RST_B_BIT BIT(0)
-#define PWR_ISO_BIT BIT(1)
-#define PWR_ON_BIT BIT(2)
-#define PWR_ON_2ND_BIT BIT(3)
-#define PWR_CLK_DIS_BIT BIT(4)
-
-#define PWR_STATUS_CONN BIT(1)
-#define PWR_STATUS_DISP BIT(3)
-#define PWR_STATUS_MFG BIT(4)
-#define PWR_STATUS_ISP BIT(5)
-#define PWR_STATUS_VDEC BIT(7)
-#define PWR_STATUS_BDP BIT(14)
-#define PWR_STATUS_ETH BIT(15)
-#define PWR_STATUS_HIF BIT(16)
-#define PWR_STATUS_IFR_MSC BIT(17)
-#define PWR_STATUS_USB2 BIT(19) /* MT2712 */
-#define PWR_STATUS_VENC_LT BIT(20)
-#define PWR_STATUS_VENC BIT(21)
-#define PWR_STATUS_MFG_2D BIT(22) /* MT8173 */
-#define PWR_STATUS_MFG_ASYNC BIT(23) /* MT8173 */
-#define PWR_STATUS_AUDIO BIT(24) /* MT8173, MT2712 */
-#define PWR_STATUS_USB BIT(25) /* MT8173, MT2712 */
-#define PWR_STATUS_ETHSYS BIT(24) /* MT7622 */
-#define PWR_STATUS_HIF0 BIT(25) /* MT7622 */
-#define PWR_STATUS_HIF1 BIT(26) /* MT7622 */
-#define PWR_STATUS_WB BIT(27) /* MT7622 */
-
-enum clk_id {
- CLK_NONE,
- CLK_MM,
- CLK_MFG,
- CLK_VENC,
- CLK_VENC_LT,
- CLK_ETHIF,
- CLK_VDEC,
- CLK_HIFSEL,
- CLK_JPGDEC,
- CLK_AUDIO,
- CLK_MAX,
-};
-
-static const char * const clk_names[] = {
- NULL,
- "mm",
- "mfg",
- "venc",
- "venc_lt",
- "ethif",
- "vdec",
- "hif_sel",
- "jpgdec",
- "audio",
- NULL,
-};
-
-#define MAX_CLKS 3
-
-/**
- * struct scp_domain_data - scp domain data for power on/off flow
- * @name: The domain name.
- * @sta_mask: The mask for power on/off status bit.
- * @ctl_offs: The offset for main power control register.
- * @sram_pdn_bits: The mask for sram power control bits.
- * @sram_pdn_ack_bits: The mask for sram power control acked bits.
- * @bus_prot_mask: The mask for single step bus protection.
- * @clk_id: The basic clocks required by this power domain.
- * @caps: The flag for active wake-up action.
- */
-struct scp_domain_data {
- const char *name;
- u32 sta_mask;
- int ctl_offs;
- u32 sram_pdn_bits;
- u32 sram_pdn_ack_bits;
- u32 bus_prot_mask;
- enum clk_id clk_id[MAX_CLKS];
- u8 caps;
-};
-
-struct scp;
-
-struct scp_domain {
- struct generic_pm_domain genpd;
- struct scp *scp;
- struct clk *clk[MAX_CLKS];
- const struct scp_domain_data *data;
- struct regulator *supply;
-};
-
-struct scp_ctrl_reg {
- int pwr_sta_offs;
- int pwr_sta2nd_offs;
-};
-
-struct scp {
- struct scp_domain *domains;
- struct genpd_onecell_data pd_data;
- struct device *dev;
- void __iomem *base;
- struct regmap *infracfg;
- struct scp_ctrl_reg ctrl_reg;
- bool bus_prot_reg_update;
-};
-
-struct scp_subdomain {
- int origin;
- int subdomain;
-};
-
-struct scp_soc_data {
- const struct scp_domain_data *domains;
- int num_domains;
- const struct scp_subdomain *subdomains;
- int num_subdomains;
- const struct scp_ctrl_reg regs;
- bool bus_prot_reg_update;
-};
-
-static int scpsys_domain_is_on(struct scp_domain *scpd)
-{
- struct scp *scp = scpd->scp;
-
- u32 status = readl(scp->base + scp->ctrl_reg.pwr_sta_offs) &
- scpd->data->sta_mask;
- u32 status2 = readl(scp->base + scp->ctrl_reg.pwr_sta2nd_offs) &
- scpd->data->sta_mask;
-
- /*
- * A domain is on when both status bits are set. If only one is set
- * return an error. This happens while powering up a domain
- */
-
- if (status && status2)
- return true;
- if (!status && !status2)
- return false;
-
- return -EINVAL;
-}
-
-static int scpsys_regulator_enable(struct scp_domain *scpd)
-{
- if (!scpd->supply)
- return 0;
-
- return regulator_enable(scpd->supply);
-}
-
-static int scpsys_regulator_disable(struct scp_domain *scpd)
-{
- if (!scpd->supply)
- return 0;
-
- return regulator_disable(scpd->supply);
-}
-
-static void scpsys_clk_disable(struct clk *clk[], int max_num)
-{
- int i;
-
- for (i = max_num - 1; i >= 0; i--)
- clk_disable_unprepare(clk[i]);
-}
-
-static int scpsys_clk_enable(struct clk *clk[], int max_num)
-{
- int i, ret = 0;
-
- for (i = 0; i < max_num && clk[i]; i++) {
- ret = clk_prepare_enable(clk[i]);
- if (ret) {
- scpsys_clk_disable(clk, i);
- break;
- }
- }
-
- return ret;
-}
-
-static int scpsys_sram_enable(struct scp_domain *scpd, void __iomem *ctl_addr)
-{
- u32 val;
- u32 pdn_ack = scpd->data->sram_pdn_ack_bits;
- int tmp;
-
- val = readl(ctl_addr);
- val &= ~scpd->data->sram_pdn_bits;
- writel(val, ctl_addr);
-
- /* Either wait until SRAM_PDN_ACK all 0 or have a force wait */
- if (MTK_SCPD_CAPS(scpd, MTK_SCPD_FWAIT_SRAM)) {
- /*
- * Currently, MTK_SCPD_FWAIT_SRAM is necessary only for
- * MT7622_POWER_DOMAIN_WB and thus just a trivial setup
- * is applied here.
- */
- usleep_range(12000, 12100);
- } else {
- /* Either wait until SRAM_PDN_ACK all 1 or 0 */
- int ret = readl_poll_timeout(ctl_addr, tmp,
- (tmp & pdn_ack) == 0,
- MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
- if (ret < 0)
- return ret;
- }
-
- return 0;
-}
-
-static int scpsys_sram_disable(struct scp_domain *scpd, void __iomem *ctl_addr)
-{
- u32 val;
- u32 pdn_ack = scpd->data->sram_pdn_ack_bits;
- int tmp;
-
- val = readl(ctl_addr);
- val |= scpd->data->sram_pdn_bits;
- writel(val, ctl_addr);
-
- /* Either wait until SRAM_PDN_ACK all 1 or 0 */
- return readl_poll_timeout(ctl_addr, tmp,
- (tmp & pdn_ack) == pdn_ack,
- MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
-}
-
-static int scpsys_bus_protect_enable(struct scp_domain *scpd)
-{
- struct scp *scp = scpd->scp;
-
- if (!scpd->data->bus_prot_mask)
- return 0;
-
- return mtk_infracfg_set_bus_protection(scp->infracfg,
- scpd->data->bus_prot_mask,
- scp->bus_prot_reg_update);
-}
-
-static int scpsys_bus_protect_disable(struct scp_domain *scpd)
-{
- struct scp *scp = scpd->scp;
-
- if (!scpd->data->bus_prot_mask)
- return 0;
-
- return mtk_infracfg_clear_bus_protection(scp->infracfg,
- scpd->data->bus_prot_mask,
- scp->bus_prot_reg_update);
-}
-
-static int scpsys_power_on(struct generic_pm_domain *genpd)
-{
- struct scp_domain *scpd = container_of(genpd, struct scp_domain, genpd);
- struct scp *scp = scpd->scp;
- void __iomem *ctl_addr = scp->base + scpd->data->ctl_offs;
- u32 val;
- int ret, tmp;
-
- ret = scpsys_regulator_enable(scpd);
- if (ret < 0)
- return ret;
-
- ret = scpsys_clk_enable(scpd->clk, MAX_CLKS);
- if (ret)
- goto err_clk;
-
- /* subsys power on */
- val = readl(ctl_addr);
- val |= PWR_ON_BIT;
- writel(val, ctl_addr);
- val |= PWR_ON_2ND_BIT;
- writel(val, ctl_addr);
-
- /* wait until PWR_ACK = 1 */
- ret = readx_poll_timeout(scpsys_domain_is_on, scpd, tmp, tmp > 0,
- MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
- if (ret < 0)
- goto err_pwr_ack;
-
- val &= ~PWR_CLK_DIS_BIT;
- writel(val, ctl_addr);
-
- val &= ~PWR_ISO_BIT;
- writel(val, ctl_addr);
-
- val |= PWR_RST_B_BIT;
- writel(val, ctl_addr);
-
- ret = scpsys_sram_enable(scpd, ctl_addr);
- if (ret < 0)
- goto err_pwr_ack;
-
- ret = scpsys_bus_protect_disable(scpd);
- if (ret < 0)
- goto err_pwr_ack;
-
- return 0;
-
-err_pwr_ack:
- scpsys_clk_disable(scpd->clk, MAX_CLKS);
-err_clk:
- scpsys_regulator_disable(scpd);
-
- dev_err(scp->dev, "Failed to power on domain %s\n", genpd->name);
-
- return ret;
-}
-
-static int scpsys_power_off(struct generic_pm_domain *genpd)
-{
- struct scp_domain *scpd = container_of(genpd, struct scp_domain, genpd);
- struct scp *scp = scpd->scp;
- void __iomem *ctl_addr = scp->base + scpd->data->ctl_offs;
- u32 val;
- int ret, tmp;
-
- ret = scpsys_bus_protect_enable(scpd);
- if (ret < 0)
- goto out;
-
- ret = scpsys_sram_disable(scpd, ctl_addr);
- if (ret < 0)
- goto out;
-
- /* subsys power off */
- val = readl(ctl_addr);
- val |= PWR_ISO_BIT;
- writel(val, ctl_addr);
-
- val &= ~PWR_RST_B_BIT;
- writel(val, ctl_addr);
-
- val |= PWR_CLK_DIS_BIT;
- writel(val, ctl_addr);
-
- val &= ~PWR_ON_BIT;
- writel(val, ctl_addr);
-
- val &= ~PWR_ON_2ND_BIT;
- writel(val, ctl_addr);
-
- /* wait until PWR_ACK = 0 */
- ret = readx_poll_timeout(scpsys_domain_is_on, scpd, tmp, tmp == 0,
- MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
- if (ret < 0)
- goto out;
-
- scpsys_clk_disable(scpd->clk, MAX_CLKS);
-
- ret = scpsys_regulator_disable(scpd);
- if (ret < 0)
- goto out;
-
- return 0;
-
-out:
- dev_err(scp->dev, "Failed to power off domain %s\n", genpd->name);
-
- return ret;
-}
-
-static void init_clks(struct platform_device *pdev, struct clk **clk)
-{
- int i;
-
- for (i = CLK_NONE + 1; i < CLK_MAX; i++)
- clk[i] = devm_clk_get(&pdev->dev, clk_names[i]);
-}
-
-static struct scp *init_scp(struct platform_device *pdev,
- const struct scp_domain_data *scp_domain_data, int num,
- const struct scp_ctrl_reg *scp_ctrl_reg,
- bool bus_prot_reg_update)
-{
- struct genpd_onecell_data *pd_data;
- struct resource *res;
- int i, j;
- struct scp *scp;
- struct clk *clk[CLK_MAX];
-
- scp = devm_kzalloc(&pdev->dev, sizeof(*scp), GFP_KERNEL);
- if (!scp)
- return ERR_PTR(-ENOMEM);
-
- scp->ctrl_reg.pwr_sta_offs = scp_ctrl_reg->pwr_sta_offs;
- scp->ctrl_reg.pwr_sta2nd_offs = scp_ctrl_reg->pwr_sta2nd_offs;
-
- scp->bus_prot_reg_update = bus_prot_reg_update;
-
- scp->dev = &pdev->dev;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- scp->base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(scp->base))
- return ERR_CAST(scp->base);
-
- scp->domains = devm_kcalloc(&pdev->dev,
- num, sizeof(*scp->domains), GFP_KERNEL);
- if (!scp->domains)
- return ERR_PTR(-ENOMEM);
-
- pd_data = &scp->pd_data;
-
- pd_data->domains = devm_kcalloc(&pdev->dev,
- num, sizeof(*pd_data->domains), GFP_KERNEL);
- if (!pd_data->domains)
- return ERR_PTR(-ENOMEM);
-
- scp->infracfg = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
- "infracfg");
- if (IS_ERR(scp->infracfg)) {
- dev_err(&pdev->dev, "Cannot find infracfg controller: %ld\n",
- PTR_ERR(scp->infracfg));
- return ERR_CAST(scp->infracfg);
- }
-
- for (i = 0; i < num; i++) {
- struct scp_domain *scpd = &scp->domains[i];
- const struct scp_domain_data *data = &scp_domain_data[i];
-
- scpd->supply = devm_regulator_get_optional(&pdev->dev, data->name);
- if (IS_ERR(scpd->supply)) {
- if (PTR_ERR(scpd->supply) == -ENODEV)
- scpd->supply = NULL;
- else
- return ERR_CAST(scpd->supply);
- }
- }
-
- pd_data->num_domains = num;
-
- init_clks(pdev, clk);
-
- for (i = 0; i < num; i++) {
- struct scp_domain *scpd = &scp->domains[i];
- struct generic_pm_domain *genpd = &scpd->genpd;
- const struct scp_domain_data *data = &scp_domain_data[i];
-
- pd_data->domains[i] = genpd;
- scpd->scp = scp;
-
- scpd->data = data;
-
- for (j = 0; j < MAX_CLKS && data->clk_id[j]; j++) {
- struct clk *c = clk[data->clk_id[j]];
-
- if (IS_ERR(c)) {
- dev_err(&pdev->dev, "%s: clk unavailable\n",
- data->name);
- return ERR_CAST(c);
- }
-
- scpd->clk[j] = c;
- }
-
- genpd->name = data->name;
- genpd->power_off = scpsys_power_off;
- genpd->power_on = scpsys_power_on;
- if (MTK_SCPD_CAPS(scpd, MTK_SCPD_ACTIVE_WAKEUP))
- genpd->flags |= GENPD_FLAG_ACTIVE_WAKEUP;
- }
-
- return scp;
-}
-
-static void mtk_register_power_domains(struct platform_device *pdev,
- struct scp *scp, int num)
-{
- struct genpd_onecell_data *pd_data;
- int i, ret;
-
- for (i = 0; i < num; i++) {
- struct scp_domain *scpd = &scp->domains[i];
- struct generic_pm_domain *genpd = &scpd->genpd;
- bool on;
-
- /*
- * Initially turn on all domains to make the domains usable
- * with !CONFIG_PM and to get the hardware in sync with the
- * software. The unused domains will be switched off during
- * late_init time.
- */
- on = !WARN_ON(genpd->power_on(genpd) < 0);
-
- pm_genpd_init(genpd, NULL, !on);
- }
-
- /*
- * We are not allowed to fail here since there is no way to unregister
- * a power domain. Once registered above we have to keep the domains
- * valid.
- */
-
- pd_data = &scp->pd_data;
-
- ret = of_genpd_add_provider_onecell(pdev->dev.of_node, pd_data);
- if (ret)
- dev_err(&pdev->dev, "Failed to add OF provider: %d\n", ret);
-}
-
-/*
- * MT2701 power domain support
- */
-
-static const struct scp_domain_data scp_domain_data_mt2701[] = {
- [MT2701_POWER_DOMAIN_CONN] = {
- .name = "conn",
- .sta_mask = PWR_STATUS_CONN,
- .ctl_offs = SPM_CONN_PWR_CON,
- .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_CONN_M |
- MT2701_TOP_AXI_PROT_EN_CONN_S,
- .clk_id = {CLK_NONE},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT2701_POWER_DOMAIN_DISP] = {
- .name = "disp",
- .sta_mask = PWR_STATUS_DISP,
- .ctl_offs = SPM_DIS_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .clk_id = {CLK_MM},
- .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_MM_M0,
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT2701_POWER_DOMAIN_MFG] = {
- .name = "mfg",
- .sta_mask = PWR_STATUS_MFG,
- .ctl_offs = SPM_MFG_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .clk_id = {CLK_MFG},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT2701_POWER_DOMAIN_VDEC] = {
- .name = "vdec",
- .sta_mask = PWR_STATUS_VDEC,
- .ctl_offs = SPM_VDE_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .clk_id = {CLK_MM},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT2701_POWER_DOMAIN_ISP] = {
- .name = "isp",
- .sta_mask = PWR_STATUS_ISP,
- .ctl_offs = SPM_ISP_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(13, 12),
- .clk_id = {CLK_MM},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT2701_POWER_DOMAIN_BDP] = {
- .name = "bdp",
- .sta_mask = PWR_STATUS_BDP,
- .ctl_offs = SPM_BDP_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .clk_id = {CLK_NONE},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT2701_POWER_DOMAIN_ETH] = {
- .name = "eth",
- .sta_mask = PWR_STATUS_ETH,
- .ctl_offs = SPM_ETH_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- .clk_id = {CLK_ETHIF},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT2701_POWER_DOMAIN_HIF] = {
- .name = "hif",
- .sta_mask = PWR_STATUS_HIF,
- .ctl_offs = SPM_HIF_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- .clk_id = {CLK_ETHIF},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT2701_POWER_DOMAIN_IFR_MSC] = {
- .name = "ifr_msc",
- .sta_mask = PWR_STATUS_IFR_MSC,
- .ctl_offs = SPM_IFR_MSC_PWR_CON,
- .clk_id = {CLK_NONE},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
-};
-
-/*
- * MT2712 power domain support
- */
-static const struct scp_domain_data scp_domain_data_mt2712[] = {
- [MT2712_POWER_DOMAIN_MM] = {
- .name = "mm",
- .sta_mask = PWR_STATUS_DISP,
- .ctl_offs = SPM_DIS_PWR_CON,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .clk_id = {CLK_MM},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT2712_POWER_DOMAIN_VDEC] = {
- .name = "vdec",
- .sta_mask = PWR_STATUS_VDEC,
- .ctl_offs = SPM_VDE_PWR_CON,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .clk_id = {CLK_MM, CLK_VDEC},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT2712_POWER_DOMAIN_VENC] = {
- .name = "venc",
- .sta_mask = PWR_STATUS_VENC,
- .ctl_offs = SPM_VEN_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- .clk_id = {CLK_MM, CLK_VENC, CLK_JPGDEC},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT2712_POWER_DOMAIN_ISP] = {
- .name = "isp",
- .sta_mask = PWR_STATUS_ISP,
- .ctl_offs = SPM_ISP_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(13, 12),
- .clk_id = {CLK_MM},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT2712_POWER_DOMAIN_AUDIO] = {
- .name = "audio",
- .sta_mask = PWR_STATUS_AUDIO,
- .ctl_offs = SPM_AUDIO_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- .clk_id = {CLK_AUDIO},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT2712_POWER_DOMAIN_USB] = {
- .name = "usb",
- .sta_mask = PWR_STATUS_USB,
- .ctl_offs = SPM_USB_PWR_CON,
- .sram_pdn_bits = GENMASK(10, 8),
- .sram_pdn_ack_bits = GENMASK(14, 12),
- .clk_id = {CLK_NONE},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT2712_POWER_DOMAIN_USB2] = {
- .name = "usb2",
- .sta_mask = PWR_STATUS_USB2,
- .ctl_offs = SPM_USB2_PWR_CON,
- .sram_pdn_bits = GENMASK(10, 8),
- .sram_pdn_ack_bits = GENMASK(14, 12),
- .clk_id = {CLK_NONE},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT2712_POWER_DOMAIN_MFG] = {
- .name = "mfg",
- .sta_mask = PWR_STATUS_MFG,
- .ctl_offs = SPM_MFG_PWR_CON,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(16, 16),
- .clk_id = {CLK_MFG},
- .bus_prot_mask = BIT(14) | BIT(21) | BIT(23),
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT2712_POWER_DOMAIN_MFG_SC1] = {
- .name = "mfg_sc1",
- .sta_mask = BIT(22),
- .ctl_offs = 0x02c0,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(16, 16),
- .clk_id = {CLK_NONE},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT2712_POWER_DOMAIN_MFG_SC2] = {
- .name = "mfg_sc2",
- .sta_mask = BIT(23),
- .ctl_offs = 0x02c4,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(16, 16),
- .clk_id = {CLK_NONE},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT2712_POWER_DOMAIN_MFG_SC3] = {
- .name = "mfg_sc3",
- .sta_mask = BIT(30),
- .ctl_offs = 0x01f8,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(16, 16),
- .clk_id = {CLK_NONE},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
-};
-
-static const struct scp_subdomain scp_subdomain_mt2712[] = {
- {MT2712_POWER_DOMAIN_MM, MT2712_POWER_DOMAIN_VDEC},
- {MT2712_POWER_DOMAIN_MM, MT2712_POWER_DOMAIN_VENC},
- {MT2712_POWER_DOMAIN_MM, MT2712_POWER_DOMAIN_ISP},
- {MT2712_POWER_DOMAIN_MFG, MT2712_POWER_DOMAIN_MFG_SC1},
- {MT2712_POWER_DOMAIN_MFG_SC1, MT2712_POWER_DOMAIN_MFG_SC2},
- {MT2712_POWER_DOMAIN_MFG_SC2, MT2712_POWER_DOMAIN_MFG_SC3},
-};
-
-/*
- * MT6797 power domain support
- */
-
-static const struct scp_domain_data scp_domain_data_mt6797[] = {
- [MT6797_POWER_DOMAIN_VDEC] = {
- .name = "vdec",
- .sta_mask = BIT(7),
- .ctl_offs = 0x300,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .clk_id = {CLK_VDEC},
- },
- [MT6797_POWER_DOMAIN_VENC] = {
- .name = "venc",
- .sta_mask = BIT(21),
- .ctl_offs = 0x304,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- .clk_id = {CLK_NONE},
- },
- [MT6797_POWER_DOMAIN_ISP] = {
- .name = "isp",
- .sta_mask = BIT(5),
- .ctl_offs = 0x308,
- .sram_pdn_bits = GENMASK(9, 8),
- .sram_pdn_ack_bits = GENMASK(13, 12),
- .clk_id = {CLK_NONE},
- },
- [MT6797_POWER_DOMAIN_MM] = {
- .name = "mm",
- .sta_mask = BIT(3),
- .ctl_offs = 0x30C,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .clk_id = {CLK_MM},
- .bus_prot_mask = (BIT(1) | BIT(2)),
- },
- [MT6797_POWER_DOMAIN_AUDIO] = {
- .name = "audio",
- .sta_mask = BIT(24),
- .ctl_offs = 0x314,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- .clk_id = {CLK_NONE},
- },
- [MT6797_POWER_DOMAIN_MFG_ASYNC] = {
- .name = "mfg_async",
- .sta_mask = BIT(13),
- .ctl_offs = 0x334,
- .sram_pdn_bits = 0,
- .sram_pdn_ack_bits = 0,
- .clk_id = {CLK_MFG},
- },
- [MT6797_POWER_DOMAIN_MJC] = {
- .name = "mjc",
- .sta_mask = BIT(20),
- .ctl_offs = 0x310,
- .sram_pdn_bits = GENMASK(8, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .clk_id = {CLK_NONE},
- },
-};
-
-#define SPM_PWR_STATUS_MT6797 0x0180
-#define SPM_PWR_STATUS_2ND_MT6797 0x0184
-
-static const struct scp_subdomain scp_subdomain_mt6797[] = {
- {MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_VDEC},
- {MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_ISP},
- {MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_VENC},
- {MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_MJC},
-};
-
-/*
- * MT7622 power domain support
- */
-
-static const struct scp_domain_data scp_domain_data_mt7622[] = {
- [MT7622_POWER_DOMAIN_ETHSYS] = {
- .name = "ethsys",
- .sta_mask = PWR_STATUS_ETHSYS,
- .ctl_offs = SPM_ETHSYS_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- .clk_id = {CLK_NONE},
- .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_ETHSYS,
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT7622_POWER_DOMAIN_HIF0] = {
- .name = "hif0",
- .sta_mask = PWR_STATUS_HIF0,
- .ctl_offs = SPM_HIF0_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- .clk_id = {CLK_HIFSEL},
- .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_HIF0,
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT7622_POWER_DOMAIN_HIF1] = {
- .name = "hif1",
- .sta_mask = PWR_STATUS_HIF1,
- .ctl_offs = SPM_HIF1_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- .clk_id = {CLK_HIFSEL},
- .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_HIF1,
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT7622_POWER_DOMAIN_WB] = {
- .name = "wb",
- .sta_mask = PWR_STATUS_WB,
- .ctl_offs = SPM_WB_PWR_CON,
- .sram_pdn_bits = 0,
- .sram_pdn_ack_bits = 0,
- .clk_id = {CLK_NONE},
- .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_WB,
- .caps = MTK_SCPD_ACTIVE_WAKEUP | MTK_SCPD_FWAIT_SRAM,
- },
-};
-
-/*
- * MT7623A power domain support
- */
-
-static const struct scp_domain_data scp_domain_data_mt7623a[] = {
- [MT7623A_POWER_DOMAIN_CONN] = {
- .name = "conn",
- .sta_mask = PWR_STATUS_CONN,
- .ctl_offs = SPM_CONN_PWR_CON,
- .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_CONN_M |
- MT2701_TOP_AXI_PROT_EN_CONN_S,
- .clk_id = {CLK_NONE},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT7623A_POWER_DOMAIN_ETH] = {
- .name = "eth",
- .sta_mask = PWR_STATUS_ETH,
- .ctl_offs = SPM_ETH_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- .clk_id = {CLK_ETHIF},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT7623A_POWER_DOMAIN_HIF] = {
- .name = "hif",
- .sta_mask = PWR_STATUS_HIF,
- .ctl_offs = SPM_HIF_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- .clk_id = {CLK_ETHIF},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT7623A_POWER_DOMAIN_IFR_MSC] = {
- .name = "ifr_msc",
- .sta_mask = PWR_STATUS_IFR_MSC,
- .ctl_offs = SPM_IFR_MSC_PWR_CON,
- .clk_id = {CLK_NONE},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
-};
-
-/*
- * MT8173 power domain support
- */
-
-static const struct scp_domain_data scp_domain_data_mt8173[] = {
- [MT8173_POWER_DOMAIN_VDEC] = {
- .name = "vdec",
- .sta_mask = PWR_STATUS_VDEC,
- .ctl_offs = SPM_VDE_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .clk_id = {CLK_MM},
- },
- [MT8173_POWER_DOMAIN_VENC] = {
- .name = "venc",
- .sta_mask = PWR_STATUS_VENC,
- .ctl_offs = SPM_VEN_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- .clk_id = {CLK_MM, CLK_VENC},
- },
- [MT8173_POWER_DOMAIN_ISP] = {
- .name = "isp",
- .sta_mask = PWR_STATUS_ISP,
- .ctl_offs = SPM_ISP_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(13, 12),
- .clk_id = {CLK_MM},
- },
- [MT8173_POWER_DOMAIN_MM] = {
- .name = "mm",
- .sta_mask = PWR_STATUS_DISP,
- .ctl_offs = SPM_DIS_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(12, 12),
- .clk_id = {CLK_MM},
- .bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MM_M0 |
- MT8173_TOP_AXI_PROT_EN_MM_M1,
- },
- [MT8173_POWER_DOMAIN_VENC_LT] = {
- .name = "venc_lt",
- .sta_mask = PWR_STATUS_VENC_LT,
- .ctl_offs = SPM_VEN2_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- .clk_id = {CLK_MM, CLK_VENC_LT},
- },
- [MT8173_POWER_DOMAIN_AUDIO] = {
- .name = "audio",
- .sta_mask = PWR_STATUS_AUDIO,
- .ctl_offs = SPM_AUDIO_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- .clk_id = {CLK_NONE},
- },
- [MT8173_POWER_DOMAIN_USB] = {
- .name = "usb",
- .sta_mask = PWR_STATUS_USB,
- .ctl_offs = SPM_USB_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(15, 12),
- .clk_id = {CLK_NONE},
- .caps = MTK_SCPD_ACTIVE_WAKEUP,
- },
- [MT8173_POWER_DOMAIN_MFG_ASYNC] = {
- .name = "mfg_async",
- .sta_mask = PWR_STATUS_MFG_ASYNC,
- .ctl_offs = SPM_MFG_ASYNC_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = 0,
- .clk_id = {CLK_MFG},
- },
- [MT8173_POWER_DOMAIN_MFG_2D] = {
- .name = "mfg_2d",
- .sta_mask = PWR_STATUS_MFG_2D,
- .ctl_offs = SPM_MFG_2D_PWR_CON,
- .sram_pdn_bits = GENMASK(11, 8),
- .sram_pdn_ack_bits = GENMASK(13, 12),
- .clk_id = {CLK_NONE},
- },
- [MT8173_POWER_DOMAIN_MFG] = {
- .name = "mfg",
- .sta_mask = PWR_STATUS_MFG,
- .ctl_offs = SPM_MFG_PWR_CON,
- .sram_pdn_bits = GENMASK(13, 8),
- .sram_pdn_ack_bits = GENMASK(21, 16),
- .clk_id = {CLK_NONE},
- .bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MFG_S |
- MT8173_TOP_AXI_PROT_EN_MFG_M0 |
- MT8173_TOP_AXI_PROT_EN_MFG_M1 |
- MT8173_TOP_AXI_PROT_EN_MFG_SNOOP_OUT,
- },
-};
-
-static const struct scp_subdomain scp_subdomain_mt8173[] = {
- {MT8173_POWER_DOMAIN_MFG_ASYNC, MT8173_POWER_DOMAIN_MFG_2D},
- {MT8173_POWER_DOMAIN_MFG_2D, MT8173_POWER_DOMAIN_MFG},
-};
-
-static const struct scp_soc_data mt2701_data = {
- .domains = scp_domain_data_mt2701,
- .num_domains = ARRAY_SIZE(scp_domain_data_mt2701),
- .regs = {
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
- },
- .bus_prot_reg_update = true,
-};
-
-static const struct scp_soc_data mt2712_data = {
- .domains = scp_domain_data_mt2712,
- .num_domains = ARRAY_SIZE(scp_domain_data_mt2712),
- .subdomains = scp_subdomain_mt2712,
- .num_subdomains = ARRAY_SIZE(scp_subdomain_mt2712),
- .regs = {
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
- },
- .bus_prot_reg_update = false,
-};
-
-static const struct scp_soc_data mt6797_data = {
- .domains = scp_domain_data_mt6797,
- .num_domains = ARRAY_SIZE(scp_domain_data_mt6797),
- .subdomains = scp_subdomain_mt6797,
- .num_subdomains = ARRAY_SIZE(scp_subdomain_mt6797),
- .regs = {
- .pwr_sta_offs = SPM_PWR_STATUS_MT6797,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND_MT6797
- },
- .bus_prot_reg_update = true,
-};
-
-static const struct scp_soc_data mt7622_data = {
- .domains = scp_domain_data_mt7622,
- .num_domains = ARRAY_SIZE(scp_domain_data_mt7622),
- .regs = {
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
- },
- .bus_prot_reg_update = true,
-};
-
-static const struct scp_soc_data mt7623a_data = {
- .domains = scp_domain_data_mt7623a,
- .num_domains = ARRAY_SIZE(scp_domain_data_mt7623a),
- .regs = {
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
- },
- .bus_prot_reg_update = true,
-};
-
-static const struct scp_soc_data mt8173_data = {
- .domains = scp_domain_data_mt8173,
- .num_domains = ARRAY_SIZE(scp_domain_data_mt8173),
- .subdomains = scp_subdomain_mt8173,
- .num_subdomains = ARRAY_SIZE(scp_subdomain_mt8173),
- .regs = {
- .pwr_sta_offs = SPM_PWR_STATUS,
- .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
- },
- .bus_prot_reg_update = true,
-};
-
-/*
- * scpsys driver init
- */
-
-static const struct of_device_id of_scpsys_match_tbl[] = {
- {
- .compatible = "mediatek,mt2701-scpsys",
- .data = &mt2701_data,
- }, {
- .compatible = "mediatek,mt2712-scpsys",
- .data = &mt2712_data,
- }, {
- .compatible = "mediatek,mt6797-scpsys",
- .data = &mt6797_data,
- }, {
- .compatible = "mediatek,mt7622-scpsys",
- .data = &mt7622_data,
- }, {
- .compatible = "mediatek,mt7623a-scpsys",
- .data = &mt7623a_data,
- }, {
- .compatible = "mediatek,mt8173-scpsys",
- .data = &mt8173_data,
- }, {
- /* sentinel */
- }
-};
-
-static int scpsys_probe(struct platform_device *pdev)
-{
- const struct scp_subdomain *sd;
- const struct scp_soc_data *soc;
- struct scp *scp;
- struct genpd_onecell_data *pd_data;
- int i, ret;
-
- soc = of_device_get_match_data(&pdev->dev);
-
- scp = init_scp(pdev, soc->domains, soc->num_domains, &soc->regs,
- soc->bus_prot_reg_update);
- if (IS_ERR(scp))
- return PTR_ERR(scp);
-
- mtk_register_power_domains(pdev, scp, soc->num_domains);
-
- pd_data = &scp->pd_data;
-
- for (i = 0, sd = soc->subdomains; i < soc->num_subdomains; i++, sd++) {
- ret = pm_genpd_add_subdomain(pd_data->domains[sd->origin],
- pd_data->domains[sd->subdomain]);
- if (ret && IS_ENABLED(CONFIG_PM))
- dev_err(&pdev->dev, "Failed to add subdomain: %d\n",
- ret);
- }
-
- return 0;
-}
-
-static struct platform_driver scpsys_drv = {
- .probe = scpsys_probe,
- .driver = {
- .name = "mtk-scpsys",
- .suppress_bind_attrs = true,
- .owner = THIS_MODULE,
- .of_match_table = of_scpsys_match_tbl,
- },
-};
-builtin_platform_driver(scpsys_drv);
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_QCOM_CPR) += cpr.o
-obj-$(CONFIG_QCOM_RPMPD) += rpmpd.o
-obj-$(CONFIG_QCOM_RPMHPD) += rpmhpd.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
- * Copyright (c) 2019, Linaro Limited
- */
-
-#include <linux/module.h>
-#include <linux/err.h>
-#include <linux/debugfs.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/list.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/bitops.h>
-#include <linux/slab.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/pm_opp.h>
-#include <linux/interrupt.h>
-#include <linux/regmap.h>
-#include <linux/mfd/syscon.h>
-#include <linux/regulator/consumer.h>
-#include <linux/clk.h>
-#include <linux/nvmem-consumer.h>
-
-/* Register Offsets for RB-CPR and Bit Definitions */
-
-/* RBCPR Version Register */
-#define REG_RBCPR_VERSION 0
-#define RBCPR_VER_2 0x02
-#define FLAGS_IGNORE_1ST_IRQ_STATUS BIT(0)
-
-/* RBCPR Gate Count and Target Registers */
-#define REG_RBCPR_GCNT_TARGET(n) (0x60 + 4 * (n))
-
-#define RBCPR_GCNT_TARGET_TARGET_SHIFT 0
-#define RBCPR_GCNT_TARGET_TARGET_MASK GENMASK(11, 0)
-#define RBCPR_GCNT_TARGET_GCNT_SHIFT 12
-#define RBCPR_GCNT_TARGET_GCNT_MASK GENMASK(9, 0)
-
-/* RBCPR Timer Control */
-#define REG_RBCPR_TIMER_INTERVAL 0x44
-#define REG_RBIF_TIMER_ADJUST 0x4c
-
-#define RBIF_TIMER_ADJ_CONS_UP_MASK GENMASK(3, 0)
-#define RBIF_TIMER_ADJ_CONS_UP_SHIFT 0
-#define RBIF_TIMER_ADJ_CONS_DOWN_MASK GENMASK(3, 0)
-#define RBIF_TIMER_ADJ_CONS_DOWN_SHIFT 4
-#define RBIF_TIMER_ADJ_CLAMP_INT_MASK GENMASK(7, 0)
-#define RBIF_TIMER_ADJ_CLAMP_INT_SHIFT 8
-
-/* RBCPR Config Register */
-#define REG_RBIF_LIMIT 0x48
-#define RBIF_LIMIT_CEILING_MASK GENMASK(5, 0)
-#define RBIF_LIMIT_CEILING_SHIFT 6
-#define RBIF_LIMIT_FLOOR_BITS 6
-#define RBIF_LIMIT_FLOOR_MASK GENMASK(5, 0)
-
-#define RBIF_LIMIT_CEILING_DEFAULT RBIF_LIMIT_CEILING_MASK
-#define RBIF_LIMIT_FLOOR_DEFAULT 0
-
-#define REG_RBIF_SW_VLEVEL 0x94
-#define RBIF_SW_VLEVEL_DEFAULT 0x20
-
-#define REG_RBCPR_STEP_QUOT 0x80
-#define RBCPR_STEP_QUOT_STEPQUOT_MASK GENMASK(7, 0)
-#define RBCPR_STEP_QUOT_IDLE_CLK_MASK GENMASK(3, 0)
-#define RBCPR_STEP_QUOT_IDLE_CLK_SHIFT 8
-
-/* RBCPR Control Register */
-#define REG_RBCPR_CTL 0x90
-
-#define RBCPR_CTL_LOOP_EN BIT(0)
-#define RBCPR_CTL_TIMER_EN BIT(3)
-#define RBCPR_CTL_SW_AUTO_CONT_ACK_EN BIT(5)
-#define RBCPR_CTL_SW_AUTO_CONT_NACK_DN_EN BIT(6)
-#define RBCPR_CTL_COUNT_MODE BIT(10)
-#define RBCPR_CTL_UP_THRESHOLD_MASK GENMASK(3, 0)
-#define RBCPR_CTL_UP_THRESHOLD_SHIFT 24
-#define RBCPR_CTL_DN_THRESHOLD_MASK GENMASK(3, 0)
-#define RBCPR_CTL_DN_THRESHOLD_SHIFT 28
-
-/* RBCPR Ack/Nack Response */
-#define REG_RBIF_CONT_ACK_CMD 0x98
-#define REG_RBIF_CONT_NACK_CMD 0x9c
-
-/* RBCPR Result status Register */
-#define REG_RBCPR_RESULT_0 0xa0
-
-#define RBCPR_RESULT0_BUSY_SHIFT 19
-#define RBCPR_RESULT0_BUSY_MASK BIT(RBCPR_RESULT0_BUSY_SHIFT)
-#define RBCPR_RESULT0_ERROR_LT0_SHIFT 18
-#define RBCPR_RESULT0_ERROR_SHIFT 6
-#define RBCPR_RESULT0_ERROR_MASK GENMASK(11, 0)
-#define RBCPR_RESULT0_ERROR_STEPS_SHIFT 2
-#define RBCPR_RESULT0_ERROR_STEPS_MASK GENMASK(3, 0)
-#define RBCPR_RESULT0_STEP_UP_SHIFT 1
-
-/* RBCPR Interrupt Control Register */
-#define REG_RBIF_IRQ_EN(n) (0x100 + 4 * (n))
-#define REG_RBIF_IRQ_CLEAR 0x110
-#define REG_RBIF_IRQ_STATUS 0x114
-
-#define CPR_INT_DONE BIT(0)
-#define CPR_INT_MIN BIT(1)
-#define CPR_INT_DOWN BIT(2)
-#define CPR_INT_MID BIT(3)
-#define CPR_INT_UP BIT(4)
-#define CPR_INT_MAX BIT(5)
-#define CPR_INT_CLAMP BIT(6)
-#define CPR_INT_ALL (CPR_INT_DONE | CPR_INT_MIN | CPR_INT_DOWN | \
- CPR_INT_MID | CPR_INT_UP | CPR_INT_MAX | CPR_INT_CLAMP)
-#define CPR_INT_DEFAULT (CPR_INT_UP | CPR_INT_DOWN)
-
-#define CPR_NUM_RING_OSC 8
-
-/* CPR eFuse parameters */
-#define CPR_FUSE_TARGET_QUOT_BITS_MASK GENMASK(11, 0)
-
-#define CPR_FUSE_MIN_QUOT_DIFF 50
-
-#define FUSE_REVISION_UNKNOWN (-1)
-
-enum voltage_change_dir {
- NO_CHANGE,
- DOWN,
- UP,
-};
-
-struct cpr_fuse {
- char *ring_osc;
- char *init_voltage;
- char *quotient;
- char *quotient_offset;
-};
-
-struct fuse_corner_data {
- int ref_uV;
- int max_uV;
- int min_uV;
- int max_volt_scale;
- int max_quot_scale;
- /* fuse quot */
- int quot_offset;
- int quot_scale;
- int quot_adjust;
- /* fuse quot_offset */
- int quot_offset_scale;
- int quot_offset_adjust;
-};
-
-struct cpr_fuses {
- int init_voltage_step;
- int init_voltage_width;
- struct fuse_corner_data *fuse_corner_data;
-};
-
-struct corner_data {
- unsigned int fuse_corner;
- unsigned long freq;
-};
-
-struct cpr_desc {
- unsigned int num_fuse_corners;
- int min_diff_quot;
- int *step_quot;
-
- unsigned int timer_delay_us;
- unsigned int timer_cons_up;
- unsigned int timer_cons_down;
- unsigned int up_threshold;
- unsigned int down_threshold;
- unsigned int idle_clocks;
- unsigned int gcnt_us;
- unsigned int vdd_apc_step_up_limit;
- unsigned int vdd_apc_step_down_limit;
- unsigned int clamp_timer_interval;
-
- struct cpr_fuses cpr_fuses;
- bool reduce_to_fuse_uV;
- bool reduce_to_corner_uV;
-};
-
-struct acc_desc {
- unsigned int enable_reg;
- u32 enable_mask;
-
- struct reg_sequence *config;
- struct reg_sequence *settings;
- int num_regs_per_fuse;
-};
-
-struct cpr_acc_desc {
- const struct cpr_desc *cpr_desc;
- const struct acc_desc *acc_desc;
-};
-
-struct fuse_corner {
- int min_uV;
- int max_uV;
- int uV;
- int quot;
- int step_quot;
- const struct reg_sequence *accs;
- int num_accs;
- unsigned long max_freq;
- u8 ring_osc_idx;
-};
-
-struct corner {
- int min_uV;
- int max_uV;
- int uV;
- int last_uV;
- int quot_adjust;
- u32 save_ctl;
- u32 save_irq;
- unsigned long freq;
- struct fuse_corner *fuse_corner;
-};
-
-struct cpr_drv {
- unsigned int num_corners;
- unsigned int ref_clk_khz;
-
- struct generic_pm_domain pd;
- struct device *dev;
- struct device *attached_cpu_dev;
- struct mutex lock;
- void __iomem *base;
- struct corner *corner;
- struct regulator *vdd_apc;
- struct clk *cpu_clk;
- struct regmap *tcsr;
- bool loop_disabled;
- u32 gcnt;
- unsigned long flags;
-
- struct fuse_corner *fuse_corners;
- struct corner *corners;
-
- const struct cpr_desc *desc;
- const struct acc_desc *acc_desc;
- const struct cpr_fuse *cpr_fuses;
-
- struct dentry *debugfs;
-};
-
-static bool cpr_is_allowed(struct cpr_drv *drv)
-{
- return !drv->loop_disabled;
-}
-
-static void cpr_write(struct cpr_drv *drv, u32 offset, u32 value)
-{
- writel_relaxed(value, drv->base + offset);
-}
-
-static u32 cpr_read(struct cpr_drv *drv, u32 offset)
-{
- return readl_relaxed(drv->base + offset);
-}
-
-static void
-cpr_masked_write(struct cpr_drv *drv, u32 offset, u32 mask, u32 value)
-{
- u32 val;
-
- val = readl_relaxed(drv->base + offset);
- val &= ~mask;
- val |= value & mask;
- writel_relaxed(val, drv->base + offset);
-}
-
-static void cpr_irq_clr(struct cpr_drv *drv)
-{
- cpr_write(drv, REG_RBIF_IRQ_CLEAR, CPR_INT_ALL);
-}
-
-static void cpr_irq_clr_nack(struct cpr_drv *drv)
-{
- cpr_irq_clr(drv);
- cpr_write(drv, REG_RBIF_CONT_NACK_CMD, 1);
-}
-
-static void cpr_irq_clr_ack(struct cpr_drv *drv)
-{
- cpr_irq_clr(drv);
- cpr_write(drv, REG_RBIF_CONT_ACK_CMD, 1);
-}
-
-static void cpr_irq_set(struct cpr_drv *drv, u32 int_bits)
-{
- cpr_write(drv, REG_RBIF_IRQ_EN(0), int_bits);
-}
-
-static void cpr_ctl_modify(struct cpr_drv *drv, u32 mask, u32 value)
-{
- cpr_masked_write(drv, REG_RBCPR_CTL, mask, value);
-}
-
-static void cpr_ctl_enable(struct cpr_drv *drv, struct corner *corner)
-{
- u32 val, mask;
- const struct cpr_desc *desc = drv->desc;
-
- /* Program Consecutive Up & Down */
- val = desc->timer_cons_down << RBIF_TIMER_ADJ_CONS_DOWN_SHIFT;
- val |= desc->timer_cons_up << RBIF_TIMER_ADJ_CONS_UP_SHIFT;
- mask = RBIF_TIMER_ADJ_CONS_UP_MASK | RBIF_TIMER_ADJ_CONS_DOWN_MASK;
- cpr_masked_write(drv, REG_RBIF_TIMER_ADJUST, mask, val);
- cpr_masked_write(drv, REG_RBCPR_CTL,
- RBCPR_CTL_SW_AUTO_CONT_NACK_DN_EN |
- RBCPR_CTL_SW_AUTO_CONT_ACK_EN,
- corner->save_ctl);
- cpr_irq_set(drv, corner->save_irq);
-
- if (cpr_is_allowed(drv) && corner->max_uV > corner->min_uV)
- val = RBCPR_CTL_LOOP_EN;
- else
- val = 0;
- cpr_ctl_modify(drv, RBCPR_CTL_LOOP_EN, val);
-}
-
-static void cpr_ctl_disable(struct cpr_drv *drv)
-{
- cpr_irq_set(drv, 0);
- cpr_ctl_modify(drv, RBCPR_CTL_SW_AUTO_CONT_NACK_DN_EN |
- RBCPR_CTL_SW_AUTO_CONT_ACK_EN, 0);
- cpr_masked_write(drv, REG_RBIF_TIMER_ADJUST,
- RBIF_TIMER_ADJ_CONS_UP_MASK |
- RBIF_TIMER_ADJ_CONS_DOWN_MASK, 0);
- cpr_irq_clr(drv);
- cpr_write(drv, REG_RBIF_CONT_ACK_CMD, 1);
- cpr_write(drv, REG_RBIF_CONT_NACK_CMD, 1);
- cpr_ctl_modify(drv, RBCPR_CTL_LOOP_EN, 0);
-}
-
-static bool cpr_ctl_is_enabled(struct cpr_drv *drv)
-{
- u32 reg_val;
-
- reg_val = cpr_read(drv, REG_RBCPR_CTL);
- return reg_val & RBCPR_CTL_LOOP_EN;
-}
-
-static bool cpr_ctl_is_busy(struct cpr_drv *drv)
-{
- u32 reg_val;
-
- reg_val = cpr_read(drv, REG_RBCPR_RESULT_0);
- return reg_val & RBCPR_RESULT0_BUSY_MASK;
-}
-
-static void cpr_corner_save(struct cpr_drv *drv, struct corner *corner)
-{
- corner->save_ctl = cpr_read(drv, REG_RBCPR_CTL);
- corner->save_irq = cpr_read(drv, REG_RBIF_IRQ_EN(0));
-}
-
-static void cpr_corner_restore(struct cpr_drv *drv, struct corner *corner)
-{
- u32 gcnt, ctl, irq, ro_sel, step_quot;
- struct fuse_corner *fuse = corner->fuse_corner;
- const struct cpr_desc *desc = drv->desc;
- int i;
-
- ro_sel = fuse->ring_osc_idx;
- gcnt = drv->gcnt;
- gcnt |= fuse->quot - corner->quot_adjust;
-
- /* Program the step quotient and idle clocks */
- step_quot = desc->idle_clocks << RBCPR_STEP_QUOT_IDLE_CLK_SHIFT;
- step_quot |= fuse->step_quot & RBCPR_STEP_QUOT_STEPQUOT_MASK;
- cpr_write(drv, REG_RBCPR_STEP_QUOT, step_quot);
-
- /* Clear the target quotient value and gate count of all ROs */
- for (i = 0; i < CPR_NUM_RING_OSC; i++)
- cpr_write(drv, REG_RBCPR_GCNT_TARGET(i), 0);
-
- cpr_write(drv, REG_RBCPR_GCNT_TARGET(ro_sel), gcnt);
- ctl = corner->save_ctl;
- cpr_write(drv, REG_RBCPR_CTL, ctl);
- irq = corner->save_irq;
- cpr_irq_set(drv, irq);
- dev_dbg(drv->dev, "gcnt = %#08x, ctl = %#08x, irq = %#08x\n", gcnt,
- ctl, irq);
-}
-
-static void cpr_set_acc(struct regmap *tcsr, struct fuse_corner *f,
- struct fuse_corner *end)
-{
- if (f == end)
- return;
-
- if (f < end) {
- for (f += 1; f <= end; f++)
- regmap_multi_reg_write(tcsr, f->accs, f->num_accs);
- } else {
- for (f -= 1; f >= end; f--)
- regmap_multi_reg_write(tcsr, f->accs, f->num_accs);
- }
-}
-
-static int cpr_pre_voltage(struct cpr_drv *drv,
- struct fuse_corner *fuse_corner,
- enum voltage_change_dir dir)
-{
- struct fuse_corner *prev_fuse_corner = drv->corner->fuse_corner;
-
- if (drv->tcsr && dir == DOWN)
- cpr_set_acc(drv->tcsr, prev_fuse_corner, fuse_corner);
-
- return 0;
-}
-
-static int cpr_post_voltage(struct cpr_drv *drv,
- struct fuse_corner *fuse_corner,
- enum voltage_change_dir dir)
-{
- struct fuse_corner *prev_fuse_corner = drv->corner->fuse_corner;
-
- if (drv->tcsr && dir == UP)
- cpr_set_acc(drv->tcsr, prev_fuse_corner, fuse_corner);
-
- return 0;
-}
-
-static int cpr_scale_voltage(struct cpr_drv *drv, struct corner *corner,
- int new_uV, enum voltage_change_dir dir)
-{
- int ret;
- struct fuse_corner *fuse_corner = corner->fuse_corner;
-
- ret = cpr_pre_voltage(drv, fuse_corner, dir);
- if (ret)
- return ret;
-
- ret = regulator_set_voltage(drv->vdd_apc, new_uV, new_uV);
- if (ret) {
- dev_err_ratelimited(drv->dev, "failed to set apc voltage %d\n",
- new_uV);
- return ret;
- }
-
- ret = cpr_post_voltage(drv, fuse_corner, dir);
- if (ret)
- return ret;
-
- return 0;
-}
-
-static unsigned int cpr_get_cur_perf_state(struct cpr_drv *drv)
-{
- return drv->corner ? drv->corner - drv->corners + 1 : 0;
-}
-
-static int cpr_scale(struct cpr_drv *drv, enum voltage_change_dir dir)
-{
- u32 val, error_steps, reg_mask;
- int last_uV, new_uV, step_uV, ret;
- struct corner *corner;
- const struct cpr_desc *desc = drv->desc;
-
- if (dir != UP && dir != DOWN)
- return 0;
-
- step_uV = regulator_get_linear_step(drv->vdd_apc);
- if (!step_uV)
- return -EINVAL;
-
- corner = drv->corner;
-
- val = cpr_read(drv, REG_RBCPR_RESULT_0);
-
- error_steps = val >> RBCPR_RESULT0_ERROR_STEPS_SHIFT;
- error_steps &= RBCPR_RESULT0_ERROR_STEPS_MASK;
- last_uV = corner->last_uV;
-
- if (dir == UP) {
- if (desc->clamp_timer_interval &&
- error_steps < desc->up_threshold) {
- /*
- * Handle the case where another measurement started
- * after the interrupt was triggered due to a core
- * exiting from power collapse.
- */
- error_steps = max(desc->up_threshold,
- desc->vdd_apc_step_up_limit);
- }
-
- if (last_uV >= corner->max_uV) {
- cpr_irq_clr_nack(drv);
-
- /* Maximize the UP threshold */
- reg_mask = RBCPR_CTL_UP_THRESHOLD_MASK;
- reg_mask <<= RBCPR_CTL_UP_THRESHOLD_SHIFT;
- val = reg_mask;
- cpr_ctl_modify(drv, reg_mask, val);
-
- /* Disable UP interrupt */
- cpr_irq_set(drv, CPR_INT_DEFAULT & ~CPR_INT_UP);
-
- return 0;
- }
-
- if (error_steps > desc->vdd_apc_step_up_limit)
- error_steps = desc->vdd_apc_step_up_limit;
-
- /* Calculate new voltage */
- new_uV = last_uV + error_steps * step_uV;
- new_uV = min(new_uV, corner->max_uV);
-
- dev_dbg(drv->dev,
- "UP: -> new_uV: %d last_uV: %d perf state: %u\n",
- new_uV, last_uV, cpr_get_cur_perf_state(drv));
- } else {
- if (desc->clamp_timer_interval &&
- error_steps < desc->down_threshold) {
- /*
- * Handle the case where another measurement started
- * after the interrupt was triggered due to a core
- * exiting from power collapse.
- */
- error_steps = max(desc->down_threshold,
- desc->vdd_apc_step_down_limit);
- }
-
- if (last_uV <= corner->min_uV) {
- cpr_irq_clr_nack(drv);
-
- /* Enable auto nack down */
- reg_mask = RBCPR_CTL_SW_AUTO_CONT_NACK_DN_EN;
- val = RBCPR_CTL_SW_AUTO_CONT_NACK_DN_EN;
-
- cpr_ctl_modify(drv, reg_mask, val);
-
- /* Disable DOWN interrupt */
- cpr_irq_set(drv, CPR_INT_DEFAULT & ~CPR_INT_DOWN);
-
- return 0;
- }
-
- if (error_steps > desc->vdd_apc_step_down_limit)
- error_steps = desc->vdd_apc_step_down_limit;
-
- /* Calculate new voltage */
- new_uV = last_uV - error_steps * step_uV;
- new_uV = max(new_uV, corner->min_uV);
-
- dev_dbg(drv->dev,
- "DOWN: -> new_uV: %d last_uV: %d perf state: %u\n",
- new_uV, last_uV, cpr_get_cur_perf_state(drv));
- }
-
- ret = cpr_scale_voltage(drv, corner, new_uV, dir);
- if (ret) {
- cpr_irq_clr_nack(drv);
- return ret;
- }
- drv->corner->last_uV = new_uV;
-
- if (dir == UP) {
- /* Disable auto nack down */
- reg_mask = RBCPR_CTL_SW_AUTO_CONT_NACK_DN_EN;
- val = 0;
- } else {
- /* Restore default threshold for UP */
- reg_mask = RBCPR_CTL_UP_THRESHOLD_MASK;
- reg_mask <<= RBCPR_CTL_UP_THRESHOLD_SHIFT;
- val = desc->up_threshold;
- val <<= RBCPR_CTL_UP_THRESHOLD_SHIFT;
- }
-
- cpr_ctl_modify(drv, reg_mask, val);
-
- /* Re-enable default interrupts */
- cpr_irq_set(drv, CPR_INT_DEFAULT);
-
- /* Ack */
- cpr_irq_clr_ack(drv);
-
- return 0;
-}
-
-static irqreturn_t cpr_irq_handler(int irq, void *dev)
-{
- struct cpr_drv *drv = dev;
- const struct cpr_desc *desc = drv->desc;
- irqreturn_t ret = IRQ_HANDLED;
- u32 val;
-
- mutex_lock(&drv->lock);
-
- val = cpr_read(drv, REG_RBIF_IRQ_STATUS);
- if (drv->flags & FLAGS_IGNORE_1ST_IRQ_STATUS)
- val = cpr_read(drv, REG_RBIF_IRQ_STATUS);
-
- dev_dbg(drv->dev, "IRQ_STATUS = %#02x\n", val);
-
- if (!cpr_ctl_is_enabled(drv)) {
- dev_dbg(drv->dev, "CPR is disabled\n");
- ret = IRQ_NONE;
- } else if (cpr_ctl_is_busy(drv) && !desc->clamp_timer_interval) {
- dev_dbg(drv->dev, "CPR measurement is not ready\n");
- } else if (!cpr_is_allowed(drv)) {
- val = cpr_read(drv, REG_RBCPR_CTL);
- dev_err_ratelimited(drv->dev,
- "Interrupt broken? RBCPR_CTL = %#02x\n",
- val);
- ret = IRQ_NONE;
- } else {
- /*
- * Following sequence of handling is as per each IRQ's
- * priority
- */
- if (val & CPR_INT_UP) {
- cpr_scale(drv, UP);
- } else if (val & CPR_INT_DOWN) {
- cpr_scale(drv, DOWN);
- } else if (val & CPR_INT_MIN) {
- cpr_irq_clr_nack(drv);
- } else if (val & CPR_INT_MAX) {
- cpr_irq_clr_nack(drv);
- } else if (val & CPR_INT_MID) {
- /* RBCPR_CTL_SW_AUTO_CONT_ACK_EN is enabled */
- dev_dbg(drv->dev, "IRQ occurred for Mid Flag\n");
- } else {
- dev_dbg(drv->dev,
- "IRQ occurred for unknown flag (%#08x)\n", val);
- }
-
- /* Save register values for the corner */
- cpr_corner_save(drv, drv->corner);
- }
-
- mutex_unlock(&drv->lock);
-
- return ret;
-}
-
-static int cpr_enable(struct cpr_drv *drv)
-{
- int ret;
-
- ret = regulator_enable(drv->vdd_apc);
- if (ret)
- return ret;
-
- mutex_lock(&drv->lock);
-
- if (cpr_is_allowed(drv) && drv->corner) {
- cpr_irq_clr(drv);
- cpr_corner_restore(drv, drv->corner);
- cpr_ctl_enable(drv, drv->corner);
- }
-
- mutex_unlock(&drv->lock);
-
- return 0;
-}
-
-static int cpr_disable(struct cpr_drv *drv)
-{
- mutex_lock(&drv->lock);
-
- if (cpr_is_allowed(drv)) {
- cpr_ctl_disable(drv);
- cpr_irq_clr(drv);
- }
-
- mutex_unlock(&drv->lock);
-
- return regulator_disable(drv->vdd_apc);
-}
-
-static int cpr_config(struct cpr_drv *drv)
-{
- int i;
- u32 val, gcnt;
- struct corner *corner;
- const struct cpr_desc *desc = drv->desc;
-
- /* Disable interrupt and CPR */
- cpr_write(drv, REG_RBIF_IRQ_EN(0), 0);
- cpr_write(drv, REG_RBCPR_CTL, 0);
-
- /* Program the default HW ceiling, floor and vlevel */
- val = (RBIF_LIMIT_CEILING_DEFAULT & RBIF_LIMIT_CEILING_MASK)
- << RBIF_LIMIT_CEILING_SHIFT;
- val |= RBIF_LIMIT_FLOOR_DEFAULT & RBIF_LIMIT_FLOOR_MASK;
- cpr_write(drv, REG_RBIF_LIMIT, val);
- cpr_write(drv, REG_RBIF_SW_VLEVEL, RBIF_SW_VLEVEL_DEFAULT);
-
- /*
- * Clear the target quotient value and gate count of all
- * ring oscillators
- */
- for (i = 0; i < CPR_NUM_RING_OSC; i++)
- cpr_write(drv, REG_RBCPR_GCNT_TARGET(i), 0);
-
- /* Init and save gcnt */
- gcnt = (drv->ref_clk_khz * desc->gcnt_us) / 1000;
- gcnt = gcnt & RBCPR_GCNT_TARGET_GCNT_MASK;
- gcnt <<= RBCPR_GCNT_TARGET_GCNT_SHIFT;
- drv->gcnt = gcnt;
-
- /* Program the delay count for the timer */
- val = (drv->ref_clk_khz * desc->timer_delay_us) / 1000;
- cpr_write(drv, REG_RBCPR_TIMER_INTERVAL, val);
- dev_dbg(drv->dev, "Timer count: %#0x (for %d us)\n", val,
- desc->timer_delay_us);
-
- /* Program Consecutive Up & Down */
- val = desc->timer_cons_down << RBIF_TIMER_ADJ_CONS_DOWN_SHIFT;
- val |= desc->timer_cons_up << RBIF_TIMER_ADJ_CONS_UP_SHIFT;
- val |= desc->clamp_timer_interval << RBIF_TIMER_ADJ_CLAMP_INT_SHIFT;
- cpr_write(drv, REG_RBIF_TIMER_ADJUST, val);
-
- /* Program the control register */
- val = desc->up_threshold << RBCPR_CTL_UP_THRESHOLD_SHIFT;
- val |= desc->down_threshold << RBCPR_CTL_DN_THRESHOLD_SHIFT;
- val |= RBCPR_CTL_TIMER_EN | RBCPR_CTL_COUNT_MODE;
- val |= RBCPR_CTL_SW_AUTO_CONT_ACK_EN;
- cpr_write(drv, REG_RBCPR_CTL, val);
-
- for (i = 0; i < drv->num_corners; i++) {
- corner = &drv->corners[i];
- corner->save_ctl = val;
- corner->save_irq = CPR_INT_DEFAULT;
- }
-
- cpr_irq_set(drv, CPR_INT_DEFAULT);
-
- val = cpr_read(drv, REG_RBCPR_VERSION);
- if (val <= RBCPR_VER_2)
- drv->flags |= FLAGS_IGNORE_1ST_IRQ_STATUS;
-
- return 0;
-}
-
-static int cpr_set_performance_state(struct generic_pm_domain *domain,
- unsigned int state)
-{
- struct cpr_drv *drv = container_of(domain, struct cpr_drv, pd);
- struct corner *corner, *end;
- enum voltage_change_dir dir;
- int ret = 0, new_uV;
-
- mutex_lock(&drv->lock);
-
- dev_dbg(drv->dev, "%s: setting perf state: %u (prev state: %u)\n",
- __func__, state, cpr_get_cur_perf_state(drv));
-
- /*
- * Determine new corner we're going to.
- * Remove one since lowest performance state is 1.
- */
- corner = drv->corners + state - 1;
- end = &drv->corners[drv->num_corners - 1];
- if (corner > end || corner < drv->corners) {
- ret = -EINVAL;
- goto unlock;
- }
-
- /* Determine direction */
- if (drv->corner > corner)
- dir = DOWN;
- else if (drv->corner < corner)
- dir = UP;
- else
- dir = NO_CHANGE;
-
- if (cpr_is_allowed(drv))
- new_uV = corner->last_uV;
- else
- new_uV = corner->uV;
-
- if (cpr_is_allowed(drv))
- cpr_ctl_disable(drv);
-
- ret = cpr_scale_voltage(drv, corner, new_uV, dir);
- if (ret)
- goto unlock;
-
- if (cpr_is_allowed(drv)) {
- cpr_irq_clr(drv);
- if (drv->corner != corner)
- cpr_corner_restore(drv, corner);
- cpr_ctl_enable(drv, corner);
- }
-
- drv->corner = corner;
-
-unlock:
- mutex_unlock(&drv->lock);
-
- return ret;
-}
-
-static int
-cpr_populate_ring_osc_idx(struct cpr_drv *drv)
-{
- struct fuse_corner *fuse = drv->fuse_corners;
- struct fuse_corner *end = fuse + drv->desc->num_fuse_corners;
- const struct cpr_fuse *fuses = drv->cpr_fuses;
- u32 data;
- int ret;
-
- for (; fuse < end; fuse++, fuses++) {
- ret = nvmem_cell_read_variable_le_u32(drv->dev, fuses->ring_osc, &data);
- if (ret)
- return ret;
- fuse->ring_osc_idx = data;
- }
-
- return 0;
-}
-
-static int cpr_read_fuse_uV(const struct cpr_desc *desc,
- const struct fuse_corner_data *fdata,
- const char *init_v_efuse,
- int step_volt,
- struct cpr_drv *drv)
-{
- int step_size_uV, steps, uV;
- u32 bits = 0;
- int ret;
-
- ret = nvmem_cell_read_variable_le_u32(drv->dev, init_v_efuse, &bits);
- if (ret)
- return ret;
-
- steps = bits & ~BIT(desc->cpr_fuses.init_voltage_width - 1);
- /* Not two's complement.. instead highest bit is sign bit */
- if (bits & BIT(desc->cpr_fuses.init_voltage_width - 1))
- steps = -steps;
-
- step_size_uV = desc->cpr_fuses.init_voltage_step;
-
- uV = fdata->ref_uV + steps * step_size_uV;
- return DIV_ROUND_UP(uV, step_volt) * step_volt;
-}
-
-static int cpr_fuse_corner_init(struct cpr_drv *drv)
-{
- const struct cpr_desc *desc = drv->desc;
- const struct cpr_fuse *fuses = drv->cpr_fuses;
- const struct acc_desc *acc_desc = drv->acc_desc;
- int i;
- unsigned int step_volt;
- struct fuse_corner_data *fdata;
- struct fuse_corner *fuse, *end;
- int uV;
- const struct reg_sequence *accs;
- int ret;
-
- accs = acc_desc->settings;
-
- step_volt = regulator_get_linear_step(drv->vdd_apc);
- if (!step_volt)
- return -EINVAL;
-
- /* Populate fuse_corner members */
- fuse = drv->fuse_corners;
- end = &fuse[desc->num_fuse_corners - 1];
- fdata = desc->cpr_fuses.fuse_corner_data;
-
- for (i = 0; fuse <= end; fuse++, fuses++, i++, fdata++) {
- /*
- * Update SoC voltages: platforms might choose a different
- * regulators than the one used to characterize the algorithms
- * (ie, init_voltage_step).
- */
- fdata->min_uV = roundup(fdata->min_uV, step_volt);
- fdata->max_uV = roundup(fdata->max_uV, step_volt);
-
- /* Populate uV */
- uV = cpr_read_fuse_uV(desc, fdata, fuses->init_voltage,
- step_volt, drv);
- if (uV < 0)
- return uV;
-
- fuse->min_uV = fdata->min_uV;
- fuse->max_uV = fdata->max_uV;
- fuse->uV = clamp(uV, fuse->min_uV, fuse->max_uV);
-
- if (fuse == end) {
- /*
- * Allow the highest fuse corner's PVS voltage to
- * define the ceiling voltage for that corner in order
- * to support SoC's in which variable ceiling values
- * are required.
- */
- end->max_uV = max(end->max_uV, end->uV);
- }
-
- /* Populate target quotient by scaling */
- ret = nvmem_cell_read_variable_le_u32(drv->dev, fuses->quotient, &fuse->quot);
- if (ret)
- return ret;
-
- fuse->quot *= fdata->quot_scale;
- fuse->quot += fdata->quot_offset;
- fuse->quot += fdata->quot_adjust;
- fuse->step_quot = desc->step_quot[fuse->ring_osc_idx];
-
- /* Populate acc settings */
- fuse->accs = accs;
- fuse->num_accs = acc_desc->num_regs_per_fuse;
- accs += acc_desc->num_regs_per_fuse;
- }
-
- /*
- * Restrict all fuse corner PVS voltages based upon per corner
- * ceiling and floor voltages.
- */
- for (fuse = drv->fuse_corners, i = 0; fuse <= end; fuse++, i++) {
- if (fuse->uV > fuse->max_uV)
- fuse->uV = fuse->max_uV;
- else if (fuse->uV < fuse->min_uV)
- fuse->uV = fuse->min_uV;
-
- ret = regulator_is_supported_voltage(drv->vdd_apc,
- fuse->min_uV,
- fuse->min_uV);
- if (!ret) {
- dev_err(drv->dev,
- "min uV: %d (fuse corner: %d) not supported by regulator\n",
- fuse->min_uV, i);
- return -EINVAL;
- }
-
- ret = regulator_is_supported_voltage(drv->vdd_apc,
- fuse->max_uV,
- fuse->max_uV);
- if (!ret) {
- dev_err(drv->dev,
- "max uV: %d (fuse corner: %d) not supported by regulator\n",
- fuse->max_uV, i);
- return -EINVAL;
- }
-
- dev_dbg(drv->dev,
- "fuse corner %d: [%d %d %d] RO%hhu quot %d squot %d\n",
- i, fuse->min_uV, fuse->uV, fuse->max_uV,
- fuse->ring_osc_idx, fuse->quot, fuse->step_quot);
- }
-
- return 0;
-}
-
-static int cpr_calculate_scaling(const char *quot_offset,
- struct cpr_drv *drv,
- const struct fuse_corner_data *fdata,
- const struct corner *corner)
-{
- u32 quot_diff = 0;
- unsigned long freq_diff;
- int scaling;
- const struct fuse_corner *fuse, *prev_fuse;
- int ret;
-
- fuse = corner->fuse_corner;
- prev_fuse = fuse - 1;
-
- if (quot_offset) {
- ret = nvmem_cell_read_variable_le_u32(drv->dev, quot_offset, "_diff);
- if (ret)
- return ret;
-
- quot_diff *= fdata->quot_offset_scale;
- quot_diff += fdata->quot_offset_adjust;
- } else {
- quot_diff = fuse->quot - prev_fuse->quot;
- }
-
- freq_diff = fuse->max_freq - prev_fuse->max_freq;
- freq_diff /= 1000000; /* Convert to MHz */
- scaling = 1000 * quot_diff / freq_diff;
- return min(scaling, fdata->max_quot_scale);
-}
-
-static int cpr_interpolate(const struct corner *corner, int step_volt,
- const struct fuse_corner_data *fdata)
-{
- unsigned long f_high, f_low, f_diff;
- int uV_high, uV_low, uV;
- u64 temp, temp_limit;
- const struct fuse_corner *fuse, *prev_fuse;
-
- fuse = corner->fuse_corner;
- prev_fuse = fuse - 1;
-
- f_high = fuse->max_freq;
- f_low = prev_fuse->max_freq;
- uV_high = fuse->uV;
- uV_low = prev_fuse->uV;
- f_diff = fuse->max_freq - corner->freq;
-
- /*
- * Don't interpolate in the wrong direction. This could happen
- * if the adjusted fuse voltage overlaps with the previous fuse's
- * adjusted voltage.
- */
- if (f_high <= f_low || uV_high <= uV_low || f_high <= corner->freq)
- return corner->uV;
-
- temp = f_diff * (uV_high - uV_low);
- temp = div64_ul(temp, f_high - f_low);
-
- /*
- * max_volt_scale has units of uV/MHz while freq values
- * have units of Hz. Divide by 1000000 to convert to.
- */
- temp_limit = f_diff * fdata->max_volt_scale;
- do_div(temp_limit, 1000000);
-
- uV = uV_high - min(temp, temp_limit);
- return roundup(uV, step_volt);
-}
-
-static unsigned int cpr_get_fuse_corner(struct dev_pm_opp *opp)
-{
- struct device_node *np;
- unsigned int fuse_corner = 0;
-
- np = dev_pm_opp_get_of_node(opp);
- if (of_property_read_u32(np, "qcom,opp-fuse-level", &fuse_corner))
- pr_err("%s: missing 'qcom,opp-fuse-level' property\n",
- __func__);
-
- of_node_put(np);
-
- return fuse_corner;
-}
-
-static unsigned long cpr_get_opp_hz_for_req(struct dev_pm_opp *ref,
- struct device *cpu_dev)
-{
- u64 rate = 0;
- struct device_node *ref_np;
- struct device_node *desc_np;
- struct device_node *child_np = NULL;
- struct device_node *child_req_np = NULL;
-
- desc_np = dev_pm_opp_of_get_opp_desc_node(cpu_dev);
- if (!desc_np)
- return 0;
-
- ref_np = dev_pm_opp_get_of_node(ref);
- if (!ref_np)
- goto out_ref;
-
- do {
- of_node_put(child_req_np);
- child_np = of_get_next_available_child(desc_np, child_np);
- child_req_np = of_parse_phandle(child_np, "required-opps", 0);
- } while (child_np && child_req_np != ref_np);
-
- if (child_np && child_req_np == ref_np)
- of_property_read_u64(child_np, "opp-hz", &rate);
-
- of_node_put(child_req_np);
- of_node_put(child_np);
- of_node_put(ref_np);
-out_ref:
- of_node_put(desc_np);
-
- return (unsigned long) rate;
-}
-
-static int cpr_corner_init(struct cpr_drv *drv)
-{
- const struct cpr_desc *desc = drv->desc;
- const struct cpr_fuse *fuses = drv->cpr_fuses;
- int i, level, scaling = 0;
- unsigned int fnum, fc;
- const char *quot_offset;
- struct fuse_corner *fuse, *prev_fuse;
- struct corner *corner, *end;
- struct corner_data *cdata;
- const struct fuse_corner_data *fdata;
- bool apply_scaling;
- unsigned long freq_diff, freq_diff_mhz;
- unsigned long freq;
- int step_volt = regulator_get_linear_step(drv->vdd_apc);
- struct dev_pm_opp *opp;
-
- if (!step_volt)
- return -EINVAL;
-
- corner = drv->corners;
- end = &corner[drv->num_corners - 1];
-
- cdata = devm_kcalloc(drv->dev, drv->num_corners,
- sizeof(struct corner_data),
- GFP_KERNEL);
- if (!cdata)
- return -ENOMEM;
-
- /*
- * Store maximum frequency for each fuse corner based on the frequency
- * plan
- */
- for (level = 1; level <= drv->num_corners; level++) {
- opp = dev_pm_opp_find_level_exact(&drv->pd.dev, level);
- if (IS_ERR(opp))
- return -EINVAL;
- fc = cpr_get_fuse_corner(opp);
- if (!fc) {
- dev_pm_opp_put(opp);
- return -EINVAL;
- }
- fnum = fc - 1;
- freq = cpr_get_opp_hz_for_req(opp, drv->attached_cpu_dev);
- if (!freq) {
- dev_pm_opp_put(opp);
- return -EINVAL;
- }
- cdata[level - 1].fuse_corner = fnum;
- cdata[level - 1].freq = freq;
-
- fuse = &drv->fuse_corners[fnum];
- dev_dbg(drv->dev, "freq: %lu level: %u fuse level: %u\n",
- freq, dev_pm_opp_get_level(opp) - 1, fnum);
- if (freq > fuse->max_freq)
- fuse->max_freq = freq;
- dev_pm_opp_put(opp);
- }
-
- /*
- * Get the quotient adjustment scaling factor, according to:
- *
- * scaling = min(1000 * (QUOT(corner_N) - QUOT(corner_N-1))
- * / (freq(corner_N) - freq(corner_N-1)), max_factor)
- *
- * QUOT(corner_N): quotient read from fuse for fuse corner N
- * QUOT(corner_N-1): quotient read from fuse for fuse corner (N - 1)
- * freq(corner_N): max frequency in MHz supported by fuse corner N
- * freq(corner_N-1): max frequency in MHz supported by fuse corner
- * (N - 1)
- *
- * Then walk through the corners mapped to each fuse corner
- * and calculate the quotient adjustment for each one using the
- * following formula:
- *
- * quot_adjust = (freq_max - freq_corner) * scaling / 1000
- *
- * freq_max: max frequency in MHz supported by the fuse corner
- * freq_corner: frequency in MHz corresponding to the corner
- * scaling: calculated from above equation
- *
- *
- * + +
- * | v |
- * q | f c o | f c
- * u | c l | c
- * o | f t | f
- * t | c a | c
- * | c f g | c f
- * | e |
- * +--------------- +----------------
- * 0 1 2 3 4 5 6 0 1 2 3 4 5 6
- * corner corner
- *
- * c = corner
- * f = fuse corner
- *
- */
- for (apply_scaling = false, i = 0; corner <= end; corner++, i++) {
- fnum = cdata[i].fuse_corner;
- fdata = &desc->cpr_fuses.fuse_corner_data[fnum];
- quot_offset = fuses[fnum].quotient_offset;
- fuse = &drv->fuse_corners[fnum];
- if (fnum)
- prev_fuse = &drv->fuse_corners[fnum - 1];
- else
- prev_fuse = NULL;
-
- corner->fuse_corner = fuse;
- corner->freq = cdata[i].freq;
- corner->uV = fuse->uV;
-
- if (prev_fuse && cdata[i - 1].freq == prev_fuse->max_freq) {
- scaling = cpr_calculate_scaling(quot_offset, drv,
- fdata, corner);
- if (scaling < 0)
- return scaling;
-
- apply_scaling = true;
- } else if (corner->freq == fuse->max_freq) {
- /* This is a fuse corner; don't scale anything */
- apply_scaling = false;
- }
-
- if (apply_scaling) {
- freq_diff = fuse->max_freq - corner->freq;
- freq_diff_mhz = freq_diff / 1000000;
- corner->quot_adjust = scaling * freq_diff_mhz / 1000;
-
- corner->uV = cpr_interpolate(corner, step_volt, fdata);
- }
-
- corner->max_uV = fuse->max_uV;
- corner->min_uV = fuse->min_uV;
- corner->uV = clamp(corner->uV, corner->min_uV, corner->max_uV);
- corner->last_uV = corner->uV;
-
- /* Reduce the ceiling voltage if needed */
- if (desc->reduce_to_corner_uV && corner->uV < corner->max_uV)
- corner->max_uV = corner->uV;
- else if (desc->reduce_to_fuse_uV && fuse->uV < corner->max_uV)
- corner->max_uV = max(corner->min_uV, fuse->uV);
-
- dev_dbg(drv->dev, "corner %d: [%d %d %d] quot %d\n", i,
- corner->min_uV, corner->uV, corner->max_uV,
- fuse->quot - corner->quot_adjust);
- }
-
- return 0;
-}
-
-static const struct cpr_fuse *cpr_get_fuses(struct cpr_drv *drv)
-{
- const struct cpr_desc *desc = drv->desc;
- struct cpr_fuse *fuses;
- int i;
-
- fuses = devm_kcalloc(drv->dev, desc->num_fuse_corners,
- sizeof(struct cpr_fuse),
- GFP_KERNEL);
- if (!fuses)
- return ERR_PTR(-ENOMEM);
-
- for (i = 0; i < desc->num_fuse_corners; i++) {
- char tbuf[32];
-
- snprintf(tbuf, 32, "cpr_ring_osc%d", i + 1);
- fuses[i].ring_osc = devm_kstrdup(drv->dev, tbuf, GFP_KERNEL);
- if (!fuses[i].ring_osc)
- return ERR_PTR(-ENOMEM);
-
- snprintf(tbuf, 32, "cpr_init_voltage%d", i + 1);
- fuses[i].init_voltage = devm_kstrdup(drv->dev, tbuf,
- GFP_KERNEL);
- if (!fuses[i].init_voltage)
- return ERR_PTR(-ENOMEM);
-
- snprintf(tbuf, 32, "cpr_quotient%d", i + 1);
- fuses[i].quotient = devm_kstrdup(drv->dev, tbuf, GFP_KERNEL);
- if (!fuses[i].quotient)
- return ERR_PTR(-ENOMEM);
-
- snprintf(tbuf, 32, "cpr_quotient_offset%d", i + 1);
- fuses[i].quotient_offset = devm_kstrdup(drv->dev, tbuf,
- GFP_KERNEL);
- if (!fuses[i].quotient_offset)
- return ERR_PTR(-ENOMEM);
- }
-
- return fuses;
-}
-
-static void cpr_set_loop_allowed(struct cpr_drv *drv)
-{
- drv->loop_disabled = false;
-}
-
-static int cpr_init_parameters(struct cpr_drv *drv)
-{
- const struct cpr_desc *desc = drv->desc;
- struct clk *clk;
-
- clk = clk_get(drv->dev, "ref");
- if (IS_ERR(clk))
- return PTR_ERR(clk);
-
- drv->ref_clk_khz = clk_get_rate(clk) / 1000;
- clk_put(clk);
-
- if (desc->timer_cons_up > RBIF_TIMER_ADJ_CONS_UP_MASK ||
- desc->timer_cons_down > RBIF_TIMER_ADJ_CONS_DOWN_MASK ||
- desc->up_threshold > RBCPR_CTL_UP_THRESHOLD_MASK ||
- desc->down_threshold > RBCPR_CTL_DN_THRESHOLD_MASK ||
- desc->idle_clocks > RBCPR_STEP_QUOT_IDLE_CLK_MASK ||
- desc->clamp_timer_interval > RBIF_TIMER_ADJ_CLAMP_INT_MASK)
- return -EINVAL;
-
- dev_dbg(drv->dev, "up threshold = %u, down threshold = %u\n",
- desc->up_threshold, desc->down_threshold);
-
- return 0;
-}
-
-static int cpr_find_initial_corner(struct cpr_drv *drv)
-{
- unsigned long rate;
- const struct corner *end;
- struct corner *iter;
- unsigned int i = 0;
-
- if (!drv->cpu_clk) {
- dev_err(drv->dev, "cannot get rate from NULL clk\n");
- return -EINVAL;
- }
-
- end = &drv->corners[drv->num_corners - 1];
- rate = clk_get_rate(drv->cpu_clk);
-
- /*
- * Some bootloaders set a CPU clock frequency that is not defined
- * in the OPP table. When running at an unlisted frequency,
- * cpufreq_online() will change to the OPP which has the lowest
- * frequency, at or above the unlisted frequency.
- * Since cpufreq_online() always "rounds up" in the case of an
- * unlisted frequency, this function always "rounds down" in case
- * of an unlisted frequency. That way, when cpufreq_online()
- * triggers the first ever call to cpr_set_performance_state(),
- * it will correctly determine the direction as UP.
- */
- for (iter = drv->corners; iter <= end; iter++) {
- if (iter->freq > rate)
- break;
- i++;
- if (iter->freq == rate) {
- drv->corner = iter;
- break;
- }
- if (iter->freq < rate)
- drv->corner = iter;
- }
-
- if (!drv->corner) {
- dev_err(drv->dev, "boot up corner not found\n");
- return -EINVAL;
- }
-
- dev_dbg(drv->dev, "boot up perf state: %u\n", i);
-
- return 0;
-}
-
-static const struct cpr_desc qcs404_cpr_desc = {
- .num_fuse_corners = 3,
- .min_diff_quot = CPR_FUSE_MIN_QUOT_DIFF,
- .step_quot = (int []){ 25, 25, 25, },
- .timer_delay_us = 5000,
- .timer_cons_up = 0,
- .timer_cons_down = 2,
- .up_threshold = 1,
- .down_threshold = 3,
- .idle_clocks = 15,
- .gcnt_us = 1,
- .vdd_apc_step_up_limit = 1,
- .vdd_apc_step_down_limit = 1,
- .cpr_fuses = {
- .init_voltage_step = 8000,
- .init_voltage_width = 6,
- .fuse_corner_data = (struct fuse_corner_data[]){
- /* fuse corner 0 */
- {
- .ref_uV = 1224000,
- .max_uV = 1224000,
- .min_uV = 1048000,
- .max_volt_scale = 0,
- .max_quot_scale = 0,
- .quot_offset = 0,
- .quot_scale = 1,
- .quot_adjust = 0,
- .quot_offset_scale = 5,
- .quot_offset_adjust = 0,
- },
- /* fuse corner 1 */
- {
- .ref_uV = 1288000,
- .max_uV = 1288000,
- .min_uV = 1048000,
- .max_volt_scale = 2000,
- .max_quot_scale = 1400,
- .quot_offset = 0,
- .quot_scale = 1,
- .quot_adjust = -20,
- .quot_offset_scale = 5,
- .quot_offset_adjust = 0,
- },
- /* fuse corner 2 */
- {
- .ref_uV = 1352000,
- .max_uV = 1384000,
- .min_uV = 1088000,
- .max_volt_scale = 2000,
- .max_quot_scale = 1400,
- .quot_offset = 0,
- .quot_scale = 1,
- .quot_adjust = 0,
- .quot_offset_scale = 5,
- .quot_offset_adjust = 0,
- },
- },
- },
-};
-
-static const struct acc_desc qcs404_acc_desc = {
- .settings = (struct reg_sequence[]){
- { 0xb120, 0x1041040 },
- { 0xb124, 0x41 },
- { 0xb120, 0x0 },
- { 0xb124, 0x0 },
- { 0xb120, 0x0 },
- { 0xb124, 0x0 },
- },
- .config = (struct reg_sequence[]){
- { 0xb138, 0xff },
- { 0xb130, 0x5555 },
- },
- .num_regs_per_fuse = 2,
-};
-
-static const struct cpr_acc_desc qcs404_cpr_acc_desc = {
- .cpr_desc = &qcs404_cpr_desc,
- .acc_desc = &qcs404_acc_desc,
-};
-
-static unsigned int cpr_get_performance_state(struct generic_pm_domain *genpd,
- struct dev_pm_opp *opp)
-{
- return dev_pm_opp_get_level(opp);
-}
-
-static int cpr_power_off(struct generic_pm_domain *domain)
-{
- struct cpr_drv *drv = container_of(domain, struct cpr_drv, pd);
-
- return cpr_disable(drv);
-}
-
-static int cpr_power_on(struct generic_pm_domain *domain)
-{
- struct cpr_drv *drv = container_of(domain, struct cpr_drv, pd);
-
- return cpr_enable(drv);
-}
-
-static int cpr_pd_attach_dev(struct generic_pm_domain *domain,
- struct device *dev)
-{
- struct cpr_drv *drv = container_of(domain, struct cpr_drv, pd);
- const struct acc_desc *acc_desc = drv->acc_desc;
- int ret = 0;
-
- mutex_lock(&drv->lock);
-
- dev_dbg(drv->dev, "attach callback for: %s\n", dev_name(dev));
-
- /*
- * This driver only supports scaling voltage for a CPU cluster
- * where all CPUs in the cluster share a single regulator.
- * Therefore, save the struct device pointer only for the first
- * CPU device that gets attached. There is no need to do any
- * additional initialization when further CPUs get attached.
- */
- if (drv->attached_cpu_dev)
- goto unlock;
-
- /*
- * cpr_scale_voltage() requires the direction (if we are changing
- * to a higher or lower OPP). The first time
- * cpr_set_performance_state() is called, there is no previous
- * performance state defined. Therefore, we call
- * cpr_find_initial_corner() that gets the CPU clock frequency
- * set by the bootloader, so that we can determine the direction
- * the first time cpr_set_performance_state() is called.
- */
- drv->cpu_clk = devm_clk_get(dev, NULL);
- if (IS_ERR(drv->cpu_clk)) {
- ret = PTR_ERR(drv->cpu_clk);
- if (ret != -EPROBE_DEFER)
- dev_err(drv->dev, "could not get cpu clk: %d\n", ret);
- goto unlock;
- }
- drv->attached_cpu_dev = dev;
-
- dev_dbg(drv->dev, "using cpu clk from: %s\n",
- dev_name(drv->attached_cpu_dev));
-
- /*
- * Everything related to (virtual) corners has to be initialized
- * here, when attaching to the power domain, since we need to know
- * the maximum frequency for each fuse corner, and this is only
- * available after the cpufreq driver has attached to us.
- * The reason for this is that we need to know the highest
- * frequency associated with each fuse corner.
- */
- ret = dev_pm_opp_get_opp_count(&drv->pd.dev);
- if (ret < 0) {
- dev_err(drv->dev, "could not get OPP count\n");
- goto unlock;
- }
- drv->num_corners = ret;
-
- if (drv->num_corners < 2) {
- dev_err(drv->dev, "need at least 2 OPPs to use CPR\n");
- ret = -EINVAL;
- goto unlock;
- }
-
- drv->corners = devm_kcalloc(drv->dev, drv->num_corners,
- sizeof(*drv->corners),
- GFP_KERNEL);
- if (!drv->corners) {
- ret = -ENOMEM;
- goto unlock;
- }
-
- ret = cpr_corner_init(drv);
- if (ret)
- goto unlock;
-
- cpr_set_loop_allowed(drv);
-
- ret = cpr_init_parameters(drv);
- if (ret)
- goto unlock;
-
- /* Configure CPR HW but keep it disabled */
- ret = cpr_config(drv);
- if (ret)
- goto unlock;
-
- ret = cpr_find_initial_corner(drv);
- if (ret)
- goto unlock;
-
- if (acc_desc->config)
- regmap_multi_reg_write(drv->tcsr, acc_desc->config,
- acc_desc->num_regs_per_fuse);
-
- /* Enable ACC if required */
- if (acc_desc->enable_mask)
- regmap_update_bits(drv->tcsr, acc_desc->enable_reg,
- acc_desc->enable_mask,
- acc_desc->enable_mask);
-
- dev_info(drv->dev, "driver initialized with %u OPPs\n",
- drv->num_corners);
-
-unlock:
- mutex_unlock(&drv->lock);
-
- return ret;
-}
-
-static int cpr_debug_info_show(struct seq_file *s, void *unused)
-{
- u32 gcnt, ro_sel, ctl, irq_status, reg, error_steps;
- u32 step_dn, step_up, error, error_lt0, busy;
- struct cpr_drv *drv = s->private;
- struct fuse_corner *fuse_corner;
- struct corner *corner;
-
- corner = drv->corner;
- fuse_corner = corner->fuse_corner;
-
- seq_printf(s, "corner, current_volt = %d uV\n",
- corner->last_uV);
-
- ro_sel = fuse_corner->ring_osc_idx;
- gcnt = cpr_read(drv, REG_RBCPR_GCNT_TARGET(ro_sel));
- seq_printf(s, "rbcpr_gcnt_target (%u) = %#02X\n", ro_sel, gcnt);
-
- ctl = cpr_read(drv, REG_RBCPR_CTL);
- seq_printf(s, "rbcpr_ctl = %#02X\n", ctl);
-
- irq_status = cpr_read(drv, REG_RBIF_IRQ_STATUS);
- seq_printf(s, "rbcpr_irq_status = %#02X\n", irq_status);
-
- reg = cpr_read(drv, REG_RBCPR_RESULT_0);
- seq_printf(s, "rbcpr_result_0 = %#02X\n", reg);
-
- step_dn = reg & 0x01;
- step_up = (reg >> RBCPR_RESULT0_STEP_UP_SHIFT) & 0x01;
- seq_printf(s, " [step_dn = %u", step_dn);
-
- seq_printf(s, ", step_up = %u", step_up);
-
- error_steps = (reg >> RBCPR_RESULT0_ERROR_STEPS_SHIFT)
- & RBCPR_RESULT0_ERROR_STEPS_MASK;
- seq_printf(s, ", error_steps = %u", error_steps);
-
- error = (reg >> RBCPR_RESULT0_ERROR_SHIFT) & RBCPR_RESULT0_ERROR_MASK;
- seq_printf(s, ", error = %u", error);
-
- error_lt0 = (reg >> RBCPR_RESULT0_ERROR_LT0_SHIFT) & 0x01;
- seq_printf(s, ", error_lt_0 = %u", error_lt0);
-
- busy = (reg >> RBCPR_RESULT0_BUSY_SHIFT) & 0x01;
- seq_printf(s, ", busy = %u]\n", busy);
-
- return 0;
-}
-DEFINE_SHOW_ATTRIBUTE(cpr_debug_info);
-
-static void cpr_debugfs_init(struct cpr_drv *drv)
-{
- drv->debugfs = debugfs_create_dir("qcom_cpr", NULL);
-
- debugfs_create_file("debug_info", 0444, drv->debugfs,
- drv, &cpr_debug_info_fops);
-}
-
-static int cpr_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct cpr_drv *drv;
- int irq, ret;
- const struct cpr_acc_desc *data;
- struct device_node *np;
- u32 cpr_rev = FUSE_REVISION_UNKNOWN;
-
- data = of_device_get_match_data(dev);
- if (!data || !data->cpr_desc || !data->acc_desc)
- return -EINVAL;
-
- drv = devm_kzalloc(dev, sizeof(*drv), GFP_KERNEL);
- if (!drv)
- return -ENOMEM;
- drv->dev = dev;
- drv->desc = data->cpr_desc;
- drv->acc_desc = data->acc_desc;
-
- drv->fuse_corners = devm_kcalloc(dev, drv->desc->num_fuse_corners,
- sizeof(*drv->fuse_corners),
- GFP_KERNEL);
- if (!drv->fuse_corners)
- return -ENOMEM;
-
- np = of_parse_phandle(dev->of_node, "acc-syscon", 0);
- if (!np)
- return -ENODEV;
-
- drv->tcsr = syscon_node_to_regmap(np);
- of_node_put(np);
- if (IS_ERR(drv->tcsr))
- return PTR_ERR(drv->tcsr);
-
- drv->base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(drv->base))
- return PTR_ERR(drv->base);
-
- irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return -EINVAL;
-
- drv->vdd_apc = devm_regulator_get(dev, "vdd-apc");
- if (IS_ERR(drv->vdd_apc))
- return PTR_ERR(drv->vdd_apc);
-
- /*
- * Initialize fuse corners, since it simply depends
- * on data in efuses.
- * Everything related to (virtual) corners has to be
- * initialized after attaching to the power domain,
- * since it depends on the CPU's OPP table.
- */
- ret = nvmem_cell_read_variable_le_u32(dev, "cpr_fuse_revision", &cpr_rev);
- if (ret)
- return ret;
-
- drv->cpr_fuses = cpr_get_fuses(drv);
- if (IS_ERR(drv->cpr_fuses))
- return PTR_ERR(drv->cpr_fuses);
-
- ret = cpr_populate_ring_osc_idx(drv);
- if (ret)
- return ret;
-
- ret = cpr_fuse_corner_init(drv);
- if (ret)
- return ret;
-
- mutex_init(&drv->lock);
-
- ret = devm_request_threaded_irq(dev, irq, NULL,
- cpr_irq_handler,
- IRQF_ONESHOT | IRQF_TRIGGER_RISING,
- "cpr", drv);
- if (ret)
- return ret;
-
- drv->pd.name = devm_kstrdup_const(dev, dev->of_node->full_name,
- GFP_KERNEL);
- if (!drv->pd.name)
- return -EINVAL;
-
- drv->pd.power_off = cpr_power_off;
- drv->pd.power_on = cpr_power_on;
- drv->pd.set_performance_state = cpr_set_performance_state;
- drv->pd.opp_to_performance_state = cpr_get_performance_state;
- drv->pd.attach_dev = cpr_pd_attach_dev;
-
- ret = pm_genpd_init(&drv->pd, NULL, true);
- if (ret)
- return ret;
-
- ret = of_genpd_add_provider_simple(dev->of_node, &drv->pd);
- if (ret)
- goto err_remove_genpd;
-
- platform_set_drvdata(pdev, drv);
- cpr_debugfs_init(drv);
-
- return 0;
-
-err_remove_genpd:
- pm_genpd_remove(&drv->pd);
- return ret;
-}
-
-static int cpr_remove(struct platform_device *pdev)
-{
- struct cpr_drv *drv = platform_get_drvdata(pdev);
-
- if (cpr_is_allowed(drv)) {
- cpr_ctl_disable(drv);
- cpr_irq_set(drv, 0);
- }
-
- of_genpd_del_provider(pdev->dev.of_node);
- pm_genpd_remove(&drv->pd);
-
- debugfs_remove_recursive(drv->debugfs);
-
- return 0;
-}
-
-static const struct of_device_id cpr_match_table[] = {
- { .compatible = "qcom,qcs404-cpr", .data = &qcs404_cpr_acc_desc },
- { }
-};
-MODULE_DEVICE_TABLE(of, cpr_match_table);
-
-static struct platform_driver cpr_driver = {
- .probe = cpr_probe,
- .remove = cpr_remove,
- .driver = {
- .name = "qcom-cpr",
- .of_match_table = cpr_match_table,
- },
-};
-module_platform_driver(cpr_driver);
-
-MODULE_DESCRIPTION("Core Power Reduction (CPR) driver");
-MODULE_LICENSE("GPL v2");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (c) 2018, The Linux Foundation. All rights reserved.*/
-
-#include <linux/err.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/mutex.h>
-#include <linux/pm_domain.h>
-#include <linux/slab.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/pm_opp.h>
-#include <soc/qcom/cmd-db.h>
-#include <soc/qcom/rpmh.h>
-#include <dt-bindings/power/qcom-rpmpd.h>
-#include <dt-bindings/power/qcom,rpmhpd.h>
-
-#define domain_to_rpmhpd(domain) container_of(domain, struct rpmhpd, pd)
-
-#define RPMH_ARC_MAX_LEVELS 16
-
-/**
- * struct rpmhpd - top level RPMh power domain resource data structure
- * @dev: rpmh power domain controller device
- * @pd: generic_pm_domain corresponding to the power domain
- * @parent: generic_pm_domain corresponding to the parent's power domain
- * @peer: A peer power domain in case Active only Voting is
- * supported
- * @active_only: True if it represents an Active only peer
- * @corner: current corner
- * @active_corner: current active corner
- * @enable_corner: lowest non-zero corner
- * @level: An array of level (vlvl) to corner (hlvl) mappings
- * derived from cmd-db
- * @level_count: Number of levels supported by the power domain. max
- * being 16 (0 - 15)
- * @enabled: true if the power domain is enabled
- * @res_name: Resource name used for cmd-db lookup
- * @addr: Resource address as looped up using resource name from
- * cmd-db
- * @state_synced: Indicator that sync_state has been invoked for the rpmhpd resource
- */
-struct rpmhpd {
- struct device *dev;
- struct generic_pm_domain pd;
- struct generic_pm_domain *parent;
- struct rpmhpd *peer;
- const bool active_only;
- unsigned int corner;
- unsigned int active_corner;
- unsigned int enable_corner;
- u32 level[RPMH_ARC_MAX_LEVELS];
- size_t level_count;
- bool enabled;
- const char *res_name;
- u32 addr;
- bool state_synced;
-};
-
-struct rpmhpd_desc {
- struct rpmhpd **rpmhpds;
- size_t num_pds;
-};
-
-static DEFINE_MUTEX(rpmhpd_lock);
-
-/* RPMH powerdomains */
-
-static struct rpmhpd cx_ao;
-static struct rpmhpd mx;
-static struct rpmhpd mx_ao;
-static struct rpmhpd cx = {
- .pd = { .name = "cx", },
- .peer = &cx_ao,
- .res_name = "cx.lvl",
-};
-
-static struct rpmhpd cx_ao = {
- .pd = { .name = "cx_ao", },
- .active_only = true,
- .peer = &cx,
- .res_name = "cx.lvl",
-};
-
-static struct rpmhpd cx_ao_w_mx_parent;
-static struct rpmhpd cx_w_mx_parent = {
- .pd = { .name = "cx", },
- .peer = &cx_ao_w_mx_parent,
- .parent = &mx.pd,
- .res_name = "cx.lvl",
-};
-
-static struct rpmhpd cx_ao_w_mx_parent = {
- .pd = { .name = "cx_ao", },
- .active_only = true,
- .peer = &cx_w_mx_parent,
- .parent = &mx_ao.pd,
- .res_name = "cx.lvl",
-};
-
-static struct rpmhpd ebi = {
- .pd = { .name = "ebi", },
- .res_name = "ebi.lvl",
-};
-
-static struct rpmhpd gfx = {
- .pd = { .name = "gfx", },
- .res_name = "gfx.lvl",
-};
-
-static struct rpmhpd lcx = {
- .pd = { .name = "lcx", },
- .res_name = "lcx.lvl",
-};
-
-static struct rpmhpd lmx = {
- .pd = { .name = "lmx", },
- .res_name = "lmx.lvl",
-};
-
-static struct rpmhpd mmcx_ao;
-static struct rpmhpd mmcx = {
- .pd = { .name = "mmcx", },
- .peer = &mmcx_ao,
- .res_name = "mmcx.lvl",
-};
-
-static struct rpmhpd mmcx_ao = {
- .pd = { .name = "mmcx_ao", },
- .active_only = true,
- .peer = &mmcx,
- .res_name = "mmcx.lvl",
-};
-
-static struct rpmhpd mmcx_ao_w_cx_parent;
-static struct rpmhpd mmcx_w_cx_parent = {
- .pd = { .name = "mmcx", },
- .peer = &mmcx_ao_w_cx_parent,
- .parent = &cx.pd,
- .res_name = "mmcx.lvl",
-};
-
-static struct rpmhpd mmcx_ao_w_cx_parent = {
- .pd = { .name = "mmcx_ao", },
- .active_only = true,
- .peer = &mmcx_w_cx_parent,
- .parent = &cx_ao.pd,
- .res_name = "mmcx.lvl",
-};
-
-static struct rpmhpd mss = {
- .pd = { .name = "mss", },
- .res_name = "mss.lvl",
-};
-
-static struct rpmhpd mx_ao;
-static struct rpmhpd mx = {
- .pd = { .name = "mx", },
- .peer = &mx_ao,
- .res_name = "mx.lvl",
-};
-
-static struct rpmhpd mx_ao = {
- .pd = { .name = "mx_ao", },
- .active_only = true,
- .peer = &mx,
- .res_name = "mx.lvl",
-};
-
-static struct rpmhpd mxc_ao;
-static struct rpmhpd mxc = {
- .pd = { .name = "mxc", },
- .peer = &mxc_ao,
- .res_name = "mxc.lvl",
-};
-
-static struct rpmhpd mxc_ao = {
- .pd = { .name = "mxc_ao", },
- .active_only = true,
- .peer = &mxc,
- .res_name = "mxc.lvl",
-};
-
-static struct rpmhpd nsp = {
- .pd = { .name = "nsp", },
- .res_name = "nsp.lvl",
-};
-
-static struct rpmhpd nsp0 = {
- .pd = { .name = "nsp0", },
- .res_name = "nsp0.lvl",
-};
-
-static struct rpmhpd nsp1 = {
- .pd = { .name = "nsp1", },
- .res_name = "nsp1.lvl",
-};
-
-static struct rpmhpd qphy = {
- .pd = { .name = "qphy", },
- .res_name = "qphy.lvl",
-};
-
-/* SA8540P RPMH powerdomains */
-static struct rpmhpd *sa8540p_rpmhpds[] = {
- [SC8280XP_CX] = &cx,
- [SC8280XP_CX_AO] = &cx_ao,
- [SC8280XP_EBI] = &ebi,
- [SC8280XP_GFX] = &gfx,
- [SC8280XP_LCX] = &lcx,
- [SC8280XP_LMX] = &lmx,
- [SC8280XP_MMCX] = &mmcx,
- [SC8280XP_MMCX_AO] = &mmcx_ao,
- [SC8280XP_MX] = &mx,
- [SC8280XP_MX_AO] = &mx_ao,
- [SC8280XP_NSP] = &nsp,
-};
-
-static const struct rpmhpd_desc sa8540p_desc = {
- .rpmhpds = sa8540p_rpmhpds,
- .num_pds = ARRAY_SIZE(sa8540p_rpmhpds),
-};
-
-/* SA8775P RPMH power domains */
-static struct rpmhpd *sa8775p_rpmhpds[] = {
- [SA8775P_CX] = &cx,
- [SA8775P_CX_AO] = &cx_ao,
- [SA8775P_EBI] = &ebi,
- [SA8775P_GFX] = &gfx,
- [SA8775P_LCX] = &lcx,
- [SA8775P_LMX] = &lmx,
- [SA8775P_MMCX] = &mmcx,
- [SA8775P_MMCX_AO] = &mmcx_ao,
- [SA8775P_MXC] = &mxc,
- [SA8775P_MXC_AO] = &mxc_ao,
- [SA8775P_MX] = &mx,
- [SA8775P_MX_AO] = &mx_ao,
- [SA8775P_NSP0] = &nsp0,
- [SA8775P_NSP1] = &nsp1,
-};
-
-static const struct rpmhpd_desc sa8775p_desc = {
- .rpmhpds = sa8775p_rpmhpds,
- .num_pds = ARRAY_SIZE(sa8775p_rpmhpds),
-};
-
-/* SDM670 RPMH powerdomains */
-static struct rpmhpd *sdm670_rpmhpds[] = {
- [SDM670_CX] = &cx_w_mx_parent,
- [SDM670_CX_AO] = &cx_ao_w_mx_parent,
- [SDM670_GFX] = &gfx,
- [SDM670_LCX] = &lcx,
- [SDM670_LMX] = &lmx,
- [SDM670_MSS] = &mss,
- [SDM670_MX] = &mx,
- [SDM670_MX_AO] = &mx_ao,
-};
-
-static const struct rpmhpd_desc sdm670_desc = {
- .rpmhpds = sdm670_rpmhpds,
- .num_pds = ARRAY_SIZE(sdm670_rpmhpds),
-};
-
-/* SDM845 RPMH powerdomains */
-static struct rpmhpd *sdm845_rpmhpds[] = {
- [SDM845_CX] = &cx_w_mx_parent,
- [SDM845_CX_AO] = &cx_ao_w_mx_parent,
- [SDM845_EBI] = &ebi,
- [SDM845_GFX] = &gfx,
- [SDM845_LCX] = &lcx,
- [SDM845_LMX] = &lmx,
- [SDM845_MSS] = &mss,
- [SDM845_MX] = &mx,
- [SDM845_MX_AO] = &mx_ao,
-};
-
-static const struct rpmhpd_desc sdm845_desc = {
- .rpmhpds = sdm845_rpmhpds,
- .num_pds = ARRAY_SIZE(sdm845_rpmhpds),
-};
-
-/* SDX55 RPMH powerdomains */
-static struct rpmhpd *sdx55_rpmhpds[] = {
- [SDX55_CX] = &cx_w_mx_parent,
- [SDX55_MSS] = &mss,
- [SDX55_MX] = &mx,
-};
-
-static const struct rpmhpd_desc sdx55_desc = {
- .rpmhpds = sdx55_rpmhpds,
- .num_pds = ARRAY_SIZE(sdx55_rpmhpds),
-};
-
-/* SDX65 RPMH powerdomains */
-static struct rpmhpd *sdx65_rpmhpds[] = {
- [SDX65_CX] = &cx_w_mx_parent,
- [SDX65_CX_AO] = &cx_ao_w_mx_parent,
- [SDX65_MSS] = &mss,
- [SDX65_MX] = &mx,
- [SDX65_MX_AO] = &mx_ao,
- [SDX65_MXC] = &mxc,
-};
-
-static const struct rpmhpd_desc sdx65_desc = {
- .rpmhpds = sdx65_rpmhpds,
- .num_pds = ARRAY_SIZE(sdx65_rpmhpds),
-};
-
-/* SDX75 RPMH powerdomains */
-static struct rpmhpd *sdx75_rpmhpds[] = {
- [RPMHPD_CX] = &cx,
- [RPMHPD_CX_AO] = &cx_ao,
- [RPMHPD_MSS] = &mss,
- [RPMHPD_MX] = &mx,
- [RPMHPD_MX_AO] = &mx_ao,
- [RPMHPD_MXC] = &mxc,
-};
-
-static const struct rpmhpd_desc sdx75_desc = {
- .rpmhpds = sdx75_rpmhpds,
- .num_pds = ARRAY_SIZE(sdx75_rpmhpds),
-};
-
-/* SM6350 RPMH powerdomains */
-static struct rpmhpd *sm6350_rpmhpds[] = {
- [SM6350_CX] = &cx_w_mx_parent,
- [SM6350_GFX] = &gfx,
- [SM6350_LCX] = &lcx,
- [SM6350_LMX] = &lmx,
- [SM6350_MSS] = &mss,
- [SM6350_MX] = &mx,
-};
-
-static const struct rpmhpd_desc sm6350_desc = {
- .rpmhpds = sm6350_rpmhpds,
- .num_pds = ARRAY_SIZE(sm6350_rpmhpds),
-};
-
-/* SM8150 RPMH powerdomains */
-static struct rpmhpd *sm8150_rpmhpds[] = {
- [SM8150_CX] = &cx_w_mx_parent,
- [SM8150_CX_AO] = &cx_ao_w_mx_parent,
- [SM8150_EBI] = &ebi,
- [SM8150_GFX] = &gfx,
- [SM8150_LCX] = &lcx,
- [SM8150_LMX] = &lmx,
- [SM8150_MMCX] = &mmcx,
- [SM8150_MMCX_AO] = &mmcx_ao,
- [SM8150_MSS] = &mss,
- [SM8150_MX] = &mx,
- [SM8150_MX_AO] = &mx_ao,
-};
-
-static const struct rpmhpd_desc sm8150_desc = {
- .rpmhpds = sm8150_rpmhpds,
- .num_pds = ARRAY_SIZE(sm8150_rpmhpds),
-};
-
-static struct rpmhpd *sa8155p_rpmhpds[] = {
- [SA8155P_CX] = &cx_w_mx_parent,
- [SA8155P_CX_AO] = &cx_ao_w_mx_parent,
- [SA8155P_EBI] = &ebi,
- [SA8155P_GFX] = &gfx,
- [SA8155P_MSS] = &mss,
- [SA8155P_MX] = &mx,
- [SA8155P_MX_AO] = &mx_ao,
-};
-
-static const struct rpmhpd_desc sa8155p_desc = {
- .rpmhpds = sa8155p_rpmhpds,
- .num_pds = ARRAY_SIZE(sa8155p_rpmhpds),
-};
-
-/* SM8250 RPMH powerdomains */
-static struct rpmhpd *sm8250_rpmhpds[] = {
- [RPMHPD_CX] = &cx_w_mx_parent,
- [RPMHPD_CX_AO] = &cx_ao_w_mx_parent,
- [RPMHPD_EBI] = &ebi,
- [RPMHPD_GFX] = &gfx,
- [RPMHPD_LCX] = &lcx,
- [RPMHPD_LMX] = &lmx,
- [RPMHPD_MMCX] = &mmcx,
- [RPMHPD_MMCX_AO] = &mmcx_ao,
- [RPMHPD_MX] = &mx,
- [RPMHPD_MX_AO] = &mx_ao,
-};
-
-static const struct rpmhpd_desc sm8250_desc = {
- .rpmhpds = sm8250_rpmhpds,
- .num_pds = ARRAY_SIZE(sm8250_rpmhpds),
-};
-
-/* SM8350 Power domains */
-static struct rpmhpd *sm8350_rpmhpds[] = {
- [RPMHPD_CX] = &cx_w_mx_parent,
- [RPMHPD_CX_AO] = &cx_ao_w_mx_parent,
- [RPMHPD_EBI] = &ebi,
- [RPMHPD_GFX] = &gfx,
- [RPMHPD_LCX] = &lcx,
- [RPMHPD_LMX] = &lmx,
- [RPMHPD_MMCX] = &mmcx,
- [RPMHPD_MMCX_AO] = &mmcx_ao,
- [RPMHPD_MSS] = &mss,
- [RPMHPD_MX] = &mx,
- [RPMHPD_MX_AO] = &mx_ao,
- [RPMHPD_MXC] = &mxc,
- [RPMHPD_MXC_AO] = &mxc_ao,
-};
-
-static const struct rpmhpd_desc sm8350_desc = {
- .rpmhpds = sm8350_rpmhpds,
- .num_pds = ARRAY_SIZE(sm8350_rpmhpds),
-};
-
-/* SM8450 RPMH powerdomains */
-static struct rpmhpd *sm8450_rpmhpds[] = {
- [RPMHPD_CX] = &cx,
- [RPMHPD_CX_AO] = &cx_ao,
- [RPMHPD_EBI] = &ebi,
- [RPMHPD_GFX] = &gfx,
- [RPMHPD_LCX] = &lcx,
- [RPMHPD_LMX] = &lmx,
- [RPMHPD_MMCX] = &mmcx_w_cx_parent,
- [RPMHPD_MMCX_AO] = &mmcx_ao_w_cx_parent,
- [RPMHPD_MSS] = &mss,
- [RPMHPD_MX] = &mx,
- [RPMHPD_MX_AO] = &mx_ao,
- [RPMHPD_MXC] = &mxc,
- [RPMHPD_MXC_AO] = &mxc_ao,
-};
-
-static const struct rpmhpd_desc sm8450_desc = {
- .rpmhpds = sm8450_rpmhpds,
- .num_pds = ARRAY_SIZE(sm8450_rpmhpds),
-};
-
-/* SM8550 RPMH powerdomains */
-static struct rpmhpd *sm8550_rpmhpds[] = {
- [RPMHPD_CX] = &cx,
- [RPMHPD_CX_AO] = &cx_ao,
- [RPMHPD_EBI] = &ebi,
- [RPMHPD_GFX] = &gfx,
- [RPMHPD_LCX] = &lcx,
- [RPMHPD_LMX] = &lmx,
- [RPMHPD_MMCX] = &mmcx_w_cx_parent,
- [RPMHPD_MMCX_AO] = &mmcx_ao_w_cx_parent,
- [RPMHPD_MSS] = &mss,
- [RPMHPD_MX] = &mx,
- [RPMHPD_MX_AO] = &mx_ao,
- [RPMHPD_MXC] = &mxc,
- [RPMHPD_MXC_AO] = &mxc_ao,
- [RPMHPD_NSP] = &nsp,
-};
-
-static const struct rpmhpd_desc sm8550_desc = {
- .rpmhpds = sm8550_rpmhpds,
- .num_pds = ARRAY_SIZE(sm8550_rpmhpds),
-};
-
-/* QDU1000/QRU1000 RPMH powerdomains */
-static struct rpmhpd *qdu1000_rpmhpds[] = {
- [QDU1000_CX] = &cx,
- [QDU1000_EBI] = &ebi,
- [QDU1000_MSS] = &mss,
- [QDU1000_MX] = &mx,
-};
-
-static const struct rpmhpd_desc qdu1000_desc = {
- .rpmhpds = qdu1000_rpmhpds,
- .num_pds = ARRAY_SIZE(qdu1000_rpmhpds),
-};
-
-/* SC7180 RPMH powerdomains */
-static struct rpmhpd *sc7180_rpmhpds[] = {
- [SC7180_CX] = &cx_w_mx_parent,
- [SC7180_CX_AO] = &cx_ao_w_mx_parent,
- [SC7180_GFX] = &gfx,
- [SC7180_LCX] = &lcx,
- [SC7180_LMX] = &lmx,
- [SC7180_MSS] = &mss,
- [SC7180_MX] = &mx,
- [SC7180_MX_AO] = &mx_ao,
-};
-
-static const struct rpmhpd_desc sc7180_desc = {
- .rpmhpds = sc7180_rpmhpds,
- .num_pds = ARRAY_SIZE(sc7180_rpmhpds),
-};
-
-/* SC7280 RPMH powerdomains */
-static struct rpmhpd *sc7280_rpmhpds[] = {
- [SC7280_CX] = &cx,
- [SC7280_CX_AO] = &cx_ao,
- [SC7280_EBI] = &ebi,
- [SC7280_GFX] = &gfx,
- [SC7280_LCX] = &lcx,
- [SC7280_LMX] = &lmx,
- [SC7280_MSS] = &mss,
- [SC7280_MX] = &mx,
- [SC7280_MX_AO] = &mx_ao,
-};
-
-static const struct rpmhpd_desc sc7280_desc = {
- .rpmhpds = sc7280_rpmhpds,
- .num_pds = ARRAY_SIZE(sc7280_rpmhpds),
-};
-
-/* SC8180x RPMH powerdomains */
-static struct rpmhpd *sc8180x_rpmhpds[] = {
- [SC8180X_CX] = &cx_w_mx_parent,
- [SC8180X_CX_AO] = &cx_ao_w_mx_parent,
- [SC8180X_EBI] = &ebi,
- [SC8180X_GFX] = &gfx,
- [SC8180X_LCX] = &lcx,
- [SC8180X_LMX] = &lmx,
- [SC8180X_MMCX] = &mmcx,
- [SC8180X_MMCX_AO] = &mmcx_ao,
- [SC8180X_MSS] = &mss,
- [SC8180X_MX] = &mx,
- [SC8180X_MX_AO] = &mx_ao,
-};
-
-static const struct rpmhpd_desc sc8180x_desc = {
- .rpmhpds = sc8180x_rpmhpds,
- .num_pds = ARRAY_SIZE(sc8180x_rpmhpds),
-};
-
-/* SC8280xp RPMH powerdomains */
-static struct rpmhpd *sc8280xp_rpmhpds[] = {
- [SC8280XP_CX] = &cx,
- [SC8280XP_CX_AO] = &cx_ao,
- [SC8280XP_EBI] = &ebi,
- [SC8280XP_GFX] = &gfx,
- [SC8280XP_LCX] = &lcx,
- [SC8280XP_LMX] = &lmx,
- [SC8280XP_MMCX] = &mmcx,
- [SC8280XP_MMCX_AO] = &mmcx_ao,
- [SC8280XP_MX] = &mx,
- [SC8280XP_MX_AO] = &mx_ao,
- [SC8280XP_NSP] = &nsp,
- [SC8280XP_QPHY] = &qphy,
-};
-
-static const struct rpmhpd_desc sc8280xp_desc = {
- .rpmhpds = sc8280xp_rpmhpds,
- .num_pds = ARRAY_SIZE(sc8280xp_rpmhpds),
-};
-
-static const struct of_device_id rpmhpd_match_table[] = {
- { .compatible = "qcom,qdu1000-rpmhpd", .data = &qdu1000_desc },
- { .compatible = "qcom,sa8155p-rpmhpd", .data = &sa8155p_desc },
- { .compatible = "qcom,sa8540p-rpmhpd", .data = &sa8540p_desc },
- { .compatible = "qcom,sa8775p-rpmhpd", .data = &sa8775p_desc },
- { .compatible = "qcom,sc7180-rpmhpd", .data = &sc7180_desc },
- { .compatible = "qcom,sc7280-rpmhpd", .data = &sc7280_desc },
- { .compatible = "qcom,sc8180x-rpmhpd", .data = &sc8180x_desc },
- { .compatible = "qcom,sc8280xp-rpmhpd", .data = &sc8280xp_desc },
- { .compatible = "qcom,sdm670-rpmhpd", .data = &sdm670_desc },
- { .compatible = "qcom,sdm845-rpmhpd", .data = &sdm845_desc },
- { .compatible = "qcom,sdx55-rpmhpd", .data = &sdx55_desc},
- { .compatible = "qcom,sdx65-rpmhpd", .data = &sdx65_desc},
- { .compatible = "qcom,sdx75-rpmhpd", .data = &sdx75_desc},
- { .compatible = "qcom,sm6350-rpmhpd", .data = &sm6350_desc },
- { .compatible = "qcom,sm8150-rpmhpd", .data = &sm8150_desc },
- { .compatible = "qcom,sm8250-rpmhpd", .data = &sm8250_desc },
- { .compatible = "qcom,sm8350-rpmhpd", .data = &sm8350_desc },
- { .compatible = "qcom,sm8450-rpmhpd", .data = &sm8450_desc },
- { .compatible = "qcom,sm8550-rpmhpd", .data = &sm8550_desc },
- { }
-};
-MODULE_DEVICE_TABLE(of, rpmhpd_match_table);
-
-static int rpmhpd_send_corner(struct rpmhpd *pd, int state,
- unsigned int corner, bool sync)
-{
- struct tcs_cmd cmd = {
- .addr = pd->addr,
- .data = corner,
- };
-
- /*
- * Wait for an ack only when we are increasing the
- * perf state of the power domain
- */
- if (sync)
- return rpmh_write(pd->dev, state, &cmd, 1);
- else
- return rpmh_write_async(pd->dev, state, &cmd, 1);
-}
-
-static void to_active_sleep(struct rpmhpd *pd, unsigned int corner,
- unsigned int *active, unsigned int *sleep)
-{
- *active = corner;
-
- if (pd->active_only)
- *sleep = 0;
- else
- *sleep = *active;
-}
-
-/*
- * This function is used to aggregate the votes across the active only
- * resources and its peers. The aggregated votes are sent to RPMh as
- * ACTIVE_ONLY votes (which take effect immediately), as WAKE_ONLY votes
- * (applied by RPMh on system wakeup) and as SLEEP votes (applied by RPMh
- * on system sleep).
- * We send ACTIVE_ONLY votes for resources without any peers. For others,
- * which have an active only peer, all 3 votes are sent.
- */
-static int rpmhpd_aggregate_corner(struct rpmhpd *pd, unsigned int corner)
-{
- int ret;
- struct rpmhpd *peer = pd->peer;
- unsigned int active_corner, sleep_corner;
- unsigned int this_active_corner = 0, this_sleep_corner = 0;
- unsigned int peer_active_corner = 0, peer_sleep_corner = 0;
-
- if (pd->state_synced) {
- to_active_sleep(pd, corner, &this_active_corner, &this_sleep_corner);
- } else {
- /* Clamp to highest corner if sync_state hasn't happened */
- this_active_corner = pd->level_count - 1;
- this_sleep_corner = pd->level_count - 1;
- }
-
- if (peer && peer->enabled)
- to_active_sleep(peer, peer->corner, &peer_active_corner,
- &peer_sleep_corner);
-
- active_corner = max(this_active_corner, peer_active_corner);
-
- ret = rpmhpd_send_corner(pd, RPMH_ACTIVE_ONLY_STATE, active_corner,
- active_corner > pd->active_corner);
- if (ret)
- return ret;
-
- pd->active_corner = active_corner;
-
- if (peer) {
- peer->active_corner = active_corner;
-
- ret = rpmhpd_send_corner(pd, RPMH_WAKE_ONLY_STATE,
- active_corner, false);
- if (ret)
- return ret;
-
- sleep_corner = max(this_sleep_corner, peer_sleep_corner);
-
- return rpmhpd_send_corner(pd, RPMH_SLEEP_STATE, sleep_corner,
- false);
- }
-
- return ret;
-}
-
-static int rpmhpd_power_on(struct generic_pm_domain *domain)
-{
- struct rpmhpd *pd = domain_to_rpmhpd(domain);
- unsigned int corner;
- int ret;
-
- mutex_lock(&rpmhpd_lock);
-
- corner = max(pd->corner, pd->enable_corner);
- ret = rpmhpd_aggregate_corner(pd, corner);
- if (!ret)
- pd->enabled = true;
-
- mutex_unlock(&rpmhpd_lock);
-
- return ret;
-}
-
-static int rpmhpd_power_off(struct generic_pm_domain *domain)
-{
- struct rpmhpd *pd = domain_to_rpmhpd(domain);
- int ret;
-
- mutex_lock(&rpmhpd_lock);
-
- ret = rpmhpd_aggregate_corner(pd, 0);
- if (!ret)
- pd->enabled = false;
-
- mutex_unlock(&rpmhpd_lock);
-
- return ret;
-}
-
-static int rpmhpd_set_performance_state(struct generic_pm_domain *domain,
- unsigned int level)
-{
- struct rpmhpd *pd = domain_to_rpmhpd(domain);
- int ret = 0, i;
-
- mutex_lock(&rpmhpd_lock);
-
- for (i = 0; i < pd->level_count; i++)
- if (level <= pd->level[i])
- break;
-
- /*
- * If the level requested is more than that supported by the
- * max corner, just set it to max anyway.
- */
- if (i == pd->level_count)
- i--;
-
- if (pd->enabled) {
- /* Ensure that the domain isn't turn off */
- if (i < pd->enable_corner)
- i = pd->enable_corner;
-
- ret = rpmhpd_aggregate_corner(pd, i);
- if (ret)
- goto out;
- }
-
- pd->corner = i;
-out:
- mutex_unlock(&rpmhpd_lock);
-
- return ret;
-}
-
-static unsigned int rpmhpd_get_performance_state(struct generic_pm_domain *genpd,
- struct dev_pm_opp *opp)
-{
- return dev_pm_opp_get_level(opp);
-}
-
-static int rpmhpd_update_level_mapping(struct rpmhpd *rpmhpd)
-{
- int i;
- const u16 *buf;
-
- buf = cmd_db_read_aux_data(rpmhpd->res_name, &rpmhpd->level_count);
- if (IS_ERR(buf))
- return PTR_ERR(buf);
-
- /* 2 bytes used for each command DB aux data entry */
- rpmhpd->level_count >>= 1;
-
- if (rpmhpd->level_count > RPMH_ARC_MAX_LEVELS)
- return -EINVAL;
-
- for (i = 0; i < rpmhpd->level_count; i++) {
- rpmhpd->level[i] = buf[i];
-
- /* Remember the first corner with non-zero level */
- if (!rpmhpd->level[rpmhpd->enable_corner] && rpmhpd->level[i])
- rpmhpd->enable_corner = i;
-
- /*
- * The AUX data may be zero padded. These 0 valued entries at
- * the end of the map must be ignored.
- */
- if (i > 0 && rpmhpd->level[i] == 0) {
- rpmhpd->level_count = i;
- break;
- }
- pr_debug("%s: ARC hlvl=%2d --> vlvl=%4u\n", rpmhpd->res_name, i,
- rpmhpd->level[i]);
- }
-
- return 0;
-}
-
-static int rpmhpd_probe(struct platform_device *pdev)
-{
- int i, ret;
- size_t num_pds;
- struct device *dev = &pdev->dev;
- struct genpd_onecell_data *data;
- struct rpmhpd **rpmhpds;
- const struct rpmhpd_desc *desc;
-
- desc = of_device_get_match_data(dev);
- if (!desc)
- return -EINVAL;
-
- rpmhpds = desc->rpmhpds;
- num_pds = desc->num_pds;
-
- data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
- if (!data)
- return -ENOMEM;
-
- data->domains = devm_kcalloc(dev, num_pds, sizeof(*data->domains),
- GFP_KERNEL);
- if (!data->domains)
- return -ENOMEM;
-
- data->num_domains = num_pds;
-
- for (i = 0; i < num_pds; i++) {
- if (!rpmhpds[i])
- continue;
-
- rpmhpds[i]->dev = dev;
- rpmhpds[i]->addr = cmd_db_read_addr(rpmhpds[i]->res_name);
- if (!rpmhpds[i]->addr) {
- dev_err(dev, "Could not find RPMh address for resource %s\n",
- rpmhpds[i]->res_name);
- return -ENODEV;
- }
-
- ret = cmd_db_read_slave_id(rpmhpds[i]->res_name);
- if (ret != CMD_DB_HW_ARC) {
- dev_err(dev, "RPMh slave ID mismatch\n");
- return -EINVAL;
- }
-
- ret = rpmhpd_update_level_mapping(rpmhpds[i]);
- if (ret)
- return ret;
-
- rpmhpds[i]->pd.power_off = rpmhpd_power_off;
- rpmhpds[i]->pd.power_on = rpmhpd_power_on;
- rpmhpds[i]->pd.set_performance_state = rpmhpd_set_performance_state;
- rpmhpds[i]->pd.opp_to_performance_state = rpmhpd_get_performance_state;
- pm_genpd_init(&rpmhpds[i]->pd, NULL, true);
-
- data->domains[i] = &rpmhpds[i]->pd;
- }
-
- /* Add subdomains */
- for (i = 0; i < num_pds; i++) {
- if (!rpmhpds[i])
- continue;
- if (rpmhpds[i]->parent)
- pm_genpd_add_subdomain(rpmhpds[i]->parent,
- &rpmhpds[i]->pd);
- }
-
- return of_genpd_add_provider_onecell(pdev->dev.of_node, data);
-}
-
-static void rpmhpd_sync_state(struct device *dev)
-{
- const struct rpmhpd_desc *desc = of_device_get_match_data(dev);
- struct rpmhpd **rpmhpds = desc->rpmhpds;
- unsigned int corner;
- struct rpmhpd *pd;
- unsigned int i;
- int ret;
-
- mutex_lock(&rpmhpd_lock);
- for (i = 0; i < desc->num_pds; i++) {
- pd = rpmhpds[i];
- if (!pd)
- continue;
-
- pd->state_synced = true;
- if (pd->enabled)
- corner = max(pd->corner, pd->enable_corner);
- else
- corner = 0;
-
- ret = rpmhpd_aggregate_corner(pd, corner);
- if (ret)
- dev_err(dev, "failed to sync %s\n", pd->res_name);
- }
- mutex_unlock(&rpmhpd_lock);
-}
-
-static struct platform_driver rpmhpd_driver = {
- .driver = {
- .name = "qcom-rpmhpd",
- .of_match_table = rpmhpd_match_table,
- .suppress_bind_attrs = true,
- .sync_state = rpmhpd_sync_state,
- },
- .probe = rpmhpd_probe,
-};
-
-static int __init rpmhpd_init(void)
-{
- return platform_driver_register(&rpmhpd_driver);
-}
-core_initcall(rpmhpd_init);
-
-MODULE_DESCRIPTION("Qualcomm Technologies, Inc. RPMh Power Domain Driver");
-MODULE_LICENSE("GPL v2");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved. */
-
-#include <linux/err.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/mutex.h>
-#include <linux/pm_domain.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/pm_opp.h>
-#include <linux/soc/qcom/smd-rpm.h>
-
-#include <dt-bindings/power/qcom-rpmpd.h>
-
-#define domain_to_rpmpd(domain) container_of(domain, struct rpmpd, pd)
-
-/* Resource types:
- * RPMPD_X is X encoded as a little-endian, lower-case, ASCII string */
-#define RPMPD_SMPA 0x61706d73
-#define RPMPD_LDOA 0x616f646c
-#define RPMPD_SMPB 0x62706d73
-#define RPMPD_LDOB 0x626f646c
-#define RPMPD_RWCX 0x78637772
-#define RPMPD_RWMX 0x786d7772
-#define RPMPD_RWLC 0x636c7772
-#define RPMPD_RWLM 0x6d6c7772
-#define RPMPD_RWSC 0x63737772
-#define RPMPD_RWSM 0x6d737772
-#define RPMPD_RWGX 0x78677772
-
-/* Operation Keys */
-#define KEY_CORNER 0x6e726f63 /* corn */
-#define KEY_ENABLE 0x6e657773 /* swen */
-#define KEY_FLOOR_CORNER 0x636676 /* vfc */
-#define KEY_FLOOR_LEVEL 0x6c6676 /* vfl */
-#define KEY_LEVEL 0x6c766c76 /* vlvl */
-
-#define MAX_CORNER_RPMPD_STATE 6
-
-struct rpmpd_req {
- __le32 key;
- __le32 nbytes;
- __le32 value;
-};
-
-struct rpmpd {
- struct generic_pm_domain pd;
- struct generic_pm_domain *parent;
- struct rpmpd *peer;
- const bool active_only;
- unsigned int corner;
- bool enabled;
- const int res_type;
- const int res_id;
- struct qcom_smd_rpm *rpm;
- unsigned int max_state;
- __le32 key;
- bool state_synced;
-};
-
-struct rpmpd_desc {
- struct rpmpd **rpmpds;
- size_t num_pds;
- unsigned int max_state;
-};
-
-static DEFINE_MUTEX(rpmpd_lock);
-
-/* CX */
-static struct rpmpd cx_rwcx0_lvl_ao;
-static struct rpmpd cx_rwcx0_lvl = {
- .pd = { .name = "cx", },
- .peer = &cx_rwcx0_lvl_ao,
- .res_type = RPMPD_RWCX,
- .res_id = 0,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd cx_rwcx0_lvl_ao = {
- .pd = { .name = "cx_ao", },
- .peer = &cx_rwcx0_lvl,
- .active_only = true,
- .res_type = RPMPD_RWCX,
- .res_id = 0,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd cx_s1a_corner_ao;
-static struct rpmpd cx_s1a_corner = {
- .pd = { .name = "cx", },
- .peer = &cx_s1a_corner_ao,
- .res_type = RPMPD_SMPA,
- .res_id = 1,
- .key = KEY_CORNER,
-};
-
-static struct rpmpd cx_s1a_corner_ao = {
- .pd = { .name = "cx_ao", },
- .peer = &cx_s1a_corner,
- .active_only = true,
- .res_type = RPMPD_SMPA,
- .res_id = 1,
- .key = KEY_CORNER,
-};
-
-static struct rpmpd cx_s2a_corner_ao;
-static struct rpmpd cx_s2a_corner = {
- .pd = { .name = "cx", },
- .peer = &cx_s2a_corner_ao,
- .res_type = RPMPD_SMPA,
- .res_id = 2,
- .key = KEY_CORNER,
-};
-
-static struct rpmpd cx_s2a_corner_ao = {
- .pd = { .name = "cx_ao", },
- .peer = &cx_s2a_corner,
- .active_only = true,
- .res_type = RPMPD_SMPA,
- .res_id = 2,
- .key = KEY_CORNER,
-};
-
-static struct rpmpd cx_s2a_lvl_ao;
-static struct rpmpd cx_s2a_lvl = {
- .pd = { .name = "cx", },
- .peer = &cx_s2a_lvl_ao,
- .res_type = RPMPD_SMPA,
- .res_id = 2,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd cx_s2a_lvl_ao = {
- .pd = { .name = "cx_ao", },
- .peer = &cx_s2a_lvl,
- .active_only = true,
- .res_type = RPMPD_SMPA,
- .res_id = 2,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd cx_s3a_lvl_ao;
-static struct rpmpd cx_s3a_lvl = {
- .pd = { .name = "cx", },
- .peer = &cx_s3a_lvl_ao,
- .res_type = RPMPD_SMPA,
- .res_id = 3,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd cx_s3a_lvl_ao = {
- .pd = { .name = "cx_ao", },
- .peer = &cx_s3a_lvl,
- .active_only = true,
- .res_type = RPMPD_SMPA,
- .res_id = 3,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd cx_rwcx0_vfl = {
- .pd = { .name = "cx_vfl", },
- .res_type = RPMPD_RWCX,
- .res_id = 0,
- .key = KEY_FLOOR_LEVEL,
-};
-
-static struct rpmpd cx_rwsc2_vfl = {
- .pd = { .name = "cx_vfl", },
- .res_type = RPMPD_RWSC,
- .res_id = 2,
- .key = KEY_FLOOR_LEVEL,
-};
-
-static struct rpmpd cx_s1a_vfc = {
- .pd = { .name = "cx_vfc", },
- .res_type = RPMPD_SMPA,
- .res_id = 1,
- .key = KEY_FLOOR_CORNER,
-};
-
-static struct rpmpd cx_s2a_vfc = {
- .pd = { .name = "cx_vfc", },
- .res_type = RPMPD_SMPA,
- .res_id = 2,
- .key = KEY_FLOOR_CORNER,
-};
-
-static struct rpmpd cx_s2a_vfl = {
- .pd = { .name = "cx_vfl", },
- .res_type = RPMPD_SMPA,
- .res_id = 2,
- .key = KEY_FLOOR_LEVEL,
-};
-
-static struct rpmpd cx_s3a_vfl = {
- .pd = { .name = "cx_vfl", },
- .res_type = RPMPD_SMPA,
- .res_id = 3,
- .key = KEY_FLOOR_LEVEL,
-};
-
-/* G(F)X */
-static struct rpmpd gfx_s2b_corner = {
- .pd = { .name = "gfx", },
- .res_type = RPMPD_SMPB,
- .res_id = 2,
- .key = KEY_CORNER,
-};
-
-static struct rpmpd gfx_s2b_vfc = {
- .pd = { .name = "gfx_vfc", },
- .res_type = RPMPD_SMPB,
- .res_id = 2,
- .key = KEY_FLOOR_CORNER,
-};
-
-static struct rpmpd mx_rwmx0_lvl;
-static struct rpmpd gx_rwgx0_lvl_ao;
-static struct rpmpd gx_rwgx0_lvl = {
- .pd = { .name = "gx", },
- .peer = &gx_rwgx0_lvl_ao,
- .res_type = RPMPD_RWGX,
- .parent = &mx_rwmx0_lvl.pd,
- .res_id = 0,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd mx_rwmx0_lvl_ao;
-static struct rpmpd gx_rwgx0_lvl_ao = {
- .pd = { .name = "gx_ao", },
- .peer = &gx_rwgx0_lvl,
- .parent = &mx_rwmx0_lvl_ao.pd,
- .active_only = true,
- .res_type = RPMPD_RWGX,
- .res_id = 0,
- .key = KEY_LEVEL,
-};
-
-/* MX */
-static struct rpmpd mx_l3a_corner_ao;
-static struct rpmpd mx_l3a_corner = {
- .pd = { .name = "mx", },
- .peer = &mx_l3a_corner_ao,
- .res_type = RPMPD_LDOA,
- .res_id = 3,
- .key = KEY_CORNER,
-};
-
-static struct rpmpd mx_l3a_corner_ao = {
- .pd = { .name = "mx_ao", },
- .peer = &mx_l3a_corner,
- .active_only = true,
- .res_type = RPMPD_LDOA,
- .res_id = 3,
- .key = KEY_CORNER,
-};
-
-static struct rpmpd mx_l12a_lvl_ao;
-static struct rpmpd mx_l12a_lvl = {
- .pd = { .name = "mx", },
- .peer = &mx_l12a_lvl_ao,
- .res_type = RPMPD_LDOA,
- .res_id = 12,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd mx_l12a_lvl_ao = {
- .pd = { .name = "mx_ao", },
- .peer = &mx_l12a_lvl,
- .active_only = true,
- .res_type = RPMPD_LDOA,
- .res_id = 12,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd mx_s2a_corner_ao;
-static struct rpmpd mx_s2a_corner = {
- .pd = { .name = "mx", },
- .peer = &mx_s2a_corner_ao,
- .res_type = RPMPD_SMPA,
- .res_id = 2,
- .key = KEY_CORNER,
-};
-
-static struct rpmpd mx_s2a_corner_ao = {
- .pd = { .name = "mx_ao", },
- .peer = &mx_s2a_corner,
- .active_only = true,
- .res_type = RPMPD_SMPA,
- .res_id = 2,
- .key = KEY_CORNER,
-};
-
-static struct rpmpd mx_rwmx0_lvl_ao;
-static struct rpmpd mx_rwmx0_lvl = {
- .pd = { .name = "mx", },
- .peer = &mx_rwmx0_lvl_ao,
- .res_type = RPMPD_RWMX,
- .res_id = 0,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd mx_rwmx0_lvl_ao = {
- .pd = { .name = "mx_ao", },
- .peer = &mx_rwmx0_lvl,
- .active_only = true,
- .res_type = RPMPD_RWMX,
- .res_id = 0,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd mx_s6a_lvl_ao;
-static struct rpmpd mx_s6a_lvl = {
- .pd = { .name = "mx", },
- .peer = &mx_s6a_lvl_ao,
- .res_type = RPMPD_SMPA,
- .res_id = 6,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd mx_s6a_lvl_ao = {
- .pd = { .name = "mx_ao", },
- .peer = &mx_s6a_lvl,
- .active_only = true,
- .res_type = RPMPD_SMPA,
- .res_id = 6,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd mx_s7a_lvl_ao;
-static struct rpmpd mx_s7a_lvl = {
- .pd = { .name = "mx", },
- .peer = &mx_s7a_lvl_ao,
- .res_type = RPMPD_SMPA,
- .res_id = 7,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd mx_s7a_lvl_ao = {
- .pd = { .name = "mx_ao", },
- .peer = &mx_s7a_lvl,
- .active_only = true,
- .res_type = RPMPD_SMPA,
- .res_id = 7,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd mx_l12a_vfl = {
- .pd = { .name = "mx_vfl", },
- .res_type = RPMPD_LDOA,
- .res_id = 12,
- .key = KEY_FLOOR_LEVEL,
-};
-
-static struct rpmpd mx_rwmx0_vfl = {
- .pd = { .name = "mx_vfl", },
- .res_type = RPMPD_RWMX,
- .res_id = 0,
- .key = KEY_FLOOR_LEVEL,
-};
-
-static struct rpmpd mx_rwsm6_vfl = {
- .pd = { .name = "mx_vfl", },
- .res_type = RPMPD_RWSM,
- .res_id = 6,
- .key = KEY_FLOOR_LEVEL,
-};
-
-/* MD */
-static struct rpmpd md_s1a_corner_ao;
-static struct rpmpd md_s1a_corner = {
- .pd = { .name = "md", },
- .peer = &md_s1a_corner_ao,
- .res_type = RPMPD_SMPA,
- .res_id = 1,
- .key = KEY_CORNER,
-};
-
-static struct rpmpd md_s1a_corner_ao = {
- .pd = { .name = "md_ao", },
- .peer = &md_s1a_corner,
- .active_only = true,
- .res_type = RPMPD_SMPA,
- .res_id = 1,
- .key = KEY_CORNER,
-};
-
-static struct rpmpd md_s1a_lvl_ao;
-static struct rpmpd md_s1a_lvl = {
- .pd = { .name = "md", },
- .peer = &md_s1a_lvl_ao,
- .res_type = RPMPD_SMPA,
- .res_id = 1,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd md_s1a_lvl_ao = {
- .pd = { .name = "md_ao", },
- .peer = &md_s1a_lvl,
- .active_only = true,
- .res_type = RPMPD_SMPA,
- .res_id = 1,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd md_s1a_vfc = {
- .pd = { .name = "md_vfc", },
- .res_type = RPMPD_SMPA,
- .res_id = 1,
- .key = KEY_FLOOR_CORNER,
-};
-
-/* LPI_CX */
-static struct rpmpd lpi_cx_rwlc0_lvl = {
- .pd = { .name = "lpi_cx", },
- .res_type = RPMPD_RWLC,
- .res_id = 0,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd lpi_cx_rwlc0_vfl = {
- .pd = { .name = "lpi_cx_vfl", },
- .res_type = RPMPD_RWLC,
- .res_id = 0,
- .key = KEY_FLOOR_LEVEL,
-};
-
-/* LPI_MX */
-static struct rpmpd lpi_mx_rwlm0_lvl = {
- .pd = { .name = "lpi_mx", },
- .res_type = RPMPD_RWLM,
- .res_id = 0,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd lpi_mx_rwlm0_vfl = {
- .pd = { .name = "lpi_mx_vfl", },
- .res_type = RPMPD_RWLM,
- .res_id = 0,
- .key = KEY_FLOOR_LEVEL,
-};
-
-/* SSC_CX */
-static struct rpmpd ssc_cx_l26a_corner = {
- .pd = { .name = "ssc_cx", },
- .res_type = RPMPD_LDOA,
- .res_id = 26,
- .key = KEY_CORNER,
-};
-
-static struct rpmpd ssc_cx_rwlc0_lvl = {
- .pd = { .name = "ssc_cx", },
- .res_type = RPMPD_RWLC,
- .res_id = 0,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd ssc_cx_rwsc0_lvl = {
- .pd = { .name = "ssc_cx", },
- .res_type = RPMPD_RWSC,
- .res_id = 0,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd ssc_cx_l26a_vfc = {
- .pd = { .name = "ssc_cx_vfc", },
- .res_type = RPMPD_LDOA,
- .res_id = 26,
- .key = KEY_FLOOR_CORNER,
-};
-
-static struct rpmpd ssc_cx_rwlc0_vfl = {
- .pd = { .name = "ssc_cx_vfl", },
- .res_type = RPMPD_RWLC,
- .res_id = 0,
- .key = KEY_FLOOR_LEVEL,
-};
-
-static struct rpmpd ssc_cx_rwsc0_vfl = {
- .pd = { .name = "ssc_cx_vfl", },
- .res_type = RPMPD_RWSC,
- .res_id = 0,
- .key = KEY_FLOOR_LEVEL,
-};
-
-/* SSC_MX */
-static struct rpmpd ssc_mx_rwlm0_lvl = {
- .pd = { .name = "ssc_mx", },
- .res_type = RPMPD_RWLM,
- .res_id = 0,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd ssc_mx_rwsm0_lvl = {
- .pd = { .name = "ssc_mx", },
- .res_type = RPMPD_RWSM,
- .res_id = 0,
- .key = KEY_LEVEL,
-};
-
-static struct rpmpd ssc_mx_rwlm0_vfl = {
- .pd = { .name = "ssc_mx_vfl", },
- .res_type = RPMPD_RWLM,
- .res_id = 0,
- .key = KEY_FLOOR_LEVEL,
-};
-
-static struct rpmpd ssc_mx_rwsm0_vfl = {
- .pd = { .name = "ssc_mx_vfl", },
- .res_type = RPMPD_RWSM,
- .res_id = 0,
- .key = KEY_FLOOR_LEVEL,
-};
-
-static struct rpmpd *mdm9607_rpmpds[] = {
- [MDM9607_VDDCX] = &cx_s3a_lvl,
- [MDM9607_VDDCX_AO] = &cx_s3a_lvl_ao,
- [MDM9607_VDDCX_VFL] = &cx_s3a_vfl,
- [MDM9607_VDDMX] = &mx_l12a_lvl,
- [MDM9607_VDDMX_AO] = &mx_l12a_lvl_ao,
- [MDM9607_VDDMX_VFL] = &mx_l12a_vfl,
-};
-
-static const struct rpmpd_desc mdm9607_desc = {
- .rpmpds = mdm9607_rpmpds,
- .num_pds = ARRAY_SIZE(mdm9607_rpmpds),
- .max_state = RPM_SMD_LEVEL_TURBO,
-};
-
-static struct rpmpd *msm8226_rpmpds[] = {
- [MSM8226_VDDCX] = &cx_s1a_corner,
- [MSM8226_VDDCX_AO] = &cx_s1a_corner_ao,
- [MSM8226_VDDCX_VFC] = &cx_s1a_vfc,
-};
-
-static const struct rpmpd_desc msm8226_desc = {
- .rpmpds = msm8226_rpmpds,
- .num_pds = ARRAY_SIZE(msm8226_rpmpds),
- .max_state = MAX_CORNER_RPMPD_STATE,
-};
-
-static struct rpmpd *msm8939_rpmpds[] = {
- [MSM8939_VDDMDCX] = &md_s1a_corner,
- [MSM8939_VDDMDCX_AO] = &md_s1a_corner_ao,
- [MSM8939_VDDMDCX_VFC] = &md_s1a_vfc,
- [MSM8939_VDDCX] = &cx_s2a_corner,
- [MSM8939_VDDCX_AO] = &cx_s2a_corner_ao,
- [MSM8939_VDDCX_VFC] = &cx_s2a_vfc,
- [MSM8939_VDDMX] = &mx_l3a_corner,
- [MSM8939_VDDMX_AO] = &mx_l3a_corner_ao,
-};
-
-static const struct rpmpd_desc msm8939_desc = {
- .rpmpds = msm8939_rpmpds,
- .num_pds = ARRAY_SIZE(msm8939_rpmpds),
- .max_state = MAX_CORNER_RPMPD_STATE,
-};
-
-static struct rpmpd *msm8916_rpmpds[] = {
- [MSM8916_VDDCX] = &cx_s1a_corner,
- [MSM8916_VDDCX_AO] = &cx_s1a_corner_ao,
- [MSM8916_VDDCX_VFC] = &cx_s1a_vfc,
- [MSM8916_VDDMX] = &mx_l3a_corner,
- [MSM8916_VDDMX_AO] = &mx_l3a_corner_ao,
-};
-
-static const struct rpmpd_desc msm8916_desc = {
- .rpmpds = msm8916_rpmpds,
- .num_pds = ARRAY_SIZE(msm8916_rpmpds),
- .max_state = MAX_CORNER_RPMPD_STATE,
-};
-
-static struct rpmpd *msm8953_rpmpds[] = {
- [MSM8953_VDDMD] = &md_s1a_lvl,
- [MSM8953_VDDMD_AO] = &md_s1a_lvl_ao,
- [MSM8953_VDDCX] = &cx_s2a_lvl,
- [MSM8953_VDDCX_AO] = &cx_s2a_lvl_ao,
- [MSM8953_VDDCX_VFL] = &cx_s2a_vfl,
- [MSM8953_VDDMX] = &mx_s7a_lvl,
- [MSM8953_VDDMX_AO] = &mx_s7a_lvl_ao,
-};
-
-static const struct rpmpd_desc msm8953_desc = {
- .rpmpds = msm8953_rpmpds,
- .num_pds = ARRAY_SIZE(msm8953_rpmpds),
- .max_state = RPM_SMD_LEVEL_TURBO,
-};
-
-static struct rpmpd *msm8976_rpmpds[] = {
- [MSM8976_VDDCX] = &cx_s2a_lvl,
- [MSM8976_VDDCX_AO] = &cx_s2a_lvl_ao,
- [MSM8976_VDDCX_VFL] = &cx_rwsc2_vfl,
- [MSM8976_VDDMX] = &mx_s6a_lvl,
- [MSM8976_VDDMX_AO] = &mx_s6a_lvl_ao,
- [MSM8976_VDDMX_VFL] = &mx_rwsm6_vfl,
-};
-
-static const struct rpmpd_desc msm8976_desc = {
- .rpmpds = msm8976_rpmpds,
- .num_pds = ARRAY_SIZE(msm8976_rpmpds),
- .max_state = RPM_SMD_LEVEL_TURBO_HIGH,
-};
-
-static struct rpmpd *msm8994_rpmpds[] = {
- [MSM8994_VDDCX] = &cx_s1a_corner,
- [MSM8994_VDDCX_AO] = &cx_s1a_corner_ao,
- [MSM8994_VDDCX_VFC] = &cx_s1a_vfc,
- [MSM8994_VDDMX] = &mx_s2a_corner,
- [MSM8994_VDDMX_AO] = &mx_s2a_corner_ao,
-
- /* Attention! *Some* 8994 boards with pm8004 may use SMPC here! */
- [MSM8994_VDDGFX] = &gfx_s2b_corner,
- [MSM8994_VDDGFX_VFC] = &gfx_s2b_vfc,
-};
-
-static const struct rpmpd_desc msm8994_desc = {
- .rpmpds = msm8994_rpmpds,
- .num_pds = ARRAY_SIZE(msm8994_rpmpds),
- .max_state = MAX_CORNER_RPMPD_STATE,
-};
-
-static struct rpmpd *msm8996_rpmpds[] = {
- [MSM8996_VDDCX] = &cx_s1a_corner,
- [MSM8996_VDDCX_AO] = &cx_s1a_corner_ao,
- [MSM8996_VDDCX_VFC] = &cx_s1a_vfc,
- [MSM8996_VDDMX] = &mx_s2a_corner,
- [MSM8996_VDDMX_AO] = &mx_s2a_corner_ao,
- [MSM8996_VDDSSCX] = &ssc_cx_l26a_corner,
- [MSM8996_VDDSSCX_VFC] = &ssc_cx_l26a_vfc,
-};
-
-static const struct rpmpd_desc msm8996_desc = {
- .rpmpds = msm8996_rpmpds,
- .num_pds = ARRAY_SIZE(msm8996_rpmpds),
- .max_state = MAX_CORNER_RPMPD_STATE,
-};
-
-static struct rpmpd *msm8998_rpmpds[] = {
- [MSM8998_VDDCX] = &cx_rwcx0_lvl,
- [MSM8998_VDDCX_AO] = &cx_rwcx0_lvl_ao,
- [MSM8998_VDDCX_VFL] = &cx_rwcx0_vfl,
- [MSM8998_VDDMX] = &mx_rwmx0_lvl,
- [MSM8998_VDDMX_AO] = &mx_rwmx0_lvl_ao,
- [MSM8998_VDDMX_VFL] = &mx_rwmx0_vfl,
- [MSM8998_SSCCX] = &ssc_cx_rwsc0_lvl,
- [MSM8998_SSCCX_VFL] = &ssc_cx_rwsc0_vfl,
- [MSM8998_SSCMX] = &ssc_mx_rwsm0_lvl,
- [MSM8998_SSCMX_VFL] = &ssc_mx_rwsm0_vfl,
-};
-
-static const struct rpmpd_desc msm8998_desc = {
- .rpmpds = msm8998_rpmpds,
- .num_pds = ARRAY_SIZE(msm8998_rpmpds),
- .max_state = RPM_SMD_LEVEL_BINNING,
-};
-
-static struct rpmpd *qcs404_rpmpds[] = {
- [QCS404_VDDMX] = &mx_rwmx0_lvl,
- [QCS404_VDDMX_AO] = &mx_rwmx0_lvl_ao,
- [QCS404_VDDMX_VFL] = &mx_rwmx0_vfl,
- [QCS404_LPICX] = &lpi_cx_rwlc0_lvl,
- [QCS404_LPICX_VFL] = &lpi_cx_rwlc0_vfl,
- [QCS404_LPIMX] = &lpi_mx_rwlm0_lvl,
- [QCS404_LPIMX_VFL] = &lpi_mx_rwlm0_vfl,
-};
-
-static const struct rpmpd_desc qcs404_desc = {
- .rpmpds = qcs404_rpmpds,
- .num_pds = ARRAY_SIZE(qcs404_rpmpds),
- .max_state = RPM_SMD_LEVEL_BINNING,
-};
-
-static struct rpmpd *sdm660_rpmpds[] = {
- [SDM660_VDDCX] = &cx_rwcx0_lvl,
- [SDM660_VDDCX_AO] = &cx_rwcx0_lvl_ao,
- [SDM660_VDDCX_VFL] = &cx_rwcx0_vfl,
- [SDM660_VDDMX] = &mx_rwmx0_lvl,
- [SDM660_VDDMX_AO] = &mx_rwmx0_lvl_ao,
- [SDM660_VDDMX_VFL] = &mx_rwmx0_vfl,
- [SDM660_SSCCX] = &ssc_cx_rwlc0_lvl,
- [SDM660_SSCCX_VFL] = &ssc_cx_rwlc0_vfl,
- [SDM660_SSCMX] = &ssc_mx_rwlm0_lvl,
- [SDM660_SSCMX_VFL] = &ssc_mx_rwlm0_vfl,
-};
-
-static const struct rpmpd_desc sdm660_desc = {
- .rpmpds = sdm660_rpmpds,
- .num_pds = ARRAY_SIZE(sdm660_rpmpds),
- .max_state = RPM_SMD_LEVEL_TURBO,
-};
-
-static struct rpmpd *sm6115_rpmpds[] = {
- [SM6115_VDDCX] = &cx_rwcx0_lvl,
- [SM6115_VDDCX_AO] = &cx_rwcx0_lvl_ao,
- [SM6115_VDDCX_VFL] = &cx_rwcx0_vfl,
- [SM6115_VDDMX] = &mx_rwmx0_lvl,
- [SM6115_VDDMX_AO] = &mx_rwmx0_lvl_ao,
- [SM6115_VDDMX_VFL] = &mx_rwmx0_vfl,
- [SM6115_VDD_LPI_CX] = &lpi_cx_rwlc0_lvl,
- [SM6115_VDD_LPI_MX] = &lpi_mx_rwlm0_lvl,
-};
-
-static const struct rpmpd_desc sm6115_desc = {
- .rpmpds = sm6115_rpmpds,
- .num_pds = ARRAY_SIZE(sm6115_rpmpds),
- .max_state = RPM_SMD_LEVEL_TURBO_NO_CPR,
-};
-
-static struct rpmpd *sm6125_rpmpds[] = {
- [SM6125_VDDCX] = &cx_rwcx0_lvl,
- [SM6125_VDDCX_AO] = &cx_rwcx0_lvl_ao,
- [SM6125_VDDCX_VFL] = &cx_rwcx0_vfl,
- [SM6125_VDDMX] = &mx_rwmx0_lvl,
- [SM6125_VDDMX_AO] = &mx_rwmx0_lvl_ao,
- [SM6125_VDDMX_VFL] = &mx_rwmx0_vfl,
-};
-
-static const struct rpmpd_desc sm6125_desc = {
- .rpmpds = sm6125_rpmpds,
- .num_pds = ARRAY_SIZE(sm6125_rpmpds),
- .max_state = RPM_SMD_LEVEL_BINNING,
-};
-
-static struct rpmpd *sm6375_rpmpds[] = {
- [SM6375_VDDCX] = &cx_rwcx0_lvl,
- [SM6375_VDDCX_AO] = &cx_rwcx0_lvl_ao,
- [SM6375_VDDCX_VFL] = &cx_rwcx0_vfl,
- [SM6375_VDDMX] = &mx_rwmx0_lvl,
- [SM6375_VDDMX_AO] = &mx_rwmx0_lvl_ao,
- [SM6375_VDDMX_VFL] = &mx_rwmx0_vfl,
- [SM6375_VDDGX] = &gx_rwgx0_lvl,
- [SM6375_VDDGX_AO] = &gx_rwgx0_lvl_ao,
- [SM6375_VDD_LPI_CX] = &lpi_cx_rwlc0_lvl,
- [SM6375_VDD_LPI_MX] = &lpi_mx_rwlm0_lvl,
-};
-
-static const struct rpmpd_desc sm6375_desc = {
- .rpmpds = sm6375_rpmpds,
- .num_pds = ARRAY_SIZE(sm6375_rpmpds),
- .max_state = RPM_SMD_LEVEL_TURBO_NO_CPR,
-};
-
-static struct rpmpd *qcm2290_rpmpds[] = {
- [QCM2290_VDDCX] = &cx_rwcx0_lvl,
- [QCM2290_VDDCX_AO] = &cx_rwcx0_lvl_ao,
- [QCM2290_VDDCX_VFL] = &cx_rwcx0_vfl,
- [QCM2290_VDDMX] = &mx_rwmx0_lvl,
- [QCM2290_VDDMX_AO] = &mx_rwmx0_lvl_ao,
- [QCM2290_VDDMX_VFL] = &mx_rwmx0_vfl,
- [QCM2290_VDD_LPI_CX] = &lpi_cx_rwlc0_lvl,
- [QCM2290_VDD_LPI_MX] = &lpi_mx_rwlm0_lvl,
-};
-
-static const struct rpmpd_desc qcm2290_desc = {
- .rpmpds = qcm2290_rpmpds,
- .num_pds = ARRAY_SIZE(qcm2290_rpmpds),
- .max_state = RPM_SMD_LEVEL_TURBO_NO_CPR,
-};
-
-static const struct of_device_id rpmpd_match_table[] = {
- { .compatible = "qcom,mdm9607-rpmpd", .data = &mdm9607_desc },
- { .compatible = "qcom,msm8226-rpmpd", .data = &msm8226_desc },
- { .compatible = "qcom,msm8909-rpmpd", .data = &msm8916_desc },
- { .compatible = "qcom,msm8916-rpmpd", .data = &msm8916_desc },
- { .compatible = "qcom,msm8939-rpmpd", .data = &msm8939_desc },
- { .compatible = "qcom,msm8953-rpmpd", .data = &msm8953_desc },
- { .compatible = "qcom,msm8976-rpmpd", .data = &msm8976_desc },
- { .compatible = "qcom,msm8994-rpmpd", .data = &msm8994_desc },
- { .compatible = "qcom,msm8996-rpmpd", .data = &msm8996_desc },
- { .compatible = "qcom,msm8998-rpmpd", .data = &msm8998_desc },
- { .compatible = "qcom,qcm2290-rpmpd", .data = &qcm2290_desc },
- { .compatible = "qcom,qcs404-rpmpd", .data = &qcs404_desc },
- { .compatible = "qcom,sdm660-rpmpd", .data = &sdm660_desc },
- { .compatible = "qcom,sm6115-rpmpd", .data = &sm6115_desc },
- { .compatible = "qcom,sm6125-rpmpd", .data = &sm6125_desc },
- { .compatible = "qcom,sm6375-rpmpd", .data = &sm6375_desc },
- { }
-};
-MODULE_DEVICE_TABLE(of, rpmpd_match_table);
-
-static int rpmpd_send_enable(struct rpmpd *pd, bool enable)
-{
- struct rpmpd_req req = {
- .key = KEY_ENABLE,
- .nbytes = cpu_to_le32(sizeof(u32)),
- .value = cpu_to_le32(enable),
- };
-
- return qcom_rpm_smd_write(pd->rpm, QCOM_SMD_RPM_ACTIVE_STATE,
- pd->res_type, pd->res_id, &req, sizeof(req));
-}
-
-static int rpmpd_send_corner(struct rpmpd *pd, int state, unsigned int corner)
-{
- struct rpmpd_req req = {
- .key = pd->key,
- .nbytes = cpu_to_le32(sizeof(u32)),
- .value = cpu_to_le32(corner),
- };
-
- return qcom_rpm_smd_write(pd->rpm, state, pd->res_type, pd->res_id,
- &req, sizeof(req));
-};
-
-static void to_active_sleep(struct rpmpd *pd, unsigned int corner,
- unsigned int *active, unsigned int *sleep)
-{
- *active = corner;
-
- if (pd->active_only)
- *sleep = 0;
- else
- *sleep = *active;
-}
-
-static int rpmpd_aggregate_corner(struct rpmpd *pd)
-{
- int ret;
- struct rpmpd *peer = pd->peer;
- unsigned int active_corner, sleep_corner;
- unsigned int this_active_corner = 0, this_sleep_corner = 0;
- unsigned int peer_active_corner = 0, peer_sleep_corner = 0;
-
- /* Clamp to the highest corner/level if sync_state isn't done yet */
- if (!pd->state_synced)
- this_active_corner = this_sleep_corner = pd->max_state - 1;
- else
- to_active_sleep(pd, pd->corner, &this_active_corner, &this_sleep_corner);
-
- if (peer && peer->enabled)
- to_active_sleep(peer, peer->corner, &peer_active_corner,
- &peer_sleep_corner);
-
- active_corner = max(this_active_corner, peer_active_corner);
-
- ret = rpmpd_send_corner(pd, QCOM_SMD_RPM_ACTIVE_STATE, active_corner);
- if (ret)
- return ret;
-
- sleep_corner = max(this_sleep_corner, peer_sleep_corner);
-
- return rpmpd_send_corner(pd, QCOM_SMD_RPM_SLEEP_STATE, sleep_corner);
-}
-
-static int rpmpd_power_on(struct generic_pm_domain *domain)
-{
- int ret;
- struct rpmpd *pd = domain_to_rpmpd(domain);
-
- mutex_lock(&rpmpd_lock);
-
- ret = rpmpd_send_enable(pd, true);
- if (ret)
- goto out;
-
- pd->enabled = true;
-
- if (pd->corner)
- ret = rpmpd_aggregate_corner(pd);
-
-out:
- mutex_unlock(&rpmpd_lock);
-
- return ret;
-}
-
-static int rpmpd_power_off(struct generic_pm_domain *domain)
-{
- int ret;
- struct rpmpd *pd = domain_to_rpmpd(domain);
-
- mutex_lock(&rpmpd_lock);
-
- ret = rpmpd_send_enable(pd, false);
- if (!ret)
- pd->enabled = false;
-
- mutex_unlock(&rpmpd_lock);
-
- return ret;
-}
-
-static int rpmpd_set_performance(struct generic_pm_domain *domain,
- unsigned int state)
-{
- int ret = 0;
- struct rpmpd *pd = domain_to_rpmpd(domain);
-
- if (state > pd->max_state)
- state = pd->max_state;
-
- mutex_lock(&rpmpd_lock);
-
- pd->corner = state;
-
- /* Always send updates for vfc and vfl */
- if (!pd->enabled && pd->key != cpu_to_le32(KEY_FLOOR_CORNER) &&
- pd->key != cpu_to_le32(KEY_FLOOR_LEVEL))
- goto out;
-
- ret = rpmpd_aggregate_corner(pd);
-
-out:
- mutex_unlock(&rpmpd_lock);
-
- return ret;
-}
-
-static unsigned int rpmpd_get_performance(struct generic_pm_domain *genpd,
- struct dev_pm_opp *opp)
-{
- return dev_pm_opp_get_level(opp);
-}
-
-static int rpmpd_probe(struct platform_device *pdev)
-{
- int i;
- size_t num;
- struct genpd_onecell_data *data;
- struct qcom_smd_rpm *rpm;
- struct rpmpd **rpmpds;
- const struct rpmpd_desc *desc;
-
- rpm = dev_get_drvdata(pdev->dev.parent);
- if (!rpm) {
- dev_err(&pdev->dev, "Unable to retrieve handle to RPM\n");
- return -ENODEV;
- }
-
- desc = of_device_get_match_data(&pdev->dev);
- if (!desc)
- return -EINVAL;
-
- rpmpds = desc->rpmpds;
- num = desc->num_pds;
-
- data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
- if (!data)
- return -ENOMEM;
-
- data->domains = devm_kcalloc(&pdev->dev, num, sizeof(*data->domains),
- GFP_KERNEL);
- if (!data->domains)
- return -ENOMEM;
-
- data->num_domains = num;
-
- for (i = 0; i < num; i++) {
- if (!rpmpds[i]) {
- dev_warn(&pdev->dev, "rpmpds[] with empty entry at index=%d\n",
- i);
- continue;
- }
-
- rpmpds[i]->rpm = rpm;
- rpmpds[i]->max_state = desc->max_state;
- rpmpds[i]->pd.power_off = rpmpd_power_off;
- rpmpds[i]->pd.power_on = rpmpd_power_on;
- rpmpds[i]->pd.set_performance_state = rpmpd_set_performance;
- rpmpds[i]->pd.opp_to_performance_state = rpmpd_get_performance;
- pm_genpd_init(&rpmpds[i]->pd, NULL, true);
-
- data->domains[i] = &rpmpds[i]->pd;
- }
-
- /* Add subdomains */
- for (i = 0; i < num; i++) {
- if (!rpmpds[i])
- continue;
-
- if (rpmpds[i]->parent)
- pm_genpd_add_subdomain(rpmpds[i]->parent, &rpmpds[i]->pd);
- }
-
- return of_genpd_add_provider_onecell(pdev->dev.of_node, data);
-}
-
-static void rpmpd_sync_state(struct device *dev)
-{
- const struct rpmpd_desc *desc = of_device_get_match_data(dev);
- struct rpmpd **rpmpds = desc->rpmpds;
- struct rpmpd *pd;
- unsigned int i;
- int ret;
-
- mutex_lock(&rpmpd_lock);
- for (i = 0; i < desc->num_pds; i++) {
- pd = rpmpds[i];
- if (!pd)
- continue;
-
- pd->state_synced = true;
-
- if (!pd->enabled)
- pd->corner = 0;
-
- ret = rpmpd_aggregate_corner(pd);
- if (ret)
- dev_err(dev, "failed to sync %s: %d\n", pd->pd.name, ret);
- }
- mutex_unlock(&rpmpd_lock);
-}
-
-static struct platform_driver rpmpd_driver = {
- .driver = {
- .name = "qcom-rpmpd",
- .of_match_table = rpmpd_match_table,
- .suppress_bind_attrs = true,
- .sync_state = rpmpd_sync_state,
- },
- .probe = rpmpd_probe,
-};
-
-static int __init rpmpd_init(void)
-{
- return platform_driver_register(&rpmpd_driver);
-}
-core_initcall(rpmpd_init);
-
-MODULE_DESCRIPTION("Qualcomm Technologies, Inc. RPM Power Domain Driver");
-MODULE_LICENSE("GPL v2");
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0
-# SoC
-obj-$(CONFIG_SYSC_R8A7742) += r8a7742-sysc.o
-obj-$(CONFIG_SYSC_R8A7743) += r8a7743-sysc.o
-obj-$(CONFIG_SYSC_R8A7745) += r8a7745-sysc.o
-obj-$(CONFIG_SYSC_R8A77470) += r8a77470-sysc.o
-obj-$(CONFIG_SYSC_R8A774A1) += r8a774a1-sysc.o
-obj-$(CONFIG_SYSC_R8A774B1) += r8a774b1-sysc.o
-obj-$(CONFIG_SYSC_R8A774C0) += r8a774c0-sysc.o
-obj-$(CONFIG_SYSC_R8A774E1) += r8a774e1-sysc.o
-obj-$(CONFIG_SYSC_R8A7779) += r8a7779-sysc.o
-obj-$(CONFIG_SYSC_R8A7790) += r8a7790-sysc.o
-obj-$(CONFIG_SYSC_R8A7791) += r8a7791-sysc.o
-obj-$(CONFIG_SYSC_R8A7792) += r8a7792-sysc.o
-obj-$(CONFIG_SYSC_R8A7794) += r8a7794-sysc.o
-obj-$(CONFIG_SYSC_R8A7795) += r8a7795-sysc.o
-obj-$(CONFIG_SYSC_R8A77960) += r8a7796-sysc.o
-obj-$(CONFIG_SYSC_R8A77961) += r8a7796-sysc.o
-obj-$(CONFIG_SYSC_R8A77965) += r8a77965-sysc.o
-obj-$(CONFIG_SYSC_R8A77970) += r8a77970-sysc.o
-obj-$(CONFIG_SYSC_R8A77980) += r8a77980-sysc.o
-obj-$(CONFIG_SYSC_R8A77990) += r8a77990-sysc.o
-obj-$(CONFIG_SYSC_R8A77995) += r8a77995-sysc.o
-obj-$(CONFIG_SYSC_R8A779A0) += r8a779a0-sysc.o
-obj-$(CONFIG_SYSC_R8A779F0) += r8a779f0-sysc.o
-obj-$(CONFIG_SYSC_R8A779G0) += r8a779g0-sysc.o
-# Family
-obj-$(CONFIG_SYSC_RCAR) += rcar-sysc.o
-obj-$(CONFIG_SYSC_RCAR_GEN4) += rcar-gen4-sysc.o
-obj-$(CONFIG_SYSC_RMOBILE) += rmobile-sysc.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas RZ/G1H System Controller
- *
- * Copyright (C) 2020 Renesas Electronics Corp.
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a7742-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a7742_areas[] __initconst = {
- { "always-on", 0, 0, R8A7742_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca15-scu", 0x180, 0, R8A7742_PD_CA15_SCU, R8A7742_PD_ALWAYS_ON,
- PD_SCU },
- { "ca15-cpu0", 0x40, 0, R8A7742_PD_CA15_CPU0, R8A7742_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca15-cpu1", 0x40, 1, R8A7742_PD_CA15_CPU1, R8A7742_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca15-cpu2", 0x40, 2, R8A7742_PD_CA15_CPU2, R8A7742_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca15-cpu3", 0x40, 3, R8A7742_PD_CA15_CPU3, R8A7742_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca7-scu", 0x100, 0, R8A7742_PD_CA7_SCU, R8A7742_PD_ALWAYS_ON,
- PD_SCU },
- { "ca7-cpu0", 0x1c0, 0, R8A7742_PD_CA7_CPU0, R8A7742_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "ca7-cpu1", 0x1c0, 1, R8A7742_PD_CA7_CPU1, R8A7742_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "ca7-cpu2", 0x1c0, 2, R8A7742_PD_CA7_CPU2, R8A7742_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "ca7-cpu3", 0x1c0, 3, R8A7742_PD_CA7_CPU3, R8A7742_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "rgx", 0xc0, 0, R8A7742_PD_RGX, R8A7742_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a7742_sysc_info __initconst = {
- .areas = r8a7742_areas,
- .num_areas = ARRAY_SIZE(r8a7742_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas RZ/G1M System Controller
- *
- * Copyright (C) 2016 Cogent Embedded Inc.
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a7743-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a7743_areas[] __initconst = {
- { "always-on", 0, 0, R8A7743_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca15-scu", 0x180, 0, R8A7743_PD_CA15_SCU, R8A7743_PD_ALWAYS_ON,
- PD_SCU },
- { "ca15-cpu0", 0x40, 0, R8A7743_PD_CA15_CPU0, R8A7743_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca15-cpu1", 0x40, 1, R8A7743_PD_CA15_CPU1, R8A7743_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "sgx", 0xc0, 0, R8A7743_PD_SGX, R8A7743_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a7743_sysc_info __initconst = {
- .areas = r8a7743_areas,
- .num_areas = ARRAY_SIZE(r8a7743_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas RZ/G1E System Controller
- *
- * Copyright (C) 2016 Cogent Embedded Inc.
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a7745-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a7745_areas[] __initconst = {
- { "always-on", 0, 0, R8A7745_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca7-scu", 0x100, 0, R8A7745_PD_CA7_SCU, R8A7745_PD_ALWAYS_ON,
- PD_SCU },
- { "ca7-cpu0", 0x1c0, 0, R8A7745_PD_CA7_CPU0, R8A7745_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "ca7-cpu1", 0x1c0, 1, R8A7745_PD_CA7_CPU1, R8A7745_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "sgx", 0xc0, 0, R8A7745_PD_SGX, R8A7745_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a7745_sysc_info __initconst = {
- .areas = r8a7745_areas,
- .num_areas = ARRAY_SIZE(r8a7745_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas RZ/G1C System Controller
- *
- * Copyright (C) 2018 Renesas Electronics Corp.
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a77470-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a77470_areas[] __initconst = {
- { "always-on", 0, 0, R8A77470_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca7-scu", 0x100, 0, R8A77470_PD_CA7_SCU, R8A77470_PD_ALWAYS_ON,
- PD_SCU },
- { "ca7-cpu0", 0x1c0, 0, R8A77470_PD_CA7_CPU0, R8A77470_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "ca7-cpu1", 0x1c0, 1, R8A77470_PD_CA7_CPU1, R8A77470_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "sgx", 0xc0, 0, R8A77470_PD_SGX, R8A77470_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a77470_sysc_info __initconst = {
- .areas = r8a77470_areas,
- .num_areas = ARRAY_SIZE(r8a77470_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas RZ/G2M System Controller
- * Copyright (C) 2018 Renesas Electronics Corp.
- *
- * Based on Renesas R-Car M3-W System Controller
- * Copyright (C) 2016 Glider bvba
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a774a1-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a774a1_areas[] __initconst = {
- { "always-on", 0, 0, R8A774A1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca57-scu", 0x1c0, 0, R8A774A1_PD_CA57_SCU, R8A774A1_PD_ALWAYS_ON,
- PD_SCU },
- { "ca57-cpu0", 0x80, 0, R8A774A1_PD_CA57_CPU0, R8A774A1_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca57-cpu1", 0x80, 1, R8A774A1_PD_CA57_CPU1, R8A774A1_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca53-scu", 0x140, 0, R8A774A1_PD_CA53_SCU, R8A774A1_PD_ALWAYS_ON,
- PD_SCU },
- { "ca53-cpu0", 0x200, 0, R8A774A1_PD_CA53_CPU0, R8A774A1_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu1", 0x200, 1, R8A774A1_PD_CA53_CPU1, R8A774A1_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu2", 0x200, 2, R8A774A1_PD_CA53_CPU2, R8A774A1_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu3", 0x200, 3, R8A774A1_PD_CA53_CPU3, R8A774A1_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "a3vc", 0x380, 0, R8A774A1_PD_A3VC, R8A774A1_PD_ALWAYS_ON },
- { "a2vc0", 0x3c0, 0, R8A774A1_PD_A2VC0, R8A774A1_PD_A3VC },
- { "a2vc1", 0x3c0, 1, R8A774A1_PD_A2VC1, R8A774A1_PD_A3VC },
- { "3dg-a", 0x100, 0, R8A774A1_PD_3DG_A, R8A774A1_PD_ALWAYS_ON },
- { "3dg-b", 0x100, 1, R8A774A1_PD_3DG_B, R8A774A1_PD_3DG_A },
-};
-
-const struct rcar_sysc_info r8a774a1_sysc_info __initconst = {
- .areas = r8a774a1_areas,
- .num_areas = ARRAY_SIZE(r8a774a1_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas RZ/G2N System Controller
- * Copyright (C) 2019 Renesas Electronics Corp.
- *
- * Based on Renesas R-Car M3-W System Controller
- * Copyright (C) 2016 Glider bvba
- */
-
-#include <linux/bits.h>
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a774b1-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a774b1_areas[] __initconst = {
- { "always-on", 0, 0, R8A774B1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca57-scu", 0x1c0, 0, R8A774B1_PD_CA57_SCU, R8A774B1_PD_ALWAYS_ON,
- PD_SCU },
- { "ca57-cpu0", 0x80, 0, R8A774B1_PD_CA57_CPU0, R8A774B1_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca57-cpu1", 0x80, 1, R8A774B1_PD_CA57_CPU1, R8A774B1_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "a3vc", 0x380, 0, R8A774B1_PD_A3VC, R8A774B1_PD_ALWAYS_ON },
- { "a3vp", 0x340, 0, R8A774B1_PD_A3VP, R8A774B1_PD_ALWAYS_ON },
- { "a2vc1", 0x3c0, 1, R8A774B1_PD_A2VC1, R8A774B1_PD_A3VC },
- { "3dg-a", 0x100, 0, R8A774B1_PD_3DG_A, R8A774B1_PD_ALWAYS_ON },
- { "3dg-b", 0x100, 1, R8A774B1_PD_3DG_B, R8A774B1_PD_3DG_A },
-};
-
-const struct rcar_sysc_info r8a774b1_sysc_info __initconst = {
- .areas = r8a774b1_areas,
- .num_areas = ARRAY_SIZE(r8a774b1_areas),
- .extmask_offs = 0x2f8,
- .extmask_val = BIT(0),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas RZ/G2E System Controller
- * Copyright (C) 2018 Renesas Electronics Corp.
- *
- * Based on Renesas R-Car E3 System Controller
- */
-
-#include <linux/bits.h>
-#include <linux/kernel.h>
-#include <linux/sys_soc.h>
-
-#include <dt-bindings/power/r8a774c0-sysc.h>
-
-#include "rcar-sysc.h"
-
-static struct rcar_sysc_area r8a774c0_areas[] __initdata = {
- { "always-on", 0, 0, R8A774C0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca53-scu", 0x140, 0, R8A774C0_PD_CA53_SCU, R8A774C0_PD_ALWAYS_ON,
- PD_SCU },
- { "ca53-cpu0", 0x200, 0, R8A774C0_PD_CA53_CPU0, R8A774C0_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu1", 0x200, 1, R8A774C0_PD_CA53_CPU1, R8A774C0_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "a3vc", 0x380, 0, R8A774C0_PD_A3VC, R8A774C0_PD_ALWAYS_ON },
- { "a2vc1", 0x3c0, 1, R8A774C0_PD_A2VC1, R8A774C0_PD_A3VC },
- { "3dg-a", 0x100, 0, R8A774C0_PD_3DG_A, R8A774C0_PD_ALWAYS_ON },
- { "3dg-b", 0x100, 1, R8A774C0_PD_3DG_B, R8A774C0_PD_3DG_A },
-};
-
-/* Fixups for RZ/G2E ES1.0 revision */
-static const struct soc_device_attribute r8a774c0[] __initconst = {
- { .soc_id = "r8a774c0", .revision = "ES1.0" },
- { /* sentinel */ }
-};
-
-static int __init r8a774c0_sysc_init(void)
-{
- if (soc_device_match(r8a774c0)) {
- /* Fix incorrect 3DG hierarchy */
- swap(r8a774c0_areas[6], r8a774c0_areas[7]);
- r8a774c0_areas[6].parent = R8A774C0_PD_ALWAYS_ON;
- r8a774c0_areas[7].parent = R8A774C0_PD_3DG_B;
- }
-
- return 0;
-}
-
-const struct rcar_sysc_info r8a774c0_sysc_info __initconst = {
- .init = r8a774c0_sysc_init,
- .areas = r8a774c0_areas,
- .num_areas = ARRAY_SIZE(r8a774c0_areas),
- .extmask_offs = 0x2f8,
- .extmask_val = BIT(0),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas RZ/G2H System Controller
- * Copyright (C) 2020 Renesas Electronics Corp.
- *
- * Based on Renesas R-Car H3 System Controller
- * Copyright (C) 2016-2017 Glider bvba
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a774e1-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a774e1_areas[] __initconst = {
- { "always-on", 0, 0, R8A774E1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca57-scu", 0x1c0, 0, R8A774E1_PD_CA57_SCU, R8A774E1_PD_ALWAYS_ON, PD_SCU },
- { "ca57-cpu0", 0x80, 0, R8A774E1_PD_CA57_CPU0, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
- { "ca57-cpu1", 0x80, 1, R8A774E1_PD_CA57_CPU1, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
- { "ca57-cpu2", 0x80, 2, R8A774E1_PD_CA57_CPU2, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
- { "ca57-cpu3", 0x80, 3, R8A774E1_PD_CA57_CPU3, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
- { "ca53-scu", 0x140, 0, R8A774E1_PD_CA53_SCU, R8A774E1_PD_ALWAYS_ON, PD_SCU },
- { "ca53-cpu0", 0x200, 0, R8A774E1_PD_CA53_CPU0, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
- { "ca53-cpu1", 0x200, 1, R8A774E1_PD_CA53_CPU1, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
- { "ca53-cpu2", 0x200, 2, R8A774E1_PD_CA53_CPU2, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
- { "ca53-cpu3", 0x200, 3, R8A774E1_PD_CA53_CPU3, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
- { "a3vp", 0x340, 0, R8A774E1_PD_A3VP, R8A774E1_PD_ALWAYS_ON },
- { "a3vc", 0x380, 0, R8A774E1_PD_A3VC, R8A774E1_PD_ALWAYS_ON },
- { "a2vc1", 0x3c0, 1, R8A774E1_PD_A2VC1, R8A774E1_PD_A3VC },
- { "3dg-a", 0x100, 0, R8A774E1_PD_3DG_A, R8A774E1_PD_ALWAYS_ON },
- { "3dg-b", 0x100, 1, R8A774E1_PD_3DG_B, R8A774E1_PD_3DG_A },
- { "3dg-c", 0x100, 2, R8A774E1_PD_3DG_C, R8A774E1_PD_3DG_B },
- { "3dg-d", 0x100, 3, R8A774E1_PD_3DG_D, R8A774E1_PD_3DG_C },
- { "3dg-e", 0x100, 4, R8A774E1_PD_3DG_E, R8A774E1_PD_3DG_D },
-};
-
-const struct rcar_sysc_info r8a774e1_sysc_info __initconst = {
- .areas = r8a774e1_areas,
- .num_areas = ARRAY_SIZE(r8a774e1_areas),
- .extmask_offs = 0x2f8,
- .extmask_val = BIT(0),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car H1 System Controller
- *
- * Copyright (C) 2016 Glider bvba
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a7779-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a7779_areas[] __initconst = {
- { "always-on", 0, 0, R8A7779_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "arm1", 0x40, 1, R8A7779_PD_ARM1, R8A7779_PD_ALWAYS_ON,
- PD_CPU_CR },
- { "arm2", 0x40, 2, R8A7779_PD_ARM2, R8A7779_PD_ALWAYS_ON,
- PD_CPU_CR },
- { "arm3", 0x40, 3, R8A7779_PD_ARM3, R8A7779_PD_ALWAYS_ON,
- PD_CPU_CR },
- { "sgx", 0xc0, 0, R8A7779_PD_SGX, R8A7779_PD_ALWAYS_ON },
- { "vdp", 0x100, 0, R8A7779_PD_VDP, R8A7779_PD_ALWAYS_ON },
- { "imp", 0x140, 0, R8A7779_PD_IMP, R8A7779_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a7779_sysc_info __initconst = {
- .areas = r8a7779_areas,
- .num_areas = ARRAY_SIZE(r8a7779_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car H2 System Controller
- *
- * Copyright (C) 2016 Glider bvba
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a7790-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a7790_areas[] __initconst = {
- { "always-on", 0, 0, R8A7790_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca15-scu", 0x180, 0, R8A7790_PD_CA15_SCU, R8A7790_PD_ALWAYS_ON,
- PD_SCU },
- { "ca15-cpu0", 0x40, 0, R8A7790_PD_CA15_CPU0, R8A7790_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca15-cpu1", 0x40, 1, R8A7790_PD_CA15_CPU1, R8A7790_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca15-cpu2", 0x40, 2, R8A7790_PD_CA15_CPU2, R8A7790_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca15-cpu3", 0x40, 3, R8A7790_PD_CA15_CPU3, R8A7790_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca7-scu", 0x100, 0, R8A7790_PD_CA7_SCU, R8A7790_PD_ALWAYS_ON,
- PD_SCU },
- { "ca7-cpu0", 0x1c0, 0, R8A7790_PD_CA7_CPU0, R8A7790_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "ca7-cpu1", 0x1c0, 1, R8A7790_PD_CA7_CPU1, R8A7790_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "ca7-cpu2", 0x1c0, 2, R8A7790_PD_CA7_CPU2, R8A7790_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "ca7-cpu3", 0x1c0, 3, R8A7790_PD_CA7_CPU3, R8A7790_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "sh-4a", 0x80, 0, R8A7790_PD_SH_4A, R8A7790_PD_ALWAYS_ON },
- { "rgx", 0xc0, 0, R8A7790_PD_RGX, R8A7790_PD_ALWAYS_ON },
- { "imp", 0x140, 0, R8A7790_PD_IMP, R8A7790_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a7790_sysc_info __initconst = {
- .areas = r8a7790_areas,
- .num_areas = ARRAY_SIZE(r8a7790_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car M2-W/N System Controller
- *
- * Copyright (C) 2016 Glider bvba
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a7791-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a7791_areas[] __initconst = {
- { "always-on", 0, 0, R8A7791_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca15-scu", 0x180, 0, R8A7791_PD_CA15_SCU, R8A7791_PD_ALWAYS_ON,
- PD_SCU },
- { "ca15-cpu0", 0x40, 0, R8A7791_PD_CA15_CPU0, R8A7791_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca15-cpu1", 0x40, 1, R8A7791_PD_CA15_CPU1, R8A7791_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "sh-4a", 0x80, 0, R8A7791_PD_SH_4A, R8A7791_PD_ALWAYS_ON },
- { "sgx", 0xc0, 0, R8A7791_PD_SGX, R8A7791_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a7791_sysc_info __initconst = {
- .areas = r8a7791_areas,
- .num_areas = ARRAY_SIZE(r8a7791_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car V2H (R8A7792) System Controller
- *
- * Copyright (C) 2016 Cogent Embedded Inc.
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a7792-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a7792_areas[] __initconst = {
- { "always-on", 0, 0, R8A7792_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca15-scu", 0x180, 0, R8A7792_PD_CA15_SCU, R8A7792_PD_ALWAYS_ON,
- PD_SCU },
- { "ca15-cpu0", 0x40, 0, R8A7792_PD_CA15_CPU0, R8A7792_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca15-cpu1", 0x40, 1, R8A7792_PD_CA15_CPU1, R8A7792_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "sgx", 0xc0, 0, R8A7792_PD_SGX, R8A7792_PD_ALWAYS_ON },
- { "imp", 0x140, 0, R8A7792_PD_IMP, R8A7792_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a7792_sysc_info __initconst = {
- .areas = r8a7792_areas,
- .num_areas = ARRAY_SIZE(r8a7792_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car E2 System Controller
- *
- * Copyright (C) 2016 Glider bvba
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a7794-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a7794_areas[] __initconst = {
- { "always-on", 0, 0, R8A7794_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca7-scu", 0x100, 0, R8A7794_PD_CA7_SCU, R8A7794_PD_ALWAYS_ON,
- PD_SCU },
- { "ca7-cpu0", 0x1c0, 0, R8A7794_PD_CA7_CPU0, R8A7794_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "ca7-cpu1", 0x1c0, 1, R8A7794_PD_CA7_CPU1, R8A7794_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "sh-4a", 0x80, 0, R8A7794_PD_SH_4A, R8A7794_PD_ALWAYS_ON },
- { "sgx", 0xc0, 0, R8A7794_PD_SGX, R8A7794_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a7794_sysc_info __initconst = {
- .areas = r8a7794_areas,
- .num_areas = ARRAY_SIZE(r8a7794_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car H3 System Controller
- *
- * Copyright (C) 2016-2017 Glider bvba
- */
-
-#include <linux/bits.h>
-#include <linux/kernel.h>
-#include <linux/sys_soc.h>
-
-#include <dt-bindings/power/r8a7795-sysc.h>
-
-#include "rcar-sysc.h"
-
-static struct rcar_sysc_area r8a7795_areas[] __initdata = {
- { "always-on", 0, 0, R8A7795_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca57-scu", 0x1c0, 0, R8A7795_PD_CA57_SCU, R8A7795_PD_ALWAYS_ON,
- PD_SCU },
- { "ca57-cpu0", 0x80, 0, R8A7795_PD_CA57_CPU0, R8A7795_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca57-cpu1", 0x80, 1, R8A7795_PD_CA57_CPU1, R8A7795_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca57-cpu2", 0x80, 2, R8A7795_PD_CA57_CPU2, R8A7795_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca57-cpu3", 0x80, 3, R8A7795_PD_CA57_CPU3, R8A7795_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca53-scu", 0x140, 0, R8A7795_PD_CA53_SCU, R8A7795_PD_ALWAYS_ON,
- PD_SCU },
- { "ca53-cpu0", 0x200, 0, R8A7795_PD_CA53_CPU0, R8A7795_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu1", 0x200, 1, R8A7795_PD_CA53_CPU1, R8A7795_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu2", 0x200, 2, R8A7795_PD_CA53_CPU2, R8A7795_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu3", 0x200, 3, R8A7795_PD_CA53_CPU3, R8A7795_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "a3vp", 0x340, 0, R8A7795_PD_A3VP, R8A7795_PD_ALWAYS_ON },
- { "cr7", 0x240, 0, R8A7795_PD_CR7, R8A7795_PD_ALWAYS_ON },
- { "a3vc", 0x380, 0, R8A7795_PD_A3VC, R8A7795_PD_ALWAYS_ON },
- { "a2vc1", 0x3c0, 1, R8A7795_PD_A2VC1, R8A7795_PD_A3VC },
- { "3dg-a", 0x100, 0, R8A7795_PD_3DG_A, R8A7795_PD_ALWAYS_ON },
- { "3dg-b", 0x100, 1, R8A7795_PD_3DG_B, R8A7795_PD_3DG_A },
- { "3dg-c", 0x100, 2, R8A7795_PD_3DG_C, R8A7795_PD_3DG_B },
- { "3dg-d", 0x100, 3, R8A7795_PD_3DG_D, R8A7795_PD_3DG_C },
- { "3dg-e", 0x100, 4, R8A7795_PD_3DG_E, R8A7795_PD_3DG_D },
- { "a3ir", 0x180, 0, R8A7795_PD_A3IR, R8A7795_PD_ALWAYS_ON },
-};
-
-
- /*
- * Fixups for R-Car H3 revisions
- */
-
-#define NO_EXTMASK BIT(1) /* Missing SYSCEXTMASK register */
-
-static const struct soc_device_attribute r8a7795_quirks_match[] __initconst = {
- {
- .soc_id = "r8a7795", .revision = "ES2.*",
- .data = (void *)(NO_EXTMASK),
- },
- { /* sentinel */ }
-};
-
-static int __init r8a7795_sysc_init(void)
-{
- const struct soc_device_attribute *attr;
- u32 quirks = 0;
-
- attr = soc_device_match(r8a7795_quirks_match);
- if (attr)
- quirks = (uintptr_t)attr->data;
-
- if (quirks & NO_EXTMASK)
- r8a7795_sysc_info.extmask_val = 0;
-
- return 0;
-}
-
-struct rcar_sysc_info r8a7795_sysc_info __initdata = {
- .init = r8a7795_sysc_init,
- .areas = r8a7795_areas,
- .num_areas = ARRAY_SIZE(r8a7795_areas),
- .extmask_offs = 0x2f8,
- .extmask_val = BIT(0),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car M3-W/W+ System Controller
- *
- * Copyright (C) 2016 Glider bvba
- * Copyright (C) 2018-2019 Renesas Electronics Corporation
- */
-
-#include <linux/bits.h>
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a7796-sysc.h>
-
-#include "rcar-sysc.h"
-
-static struct rcar_sysc_area r8a7796_areas[] __initdata = {
- { "always-on", 0, 0, R8A7796_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca57-scu", 0x1c0, 0, R8A7796_PD_CA57_SCU, R8A7796_PD_ALWAYS_ON,
- PD_SCU },
- { "ca57-cpu0", 0x80, 0, R8A7796_PD_CA57_CPU0, R8A7796_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca57-cpu1", 0x80, 1, R8A7796_PD_CA57_CPU1, R8A7796_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca53-scu", 0x140, 0, R8A7796_PD_CA53_SCU, R8A7796_PD_ALWAYS_ON,
- PD_SCU },
- { "ca53-cpu0", 0x200, 0, R8A7796_PD_CA53_CPU0, R8A7796_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu1", 0x200, 1, R8A7796_PD_CA53_CPU1, R8A7796_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu2", 0x200, 2, R8A7796_PD_CA53_CPU2, R8A7796_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu3", 0x200, 3, R8A7796_PD_CA53_CPU3, R8A7796_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "cr7", 0x240, 0, R8A7796_PD_CR7, R8A7796_PD_ALWAYS_ON },
- { "a3vc", 0x380, 0, R8A7796_PD_A3VC, R8A7796_PD_ALWAYS_ON },
- { "a2vc0", 0x3c0, 0, R8A7796_PD_A2VC0, R8A7796_PD_A3VC },
- { "a2vc1", 0x3c0, 1, R8A7796_PD_A2VC1, R8A7796_PD_A3VC },
- { "3dg-a", 0x100, 0, R8A7796_PD_3DG_A, R8A7796_PD_ALWAYS_ON },
- { "3dg-b", 0x100, 1, R8A7796_PD_3DG_B, R8A7796_PD_3DG_A },
- { "a3ir", 0x180, 0, R8A7796_PD_A3IR, R8A7796_PD_ALWAYS_ON },
-};
-
-
-#ifdef CONFIG_SYSC_R8A77960
-const struct rcar_sysc_info r8a77960_sysc_info __initconst = {
- .areas = r8a7796_areas,
- .num_areas = ARRAY_SIZE(r8a7796_areas),
-};
-#endif /* CONFIG_SYSC_R8A77960 */
-
-#ifdef CONFIG_SYSC_R8A77961
-static int __init r8a77961_sysc_init(void)
-{
- rcar_sysc_nullify(r8a7796_areas, ARRAY_SIZE(r8a7796_areas),
- R8A7796_PD_A2VC0);
-
- return 0;
-}
-
-const struct rcar_sysc_info r8a77961_sysc_info __initconst = {
- .init = r8a77961_sysc_init,
- .areas = r8a7796_areas,
- .num_areas = ARRAY_SIZE(r8a7796_areas),
- .extmask_offs = 0x2f8,
- .extmask_val = BIT(0),
-};
-#endif /* CONFIG_SYSC_R8A77961 */
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car M3-N System Controller
- * Copyright (C) 2018 Jacopo Mondi <jacopo+renesas@jmondi.org>
- *
- * Based on Renesas R-Car M3-W System Controller
- * Copyright (C) 2016 Glider bvba
- */
-
-#include <linux/bits.h>
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a77965-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a77965_areas[] __initconst = {
- { "always-on", 0, 0, R8A77965_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca57-scu", 0x1c0, 0, R8A77965_PD_CA57_SCU, R8A77965_PD_ALWAYS_ON,
- PD_SCU },
- { "ca57-cpu0", 0x80, 0, R8A77965_PD_CA57_CPU0, R8A77965_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca57-cpu1", 0x80, 1, R8A77965_PD_CA57_CPU1, R8A77965_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "cr7", 0x240, 0, R8A77965_PD_CR7, R8A77965_PD_ALWAYS_ON },
- { "a3vc", 0x380, 0, R8A77965_PD_A3VC, R8A77965_PD_ALWAYS_ON },
- { "a3vp", 0x340, 0, R8A77965_PD_A3VP, R8A77965_PD_ALWAYS_ON },
- { "a2vc1", 0x3c0, 1, R8A77965_PD_A2VC1, R8A77965_PD_A3VC },
- { "3dg-a", 0x100, 0, R8A77965_PD_3DG_A, R8A77965_PD_ALWAYS_ON },
- { "3dg-b", 0x100, 1, R8A77965_PD_3DG_B, R8A77965_PD_3DG_A },
-};
-
-const struct rcar_sysc_info r8a77965_sysc_info __initconst = {
- .areas = r8a77965_areas,
- .num_areas = ARRAY_SIZE(r8a77965_areas),
- .extmask_offs = 0x2f8,
- .extmask_val = BIT(0),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car V3M System Controller
- *
- * Copyright (C) 2017 Cogent Embedded Inc.
- */
-
-#include <linux/bits.h>
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a77970-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a77970_areas[] __initconst = {
- { "always-on", 0, 0, R8A77970_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca53-scu", 0x140, 0, R8A77970_PD_CA53_SCU, R8A77970_PD_ALWAYS_ON,
- PD_SCU },
- { "ca53-cpu0", 0x200, 0, R8A77970_PD_CA53_CPU0, R8A77970_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu1", 0x200, 1, R8A77970_PD_CA53_CPU1, R8A77970_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "a3ir", 0x180, 0, R8A77970_PD_A3IR, R8A77970_PD_ALWAYS_ON },
- { "a2ir0", 0x400, 0, R8A77970_PD_A2IR0, R8A77970_PD_A3IR },
- { "a2ir1", 0x400, 1, R8A77970_PD_A2IR1, R8A77970_PD_A3IR },
- { "a2dp", 0x400, 2, R8A77970_PD_A2DP, R8A77970_PD_A3IR },
- { "a2cn", 0x400, 3, R8A77970_PD_A2CN, R8A77970_PD_A3IR },
- { "a2sc0", 0x400, 4, R8A77970_PD_A2SC0, R8A77970_PD_A3IR },
- { "a2sc1", 0x400, 5, R8A77970_PD_A2SC1, R8A77970_PD_A3IR },
-};
-
-const struct rcar_sysc_info r8a77970_sysc_info __initconst = {
- .areas = r8a77970_areas,
- .num_areas = ARRAY_SIZE(r8a77970_areas),
- .extmask_offs = 0x1b0,
- .extmask_val = BIT(0),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car V3H System Controller
- *
- * Copyright (C) 2018 Renesas Electronics Corp.
- * Copyright (C) 2018 Cogent Embedded, Inc.
- */
-
-#include <linux/bits.h>
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a77980-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a77980_areas[] __initconst = {
- { "always-on", 0, 0, R8A77980_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca53-scu", 0x140, 0, R8A77980_PD_CA53_SCU, R8A77980_PD_ALWAYS_ON,
- PD_SCU },
- { "ca53-cpu0", 0x200, 0, R8A77980_PD_CA53_CPU0, R8A77980_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu1", 0x200, 1, R8A77980_PD_CA53_CPU1, R8A77980_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu2", 0x200, 2, R8A77980_PD_CA53_CPU2, R8A77980_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu3", 0x200, 3, R8A77980_PD_CA53_CPU3, R8A77980_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "cr7", 0x240, 0, R8A77980_PD_CR7, R8A77980_PD_ALWAYS_ON },
- { "a3ir", 0x180, 0, R8A77980_PD_A3IR, R8A77980_PD_ALWAYS_ON },
- { "a2ir0", 0x400, 0, R8A77980_PD_A2IR0, R8A77980_PD_A3IR },
- { "a2ir1", 0x400, 1, R8A77980_PD_A2IR1, R8A77980_PD_A3IR },
- { "a2ir2", 0x400, 2, R8A77980_PD_A2IR2, R8A77980_PD_A3IR },
- { "a2ir3", 0x400, 3, R8A77980_PD_A2IR3, R8A77980_PD_A3IR },
- { "a2ir4", 0x400, 4, R8A77980_PD_A2IR4, R8A77980_PD_A3IR },
- { "a2ir5", 0x400, 5, R8A77980_PD_A2IR5, R8A77980_PD_A3IR },
- { "a2sc0", 0x400, 6, R8A77980_PD_A2SC0, R8A77980_PD_A3IR },
- { "a2sc1", 0x400, 7, R8A77980_PD_A2SC1, R8A77980_PD_A3IR },
- { "a2sc2", 0x400, 8, R8A77980_PD_A2SC2, R8A77980_PD_A3IR },
- { "a2sc3", 0x400, 9, R8A77980_PD_A2SC3, R8A77980_PD_A3IR },
- { "a2sc4", 0x400, 10, R8A77980_PD_A2SC4, R8A77980_PD_A3IR },
- { "a2dp0", 0x400, 11, R8A77980_PD_A2DP0, R8A77980_PD_A3IR },
- { "a2dp1", 0x400, 12, R8A77980_PD_A2DP1, R8A77980_PD_A3IR },
- { "a2cn", 0x400, 13, R8A77980_PD_A2CN, R8A77980_PD_A3IR },
- { "a3vip0", 0x2c0, 0, R8A77980_PD_A3VIP0, R8A77980_PD_ALWAYS_ON },
- { "a3vip1", 0x300, 0, R8A77980_PD_A3VIP1, R8A77980_PD_ALWAYS_ON },
- { "a3vip2", 0x280, 0, R8A77980_PD_A3VIP2, R8A77980_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a77980_sysc_info __initconst = {
- .areas = r8a77980_areas,
- .num_areas = ARRAY_SIZE(r8a77980_areas),
- .extmask_offs = 0x138,
- .extmask_val = BIT(0),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car E3 System Controller
- *
- * Copyright (C) 2018 Renesas Electronics Corp.
- */
-
-#include <linux/bits.h>
-#include <linux/kernel.h>
-#include <linux/sys_soc.h>
-
-#include <dt-bindings/power/r8a77990-sysc.h>
-
-#include "rcar-sysc.h"
-
-static struct rcar_sysc_area r8a77990_areas[] __initdata = {
- { "always-on", 0, 0, R8A77990_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca53-scu", 0x140, 0, R8A77990_PD_CA53_SCU, R8A77990_PD_ALWAYS_ON,
- PD_SCU },
- { "ca53-cpu0", 0x200, 0, R8A77990_PD_CA53_CPU0, R8A77990_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu1", 0x200, 1, R8A77990_PD_CA53_CPU1, R8A77990_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "cr7", 0x240, 0, R8A77990_PD_CR7, R8A77990_PD_ALWAYS_ON },
- { "a3vc", 0x380, 0, R8A77990_PD_A3VC, R8A77990_PD_ALWAYS_ON },
- { "a2vc1", 0x3c0, 1, R8A77990_PD_A2VC1, R8A77990_PD_A3VC },
- { "3dg-a", 0x100, 0, R8A77990_PD_3DG_A, R8A77990_PD_ALWAYS_ON },
- { "3dg-b", 0x100, 1, R8A77990_PD_3DG_B, R8A77990_PD_3DG_A },
-};
-
-/* Fixups for R-Car E3 ES1.0 revision */
-static const struct soc_device_attribute r8a77990[] __initconst = {
- { .soc_id = "r8a77990", .revision = "ES1.0" },
- { /* sentinel */ }
-};
-
-static int __init r8a77990_sysc_init(void)
-{
- if (soc_device_match(r8a77990)) {
- /* Fix incorrect 3DG hierarchy */
- swap(r8a77990_areas[7], r8a77990_areas[8]);
- r8a77990_areas[7].parent = R8A77990_PD_ALWAYS_ON;
- r8a77990_areas[8].parent = R8A77990_PD_3DG_B;
- }
-
- return 0;
-}
-
-const struct rcar_sysc_info r8a77990_sysc_info __initconst = {
- .init = r8a77990_sysc_init,
- .areas = r8a77990_areas,
- .num_areas = ARRAY_SIZE(r8a77990_areas),
- .extmask_offs = 0x2f8,
- .extmask_val = BIT(0),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car D3 System Controller
- *
- * Copyright (C) 2017 Glider bvba
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a77995-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a77995_areas[] __initconst = {
- { "always-on", 0, 0, R8A77995_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca53-scu", 0x140, 0, R8A77995_PD_CA53_SCU, R8A77995_PD_ALWAYS_ON,
- PD_SCU },
- { "ca53-cpu0", 0x200, 0, R8A77995_PD_CA53_CPU0, R8A77995_PD_CA53_SCU,
- PD_CPU_NOCR },
-};
-
-
-const struct rcar_sysc_info r8a77995_sysc_info __initconst = {
- .areas = r8a77995_areas,
- .num_areas = ARRAY_SIZE(r8a77995_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car V3U System Controller
- *
- * Copyright (C) 2020 Renesas Electronics Corp.
- */
-
-#include <linux/bits.h>
-#include <linux/clk/renesas.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/of_address.h>
-#include <linux/pm_domain.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/types.h>
-
-#include <dt-bindings/power/r8a779a0-sysc.h>
-
-#include "rcar-gen4-sysc.h"
-
-static struct rcar_gen4_sysc_area r8a779a0_areas[] __initdata = {
- { "always-on", R8A779A0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "a3e0", R8A779A0_PD_A3E0, R8A779A0_PD_ALWAYS_ON, PD_SCU },
- { "a3e1", R8A779A0_PD_A3E1, R8A779A0_PD_ALWAYS_ON, PD_SCU },
- { "a2e0d0", R8A779A0_PD_A2E0D0, R8A779A0_PD_A3E0, PD_SCU },
- { "a2e0d1", R8A779A0_PD_A2E0D1, R8A779A0_PD_A3E0, PD_SCU },
- { "a2e1d0", R8A779A0_PD_A2E1D0, R8A779A0_PD_A3E1, PD_SCU },
- { "a2e1d1", R8A779A0_PD_A2E1D1, R8A779A0_PD_A3E1, PD_SCU },
- { "a1e0d0c0", R8A779A0_PD_A1E0D0C0, R8A779A0_PD_A2E0D0, PD_CPU_NOCR },
- { "a1e0d0c1", R8A779A0_PD_A1E0D0C1, R8A779A0_PD_A2E0D0, PD_CPU_NOCR },
- { "a1e0d1c0", R8A779A0_PD_A1E0D1C0, R8A779A0_PD_A2E0D1, PD_CPU_NOCR },
- { "a1e0d1c1", R8A779A0_PD_A1E0D1C1, R8A779A0_PD_A2E0D1, PD_CPU_NOCR },
- { "a1e1d0c0", R8A779A0_PD_A1E1D0C0, R8A779A0_PD_A2E1D0, PD_CPU_NOCR },
- { "a1e1d0c1", R8A779A0_PD_A1E1D0C1, R8A779A0_PD_A2E1D0, PD_CPU_NOCR },
- { "a1e1d1c0", R8A779A0_PD_A1E1D1C0, R8A779A0_PD_A2E1D1, PD_CPU_NOCR },
- { "a1e1d1c1", R8A779A0_PD_A1E1D1C1, R8A779A0_PD_A2E1D1, PD_CPU_NOCR },
- { "3dg-a", R8A779A0_PD_3DG_A, R8A779A0_PD_ALWAYS_ON },
- { "3dg-b", R8A779A0_PD_3DG_B, R8A779A0_PD_3DG_A },
- { "a3vip0", R8A779A0_PD_A3VIP0, R8A779A0_PD_ALWAYS_ON },
- { "a3vip1", R8A779A0_PD_A3VIP1, R8A779A0_PD_ALWAYS_ON },
- { "a3vip3", R8A779A0_PD_A3VIP3, R8A779A0_PD_ALWAYS_ON },
- { "a3vip2", R8A779A0_PD_A3VIP2, R8A779A0_PD_ALWAYS_ON },
- { "a3isp01", R8A779A0_PD_A3ISP01, R8A779A0_PD_ALWAYS_ON },
- { "a3isp23", R8A779A0_PD_A3ISP23, R8A779A0_PD_ALWAYS_ON },
- { "a3ir", R8A779A0_PD_A3IR, R8A779A0_PD_ALWAYS_ON },
- { "a2cn0", R8A779A0_PD_A2CN0, R8A779A0_PD_A3IR },
- { "a2imp01", R8A779A0_PD_A2IMP01, R8A779A0_PD_A3IR },
- { "a2dp0", R8A779A0_PD_A2DP0, R8A779A0_PD_A3IR },
- { "a2cv0", R8A779A0_PD_A2CV0, R8A779A0_PD_A3IR },
- { "a2cv1", R8A779A0_PD_A2CV1, R8A779A0_PD_A3IR },
- { "a2cv4", R8A779A0_PD_A2CV4, R8A779A0_PD_A3IR },
- { "a2cv6", R8A779A0_PD_A2CV6, R8A779A0_PD_A3IR },
- { "a2cn2", R8A779A0_PD_A2CN2, R8A779A0_PD_A3IR },
- { "a2imp23", R8A779A0_PD_A2IMP23, R8A779A0_PD_A3IR },
- { "a2dp1", R8A779A0_PD_A2DP1, R8A779A0_PD_A3IR },
- { "a2cv2", R8A779A0_PD_A2CV2, R8A779A0_PD_A3IR },
- { "a2cv3", R8A779A0_PD_A2CV3, R8A779A0_PD_A3IR },
- { "a2cv5", R8A779A0_PD_A2CV5, R8A779A0_PD_A3IR },
- { "a2cv7", R8A779A0_PD_A2CV7, R8A779A0_PD_A3IR },
- { "a2cn1", R8A779A0_PD_A2CN1, R8A779A0_PD_A3IR },
- { "a1cnn0", R8A779A0_PD_A1CNN0, R8A779A0_PD_A2CN0 },
- { "a1cnn2", R8A779A0_PD_A1CNN2, R8A779A0_PD_A2CN2 },
- { "a1dsp0", R8A779A0_PD_A1DSP0, R8A779A0_PD_A2CN2 },
- { "a1cnn1", R8A779A0_PD_A1CNN1, R8A779A0_PD_A2CN1 },
- { "a1dsp1", R8A779A0_PD_A1DSP1, R8A779A0_PD_A2CN1 },
-};
-
-const struct rcar_gen4_sysc_info r8a779a0_sysc_info __initconst = {
- .areas = r8a779a0_areas,
- .num_areas = ARRAY_SIZE(r8a779a0_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car S4-8 System Controller
- *
- * Copyright (C) 2021 Renesas Electronics Corp.
- */
-
-#include <linux/bits.h>
-#include <linux/clk/renesas.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/of_address.h>
-#include <linux/pm_domain.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/types.h>
-
-#include <dt-bindings/power/r8a779f0-sysc.h>
-
-#include "rcar-gen4-sysc.h"
-
-static struct rcar_gen4_sysc_area r8a779f0_areas[] __initdata = {
- { "always-on", R8A779F0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "a3e0", R8A779F0_PD_A3E0, R8A779F0_PD_ALWAYS_ON, PD_SCU },
- { "a3e1", R8A779F0_PD_A3E1, R8A779F0_PD_ALWAYS_ON, PD_SCU },
- { "a2e0d0", R8A779F0_PD_A2E0D0, R8A779F0_PD_A3E0, PD_SCU },
- { "a2e0d1", R8A779F0_PD_A2E0D1, R8A779F0_PD_A3E0, PD_SCU },
- { "a2e1d0", R8A779F0_PD_A2E1D0, R8A779F0_PD_A3E1, PD_SCU },
- { "a2e1d1", R8A779F0_PD_A2E1D1, R8A779F0_PD_A3E1, PD_SCU },
- { "a1e0d0c0", R8A779F0_PD_A1E0D0C0, R8A779F0_PD_A2E0D0, PD_CPU_NOCR },
- { "a1e0d0c1", R8A779F0_PD_A1E0D0C1, R8A779F0_PD_A2E0D0, PD_CPU_NOCR },
- { "a1e0d1c0", R8A779F0_PD_A1E0D1C0, R8A779F0_PD_A2E0D1, PD_CPU_NOCR },
- { "a1e0d1c1", R8A779F0_PD_A1E0D1C1, R8A779F0_PD_A2E0D1, PD_CPU_NOCR },
- { "a1e1d0c0", R8A779F0_PD_A1E1D0C0, R8A779F0_PD_A2E1D0, PD_CPU_NOCR },
- { "a1e1d0c1", R8A779F0_PD_A1E1D0C1, R8A779F0_PD_A2E1D0, PD_CPU_NOCR },
- { "a1e1d1c0", R8A779F0_PD_A1E1D1C0, R8A779F0_PD_A2E1D1, PD_CPU_NOCR },
- { "a1e1d1c1", R8A779F0_PD_A1E1D1C1, R8A779F0_PD_A2E1D1, PD_CPU_NOCR },
-};
-
-const struct rcar_gen4_sysc_info r8a779f0_sysc_info __initconst = {
- .areas = r8a779f0_areas,
- .num_areas = ARRAY_SIZE(r8a779f0_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car V4H System Controller
- *
- * Copyright (C) 2022 Renesas Electronics Corp.
- */
-
-#include <linux/bits.h>
-#include <linux/clk/renesas.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/of_address.h>
-#include <linux/pm_domain.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/types.h>
-
-#include <dt-bindings/power/r8a779g0-sysc.h>
-
-#include "rcar-gen4-sysc.h"
-
-static struct rcar_gen4_sysc_area r8a779g0_areas[] __initdata = {
- { "always-on", R8A779G0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "a3e0", R8A779G0_PD_A3E0, R8A779G0_PD_ALWAYS_ON, PD_SCU },
- { "a2e0d0", R8A779G0_PD_A2E0D0, R8A779G0_PD_A3E0, PD_SCU },
- { "a2e0d1", R8A779G0_PD_A2E0D1, R8A779G0_PD_A3E0, PD_SCU },
- { "a1e0d0c0", R8A779G0_PD_A1E0D0C0, R8A779G0_PD_A2E0D0, PD_CPU_NOCR },
- { "a1e0d0c1", R8A779G0_PD_A1E0D0C1, R8A779G0_PD_A2E0D0, PD_CPU_NOCR },
- { "a1e0d1c0", R8A779G0_PD_A1E0D1C0, R8A779G0_PD_A2E0D1, PD_CPU_NOCR },
- { "a1e0d1c1", R8A779G0_PD_A1E0D1C1, R8A779G0_PD_A2E0D1, PD_CPU_NOCR },
- { "a33dga", R8A779G0_PD_A33DGA, R8A779G0_PD_ALWAYS_ON },
- { "a23dgb", R8A779G0_PD_A23DGB, R8A779G0_PD_A33DGA },
- { "a3vip0", R8A779G0_PD_A3VIP0, R8A779G0_PD_ALWAYS_ON },
- { "a3vip1", R8A779G0_PD_A3VIP1, R8A779G0_PD_ALWAYS_ON },
- { "a3vip2", R8A779G0_PD_A3VIP2, R8A779G0_PD_ALWAYS_ON },
- { "a3dul", R8A779G0_PD_A3DUL, R8A779G0_PD_ALWAYS_ON },
- { "a3isp0", R8A779G0_PD_A3ISP0, R8A779G0_PD_ALWAYS_ON },
- { "a3isp1", R8A779G0_PD_A3ISP1, R8A779G0_PD_ALWAYS_ON },
- { "a3ir", R8A779G0_PD_A3IR, R8A779G0_PD_ALWAYS_ON },
- { "a2cn0", R8A779G0_PD_A2CN0, R8A779G0_PD_A3IR },
- { "a1cnn0", R8A779G0_PD_A1CNN0, R8A779G0_PD_A2CN0 },
- { "a1dsp0", R8A779G0_PD_A1DSP0, R8A779G0_PD_A2CN0 },
- { "a1dsp1", R8A779G0_PD_A1DSP1, R8A779G0_PD_A2CN0 },
- { "a1dsp2", R8A779G0_PD_A1DSP2, R8A779G0_PD_A2CN0 },
- { "a1dsp3", R8A779G0_PD_A1DSP3, R8A779G0_PD_A2CN0 },
- { "a2imp01", R8A779G0_PD_A2IMP01, R8A779G0_PD_A3IR },
- { "a2imp23", R8A779G0_PD_A2IMP23, R8A779G0_PD_A3IR },
- { "a2psc", R8A779G0_PD_A2PSC, R8A779G0_PD_A3IR },
- { "a2dma", R8A779G0_PD_A2DMA, R8A779G0_PD_A3IR },
- { "a2cv0", R8A779G0_PD_A2CV0, R8A779G0_PD_A3IR },
- { "a2cv1", R8A779G0_PD_A2CV1, R8A779G0_PD_A3IR },
- { "a2cv2", R8A779G0_PD_A2CV2, R8A779G0_PD_A3IR },
- { "a2cv3", R8A779G0_PD_A2CV3, R8A779G0_PD_A3IR },
-};
-
-const struct rcar_gen4_sysc_info r8a779g0_sysc_info __initconst = {
- .areas = r8a779g0_areas,
- .num_areas = ARRAY_SIZE(r8a779g0_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * R-Car Gen4 SYSC Power management support
- *
- * Copyright (C) 2021 Renesas Electronics Corp.
- */
-
-#include <linux/bits.h>
-#include <linux/clk/renesas.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/of_address.h>
-#include <linux/pm_domain.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/types.h>
-
-#include "rcar-gen4-sysc.h"
-
-/* SYSC Common */
-#define SYSCSR 0x000 /* SYSC Status Register */
-#define SYSCPONSR(x) (0x800 + ((x) * 0x4)) /* Power-ON Status Register 0 */
-#define SYSCPOFFSR(x) (0x808 + ((x) * 0x4)) /* Power-OFF Status Register */
-#define SYSCISCR(x) (0x810 + ((x) * 0x4)) /* Interrupt Status/Clear Register */
-#define SYSCIER(x) (0x820 + ((x) * 0x4)) /* Interrupt Enable Register */
-#define SYSCIMR(x) (0x830 + ((x) * 0x4)) /* Interrupt Mask Register */
-
-/* Power Domain Registers */
-#define PDRSR(n) (0x1000 + ((n) * 0x40))
-#define PDRONCR(n) (0x1004 + ((n) * 0x40))
-#define PDROFFCR(n) (0x1008 + ((n) * 0x40))
-#define PDRESR(n) (0x100C + ((n) * 0x40))
-
-/* PWRON/PWROFF */
-#define PWRON_PWROFF BIT(0) /* Power-ON/OFF request */
-
-/* PDRESR */
-#define PDRESR_ERR BIT(0)
-
-/* PDRSR */
-#define PDRSR_OFF BIT(0) /* Power-OFF state */
-#define PDRSR_ON BIT(4) /* Power-ON state */
-#define PDRSR_OFF_STATE BIT(8) /* Processing Power-OFF sequence */
-#define PDRSR_ON_STATE BIT(12) /* Processing Power-ON sequence */
-
-#define SYSCSR_BUSY GENMASK(1, 0) /* All bit sets is not busy */
-
-#define SYSCSR_TIMEOUT 10000
-#define SYSCSR_DELAY_US 10
-
-#define PDRESR_RETRIES 1000
-#define PDRESR_DELAY_US 10
-
-#define SYSCISR_TIMEOUT 10000
-#define SYSCISR_DELAY_US 10
-
-#define RCAR_GEN4_PD_ALWAYS_ON 64
-#define NUM_DOMAINS_EACH_REG BITS_PER_TYPE(u32)
-
-static void __iomem *rcar_gen4_sysc_base;
-static DEFINE_SPINLOCK(rcar_gen4_sysc_lock); /* SMP CPUs + I/O devices */
-
-static int rcar_gen4_sysc_pwr_on_off(u8 pdr, bool on)
-{
- unsigned int reg_offs;
- u32 val;
- int ret;
-
- if (on)
- reg_offs = PDRONCR(pdr);
- else
- reg_offs = PDROFFCR(pdr);
-
- /* Wait until SYSC is ready to accept a power request */
- ret = readl_poll_timeout_atomic(rcar_gen4_sysc_base + SYSCSR, val,
- (val & SYSCSR_BUSY) == SYSCSR_BUSY,
- SYSCSR_DELAY_US, SYSCSR_TIMEOUT);
- if (ret < 0)
- return -EAGAIN;
-
- /* Submit power shutoff or power resume request */
- iowrite32(PWRON_PWROFF, rcar_gen4_sysc_base + reg_offs);
-
- return 0;
-}
-
-static int clear_irq_flags(unsigned int reg_idx, unsigned int isr_mask)
-{
- u32 val;
- int ret;
-
- iowrite32(isr_mask, rcar_gen4_sysc_base + SYSCISCR(reg_idx));
-
- ret = readl_poll_timeout_atomic(rcar_gen4_sysc_base + SYSCISCR(reg_idx),
- val, !(val & isr_mask),
- SYSCISR_DELAY_US, SYSCISR_TIMEOUT);
- if (ret < 0) {
- pr_err("\n %s : Can not clear IRQ flags in SYSCISCR", __func__);
- return -EIO;
- }
-
- return 0;
-}
-
-static int rcar_gen4_sysc_power(u8 pdr, bool on)
-{
- unsigned int isr_mask;
- unsigned int reg_idx, bit_idx;
- unsigned int status;
- unsigned long flags;
- int ret = 0;
- u32 val;
- int k;
-
- spin_lock_irqsave(&rcar_gen4_sysc_lock, flags);
-
- reg_idx = pdr / NUM_DOMAINS_EACH_REG;
- bit_idx = pdr % NUM_DOMAINS_EACH_REG;
-
- isr_mask = BIT(bit_idx);
-
- /*
- * The interrupt source needs to be enabled, but masked, to prevent the
- * CPU from receiving it.
- */
- iowrite32(ioread32(rcar_gen4_sysc_base + SYSCIER(reg_idx)) | isr_mask,
- rcar_gen4_sysc_base + SYSCIER(reg_idx));
- iowrite32(ioread32(rcar_gen4_sysc_base + SYSCIMR(reg_idx)) | isr_mask,
- rcar_gen4_sysc_base + SYSCIMR(reg_idx));
-
- ret = clear_irq_flags(reg_idx, isr_mask);
- if (ret)
- goto out;
-
- /* Submit power shutoff or resume request until it was accepted */
- for (k = 0; k < PDRESR_RETRIES; k++) {
- ret = rcar_gen4_sysc_pwr_on_off(pdr, on);
- if (ret)
- goto out;
-
- status = ioread32(rcar_gen4_sysc_base + PDRESR(pdr));
- if (!(status & PDRESR_ERR))
- break;
-
- udelay(PDRESR_DELAY_US);
- }
-
- if (k == PDRESR_RETRIES) {
- ret = -EIO;
- goto out;
- }
-
- /* Wait until the power shutoff or resume request has completed * */
- ret = readl_poll_timeout_atomic(rcar_gen4_sysc_base + SYSCISCR(reg_idx),
- val, (val & isr_mask),
- SYSCISR_DELAY_US, SYSCISR_TIMEOUT);
- if (ret < 0) {
- ret = -EIO;
- goto out;
- }
-
- /* Clear interrupt flags */
- ret = clear_irq_flags(reg_idx, isr_mask);
- if (ret)
- goto out;
-
- out:
- spin_unlock_irqrestore(&rcar_gen4_sysc_lock, flags);
-
- pr_debug("sysc power %s domain %d: %08x -> %d\n", on ? "on" : "off",
- pdr, ioread32(rcar_gen4_sysc_base + SYSCISCR(reg_idx)), ret);
- return ret;
-}
-
-static bool rcar_gen4_sysc_power_is_off(u8 pdr)
-{
- unsigned int st;
-
- st = ioread32(rcar_gen4_sysc_base + PDRSR(pdr));
-
- if (st & PDRSR_OFF)
- return true;
-
- return false;
-}
-
-struct rcar_gen4_sysc_pd {
- struct generic_pm_domain genpd;
- u8 pdr;
- unsigned int flags;
- char name[];
-};
-
-static inline struct rcar_gen4_sysc_pd *to_rcar_gen4_pd(struct generic_pm_domain *d)
-{
- return container_of(d, struct rcar_gen4_sysc_pd, genpd);
-}
-
-static int rcar_gen4_sysc_pd_power_off(struct generic_pm_domain *genpd)
-{
- struct rcar_gen4_sysc_pd *pd = to_rcar_gen4_pd(genpd);
-
- pr_debug("%s: %s\n", __func__, genpd->name);
- return rcar_gen4_sysc_power(pd->pdr, false);
-}
-
-static int rcar_gen4_sysc_pd_power_on(struct generic_pm_domain *genpd)
-{
- struct rcar_gen4_sysc_pd *pd = to_rcar_gen4_pd(genpd);
-
- pr_debug("%s: %s\n", __func__, genpd->name);
- return rcar_gen4_sysc_power(pd->pdr, true);
-}
-
-static int __init rcar_gen4_sysc_pd_setup(struct rcar_gen4_sysc_pd *pd)
-{
- struct generic_pm_domain *genpd = &pd->genpd;
- const char *name = pd->genpd.name;
- int error;
-
- if (pd->flags & PD_CPU) {
- /*
- * This domain contains a CPU core and therefore it should
- * only be turned off if the CPU is not in use.
- */
- pr_debug("PM domain %s contains %s\n", name, "CPU");
- genpd->flags |= GENPD_FLAG_ALWAYS_ON;
- } else if (pd->flags & PD_SCU) {
- /*
- * This domain contains an SCU and cache-controller, and
- * therefore it should only be turned off if the CPU cores are
- * not in use.
- */
- pr_debug("PM domain %s contains %s\n", name, "SCU");
- genpd->flags |= GENPD_FLAG_ALWAYS_ON;
- } else if (pd->flags & PD_NO_CR) {
- /*
- * This domain cannot be turned off.
- */
- genpd->flags |= GENPD_FLAG_ALWAYS_ON;
- }
-
- if (!(pd->flags & (PD_CPU | PD_SCU))) {
- /* Enable Clock Domain for I/O devices */
- genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
- genpd->attach_dev = cpg_mssr_attach_dev;
- genpd->detach_dev = cpg_mssr_detach_dev;
- }
-
- genpd->power_off = rcar_gen4_sysc_pd_power_off;
- genpd->power_on = rcar_gen4_sysc_pd_power_on;
-
- if (pd->flags & (PD_CPU | PD_NO_CR)) {
- /* Skip CPUs (handled by SMP code) and areas without control */
- pr_debug("%s: Not touching %s\n", __func__, genpd->name);
- goto finalize;
- }
-
- if (!rcar_gen4_sysc_power_is_off(pd->pdr)) {
- pr_debug("%s: %s is already powered\n", __func__, genpd->name);
- goto finalize;
- }
-
- rcar_gen4_sysc_power(pd->pdr, true);
-
-finalize:
- error = pm_genpd_init(genpd, &simple_qos_governor, false);
- if (error)
- pr_err("Failed to init PM domain %s: %d\n", name, error);
-
- return error;
-}
-
-static const struct of_device_id rcar_gen4_sysc_matches[] __initconst = {
-#ifdef CONFIG_SYSC_R8A779A0
- { .compatible = "renesas,r8a779a0-sysc", .data = &r8a779a0_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A779F0
- { .compatible = "renesas,r8a779f0-sysc", .data = &r8a779f0_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A779G0
- { .compatible = "renesas,r8a779g0-sysc", .data = &r8a779g0_sysc_info },
-#endif
- { /* sentinel */ }
-};
-
-struct rcar_gen4_pm_domains {
- struct genpd_onecell_data onecell_data;
- struct generic_pm_domain *domains[RCAR_GEN4_PD_ALWAYS_ON + 1];
-};
-
-static struct genpd_onecell_data *rcar_gen4_sysc_onecell_data;
-
-static int __init rcar_gen4_sysc_pd_init(void)
-{
- const struct rcar_gen4_sysc_info *info;
- const struct of_device_id *match;
- struct rcar_gen4_pm_domains *domains;
- struct device_node *np;
- void __iomem *base;
- unsigned int i;
- int error;
-
- np = of_find_matching_node_and_match(NULL, rcar_gen4_sysc_matches, &match);
- if (!np)
- return -ENODEV;
-
- info = match->data;
-
- base = of_iomap(np, 0);
- if (!base) {
- pr_warn("%pOF: Cannot map regs\n", np);
- error = -ENOMEM;
- goto out_put;
- }
-
- rcar_gen4_sysc_base = base;
-
- domains = kzalloc(sizeof(*domains), GFP_KERNEL);
- if (!domains) {
- error = -ENOMEM;
- goto out_put;
- }
-
- domains->onecell_data.domains = domains->domains;
- domains->onecell_data.num_domains = ARRAY_SIZE(domains->domains);
- rcar_gen4_sysc_onecell_data = &domains->onecell_data;
-
- for (i = 0; i < info->num_areas; i++) {
- const struct rcar_gen4_sysc_area *area = &info->areas[i];
- struct rcar_gen4_sysc_pd *pd;
- size_t n;
-
- if (!area->name) {
- /* Skip NULLified area */
- continue;
- }
-
- n = strlen(area->name) + 1;
- pd = kzalloc(sizeof(*pd) + n, GFP_KERNEL);
- if (!pd) {
- error = -ENOMEM;
- goto out_put;
- }
-
- memcpy(pd->name, area->name, n);
- pd->genpd.name = pd->name;
- pd->pdr = area->pdr;
- pd->flags = area->flags;
-
- error = rcar_gen4_sysc_pd_setup(pd);
- if (error)
- goto out_put;
-
- domains->domains[area->pdr] = &pd->genpd;
-
- if (area->parent < 0)
- continue;
-
- error = pm_genpd_add_subdomain(domains->domains[area->parent],
- &pd->genpd);
- if (error) {
- pr_warn("Failed to add PM subdomain %s to parent %u\n",
- area->name, area->parent);
- goto out_put;
- }
- }
-
- error = of_genpd_add_provider_onecell(np, &domains->onecell_data);
-
-out_put:
- of_node_put(np);
- return error;
-}
-early_initcall(rcar_gen4_sysc_pd_init);
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * R-Car Gen4 System Controller
- *
- * Copyright (C) 2021 Renesas Electronics Corp.
- */
-#ifndef __SOC_RENESAS_RCAR_GEN4_SYSC_H__
-#define __SOC_RENESAS_RCAR_GEN4_SYSC_H__
-
-#include <linux/types.h>
-
-/*
- * Power Domain flags
- */
-#define PD_CPU BIT(0) /* Area contains main CPU core */
-#define PD_SCU BIT(1) /* Area contains SCU and L2 cache */
-#define PD_NO_CR BIT(2) /* Area lacks PWR{ON,OFF}CR registers */
-
-#define PD_CPU_NOCR (PD_CPU | PD_NO_CR) /* CPU area lacks CR */
-#define PD_ALWAYS_ON PD_NO_CR /* Always-on area */
-
-/*
- * Description of a Power Area
- */
-struct rcar_gen4_sysc_area {
- const char *name;
- u8 pdr; /* PDRn */
- s8 parent; /* -1 if none */
- u8 flags; /* See PD_* */
-};
-
-/*
- * SoC-specific Power Area Description
- */
-struct rcar_gen4_sysc_info {
- const struct rcar_gen4_sysc_area *areas;
- unsigned int num_areas;
-};
-
-extern const struct rcar_gen4_sysc_info r8a779a0_sysc_info;
-extern const struct rcar_gen4_sysc_info r8a779f0_sysc_info;
-extern const struct rcar_gen4_sysc_info r8a779g0_sysc_info;
-
-#endif /* __SOC_RENESAS_RCAR_GEN4_SYSC_H__ */
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * R-Car SYSC Power management support
- *
- * Copyright (C) 2014 Magnus Damm
- * Copyright (C) 2015-2017 Glider bvba
- */
-
-#include <linux/clk/renesas.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/mm.h>
-#include <linux/of_address.h>
-#include <linux/pm_domain.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/soc/renesas/rcar-sysc.h>
-
-#include "rcar-sysc.h"
-
-/* SYSC Common */
-#define SYSCSR 0x00 /* SYSC Status Register */
-#define SYSCISR 0x04 /* Interrupt Status Register */
-#define SYSCISCR 0x08 /* Interrupt Status Clear Register */
-#define SYSCIER 0x0c /* Interrupt Enable Register */
-#define SYSCIMR 0x10 /* Interrupt Mask Register */
-
-/* SYSC Status Register */
-#define SYSCSR_PONENB 1 /* Ready for power resume requests */
-#define SYSCSR_POFFENB 0 /* Ready for power shutoff requests */
-
-/*
- * Power Control Register Offsets inside the register block for each domain
- * Note: The "CR" registers for ARM cores exist on H1 only
- * Use WFI to power off, CPG/APMU to resume ARM cores on R-Car Gen2
- * Use PSCI on R-Car Gen3
- */
-#define PWRSR_OFFS 0x00 /* Power Status Register */
-#define PWROFFCR_OFFS 0x04 /* Power Shutoff Control Register */
-#define PWROFFSR_OFFS 0x08 /* Power Shutoff Status Register */
-#define PWRONCR_OFFS 0x0c /* Power Resume Control Register */
-#define PWRONSR_OFFS 0x10 /* Power Resume Status Register */
-#define PWRER_OFFS 0x14 /* Power Shutoff/Resume Error */
-
-
-#define SYSCSR_TIMEOUT 100
-#define SYSCSR_DELAY_US 1
-
-#define PWRER_RETRIES 100
-#define PWRER_DELAY_US 1
-
-#define SYSCISR_TIMEOUT 1000
-#define SYSCISR_DELAY_US 1
-
-#define RCAR_PD_ALWAYS_ON 32 /* Always-on power area */
-
-struct rcar_sysc_ch {
- u16 chan_offs;
- u8 chan_bit;
- u8 isr_bit;
-};
-
-static void __iomem *rcar_sysc_base;
-static DEFINE_SPINLOCK(rcar_sysc_lock); /* SMP CPUs + I/O devices */
-static u32 rcar_sysc_extmask_offs, rcar_sysc_extmask_val;
-
-static int rcar_sysc_pwr_on_off(const struct rcar_sysc_ch *sysc_ch, bool on)
-{
- unsigned int sr_bit, reg_offs;
- u32 val;
- int ret;
-
- if (on) {
- sr_bit = SYSCSR_PONENB;
- reg_offs = PWRONCR_OFFS;
- } else {
- sr_bit = SYSCSR_POFFENB;
- reg_offs = PWROFFCR_OFFS;
- }
-
- /* Wait until SYSC is ready to accept a power request */
- ret = readl_poll_timeout_atomic(rcar_sysc_base + SYSCSR, val,
- val & BIT(sr_bit), SYSCSR_DELAY_US,
- SYSCSR_TIMEOUT);
- if (ret)
- return -EAGAIN;
-
- /* Submit power shutoff or power resume request */
- iowrite32(BIT(sysc_ch->chan_bit),
- rcar_sysc_base + sysc_ch->chan_offs + reg_offs);
-
- return 0;
-}
-
-static int rcar_sysc_power(const struct rcar_sysc_ch *sysc_ch, bool on)
-{
- unsigned int isr_mask = BIT(sysc_ch->isr_bit);
- unsigned int chan_mask = BIT(sysc_ch->chan_bit);
- unsigned int status, k;
- unsigned long flags;
- int ret;
-
- spin_lock_irqsave(&rcar_sysc_lock, flags);
-
- /*
- * Mask external power requests for CPU or 3DG domains
- */
- if (rcar_sysc_extmask_val) {
- iowrite32(rcar_sysc_extmask_val,
- rcar_sysc_base + rcar_sysc_extmask_offs);
- }
-
- /*
- * The interrupt source needs to be enabled, but masked, to prevent the
- * CPU from receiving it.
- */
- iowrite32(ioread32(rcar_sysc_base + SYSCIMR) | isr_mask,
- rcar_sysc_base + SYSCIMR);
- iowrite32(ioread32(rcar_sysc_base + SYSCIER) | isr_mask,
- rcar_sysc_base + SYSCIER);
-
- iowrite32(isr_mask, rcar_sysc_base + SYSCISCR);
-
- /* Submit power shutoff or resume request until it was accepted */
- for (k = 0; k < PWRER_RETRIES; k++) {
- ret = rcar_sysc_pwr_on_off(sysc_ch, on);
- if (ret)
- goto out;
-
- status = ioread32(rcar_sysc_base +
- sysc_ch->chan_offs + PWRER_OFFS);
- if (!(status & chan_mask))
- break;
-
- udelay(PWRER_DELAY_US);
- }
-
- if (k == PWRER_RETRIES) {
- ret = -EIO;
- goto out;
- }
-
- /* Wait until the power shutoff or resume request has completed * */
- ret = readl_poll_timeout_atomic(rcar_sysc_base + SYSCISR, status,
- status & isr_mask, SYSCISR_DELAY_US,
- SYSCISR_TIMEOUT);
- if (ret)
- ret = -EIO;
-
- iowrite32(isr_mask, rcar_sysc_base + SYSCISCR);
-
- out:
- if (rcar_sysc_extmask_val)
- iowrite32(0, rcar_sysc_base + rcar_sysc_extmask_offs);
-
- spin_unlock_irqrestore(&rcar_sysc_lock, flags);
-
- pr_debug("sysc power %s domain %d: %08x -> %d\n", on ? "on" : "off",
- sysc_ch->isr_bit, ioread32(rcar_sysc_base + SYSCISR), ret);
- return ret;
-}
-
-static bool rcar_sysc_power_is_off(const struct rcar_sysc_ch *sysc_ch)
-{
- unsigned int st;
-
- st = ioread32(rcar_sysc_base + sysc_ch->chan_offs + PWRSR_OFFS);
- if (st & BIT(sysc_ch->chan_bit))
- return true;
-
- return false;
-}
-
-struct rcar_sysc_pd {
- struct generic_pm_domain genpd;
- struct rcar_sysc_ch ch;
- unsigned int flags;
- char name[];
-};
-
-static inline struct rcar_sysc_pd *to_rcar_pd(struct generic_pm_domain *d)
-{
- return container_of(d, struct rcar_sysc_pd, genpd);
-}
-
-static int rcar_sysc_pd_power_off(struct generic_pm_domain *genpd)
-{
- struct rcar_sysc_pd *pd = to_rcar_pd(genpd);
-
- pr_debug("%s: %s\n", __func__, genpd->name);
- return rcar_sysc_power(&pd->ch, false);
-}
-
-static int rcar_sysc_pd_power_on(struct generic_pm_domain *genpd)
-{
- struct rcar_sysc_pd *pd = to_rcar_pd(genpd);
-
- pr_debug("%s: %s\n", __func__, genpd->name);
- return rcar_sysc_power(&pd->ch, true);
-}
-
-static bool has_cpg_mstp;
-
-static int __init rcar_sysc_pd_setup(struct rcar_sysc_pd *pd)
-{
- struct generic_pm_domain *genpd = &pd->genpd;
- const char *name = pd->genpd.name;
- int error;
-
- if (pd->flags & PD_CPU) {
- /*
- * This domain contains a CPU core and therefore it should
- * only be turned off if the CPU is not in use.
- */
- pr_debug("PM domain %s contains %s\n", name, "CPU");
- genpd->flags |= GENPD_FLAG_ALWAYS_ON;
- } else if (pd->flags & PD_SCU) {
- /*
- * This domain contains an SCU and cache-controller, and
- * therefore it should only be turned off if the CPU cores are
- * not in use.
- */
- pr_debug("PM domain %s contains %s\n", name, "SCU");
- genpd->flags |= GENPD_FLAG_ALWAYS_ON;
- } else if (pd->flags & PD_NO_CR) {
- /*
- * This domain cannot be turned off.
- */
- genpd->flags |= GENPD_FLAG_ALWAYS_ON;
- }
-
- if (!(pd->flags & (PD_CPU | PD_SCU))) {
- /* Enable Clock Domain for I/O devices */
- genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
- if (has_cpg_mstp) {
- genpd->attach_dev = cpg_mstp_attach_dev;
- genpd->detach_dev = cpg_mstp_detach_dev;
- } else {
- genpd->attach_dev = cpg_mssr_attach_dev;
- genpd->detach_dev = cpg_mssr_detach_dev;
- }
- }
-
- genpd->power_off = rcar_sysc_pd_power_off;
- genpd->power_on = rcar_sysc_pd_power_on;
-
- if (pd->flags & (PD_CPU | PD_NO_CR)) {
- /* Skip CPUs (handled by SMP code) and areas without control */
- pr_debug("%s: Not touching %s\n", __func__, genpd->name);
- goto finalize;
- }
-
- if (!rcar_sysc_power_is_off(&pd->ch)) {
- pr_debug("%s: %s is already powered\n", __func__, genpd->name);
- goto finalize;
- }
-
- rcar_sysc_power(&pd->ch, true);
-
-finalize:
- error = pm_genpd_init(genpd, &simple_qos_governor, false);
- if (error)
- pr_err("Failed to init PM domain %s: %d\n", name, error);
-
- return error;
-}
-
-static const struct of_device_id rcar_sysc_matches[] __initconst = {
-#ifdef CONFIG_SYSC_R8A7742
- { .compatible = "renesas,r8a7742-sysc", .data = &r8a7742_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A7743
- { .compatible = "renesas,r8a7743-sysc", .data = &r8a7743_sysc_info },
- /* RZ/G1N is identical to RZ/G2M w.r.t. power domains. */
- { .compatible = "renesas,r8a7744-sysc", .data = &r8a7743_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A7745
- { .compatible = "renesas,r8a7745-sysc", .data = &r8a7745_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A77470
- { .compatible = "renesas,r8a77470-sysc", .data = &r8a77470_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A774A1
- { .compatible = "renesas,r8a774a1-sysc", .data = &r8a774a1_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A774B1
- { .compatible = "renesas,r8a774b1-sysc", .data = &r8a774b1_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A774C0
- { .compatible = "renesas,r8a774c0-sysc", .data = &r8a774c0_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A774E1
- { .compatible = "renesas,r8a774e1-sysc", .data = &r8a774e1_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A7779
- { .compatible = "renesas,r8a7779-sysc", .data = &r8a7779_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A7790
- { .compatible = "renesas,r8a7790-sysc", .data = &r8a7790_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A7791
- { .compatible = "renesas,r8a7791-sysc", .data = &r8a7791_sysc_info },
- /* R-Car M2-N is identical to R-Car M2-W w.r.t. power domains. */
- { .compatible = "renesas,r8a7793-sysc", .data = &r8a7791_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A7792
- { .compatible = "renesas,r8a7792-sysc", .data = &r8a7792_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A7794
- { .compatible = "renesas,r8a7794-sysc", .data = &r8a7794_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A7795
- { .compatible = "renesas,r8a7795-sysc", .data = &r8a7795_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A77960
- { .compatible = "renesas,r8a7796-sysc", .data = &r8a77960_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A77961
- { .compatible = "renesas,r8a77961-sysc", .data = &r8a77961_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A77965
- { .compatible = "renesas,r8a77965-sysc", .data = &r8a77965_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A77970
- { .compatible = "renesas,r8a77970-sysc", .data = &r8a77970_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A77980
- { .compatible = "renesas,r8a77980-sysc", .data = &r8a77980_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A77990
- { .compatible = "renesas,r8a77990-sysc", .data = &r8a77990_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A77995
- { .compatible = "renesas,r8a77995-sysc", .data = &r8a77995_sysc_info },
-#endif
- { /* sentinel */ }
-};
-
-struct rcar_pm_domains {
- struct genpd_onecell_data onecell_data;
- struct generic_pm_domain *domains[RCAR_PD_ALWAYS_ON + 1];
-};
-
-static struct genpd_onecell_data *rcar_sysc_onecell_data;
-
-static int __init rcar_sysc_pd_init(void)
-{
- const struct rcar_sysc_info *info;
- const struct of_device_id *match;
- struct rcar_pm_domains *domains;
- struct device_node *np;
- void __iomem *base;
- unsigned int i;
- int error;
-
- np = of_find_matching_node_and_match(NULL, rcar_sysc_matches, &match);
- if (!np)
- return -ENODEV;
-
- info = match->data;
-
- if (info->init) {
- error = info->init();
- if (error)
- goto out_put;
- }
-
- has_cpg_mstp = of_find_compatible_node(NULL, NULL,
- "renesas,cpg-mstp-clocks");
-
- base = of_iomap(np, 0);
- if (!base) {
- pr_warn("%pOF: Cannot map regs\n", np);
- error = -ENOMEM;
- goto out_put;
- }
-
- rcar_sysc_base = base;
-
- /* Optional External Request Mask Register */
- rcar_sysc_extmask_offs = info->extmask_offs;
- rcar_sysc_extmask_val = info->extmask_val;
-
- domains = kzalloc(sizeof(*domains), GFP_KERNEL);
- if (!domains) {
- error = -ENOMEM;
- goto out_put;
- }
-
- domains->onecell_data.domains = domains->domains;
- domains->onecell_data.num_domains = ARRAY_SIZE(domains->domains);
- rcar_sysc_onecell_data = &domains->onecell_data;
-
- for (i = 0; i < info->num_areas; i++) {
- const struct rcar_sysc_area *area = &info->areas[i];
- struct rcar_sysc_pd *pd;
- size_t n;
-
- if (!area->name) {
- /* Skip NULLified area */
- continue;
- }
-
- n = strlen(area->name) + 1;
- pd = kzalloc(sizeof(*pd) + n, GFP_KERNEL);
- if (!pd) {
- error = -ENOMEM;
- goto out_put;
- }
-
- memcpy(pd->name, area->name, n);
- pd->genpd.name = pd->name;
- pd->ch.chan_offs = area->chan_offs;
- pd->ch.chan_bit = area->chan_bit;
- pd->ch.isr_bit = area->isr_bit;
- pd->flags = area->flags;
-
- error = rcar_sysc_pd_setup(pd);
- if (error)
- goto out_put;
-
- domains->domains[area->isr_bit] = &pd->genpd;
-
- if (area->parent < 0)
- continue;
-
- error = pm_genpd_add_subdomain(domains->domains[area->parent],
- &pd->genpd);
- if (error) {
- pr_warn("Failed to add PM subdomain %s to parent %u\n",
- area->name, area->parent);
- goto out_put;
- }
- }
-
- error = of_genpd_add_provider_onecell(np, &domains->onecell_data);
- if (!error)
- fwnode_dev_initialized(of_fwnode_handle(np), true);
-
-out_put:
- of_node_put(np);
- return error;
-}
-early_initcall(rcar_sysc_pd_init);
-
-void __init rcar_sysc_nullify(struct rcar_sysc_area *areas,
- unsigned int num_areas, u8 id)
-{
- unsigned int i;
-
- for (i = 0; i < num_areas; i++)
- if (areas[i].isr_bit == id) {
- areas[i].name = NULL;
- return;
- }
-}
-
-#ifdef CONFIG_ARCH_R8A7779
-static int rcar_sysc_power_cpu(unsigned int idx, bool on)
-{
- struct generic_pm_domain *genpd;
- struct rcar_sysc_pd *pd;
- unsigned int i;
-
- if (!rcar_sysc_onecell_data)
- return -ENODEV;
-
- for (i = 0; i < rcar_sysc_onecell_data->num_domains; i++) {
- genpd = rcar_sysc_onecell_data->domains[i];
- if (!genpd)
- continue;
-
- pd = to_rcar_pd(genpd);
- if (!(pd->flags & PD_CPU) || pd->ch.chan_bit != idx)
- continue;
-
- return rcar_sysc_power(&pd->ch, on);
- }
-
- return -ENOENT;
-}
-
-int rcar_sysc_power_down_cpu(unsigned int cpu)
-{
- return rcar_sysc_power_cpu(cpu, false);
-}
-
-int rcar_sysc_power_up_cpu(unsigned int cpu)
-{
- return rcar_sysc_power_cpu(cpu, true);
-}
-#endif /* CONFIG_ARCH_R8A7779 */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Renesas R-Car System Controller
- *
- * Copyright (C) 2016 Glider bvba
- */
-#ifndef __SOC_RENESAS_RCAR_SYSC_H__
-#define __SOC_RENESAS_RCAR_SYSC_H__
-
-#include <linux/types.h>
-
-
-/*
- * Power Domain flags
- */
-#define PD_CPU BIT(0) /* Area contains main CPU core */
-#define PD_SCU BIT(1) /* Area contains SCU and L2 cache */
-#define PD_NO_CR BIT(2) /* Area lacks PWR{ON,OFF}CR registers */
-
-#define PD_CPU_CR PD_CPU /* CPU area has CR (R-Car H1) */
-#define PD_CPU_NOCR PD_CPU | PD_NO_CR /* CPU area lacks CR (R-Car Gen2/3) */
-#define PD_ALWAYS_ON PD_NO_CR /* Always-on area */
-
-
-/*
- * Description of a Power Area
- */
-
-struct rcar_sysc_area {
- const char *name;
- u16 chan_offs; /* Offset of PWRSR register for this area */
- u8 chan_bit; /* Bit in PWR* (except for PWRUP in PWRSR) */
- u8 isr_bit; /* Bit in SYSCI*R */
- s8 parent; /* -1 if none */
- u8 flags; /* See PD_* */
-};
-
-
-/*
- * SoC-specific Power Area Description
- */
-
-struct rcar_sysc_info {
- int (*init)(void); /* Optional */
- const struct rcar_sysc_area *areas;
- unsigned int num_areas;
- /* Optional External Request Mask Register */
- u32 extmask_offs; /* SYSCEXTMASK register offset */
- u32 extmask_val; /* SYSCEXTMASK register mask value */
-};
-
-extern const struct rcar_sysc_info r8a7742_sysc_info;
-extern const struct rcar_sysc_info r8a7743_sysc_info;
-extern const struct rcar_sysc_info r8a7745_sysc_info;
-extern const struct rcar_sysc_info r8a77470_sysc_info;
-extern const struct rcar_sysc_info r8a774a1_sysc_info;
-extern const struct rcar_sysc_info r8a774b1_sysc_info;
-extern const struct rcar_sysc_info r8a774c0_sysc_info;
-extern const struct rcar_sysc_info r8a774e1_sysc_info;
-extern const struct rcar_sysc_info r8a7779_sysc_info;
-extern const struct rcar_sysc_info r8a7790_sysc_info;
-extern const struct rcar_sysc_info r8a7791_sysc_info;
-extern const struct rcar_sysc_info r8a7792_sysc_info;
-extern const struct rcar_sysc_info r8a7794_sysc_info;
-extern struct rcar_sysc_info r8a7795_sysc_info;
-extern const struct rcar_sysc_info r8a77960_sysc_info;
-extern const struct rcar_sysc_info r8a77961_sysc_info;
-extern const struct rcar_sysc_info r8a77965_sysc_info;
-extern const struct rcar_sysc_info r8a77970_sysc_info;
-extern const struct rcar_sysc_info r8a77980_sysc_info;
-extern const struct rcar_sysc_info r8a77990_sysc_info;
-extern const struct rcar_sysc_info r8a77995_sysc_info;
-
-
- /*
- * Helpers for fixing up power area tables depending on SoC revision
- */
-
-extern void rcar_sysc_nullify(struct rcar_sysc_area *areas,
- unsigned int num_areas, u8 id);
-
-#endif /* __SOC_RENESAS_RCAR_SYSC_H__ */
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * rmobile power management support
- *
- * Copyright (C) 2012 Renesas Solutions Corp.
- * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
- * Copyright (C) 2014 Glider bvba
- *
- * based on pm-sh7372.c
- * Copyright (C) 2011 Magnus Damm
- */
-#include <linux/clk/renesas.h>
-#include <linux/console.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/pm.h>
-#include <linux/pm_clock.h>
-#include <linux/pm_domain.h>
-#include <linux/slab.h>
-
-/* SYSC */
-#define SPDCR 0x08 /* SYS Power Down Control Register */
-#define SWUCR 0x14 /* SYS Wakeup Control Register */
-#define PSTR 0x80 /* Power Status Register */
-
-#define PSTR_RETRIES 100
-#define PSTR_DELAY_US 10
-
-struct rmobile_pm_domain {
- struct generic_pm_domain genpd;
- struct dev_power_governor *gov;
- int (*suspend)(void);
- void __iomem *base;
- unsigned int bit_shift;
-};
-
-static inline
-struct rmobile_pm_domain *to_rmobile_pd(struct generic_pm_domain *d)
-{
- return container_of(d, struct rmobile_pm_domain, genpd);
-}
-
-static int rmobile_pd_power_down(struct generic_pm_domain *genpd)
-{
- struct rmobile_pm_domain *rmobile_pd = to_rmobile_pd(genpd);
- unsigned int mask = BIT(rmobile_pd->bit_shift);
- u32 val;
-
- if (rmobile_pd->suspend) {
- int ret = rmobile_pd->suspend();
-
- if (ret)
- return ret;
- }
-
- if (readl(rmobile_pd->base + PSTR) & mask) {
- writel(mask, rmobile_pd->base + SPDCR);
-
- readl_poll_timeout_atomic(rmobile_pd->base + SPDCR, val,
- !(val & mask), 0, PSTR_RETRIES);
- }
-
- pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n", genpd->name, mask,
- readl(rmobile_pd->base + PSTR));
-
- return 0;
-}
-
-static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd)
-{
- unsigned int val, mask = BIT(rmobile_pd->bit_shift);
- int ret = 0;
-
- if (readl(rmobile_pd->base + PSTR) & mask)
- return ret;
-
- writel(mask, rmobile_pd->base + SWUCR);
-
- ret = readl_poll_timeout_atomic(rmobile_pd->base + SWUCR, val,
- (val & mask), PSTR_DELAY_US,
- PSTR_RETRIES * PSTR_DELAY_US);
-
- pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n",
- rmobile_pd->genpd.name, mask,
- readl(rmobile_pd->base + PSTR));
-
- return ret;
-}
-
-static int rmobile_pd_power_up(struct generic_pm_domain *genpd)
-{
- return __rmobile_pd_power_up(to_rmobile_pd(genpd));
-}
-
-static void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd)
-{
- struct generic_pm_domain *genpd = &rmobile_pd->genpd;
- struct dev_power_governor *gov = rmobile_pd->gov;
-
- genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
- genpd->attach_dev = cpg_mstp_attach_dev;
- genpd->detach_dev = cpg_mstp_detach_dev;
-
- if (!(genpd->flags & GENPD_FLAG_ALWAYS_ON)) {
- genpd->power_off = rmobile_pd_power_down;
- genpd->power_on = rmobile_pd_power_up;
- __rmobile_pd_power_up(rmobile_pd);
- }
-
- pm_genpd_init(genpd, gov ? : &simple_qos_governor, false);
-}
-
-static int rmobile_pd_suspend_console(void)
-{
- /*
- * Serial consoles make use of SCIF hardware located in this domain,
- * hence keep the power domain on if "no_console_suspend" is set.
- */
- return console_suspend_enabled ? 0 : -EBUSY;
-}
-
-enum pd_types {
- PD_NORMAL,
- PD_CPU,
- PD_CONSOLE,
- PD_DEBUG,
- PD_MEMCTL,
-};
-
-#define MAX_NUM_SPECIAL_PDS 16
-
-static struct special_pd {
- struct device_node *pd;
- enum pd_types type;
-} special_pds[MAX_NUM_SPECIAL_PDS] __initdata;
-
-static unsigned int num_special_pds __initdata;
-
-static const struct of_device_id special_ids[] __initconst = {
- { .compatible = "arm,coresight-etm3x", .data = (void *)PD_DEBUG },
- { .compatible = "renesas,dbsc-r8a73a4", .data = (void *)PD_MEMCTL, },
- { .compatible = "renesas,dbsc3-r8a7740", .data = (void *)PD_MEMCTL, },
- { .compatible = "renesas,sbsc-sh73a0", .data = (void *)PD_MEMCTL, },
- { /* sentinel */ },
-};
-
-static void __init add_special_pd(struct device_node *np, enum pd_types type)
-{
- unsigned int i;
- struct device_node *pd;
-
- pd = of_parse_phandle(np, "power-domains", 0);
- if (!pd)
- return;
-
- for (i = 0; i < num_special_pds; i++)
- if (pd == special_pds[i].pd && type == special_pds[i].type) {
- of_node_put(pd);
- return;
- }
-
- if (num_special_pds == ARRAY_SIZE(special_pds)) {
- pr_warn("Too many special PM domains\n");
- of_node_put(pd);
- return;
- }
-
- pr_debug("Special PM domain %pOFn type %d for %pOF\n", pd, type, np);
-
- special_pds[num_special_pds].pd = pd;
- special_pds[num_special_pds].type = type;
- num_special_pds++;
-}
-
-static void __init get_special_pds(void)
-{
- struct device_node *np;
- const struct of_device_id *id;
-
- /* PM domains containing CPUs */
- for_each_of_cpu_node(np)
- add_special_pd(np, PD_CPU);
-
- /* PM domain containing console */
- if (of_stdout)
- add_special_pd(of_stdout, PD_CONSOLE);
-
- /* PM domains containing other special devices */
- for_each_matching_node_and_match(np, special_ids, &id)
- add_special_pd(np, (enum pd_types)id->data);
-}
-
-static void __init put_special_pds(void)
-{
- unsigned int i;
-
- for (i = 0; i < num_special_pds; i++)
- of_node_put(special_pds[i].pd);
-}
-
-static enum pd_types __init pd_type(const struct device_node *pd)
-{
- unsigned int i;
-
- for (i = 0; i < num_special_pds; i++)
- if (pd == special_pds[i].pd)
- return special_pds[i].type;
-
- return PD_NORMAL;
-}
-
-static void __init rmobile_setup_pm_domain(struct device_node *np,
- struct rmobile_pm_domain *pd)
-{
- const char *name = pd->genpd.name;
-
- switch (pd_type(np)) {
- case PD_CPU:
- /*
- * This domain contains the CPU core and therefore it should
- * only be turned off if the CPU is not in use.
- */
- pr_debug("PM domain %s contains CPU\n", name);
- pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
- break;
-
- case PD_CONSOLE:
- pr_debug("PM domain %s contains serial console\n", name);
- pd->gov = &pm_domain_always_on_gov;
- pd->suspend = rmobile_pd_suspend_console;
- break;
-
- case PD_DEBUG:
- /*
- * This domain contains the Coresight-ETM hardware block and
- * therefore it should only be turned off if the debug module
- * is not in use.
- */
- pr_debug("PM domain %s contains Coresight-ETM\n", name);
- pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
- break;
-
- case PD_MEMCTL:
- /*
- * This domain contains a memory-controller and therefore it
- * should only be turned off if memory is not in use.
- */
- pr_debug("PM domain %s contains MEMCTL\n", name);
- pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
- break;
-
- case PD_NORMAL:
- if (pd->bit_shift == ~0) {
- /* Top-level always-on domain */
- pr_debug("PM domain %s is always-on domain\n", name);
- pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
- }
- break;
- }
-
- rmobile_init_pm_domain(pd);
-}
-
-static int __init rmobile_add_pm_domains(void __iomem *base,
- struct device_node *parent,
- struct generic_pm_domain *genpd_parent)
-{
- struct device_node *np;
-
- for_each_child_of_node(parent, np) {
- struct rmobile_pm_domain *pd;
- u32 idx = ~0;
-
- if (of_property_read_u32(np, "reg", &idx)) {
- /* always-on domain */
- }
-
- pd = kzalloc(sizeof(*pd), GFP_KERNEL);
- if (!pd) {
- of_node_put(np);
- return -ENOMEM;
- }
-
- pd->genpd.name = np->name;
- pd->base = base;
- pd->bit_shift = idx;
-
- rmobile_setup_pm_domain(np, pd);
- if (genpd_parent)
- pm_genpd_add_subdomain(genpd_parent, &pd->genpd);
- of_genpd_add_provider_simple(np, &pd->genpd);
-
- rmobile_add_pm_domains(base, np, &pd->genpd);
- }
- return 0;
-}
-
-static int __init rmobile_init_pm_domains(void)
-{
- struct device_node *np, *pmd;
- bool scanned = false;
- void __iomem *base;
- int ret = 0;
-
- for_each_compatible_node(np, NULL, "renesas,sysc-rmobile") {
- base = of_iomap(np, 0);
- if (!base) {
- pr_warn("%pOF cannot map reg 0\n", np);
- continue;
- }
-
- pmd = of_get_child_by_name(np, "pm-domains");
- if (!pmd) {
- iounmap(base);
- pr_warn("%pOF lacks pm-domains node\n", np);
- continue;
- }
-
- if (!scanned) {
- /* Find PM domains containing special blocks */
- get_special_pds();
- scanned = true;
- }
-
- ret = rmobile_add_pm_domains(base, pmd, NULL);
- of_node_put(pmd);
- if (ret) {
- of_node_put(np);
- break;
- }
-
- fwnode_dev_initialized(of_fwnode_handle(np), true);
- }
-
- put_special_pds();
-
- return ret;
-}
-
-core_initcall(rmobile_init_pm_domains);
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_ROCKCHIP_PM_DOMAINS) += pm-domains.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Rockchip Generic power domain support.
- *
- * Copyright (c) 2015 ROCKCHIP, Co. Ltd.
- */
-
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/err.h>
-#include <linux/mutex.h>
-#include <linux/pm_clock.h>
-#include <linux/pm_domain.h>
-#include <linux/of_address.h>
-#include <linux/of_clk.h>
-#include <linux/of_platform.h>
-#include <linux/clk.h>
-#include <linux/regmap.h>
-#include <linux/mfd/syscon.h>
-#include <soc/rockchip/pm_domains.h>
-#include <dt-bindings/power/px30-power.h>
-#include <dt-bindings/power/rockchip,rv1126-power.h>
-#include <dt-bindings/power/rk3036-power.h>
-#include <dt-bindings/power/rk3066-power.h>
-#include <dt-bindings/power/rk3128-power.h>
-#include <dt-bindings/power/rk3188-power.h>
-#include <dt-bindings/power/rk3228-power.h>
-#include <dt-bindings/power/rk3288-power.h>
-#include <dt-bindings/power/rk3328-power.h>
-#include <dt-bindings/power/rk3366-power.h>
-#include <dt-bindings/power/rk3368-power.h>
-#include <dt-bindings/power/rk3399-power.h>
-#include <dt-bindings/power/rk3568-power.h>
-#include <dt-bindings/power/rk3588-power.h>
-
-struct rockchip_domain_info {
- const char *name;
- int pwr_mask;
- int status_mask;
- int req_mask;
- int idle_mask;
- int ack_mask;
- bool active_wakeup;
- int pwr_w_mask;
- int req_w_mask;
- int mem_status_mask;
- int repair_status_mask;
- u32 pwr_offset;
- u32 mem_offset;
- u32 req_offset;
-};
-
-struct rockchip_pmu_info {
- u32 pwr_offset;
- u32 status_offset;
- u32 req_offset;
- u32 idle_offset;
- u32 ack_offset;
- u32 mem_pwr_offset;
- u32 chain_status_offset;
- u32 mem_status_offset;
- u32 repair_status_offset;
-
- u32 core_pwrcnt_offset;
- u32 gpu_pwrcnt_offset;
-
- unsigned int core_power_transition_time;
- unsigned int gpu_power_transition_time;
-
- int num_domains;
- const struct rockchip_domain_info *domain_info;
-};
-
-#define MAX_QOS_REGS_NUM 5
-#define QOS_PRIORITY 0x08
-#define QOS_MODE 0x0c
-#define QOS_BANDWIDTH 0x10
-#define QOS_SATURATION 0x14
-#define QOS_EXTCONTROL 0x18
-
-struct rockchip_pm_domain {
- struct generic_pm_domain genpd;
- const struct rockchip_domain_info *info;
- struct rockchip_pmu *pmu;
- int num_qos;
- struct regmap **qos_regmap;
- u32 *qos_save_regs[MAX_QOS_REGS_NUM];
- int num_clks;
- struct clk_bulk_data *clks;
-};
-
-struct rockchip_pmu {
- struct device *dev;
- struct regmap *regmap;
- const struct rockchip_pmu_info *info;
- struct mutex mutex; /* mutex lock for pmu */
- struct genpd_onecell_data genpd_data;
- struct generic_pm_domain *domains[];
-};
-
-#define to_rockchip_pd(gpd) container_of(gpd, struct rockchip_pm_domain, genpd)
-
-#define DOMAIN(_name, pwr, status, req, idle, ack, wakeup) \
-{ \
- .name = _name, \
- .pwr_mask = (pwr), \
- .status_mask = (status), \
- .req_mask = (req), \
- .idle_mask = (idle), \
- .ack_mask = (ack), \
- .active_wakeup = (wakeup), \
-}
-
-#define DOMAIN_M(_name, pwr, status, req, idle, ack, wakeup) \
-{ \
- .name = _name, \
- .pwr_w_mask = (pwr) << 16, \
- .pwr_mask = (pwr), \
- .status_mask = (status), \
- .req_w_mask = (req) << 16, \
- .req_mask = (req), \
- .idle_mask = (idle), \
- .ack_mask = (ack), \
- .active_wakeup = wakeup, \
-}
-
-#define DOMAIN_M_O_R(_name, p_offset, pwr, status, m_offset, m_status, r_status, r_offset, req, idle, ack, wakeup) \
-{ \
- .name = _name, \
- .pwr_offset = p_offset, \
- .pwr_w_mask = (pwr) << 16, \
- .pwr_mask = (pwr), \
- .status_mask = (status), \
- .mem_offset = m_offset, \
- .mem_status_mask = (m_status), \
- .repair_status_mask = (r_status), \
- .req_offset = r_offset, \
- .req_w_mask = (req) << 16, \
- .req_mask = (req), \
- .idle_mask = (idle), \
- .ack_mask = (ack), \
- .active_wakeup = wakeup, \
-}
-
-#define DOMAIN_RK3036(_name, req, ack, idle, wakeup) \
-{ \
- .name = _name, \
- .req_mask = (req), \
- .req_w_mask = (req) << 16, \
- .ack_mask = (ack), \
- .idle_mask = (idle), \
- .active_wakeup = wakeup, \
-}
-
-#define DOMAIN_PX30(name, pwr, status, req, wakeup) \
- DOMAIN_M(name, pwr, status, req, (req) << 16, req, wakeup)
-
-#define DOMAIN_RV1126(name, pwr, req, idle, wakeup) \
- DOMAIN_M(name, pwr, pwr, req, idle, idle, wakeup)
-
-#define DOMAIN_RK3288(name, pwr, status, req, wakeup) \
- DOMAIN(name, pwr, status, req, req, (req) << 16, wakeup)
-
-#define DOMAIN_RK3328(name, pwr, status, req, wakeup) \
- DOMAIN_M(name, pwr, pwr, req, (req) << 10, req, wakeup)
-
-#define DOMAIN_RK3368(name, pwr, status, req, wakeup) \
- DOMAIN(name, pwr, status, req, (req) << 16, req, wakeup)
-
-#define DOMAIN_RK3399(name, pwr, status, req, wakeup) \
- DOMAIN(name, pwr, status, req, req, req, wakeup)
-
-#define DOMAIN_RK3568(name, pwr, req, wakeup) \
- DOMAIN_M(name, pwr, pwr, req, req, req, wakeup)
-
-/*
- * Dynamic Memory Controller may need to coordinate with us -- see
- * rockchip_pmu_block().
- *
- * dmc_pmu_mutex protects registration-time races, so DMC driver doesn't try to
- * block() while we're initializing the PMU.
- */
-static DEFINE_MUTEX(dmc_pmu_mutex);
-static struct rockchip_pmu *dmc_pmu;
-
-/*
- * Block PMU transitions and make sure they don't interfere with ARM Trusted
- * Firmware operations. There are two conflicts, noted in the comments below.
- *
- * Caller must unblock PMU transitions via rockchip_pmu_unblock().
- */
-int rockchip_pmu_block(void)
-{
- struct rockchip_pmu *pmu;
- struct generic_pm_domain *genpd;
- struct rockchip_pm_domain *pd;
- int i, ret;
-
- mutex_lock(&dmc_pmu_mutex);
-
- /* No PMU (yet)? Then we just block rockchip_pmu_probe(). */
- if (!dmc_pmu)
- return 0;
- pmu = dmc_pmu;
-
- /*
- * mutex blocks all idle transitions: we can't touch the
- * PMU_BUS_IDLE_REQ (our ".idle_offset") register while ARM Trusted
- * Firmware might be using it.
- */
- mutex_lock(&pmu->mutex);
-
- /*
- * Power domain clocks: Per Rockchip, we *must* keep certain clocks
- * enabled for the duration of power-domain transitions. Most
- * transitions are handled by this driver, but some cases (in
- * particular, DRAM DVFS / memory-controller idle) must be handled by
- * firmware. Firmware can handle most clock management via a special
- * "ungate" register (PMU_CRU_GATEDIS_CON0), but unfortunately, this
- * doesn't handle PLLs. We can assist this transition by doing the
- * clock management on behalf of firmware.
- */
- for (i = 0; i < pmu->genpd_data.num_domains; i++) {
- genpd = pmu->genpd_data.domains[i];
- if (genpd) {
- pd = to_rockchip_pd(genpd);
- ret = clk_bulk_enable(pd->num_clks, pd->clks);
- if (ret < 0) {
- dev_err(pmu->dev,
- "failed to enable clks for domain '%s': %d\n",
- genpd->name, ret);
- goto err;
- }
- }
- }
-
- return 0;
-
-err:
- for (i = i - 1; i >= 0; i--) {
- genpd = pmu->genpd_data.domains[i];
- if (genpd) {
- pd = to_rockchip_pd(genpd);
- clk_bulk_disable(pd->num_clks, pd->clks);
- }
- }
- mutex_unlock(&pmu->mutex);
- mutex_unlock(&dmc_pmu_mutex);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(rockchip_pmu_block);
-
-/* Unblock PMU transitions. */
-void rockchip_pmu_unblock(void)
-{
- struct rockchip_pmu *pmu;
- struct generic_pm_domain *genpd;
- struct rockchip_pm_domain *pd;
- int i;
-
- if (dmc_pmu) {
- pmu = dmc_pmu;
- for (i = 0; i < pmu->genpd_data.num_domains; i++) {
- genpd = pmu->genpd_data.domains[i];
- if (genpd) {
- pd = to_rockchip_pd(genpd);
- clk_bulk_disable(pd->num_clks, pd->clks);
- }
- }
-
- mutex_unlock(&pmu->mutex);
- }
-
- mutex_unlock(&dmc_pmu_mutex);
-}
-EXPORT_SYMBOL_GPL(rockchip_pmu_unblock);
-
-#define DOMAIN_RK3588(name, p_offset, pwr, status, m_offset, m_status, r_status, r_offset, req, idle, wakeup) \
- DOMAIN_M_O_R(name, p_offset, pwr, status, m_offset, m_status, r_status, r_offset, req, idle, idle, wakeup)
-
-static bool rockchip_pmu_domain_is_idle(struct rockchip_pm_domain *pd)
-{
- struct rockchip_pmu *pmu = pd->pmu;
- const struct rockchip_domain_info *pd_info = pd->info;
- unsigned int val;
-
- regmap_read(pmu->regmap, pmu->info->idle_offset, &val);
- return (val & pd_info->idle_mask) == pd_info->idle_mask;
-}
-
-static unsigned int rockchip_pmu_read_ack(struct rockchip_pmu *pmu)
-{
- unsigned int val;
-
- regmap_read(pmu->regmap, pmu->info->ack_offset, &val);
- return val;
-}
-
-static int rockchip_pmu_set_idle_request(struct rockchip_pm_domain *pd,
- bool idle)
-{
- const struct rockchip_domain_info *pd_info = pd->info;
- struct generic_pm_domain *genpd = &pd->genpd;
- struct rockchip_pmu *pmu = pd->pmu;
- u32 pd_req_offset = pd_info->req_offset;
- unsigned int target_ack;
- unsigned int val;
- bool is_idle;
- int ret;
-
- if (pd_info->req_mask == 0)
- return 0;
- else if (pd_info->req_w_mask)
- regmap_write(pmu->regmap, pmu->info->req_offset + pd_req_offset,
- idle ? (pd_info->req_mask | pd_info->req_w_mask) :
- pd_info->req_w_mask);
- else
- regmap_update_bits(pmu->regmap, pmu->info->req_offset + pd_req_offset,
- pd_info->req_mask, idle ? -1U : 0);
-
- wmb();
-
- /* Wait util idle_ack = 1 */
- target_ack = idle ? pd_info->ack_mask : 0;
- ret = readx_poll_timeout_atomic(rockchip_pmu_read_ack, pmu, val,
- (val & pd_info->ack_mask) == target_ack,
- 0, 10000);
- if (ret) {
- dev_err(pmu->dev,
- "failed to get ack on domain '%s', val=0x%x\n",
- genpd->name, val);
- return ret;
- }
-
- ret = readx_poll_timeout_atomic(rockchip_pmu_domain_is_idle, pd,
- is_idle, is_idle == idle, 0, 10000);
- if (ret) {
- dev_err(pmu->dev,
- "failed to set idle on domain '%s', val=%d\n",
- genpd->name, is_idle);
- return ret;
- }
-
- return 0;
-}
-
-static int rockchip_pmu_save_qos(struct rockchip_pm_domain *pd)
-{
- int i;
-
- for (i = 0; i < pd->num_qos; i++) {
- regmap_read(pd->qos_regmap[i],
- QOS_PRIORITY,
- &pd->qos_save_regs[0][i]);
- regmap_read(pd->qos_regmap[i],
- QOS_MODE,
- &pd->qos_save_regs[1][i]);
- regmap_read(pd->qos_regmap[i],
- QOS_BANDWIDTH,
- &pd->qos_save_regs[2][i]);
- regmap_read(pd->qos_regmap[i],
- QOS_SATURATION,
- &pd->qos_save_regs[3][i]);
- regmap_read(pd->qos_regmap[i],
- QOS_EXTCONTROL,
- &pd->qos_save_regs[4][i]);
- }
- return 0;
-}
-
-static int rockchip_pmu_restore_qos(struct rockchip_pm_domain *pd)
-{
- int i;
-
- for (i = 0; i < pd->num_qos; i++) {
- regmap_write(pd->qos_regmap[i],
- QOS_PRIORITY,
- pd->qos_save_regs[0][i]);
- regmap_write(pd->qos_regmap[i],
- QOS_MODE,
- pd->qos_save_regs[1][i]);
- regmap_write(pd->qos_regmap[i],
- QOS_BANDWIDTH,
- pd->qos_save_regs[2][i]);
- regmap_write(pd->qos_regmap[i],
- QOS_SATURATION,
- pd->qos_save_regs[3][i]);
- regmap_write(pd->qos_regmap[i],
- QOS_EXTCONTROL,
- pd->qos_save_regs[4][i]);
- }
-
- return 0;
-}
-
-static bool rockchip_pmu_domain_is_on(struct rockchip_pm_domain *pd)
-{
- struct rockchip_pmu *pmu = pd->pmu;
- unsigned int val;
-
- if (pd->info->repair_status_mask) {
- regmap_read(pmu->regmap, pmu->info->repair_status_offset, &val);
- /* 1'b1: power on, 1'b0: power off */
- return val & pd->info->repair_status_mask;
- }
-
- /* check idle status for idle-only domains */
- if (pd->info->status_mask == 0)
- return !rockchip_pmu_domain_is_idle(pd);
-
- regmap_read(pmu->regmap, pmu->info->status_offset, &val);
-
- /* 1'b0: power on, 1'b1: power off */
- return !(val & pd->info->status_mask);
-}
-
-static bool rockchip_pmu_domain_is_mem_on(struct rockchip_pm_domain *pd)
-{
- struct rockchip_pmu *pmu = pd->pmu;
- unsigned int val;
-
- regmap_read(pmu->regmap,
- pmu->info->mem_status_offset + pd->info->mem_offset, &val);
-
- /* 1'b0: power on, 1'b1: power off */
- return !(val & pd->info->mem_status_mask);
-}
-
-static bool rockchip_pmu_domain_is_chain_on(struct rockchip_pm_domain *pd)
-{
- struct rockchip_pmu *pmu = pd->pmu;
- unsigned int val;
-
- regmap_read(pmu->regmap,
- pmu->info->chain_status_offset + pd->info->mem_offset, &val);
-
- /* 1'b1: power on, 1'b0: power off */
- return val & pd->info->mem_status_mask;
-}
-
-static int rockchip_pmu_domain_mem_reset(struct rockchip_pm_domain *pd)
-{
- struct rockchip_pmu *pmu = pd->pmu;
- struct generic_pm_domain *genpd = &pd->genpd;
- bool is_on;
- int ret = 0;
-
- ret = readx_poll_timeout_atomic(rockchip_pmu_domain_is_chain_on, pd, is_on,
- is_on == true, 0, 10000);
- if (ret) {
- dev_err(pmu->dev,
- "failed to get chain status '%s', target_on=1, val=%d\n",
- genpd->name, is_on);
- goto error;
- }
-
- udelay(20);
-
- regmap_write(pmu->regmap, pmu->info->mem_pwr_offset + pd->info->pwr_offset,
- (pd->info->pwr_mask | pd->info->pwr_w_mask));
- wmb();
-
- ret = readx_poll_timeout_atomic(rockchip_pmu_domain_is_mem_on, pd, is_on,
- is_on == false, 0, 10000);
- if (ret) {
- dev_err(pmu->dev,
- "failed to get mem status '%s', target_on=0, val=%d\n",
- genpd->name, is_on);
- goto error;
- }
-
- regmap_write(pmu->regmap, pmu->info->mem_pwr_offset + pd->info->pwr_offset,
- pd->info->pwr_w_mask);
- wmb();
-
- ret = readx_poll_timeout_atomic(rockchip_pmu_domain_is_mem_on, pd, is_on,
- is_on == true, 0, 10000);
- if (ret) {
- dev_err(pmu->dev,
- "failed to get mem status '%s', target_on=1, val=%d\n",
- genpd->name, is_on);
- }
-
-error:
- return ret;
-}
-
-static void rockchip_do_pmu_set_power_domain(struct rockchip_pm_domain *pd,
- bool on)
-{
- struct rockchip_pmu *pmu = pd->pmu;
- struct generic_pm_domain *genpd = &pd->genpd;
- u32 pd_pwr_offset = pd->info->pwr_offset;
- bool is_on, is_mem_on = false;
-
- if (pd->info->pwr_mask == 0)
- return;
-
- if (on && pd->info->mem_status_mask)
- is_mem_on = rockchip_pmu_domain_is_mem_on(pd);
-
- if (pd->info->pwr_w_mask)
- regmap_write(pmu->regmap, pmu->info->pwr_offset + pd_pwr_offset,
- on ? pd->info->pwr_w_mask :
- (pd->info->pwr_mask | pd->info->pwr_w_mask));
- else
- regmap_update_bits(pmu->regmap, pmu->info->pwr_offset + pd_pwr_offset,
- pd->info->pwr_mask, on ? 0 : -1U);
-
- wmb();
-
- if (is_mem_on && rockchip_pmu_domain_mem_reset(pd))
- return;
-
- if (readx_poll_timeout_atomic(rockchip_pmu_domain_is_on, pd, is_on,
- is_on == on, 0, 10000)) {
- dev_err(pmu->dev,
- "failed to set domain '%s', val=%d\n",
- genpd->name, is_on);
- return;
- }
-}
-
-static int rockchip_pd_power(struct rockchip_pm_domain *pd, bool power_on)
-{
- struct rockchip_pmu *pmu = pd->pmu;
- int ret;
-
- mutex_lock(&pmu->mutex);
-
- if (rockchip_pmu_domain_is_on(pd) != power_on) {
- ret = clk_bulk_enable(pd->num_clks, pd->clks);
- if (ret < 0) {
- dev_err(pmu->dev, "failed to enable clocks\n");
- mutex_unlock(&pmu->mutex);
- return ret;
- }
-
- if (!power_on) {
- rockchip_pmu_save_qos(pd);
-
- /* if powering down, idle request to NIU first */
- rockchip_pmu_set_idle_request(pd, true);
- }
-
- rockchip_do_pmu_set_power_domain(pd, power_on);
-
- if (power_on) {
- /* if powering up, leave idle mode */
- rockchip_pmu_set_idle_request(pd, false);
-
- rockchip_pmu_restore_qos(pd);
- }
-
- clk_bulk_disable(pd->num_clks, pd->clks);
- }
-
- mutex_unlock(&pmu->mutex);
- return 0;
-}
-
-static int rockchip_pd_power_on(struct generic_pm_domain *domain)
-{
- struct rockchip_pm_domain *pd = to_rockchip_pd(domain);
-
- return rockchip_pd_power(pd, true);
-}
-
-static int rockchip_pd_power_off(struct generic_pm_domain *domain)
-{
- struct rockchip_pm_domain *pd = to_rockchip_pd(domain);
-
- return rockchip_pd_power(pd, false);
-}
-
-static int rockchip_pd_attach_dev(struct generic_pm_domain *genpd,
- struct device *dev)
-{
- struct clk *clk;
- int i;
- int error;
-
- dev_dbg(dev, "attaching to power domain '%s'\n", genpd->name);
-
- error = pm_clk_create(dev);
- if (error) {
- dev_err(dev, "pm_clk_create failed %d\n", error);
- return error;
- }
-
- i = 0;
- while ((clk = of_clk_get(dev->of_node, i++)) && !IS_ERR(clk)) {
- dev_dbg(dev, "adding clock '%pC' to list of PM clocks\n", clk);
- error = pm_clk_add_clk(dev, clk);
- if (error) {
- dev_err(dev, "pm_clk_add_clk failed %d\n", error);
- clk_put(clk);
- pm_clk_destroy(dev);
- return error;
- }
- }
-
- return 0;
-}
-
-static void rockchip_pd_detach_dev(struct generic_pm_domain *genpd,
- struct device *dev)
-{
- dev_dbg(dev, "detaching from power domain '%s'\n", genpd->name);
-
- pm_clk_destroy(dev);
-}
-
-static int rockchip_pm_add_one_domain(struct rockchip_pmu *pmu,
- struct device_node *node)
-{
- const struct rockchip_domain_info *pd_info;
- struct rockchip_pm_domain *pd;
- struct device_node *qos_node;
- int i, j;
- u32 id;
- int error;
-
- error = of_property_read_u32(node, "reg", &id);
- if (error) {
- dev_err(pmu->dev,
- "%pOFn: failed to retrieve domain id (reg): %d\n",
- node, error);
- return -EINVAL;
- }
-
- if (id >= pmu->info->num_domains) {
- dev_err(pmu->dev, "%pOFn: invalid domain id %d\n",
- node, id);
- return -EINVAL;
- }
- /* RK3588 has domains with two parents (RKVDEC0/RKVDEC1) */
- if (pmu->genpd_data.domains[id])
- return 0;
-
- pd_info = &pmu->info->domain_info[id];
- if (!pd_info) {
- dev_err(pmu->dev, "%pOFn: undefined domain id %d\n",
- node, id);
- return -EINVAL;
- }
-
- pd = devm_kzalloc(pmu->dev, sizeof(*pd), GFP_KERNEL);
- if (!pd)
- return -ENOMEM;
-
- pd->info = pd_info;
- pd->pmu = pmu;
-
- pd->num_clks = of_clk_get_parent_count(node);
- if (pd->num_clks > 0) {
- pd->clks = devm_kcalloc(pmu->dev, pd->num_clks,
- sizeof(*pd->clks), GFP_KERNEL);
- if (!pd->clks)
- return -ENOMEM;
- } else {
- dev_dbg(pmu->dev, "%pOFn: doesn't have clocks: %d\n",
- node, pd->num_clks);
- pd->num_clks = 0;
- }
-
- for (i = 0; i < pd->num_clks; i++) {
- pd->clks[i].clk = of_clk_get(node, i);
- if (IS_ERR(pd->clks[i].clk)) {
- error = PTR_ERR(pd->clks[i].clk);
- dev_err(pmu->dev,
- "%pOFn: failed to get clk at index %d: %d\n",
- node, i, error);
- return error;
- }
- }
-
- error = clk_bulk_prepare(pd->num_clks, pd->clks);
- if (error)
- goto err_put_clocks;
-
- pd->num_qos = of_count_phandle_with_args(node, "pm_qos",
- NULL);
-
- if (pd->num_qos > 0) {
- pd->qos_regmap = devm_kcalloc(pmu->dev, pd->num_qos,
- sizeof(*pd->qos_regmap),
- GFP_KERNEL);
- if (!pd->qos_regmap) {
- error = -ENOMEM;
- goto err_unprepare_clocks;
- }
-
- for (j = 0; j < MAX_QOS_REGS_NUM; j++) {
- pd->qos_save_regs[j] = devm_kcalloc(pmu->dev,
- pd->num_qos,
- sizeof(u32),
- GFP_KERNEL);
- if (!pd->qos_save_regs[j]) {
- error = -ENOMEM;
- goto err_unprepare_clocks;
- }
- }
-
- for (j = 0; j < pd->num_qos; j++) {
- qos_node = of_parse_phandle(node, "pm_qos", j);
- if (!qos_node) {
- error = -ENODEV;
- goto err_unprepare_clocks;
- }
- pd->qos_regmap[j] = syscon_node_to_regmap(qos_node);
- if (IS_ERR(pd->qos_regmap[j])) {
- error = -ENODEV;
- of_node_put(qos_node);
- goto err_unprepare_clocks;
- }
- of_node_put(qos_node);
- }
- }
-
- if (pd->info->name)
- pd->genpd.name = pd->info->name;
- else
- pd->genpd.name = kbasename(node->full_name);
- pd->genpd.power_off = rockchip_pd_power_off;
- pd->genpd.power_on = rockchip_pd_power_on;
- pd->genpd.attach_dev = rockchip_pd_attach_dev;
- pd->genpd.detach_dev = rockchip_pd_detach_dev;
- pd->genpd.flags = GENPD_FLAG_PM_CLK;
- if (pd_info->active_wakeup)
- pd->genpd.flags |= GENPD_FLAG_ACTIVE_WAKEUP;
- pm_genpd_init(&pd->genpd, NULL,
- !rockchip_pmu_domain_is_on(pd) ||
- (pd->info->mem_status_mask && !rockchip_pmu_domain_is_mem_on(pd)));
-
- pmu->genpd_data.domains[id] = &pd->genpd;
- return 0;
-
-err_unprepare_clocks:
- clk_bulk_unprepare(pd->num_clks, pd->clks);
-err_put_clocks:
- clk_bulk_put(pd->num_clks, pd->clks);
- return error;
-}
-
-static void rockchip_pm_remove_one_domain(struct rockchip_pm_domain *pd)
-{
- int ret;
-
- /*
- * We're in the error cleanup already, so we only complain,
- * but won't emit another error on top of the original one.
- */
- ret = pm_genpd_remove(&pd->genpd);
- if (ret < 0)
- dev_err(pd->pmu->dev, "failed to remove domain '%s' : %d - state may be inconsistent\n",
- pd->genpd.name, ret);
-
- clk_bulk_unprepare(pd->num_clks, pd->clks);
- clk_bulk_put(pd->num_clks, pd->clks);
-
- /* protect the zeroing of pm->num_clks */
- mutex_lock(&pd->pmu->mutex);
- pd->num_clks = 0;
- mutex_unlock(&pd->pmu->mutex);
-
- /* devm will free our memory */
-}
-
-static void rockchip_pm_domain_cleanup(struct rockchip_pmu *pmu)
-{
- struct generic_pm_domain *genpd;
- struct rockchip_pm_domain *pd;
- int i;
-
- for (i = 0; i < pmu->genpd_data.num_domains; i++) {
- genpd = pmu->genpd_data.domains[i];
- if (genpd) {
- pd = to_rockchip_pd(genpd);
- rockchip_pm_remove_one_domain(pd);
- }
- }
-
- /* devm will free our memory */
-}
-
-static void rockchip_configure_pd_cnt(struct rockchip_pmu *pmu,
- u32 domain_reg_offset,
- unsigned int count)
-{
- /* First configure domain power down transition count ... */
- regmap_write(pmu->regmap, domain_reg_offset, count);
- /* ... and then power up count. */
- regmap_write(pmu->regmap, domain_reg_offset + 4, count);
-}
-
-static int rockchip_pm_add_subdomain(struct rockchip_pmu *pmu,
- struct device_node *parent)
-{
- struct device_node *np;
- struct generic_pm_domain *child_domain, *parent_domain;
- int error;
-
- for_each_child_of_node(parent, np) {
- u32 idx;
-
- error = of_property_read_u32(parent, "reg", &idx);
- if (error) {
- dev_err(pmu->dev,
- "%pOFn: failed to retrieve domain id (reg): %d\n",
- parent, error);
- goto err_out;
- }
- parent_domain = pmu->genpd_data.domains[idx];
-
- error = rockchip_pm_add_one_domain(pmu, np);
- if (error) {
- dev_err(pmu->dev, "failed to handle node %pOFn: %d\n",
- np, error);
- goto err_out;
- }
-
- error = of_property_read_u32(np, "reg", &idx);
- if (error) {
- dev_err(pmu->dev,
- "%pOFn: failed to retrieve domain id (reg): %d\n",
- np, error);
- goto err_out;
- }
- child_domain = pmu->genpd_data.domains[idx];
-
- error = pm_genpd_add_subdomain(parent_domain, child_domain);
- if (error) {
- dev_err(pmu->dev, "%s failed to add subdomain %s: %d\n",
- parent_domain->name, child_domain->name, error);
- goto err_out;
- } else {
- dev_dbg(pmu->dev, "%s add subdomain: %s\n",
- parent_domain->name, child_domain->name);
- }
-
- rockchip_pm_add_subdomain(pmu, np);
- }
-
- return 0;
-
-err_out:
- of_node_put(np);
- return error;
-}
-
-static int rockchip_pm_domain_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct device_node *np = dev->of_node;
- struct device_node *node;
- struct device *parent;
- struct rockchip_pmu *pmu;
- const struct of_device_id *match;
- const struct rockchip_pmu_info *pmu_info;
- int error;
-
- if (!np) {
- dev_err(dev, "device tree node not found\n");
- return -ENODEV;
- }
-
- match = of_match_device(dev->driver->of_match_table, dev);
- if (!match || !match->data) {
- dev_err(dev, "missing pmu data\n");
- return -EINVAL;
- }
-
- pmu_info = match->data;
-
- pmu = devm_kzalloc(dev,
- struct_size(pmu, domains, pmu_info->num_domains),
- GFP_KERNEL);
- if (!pmu)
- return -ENOMEM;
-
- pmu->dev = &pdev->dev;
- mutex_init(&pmu->mutex);
-
- pmu->info = pmu_info;
-
- pmu->genpd_data.domains = pmu->domains;
- pmu->genpd_data.num_domains = pmu_info->num_domains;
-
- parent = dev->parent;
- if (!parent) {
- dev_err(dev, "no parent for syscon devices\n");
- return -ENODEV;
- }
-
- pmu->regmap = syscon_node_to_regmap(parent->of_node);
- if (IS_ERR(pmu->regmap)) {
- dev_err(dev, "no regmap available\n");
- return PTR_ERR(pmu->regmap);
- }
-
- /*
- * Configure power up and down transition delays for CORE
- * and GPU domains.
- */
- if (pmu_info->core_power_transition_time)
- rockchip_configure_pd_cnt(pmu, pmu_info->core_pwrcnt_offset,
- pmu_info->core_power_transition_time);
- if (pmu_info->gpu_pwrcnt_offset)
- rockchip_configure_pd_cnt(pmu, pmu_info->gpu_pwrcnt_offset,
- pmu_info->gpu_power_transition_time);
-
- error = -ENODEV;
-
- /*
- * Prevent any rockchip_pmu_block() from racing with the remainder of
- * setup (clocks, register initialization).
- */
- mutex_lock(&dmc_pmu_mutex);
-
- for_each_available_child_of_node(np, node) {
- error = rockchip_pm_add_one_domain(pmu, node);
- if (error) {
- dev_err(dev, "failed to handle node %pOFn: %d\n",
- node, error);
- of_node_put(node);
- goto err_out;
- }
-
- error = rockchip_pm_add_subdomain(pmu, node);
- if (error < 0) {
- dev_err(dev, "failed to handle subdomain node %pOFn: %d\n",
- node, error);
- of_node_put(node);
- goto err_out;
- }
- }
-
- if (error) {
- dev_dbg(dev, "no power domains defined\n");
- goto err_out;
- }
-
- error = of_genpd_add_provider_onecell(np, &pmu->genpd_data);
- if (error) {
- dev_err(dev, "failed to add provider: %d\n", error);
- goto err_out;
- }
-
- /* We only expect one PMU. */
- if (!WARN_ON_ONCE(dmc_pmu))
- dmc_pmu = pmu;
-
- mutex_unlock(&dmc_pmu_mutex);
-
- return 0;
-
-err_out:
- rockchip_pm_domain_cleanup(pmu);
- mutex_unlock(&dmc_pmu_mutex);
- return error;
-}
-
-static const struct rockchip_domain_info px30_pm_domains[] = {
- [PX30_PD_USB] = DOMAIN_PX30("usb", BIT(5), BIT(5), BIT(10), false),
- [PX30_PD_SDCARD] = DOMAIN_PX30("sdcard", BIT(8), BIT(8), BIT(9), false),
- [PX30_PD_GMAC] = DOMAIN_PX30("gmac", BIT(10), BIT(10), BIT(6), false),
- [PX30_PD_MMC_NAND] = DOMAIN_PX30("mmc_nand", BIT(11), BIT(11), BIT(5), false),
- [PX30_PD_VPU] = DOMAIN_PX30("vpu", BIT(12), BIT(12), BIT(14), false),
- [PX30_PD_VO] = DOMAIN_PX30("vo", BIT(13), BIT(13), BIT(7), false),
- [PX30_PD_VI] = DOMAIN_PX30("vi", BIT(14), BIT(14), BIT(8), false),
- [PX30_PD_GPU] = DOMAIN_PX30("gpu", BIT(15), BIT(15), BIT(2), false),
-};
-
-static const struct rockchip_domain_info rv1126_pm_domains[] = {
- [RV1126_PD_VEPU] = DOMAIN_RV1126("vepu", BIT(2), BIT(9), BIT(9), false),
- [RV1126_PD_VI] = DOMAIN_RV1126("vi", BIT(4), BIT(6), BIT(6), false),
- [RV1126_PD_VO] = DOMAIN_RV1126("vo", BIT(5), BIT(7), BIT(7), false),
- [RV1126_PD_ISPP] = DOMAIN_RV1126("ispp", BIT(1), BIT(8), BIT(8), false),
- [RV1126_PD_VDPU] = DOMAIN_RV1126("vdpu", BIT(3), BIT(10), BIT(10), false),
- [RV1126_PD_NVM] = DOMAIN_RV1126("nvm", BIT(7), BIT(11), BIT(11), false),
- [RV1126_PD_SDIO] = DOMAIN_RV1126("sdio", BIT(8), BIT(13), BIT(13), false),
- [RV1126_PD_USB] = DOMAIN_RV1126("usb", BIT(9), BIT(15), BIT(15), false),
-};
-
-static const struct rockchip_domain_info rk3036_pm_domains[] = {
- [RK3036_PD_MSCH] = DOMAIN_RK3036("msch", BIT(14), BIT(23), BIT(30), true),
- [RK3036_PD_CORE] = DOMAIN_RK3036("core", BIT(13), BIT(17), BIT(24), false),
- [RK3036_PD_PERI] = DOMAIN_RK3036("peri", BIT(12), BIT(18), BIT(25), false),
- [RK3036_PD_VIO] = DOMAIN_RK3036("vio", BIT(11), BIT(19), BIT(26), false),
- [RK3036_PD_VPU] = DOMAIN_RK3036("vpu", BIT(10), BIT(20), BIT(27), false),
- [RK3036_PD_GPU] = DOMAIN_RK3036("gpu", BIT(9), BIT(21), BIT(28), false),
- [RK3036_PD_SYS] = DOMAIN_RK3036("sys", BIT(8), BIT(22), BIT(29), false),
-};
-
-static const struct rockchip_domain_info rk3066_pm_domains[] = {
- [RK3066_PD_GPU] = DOMAIN("gpu", BIT(9), BIT(9), BIT(3), BIT(24), BIT(29), false),
- [RK3066_PD_VIDEO] = DOMAIN("video", BIT(8), BIT(8), BIT(4), BIT(23), BIT(28), false),
- [RK3066_PD_VIO] = DOMAIN("vio", BIT(7), BIT(7), BIT(5), BIT(22), BIT(27), false),
- [RK3066_PD_PERI] = DOMAIN("peri", BIT(6), BIT(6), BIT(2), BIT(25), BIT(30), false),
- [RK3066_PD_CPU] = DOMAIN("cpu", 0, BIT(5), BIT(1), BIT(26), BIT(31), false),
-};
-
-static const struct rockchip_domain_info rk3128_pm_domains[] = {
- [RK3128_PD_CORE] = DOMAIN_RK3288("core", BIT(0), BIT(0), BIT(4), false),
- [RK3128_PD_MSCH] = DOMAIN_RK3288("msch", 0, 0, BIT(6), true),
- [RK3128_PD_VIO] = DOMAIN_RK3288("vio", BIT(3), BIT(3), BIT(2), false),
- [RK3128_PD_VIDEO] = DOMAIN_RK3288("video", BIT(2), BIT(2), BIT(1), false),
- [RK3128_PD_GPU] = DOMAIN_RK3288("gpu", BIT(1), BIT(1), BIT(3), false),
-};
-
-static const struct rockchip_domain_info rk3188_pm_domains[] = {
- [RK3188_PD_GPU] = DOMAIN("gpu", BIT(9), BIT(9), BIT(3), BIT(24), BIT(29), false),
- [RK3188_PD_VIDEO] = DOMAIN("video", BIT(8), BIT(8), BIT(4), BIT(23), BIT(28), false),
- [RK3188_PD_VIO] = DOMAIN("vio", BIT(7), BIT(7), BIT(5), BIT(22), BIT(27), false),
- [RK3188_PD_PERI] = DOMAIN("peri", BIT(6), BIT(6), BIT(2), BIT(25), BIT(30), false),
- [RK3188_PD_CPU] = DOMAIN("cpu", BIT(5), BIT(5), BIT(1), BIT(26), BIT(31), false),
-};
-
-static const struct rockchip_domain_info rk3228_pm_domains[] = {
- [RK3228_PD_CORE] = DOMAIN_RK3036("core", BIT(0), BIT(0), BIT(16), true),
- [RK3228_PD_MSCH] = DOMAIN_RK3036("msch", BIT(1), BIT(1), BIT(17), true),
- [RK3228_PD_BUS] = DOMAIN_RK3036("bus", BIT(2), BIT(2), BIT(18), true),
- [RK3228_PD_SYS] = DOMAIN_RK3036("sys", BIT(3), BIT(3), BIT(19), true),
- [RK3228_PD_VIO] = DOMAIN_RK3036("vio", BIT(4), BIT(4), BIT(20), false),
- [RK3228_PD_VOP] = DOMAIN_RK3036("vop", BIT(5), BIT(5), BIT(21), false),
- [RK3228_PD_VPU] = DOMAIN_RK3036("vpu", BIT(6), BIT(6), BIT(22), false),
- [RK3228_PD_RKVDEC] = DOMAIN_RK3036("vdec", BIT(7), BIT(7), BIT(23), false),
- [RK3228_PD_GPU] = DOMAIN_RK3036("gpu", BIT(8), BIT(8), BIT(24), false),
- [RK3228_PD_PERI] = DOMAIN_RK3036("peri", BIT(9), BIT(9), BIT(25), true),
- [RK3228_PD_GMAC] = DOMAIN_RK3036("gmac", BIT(10), BIT(10), BIT(26), false),
-};
-
-static const struct rockchip_domain_info rk3288_pm_domains[] = {
- [RK3288_PD_VIO] = DOMAIN_RK3288("vio", BIT(7), BIT(7), BIT(4), false),
- [RK3288_PD_HEVC] = DOMAIN_RK3288("hevc", BIT(14), BIT(10), BIT(9), false),
- [RK3288_PD_VIDEO] = DOMAIN_RK3288("video", BIT(8), BIT(8), BIT(3), false),
- [RK3288_PD_GPU] = DOMAIN_RK3288("gpu", BIT(9), BIT(9), BIT(2), false),
-};
-
-static const struct rockchip_domain_info rk3328_pm_domains[] = {
- [RK3328_PD_CORE] = DOMAIN_RK3328("core", 0, BIT(0), BIT(0), false),
- [RK3328_PD_GPU] = DOMAIN_RK3328("gpu", 0, BIT(1), BIT(1), false),
- [RK3328_PD_BUS] = DOMAIN_RK3328("bus", 0, BIT(2), BIT(2), true),
- [RK3328_PD_MSCH] = DOMAIN_RK3328("msch", 0, BIT(3), BIT(3), true),
- [RK3328_PD_PERI] = DOMAIN_RK3328("peri", 0, BIT(4), BIT(4), true),
- [RK3328_PD_VIDEO] = DOMAIN_RK3328("video", 0, BIT(5), BIT(5), false),
- [RK3328_PD_HEVC] = DOMAIN_RK3328("hevc", 0, BIT(6), BIT(6), false),
- [RK3328_PD_VIO] = DOMAIN_RK3328("vio", 0, BIT(8), BIT(8), false),
- [RK3328_PD_VPU] = DOMAIN_RK3328("vpu", 0, BIT(9), BIT(9), false),
-};
-
-static const struct rockchip_domain_info rk3366_pm_domains[] = {
- [RK3366_PD_PERI] = DOMAIN_RK3368("peri", BIT(10), BIT(10), BIT(6), true),
- [RK3366_PD_VIO] = DOMAIN_RK3368("vio", BIT(14), BIT(14), BIT(8), false),
- [RK3366_PD_VIDEO] = DOMAIN_RK3368("video", BIT(13), BIT(13), BIT(7), false),
- [RK3366_PD_RKVDEC] = DOMAIN_RK3368("vdec", BIT(11), BIT(11), BIT(7), false),
- [RK3366_PD_WIFIBT] = DOMAIN_RK3368("wifibt", BIT(8), BIT(8), BIT(9), false),
- [RK3366_PD_VPU] = DOMAIN_RK3368("vpu", BIT(12), BIT(12), BIT(7), false),
- [RK3366_PD_GPU] = DOMAIN_RK3368("gpu", BIT(15), BIT(15), BIT(2), false),
-};
-
-static const struct rockchip_domain_info rk3368_pm_domains[] = {
- [RK3368_PD_PERI] = DOMAIN_RK3368("peri", BIT(13), BIT(12), BIT(6), true),
- [RK3368_PD_VIO] = DOMAIN_RK3368("vio", BIT(15), BIT(14), BIT(8), false),
- [RK3368_PD_VIDEO] = DOMAIN_RK3368("video", BIT(14), BIT(13), BIT(7), false),
- [RK3368_PD_GPU_0] = DOMAIN_RK3368("gpu_0", BIT(16), BIT(15), BIT(2), false),
- [RK3368_PD_GPU_1] = DOMAIN_RK3368("gpu_1", BIT(17), BIT(16), BIT(2), false),
-};
-
-static const struct rockchip_domain_info rk3399_pm_domains[] = {
- [RK3399_PD_TCPD0] = DOMAIN_RK3399("tcpd0", BIT(8), BIT(8), 0, false),
- [RK3399_PD_TCPD1] = DOMAIN_RK3399("tcpd1", BIT(9), BIT(9), 0, false),
- [RK3399_PD_CCI] = DOMAIN_RK3399("cci", BIT(10), BIT(10), 0, true),
- [RK3399_PD_CCI0] = DOMAIN_RK3399("cci0", 0, 0, BIT(15), true),
- [RK3399_PD_CCI1] = DOMAIN_RK3399("cci1", 0, 0, BIT(16), true),
- [RK3399_PD_PERILP] = DOMAIN_RK3399("perilp", BIT(11), BIT(11), BIT(1), true),
- [RK3399_PD_PERIHP] = DOMAIN_RK3399("perihp", BIT(12), BIT(12), BIT(2), true),
- [RK3399_PD_CENTER] = DOMAIN_RK3399("center", BIT(13), BIT(13), BIT(14), true),
- [RK3399_PD_VIO] = DOMAIN_RK3399("vio", BIT(14), BIT(14), BIT(17), false),
- [RK3399_PD_GPU] = DOMAIN_RK3399("gpu", BIT(15), BIT(15), BIT(0), false),
- [RK3399_PD_VCODEC] = DOMAIN_RK3399("vcodec", BIT(16), BIT(16), BIT(3), false),
- [RK3399_PD_VDU] = DOMAIN_RK3399("vdu", BIT(17), BIT(17), BIT(4), false),
- [RK3399_PD_RGA] = DOMAIN_RK3399("rga", BIT(18), BIT(18), BIT(5), false),
- [RK3399_PD_IEP] = DOMAIN_RK3399("iep", BIT(19), BIT(19), BIT(6), false),
- [RK3399_PD_VO] = DOMAIN_RK3399("vo", BIT(20), BIT(20), 0, false),
- [RK3399_PD_VOPB] = DOMAIN_RK3399("vopb", 0, 0, BIT(7), false),
- [RK3399_PD_VOPL] = DOMAIN_RK3399("vopl", 0, 0, BIT(8), false),
- [RK3399_PD_ISP0] = DOMAIN_RK3399("isp0", BIT(22), BIT(22), BIT(9), false),
- [RK3399_PD_ISP1] = DOMAIN_RK3399("isp1", BIT(23), BIT(23), BIT(10), false),
- [RK3399_PD_HDCP] = DOMAIN_RK3399("hdcp", BIT(24), BIT(24), BIT(11), false),
- [RK3399_PD_GMAC] = DOMAIN_RK3399("gmac", BIT(25), BIT(25), BIT(23), true),
- [RK3399_PD_EMMC] = DOMAIN_RK3399("emmc", BIT(26), BIT(26), BIT(24), true),
- [RK3399_PD_USB3] = DOMAIN_RK3399("usb3", BIT(27), BIT(27), BIT(12), true),
- [RK3399_PD_EDP] = DOMAIN_RK3399("edp", BIT(28), BIT(28), BIT(22), false),
- [RK3399_PD_GIC] = DOMAIN_RK3399("gic", BIT(29), BIT(29), BIT(27), true),
- [RK3399_PD_SD] = DOMAIN_RK3399("sd", BIT(30), BIT(30), BIT(28), true),
- [RK3399_PD_SDIOAUDIO] = DOMAIN_RK3399("sdioaudio", BIT(31), BIT(31), BIT(29), true),
-};
-
-static const struct rockchip_domain_info rk3568_pm_domains[] = {
- [RK3568_PD_NPU] = DOMAIN_RK3568("npu", BIT(1), BIT(2), false),
- [RK3568_PD_GPU] = DOMAIN_RK3568("gpu", BIT(0), BIT(1), false),
- [RK3568_PD_VI] = DOMAIN_RK3568("vi", BIT(6), BIT(3), false),
- [RK3568_PD_VO] = DOMAIN_RK3568("vo", BIT(7), BIT(4), false),
- [RK3568_PD_RGA] = DOMAIN_RK3568("rga", BIT(5), BIT(5), false),
- [RK3568_PD_VPU] = DOMAIN_RK3568("vpu", BIT(2), BIT(6), false),
- [RK3568_PD_RKVDEC] = DOMAIN_RK3568("vdec", BIT(4), BIT(8), false),
- [RK3568_PD_RKVENC] = DOMAIN_RK3568("venc", BIT(3), BIT(7), false),
- [RK3568_PD_PIPE] = DOMAIN_RK3568("pipe", BIT(8), BIT(11), false),
-};
-
-static const struct rockchip_domain_info rk3588_pm_domains[] = {
- [RK3588_PD_GPU] = DOMAIN_RK3588("gpu", 0x0, BIT(0), 0, 0x0, 0, BIT(1), 0x0, BIT(0), BIT(0), false),
- [RK3588_PD_NPU] = DOMAIN_RK3588("npu", 0x0, BIT(1), BIT(1), 0x0, 0, 0, 0x0, 0, 0, false),
- [RK3588_PD_VCODEC] = DOMAIN_RK3588("vcodec", 0x0, BIT(2), BIT(2), 0x0, 0, 0, 0x0, 0, 0, false),
- [RK3588_PD_NPUTOP] = DOMAIN_RK3588("nputop", 0x0, BIT(3), 0, 0x0, BIT(11), BIT(2), 0x0, BIT(1), BIT(1), false),
- [RK3588_PD_NPU1] = DOMAIN_RK3588("npu1", 0x0, BIT(4), 0, 0x0, BIT(12), BIT(3), 0x0, BIT(2), BIT(2), false),
- [RK3588_PD_NPU2] = DOMAIN_RK3588("npu2", 0x0, BIT(5), 0, 0x0, BIT(13), BIT(4), 0x0, BIT(3), BIT(3), false),
- [RK3588_PD_VENC0] = DOMAIN_RK3588("venc0", 0x0, BIT(6), 0, 0x0, BIT(14), BIT(5), 0x0, BIT(4), BIT(4), false),
- [RK3588_PD_VENC1] = DOMAIN_RK3588("venc1", 0x0, BIT(7), 0, 0x0, BIT(15), BIT(6), 0x0, BIT(5), BIT(5), false),
- [RK3588_PD_RKVDEC0] = DOMAIN_RK3588("rkvdec0", 0x0, BIT(8), 0, 0x0, BIT(16), BIT(7), 0x0, BIT(6), BIT(6), false),
- [RK3588_PD_RKVDEC1] = DOMAIN_RK3588("rkvdec1", 0x0, BIT(9), 0, 0x0, BIT(17), BIT(8), 0x0, BIT(7), BIT(7), false),
- [RK3588_PD_VDPU] = DOMAIN_RK3588("vdpu", 0x0, BIT(10), 0, 0x0, BIT(18), BIT(9), 0x0, BIT(8), BIT(8), false),
- [RK3588_PD_RGA30] = DOMAIN_RK3588("rga30", 0x0, BIT(11), 0, 0x0, BIT(19), BIT(10), 0x0, 0, 0, false),
- [RK3588_PD_AV1] = DOMAIN_RK3588("av1", 0x0, BIT(12), 0, 0x0, BIT(20), BIT(11), 0x0, BIT(9), BIT(9), false),
- [RK3588_PD_VI] = DOMAIN_RK3588("vi", 0x0, BIT(13), 0, 0x0, BIT(21), BIT(12), 0x0, BIT(10), BIT(10), false),
- [RK3588_PD_FEC] = DOMAIN_RK3588("fec", 0x0, BIT(14), 0, 0x0, BIT(22), BIT(13), 0x0, 0, 0, false),
- [RK3588_PD_ISP1] = DOMAIN_RK3588("isp1", 0x0, BIT(15), 0, 0x0, BIT(23), BIT(14), 0x0, BIT(11), BIT(11), false),
- [RK3588_PD_RGA31] = DOMAIN_RK3588("rga31", 0x4, BIT(0), 0, 0x0, BIT(24), BIT(15), 0x0, BIT(12), BIT(12), false),
- [RK3588_PD_VOP] = DOMAIN_RK3588("vop", 0x4, BIT(1), 0, 0x0, BIT(25), BIT(16), 0x0, BIT(13) | BIT(14), BIT(13) | BIT(14), false),
- [RK3588_PD_VO0] = DOMAIN_RK3588("vo0", 0x4, BIT(2), 0, 0x0, BIT(26), BIT(17), 0x0, BIT(15), BIT(15), false),
- [RK3588_PD_VO1] = DOMAIN_RK3588("vo1", 0x4, BIT(3), 0, 0x0, BIT(27), BIT(18), 0x4, BIT(0), BIT(16), false),
- [RK3588_PD_AUDIO] = DOMAIN_RK3588("audio", 0x4, BIT(4), 0, 0x0, BIT(28), BIT(19), 0x4, BIT(1), BIT(17), false),
- [RK3588_PD_PHP] = DOMAIN_RK3588("php", 0x4, BIT(5), 0, 0x0, BIT(29), BIT(20), 0x4, BIT(5), BIT(21), false),
- [RK3588_PD_GMAC] = DOMAIN_RK3588("gmac", 0x4, BIT(6), 0, 0x0, BIT(30), BIT(21), 0x0, 0, 0, false),
- [RK3588_PD_PCIE] = DOMAIN_RK3588("pcie", 0x4, BIT(7), 0, 0x0, BIT(31), BIT(22), 0x0, 0, 0, true),
- [RK3588_PD_NVM] = DOMAIN_RK3588("nvm", 0x4, BIT(8), BIT(24), 0x4, 0, 0, 0x4, BIT(2), BIT(18), false),
- [RK3588_PD_NVM0] = DOMAIN_RK3588("nvm0", 0x4, BIT(9), 0, 0x4, BIT(1), BIT(23), 0x0, 0, 0, false),
- [RK3588_PD_SDIO] = DOMAIN_RK3588("sdio", 0x4, BIT(10), 0, 0x4, BIT(2), BIT(24), 0x4, BIT(3), BIT(19), false),
- [RK3588_PD_USB] = DOMAIN_RK3588("usb", 0x4, BIT(11), 0, 0x4, BIT(3), BIT(25), 0x4, BIT(4), BIT(20), true),
- [RK3588_PD_SDMMC] = DOMAIN_RK3588("sdmmc", 0x4, BIT(13), 0, 0x4, BIT(5), BIT(26), 0x0, 0, 0, false),
-};
-
-static const struct rockchip_pmu_info px30_pmu = {
- .pwr_offset = 0x18,
- .status_offset = 0x20,
- .req_offset = 0x64,
- .idle_offset = 0x6c,
- .ack_offset = 0x6c,
-
- .num_domains = ARRAY_SIZE(px30_pm_domains),
- .domain_info = px30_pm_domains,
-};
-
-static const struct rockchip_pmu_info rk3036_pmu = {
- .req_offset = 0x148,
- .idle_offset = 0x14c,
- .ack_offset = 0x14c,
-
- .num_domains = ARRAY_SIZE(rk3036_pm_domains),
- .domain_info = rk3036_pm_domains,
-};
-
-static const struct rockchip_pmu_info rk3066_pmu = {
- .pwr_offset = 0x08,
- .status_offset = 0x0c,
- .req_offset = 0x38, /* PMU_MISC_CON1 */
- .idle_offset = 0x0c,
- .ack_offset = 0x0c,
-
- .num_domains = ARRAY_SIZE(rk3066_pm_domains),
- .domain_info = rk3066_pm_domains,
-};
-
-static const struct rockchip_pmu_info rk3128_pmu = {
- .pwr_offset = 0x04,
- .status_offset = 0x08,
- .req_offset = 0x0c,
- .idle_offset = 0x10,
- .ack_offset = 0x10,
-
- .num_domains = ARRAY_SIZE(rk3128_pm_domains),
- .domain_info = rk3128_pm_domains,
-};
-
-static const struct rockchip_pmu_info rk3188_pmu = {
- .pwr_offset = 0x08,
- .status_offset = 0x0c,
- .req_offset = 0x38, /* PMU_MISC_CON1 */
- .idle_offset = 0x0c,
- .ack_offset = 0x0c,
-
- .num_domains = ARRAY_SIZE(rk3188_pm_domains),
- .domain_info = rk3188_pm_domains,
-};
-
-static const struct rockchip_pmu_info rk3228_pmu = {
- .req_offset = 0x40c,
- .idle_offset = 0x488,
- .ack_offset = 0x488,
-
- .num_domains = ARRAY_SIZE(rk3228_pm_domains),
- .domain_info = rk3228_pm_domains,
-};
-
-static const struct rockchip_pmu_info rk3288_pmu = {
- .pwr_offset = 0x08,
- .status_offset = 0x0c,
- .req_offset = 0x10,
- .idle_offset = 0x14,
- .ack_offset = 0x14,
-
- .core_pwrcnt_offset = 0x34,
- .gpu_pwrcnt_offset = 0x3c,
-
- .core_power_transition_time = 24, /* 1us */
- .gpu_power_transition_time = 24, /* 1us */
-
- .num_domains = ARRAY_SIZE(rk3288_pm_domains),
- .domain_info = rk3288_pm_domains,
-};
-
-static const struct rockchip_pmu_info rk3328_pmu = {
- .req_offset = 0x414,
- .idle_offset = 0x484,
- .ack_offset = 0x484,
-
- .num_domains = ARRAY_SIZE(rk3328_pm_domains),
- .domain_info = rk3328_pm_domains,
-};
-
-static const struct rockchip_pmu_info rk3366_pmu = {
- .pwr_offset = 0x0c,
- .status_offset = 0x10,
- .req_offset = 0x3c,
- .idle_offset = 0x40,
- .ack_offset = 0x40,
-
- .core_pwrcnt_offset = 0x48,
- .gpu_pwrcnt_offset = 0x50,
-
- .core_power_transition_time = 24,
- .gpu_power_transition_time = 24,
-
- .num_domains = ARRAY_SIZE(rk3366_pm_domains),
- .domain_info = rk3366_pm_domains,
-};
-
-static const struct rockchip_pmu_info rk3368_pmu = {
- .pwr_offset = 0x0c,
- .status_offset = 0x10,
- .req_offset = 0x3c,
- .idle_offset = 0x40,
- .ack_offset = 0x40,
-
- .core_pwrcnt_offset = 0x48,
- .gpu_pwrcnt_offset = 0x50,
-
- .core_power_transition_time = 24,
- .gpu_power_transition_time = 24,
-
- .num_domains = ARRAY_SIZE(rk3368_pm_domains),
- .domain_info = rk3368_pm_domains,
-};
-
-static const struct rockchip_pmu_info rk3399_pmu = {
- .pwr_offset = 0x14,
- .status_offset = 0x18,
- .req_offset = 0x60,
- .idle_offset = 0x64,
- .ack_offset = 0x68,
-
- /* ARM Trusted Firmware manages power transition times */
-
- .num_domains = ARRAY_SIZE(rk3399_pm_domains),
- .domain_info = rk3399_pm_domains,
-};
-
-static const struct rockchip_pmu_info rk3568_pmu = {
- .pwr_offset = 0xa0,
- .status_offset = 0x98,
- .req_offset = 0x50,
- .idle_offset = 0x68,
- .ack_offset = 0x60,
-
- .num_domains = ARRAY_SIZE(rk3568_pm_domains),
- .domain_info = rk3568_pm_domains,
-};
-
-static const struct rockchip_pmu_info rk3588_pmu = {
- .pwr_offset = 0x14c,
- .status_offset = 0x180,
- .req_offset = 0x10c,
- .idle_offset = 0x120,
- .ack_offset = 0x118,
- .mem_pwr_offset = 0x1a0,
- .chain_status_offset = 0x1f0,
- .mem_status_offset = 0x1f8,
- .repair_status_offset = 0x290,
-
- .num_domains = ARRAY_SIZE(rk3588_pm_domains),
- .domain_info = rk3588_pm_domains,
-};
-
-static const struct rockchip_pmu_info rv1126_pmu = {
- .pwr_offset = 0x110,
- .status_offset = 0x108,
- .req_offset = 0xc0,
- .idle_offset = 0xd8,
- .ack_offset = 0xd0,
-
- .num_domains = ARRAY_SIZE(rv1126_pm_domains),
- .domain_info = rv1126_pm_domains,
-};
-
-static const struct of_device_id rockchip_pm_domain_dt_match[] = {
- {
- .compatible = "rockchip,px30-power-controller",
- .data = (void *)&px30_pmu,
- },
- {
- .compatible = "rockchip,rk3036-power-controller",
- .data = (void *)&rk3036_pmu,
- },
- {
- .compatible = "rockchip,rk3066-power-controller",
- .data = (void *)&rk3066_pmu,
- },
- {
- .compatible = "rockchip,rk3128-power-controller",
- .data = (void *)&rk3128_pmu,
- },
- {
- .compatible = "rockchip,rk3188-power-controller",
- .data = (void *)&rk3188_pmu,
- },
- {
- .compatible = "rockchip,rk3228-power-controller",
- .data = (void *)&rk3228_pmu,
- },
- {
- .compatible = "rockchip,rk3288-power-controller",
- .data = (void *)&rk3288_pmu,
- },
- {
- .compatible = "rockchip,rk3328-power-controller",
- .data = (void *)&rk3328_pmu,
- },
- {
- .compatible = "rockchip,rk3366-power-controller",
- .data = (void *)&rk3366_pmu,
- },
- {
- .compatible = "rockchip,rk3368-power-controller",
- .data = (void *)&rk3368_pmu,
- },
- {
- .compatible = "rockchip,rk3399-power-controller",
- .data = (void *)&rk3399_pmu,
- },
- {
- .compatible = "rockchip,rk3568-power-controller",
- .data = (void *)&rk3568_pmu,
- },
- {
- .compatible = "rockchip,rk3588-power-controller",
- .data = (void *)&rk3588_pmu,
- },
- {
- .compatible = "rockchip,rv1126-power-controller",
- .data = (void *)&rv1126_pmu,
- },
- { /* sentinel */ },
-};
-
-static struct platform_driver rockchip_pm_domain_driver = {
- .probe = rockchip_pm_domain_probe,
- .driver = {
- .name = "rockchip-pm-domain",
- .of_match_table = rockchip_pm_domain_dt_match,
- /*
- * We can't forcibly eject devices from the power
- * domain, so we can't really remove power domains
- * once they were added.
- */
- .suppress_bind_attrs = true,
- },
-};
-
-static int __init rockchip_pm_domain_drv_register(void)
-{
- return platform_driver_register(&rockchip_pm_domain_driver);
-}
-postcore_initcall(rockchip_pm_domain_drv_register);
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_EXYNOS_PM_DOMAINS) += exynos-pm-domains.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-//
-// Exynos Generic power domain support.
-//
-// Copyright (c) 2012 Samsung Electronics Co., Ltd.
-// http://www.samsung.com
-//
-// Implementation of Exynos specific power domain control which is used in
-// conjunction with runtime-pm. Support for both device-tree and non-device-tree
-// based power domain support is included.
-
-#include <linux/io.h>
-#include <linux/err.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/pm_domain.h>
-#include <linux/delay.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/pm_runtime.h>
-
-struct exynos_pm_domain_config {
- /* Value for LOCAL_PWR_CFG and STATUS fields for each domain */
- u32 local_pwr_cfg;
-};
-
-/*
- * Exynos specific wrapper around the generic power domain
- */
-struct exynos_pm_domain {
- void __iomem *base;
- struct generic_pm_domain pd;
- u32 local_pwr_cfg;
-};
-
-static int exynos_pd_power(struct generic_pm_domain *domain, bool power_on)
-{
- struct exynos_pm_domain *pd;
- void __iomem *base;
- u32 timeout, pwr;
- char *op;
-
- pd = container_of(domain, struct exynos_pm_domain, pd);
- base = pd->base;
-
- pwr = power_on ? pd->local_pwr_cfg : 0;
- writel_relaxed(pwr, base);
-
- /* Wait max 1ms */
- timeout = 10;
-
- while ((readl_relaxed(base + 0x4) & pd->local_pwr_cfg) != pwr) {
- if (!timeout) {
- op = (power_on) ? "enable" : "disable";
- pr_err("Power domain %s %s failed\n", domain->name, op);
- return -ETIMEDOUT;
- }
- timeout--;
- cpu_relax();
- usleep_range(80, 100);
- }
-
- return 0;
-}
-
-static int exynos_pd_power_on(struct generic_pm_domain *domain)
-{
- return exynos_pd_power(domain, true);
-}
-
-static int exynos_pd_power_off(struct generic_pm_domain *domain)
-{
- return exynos_pd_power(domain, false);
-}
-
-static const struct exynos_pm_domain_config exynos4210_cfg = {
- .local_pwr_cfg = 0x7,
-};
-
-static const struct exynos_pm_domain_config exynos5433_cfg = {
- .local_pwr_cfg = 0xf,
-};
-
-static const struct of_device_id exynos_pm_domain_of_match[] = {
- {
- .compatible = "samsung,exynos4210-pd",
- .data = &exynos4210_cfg,
- }, {
- .compatible = "samsung,exynos5433-pd",
- .data = &exynos5433_cfg,
- },
- { },
-};
-
-static const char *exynos_get_domain_name(struct device_node *node)
-{
- const char *name;
-
- if (of_property_read_string(node, "label", &name) < 0)
- name = kbasename(node->full_name);
- return kstrdup_const(name, GFP_KERNEL);
-}
-
-static int exynos_pd_probe(struct platform_device *pdev)
-{
- const struct exynos_pm_domain_config *pm_domain_cfg;
- struct device *dev = &pdev->dev;
- struct device_node *np = dev->of_node;
- struct of_phandle_args child, parent;
- struct exynos_pm_domain *pd;
- int on, ret;
-
- pm_domain_cfg = of_device_get_match_data(dev);
- pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
- if (!pd)
- return -ENOMEM;
-
- pd->pd.name = exynos_get_domain_name(np);
- if (!pd->pd.name)
- return -ENOMEM;
-
- pd->base = of_iomap(np, 0);
- if (!pd->base) {
- kfree_const(pd->pd.name);
- return -ENODEV;
- }
-
- pd->pd.power_off = exynos_pd_power_off;
- pd->pd.power_on = exynos_pd_power_on;
- pd->local_pwr_cfg = pm_domain_cfg->local_pwr_cfg;
-
- on = readl_relaxed(pd->base + 0x4) & pd->local_pwr_cfg;
-
- pm_genpd_init(&pd->pd, NULL, !on);
- ret = of_genpd_add_provider_simple(np, &pd->pd);
-
- if (ret == 0 && of_parse_phandle_with_args(np, "power-domains",
- "#power-domain-cells", 0, &parent) == 0) {
- child.np = np;
- child.args_count = 0;
-
- if (of_genpd_add_subdomain(&parent, &child))
- pr_warn("%pOF failed to add subdomain: %pOF\n",
- parent.np, child.np);
- else
- pr_info("%pOF has as child subdomain: %pOF.\n",
- parent.np, child.np);
- }
-
- pm_runtime_enable(dev);
- return ret;
-}
-
-static struct platform_driver exynos_pd_driver = {
- .probe = exynos_pd_probe,
- .driver = {
- .name = "exynos-pd",
- .of_match_table = exynos_pm_domain_of_match,
- .suppress_bind_attrs = true,
- }
-};
-
-static __init int exynos4_pm_init_power_domain(void)
-{
- return platform_driver_register(&exynos_pd_driver);
-}
-core_initcall(exynos4_pm_init_power_domain);
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_ARCH_U8500) += ste-ux500-pm-domain.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) 2014 Linaro Ltd.
- *
- * Author: Ulf Hansson <ulf.hansson@linaro.org>
- *
- * Implements PM domains using the generic PM domain for ux500.
- */
-#include <linux/device.h>
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-#include <linux/printk.h>
-#include <linux/slab.h>
-#include <linux/err.h>
-#include <linux/of.h>
-#include <linux/pm_domain.h>
-
-#include <dt-bindings/arm/ux500_pm_domains.h>
-
-static int pd_power_off(struct generic_pm_domain *domain)
-{
- /*
- * Handle the gating of the PM domain regulator here.
- *
- * Drivers/subsystems handling devices in the PM domain needs to perform
- * register context save/restore from their respective runtime PM
- * callbacks, to be able to enable PM domain gating/ungating.
- */
- return 0;
-}
-
-static int pd_power_on(struct generic_pm_domain *domain)
-{
- /*
- * Handle the ungating of the PM domain regulator here.
- *
- * Drivers/subsystems handling devices in the PM domain needs to perform
- * register context save/restore from their respective runtime PM
- * callbacks, to be able to enable PM domain gating/ungating.
- */
- return 0;
-}
-
-static struct generic_pm_domain ux500_pm_domain_vape = {
- .name = "VAPE",
- .power_off = pd_power_off,
- .power_on = pd_power_on,
-};
-
-static struct generic_pm_domain *ux500_pm_domains[NR_DOMAINS] = {
- [DOMAIN_VAPE] = &ux500_pm_domain_vape,
-};
-
-static const struct of_device_id ux500_pm_domain_matches[] = {
- { .compatible = "stericsson,ux500-pm-domains", },
- { },
-};
-
-static int ux500_pm_domains_probe(struct platform_device *pdev)
-{
- struct device_node *np = pdev->dev.of_node;
- struct genpd_onecell_data *genpd_data;
- int i;
-
- if (!np)
- return -ENODEV;
-
- genpd_data = kzalloc(sizeof(*genpd_data), GFP_KERNEL);
- if (!genpd_data)
- return -ENOMEM;
-
- genpd_data->domains = ux500_pm_domains;
- genpd_data->num_domains = ARRAY_SIZE(ux500_pm_domains);
-
- for (i = 0; i < ARRAY_SIZE(ux500_pm_domains); ++i)
- pm_genpd_init(ux500_pm_domains[i], NULL, false);
-
- of_genpd_add_provider_onecell(np, genpd_data);
- return 0;
-}
-
-static struct platform_driver ux500_pm_domains_driver = {
- .probe = ux500_pm_domains_probe,
- .driver = {
- .name = "ux500_pm_domains",
- .of_match_table = ux500_pm_domain_matches,
- },
-};
-
-static int __init ux500_pm_domains_init(void)
-{
- return platform_driver_register(&ux500_pm_domains_driver);
-}
-arch_initcall(ux500_pm_domains_init);
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_JH71XX_PMU) += jh71xx-pmu.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * StarFive JH71XX PMU (Power Management Unit) Controller Driver
- *
- * Copyright (C) 2022 StarFive Technology Co., Ltd.
- */
-
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <dt-bindings/power/starfive,jh7110-pmu.h>
-
-/* register offset */
-#define JH71XX_PMU_SW_TURN_ON_POWER 0x0C
-#define JH71XX_PMU_SW_TURN_OFF_POWER 0x10
-#define JH71XX_PMU_SW_ENCOURAGE 0x44
-#define JH71XX_PMU_TIMER_INT_MASK 0x48
-#define JH71XX_PMU_CURR_POWER_MODE 0x80
-#define JH71XX_PMU_EVENT_STATUS 0x88
-#define JH71XX_PMU_INT_STATUS 0x8C
-
-/* sw encourage cfg */
-#define JH71XX_PMU_SW_ENCOURAGE_EN_LO 0x05
-#define JH71XX_PMU_SW_ENCOURAGE_EN_HI 0x50
-#define JH71XX_PMU_SW_ENCOURAGE_DIS_LO 0x0A
-#define JH71XX_PMU_SW_ENCOURAGE_DIS_HI 0xA0
-#define JH71XX_PMU_SW_ENCOURAGE_ON 0xFF
-
-/* pmu int status */
-#define JH71XX_PMU_INT_SEQ_DONE BIT(0)
-#define JH71XX_PMU_INT_HW_REQ BIT(1)
-#define JH71XX_PMU_INT_SW_FAIL GENMASK(3, 2)
-#define JH71XX_PMU_INT_HW_FAIL GENMASK(5, 4)
-#define JH71XX_PMU_INT_PCH_FAIL GENMASK(8, 6)
-#define JH71XX_PMU_INT_ALL_MASK GENMASK(8, 0)
-
-/*
- * The time required for switching power status is based on the time
- * to turn on the largest domain's power, which is at microsecond level
- */
-#define JH71XX_PMU_TIMEOUT_US 100
-
-struct jh71xx_domain_info {
- const char * const name;
- unsigned int flags;
- u8 bit;
-};
-
-struct jh71xx_pmu_match_data {
- const struct jh71xx_domain_info *domain_info;
- int num_domains;
-};
-
-struct jh71xx_pmu {
- struct device *dev;
- const struct jh71xx_pmu_match_data *match_data;
- void __iomem *base;
- struct generic_pm_domain **genpd;
- struct genpd_onecell_data genpd_data;
- int irq;
- spinlock_t lock; /* protects pmu reg */
-};
-
-struct jh71xx_pmu_dev {
- const struct jh71xx_domain_info *domain_info;
- struct jh71xx_pmu *pmu;
- struct generic_pm_domain genpd;
-};
-
-static int jh71xx_pmu_get_state(struct jh71xx_pmu_dev *pmd, u32 mask, bool *is_on)
-{
- struct jh71xx_pmu *pmu = pmd->pmu;
-
- if (!mask)
- return -EINVAL;
-
- *is_on = readl(pmu->base + JH71XX_PMU_CURR_POWER_MODE) & mask;
-
- return 0;
-}
-
-static int jh71xx_pmu_set_state(struct jh71xx_pmu_dev *pmd, u32 mask, bool on)
-{
- struct jh71xx_pmu *pmu = pmd->pmu;
- unsigned long flags;
- u32 val;
- u32 mode;
- u32 encourage_lo;
- u32 encourage_hi;
- bool is_on;
- int ret;
-
- ret = jh71xx_pmu_get_state(pmd, mask, &is_on);
- if (ret) {
- dev_dbg(pmu->dev, "unable to get current state for %s\n",
- pmd->genpd.name);
- return ret;
- }
-
- if (is_on == on) {
- dev_dbg(pmu->dev, "pm domain [%s] is already %sable status.\n",
- pmd->genpd.name, on ? "en" : "dis");
- return 0;
- }
-
- spin_lock_irqsave(&pmu->lock, flags);
-
- /*
- * The PMU accepts software encourage to switch power mode in the following 2 steps:
- *
- * 1.Configure the register SW_TURN_ON_POWER (offset 0x0c) by writing 1 to
- * the bit corresponding to the power domain that will be turned on
- * and writing 0 to the others.
- * Likewise, configure the register SW_TURN_OFF_POWER (offset 0x10) by
- * writing 1 to the bit corresponding to the power domain that will be
- * turned off and writing 0 to the others.
- */
- if (on) {
- mode = JH71XX_PMU_SW_TURN_ON_POWER;
- encourage_lo = JH71XX_PMU_SW_ENCOURAGE_EN_LO;
- encourage_hi = JH71XX_PMU_SW_ENCOURAGE_EN_HI;
- } else {
- mode = JH71XX_PMU_SW_TURN_OFF_POWER;
- encourage_lo = JH71XX_PMU_SW_ENCOURAGE_DIS_LO;
- encourage_hi = JH71XX_PMU_SW_ENCOURAGE_DIS_HI;
- }
-
- writel(mask, pmu->base + mode);
-
- /*
- * 2.Write SW encourage command sequence to the Software Encourage Reg (offset 0x44)
- * First write SW_MODE_ENCOURAGE_ON to JH71XX_PMU_SW_ENCOURAGE. This will reset
- * the state machine which parses the command sequence. This register must be
- * written every time software wants to power on/off a domain.
- * Then write the lower bits of the command sequence, followed by the upper
- * bits. The sequence differs between powering on & off a domain.
- */
- writel(JH71XX_PMU_SW_ENCOURAGE_ON, pmu->base + JH71XX_PMU_SW_ENCOURAGE);
- writel(encourage_lo, pmu->base + JH71XX_PMU_SW_ENCOURAGE);
- writel(encourage_hi, pmu->base + JH71XX_PMU_SW_ENCOURAGE);
-
- spin_unlock_irqrestore(&pmu->lock, flags);
-
- /* Wait for the power domain bit to be enabled / disabled */
- if (on) {
- ret = readl_poll_timeout_atomic(pmu->base + JH71XX_PMU_CURR_POWER_MODE,
- val, val & mask,
- 1, JH71XX_PMU_TIMEOUT_US);
- } else {
- ret = readl_poll_timeout_atomic(pmu->base + JH71XX_PMU_CURR_POWER_MODE,
- val, !(val & mask),
- 1, JH71XX_PMU_TIMEOUT_US);
- }
-
- if (ret) {
- dev_err(pmu->dev, "%s: failed to power %s\n",
- pmd->genpd.name, on ? "on" : "off");
- return -ETIMEDOUT;
- }
-
- return 0;
-}
-
-static int jh71xx_pmu_on(struct generic_pm_domain *genpd)
-{
- struct jh71xx_pmu_dev *pmd = container_of(genpd,
- struct jh71xx_pmu_dev, genpd);
- u32 pwr_mask = BIT(pmd->domain_info->bit);
-
- return jh71xx_pmu_set_state(pmd, pwr_mask, true);
-}
-
-static int jh71xx_pmu_off(struct generic_pm_domain *genpd)
-{
- struct jh71xx_pmu_dev *pmd = container_of(genpd,
- struct jh71xx_pmu_dev, genpd);
- u32 pwr_mask = BIT(pmd->domain_info->bit);
-
- return jh71xx_pmu_set_state(pmd, pwr_mask, false);
-}
-
-static void jh71xx_pmu_int_enable(struct jh71xx_pmu *pmu, u32 mask, bool enable)
-{
- u32 val;
- unsigned long flags;
-
- spin_lock_irqsave(&pmu->lock, flags);
- val = readl(pmu->base + JH71XX_PMU_TIMER_INT_MASK);
-
- if (enable)
- val &= ~mask;
- else
- val |= mask;
-
- writel(val, pmu->base + JH71XX_PMU_TIMER_INT_MASK);
- spin_unlock_irqrestore(&pmu->lock, flags);
-}
-
-static irqreturn_t jh71xx_pmu_interrupt(int irq, void *data)
-{
- struct jh71xx_pmu *pmu = data;
- u32 val;
-
- val = readl(pmu->base + JH71XX_PMU_INT_STATUS);
-
- if (val & JH71XX_PMU_INT_SEQ_DONE)
- dev_dbg(pmu->dev, "sequence done.\n");
- if (val & JH71XX_PMU_INT_HW_REQ)
- dev_dbg(pmu->dev, "hardware encourage requestion.\n");
- if (val & JH71XX_PMU_INT_SW_FAIL)
- dev_err(pmu->dev, "software encourage fail.\n");
- if (val & JH71XX_PMU_INT_HW_FAIL)
- dev_err(pmu->dev, "hardware encourage fail.\n");
- if (val & JH71XX_PMU_INT_PCH_FAIL)
- dev_err(pmu->dev, "p-channel fail event.\n");
-
- /* clear interrupts */
- writel(val, pmu->base + JH71XX_PMU_INT_STATUS);
- writel(val, pmu->base + JH71XX_PMU_EVENT_STATUS);
-
- return IRQ_HANDLED;
-}
-
-static int jh71xx_pmu_init_domain(struct jh71xx_pmu *pmu, int index)
-{
- struct jh71xx_pmu_dev *pmd;
- u32 pwr_mask;
- int ret;
- bool is_on = false;
-
- pmd = devm_kzalloc(pmu->dev, sizeof(*pmd), GFP_KERNEL);
- if (!pmd)
- return -ENOMEM;
-
- pmd->domain_info = &pmu->match_data->domain_info[index];
- pmd->pmu = pmu;
- pwr_mask = BIT(pmd->domain_info->bit);
-
- pmd->genpd.name = pmd->domain_info->name;
- pmd->genpd.flags = pmd->domain_info->flags;
-
- ret = jh71xx_pmu_get_state(pmd, pwr_mask, &is_on);
- if (ret)
- dev_warn(pmu->dev, "unable to get current state for %s\n",
- pmd->genpd.name);
-
- pmd->genpd.power_on = jh71xx_pmu_on;
- pmd->genpd.power_off = jh71xx_pmu_off;
- pm_genpd_init(&pmd->genpd, NULL, !is_on);
-
- pmu->genpd_data.domains[index] = &pmd->genpd;
-
- return 0;
-}
-
-static int jh71xx_pmu_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct device_node *np = dev->of_node;
- const struct jh71xx_pmu_match_data *match_data;
- struct jh71xx_pmu *pmu;
- unsigned int i;
- int ret;
-
- pmu = devm_kzalloc(dev, sizeof(*pmu), GFP_KERNEL);
- if (!pmu)
- return -ENOMEM;
-
- pmu->base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(pmu->base))
- return PTR_ERR(pmu->base);
-
- pmu->irq = platform_get_irq(pdev, 0);
- if (pmu->irq < 0)
- return pmu->irq;
-
- ret = devm_request_irq(dev, pmu->irq, jh71xx_pmu_interrupt,
- 0, pdev->name, pmu);
- if (ret)
- dev_err(dev, "failed to request irq\n");
-
- match_data = of_device_get_match_data(dev);
- if (!match_data)
- return -EINVAL;
-
- pmu->genpd = devm_kcalloc(dev, match_data->num_domains,
- sizeof(struct generic_pm_domain *),
- GFP_KERNEL);
- if (!pmu->genpd)
- return -ENOMEM;
-
- pmu->dev = dev;
- pmu->match_data = match_data;
- pmu->genpd_data.domains = pmu->genpd;
- pmu->genpd_data.num_domains = match_data->num_domains;
-
- for (i = 0; i < match_data->num_domains; i++) {
- ret = jh71xx_pmu_init_domain(pmu, i);
- if (ret) {
- dev_err(dev, "failed to initialize power domain\n");
- return ret;
- }
- }
-
- spin_lock_init(&pmu->lock);
- jh71xx_pmu_int_enable(pmu, JH71XX_PMU_INT_ALL_MASK & ~JH71XX_PMU_INT_PCH_FAIL, true);
-
- ret = of_genpd_add_provider_onecell(np, &pmu->genpd_data);
- if (ret) {
- dev_err(dev, "failed to register genpd driver: %d\n", ret);
- return ret;
- }
-
- dev_dbg(dev, "registered %u power domains\n", i);
-
- return 0;
-}
-
-static const struct jh71xx_domain_info jh7110_power_domains[] = {
- [JH7110_PD_SYSTOP] = {
- .name = "SYSTOP",
- .bit = 0,
- .flags = GENPD_FLAG_ALWAYS_ON,
- },
- [JH7110_PD_CPU] = {
- .name = "CPU",
- .bit = 1,
- .flags = GENPD_FLAG_ALWAYS_ON,
- },
- [JH7110_PD_GPUA] = {
- .name = "GPUA",
- .bit = 2,
- },
- [JH7110_PD_VDEC] = {
- .name = "VDEC",
- .bit = 3,
- },
- [JH7110_PD_VOUT] = {
- .name = "VOUT",
- .bit = 4,
- },
- [JH7110_PD_ISP] = {
- .name = "ISP",
- .bit = 5,
- },
- [JH7110_PD_VENC] = {
- .name = "VENC",
- .bit = 6,
- },
-};
-
-static const struct jh71xx_pmu_match_data jh7110_pmu = {
- .num_domains = ARRAY_SIZE(jh7110_power_domains),
- .domain_info = jh7110_power_domains,
-};
-
-static const struct of_device_id jh71xx_pmu_of_match[] = {
- {
- .compatible = "starfive,jh7110-pmu",
- .data = (void *)&jh7110_pmu,
- }, {
- /* sentinel */
- }
-};
-
-static struct platform_driver jh71xx_pmu_driver = {
- .probe = jh71xx_pmu_probe,
- .driver = {
- .name = "jh71xx-pmu",
- .of_match_table = jh71xx_pmu_of_match,
- .suppress_bind_attrs = true,
- },
-};
-builtin_platform_driver(jh71xx_pmu_driver);
-
-MODULE_AUTHOR("Walker Chen <walker.chen@starfivetech.com>");
-MODULE_DESCRIPTION("StarFive JH71XX PMU Driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_SUN20I_PPU) += sun20i-ppu.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-
-#include <linux/bitfield.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/reset.h>
-
-#define PD_STATE_ON 1
-#define PD_STATE_OFF 2
-
-#define PD_RSTN_REG 0x00
-#define PD_CLK_GATE_REG 0x04
-#define PD_PWROFF_GATE_REG 0x08
-#define PD_PSW_ON_REG 0x0c
-#define PD_PSW_OFF_REG 0x10
-#define PD_PSW_DELAY_REG 0x14
-#define PD_OFF_DELAY_REG 0x18
-#define PD_ON_DELAY_REG 0x1c
-#define PD_COMMAND_REG 0x20
-#define PD_STATUS_REG 0x24
-#define PD_STATUS_COMPLETE BIT(1)
-#define PD_STATUS_BUSY BIT(3)
-#define PD_STATUS_STATE GENMASK(17, 16)
-#define PD_ACTIVE_CTRL_REG 0x2c
-#define PD_GATE_STATUS_REG 0x30
-#define PD_RSTN_STATUS BIT(0)
-#define PD_CLK_GATE_STATUS BIT(1)
-#define PD_PWROFF_GATE_STATUS BIT(2)
-#define PD_PSW_STATUS_REG 0x34
-
-#define PD_REGS_SIZE 0x80
-
-struct sun20i_ppu_desc {
- const char *const *names;
- unsigned int num_domains;
-};
-
-struct sun20i_ppu_pd {
- struct generic_pm_domain genpd;
- void __iomem *base;
-};
-
-#define to_sun20i_ppu_pd(_genpd) \
- container_of(_genpd, struct sun20i_ppu_pd, genpd)
-
-static bool sun20i_ppu_pd_is_on(const struct sun20i_ppu_pd *pd)
-{
- u32 status = readl(pd->base + PD_STATUS_REG);
-
- return FIELD_GET(PD_STATUS_STATE, status) == PD_STATE_ON;
-}
-
-static int sun20i_ppu_pd_set_power(const struct sun20i_ppu_pd *pd, bool power_on)
-{
- u32 state, status;
- int ret;
-
- if (sun20i_ppu_pd_is_on(pd) == power_on)
- return 0;
-
- /* Wait for the power controller to be idle. */
- ret = readl_poll_timeout(pd->base + PD_STATUS_REG, status,
- !(status & PD_STATUS_BUSY), 100, 1000);
- if (ret)
- return ret;
-
- state = power_on ? PD_STATE_ON : PD_STATE_OFF;
- writel(state, pd->base + PD_COMMAND_REG);
-
- /* Wait for the state transition to complete. */
- ret = readl_poll_timeout(pd->base + PD_STATUS_REG, status,
- FIELD_GET(PD_STATUS_STATE, status) == state &&
- (status & PD_STATUS_COMPLETE), 100, 1000);
- if (ret)
- return ret;
-
- /* Clear the completion flag. */
- writel(status, pd->base + PD_STATUS_REG);
-
- return 0;
-}
-
-static int sun20i_ppu_pd_power_on(struct generic_pm_domain *genpd)
-{
- const struct sun20i_ppu_pd *pd = to_sun20i_ppu_pd(genpd);
-
- return sun20i_ppu_pd_set_power(pd, true);
-}
-
-static int sun20i_ppu_pd_power_off(struct generic_pm_domain *genpd)
-{
- const struct sun20i_ppu_pd *pd = to_sun20i_ppu_pd(genpd);
-
- return sun20i_ppu_pd_set_power(pd, false);
-}
-
-static int sun20i_ppu_probe(struct platform_device *pdev)
-{
- const struct sun20i_ppu_desc *desc;
- struct device *dev = &pdev->dev;
- struct genpd_onecell_data *ppu;
- struct sun20i_ppu_pd *pds;
- struct reset_control *rst;
- void __iomem *base;
- struct clk *clk;
- int ret;
-
- desc = of_device_get_match_data(dev);
- if (!desc)
- return -EINVAL;
-
- pds = devm_kcalloc(dev, desc->num_domains, sizeof(*pds), GFP_KERNEL);
- if (!pds)
- return -ENOMEM;
-
- ppu = devm_kzalloc(dev, sizeof(*ppu), GFP_KERNEL);
- if (!ppu)
- return -ENOMEM;
-
- ppu->domains = devm_kcalloc(dev, desc->num_domains,
- sizeof(*ppu->domains), GFP_KERNEL);
- if (!ppu->domains)
- return -ENOMEM;
-
- ppu->num_domains = desc->num_domains;
- platform_set_drvdata(pdev, ppu);
-
- base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(base))
- return PTR_ERR(base);
-
- clk = devm_clk_get_enabled(dev, NULL);
- if (IS_ERR(clk))
- return PTR_ERR(clk);
-
- rst = devm_reset_control_get_exclusive(dev, NULL);
- if (IS_ERR(rst))
- return PTR_ERR(rst);
-
- ret = reset_control_deassert(rst);
- if (ret)
- return ret;
-
- for (unsigned int i = 0; i < ppu->num_domains; ++i) {
- struct sun20i_ppu_pd *pd = &pds[i];
-
- pd->genpd.name = desc->names[i];
- pd->genpd.power_off = sun20i_ppu_pd_power_off;
- pd->genpd.power_on = sun20i_ppu_pd_power_on;
- pd->base = base + PD_REGS_SIZE * i;
-
- ret = pm_genpd_init(&pd->genpd, NULL, sun20i_ppu_pd_is_on(pd));
- if (ret) {
- dev_warn(dev, "Failed to add '%s' domain: %d\n",
- pd->genpd.name, ret);
- continue;
- }
-
- ppu->domains[i] = &pd->genpd;
- }
-
- ret = of_genpd_add_provider_onecell(dev->of_node, ppu);
- if (ret)
- dev_warn(dev, "Failed to add provider: %d\n", ret);
-
- return 0;
-}
-
-static const char *const sun20i_d1_ppu_pd_names[] = {
- "CPU",
- "VE",
- "DSP",
-};
-
-static const struct sun20i_ppu_desc sun20i_d1_ppu_desc = {
- .names = sun20i_d1_ppu_pd_names,
- .num_domains = ARRAY_SIZE(sun20i_d1_ppu_pd_names),
-};
-
-static const struct of_device_id sun20i_ppu_of_match[] = {
- {
- .compatible = "allwinner,sun20i-d1-ppu",
- .data = &sun20i_d1_ppu_desc,
- },
- { }
-};
-MODULE_DEVICE_TABLE(of, sun20i_ppu_of_match);
-
-static struct platform_driver sun20i_ppu_driver = {
- .probe = sun20i_ppu_probe,
- .driver = {
- .name = "sun20i-ppu",
- .of_match_table = sun20i_ppu_of_match,
- /* Power domains cannot be removed while they are in use. */
- .suppress_bind_attrs = true,
- },
-};
-module_platform_driver(sun20i_ppu_driver);
-
-MODULE_AUTHOR("Samuel Holland <samuel@sholland.org>");
-MODULE_DESCRIPTION("Allwinner D1 PPU power domain driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_SOC_TEGRA_POWERGATE_BPMP) += powergate-bpmp.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2016-2017, NVIDIA CORPORATION. All rights reserved
- */
-
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/slab.h>
-
-#include <soc/tegra/bpmp.h>
-#include <soc/tegra/bpmp-abi.h>
-
-struct tegra_powergate_info {
- unsigned int id;
- char *name;
-};
-
-struct tegra_powergate {
- struct generic_pm_domain genpd;
- struct tegra_bpmp *bpmp;
- unsigned int id;
-};
-
-static inline struct tegra_powergate *
-to_tegra_powergate(struct generic_pm_domain *genpd)
-{
- return container_of(genpd, struct tegra_powergate, genpd);
-}
-
-static int tegra_bpmp_powergate_set_state(struct tegra_bpmp *bpmp,
- unsigned int id, u32 state)
-{
- struct mrq_pg_request request;
- struct tegra_bpmp_message msg;
- int err;
-
- memset(&request, 0, sizeof(request));
- request.cmd = CMD_PG_SET_STATE;
- request.id = id;
- request.set_state.state = state;
-
- memset(&msg, 0, sizeof(msg));
- msg.mrq = MRQ_PG;
- msg.tx.data = &request;
- msg.tx.size = sizeof(request);
-
- err = tegra_bpmp_transfer(bpmp, &msg);
- if (err < 0)
- return err;
- else if (msg.rx.ret < 0)
- return -EINVAL;
-
- return 0;
-}
-
-static int tegra_bpmp_powergate_get_state(struct tegra_bpmp *bpmp,
- unsigned int id)
-{
- struct mrq_pg_response response;
- struct mrq_pg_request request;
- struct tegra_bpmp_message msg;
- int err;
-
- memset(&request, 0, sizeof(request));
- request.cmd = CMD_PG_GET_STATE;
- request.id = id;
-
- memset(&response, 0, sizeof(response));
-
- memset(&msg, 0, sizeof(msg));
- msg.mrq = MRQ_PG;
- msg.tx.data = &request;
- msg.tx.size = sizeof(request);
- msg.rx.data = &response;
- msg.rx.size = sizeof(response);
-
- err = tegra_bpmp_transfer(bpmp, &msg);
- if (err < 0)
- return PG_STATE_OFF;
- else if (msg.rx.ret < 0)
- return -EINVAL;
-
- return response.get_state.state;
-}
-
-static int tegra_bpmp_powergate_get_max_id(struct tegra_bpmp *bpmp)
-{
- struct mrq_pg_response response;
- struct mrq_pg_request request;
- struct tegra_bpmp_message msg;
- int err;
-
- memset(&request, 0, sizeof(request));
- request.cmd = CMD_PG_GET_MAX_ID;
-
- memset(&response, 0, sizeof(response));
-
- memset(&msg, 0, sizeof(msg));
- msg.mrq = MRQ_PG;
- msg.tx.data = &request;
- msg.tx.size = sizeof(request);
- msg.rx.data = &response;
- msg.rx.size = sizeof(response);
-
- err = tegra_bpmp_transfer(bpmp, &msg);
- if (err < 0)
- return err;
- else if (msg.rx.ret < 0)
- return -EINVAL;
-
- return response.get_max_id.max_id;
-}
-
-static char *tegra_bpmp_powergate_get_name(struct tegra_bpmp *bpmp,
- unsigned int id)
-{
- struct mrq_pg_response response;
- struct mrq_pg_request request;
- struct tegra_bpmp_message msg;
- int err;
-
- memset(&request, 0, sizeof(request));
- request.cmd = CMD_PG_GET_NAME;
- request.id = id;
-
- memset(&response, 0, sizeof(response));
-
- memset(&msg, 0, sizeof(msg));
- msg.mrq = MRQ_PG;
- msg.tx.data = &request;
- msg.tx.size = sizeof(request);
- msg.rx.data = &response;
- msg.rx.size = sizeof(response);
-
- err = tegra_bpmp_transfer(bpmp, &msg);
- if (err < 0 || msg.rx.ret < 0)
- return NULL;
-
- return kstrdup(response.get_name.name, GFP_KERNEL);
-}
-
-static inline bool tegra_bpmp_powergate_is_powered(struct tegra_bpmp *bpmp,
- unsigned int id)
-{
- return tegra_bpmp_powergate_get_state(bpmp, id) != PG_STATE_OFF;
-}
-
-static int tegra_powergate_power_on(struct generic_pm_domain *domain)
-{
- struct tegra_powergate *powergate = to_tegra_powergate(domain);
- struct tegra_bpmp *bpmp = powergate->bpmp;
-
- return tegra_bpmp_powergate_set_state(bpmp, powergate->id,
- PG_STATE_ON);
-}
-
-static int tegra_powergate_power_off(struct generic_pm_domain *domain)
-{
- struct tegra_powergate *powergate = to_tegra_powergate(domain);
- struct tegra_bpmp *bpmp = powergate->bpmp;
-
- return tegra_bpmp_powergate_set_state(bpmp, powergate->id,
- PG_STATE_OFF);
-}
-
-static struct tegra_powergate *
-tegra_powergate_add(struct tegra_bpmp *bpmp,
- const struct tegra_powergate_info *info)
-{
- struct tegra_powergate *powergate;
- bool off;
- int err;
-
- off = !tegra_bpmp_powergate_is_powered(bpmp, info->id);
-
- powergate = devm_kzalloc(bpmp->dev, sizeof(*powergate), GFP_KERNEL);
- if (!powergate)
- return ERR_PTR(-ENOMEM);
-
- powergate->id = info->id;
- powergate->bpmp = bpmp;
-
- powergate->genpd.name = kstrdup(info->name, GFP_KERNEL);
- powergate->genpd.power_on = tegra_powergate_power_on;
- powergate->genpd.power_off = tegra_powergate_power_off;
-
- err = pm_genpd_init(&powergate->genpd, NULL, off);
- if (err < 0) {
- kfree(powergate->genpd.name);
- return ERR_PTR(err);
- }
-
- return powergate;
-}
-
-static void tegra_powergate_remove(struct tegra_powergate *powergate)
-{
- struct generic_pm_domain *genpd = &powergate->genpd;
- struct tegra_bpmp *bpmp = powergate->bpmp;
- int err;
-
- err = pm_genpd_remove(genpd);
- if (err < 0)
- dev_err(bpmp->dev, "failed to remove power domain %s: %d\n",
- genpd->name, err);
-
- kfree(genpd->name);
-}
-
-static int
-tegra_bpmp_probe_powergates(struct tegra_bpmp *bpmp,
- struct tegra_powergate_info **powergatesp)
-{
- struct tegra_powergate_info *powergates;
- unsigned int max_id, id, count = 0;
- unsigned int num_holes = 0;
- int err;
-
- err = tegra_bpmp_powergate_get_max_id(bpmp);
- if (err < 0)
- return err;
-
- max_id = err;
-
- dev_dbg(bpmp->dev, "maximum powergate ID: %u\n", max_id);
-
- powergates = kcalloc(max_id + 1, sizeof(*powergates), GFP_KERNEL);
- if (!powergates)
- return -ENOMEM;
-
- for (id = 0; id <= max_id; id++) {
- struct tegra_powergate_info *info = &powergates[count];
-
- info->name = tegra_bpmp_powergate_get_name(bpmp, id);
- if (!info->name || info->name[0] == '\0') {
- num_holes++;
- continue;
- }
-
- info->id = id;
- count++;
- }
-
- dev_dbg(bpmp->dev, "holes: %u\n", num_holes);
-
- *powergatesp = powergates;
-
- return count;
-}
-
-static int tegra_bpmp_add_powergates(struct tegra_bpmp *bpmp,
- struct tegra_powergate_info *powergates,
- unsigned int count)
-{
- struct genpd_onecell_data *genpd = &bpmp->genpd;
- struct generic_pm_domain **domains;
- struct tegra_powergate *powergate;
- unsigned int i;
- int err;
-
- domains = kcalloc(count, sizeof(*domains), GFP_KERNEL);
- if (!domains)
- return -ENOMEM;
-
- for (i = 0; i < count; i++) {
- powergate = tegra_powergate_add(bpmp, &powergates[i]);
- if (IS_ERR(powergate)) {
- err = PTR_ERR(powergate);
- goto remove;
- }
-
- dev_dbg(bpmp->dev, "added power domain %s\n",
- powergate->genpd.name);
- domains[i] = &powergate->genpd;
- }
-
- genpd->num_domains = count;
- genpd->domains = domains;
-
- return 0;
-
-remove:
- while (i--) {
- powergate = to_tegra_powergate(domains[i]);
- tegra_powergate_remove(powergate);
- }
-
- kfree(domains);
- return err;
-}
-
-static void tegra_bpmp_remove_powergates(struct tegra_bpmp *bpmp)
-{
- struct genpd_onecell_data *genpd = &bpmp->genpd;
- unsigned int i = genpd->num_domains;
- struct tegra_powergate *powergate;
-
- while (i--) {
- dev_dbg(bpmp->dev, "removing power domain %s\n",
- genpd->domains[i]->name);
- powergate = to_tegra_powergate(genpd->domains[i]);
- tegra_powergate_remove(powergate);
- }
-}
-
-static struct generic_pm_domain *
-tegra_powergate_xlate(struct of_phandle_args *spec, void *data)
-{
- struct generic_pm_domain *domain = ERR_PTR(-ENOENT);
- struct genpd_onecell_data *genpd = data;
- unsigned int i;
-
- for (i = 0; i < genpd->num_domains; i++) {
- struct tegra_powergate *powergate;
-
- powergate = to_tegra_powergate(genpd->domains[i]);
- if (powergate->id == spec->args[0]) {
- domain = &powergate->genpd;
- break;
- }
- }
-
- return domain;
-}
-
-int tegra_bpmp_init_powergates(struct tegra_bpmp *bpmp)
-{
- struct device_node *np = bpmp->dev->of_node;
- struct tegra_powergate_info *powergates;
- struct device *dev = bpmp->dev;
- unsigned int count, i;
- int err;
-
- err = tegra_bpmp_probe_powergates(bpmp, &powergates);
- if (err < 0)
- return err;
-
- count = err;
-
- dev_dbg(dev, "%u power domains probed\n", count);
-
- err = tegra_bpmp_add_powergates(bpmp, powergates, count);
- if (err < 0)
- goto free;
-
- bpmp->genpd.xlate = tegra_powergate_xlate;
-
- err = of_genpd_add_provider_onecell(np, &bpmp->genpd);
- if (err < 0) {
- dev_err(dev, "failed to add power domain provider: %d\n", err);
- tegra_bpmp_remove_powergates(bpmp);
- }
-
-free:
- for (i = 0; i < count; i++)
- kfree(powergates[i].name);
-
- kfree(powergates);
- return err;
-}
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_ARCH_OMAP2PLUS) += omap_prm.o
-obj-$(CONFIG_TI_SCI_PM_DOMAINS) += ti_sci_pm_domains.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * OMAP2+ PRM driver
- *
- * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
- * Tero Kristo <t-kristo@ti.com>
- */
-
-#include <linux/kernel.h>
-#include <linux/clk.h>
-#include <linux/device.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/pm_clock.h>
-#include <linux/pm_domain.h>
-#include <linux/reset-controller.h>
-#include <linux/delay.h>
-
-#include <linux/platform_data/ti-prm.h>
-
-enum omap_prm_domain_mode {
- OMAP_PRMD_OFF,
- OMAP_PRMD_RETENTION,
- OMAP_PRMD_ON_INACTIVE,
- OMAP_PRMD_ON_ACTIVE,
-};
-
-struct omap_prm_domain_map {
- unsigned int usable_modes; /* Mask of hardware supported modes */
- unsigned long statechange:1; /* Optional low-power state change */
- unsigned long logicretstate:1; /* Optional logic off mode */
-};
-
-struct omap_prm_domain {
- struct device *dev;
- struct omap_prm *prm;
- struct generic_pm_domain pd;
- u16 pwrstctrl;
- u16 pwrstst;
- const struct omap_prm_domain_map *cap;
- u32 pwrstctrl_saved;
- unsigned int uses_pm_clk:1;
-};
-
-struct omap_rst_map {
- s8 rst;
- s8 st;
-};
-
-struct omap_prm_data {
- u32 base;
- const char *name;
- const char *clkdm_name;
- u16 pwrstctrl;
- u16 pwrstst;
- const struct omap_prm_domain_map *dmap;
- u16 rstctrl;
- u16 rstst;
- const struct omap_rst_map *rstmap;
- u8 flags;
-};
-
-struct omap_prm {
- const struct omap_prm_data *data;
- void __iomem *base;
- struct omap_prm_domain *prmd;
-};
-
-struct omap_reset_data {
- struct reset_controller_dev rcdev;
- struct omap_prm *prm;
- u32 mask;
- spinlock_t lock;
- struct clockdomain *clkdm;
- struct device *dev;
-};
-
-#define genpd_to_prm_domain(gpd) container_of(gpd, struct omap_prm_domain, pd)
-#define to_omap_reset_data(p) container_of((p), struct omap_reset_data, rcdev)
-
-#define OMAP_MAX_RESETS 8
-#define OMAP_RESET_MAX_WAIT 10000
-
-#define OMAP_PRM_HAS_RSTCTRL BIT(0)
-#define OMAP_PRM_HAS_RSTST BIT(1)
-#define OMAP_PRM_HAS_NO_CLKDM BIT(2)
-#define OMAP_PRM_RET_WHEN_IDLE BIT(3)
-
-#define OMAP_PRM_HAS_RESETS (OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_RSTST)
-
-#define PRM_STATE_MAX_WAIT 10000
-#define PRM_LOGICRETSTATE BIT(2)
-#define PRM_LOWPOWERSTATECHANGE BIT(4)
-#define PRM_POWERSTATE_MASK OMAP_PRMD_ON_ACTIVE
-
-#define PRM_ST_INTRANSITION BIT(20)
-
-static const struct omap_prm_domain_map omap_prm_all = {
- .usable_modes = BIT(OMAP_PRMD_ON_ACTIVE) | BIT(OMAP_PRMD_ON_INACTIVE) |
- BIT(OMAP_PRMD_RETENTION) | BIT(OMAP_PRMD_OFF),
- .statechange = 1,
- .logicretstate = 1,
-};
-
-static const struct omap_prm_domain_map omap_prm_noinact = {
- .usable_modes = BIT(OMAP_PRMD_ON_ACTIVE) | BIT(OMAP_PRMD_RETENTION) |
- BIT(OMAP_PRMD_OFF),
- .statechange = 1,
- .logicretstate = 1,
-};
-
-static const struct omap_prm_domain_map omap_prm_nooff = {
- .usable_modes = BIT(OMAP_PRMD_ON_ACTIVE) | BIT(OMAP_PRMD_ON_INACTIVE) |
- BIT(OMAP_PRMD_RETENTION),
- .statechange = 1,
- .logicretstate = 1,
-};
-
-static const struct omap_prm_domain_map omap_prm_onoff_noauto = {
- .usable_modes = BIT(OMAP_PRMD_ON_ACTIVE) | BIT(OMAP_PRMD_OFF),
- .statechange = 1,
-};
-
-static const struct omap_prm_domain_map omap_prm_alwon = {
- .usable_modes = BIT(OMAP_PRMD_ON_ACTIVE),
-};
-
-static const struct omap_prm_domain_map omap_prm_reton = {
- .usable_modes = BIT(OMAP_PRMD_ON_ACTIVE) | BIT(OMAP_PRMD_RETENTION),
- .statechange = 1,
- .logicretstate = 1,
-};
-
-static const struct omap_rst_map rst_map_0[] = {
- { .rst = 0, .st = 0 },
- { .rst = -1 },
-};
-
-static const struct omap_rst_map rst_map_01[] = {
- { .rst = 0, .st = 0 },
- { .rst = 1, .st = 1 },
- { .rst = -1 },
-};
-
-static const struct omap_rst_map rst_map_012[] = {
- { .rst = 0, .st = 0 },
- { .rst = 1, .st = 1 },
- { .rst = 2, .st = 2 },
- { .rst = -1 },
-};
-
-static const struct omap_prm_data omap4_prm_data[] = {
- {
- .name = "mpu", .base = 0x4a306300,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton,
- },
- {
- .name = "tesla", .base = 0x4a306400,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact,
- .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01
- },
- {
- .name = "abe", .base = 0x4a306500,
- .pwrstctrl = 0, .pwrstst = 0x4, .dmap = &omap_prm_all,
- },
- {
- .name = "always_on_core", .base = 0x4a306600,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
- },
- {
- .name = "core", .base = 0x4a306700,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton,
- .rstctrl = 0x210, .rstst = 0x214, .clkdm_name = "ducati",
- .rstmap = rst_map_012,
- .flags = OMAP_PRM_RET_WHEN_IDLE,
- },
- {
- .name = "ivahd", .base = 0x4a306f00,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact,
- .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_012
- },
- {
- .name = "cam", .base = 0x4a307000,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
- },
- {
- .name = "dss", .base = 0x4a307100,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact
- },
- {
- .name = "gfx", .base = 0x4a307200,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto
- },
- {
- .name = "l3init", .base = 0x4a307300,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton
- },
- {
- .name = "l4per", .base = 0x4a307400,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton,
- .flags = OMAP_PRM_RET_WHEN_IDLE,
- },
- {
- .name = "cefuse", .base = 0x4a307600,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto
- },
- {
- .name = "wkup", .base = 0x4a307700,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon
- },
- {
- .name = "emu", .base = 0x4a307900,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto
- },
- {
- .name = "device", .base = 0x4a307b00,
- .rstctrl = 0x0, .rstst = 0x4, .rstmap = rst_map_01,
- .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM
- },
- { },
-};
-
-static const struct omap_prm_data omap5_prm_data[] = {
- {
- .name = "mpu", .base = 0x4ae06300,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton,
- },
- {
- .name = "dsp", .base = 0x4ae06400,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact,
- .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01
- },
- {
- .name = "abe", .base = 0x4ae06500,
- .pwrstctrl = 0, .pwrstst = 0x4, .dmap = &omap_prm_nooff,
- },
- {
- .name = "coreaon", .base = 0x4ae06600,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon
- },
- {
- .name = "core", .base = 0x4ae06700,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton,
- .rstctrl = 0x210, .rstst = 0x214, .clkdm_name = "ipu",
- .rstmap = rst_map_012
- },
- {
- .name = "iva", .base = 0x4ae07200,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact,
- .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_012
- },
- {
- .name = "cam", .base = 0x4ae07300,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto
- },
- {
- .name = "dss", .base = 0x4ae07400,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact
- },
- {
- .name = "gpu", .base = 0x4ae07500,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto
- },
- {
- .name = "l3init", .base = 0x4ae07600,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton
- },
- {
- .name = "custefuse", .base = 0x4ae07700,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto
- },
- {
- .name = "wkupaon", .base = 0x4ae07800,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon
- },
- {
- .name = "emu", .base = 0x4ae07a00,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto
- },
- {
- .name = "device", .base = 0x4ae07c00,
- .rstctrl = 0x0, .rstst = 0x4, .rstmap = rst_map_01,
- .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM
- },
- { },
-};
-
-static const struct omap_prm_data dra7_prm_data[] = {
- {
- .name = "mpu", .base = 0x4ae06300,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton,
- },
- {
- .name = "dsp1", .base = 0x4ae06400,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
- .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01,
- },
- {
- .name = "ipu", .base = 0x4ae06500,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
- .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_012,
- .clkdm_name = "ipu1"
- },
- {
- .name = "coreaon", .base = 0x4ae06628,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
- },
- {
- .name = "core", .base = 0x4ae06700,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
- .rstctrl = 0x210, .rstst = 0x214, .rstmap = rst_map_012,
- .clkdm_name = "ipu2"
- },
- {
- .name = "iva", .base = 0x4ae06f00,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
- .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_012,
- },
- {
- .name = "cam", .base = 0x4ae07000,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
- },
- {
- .name = "dss", .base = 0x4ae07100,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
- },
- {
- .name = "gpu", .base = 0x4ae07200,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
- },
- {
- .name = "l3init", .base = 0x4ae07300,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
- .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01,
- .clkdm_name = "pcie"
- },
- {
- .name = "l4per", .base = 0x4ae07400,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
- },
- {
- .name = "custefuse", .base = 0x4ae07600,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
- },
- {
- .name = "wkupaon", .base = 0x4ae07724,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
- },
- {
- .name = "emu", .base = 0x4ae07900,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
- },
- {
- .name = "dsp2", .base = 0x4ae07b00,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
- .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01
- },
- {
- .name = "eve1", .base = 0x4ae07b40,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
- .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01
- },
- {
- .name = "eve2", .base = 0x4ae07b80,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
- .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01
- },
- {
- .name = "eve3", .base = 0x4ae07bc0,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
- .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01
- },
- {
- .name = "eve4", .base = 0x4ae07c00,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
- .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01
- },
- {
- .name = "rtc", .base = 0x4ae07c60,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
- },
- {
- .name = "vpe", .base = 0x4ae07c80,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
- },
- { },
-};
-
-static const struct omap_rst_map am3_per_rst_map[] = {
- { .rst = 1 },
- { .rst = -1 },
-};
-
-static const struct omap_rst_map am3_wkup_rst_map[] = {
- { .rst = 3, .st = 5 },
- { .rst = -1 },
-};
-
-static const struct omap_prm_data am3_prm_data[] = {
- {
- .name = "per", .base = 0x44e00c00,
- .pwrstctrl = 0xc, .pwrstst = 0x8, .dmap = &omap_prm_noinact,
- .rstctrl = 0x0, .rstmap = am3_per_rst_map,
- .flags = OMAP_PRM_HAS_RSTCTRL, .clkdm_name = "pruss_ocp"
- },
- {
- .name = "wkup", .base = 0x44e00d00,
- .pwrstctrl = 0x4, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
- .rstctrl = 0x0, .rstst = 0xc, .rstmap = am3_wkup_rst_map,
- .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM
- },
- {
- .name = "mpu", .base = 0x44e00e00,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact,
- },
- {
- .name = "device", .base = 0x44e00f00,
- .rstctrl = 0x0, .rstst = 0x8, .rstmap = rst_map_01,
- .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM
- },
- {
- .name = "rtc", .base = 0x44e01000,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
- },
- {
- .name = "gfx", .base = 0x44e01100,
- .pwrstctrl = 0, .pwrstst = 0x10, .dmap = &omap_prm_noinact,
- .rstctrl = 0x4, .rstst = 0x14, .rstmap = rst_map_0, .clkdm_name = "gfx_l3",
- },
- {
- .name = "cefuse", .base = 0x44e01200,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
- },
- { },
-};
-
-static const struct omap_rst_map am4_per_rst_map[] = {
- { .rst = 1, .st = 0 },
- { .rst = -1 },
-};
-
-static const struct omap_rst_map am4_device_rst_map[] = {
- { .rst = 0, .st = 1 },
- { .rst = 1, .st = 0 },
- { .rst = -1 },
-};
-
-static const struct omap_prm_data am4_prm_data[] = {
- {
- .name = "mpu", .base = 0x44df0300,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact,
- },
- {
- .name = "gfx", .base = 0x44df0400,
- .pwrstctrl = 0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
- .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_0, .clkdm_name = "gfx_l3",
- },
- {
- .name = "rtc", .base = 0x44df0500,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
- },
- {
- .name = "tamper", .base = 0x44df0600,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
- },
- {
- .name = "cefuse", .base = 0x44df0700,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
- },
- {
- .name = "per", .base = 0x44df0800,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact,
- .rstctrl = 0x10, .rstst = 0x14, .rstmap = am4_per_rst_map,
- .clkdm_name = "pruss_ocp"
- },
- {
- .name = "wkup", .base = 0x44df2000,
- .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
- .rstctrl = 0x10, .rstst = 0x14, .rstmap = am3_wkup_rst_map,
- .flags = OMAP_PRM_HAS_NO_CLKDM
- },
- {
- .name = "device", .base = 0x44df4000,
- .rstctrl = 0x0, .rstst = 0x4, .rstmap = am4_device_rst_map,
- .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM
- },
- { },
-};
-
-static const struct of_device_id omap_prm_id_table[] = {
- { .compatible = "ti,omap4-prm-inst", .data = omap4_prm_data },
- { .compatible = "ti,omap5-prm-inst", .data = omap5_prm_data },
- { .compatible = "ti,dra7-prm-inst", .data = dra7_prm_data },
- { .compatible = "ti,am3-prm-inst", .data = am3_prm_data },
- { .compatible = "ti,am4-prm-inst", .data = am4_prm_data },
- { },
-};
-
-#ifdef DEBUG
-static void omap_prm_domain_show_state(struct omap_prm_domain *prmd,
- const char *desc)
-{
- dev_dbg(prmd->dev, "%s %s: %08x/%08x\n",
- prmd->pd.name, desc,
- readl_relaxed(prmd->prm->base + prmd->pwrstctrl),
- readl_relaxed(prmd->prm->base + prmd->pwrstst));
-}
-#else
-static inline void omap_prm_domain_show_state(struct omap_prm_domain *prmd,
- const char *desc)
-{
-}
-#endif
-
-static int omap_prm_domain_power_on(struct generic_pm_domain *domain)
-{
- struct omap_prm_domain *prmd;
- int ret;
- u32 v, mode;
-
- prmd = genpd_to_prm_domain(domain);
- if (!prmd->cap)
- return 0;
-
- omap_prm_domain_show_state(prmd, "on: previous state");
-
- if (prmd->pwrstctrl_saved)
- v = prmd->pwrstctrl_saved;
- else
- v = readl_relaxed(prmd->prm->base + prmd->pwrstctrl);
-
- if (prmd->prm->data->flags & OMAP_PRM_RET_WHEN_IDLE)
- mode = OMAP_PRMD_RETENTION;
- else
- mode = OMAP_PRMD_ON_ACTIVE;
-
- writel_relaxed((v & ~PRM_POWERSTATE_MASK) | mode,
- prmd->prm->base + prmd->pwrstctrl);
-
- /* wait for the transition bit to get cleared */
- ret = readl_relaxed_poll_timeout(prmd->prm->base + prmd->pwrstst,
- v, !(v & PRM_ST_INTRANSITION), 1,
- PRM_STATE_MAX_WAIT);
- if (ret)
- dev_err(prmd->dev, "%s: %s timed out\n",
- prmd->pd.name, __func__);
-
- omap_prm_domain_show_state(prmd, "on: new state");
-
- return ret;
-}
-
-/* No need to check for holes in the mask for the lowest mode */
-static int omap_prm_domain_find_lowest(struct omap_prm_domain *prmd)
-{
- return __ffs(prmd->cap->usable_modes);
-}
-
-static int omap_prm_domain_power_off(struct generic_pm_domain *domain)
-{
- struct omap_prm_domain *prmd;
- int ret;
- u32 v;
-
- prmd = genpd_to_prm_domain(domain);
- if (!prmd->cap)
- return 0;
-
- omap_prm_domain_show_state(prmd, "off: previous state");
-
- v = readl_relaxed(prmd->prm->base + prmd->pwrstctrl);
- prmd->pwrstctrl_saved = v;
-
- v &= ~PRM_POWERSTATE_MASK;
- v |= omap_prm_domain_find_lowest(prmd);
-
- if (prmd->cap->statechange)
- v |= PRM_LOWPOWERSTATECHANGE;
- if (prmd->cap->logicretstate)
- v &= ~PRM_LOGICRETSTATE;
- else
- v |= PRM_LOGICRETSTATE;
-
- writel_relaxed(v, prmd->prm->base + prmd->pwrstctrl);
-
- /* wait for the transition bit to get cleared */
- ret = readl_relaxed_poll_timeout(prmd->prm->base + prmd->pwrstst,
- v, !(v & PRM_ST_INTRANSITION), 1,
- PRM_STATE_MAX_WAIT);
- if (ret)
- dev_warn(prmd->dev, "%s: %s timed out\n",
- __func__, prmd->pd.name);
-
- omap_prm_domain_show_state(prmd, "off: new state");
-
- return 0;
-}
-
-/*
- * Note that ti-sysc already manages the module clocks separately so
- * no need to manage those. Interconnect instances need clocks managed
- * for simple-pm-bus.
- */
-static int omap_prm_domain_attach_clock(struct device *dev,
- struct omap_prm_domain *prmd)
-{
- struct device_node *np = dev->of_node;
- int error;
-
- if (!of_device_is_compatible(np, "simple-pm-bus"))
- return 0;
-
- if (!of_property_read_bool(np, "clocks"))
- return 0;
-
- error = pm_clk_create(dev);
- if (error)
- return error;
-
- error = of_pm_clk_add_clks(dev);
- if (error < 0) {
- pm_clk_destroy(dev);
- return error;
- }
-
- prmd->uses_pm_clk = 1;
-
- return 0;
-}
-
-static int omap_prm_domain_attach_dev(struct generic_pm_domain *domain,
- struct device *dev)
-{
- struct generic_pm_domain_data *genpd_data;
- struct of_phandle_args pd_args;
- struct omap_prm_domain *prmd;
- struct device_node *np;
- int ret;
-
- prmd = genpd_to_prm_domain(domain);
- np = dev->of_node;
-
- ret = of_parse_phandle_with_args(np, "power-domains",
- "#power-domain-cells", 0, &pd_args);
- if (ret < 0)
- return ret;
-
- if (pd_args.args_count != 0)
- dev_warn(dev, "%s: unusupported #power-domain-cells: %i\n",
- prmd->pd.name, pd_args.args_count);
-
- genpd_data = dev_gpd_data(dev);
- genpd_data->data = NULL;
-
- ret = omap_prm_domain_attach_clock(dev, prmd);
- if (ret)
- return ret;
-
- return 0;
-}
-
-static void omap_prm_domain_detach_dev(struct generic_pm_domain *domain,
- struct device *dev)
-{
- struct generic_pm_domain_data *genpd_data;
- struct omap_prm_domain *prmd;
-
- prmd = genpd_to_prm_domain(domain);
- if (prmd->uses_pm_clk)
- pm_clk_destroy(dev);
- genpd_data = dev_gpd_data(dev);
- genpd_data->data = NULL;
-}
-
-static int omap_prm_domain_init(struct device *dev, struct omap_prm *prm)
-{
- struct omap_prm_domain *prmd;
- struct device_node *np = dev->of_node;
- const struct omap_prm_data *data;
- const char *name;
- int error;
-
- if (!of_property_present(dev->of_node, "#power-domain-cells"))
- return 0;
-
- of_node_put(dev->of_node);
-
- prmd = devm_kzalloc(dev, sizeof(*prmd), GFP_KERNEL);
- if (!prmd)
- return -ENOMEM;
-
- data = prm->data;
- name = devm_kasprintf(dev, GFP_KERNEL, "prm_%s",
- data->name);
-
- prmd->dev = dev;
- prmd->prm = prm;
- prmd->cap = prmd->prm->data->dmap;
- prmd->pwrstctrl = prmd->prm->data->pwrstctrl;
- prmd->pwrstst = prmd->prm->data->pwrstst;
-
- prmd->pd.name = name;
- prmd->pd.power_on = omap_prm_domain_power_on;
- prmd->pd.power_off = omap_prm_domain_power_off;
- prmd->pd.attach_dev = omap_prm_domain_attach_dev;
- prmd->pd.detach_dev = omap_prm_domain_detach_dev;
- prmd->pd.flags = GENPD_FLAG_PM_CLK;
-
- pm_genpd_init(&prmd->pd, NULL, true);
- error = of_genpd_add_provider_simple(np, &prmd->pd);
- if (error)
- pm_genpd_remove(&prmd->pd);
- else
- prm->prmd = prmd;
-
- return error;
-}
-
-static bool _is_valid_reset(struct omap_reset_data *reset, unsigned long id)
-{
- if (reset->mask & BIT(id))
- return true;
-
- return false;
-}
-
-static int omap_reset_get_st_bit(struct omap_reset_data *reset,
- unsigned long id)
-{
- const struct omap_rst_map *map = reset->prm->data->rstmap;
-
- while (map->rst >= 0) {
- if (map->rst == id)
- return map->st;
-
- map++;
- }
-
- return id;
-}
-
-static int omap_reset_status(struct reset_controller_dev *rcdev,
- unsigned long id)
-{
- struct omap_reset_data *reset = to_omap_reset_data(rcdev);
- u32 v;
- int st_bit = omap_reset_get_st_bit(reset, id);
- bool has_rstst = reset->prm->data->rstst ||
- (reset->prm->data->flags & OMAP_PRM_HAS_RSTST);
-
- /* Check if we have rstst */
- if (!has_rstst)
- return -ENOTSUPP;
-
- /* Check if hw reset line is asserted */
- v = readl_relaxed(reset->prm->base + reset->prm->data->rstctrl);
- if (v & BIT(id))
- return 1;
-
- /*
- * Check reset status, high value means reset sequence has been
- * completed successfully so we can return 0 here (reset deasserted)
- */
- v = readl_relaxed(reset->prm->base + reset->prm->data->rstst);
- v >>= st_bit;
- v &= 1;
-
- return !v;
-}
-
-static int omap_reset_assert(struct reset_controller_dev *rcdev,
- unsigned long id)
-{
- struct omap_reset_data *reset = to_omap_reset_data(rcdev);
- u32 v;
- unsigned long flags;
-
- /* assert the reset control line */
- spin_lock_irqsave(&reset->lock, flags);
- v = readl_relaxed(reset->prm->base + reset->prm->data->rstctrl);
- v |= 1 << id;
- writel_relaxed(v, reset->prm->base + reset->prm->data->rstctrl);
- spin_unlock_irqrestore(&reset->lock, flags);
-
- return 0;
-}
-
-static int omap_reset_deassert(struct reset_controller_dev *rcdev,
- unsigned long id)
-{
- struct omap_reset_data *reset = to_omap_reset_data(rcdev);
- u32 v;
- int st_bit;
- bool has_rstst;
- unsigned long flags;
- struct ti_prm_platform_data *pdata = dev_get_platdata(reset->dev);
- int ret = 0;
-
- /* Nothing to do if the reset is already deasserted */
- if (!omap_reset_status(rcdev, id))
- return 0;
-
- has_rstst = reset->prm->data->rstst ||
- (reset->prm->data->flags & OMAP_PRM_HAS_RSTST);
-
- if (has_rstst) {
- st_bit = omap_reset_get_st_bit(reset, id);
-
- /* Clear the reset status by writing 1 to the status bit */
- v = 1 << st_bit;
- writel_relaxed(v, reset->prm->base + reset->prm->data->rstst);
- }
-
- if (reset->clkdm)
- pdata->clkdm_deny_idle(reset->clkdm);
-
- /* de-assert the reset control line */
- spin_lock_irqsave(&reset->lock, flags);
- v = readl_relaxed(reset->prm->base + reset->prm->data->rstctrl);
- v &= ~(1 << id);
- writel_relaxed(v, reset->prm->base + reset->prm->data->rstctrl);
- spin_unlock_irqrestore(&reset->lock, flags);
-
- /* wait for the reset bit to clear */
- ret = readl_relaxed_poll_timeout_atomic(reset->prm->base +
- reset->prm->data->rstctrl,
- v, !(v & BIT(id)), 1,
- OMAP_RESET_MAX_WAIT);
- if (ret)
- pr_err("%s: timedout waiting for %s:%lu\n", __func__,
- reset->prm->data->name, id);
-
- /* wait for the status to be set */
- if (has_rstst) {
- ret = readl_relaxed_poll_timeout_atomic(reset->prm->base +
- reset->prm->data->rstst,
- v, v & BIT(st_bit), 1,
- OMAP_RESET_MAX_WAIT);
- if (ret)
- pr_err("%s: timedout waiting for %s:%lu\n", __func__,
- reset->prm->data->name, id);
- }
-
- if (reset->clkdm)
- pdata->clkdm_allow_idle(reset->clkdm);
-
- return ret;
-}
-
-static const struct reset_control_ops omap_reset_ops = {
- .assert = omap_reset_assert,
- .deassert = omap_reset_deassert,
- .status = omap_reset_status,
-};
-
-static int omap_prm_reset_xlate(struct reset_controller_dev *rcdev,
- const struct of_phandle_args *reset_spec)
-{
- struct omap_reset_data *reset = to_omap_reset_data(rcdev);
-
- if (!_is_valid_reset(reset, reset_spec->args[0]))
- return -EINVAL;
-
- return reset_spec->args[0];
-}
-
-static int omap_prm_reset_init(struct platform_device *pdev,
- struct omap_prm *prm)
-{
- struct omap_reset_data *reset;
- const struct omap_rst_map *map;
- struct ti_prm_platform_data *pdata = dev_get_platdata(&pdev->dev);
- char buf[32];
- u32 v;
-
- /*
- * Check if we have controllable resets. If either rstctrl is non-zero
- * or OMAP_PRM_HAS_RSTCTRL flag is set, we have reset control register
- * for the domain.
- */
- if (!prm->data->rstctrl && !(prm->data->flags & OMAP_PRM_HAS_RSTCTRL))
- return 0;
-
- /* Check if we have the pdata callbacks in place */
- if (!pdata || !pdata->clkdm_lookup || !pdata->clkdm_deny_idle ||
- !pdata->clkdm_allow_idle)
- return -EINVAL;
-
- map = prm->data->rstmap;
- if (!map)
- return -EINVAL;
-
- reset = devm_kzalloc(&pdev->dev, sizeof(*reset), GFP_KERNEL);
- if (!reset)
- return -ENOMEM;
-
- reset->rcdev.owner = THIS_MODULE;
- reset->rcdev.ops = &omap_reset_ops;
- reset->rcdev.of_node = pdev->dev.of_node;
- reset->rcdev.nr_resets = OMAP_MAX_RESETS;
- reset->rcdev.of_xlate = omap_prm_reset_xlate;
- reset->rcdev.of_reset_n_cells = 1;
- reset->dev = &pdev->dev;
- spin_lock_init(&reset->lock);
-
- reset->prm = prm;
-
- sprintf(buf, "%s_clkdm", prm->data->clkdm_name ? prm->data->clkdm_name :
- prm->data->name);
-
- if (!(prm->data->flags & OMAP_PRM_HAS_NO_CLKDM)) {
- reset->clkdm = pdata->clkdm_lookup(buf);
- if (!reset->clkdm)
- return -EINVAL;
- }
-
- while (map->rst >= 0) {
- reset->mask |= BIT(map->rst);
- map++;
- }
-
- /* Quirk handling to assert rst_map_012 bits on reset and avoid errors */
- if (prm->data->rstmap == rst_map_012) {
- v = readl_relaxed(reset->prm->base + reset->prm->data->rstctrl);
- if ((v & reset->mask) != reset->mask) {
- dev_dbg(&pdev->dev, "Asserting all resets: %08x\n", v);
- writel_relaxed(reset->mask, reset->prm->base +
- reset->prm->data->rstctrl);
- }
- }
-
- return devm_reset_controller_register(&pdev->dev, &reset->rcdev);
-}
-
-static int omap_prm_probe(struct platform_device *pdev)
-{
- struct resource *res;
- const struct omap_prm_data *data;
- struct omap_prm *prm;
- int ret;
-
- data = of_device_get_match_data(&pdev->dev);
- if (!data)
- return -ENOTSUPP;
-
- prm = devm_kzalloc(&pdev->dev, sizeof(*prm), GFP_KERNEL);
- if (!prm)
- return -ENOMEM;
-
- prm->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
- if (IS_ERR(prm->base))
- return PTR_ERR(prm->base);
-
- while (data->base != res->start) {
- if (!data->base)
- return -EINVAL;
- data++;
- }
-
- prm->data = data;
-
- ret = omap_prm_domain_init(&pdev->dev, prm);
- if (ret)
- return ret;
-
- ret = omap_prm_reset_init(pdev, prm);
- if (ret)
- goto err_domain;
-
- return 0;
-
-err_domain:
- of_genpd_del_provider(pdev->dev.of_node);
- pm_genpd_remove(&prm->prmd->pd);
-
- return ret;
-}
-
-static struct platform_driver omap_prm_driver = {
- .probe = omap_prm_probe,
- .driver = {
- .name = KBUILD_MODNAME,
- .of_match_table = omap_prm_id_table,
- },
-};
-builtin_platform_driver(omap_prm_driver);
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * TI SCI Generic Power Domain Driver
- *
- * Copyright (C) 2015-2017 Texas Instruments Incorporated - http://www.ti.com/
- * J Keerthy <j-keerthy@ti.com>
- * Dave Gerlach <d-gerlach@ti.com>
- */
-
-#include <linux/err.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/slab.h>
-#include <linux/soc/ti/ti_sci_protocol.h>
-#include <dt-bindings/soc/ti,sci_pm_domain.h>
-
-/**
- * struct ti_sci_genpd_provider: holds common TI SCI genpd provider data
- * @ti_sci: handle to TI SCI protocol driver that provides ops to
- * communicate with system control processor.
- * @dev: pointer to dev for the driver for devm allocs
- * @pd_list: list of all the power domains on the device
- * @data: onecell data for genpd core
- */
-struct ti_sci_genpd_provider {
- const struct ti_sci_handle *ti_sci;
- struct device *dev;
- struct list_head pd_list;
- struct genpd_onecell_data data;
-};
-
-/**
- * struct ti_sci_pm_domain: TI specific data needed for power domain
- * @idx: index of the device that identifies it with the system
- * control processor.
- * @exclusive: Permissions for exclusive request or shared request of the
- * device.
- * @pd: generic_pm_domain for use with the genpd framework
- * @node: link for the genpd list
- * @parent: link to the parent TI SCI genpd provider
- */
-struct ti_sci_pm_domain {
- int idx;
- u8 exclusive;
- struct generic_pm_domain pd;
- struct list_head node;
- struct ti_sci_genpd_provider *parent;
-};
-
-#define genpd_to_ti_sci_pd(gpd) container_of(gpd, struct ti_sci_pm_domain, pd)
-
-/*
- * ti_sci_pd_power_off(): genpd power down hook
- * @domain: pointer to the powerdomain to power off
- */
-static int ti_sci_pd_power_off(struct generic_pm_domain *domain)
-{
- struct ti_sci_pm_domain *pd = genpd_to_ti_sci_pd(domain);
- const struct ti_sci_handle *ti_sci = pd->parent->ti_sci;
-
- return ti_sci->ops.dev_ops.put_device(ti_sci, pd->idx);
-}
-
-/*
- * ti_sci_pd_power_on(): genpd power up hook
- * @domain: pointer to the powerdomain to power on
- */
-static int ti_sci_pd_power_on(struct generic_pm_domain *domain)
-{
- struct ti_sci_pm_domain *pd = genpd_to_ti_sci_pd(domain);
- const struct ti_sci_handle *ti_sci = pd->parent->ti_sci;
-
- if (pd->exclusive)
- return ti_sci->ops.dev_ops.get_device_exclusive(ti_sci,
- pd->idx);
- else
- return ti_sci->ops.dev_ops.get_device(ti_sci, pd->idx);
-}
-
-/*
- * ti_sci_pd_xlate(): translation service for TI SCI genpds
- * @genpdspec: DT identification data for the genpd
- * @data: genpd core data for all the powerdomains on the device
- */
-static struct generic_pm_domain *ti_sci_pd_xlate(
- struct of_phandle_args *genpdspec,
- void *data)
-{
- struct genpd_onecell_data *genpd_data = data;
- unsigned int idx = genpdspec->args[0];
-
- if (genpdspec->args_count != 1 && genpdspec->args_count != 2)
- return ERR_PTR(-EINVAL);
-
- if (idx >= genpd_data->num_domains) {
- pr_err("%s: invalid domain index %u\n", __func__, idx);
- return ERR_PTR(-EINVAL);
- }
-
- if (!genpd_data->domains[idx])
- return ERR_PTR(-ENOENT);
-
- genpd_to_ti_sci_pd(genpd_data->domains[idx])->exclusive =
- genpdspec->args[1];
-
- return genpd_data->domains[idx];
-}
-
-static const struct of_device_id ti_sci_pm_domain_matches[] = {
- { .compatible = "ti,sci-pm-domain", },
- { },
-};
-MODULE_DEVICE_TABLE(of, ti_sci_pm_domain_matches);
-
-static int ti_sci_pm_domain_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct ti_sci_genpd_provider *pd_provider;
- struct ti_sci_pm_domain *pd;
- struct device_node *np;
- struct of_phandle_args args;
- int ret;
- u32 max_id = 0;
- int index;
-
- pd_provider = devm_kzalloc(dev, sizeof(*pd_provider), GFP_KERNEL);
- if (!pd_provider)
- return -ENOMEM;
-
- pd_provider->ti_sci = devm_ti_sci_get_handle(dev);
- if (IS_ERR(pd_provider->ti_sci))
- return PTR_ERR(pd_provider->ti_sci);
-
- pd_provider->dev = dev;
-
- INIT_LIST_HEAD(&pd_provider->pd_list);
-
- /* Find highest device ID used for power domains */
- for_each_node_with_property(np, "power-domains") {
- index = 0;
-
- while (1) {
- ret = of_parse_phandle_with_args(np, "power-domains",
- "#power-domain-cells",
- index, &args);
- if (ret)
- break;
-
- if (args.args_count >= 1 && args.np == dev->of_node) {
- if (args.args[0] > max_id)
- max_id = args.args[0];
-
- pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
- if (!pd)
- return -ENOMEM;
-
- pd->pd.name = devm_kasprintf(dev, GFP_KERNEL,
- "pd:%d",
- args.args[0]);
- if (!pd->pd.name)
- return -ENOMEM;
-
- pd->pd.power_off = ti_sci_pd_power_off;
- pd->pd.power_on = ti_sci_pd_power_on;
- pd->idx = args.args[0];
- pd->parent = pd_provider;
-
- pm_genpd_init(&pd->pd, NULL, true);
-
- list_add(&pd->node, &pd_provider->pd_list);
- }
- index++;
- }
- }
-
- pd_provider->data.domains =
- devm_kcalloc(dev, max_id + 1,
- sizeof(*pd_provider->data.domains),
- GFP_KERNEL);
- if (!pd_provider->data.domains)
- return -ENOMEM;
-
- pd_provider->data.num_domains = max_id + 1;
- pd_provider->data.xlate = ti_sci_pd_xlate;
-
- list_for_each_entry(pd, &pd_provider->pd_list, node)
- pd_provider->data.domains[pd->idx] = &pd->pd;
-
- return of_genpd_add_provider_onecell(dev->of_node, &pd_provider->data);
-}
-
-static struct platform_driver ti_sci_pm_domains_driver = {
- .probe = ti_sci_pm_domain_probe,
- .driver = {
- .name = "ti_sci_pm_domains",
- .of_match_table = ti_sci_pm_domain_matches,
- },
-};
-module_platform_driver(ti_sci_pm_domains_driver);
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("TI System Control Interface (SCI) Power Domain driver");
-MODULE_AUTHOR("Dave Gerlach");
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_ZYNQMP_PM_DOMAINS) += zynqmp-pm-domains.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * ZynqMP Generic PM domain support
- *
- * Copyright (C) 2015-2019 Xilinx, Inc.
- *
- * Davorin Mista <davorin.mista@aggios.com>
- * Jolly Shah <jollys@xilinx.com>
- * Rajan Vaja <rajan.vaja@xilinx.com>
- */
-
-#include <linux/err.h>
-#include <linux/list.h>
-#include <linux/module.h>
-#include <linux/of_platform.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/slab.h>
-
-#include <linux/firmware/xlnx-zynqmp.h>
-
-#define ZYNQMP_NUM_DOMAINS (100)
-
-static int min_capability;
-
-/**
- * struct zynqmp_pm_domain - Wrapper around struct generic_pm_domain
- * @gpd: Generic power domain
- * @node_id: PM node ID corresponding to device inside PM domain
- * @requested: The PM node mapped to the PM domain has been requested
- */
-struct zynqmp_pm_domain {
- struct generic_pm_domain gpd;
- u32 node_id;
- bool requested;
-};
-
-#define to_zynqmp_pm_domain(pm_domain) \
- container_of(pm_domain, struct zynqmp_pm_domain, gpd)
-
-/**
- * zynqmp_gpd_is_active_wakeup_path() - Check if device is in wakeup source
- * path
- * @dev: Device to check for wakeup source path
- * @not_used: Data member (not required)
- *
- * This function is checks device's child hierarchy and checks if any device is
- * set as wakeup source.
- *
- * Return: 1 if device is in wakeup source path else 0
- */
-static int zynqmp_gpd_is_active_wakeup_path(struct device *dev, void *not_used)
-{
- int may_wakeup;
-
- may_wakeup = device_may_wakeup(dev);
- if (may_wakeup)
- return may_wakeup;
-
- return device_for_each_child(dev, NULL,
- zynqmp_gpd_is_active_wakeup_path);
-}
-
-/**
- * zynqmp_gpd_power_on() - Power on PM domain
- * @domain: Generic PM domain
- *
- * This function is called before devices inside a PM domain are resumed, to
- * power on PM domain.
- *
- * Return: 0 on success, error code otherwise
- */
-static int zynqmp_gpd_power_on(struct generic_pm_domain *domain)
-{
- struct zynqmp_pm_domain *pd = to_zynqmp_pm_domain(domain);
- int ret;
-
- ret = zynqmp_pm_set_requirement(pd->node_id,
- ZYNQMP_PM_CAPABILITY_ACCESS,
- ZYNQMP_PM_MAX_QOS,
- ZYNQMP_PM_REQUEST_ACK_BLOCKING);
- if (ret) {
- dev_err(&domain->dev,
- "failed to set requirement to 0x%x for PM node id %d: %d\n",
- ZYNQMP_PM_CAPABILITY_ACCESS, pd->node_id, ret);
- return ret;
- }
-
- dev_dbg(&domain->dev, "set requirement to 0x%x for PM node id %d\n",
- ZYNQMP_PM_CAPABILITY_ACCESS, pd->node_id);
-
- return 0;
-}
-
-/**
- * zynqmp_gpd_power_off() - Power off PM domain
- * @domain: Generic PM domain
- *
- * This function is called after devices inside a PM domain are suspended, to
- * power off PM domain.
- *
- * Return: 0 on success, error code otherwise
- */
-static int zynqmp_gpd_power_off(struct generic_pm_domain *domain)
-{
- struct zynqmp_pm_domain *pd = to_zynqmp_pm_domain(domain);
- int ret;
- struct pm_domain_data *pdd, *tmp;
- u32 capabilities = min_capability;
- bool may_wakeup;
-
- /* If domain is already released there is nothing to be done */
- if (!pd->requested) {
- dev_dbg(&domain->dev, "PM node id %d is already released\n",
- pd->node_id);
- return 0;
- }
-
- list_for_each_entry_safe(pdd, tmp, &domain->dev_list, list_node) {
- /* If device is in wakeup path, set capability to WAKEUP */
- may_wakeup = zynqmp_gpd_is_active_wakeup_path(pdd->dev, NULL);
- if (may_wakeup) {
- dev_dbg(pdd->dev, "device is in wakeup path in %s\n",
- domain->name);
- capabilities = ZYNQMP_PM_CAPABILITY_WAKEUP;
- break;
- }
- }
-
- ret = zynqmp_pm_set_requirement(pd->node_id, capabilities, 0,
- ZYNQMP_PM_REQUEST_ACK_NO);
- if (ret) {
- dev_err(&domain->dev,
- "failed to set requirement to 0x%x for PM node id %d: %d\n",
- capabilities, pd->node_id, ret);
- return ret;
- }
-
- dev_dbg(&domain->dev, "set requirement to 0x%x for PM node id %d\n",
- capabilities, pd->node_id);
-
- return 0;
-}
-
-/**
- * zynqmp_gpd_attach_dev() - Attach device to the PM domain
- * @domain: Generic PM domain
- * @dev: Device to attach
- *
- * Return: 0 on success, error code otherwise
- */
-static int zynqmp_gpd_attach_dev(struct generic_pm_domain *domain,
- struct device *dev)
-{
- struct zynqmp_pm_domain *pd = to_zynqmp_pm_domain(domain);
- struct device_link *link;
- int ret;
-
- link = device_link_add(dev, &domain->dev, DL_FLAG_SYNC_STATE_ONLY);
- if (!link)
- dev_dbg(&domain->dev, "failed to create device link for %s\n",
- dev_name(dev));
-
- /* If this is not the first device to attach there is nothing to do */
- if (domain->device_count)
- return 0;
-
- ret = zynqmp_pm_request_node(pd->node_id, 0, 0,
- ZYNQMP_PM_REQUEST_ACK_BLOCKING);
- if (ret) {
- dev_err(&domain->dev, "%s request failed for node %d: %d\n",
- domain->name, pd->node_id, ret);
- return ret;
- }
-
- pd->requested = true;
-
- dev_dbg(&domain->dev, "%s requested PM node id %d\n",
- dev_name(dev), pd->node_id);
-
- return 0;
-}
-
-/**
- * zynqmp_gpd_detach_dev() - Detach device from the PM domain
- * @domain: Generic PM domain
- * @dev: Device to detach
- */
-static void zynqmp_gpd_detach_dev(struct generic_pm_domain *domain,
- struct device *dev)
-{
- struct zynqmp_pm_domain *pd = to_zynqmp_pm_domain(domain);
- int ret;
-
- /* If this is not the last device to detach there is nothing to do */
- if (domain->device_count)
- return;
-
- ret = zynqmp_pm_release_node(pd->node_id);
- if (ret) {
- dev_err(&domain->dev, "failed to release PM node id %d: %d\n",
- pd->node_id, ret);
- return;
- }
-
- pd->requested = false;
-
- dev_dbg(&domain->dev, "%s released PM node id %d\n",
- dev_name(dev), pd->node_id);
-}
-
-static struct generic_pm_domain *zynqmp_gpd_xlate
- (struct of_phandle_args *genpdspec, void *data)
-{
- struct genpd_onecell_data *genpd_data = data;
- unsigned int i, idx = genpdspec->args[0];
- struct zynqmp_pm_domain *pd;
-
- pd = to_zynqmp_pm_domain(genpd_data->domains[0]);
-
- if (genpdspec->args_count != 1)
- return ERR_PTR(-EINVAL);
-
- /* Check for existing pm domains */
- for (i = 0; i < ZYNQMP_NUM_DOMAINS; i++) {
- if (pd[i].node_id == idx)
- goto done;
- }
-
- /*
- * Add index in empty node_id of power domain list as no existing
- * power domain found for current index.
- */
- for (i = 0; i < ZYNQMP_NUM_DOMAINS; i++) {
- if (pd[i].node_id == 0) {
- pd[i].node_id = idx;
- break;
- }
- }
-
-done:
- if (!genpd_data->domains[i] || i == ZYNQMP_NUM_DOMAINS)
- return ERR_PTR(-ENOENT);
-
- return genpd_data->domains[i];
-}
-
-static int zynqmp_gpd_probe(struct platform_device *pdev)
-{
- int i;
- struct genpd_onecell_data *zynqmp_pd_data;
- struct generic_pm_domain **domains;
- struct zynqmp_pm_domain *pd;
- struct device *dev = &pdev->dev;
-
- pd = devm_kcalloc(dev, ZYNQMP_NUM_DOMAINS, sizeof(*pd), GFP_KERNEL);
- if (!pd)
- return -ENOMEM;
-
- zynqmp_pd_data = devm_kzalloc(dev, sizeof(*zynqmp_pd_data), GFP_KERNEL);
- if (!zynqmp_pd_data)
- return -ENOMEM;
-
- zynqmp_pd_data->xlate = zynqmp_gpd_xlate;
-
- domains = devm_kcalloc(dev, ZYNQMP_NUM_DOMAINS, sizeof(*domains),
- GFP_KERNEL);
- if (!domains)
- return -ENOMEM;
-
- if (!of_device_is_compatible(dev->parent->of_node,
- "xlnx,zynqmp-firmware"))
- min_capability = ZYNQMP_PM_CAPABILITY_UNUSABLE;
-
- for (i = 0; i < ZYNQMP_NUM_DOMAINS; i++, pd++) {
- pd->node_id = 0;
- pd->gpd.name = kasprintf(GFP_KERNEL, "domain%d", i);
- pd->gpd.power_off = zynqmp_gpd_power_off;
- pd->gpd.power_on = zynqmp_gpd_power_on;
- pd->gpd.attach_dev = zynqmp_gpd_attach_dev;
- pd->gpd.detach_dev = zynqmp_gpd_detach_dev;
-
- domains[i] = &pd->gpd;
-
- /* Mark all PM domains as initially powered off */
- pm_genpd_init(&pd->gpd, NULL, true);
- }
-
- zynqmp_pd_data->domains = domains;
- zynqmp_pd_data->num_domains = ZYNQMP_NUM_DOMAINS;
- of_genpd_add_provider_onecell(dev->parent->of_node, zynqmp_pd_data);
-
- return 0;
-}
-
-static int zynqmp_gpd_remove(struct platform_device *pdev)
-{
- of_genpd_del_provider(pdev->dev.parent->of_node);
-
- return 0;
-}
-
-static void zynqmp_gpd_sync_state(struct device *dev)
-{
- int ret;
-
- ret = zynqmp_pm_init_finalize();
- if (ret)
- dev_warn(dev, "failed to release power management to firmware\n");
-}
-
-static struct platform_driver zynqmp_power_domain_driver = {
- .driver = {
- .name = "zynqmp_power_controller",
- .sync_state = zynqmp_gpd_sync_state,
- },
- .probe = zynqmp_gpd_probe,
- .remove = zynqmp_gpd_remove,
-};
-module_platform_driver(zynqmp_power_domain_driver);
-
-MODULE_ALIAS("platform:zynqmp_power_controller");
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only
+obj-y += actions/
+obj-y += amlogic/
+obj-y += apple/
+obj-y += bcm/
+obj-y += imx/
+obj-y += mediatek/
+obj-y += qcom/
+obj-y += renesas/
+obj-y += rockchip/
+obj-y += samsung/
+obj-y += st/
+obj-y += starfive/
+obj-y += sunxi/
+obj-y += tegra/
+obj-y += ti/
+obj-y += xilinx/
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0+
+obj-$(CONFIG_OWL_PM_DOMAINS_HELPER) += owl-sps-helper.o
+obj-$(CONFIG_OWL_PM_DOMAINS) += owl-sps.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Actions Semi Owl Smart Power System (SPS) shared helpers
+ *
+ * Copyright 2012 Actions Semi Inc.
+ * Author: Actions Semi, Inc.
+ *
+ * Copyright (c) 2017 Andreas Färber
+ */
+
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/soc/actions/owl-sps.h>
+
+#define OWL_SPS_PG_CTL 0x0
+
+int owl_sps_set_pg(void __iomem *base, u32 pwr_mask, u32 ack_mask, bool enable)
+{
+ u32 val;
+ bool ack;
+ int timeout;
+
+ val = readl(base + OWL_SPS_PG_CTL);
+ ack = val & ack_mask;
+ if (ack == enable)
+ return 0;
+
+ if (enable)
+ val |= pwr_mask;
+ else
+ val &= ~pwr_mask;
+
+ writel(val, base + OWL_SPS_PG_CTL);
+
+ for (timeout = 5000; timeout > 0; timeout -= 50) {
+ val = readl(base + OWL_SPS_PG_CTL);
+ if ((val & ack_mask) == (enable ? ack_mask : 0))
+ break;
+ udelay(50);
+ }
+ if (timeout <= 0)
+ return -ETIMEDOUT;
+
+ udelay(10);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(owl_sps_set_pg);
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Actions Semi Owl Smart Power System (SPS)
+ *
+ * Copyright 2012 Actions Semi Inc.
+ * Author: Actions Semi, Inc.
+ *
+ * Copyright (c) 2017 Andreas Färber
+ */
+
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/pm_domain.h>
+#include <linux/soc/actions/owl-sps.h>
+#include <dt-bindings/power/owl-s500-powergate.h>
+#include <dt-bindings/power/owl-s700-powergate.h>
+#include <dt-bindings/power/owl-s900-powergate.h>
+
+struct owl_sps_domain_info {
+ const char *name;
+ int pwr_bit;
+ int ack_bit;
+ unsigned int genpd_flags;
+};
+
+struct owl_sps_info {
+ unsigned num_domains;
+ const struct owl_sps_domain_info *domains;
+};
+
+struct owl_sps {
+ struct device *dev;
+ const struct owl_sps_info *info;
+ void __iomem *base;
+ struct genpd_onecell_data genpd_data;
+ struct generic_pm_domain *domains[];
+};
+
+#define to_owl_pd(gpd) container_of(gpd, struct owl_sps_domain, genpd)
+
+struct owl_sps_domain {
+ struct generic_pm_domain genpd;
+ const struct owl_sps_domain_info *info;
+ struct owl_sps *sps;
+};
+
+static int owl_sps_set_power(struct owl_sps_domain *pd, bool enable)
+{
+ u32 pwr_mask, ack_mask;
+
+ ack_mask = BIT(pd->info->ack_bit);
+ pwr_mask = BIT(pd->info->pwr_bit);
+
+ return owl_sps_set_pg(pd->sps->base, pwr_mask, ack_mask, enable);
+}
+
+static int owl_sps_power_on(struct generic_pm_domain *domain)
+{
+ struct owl_sps_domain *pd = to_owl_pd(domain);
+
+ dev_dbg(pd->sps->dev, "%s power on", pd->info->name);
+
+ return owl_sps_set_power(pd, true);
+}
+
+static int owl_sps_power_off(struct generic_pm_domain *domain)
+{
+ struct owl_sps_domain *pd = to_owl_pd(domain);
+
+ dev_dbg(pd->sps->dev, "%s power off", pd->info->name);
+
+ return owl_sps_set_power(pd, false);
+}
+
+static int owl_sps_init_domain(struct owl_sps *sps, int index)
+{
+ struct owl_sps_domain *pd;
+
+ pd = devm_kzalloc(sps->dev, sizeof(*pd), GFP_KERNEL);
+ if (!pd)
+ return -ENOMEM;
+
+ pd->info = &sps->info->domains[index];
+ pd->sps = sps;
+
+ pd->genpd.name = pd->info->name;
+ pd->genpd.power_on = owl_sps_power_on;
+ pd->genpd.power_off = owl_sps_power_off;
+ pd->genpd.flags = pd->info->genpd_flags;
+ pm_genpd_init(&pd->genpd, NULL, false);
+
+ sps->genpd_data.domains[index] = &pd->genpd;
+
+ return 0;
+}
+
+static int owl_sps_probe(struct platform_device *pdev)
+{
+ const struct of_device_id *match;
+ const struct owl_sps_info *sps_info;
+ struct owl_sps *sps;
+ int i, ret;
+
+ if (!pdev->dev.of_node) {
+ dev_err(&pdev->dev, "no device node\n");
+ return -ENODEV;
+ }
+
+ match = of_match_device(pdev->dev.driver->of_match_table, &pdev->dev);
+ if (!match || !match->data) {
+ dev_err(&pdev->dev, "unknown compatible or missing data\n");
+ return -EINVAL;
+ }
+
+ sps_info = match->data;
+
+ sps = devm_kzalloc(&pdev->dev,
+ struct_size(sps, domains, sps_info->num_domains),
+ GFP_KERNEL);
+ if (!sps)
+ return -ENOMEM;
+
+ sps->base = of_io_request_and_map(pdev->dev.of_node, 0, "owl-sps");
+ if (IS_ERR(sps->base)) {
+ dev_err(&pdev->dev, "failed to map sps registers\n");
+ return PTR_ERR(sps->base);
+ }
+
+ sps->dev = &pdev->dev;
+ sps->info = sps_info;
+ sps->genpd_data.domains = sps->domains;
+ sps->genpd_data.num_domains = sps_info->num_domains;
+
+ for (i = 0; i < sps_info->num_domains; i++) {
+ ret = owl_sps_init_domain(sps, i);
+ if (ret)
+ return ret;
+ }
+
+ ret = of_genpd_add_provider_onecell(pdev->dev.of_node, &sps->genpd_data);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to add provider (%d)", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static const struct owl_sps_domain_info s500_sps_domains[] = {
+ [S500_PD_VDE] = {
+ .name = "VDE",
+ .pwr_bit = 0,
+ .ack_bit = 16,
+ },
+ [S500_PD_VCE_SI] = {
+ .name = "VCE_SI",
+ .pwr_bit = 1,
+ .ack_bit = 17,
+ },
+ [S500_PD_USB2_1] = {
+ .name = "USB2_1",
+ .pwr_bit = 2,
+ .ack_bit = 18,
+ },
+ [S500_PD_CPU2] = {
+ .name = "CPU2",
+ .pwr_bit = 5,
+ .ack_bit = 21,
+ .genpd_flags = GENPD_FLAG_ALWAYS_ON,
+ },
+ [S500_PD_CPU3] = {
+ .name = "CPU3",
+ .pwr_bit = 6,
+ .ack_bit = 22,
+ .genpd_flags = GENPD_FLAG_ALWAYS_ON,
+ },
+ [S500_PD_DMA] = {
+ .name = "DMA",
+ .pwr_bit = 8,
+ .ack_bit = 12,
+ },
+ [S500_PD_DS] = {
+ .name = "DS",
+ .pwr_bit = 9,
+ .ack_bit = 13,
+ },
+ [S500_PD_USB3] = {
+ .name = "USB3",
+ .pwr_bit = 10,
+ .ack_bit = 14,
+ },
+ [S500_PD_USB2_0] = {
+ .name = "USB2_0",
+ .pwr_bit = 11,
+ .ack_bit = 15,
+ },
+};
+
+static const struct owl_sps_info s500_sps_info = {
+ .num_domains = ARRAY_SIZE(s500_sps_domains),
+ .domains = s500_sps_domains,
+};
+
+static const struct owl_sps_domain_info s700_sps_domains[] = {
+ [S700_PD_VDE] = {
+ .name = "VDE",
+ .pwr_bit = 0,
+ },
+ [S700_PD_VCE_SI] = {
+ .name = "VCE_SI",
+ .pwr_bit = 1,
+ },
+ [S700_PD_USB2_1] = {
+ .name = "USB2_1",
+ .pwr_bit = 2,
+ },
+ [S700_PD_HDE] = {
+ .name = "HDE",
+ .pwr_bit = 7,
+ },
+ [S700_PD_DMA] = {
+ .name = "DMA",
+ .pwr_bit = 8,
+ },
+ [S700_PD_DS] = {
+ .name = "DS",
+ .pwr_bit = 9,
+ },
+ [S700_PD_USB3] = {
+ .name = "USB3",
+ .pwr_bit = 10,
+ },
+ [S700_PD_USB2_0] = {
+ .name = "USB2_0",
+ .pwr_bit = 11,
+ },
+};
+
+static const struct owl_sps_info s700_sps_info = {
+ .num_domains = ARRAY_SIZE(s700_sps_domains),
+ .domains = s700_sps_domains,
+};
+
+static const struct owl_sps_domain_info s900_sps_domains[] = {
+ [S900_PD_GPU_B] = {
+ .name = "GPU_B",
+ .pwr_bit = 3,
+ },
+ [S900_PD_VCE] = {
+ .name = "VCE",
+ .pwr_bit = 4,
+ },
+ [S900_PD_SENSOR] = {
+ .name = "SENSOR",
+ .pwr_bit = 5,
+ },
+ [S900_PD_VDE] = {
+ .name = "VDE",
+ .pwr_bit = 6,
+ },
+ [S900_PD_HDE] = {
+ .name = "HDE",
+ .pwr_bit = 7,
+ },
+ [S900_PD_USB3] = {
+ .name = "USB3",
+ .pwr_bit = 8,
+ },
+ [S900_PD_DDR0] = {
+ .name = "DDR0",
+ .pwr_bit = 9,
+ },
+ [S900_PD_DDR1] = {
+ .name = "DDR1",
+ .pwr_bit = 10,
+ },
+ [S900_PD_DE] = {
+ .name = "DE",
+ .pwr_bit = 13,
+ },
+ [S900_PD_NAND] = {
+ .name = "NAND",
+ .pwr_bit = 14,
+ },
+ [S900_PD_USB2_H0] = {
+ .name = "USB2_H0",
+ .pwr_bit = 15,
+ },
+ [S900_PD_USB2_H1] = {
+ .name = "USB2_H1",
+ .pwr_bit = 16,
+ },
+};
+
+static const struct owl_sps_info s900_sps_info = {
+ .num_domains = ARRAY_SIZE(s900_sps_domains),
+ .domains = s900_sps_domains,
+};
+
+static const struct of_device_id owl_sps_of_matches[] = {
+ { .compatible = "actions,s500-sps", .data = &s500_sps_info },
+ { .compatible = "actions,s700-sps", .data = &s700_sps_info },
+ { .compatible = "actions,s900-sps", .data = &s900_sps_info },
+ { }
+};
+
+static struct platform_driver owl_sps_platform_driver = {
+ .probe = owl_sps_probe,
+ .driver = {
+ .name = "owl-sps",
+ .of_match_table = owl_sps_of_matches,
+ .suppress_bind_attrs = true,
+ },
+};
+
+static int __init owl_sps_init(void)
+{
+ return platform_driver_register(&owl_sps_platform_driver);
+}
+postcore_initcall(owl_sps_init);
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_MESON_GX_PM_DOMAINS) += meson-gx-pwrc-vpu.o
+obj-$(CONFIG_MESON_EE_PM_DOMAINS) += meson-ee-pwrc.o
+obj-$(CONFIG_MESON_SECURE_PM_DOMAINS) += meson-secure-pwrc.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2019 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ */
+
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/bitfield.h>
+#include <linux/regmap.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of.h>
+#include <linux/reset-controller.h>
+#include <linux/reset.h>
+#include <linux/clk.h>
+#include <linux/module.h>
+#include <dt-bindings/power/meson8-power.h>
+#include <dt-bindings/power/meson-axg-power.h>
+#include <dt-bindings/power/meson-g12a-power.h>
+#include <dt-bindings/power/meson-gxbb-power.h>
+#include <dt-bindings/power/meson-sm1-power.h>
+
+/* AO Offsets */
+
+#define GX_AO_RTI_GEN_PWR_SLEEP0 (0x3a << 2)
+#define GX_AO_RTI_GEN_PWR_ISO0 (0x3b << 2)
+
+/*
+ * Meson8/Meson8b/Meson8m2 only expose the power management registers of the
+ * AO-bus as syscon. 0x3a from GX translates to 0x02, 0x3b translates to 0x03
+ * and so on.
+ */
+#define MESON8_AO_RTI_GEN_PWR_SLEEP0 (0x02 << 2)
+#define MESON8_AO_RTI_GEN_PWR_ISO0 (0x03 << 2)
+
+/* HHI Offsets */
+
+#define HHI_MEM_PD_REG0 (0x40 << 2)
+#define HHI_VPU_MEM_PD_REG0 (0x41 << 2)
+#define HHI_VPU_MEM_PD_REG1 (0x42 << 2)
+#define HHI_VPU_MEM_PD_REG3 (0x43 << 2)
+#define HHI_VPU_MEM_PD_REG4 (0x44 << 2)
+#define HHI_AUDIO_MEM_PD_REG0 (0x45 << 2)
+#define HHI_NANOQ_MEM_PD_REG0 (0x46 << 2)
+#define HHI_NANOQ_MEM_PD_REG1 (0x47 << 2)
+#define HHI_VPU_MEM_PD_REG2 (0x4d << 2)
+
+#define G12A_HHI_NANOQ_MEM_PD_REG0 (0x43 << 2)
+#define G12A_HHI_NANOQ_MEM_PD_REG1 (0x44 << 2)
+
+struct meson_ee_pwrc;
+struct meson_ee_pwrc_domain;
+
+struct meson_ee_pwrc_mem_domain {
+ unsigned int reg;
+ unsigned int mask;
+};
+
+struct meson_ee_pwrc_top_domain {
+ unsigned int sleep_reg;
+ unsigned int sleep_mask;
+ unsigned int iso_reg;
+ unsigned int iso_mask;
+};
+
+struct meson_ee_pwrc_domain_desc {
+ char *name;
+ unsigned int reset_names_count;
+ unsigned int clk_names_count;
+ struct meson_ee_pwrc_top_domain *top_pd;
+ unsigned int mem_pd_count;
+ struct meson_ee_pwrc_mem_domain *mem_pd;
+ bool (*is_powered_off)(struct meson_ee_pwrc_domain *pwrc_domain);
+};
+
+struct meson_ee_pwrc_domain_data {
+ unsigned int count;
+ struct meson_ee_pwrc_domain_desc *domains;
+};
+
+/* TOP Power Domains */
+
+static struct meson_ee_pwrc_top_domain gx_pwrc_vpu = {
+ .sleep_reg = GX_AO_RTI_GEN_PWR_SLEEP0,
+ .sleep_mask = BIT(8),
+ .iso_reg = GX_AO_RTI_GEN_PWR_SLEEP0,
+ .iso_mask = BIT(9),
+};
+
+static struct meson_ee_pwrc_top_domain meson8_pwrc_vpu = {
+ .sleep_reg = MESON8_AO_RTI_GEN_PWR_SLEEP0,
+ .sleep_mask = BIT(8),
+ .iso_reg = MESON8_AO_RTI_GEN_PWR_SLEEP0,
+ .iso_mask = BIT(9),
+};
+
+#define SM1_EE_PD(__bit) \
+ { \
+ .sleep_reg = GX_AO_RTI_GEN_PWR_SLEEP0, \
+ .sleep_mask = BIT(__bit), \
+ .iso_reg = GX_AO_RTI_GEN_PWR_ISO0, \
+ .iso_mask = BIT(__bit), \
+ }
+
+static struct meson_ee_pwrc_top_domain sm1_pwrc_vpu = SM1_EE_PD(8);
+static struct meson_ee_pwrc_top_domain sm1_pwrc_nna = SM1_EE_PD(16);
+static struct meson_ee_pwrc_top_domain sm1_pwrc_usb = SM1_EE_PD(17);
+static struct meson_ee_pwrc_top_domain sm1_pwrc_pci = SM1_EE_PD(18);
+static struct meson_ee_pwrc_top_domain sm1_pwrc_ge2d = SM1_EE_PD(19);
+
+static struct meson_ee_pwrc_top_domain g12a_pwrc_nna = {
+ .sleep_reg = GX_AO_RTI_GEN_PWR_SLEEP0,
+ .sleep_mask = BIT(16) | BIT(17),
+ .iso_reg = GX_AO_RTI_GEN_PWR_ISO0,
+ .iso_mask = BIT(16) | BIT(17),
+};
+
+/* Memory PD Domains */
+
+#define VPU_MEMPD(__reg) \
+ { __reg, GENMASK(1, 0) }, \
+ { __reg, GENMASK(3, 2) }, \
+ { __reg, GENMASK(5, 4) }, \
+ { __reg, GENMASK(7, 6) }, \
+ { __reg, GENMASK(9, 8) }, \
+ { __reg, GENMASK(11, 10) }, \
+ { __reg, GENMASK(13, 12) }, \
+ { __reg, GENMASK(15, 14) }, \
+ { __reg, GENMASK(17, 16) }, \
+ { __reg, GENMASK(19, 18) }, \
+ { __reg, GENMASK(21, 20) }, \
+ { __reg, GENMASK(23, 22) }, \
+ { __reg, GENMASK(25, 24) }, \
+ { __reg, GENMASK(27, 26) }, \
+ { __reg, GENMASK(29, 28) }, \
+ { __reg, GENMASK(31, 30) }
+
+#define VPU_HHI_MEMPD(__reg) \
+ { __reg, BIT(8) }, \
+ { __reg, BIT(9) }, \
+ { __reg, BIT(10) }, \
+ { __reg, BIT(11) }, \
+ { __reg, BIT(12) }, \
+ { __reg, BIT(13) }, \
+ { __reg, BIT(14) }, \
+ { __reg, BIT(15) }
+
+static struct meson_ee_pwrc_mem_domain axg_pwrc_mem_vpu[] = {
+ VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
+ VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
+};
+
+static struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_vpu[] = {
+ VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
+ VPU_MEMPD(HHI_VPU_MEM_PD_REG1),
+ VPU_MEMPD(HHI_VPU_MEM_PD_REG2),
+ VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
+};
+
+static struct meson_ee_pwrc_mem_domain gxbb_pwrc_mem_vpu[] = {
+ VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
+ VPU_MEMPD(HHI_VPU_MEM_PD_REG1),
+ VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
+};
+
+static struct meson_ee_pwrc_mem_domain meson_pwrc_mem_eth[] = {
+ { HHI_MEM_PD_REG0, GENMASK(3, 2) },
+};
+
+static struct meson_ee_pwrc_mem_domain meson8_pwrc_audio_dsp_mem[] = {
+ { HHI_MEM_PD_REG0, GENMASK(1, 0) },
+};
+
+static struct meson_ee_pwrc_mem_domain meson8_pwrc_mem_vpu[] = {
+ VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
+ VPU_MEMPD(HHI_VPU_MEM_PD_REG1),
+ VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
+};
+
+static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_vpu[] = {
+ VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
+ VPU_MEMPD(HHI_VPU_MEM_PD_REG1),
+ VPU_MEMPD(HHI_VPU_MEM_PD_REG2),
+ VPU_MEMPD(HHI_VPU_MEM_PD_REG3),
+ { HHI_VPU_MEM_PD_REG4, GENMASK(1, 0) },
+ { HHI_VPU_MEM_PD_REG4, GENMASK(3, 2) },
+ { HHI_VPU_MEM_PD_REG4, GENMASK(5, 4) },
+ { HHI_VPU_MEM_PD_REG4, GENMASK(7, 6) },
+ VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
+};
+
+static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_nna[] = {
+ { HHI_NANOQ_MEM_PD_REG0, 0xff },
+ { HHI_NANOQ_MEM_PD_REG1, 0xff },
+};
+
+static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_usb[] = {
+ { HHI_MEM_PD_REG0, GENMASK(31, 30) },
+};
+
+static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_pcie[] = {
+ { HHI_MEM_PD_REG0, GENMASK(29, 26) },
+};
+
+static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_ge2d[] = {
+ { HHI_MEM_PD_REG0, GENMASK(25, 18) },
+};
+
+static struct meson_ee_pwrc_mem_domain axg_pwrc_mem_audio[] = {
+ { HHI_MEM_PD_REG0, GENMASK(5, 4) },
+};
+
+static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_audio[] = {
+ { HHI_MEM_PD_REG0, GENMASK(5, 4) },
+ { HHI_AUDIO_MEM_PD_REG0, GENMASK(1, 0) },
+ { HHI_AUDIO_MEM_PD_REG0, GENMASK(3, 2) },
+ { HHI_AUDIO_MEM_PD_REG0, GENMASK(5, 4) },
+ { HHI_AUDIO_MEM_PD_REG0, GENMASK(7, 6) },
+ { HHI_AUDIO_MEM_PD_REG0, GENMASK(13, 12) },
+ { HHI_AUDIO_MEM_PD_REG0, GENMASK(15, 14) },
+ { HHI_AUDIO_MEM_PD_REG0, GENMASK(17, 16) },
+ { HHI_AUDIO_MEM_PD_REG0, GENMASK(19, 18) },
+ { HHI_AUDIO_MEM_PD_REG0, GENMASK(21, 20) },
+ { HHI_AUDIO_MEM_PD_REG0, GENMASK(23, 22) },
+ { HHI_AUDIO_MEM_PD_REG0, GENMASK(25, 24) },
+ { HHI_AUDIO_MEM_PD_REG0, GENMASK(27, 26) },
+};
+
+static struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_nna[] = {
+ { G12A_HHI_NANOQ_MEM_PD_REG0, GENMASK(31, 0) },
+ { G12A_HHI_NANOQ_MEM_PD_REG1, GENMASK(23, 0) },
+};
+
+#define VPU_PD(__name, __top_pd, __mem, __is_pwr_off, __resets, __clks) \
+ { \
+ .name = __name, \
+ .reset_names_count = __resets, \
+ .clk_names_count = __clks, \
+ .top_pd = __top_pd, \
+ .mem_pd_count = ARRAY_SIZE(__mem), \
+ .mem_pd = __mem, \
+ .is_powered_off = __is_pwr_off, \
+ }
+
+#define TOP_PD(__name, __top_pd, __mem, __is_pwr_off) \
+ { \
+ .name = __name, \
+ .top_pd = __top_pd, \
+ .mem_pd_count = ARRAY_SIZE(__mem), \
+ .mem_pd = __mem, \
+ .is_powered_off = __is_pwr_off, \
+ }
+
+#define MEM_PD(__name, __mem) \
+ TOP_PD(__name, NULL, __mem, NULL)
+
+static bool pwrc_ee_is_powered_off(struct meson_ee_pwrc_domain *pwrc_domain);
+
+static struct meson_ee_pwrc_domain_desc axg_pwrc_domains[] = {
+ [PWRC_AXG_VPU_ID] = VPU_PD("VPU", &gx_pwrc_vpu, axg_pwrc_mem_vpu,
+ pwrc_ee_is_powered_off, 5, 2),
+ [PWRC_AXG_ETHERNET_MEM_ID] = MEM_PD("ETH", meson_pwrc_mem_eth),
+ [PWRC_AXG_AUDIO_ID] = MEM_PD("AUDIO", axg_pwrc_mem_audio),
+};
+
+static struct meson_ee_pwrc_domain_desc g12a_pwrc_domains[] = {
+ [PWRC_G12A_VPU_ID] = VPU_PD("VPU", &gx_pwrc_vpu, g12a_pwrc_mem_vpu,
+ pwrc_ee_is_powered_off, 11, 2),
+ [PWRC_G12A_ETH_ID] = MEM_PD("ETH", meson_pwrc_mem_eth),
+ [PWRC_G12A_NNA_ID] = TOP_PD("NNA", &g12a_pwrc_nna, g12a_pwrc_mem_nna,
+ pwrc_ee_is_powered_off),
+};
+
+static struct meson_ee_pwrc_domain_desc gxbb_pwrc_domains[] = {
+ [PWRC_GXBB_VPU_ID] = VPU_PD("VPU", &gx_pwrc_vpu, gxbb_pwrc_mem_vpu,
+ pwrc_ee_is_powered_off, 12, 2),
+ [PWRC_GXBB_ETHERNET_MEM_ID] = MEM_PD("ETH", meson_pwrc_mem_eth),
+};
+
+static struct meson_ee_pwrc_domain_desc meson8_pwrc_domains[] = {
+ [PWRC_MESON8_VPU_ID] = VPU_PD("VPU", &meson8_pwrc_vpu,
+ meson8_pwrc_mem_vpu,
+ pwrc_ee_is_powered_off, 0, 1),
+ [PWRC_MESON8_ETHERNET_MEM_ID] = MEM_PD("ETHERNET_MEM",
+ meson_pwrc_mem_eth),
+ [PWRC_MESON8_AUDIO_DSP_MEM_ID] = MEM_PD("AUDIO_DSP_MEM",
+ meson8_pwrc_audio_dsp_mem),
+};
+
+static struct meson_ee_pwrc_domain_desc meson8b_pwrc_domains[] = {
+ [PWRC_MESON8_VPU_ID] = VPU_PD("VPU", &meson8_pwrc_vpu,
+ meson8_pwrc_mem_vpu,
+ pwrc_ee_is_powered_off, 11, 1),
+ [PWRC_MESON8_ETHERNET_MEM_ID] = MEM_PD("ETHERNET_MEM",
+ meson_pwrc_mem_eth),
+ [PWRC_MESON8_AUDIO_DSP_MEM_ID] = MEM_PD("AUDIO_DSP_MEM",
+ meson8_pwrc_audio_dsp_mem),
+};
+
+static struct meson_ee_pwrc_domain_desc sm1_pwrc_domains[] = {
+ [PWRC_SM1_VPU_ID] = VPU_PD("VPU", &sm1_pwrc_vpu, sm1_pwrc_mem_vpu,
+ pwrc_ee_is_powered_off, 11, 2),
+ [PWRC_SM1_NNA_ID] = TOP_PD("NNA", &sm1_pwrc_nna, sm1_pwrc_mem_nna,
+ pwrc_ee_is_powered_off),
+ [PWRC_SM1_USB_ID] = TOP_PD("USB", &sm1_pwrc_usb, sm1_pwrc_mem_usb,
+ pwrc_ee_is_powered_off),
+ [PWRC_SM1_PCIE_ID] = TOP_PD("PCI", &sm1_pwrc_pci, sm1_pwrc_mem_pcie,
+ pwrc_ee_is_powered_off),
+ [PWRC_SM1_GE2D_ID] = TOP_PD("GE2D", &sm1_pwrc_ge2d, sm1_pwrc_mem_ge2d,
+ pwrc_ee_is_powered_off),
+ [PWRC_SM1_AUDIO_ID] = MEM_PD("AUDIO", sm1_pwrc_mem_audio),
+ [PWRC_SM1_ETH_ID] = MEM_PD("ETH", meson_pwrc_mem_eth),
+};
+
+struct meson_ee_pwrc_domain {
+ struct generic_pm_domain base;
+ bool enabled;
+ struct meson_ee_pwrc *pwrc;
+ struct meson_ee_pwrc_domain_desc desc;
+ struct clk_bulk_data *clks;
+ int num_clks;
+ struct reset_control *rstc;
+ int num_rstc;
+};
+
+struct meson_ee_pwrc {
+ struct regmap *regmap_ao;
+ struct regmap *regmap_hhi;
+ struct meson_ee_pwrc_domain *domains;
+ struct genpd_onecell_data xlate;
+};
+
+static bool pwrc_ee_is_powered_off(struct meson_ee_pwrc_domain *pwrc_domain)
+{
+ u32 reg;
+
+ regmap_read(pwrc_domain->pwrc->regmap_ao,
+ pwrc_domain->desc.top_pd->sleep_reg, ®);
+
+ return (reg & pwrc_domain->desc.top_pd->sleep_mask);
+}
+
+static int meson_ee_pwrc_off(struct generic_pm_domain *domain)
+{
+ struct meson_ee_pwrc_domain *pwrc_domain =
+ container_of(domain, struct meson_ee_pwrc_domain, base);
+ int i;
+
+ if (pwrc_domain->desc.top_pd)
+ regmap_update_bits(pwrc_domain->pwrc->regmap_ao,
+ pwrc_domain->desc.top_pd->sleep_reg,
+ pwrc_domain->desc.top_pd->sleep_mask,
+ pwrc_domain->desc.top_pd->sleep_mask);
+ udelay(20);
+
+ for (i = 0 ; i < pwrc_domain->desc.mem_pd_count ; ++i)
+ regmap_update_bits(pwrc_domain->pwrc->regmap_hhi,
+ pwrc_domain->desc.mem_pd[i].reg,
+ pwrc_domain->desc.mem_pd[i].mask,
+ pwrc_domain->desc.mem_pd[i].mask);
+
+ udelay(20);
+
+ if (pwrc_domain->desc.top_pd)
+ regmap_update_bits(pwrc_domain->pwrc->regmap_ao,
+ pwrc_domain->desc.top_pd->iso_reg,
+ pwrc_domain->desc.top_pd->iso_mask,
+ pwrc_domain->desc.top_pd->iso_mask);
+
+ if (pwrc_domain->num_clks) {
+ msleep(20);
+ clk_bulk_disable_unprepare(pwrc_domain->num_clks,
+ pwrc_domain->clks);
+ }
+
+ return 0;
+}
+
+static int meson_ee_pwrc_on(struct generic_pm_domain *domain)
+{
+ struct meson_ee_pwrc_domain *pwrc_domain =
+ container_of(domain, struct meson_ee_pwrc_domain, base);
+ int i, ret;
+
+ if (pwrc_domain->desc.top_pd)
+ regmap_update_bits(pwrc_domain->pwrc->regmap_ao,
+ pwrc_domain->desc.top_pd->sleep_reg,
+ pwrc_domain->desc.top_pd->sleep_mask, 0);
+ udelay(20);
+
+ for (i = 0 ; i < pwrc_domain->desc.mem_pd_count ; ++i)
+ regmap_update_bits(pwrc_domain->pwrc->regmap_hhi,
+ pwrc_domain->desc.mem_pd[i].reg,
+ pwrc_domain->desc.mem_pd[i].mask, 0);
+
+ udelay(20);
+
+ ret = reset_control_assert(pwrc_domain->rstc);
+ if (ret)
+ return ret;
+
+ if (pwrc_domain->desc.top_pd)
+ regmap_update_bits(pwrc_domain->pwrc->regmap_ao,
+ pwrc_domain->desc.top_pd->iso_reg,
+ pwrc_domain->desc.top_pd->iso_mask, 0);
+
+ ret = reset_control_deassert(pwrc_domain->rstc);
+ if (ret)
+ return ret;
+
+ return clk_bulk_prepare_enable(pwrc_domain->num_clks,
+ pwrc_domain->clks);
+}
+
+static int meson_ee_pwrc_init_domain(struct platform_device *pdev,
+ struct meson_ee_pwrc *pwrc,
+ struct meson_ee_pwrc_domain *dom)
+{
+ int ret;
+
+ dom->pwrc = pwrc;
+ dom->num_rstc = dom->desc.reset_names_count;
+ dom->num_clks = dom->desc.clk_names_count;
+
+ if (dom->num_rstc) {
+ int count = reset_control_get_count(&pdev->dev);
+
+ if (count != dom->num_rstc)
+ dev_warn(&pdev->dev, "Invalid resets count %d for domain %s\n",
+ count, dom->desc.name);
+
+ dom->rstc = devm_reset_control_array_get_exclusive(&pdev->dev);
+ if (IS_ERR(dom->rstc))
+ return PTR_ERR(dom->rstc);
+ }
+
+ if (dom->num_clks) {
+ int ret = devm_clk_bulk_get_all(&pdev->dev, &dom->clks);
+ if (ret < 0)
+ return ret;
+
+ if (dom->num_clks != ret) {
+ dev_warn(&pdev->dev, "Invalid clocks count %d for domain %s\n",
+ ret, dom->desc.name);
+ dom->num_clks = ret;
+ }
+ }
+
+ dom->base.name = dom->desc.name;
+ dom->base.power_on = meson_ee_pwrc_on;
+ dom->base.power_off = meson_ee_pwrc_off;
+
+ /*
+ * TOFIX: This is a special case for the VPU power domain, which can
+ * be enabled previously by the bootloader. In this case the VPU
+ * pipeline may be functional but no driver maybe never attach
+ * to this power domain, and if the domain is disabled it could
+ * cause system errors. This is why the pm_domain_always_on_gov
+ * is used here.
+ * For the same reason, the clocks should be enabled in case
+ * we need to power the domain off, otherwise the internal clocks
+ * prepare/enable counters won't be in sync.
+ */
+ if (dom->num_clks && dom->desc.is_powered_off && !dom->desc.is_powered_off(dom)) {
+ ret = clk_bulk_prepare_enable(dom->num_clks, dom->clks);
+ if (ret)
+ return ret;
+
+ dom->base.flags = GENPD_FLAG_ALWAYS_ON;
+ ret = pm_genpd_init(&dom->base, NULL, false);
+ if (ret)
+ return ret;
+ } else {
+ ret = pm_genpd_init(&dom->base, NULL,
+ (dom->desc.is_powered_off ?
+ dom->desc.is_powered_off(dom) : true));
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int meson_ee_pwrc_probe(struct platform_device *pdev)
+{
+ const struct meson_ee_pwrc_domain_data *match;
+ struct regmap *regmap_ao, *regmap_hhi;
+ struct device_node *parent_np;
+ struct meson_ee_pwrc *pwrc;
+ int i, ret;
+
+ match = of_device_get_match_data(&pdev->dev);
+ if (!match) {
+ dev_err(&pdev->dev, "failed to get match data\n");
+ return -ENODEV;
+ }
+
+ pwrc = devm_kzalloc(&pdev->dev, sizeof(*pwrc), GFP_KERNEL);
+ if (!pwrc)
+ return -ENOMEM;
+
+ pwrc->xlate.domains = devm_kcalloc(&pdev->dev, match->count,
+ sizeof(*pwrc->xlate.domains),
+ GFP_KERNEL);
+ if (!pwrc->xlate.domains)
+ return -ENOMEM;
+
+ pwrc->domains = devm_kcalloc(&pdev->dev, match->count,
+ sizeof(*pwrc->domains), GFP_KERNEL);
+ if (!pwrc->domains)
+ return -ENOMEM;
+
+ pwrc->xlate.num_domains = match->count;
+
+ parent_np = of_get_parent(pdev->dev.of_node);
+ regmap_hhi = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
+ if (IS_ERR(regmap_hhi)) {
+ dev_err(&pdev->dev, "failed to get HHI regmap\n");
+ return PTR_ERR(regmap_hhi);
+ }
+
+ regmap_ao = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
+ "amlogic,ao-sysctrl");
+ if (IS_ERR(regmap_ao)) {
+ dev_err(&pdev->dev, "failed to get AO regmap\n");
+ return PTR_ERR(regmap_ao);
+ }
+
+ pwrc->regmap_ao = regmap_ao;
+ pwrc->regmap_hhi = regmap_hhi;
+
+ platform_set_drvdata(pdev, pwrc);
+
+ for (i = 0 ; i < match->count ; ++i) {
+ struct meson_ee_pwrc_domain *dom = &pwrc->domains[i];
+
+ memcpy(&dom->desc, &match->domains[i], sizeof(dom->desc));
+
+ ret = meson_ee_pwrc_init_domain(pdev, pwrc, dom);
+ if (ret)
+ return ret;
+
+ pwrc->xlate.domains[i] = &dom->base;
+ }
+
+ return of_genpd_add_provider_onecell(pdev->dev.of_node, &pwrc->xlate);
+}
+
+static void meson_ee_pwrc_shutdown(struct platform_device *pdev)
+{
+ struct meson_ee_pwrc *pwrc = platform_get_drvdata(pdev);
+ int i;
+
+ for (i = 0 ; i < pwrc->xlate.num_domains ; ++i) {
+ struct meson_ee_pwrc_domain *dom = &pwrc->domains[i];
+
+ if (dom->desc.is_powered_off && !dom->desc.is_powered_off(dom))
+ meson_ee_pwrc_off(&dom->base);
+ }
+}
+
+static struct meson_ee_pwrc_domain_data meson_ee_g12a_pwrc_data = {
+ .count = ARRAY_SIZE(g12a_pwrc_domains),
+ .domains = g12a_pwrc_domains,
+};
+
+static struct meson_ee_pwrc_domain_data meson_ee_axg_pwrc_data = {
+ .count = ARRAY_SIZE(axg_pwrc_domains),
+ .domains = axg_pwrc_domains,
+};
+
+static struct meson_ee_pwrc_domain_data meson_ee_gxbb_pwrc_data = {
+ .count = ARRAY_SIZE(gxbb_pwrc_domains),
+ .domains = gxbb_pwrc_domains,
+};
+
+static struct meson_ee_pwrc_domain_data meson_ee_m8_pwrc_data = {
+ .count = ARRAY_SIZE(meson8_pwrc_domains),
+ .domains = meson8_pwrc_domains,
+};
+
+static struct meson_ee_pwrc_domain_data meson_ee_m8b_pwrc_data = {
+ .count = ARRAY_SIZE(meson8b_pwrc_domains),
+ .domains = meson8b_pwrc_domains,
+};
+
+static struct meson_ee_pwrc_domain_data meson_ee_sm1_pwrc_data = {
+ .count = ARRAY_SIZE(sm1_pwrc_domains),
+ .domains = sm1_pwrc_domains,
+};
+
+static const struct of_device_id meson_ee_pwrc_match_table[] = {
+ {
+ .compatible = "amlogic,meson8-pwrc",
+ .data = &meson_ee_m8_pwrc_data,
+ },
+ {
+ .compatible = "amlogic,meson8b-pwrc",
+ .data = &meson_ee_m8b_pwrc_data,
+ },
+ {
+ .compatible = "amlogic,meson8m2-pwrc",
+ .data = &meson_ee_m8b_pwrc_data,
+ },
+ {
+ .compatible = "amlogic,meson-axg-pwrc",
+ .data = &meson_ee_axg_pwrc_data,
+ },
+ {
+ .compatible = "amlogic,meson-gxbb-pwrc",
+ .data = &meson_ee_gxbb_pwrc_data,
+ },
+ {
+ .compatible = "amlogic,meson-g12a-pwrc",
+ .data = &meson_ee_g12a_pwrc_data,
+ },
+ {
+ .compatible = "amlogic,meson-sm1-pwrc",
+ .data = &meson_ee_sm1_pwrc_data,
+ },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, meson_ee_pwrc_match_table);
+
+static struct platform_driver meson_ee_pwrc_driver = {
+ .probe = meson_ee_pwrc_probe,
+ .shutdown = meson_ee_pwrc_shutdown,
+ .driver = {
+ .name = "meson_ee_pwrc",
+ .of_match_table = meson_ee_pwrc_match_table,
+ },
+};
+module_platform_driver(meson_ee_pwrc_driver);
+MODULE_LICENSE("GPL v2");
--- /dev/null
+/*
+ * Copyright (c) 2017 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/bitfield.h>
+#include <linux/regmap.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of.h>
+#include <linux/reset.h>
+#include <linux/clk.h>
+#include <linux/module.h>
+
+/* AO Offsets */
+
+#define AO_RTI_GEN_PWR_SLEEP0 (0x3a << 2)
+
+#define GEN_PWR_VPU_HDMI BIT(8)
+#define GEN_PWR_VPU_HDMI_ISO BIT(9)
+
+/* HHI Offsets */
+
+#define HHI_MEM_PD_REG0 (0x40 << 2)
+#define HHI_VPU_MEM_PD_REG0 (0x41 << 2)
+#define HHI_VPU_MEM_PD_REG1 (0x42 << 2)
+#define HHI_VPU_MEM_PD_REG2 (0x4d << 2)
+
+struct meson_gx_pwrc_vpu {
+ struct generic_pm_domain genpd;
+ struct regmap *regmap_ao;
+ struct regmap *regmap_hhi;
+ struct reset_control *rstc;
+ struct clk *vpu_clk;
+ struct clk *vapb_clk;
+};
+
+static inline
+struct meson_gx_pwrc_vpu *genpd_to_pd(struct generic_pm_domain *d)
+{
+ return container_of(d, struct meson_gx_pwrc_vpu, genpd);
+}
+
+static int meson_gx_pwrc_vpu_power_off(struct generic_pm_domain *genpd)
+{
+ struct meson_gx_pwrc_vpu *pd = genpd_to_pd(genpd);
+ int i;
+
+ regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VPU_HDMI_ISO, GEN_PWR_VPU_HDMI_ISO);
+ udelay(20);
+
+ /* Power Down Memories */
+ for (i = 0; i < 32; i += 2) {
+ regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG0,
+ 0x3 << i, 0x3 << i);
+ udelay(5);
+ }
+ for (i = 0; i < 32; i += 2) {
+ regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG1,
+ 0x3 << i, 0x3 << i);
+ udelay(5);
+ }
+ for (i = 8; i < 16; i++) {
+ regmap_update_bits(pd->regmap_hhi, HHI_MEM_PD_REG0,
+ BIT(i), BIT(i));
+ udelay(5);
+ }
+ udelay(20);
+
+ regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VPU_HDMI, GEN_PWR_VPU_HDMI);
+
+ msleep(20);
+
+ clk_disable_unprepare(pd->vpu_clk);
+ clk_disable_unprepare(pd->vapb_clk);
+
+ return 0;
+}
+
+static int meson_g12a_pwrc_vpu_power_off(struct generic_pm_domain *genpd)
+{
+ struct meson_gx_pwrc_vpu *pd = genpd_to_pd(genpd);
+ int i;
+
+ regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VPU_HDMI_ISO, GEN_PWR_VPU_HDMI_ISO);
+ udelay(20);
+
+ /* Power Down Memories */
+ for (i = 0; i < 32; i += 2) {
+ regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG0,
+ 0x3 << i, 0x3 << i);
+ udelay(5);
+ }
+ for (i = 0; i < 32; i += 2) {
+ regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG1,
+ 0x3 << i, 0x3 << i);
+ udelay(5);
+ }
+ for (i = 0; i < 32; i += 2) {
+ regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG2,
+ 0x3 << i, 0x3 << i);
+ udelay(5);
+ }
+ for (i = 8; i < 16; i++) {
+ regmap_update_bits(pd->regmap_hhi, HHI_MEM_PD_REG0,
+ BIT(i), BIT(i));
+ udelay(5);
+ }
+ udelay(20);
+
+ regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VPU_HDMI, GEN_PWR_VPU_HDMI);
+
+ msleep(20);
+
+ clk_disable_unprepare(pd->vpu_clk);
+ clk_disable_unprepare(pd->vapb_clk);
+
+ return 0;
+}
+
+static int meson_gx_pwrc_vpu_setup_clk(struct meson_gx_pwrc_vpu *pd)
+{
+ int ret;
+
+ ret = clk_prepare_enable(pd->vpu_clk);
+ if (ret)
+ return ret;
+
+ ret = clk_prepare_enable(pd->vapb_clk);
+ if (ret)
+ clk_disable_unprepare(pd->vpu_clk);
+
+ return ret;
+}
+
+static int meson_gx_pwrc_vpu_power_on(struct generic_pm_domain *genpd)
+{
+ struct meson_gx_pwrc_vpu *pd = genpd_to_pd(genpd);
+ int ret;
+ int i;
+
+ regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VPU_HDMI, 0);
+ udelay(20);
+
+ /* Power Up Memories */
+ for (i = 0; i < 32; i += 2) {
+ regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG0,
+ 0x3 << i, 0);
+ udelay(5);
+ }
+
+ for (i = 0; i < 32; i += 2) {
+ regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG1,
+ 0x3 << i, 0);
+ udelay(5);
+ }
+
+ for (i = 8; i < 16; i++) {
+ regmap_update_bits(pd->regmap_hhi, HHI_MEM_PD_REG0,
+ BIT(i), 0);
+ udelay(5);
+ }
+ udelay(20);
+
+ ret = reset_control_assert(pd->rstc);
+ if (ret)
+ return ret;
+
+ regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VPU_HDMI_ISO, 0);
+
+ ret = reset_control_deassert(pd->rstc);
+ if (ret)
+ return ret;
+
+ ret = meson_gx_pwrc_vpu_setup_clk(pd);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int meson_g12a_pwrc_vpu_power_on(struct generic_pm_domain *genpd)
+{
+ struct meson_gx_pwrc_vpu *pd = genpd_to_pd(genpd);
+ int ret;
+ int i;
+
+ regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VPU_HDMI, 0);
+ udelay(20);
+
+ /* Power Up Memories */
+ for (i = 0; i < 32; i += 2) {
+ regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG0,
+ 0x3 << i, 0);
+ udelay(5);
+ }
+
+ for (i = 0; i < 32; i += 2) {
+ regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG1,
+ 0x3 << i, 0);
+ udelay(5);
+ }
+
+ for (i = 0; i < 32; i += 2) {
+ regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG2,
+ 0x3 << i, 0);
+ udelay(5);
+ }
+
+ for (i = 8; i < 16; i++) {
+ regmap_update_bits(pd->regmap_hhi, HHI_MEM_PD_REG0,
+ BIT(i), 0);
+ udelay(5);
+ }
+ udelay(20);
+
+ ret = reset_control_assert(pd->rstc);
+ if (ret)
+ return ret;
+
+ regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VPU_HDMI_ISO, 0);
+
+ ret = reset_control_deassert(pd->rstc);
+ if (ret)
+ return ret;
+
+ ret = meson_gx_pwrc_vpu_setup_clk(pd);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static bool meson_gx_pwrc_vpu_get_power(struct meson_gx_pwrc_vpu *pd)
+{
+ u32 reg;
+
+ regmap_read(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0, ®);
+
+ return (reg & GEN_PWR_VPU_HDMI);
+}
+
+static struct meson_gx_pwrc_vpu vpu_hdmi_pd = {
+ .genpd = {
+ .name = "vpu_hdmi",
+ .power_off = meson_gx_pwrc_vpu_power_off,
+ .power_on = meson_gx_pwrc_vpu_power_on,
+ },
+};
+
+static struct meson_gx_pwrc_vpu vpu_hdmi_pd_g12a = {
+ .genpd = {
+ .name = "vpu_hdmi",
+ .power_off = meson_g12a_pwrc_vpu_power_off,
+ .power_on = meson_g12a_pwrc_vpu_power_on,
+ },
+};
+
+static int meson_gx_pwrc_vpu_probe(struct platform_device *pdev)
+{
+ const struct meson_gx_pwrc_vpu *vpu_pd_match;
+ struct regmap *regmap_ao, *regmap_hhi;
+ struct meson_gx_pwrc_vpu *vpu_pd;
+ struct device_node *parent_np;
+ struct reset_control *rstc;
+ struct clk *vpu_clk;
+ struct clk *vapb_clk;
+ bool powered_off;
+ int ret;
+
+ vpu_pd_match = of_device_get_match_data(&pdev->dev);
+ if (!vpu_pd_match) {
+ dev_err(&pdev->dev, "failed to get match data\n");
+ return -ENODEV;
+ }
+
+ vpu_pd = devm_kzalloc(&pdev->dev, sizeof(*vpu_pd), GFP_KERNEL);
+ if (!vpu_pd)
+ return -ENOMEM;
+
+ memcpy(vpu_pd, vpu_pd_match, sizeof(*vpu_pd));
+
+ parent_np = of_get_parent(pdev->dev.of_node);
+ regmap_ao = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
+ if (IS_ERR(regmap_ao)) {
+ dev_err(&pdev->dev, "failed to get regmap\n");
+ return PTR_ERR(regmap_ao);
+ }
+
+ regmap_hhi = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
+ "amlogic,hhi-sysctrl");
+ if (IS_ERR(regmap_hhi)) {
+ dev_err(&pdev->dev, "failed to get HHI regmap\n");
+ return PTR_ERR(regmap_hhi);
+ }
+
+ rstc = devm_reset_control_array_get_exclusive(&pdev->dev);
+ if (IS_ERR(rstc))
+ return dev_err_probe(&pdev->dev, PTR_ERR(rstc),
+ "failed to get reset lines\n");
+
+ vpu_clk = devm_clk_get(&pdev->dev, "vpu");
+ if (IS_ERR(vpu_clk)) {
+ dev_err(&pdev->dev, "vpu clock request failed\n");
+ return PTR_ERR(vpu_clk);
+ }
+
+ vapb_clk = devm_clk_get(&pdev->dev, "vapb");
+ if (IS_ERR(vapb_clk)) {
+ dev_err(&pdev->dev, "vapb clock request failed\n");
+ return PTR_ERR(vapb_clk);
+ }
+
+ vpu_pd->regmap_ao = regmap_ao;
+ vpu_pd->regmap_hhi = regmap_hhi;
+ vpu_pd->rstc = rstc;
+ vpu_pd->vpu_clk = vpu_clk;
+ vpu_pd->vapb_clk = vapb_clk;
+
+ platform_set_drvdata(pdev, vpu_pd);
+
+ powered_off = meson_gx_pwrc_vpu_get_power(vpu_pd);
+
+ /* If already powered, sync the clock states */
+ if (!powered_off) {
+ ret = meson_gx_pwrc_vpu_setup_clk(vpu_pd);
+ if (ret)
+ return ret;
+ }
+
+ vpu_pd->genpd.flags = GENPD_FLAG_ALWAYS_ON;
+ pm_genpd_init(&vpu_pd->genpd, NULL, powered_off);
+
+ return of_genpd_add_provider_simple(pdev->dev.of_node,
+ &vpu_pd->genpd);
+}
+
+static void meson_gx_pwrc_vpu_shutdown(struct platform_device *pdev)
+{
+ struct meson_gx_pwrc_vpu *vpu_pd = platform_get_drvdata(pdev);
+ bool powered_off;
+
+ powered_off = meson_gx_pwrc_vpu_get_power(vpu_pd);
+ if (!powered_off)
+ vpu_pd->genpd.power_off(&vpu_pd->genpd);
+}
+
+static const struct of_device_id meson_gx_pwrc_vpu_match_table[] = {
+ { .compatible = "amlogic,meson-gx-pwrc-vpu", .data = &vpu_hdmi_pd },
+ {
+ .compatible = "amlogic,meson-g12a-pwrc-vpu",
+ .data = &vpu_hdmi_pd_g12a
+ },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, meson_gx_pwrc_vpu_match_table);
+
+static struct platform_driver meson_gx_pwrc_vpu_driver = {
+ .probe = meson_gx_pwrc_vpu_probe,
+ .shutdown = meson_gx_pwrc_vpu_shutdown,
+ .driver = {
+ .name = "meson_gx_pwrc_vpu",
+ .of_match_table = meson_gx_pwrc_vpu_match_table,
+ },
+};
+module_platform_driver(meson_gx_pwrc_vpu_driver);
+MODULE_LICENSE("GPL v2");
--- /dev/null
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 Amlogic, Inc.
+ * Author: Jianxin Pan <jianxin.pan@amlogic.com>
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <dt-bindings/power/meson-a1-power.h>
+#include <dt-bindings/power/amlogic,c3-pwrc.h>
+#include <dt-bindings/power/meson-s4-power.h>
+#include <linux/arm-smccc.h>
+#include <linux/firmware/meson/meson_sm.h>
+#include <linux/module.h>
+
+#define PWRC_ON 1
+#define PWRC_OFF 0
+
+struct meson_secure_pwrc_domain {
+ struct generic_pm_domain base;
+ unsigned int index;
+ struct meson_secure_pwrc *pwrc;
+};
+
+struct meson_secure_pwrc {
+ struct meson_secure_pwrc_domain *domains;
+ struct genpd_onecell_data xlate;
+ struct meson_sm_firmware *fw;
+};
+
+struct meson_secure_pwrc_domain_desc {
+ unsigned int index;
+ unsigned int flags;
+ char *name;
+ bool (*is_off)(struct meson_secure_pwrc_domain *pwrc_domain);
+};
+
+struct meson_secure_pwrc_domain_data {
+ unsigned int count;
+ struct meson_secure_pwrc_domain_desc *domains;
+};
+
+static bool pwrc_secure_is_off(struct meson_secure_pwrc_domain *pwrc_domain)
+{
+ int is_off = 1;
+
+ if (meson_sm_call(pwrc_domain->pwrc->fw, SM_A1_PWRC_GET, &is_off,
+ pwrc_domain->index, 0, 0, 0, 0) < 0)
+ pr_err("failed to get power domain status\n");
+
+ return is_off;
+}
+
+static int meson_secure_pwrc_off(struct generic_pm_domain *domain)
+{
+ int ret = 0;
+ struct meson_secure_pwrc_domain *pwrc_domain =
+ container_of(domain, struct meson_secure_pwrc_domain, base);
+
+ if (meson_sm_call(pwrc_domain->pwrc->fw, SM_A1_PWRC_SET, NULL,
+ pwrc_domain->index, PWRC_OFF, 0, 0, 0) < 0) {
+ pr_err("failed to set power domain off\n");
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static int meson_secure_pwrc_on(struct generic_pm_domain *domain)
+{
+ int ret = 0;
+ struct meson_secure_pwrc_domain *pwrc_domain =
+ container_of(domain, struct meson_secure_pwrc_domain, base);
+
+ if (meson_sm_call(pwrc_domain->pwrc->fw, SM_A1_PWRC_SET, NULL,
+ pwrc_domain->index, PWRC_ON, 0, 0, 0) < 0) {
+ pr_err("failed to set power domain on\n");
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+#define SEC_PD(__name, __flag) \
+[PWRC_##__name##_ID] = \
+{ \
+ .name = #__name, \
+ .index = PWRC_##__name##_ID, \
+ .is_off = pwrc_secure_is_off, \
+ .flags = __flag, \
+}
+
+static struct meson_secure_pwrc_domain_desc a1_pwrc_domains[] = {
+ SEC_PD(DSPA, 0),
+ SEC_PD(DSPB, 0),
+ /* UART should keep working in ATF after suspend and before resume */
+ SEC_PD(UART, GENPD_FLAG_ALWAYS_ON),
+ /* DMC is for DDR PHY ana/dig and DMC, and should be always on */
+ SEC_PD(DMC, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(I2C, 0),
+ SEC_PD(PSRAM, 0),
+ SEC_PD(ACODEC, 0),
+ SEC_PD(AUDIO, 0),
+ SEC_PD(OTP, 0),
+ SEC_PD(DMA, GENPD_FLAG_ALWAYS_ON | GENPD_FLAG_IRQ_SAFE),
+ SEC_PD(SD_EMMC, 0),
+ SEC_PD(RAMA, 0),
+ /* SRAMB is used as ATF runtime memory, and should be always on */
+ SEC_PD(RAMB, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(IR, 0),
+ SEC_PD(SPICC, 0),
+ SEC_PD(SPIFC, 0),
+ SEC_PD(USB, 0),
+ /* NIC is for the Arm NIC-400 interconnect, and should be always on */
+ SEC_PD(NIC, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(PDMIN, 0),
+ SEC_PD(RSA, 0),
+};
+
+static struct meson_secure_pwrc_domain_desc c3_pwrc_domains[] = {
+ SEC_PD(C3_NNA, 0),
+ SEC_PD(C3_AUDIO, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(C3_SDIOA, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(C3_EMMC, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(C3_USB_COMB, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(C3_SDCARD, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(C3_ETH, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(C3_GE2D, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(C3_CVE, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(C3_GDC_WRAP, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(C3_ISP_TOP, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(C3_MIPI_ISP_WRAP, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(C3_VCODEC, 0),
+};
+
+static struct meson_secure_pwrc_domain_desc s4_pwrc_domains[] = {
+ SEC_PD(S4_DOS_HEVC, 0),
+ SEC_PD(S4_DOS_VDEC, 0),
+ SEC_PD(S4_VPU_HDMI, 0),
+ SEC_PD(S4_USB_COMB, 0),
+ SEC_PD(S4_GE2D, 0),
+ /* ETH is for ethernet online wakeup, and should be always on */
+ SEC_PD(S4_ETH, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(S4_DEMOD, 0),
+ SEC_PD(S4_AUDIO, 0),
+};
+
+static int meson_secure_pwrc_probe(struct platform_device *pdev)
+{
+ int i;
+ struct device_node *sm_np;
+ struct meson_secure_pwrc *pwrc;
+ const struct meson_secure_pwrc_domain_data *match;
+
+ match = of_device_get_match_data(&pdev->dev);
+ if (!match) {
+ dev_err(&pdev->dev, "failed to get match data\n");
+ return -ENODEV;
+ }
+
+ sm_np = of_find_compatible_node(NULL, NULL, "amlogic,meson-gxbb-sm");
+ if (!sm_np) {
+ dev_err(&pdev->dev, "no secure-monitor node\n");
+ return -ENODEV;
+ }
+
+ pwrc = devm_kzalloc(&pdev->dev, sizeof(*pwrc), GFP_KERNEL);
+ if (!pwrc) {
+ of_node_put(sm_np);
+ return -ENOMEM;
+ }
+
+ pwrc->fw = meson_sm_get(sm_np);
+ of_node_put(sm_np);
+ if (!pwrc->fw)
+ return -EPROBE_DEFER;
+
+ pwrc->xlate.domains = devm_kcalloc(&pdev->dev, match->count,
+ sizeof(*pwrc->xlate.domains),
+ GFP_KERNEL);
+ if (!pwrc->xlate.domains)
+ return -ENOMEM;
+
+ pwrc->domains = devm_kcalloc(&pdev->dev, match->count,
+ sizeof(*pwrc->domains), GFP_KERNEL);
+ if (!pwrc->domains)
+ return -ENOMEM;
+
+ pwrc->xlate.num_domains = match->count;
+ platform_set_drvdata(pdev, pwrc);
+
+ for (i = 0 ; i < match->count ; ++i) {
+ struct meson_secure_pwrc_domain *dom = &pwrc->domains[i];
+
+ if (!match->domains[i].name)
+ continue;
+
+ dom->pwrc = pwrc;
+ dom->index = match->domains[i].index;
+ dom->base.name = match->domains[i].name;
+ dom->base.flags = match->domains[i].flags;
+ dom->base.power_on = meson_secure_pwrc_on;
+ dom->base.power_off = meson_secure_pwrc_off;
+
+ pm_genpd_init(&dom->base, NULL, match->domains[i].is_off(dom));
+
+ pwrc->xlate.domains[i] = &dom->base;
+ }
+
+ return of_genpd_add_provider_onecell(pdev->dev.of_node, &pwrc->xlate);
+}
+
+static struct meson_secure_pwrc_domain_data meson_secure_a1_pwrc_data = {
+ .domains = a1_pwrc_domains,
+ .count = ARRAY_SIZE(a1_pwrc_domains),
+};
+
+static struct meson_secure_pwrc_domain_data amlogic_secure_c3_pwrc_data = {
+ .domains = c3_pwrc_domains,
+ .count = ARRAY_SIZE(c3_pwrc_domains),
+};
+
+static struct meson_secure_pwrc_domain_data meson_secure_s4_pwrc_data = {
+ .domains = s4_pwrc_domains,
+ .count = ARRAY_SIZE(s4_pwrc_domains),
+};
+
+static const struct of_device_id meson_secure_pwrc_match_table[] = {
+ {
+ .compatible = "amlogic,meson-a1-pwrc",
+ .data = &meson_secure_a1_pwrc_data,
+ },
+ {
+ .compatible = "amlogic,c3-pwrc",
+ .data = &amlogic_secure_c3_pwrc_data,
+ },
+ {
+ .compatible = "amlogic,meson-s4-pwrc",
+ .data = &meson_secure_s4_pwrc_data,
+ },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, meson_secure_pwrc_match_table);
+
+static struct platform_driver meson_secure_pwrc_driver = {
+ .probe = meson_secure_pwrc_probe,
+ .driver = {
+ .name = "meson_secure_pwrc",
+ .of_match_table = meson_secure_pwrc_match_table,
+ },
+};
+module_platform_driver(meson_secure_pwrc_driver);
+MODULE_LICENSE("Dual MIT/GPL");
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_APPLE_PMGR_PWRSTATE) += pmgr-pwrstate.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only OR MIT
+/*
+ * Apple SoC PMGR device power state driver
+ *
+ * Copyright The Asahi Linux Contributors
+ */
+
+#include <linux/bitops.h>
+#include <linux/bitfield.h>
+#include <linux/err.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/regmap.h>
+#include <linux/mfd/syscon.h>
+#include <linux/reset-controller.h>
+#include <linux/module.h>
+
+#define APPLE_PMGR_RESET BIT(31)
+#define APPLE_PMGR_AUTO_ENABLE BIT(28)
+#define APPLE_PMGR_PS_AUTO GENMASK(27, 24)
+#define APPLE_PMGR_PS_MIN GENMASK(19, 16)
+#define APPLE_PMGR_PARENT_OFF BIT(11)
+#define APPLE_PMGR_DEV_DISABLE BIT(10)
+#define APPLE_PMGR_WAS_CLKGATED BIT(9)
+#define APPLE_PMGR_WAS_PWRGATED BIT(8)
+#define APPLE_PMGR_PS_ACTUAL GENMASK(7, 4)
+#define APPLE_PMGR_PS_TARGET GENMASK(3, 0)
+
+#define APPLE_PMGR_FLAGS (APPLE_PMGR_WAS_CLKGATED | APPLE_PMGR_WAS_PWRGATED)
+
+#define APPLE_PMGR_PS_ACTIVE 0xf
+#define APPLE_PMGR_PS_CLKGATE 0x4
+#define APPLE_PMGR_PS_PWRGATE 0x0
+
+#define APPLE_PMGR_PS_SET_TIMEOUT 100
+#define APPLE_PMGR_RESET_TIME 1
+
+struct apple_pmgr_ps {
+ struct device *dev;
+ struct generic_pm_domain genpd;
+ struct reset_controller_dev rcdev;
+ struct regmap *regmap;
+ u32 offset;
+ u32 min_state;
+};
+
+#define genpd_to_apple_pmgr_ps(_genpd) container_of(_genpd, struct apple_pmgr_ps, genpd)
+#define rcdev_to_apple_pmgr_ps(_rcdev) container_of(_rcdev, struct apple_pmgr_ps, rcdev)
+
+static int apple_pmgr_ps_set(struct generic_pm_domain *genpd, u32 pstate, bool auto_enable)
+{
+ int ret;
+ struct apple_pmgr_ps *ps = genpd_to_apple_pmgr_ps(genpd);
+ u32 reg;
+
+ ret = regmap_read(ps->regmap, ps->offset, ®);
+ if (ret < 0)
+ return ret;
+
+ /* Resets are synchronous, and only work if the device is powered and clocked. */
+ if (reg & APPLE_PMGR_RESET && pstate != APPLE_PMGR_PS_ACTIVE)
+ dev_err(ps->dev, "PS %s: powering off with RESET active\n",
+ genpd->name);
+
+ reg &= ~(APPLE_PMGR_AUTO_ENABLE | APPLE_PMGR_FLAGS | APPLE_PMGR_PS_TARGET);
+ reg |= FIELD_PREP(APPLE_PMGR_PS_TARGET, pstate);
+
+ dev_dbg(ps->dev, "PS %s: pwrstate = 0x%x: 0x%x\n", genpd->name, pstate, reg);
+
+ regmap_write(ps->regmap, ps->offset, reg);
+
+ ret = regmap_read_poll_timeout_atomic(
+ ps->regmap, ps->offset, reg,
+ (FIELD_GET(APPLE_PMGR_PS_ACTUAL, reg) == pstate), 1,
+ APPLE_PMGR_PS_SET_TIMEOUT);
+ if (ret < 0)
+ dev_err(ps->dev, "PS %s: Failed to reach power state 0x%x (now: 0x%x)\n",
+ genpd->name, pstate, reg);
+
+ if (auto_enable) {
+ /* Not all devices implement this; this is a no-op where not implemented. */
+ reg &= ~APPLE_PMGR_FLAGS;
+ reg |= APPLE_PMGR_AUTO_ENABLE;
+ regmap_write(ps->regmap, ps->offset, reg);
+ }
+
+ return ret;
+}
+
+static bool apple_pmgr_ps_is_active(struct apple_pmgr_ps *ps)
+{
+ u32 reg = 0;
+
+ regmap_read(ps->regmap, ps->offset, ®);
+ /*
+ * We consider domains as active if they are actually on, or if they have auto-PM
+ * enabled and the intended target is on.
+ */
+ return (FIELD_GET(APPLE_PMGR_PS_ACTUAL, reg) == APPLE_PMGR_PS_ACTIVE ||
+ (FIELD_GET(APPLE_PMGR_PS_TARGET, reg) == APPLE_PMGR_PS_ACTIVE &&
+ reg & APPLE_PMGR_AUTO_ENABLE));
+}
+
+static int apple_pmgr_ps_power_on(struct generic_pm_domain *genpd)
+{
+ return apple_pmgr_ps_set(genpd, APPLE_PMGR_PS_ACTIVE, true);
+}
+
+static int apple_pmgr_ps_power_off(struct generic_pm_domain *genpd)
+{
+ return apple_pmgr_ps_set(genpd, APPLE_PMGR_PS_PWRGATE, false);
+}
+
+static int apple_pmgr_reset_assert(struct reset_controller_dev *rcdev, unsigned long id)
+{
+ struct apple_pmgr_ps *ps = rcdev_to_apple_pmgr_ps(rcdev);
+ unsigned long flags;
+
+ spin_lock_irqsave(&ps->genpd.slock, flags);
+
+ if (ps->genpd.status == GENPD_STATE_OFF)
+ dev_err(ps->dev, "PS 0x%x: asserting RESET while powered down\n", ps->offset);
+
+ dev_dbg(ps->dev, "PS 0x%x: assert reset\n", ps->offset);
+ /* Quiesce device before asserting reset */
+ regmap_update_bits(ps->regmap, ps->offset, APPLE_PMGR_FLAGS | APPLE_PMGR_DEV_DISABLE,
+ APPLE_PMGR_DEV_DISABLE);
+ regmap_update_bits(ps->regmap, ps->offset, APPLE_PMGR_FLAGS | APPLE_PMGR_RESET,
+ APPLE_PMGR_RESET);
+
+ spin_unlock_irqrestore(&ps->genpd.slock, flags);
+
+ return 0;
+}
+
+static int apple_pmgr_reset_deassert(struct reset_controller_dev *rcdev, unsigned long id)
+{
+ struct apple_pmgr_ps *ps = rcdev_to_apple_pmgr_ps(rcdev);
+ unsigned long flags;
+
+ spin_lock_irqsave(&ps->genpd.slock, flags);
+
+ dev_dbg(ps->dev, "PS 0x%x: deassert reset\n", ps->offset);
+ regmap_update_bits(ps->regmap, ps->offset, APPLE_PMGR_FLAGS | APPLE_PMGR_RESET, 0);
+ regmap_update_bits(ps->regmap, ps->offset, APPLE_PMGR_FLAGS | APPLE_PMGR_DEV_DISABLE, 0);
+
+ if (ps->genpd.status == GENPD_STATE_OFF)
+ dev_err(ps->dev, "PS 0x%x: RESET was deasserted while powered down\n", ps->offset);
+
+ spin_unlock_irqrestore(&ps->genpd.slock, flags);
+
+ return 0;
+}
+
+static int apple_pmgr_reset_reset(struct reset_controller_dev *rcdev, unsigned long id)
+{
+ int ret;
+
+ ret = apple_pmgr_reset_assert(rcdev, id);
+ if (ret)
+ return ret;
+
+ usleep_range(APPLE_PMGR_RESET_TIME, 2 * APPLE_PMGR_RESET_TIME);
+
+ return apple_pmgr_reset_deassert(rcdev, id);
+}
+
+static int apple_pmgr_reset_status(struct reset_controller_dev *rcdev, unsigned long id)
+{
+ struct apple_pmgr_ps *ps = rcdev_to_apple_pmgr_ps(rcdev);
+ u32 reg = 0;
+
+ regmap_read(ps->regmap, ps->offset, ®);
+
+ return !!(reg & APPLE_PMGR_RESET);
+}
+
+const struct reset_control_ops apple_pmgr_reset_ops = {
+ .assert = apple_pmgr_reset_assert,
+ .deassert = apple_pmgr_reset_deassert,
+ .reset = apple_pmgr_reset_reset,
+ .status = apple_pmgr_reset_status,
+};
+
+static int apple_pmgr_reset_xlate(struct reset_controller_dev *rcdev,
+ const struct of_phandle_args *reset_spec)
+{
+ return 0;
+}
+
+static int apple_pmgr_ps_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *node = dev->of_node;
+ struct apple_pmgr_ps *ps;
+ struct regmap *regmap;
+ struct of_phandle_iterator it;
+ int ret;
+ const char *name;
+ bool active;
+
+ regmap = syscon_node_to_regmap(node->parent);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ ps = devm_kzalloc(dev, sizeof(*ps), GFP_KERNEL);
+ if (!ps)
+ return -ENOMEM;
+
+ ps->dev = dev;
+ ps->regmap = regmap;
+
+ ret = of_property_read_string(node, "label", &name);
+ if (ret < 0) {
+ dev_err(dev, "missing label property\n");
+ return ret;
+ }
+
+ ret = of_property_read_u32(node, "reg", &ps->offset);
+ if (ret < 0) {
+ dev_err(dev, "missing reg property\n");
+ return ret;
+ }
+
+ ps->genpd.flags |= GENPD_FLAG_IRQ_SAFE;
+ ps->genpd.name = name;
+ ps->genpd.power_on = apple_pmgr_ps_power_on;
+ ps->genpd.power_off = apple_pmgr_ps_power_off;
+
+ ret = of_property_read_u32(node, "apple,min-state", &ps->min_state);
+ if (ret == 0 && ps->min_state <= APPLE_PMGR_PS_ACTIVE)
+ regmap_update_bits(regmap, ps->offset, APPLE_PMGR_FLAGS | APPLE_PMGR_PS_MIN,
+ FIELD_PREP(APPLE_PMGR_PS_MIN, ps->min_state));
+
+ active = apple_pmgr_ps_is_active(ps);
+ if (of_property_read_bool(node, "apple,always-on")) {
+ ps->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
+ if (!active) {
+ dev_warn(dev, "always-on domain %s is not on at boot\n", name);
+ /* Turn it on so pm_genpd_init does not fail */
+ active = apple_pmgr_ps_power_on(&ps->genpd) == 0;
+ }
+ }
+
+ /* Turn on auto-PM if the domain is already on */
+ if (active)
+ regmap_update_bits(regmap, ps->offset, APPLE_PMGR_FLAGS | APPLE_PMGR_AUTO_ENABLE,
+ APPLE_PMGR_AUTO_ENABLE);
+
+ ret = pm_genpd_init(&ps->genpd, NULL, !active);
+ if (ret < 0) {
+ dev_err(dev, "pm_genpd_init failed\n");
+ return ret;
+ }
+
+ ret = of_genpd_add_provider_simple(node, &ps->genpd);
+ if (ret < 0) {
+ dev_err(dev, "of_genpd_add_provider_simple failed\n");
+ return ret;
+ }
+
+ of_for_each_phandle(&it, ret, node, "power-domains", "#power-domain-cells", -1) {
+ struct of_phandle_args parent, child;
+
+ parent.np = it.node;
+ parent.args_count = of_phandle_iterator_args(&it, parent.args, MAX_PHANDLE_ARGS);
+ child.np = node;
+ child.args_count = 0;
+ ret = of_genpd_add_subdomain(&parent, &child);
+
+ if (ret == -EPROBE_DEFER) {
+ of_node_put(parent.np);
+ goto err_remove;
+ } else if (ret < 0) {
+ dev_err(dev, "failed to add to parent domain: %d (%s -> %s)\n",
+ ret, it.node->name, node->name);
+ of_node_put(parent.np);
+ goto err_remove;
+ }
+ }
+
+ /*
+ * Do not participate in regular PM; parent power domains are handled via the
+ * genpd hierarchy.
+ */
+ pm_genpd_remove_device(dev);
+
+ ps->rcdev.owner = THIS_MODULE;
+ ps->rcdev.nr_resets = 1;
+ ps->rcdev.ops = &apple_pmgr_reset_ops;
+ ps->rcdev.of_node = dev->of_node;
+ ps->rcdev.of_reset_n_cells = 0;
+ ps->rcdev.of_xlate = apple_pmgr_reset_xlate;
+
+ ret = devm_reset_controller_register(dev, &ps->rcdev);
+ if (ret < 0)
+ goto err_remove;
+
+ return 0;
+err_remove:
+ of_genpd_del_provider(node);
+ pm_genpd_remove(&ps->genpd);
+ return ret;
+}
+
+static const struct of_device_id apple_pmgr_ps_of_match[] = {
+ { .compatible = "apple,pmgr-pwrstate" },
+ {}
+};
+
+MODULE_DEVICE_TABLE(of, apple_pmgr_ps_of_match);
+
+static struct platform_driver apple_pmgr_ps_driver = {
+ .probe = apple_pmgr_ps_probe,
+ .driver = {
+ .name = "apple-pmgr-pwrstate",
+ .of_match_table = apple_pmgr_ps_of_match,
+ },
+};
+
+MODULE_AUTHOR("Hector Martin <marcan@marcan.st>");
+MODULE_DESCRIPTION("PMGR power state driver for Apple SoCs");
+
+module_platform_driver(apple_pmgr_ps_driver);
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_BCM_PMB) += bcm-pmb.o
+obj-$(CONFIG_BCM2835_POWER) += bcm2835-power.o
+obj-$(CONFIG_BCM63XX_POWER) += bcm63xx-power.o
+obj-$(CONFIG_RASPBERRYPI_POWER) += raspberrypi-power.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2013 Broadcom
+ * Copyright (C) 2020 Rafał Miłecki <rafal@milecki.pl>
+ */
+
+#include <dt-bindings/soc/bcm-pmb.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/reset/bcm63xx_pmb.h>
+
+#define BPCM_ID_REG 0x00
+#define BPCM_CAPABILITIES 0x04
+#define BPCM_CAP_NUM_ZONES 0x000000ff
+#define BPCM_CAP_SR_REG_BITS 0x0000ff00
+#define BPCM_CAP_PLLTYPE 0x00030000
+#define BPCM_CAP_UBUS 0x00080000
+#define BPCM_CONTROL 0x08
+#define BPCM_STATUS 0x0c
+#define BPCM_ROSC_CONTROL 0x10
+#define BPCM_ROSC_THRESH_H 0x14
+#define BPCM_ROSC_THRESHOLD_BCM6838 0x14
+#define BPCM_ROSC_THRESH_S 0x18
+#define BPCM_ROSC_COUNT_BCM6838 0x18
+#define BPCM_ROSC_COUNT 0x1c
+#define BPCM_PWD_CONTROL_BCM6838 0x1c
+#define BPCM_PWD_CONTROL 0x20
+#define BPCM_SR_CONTROL_BCM6838 0x20
+#define BPCM_PWD_ACCUM_CONTROL 0x24
+#define BPCM_SR_CONTROL 0x28
+#define BPCM_GLOBAL_CONTROL 0x2c
+#define BPCM_MISC_CONTROL 0x30
+#define BPCM_MISC_CONTROL2 0x34
+#define BPCM_SGPHY_CNTL 0x38
+#define BPCM_SGPHY_STATUS 0x3c
+#define BPCM_ZONE0 0x40
+#define BPCM_ZONE_CONTROL 0x00
+#define BPCM_ZONE_CONTROL_MANUAL_CLK_EN 0x00000001
+#define BPCM_ZONE_CONTROL_MANUAL_RESET_CTL 0x00000002
+#define BPCM_ZONE_CONTROL_FREQ_SCALE_USED 0x00000004 /* R/O */
+#define BPCM_ZONE_CONTROL_DPG_CAPABLE 0x00000008 /* R/O */
+#define BPCM_ZONE_CONTROL_MANUAL_MEM_PWR 0x00000030
+#define BPCM_ZONE_CONTROL_MANUAL_ISO_CTL 0x00000040
+#define BPCM_ZONE_CONTROL_MANUAL_CTL 0x00000080
+#define BPCM_ZONE_CONTROL_DPG_CTL_EN 0x00000100
+#define BPCM_ZONE_CONTROL_PWR_DN_REQ 0x00000200
+#define BPCM_ZONE_CONTROL_PWR_UP_REQ 0x00000400
+#define BPCM_ZONE_CONTROL_MEM_PWR_CTL_EN 0x00000800
+#define BPCM_ZONE_CONTROL_BLK_RESET_ASSERT 0x00001000
+#define BPCM_ZONE_CONTROL_MEM_STBY 0x00002000
+#define BPCM_ZONE_CONTROL_RESERVED 0x0007c000
+#define BPCM_ZONE_CONTROL_PWR_CNTL_STATE 0x00f80000
+#define BPCM_ZONE_CONTROL_FREQ_SCALAR_DYN_SEL 0x01000000 /* R/O */
+#define BPCM_ZONE_CONTROL_PWR_OFF_STATE 0x02000000 /* R/O */
+#define BPCM_ZONE_CONTROL_PWR_ON_STATE 0x04000000 /* R/O */
+#define BPCM_ZONE_CONTROL_PWR_GOOD 0x08000000 /* R/O */
+#define BPCM_ZONE_CONTROL_DPG_PWR_STATE 0x10000000 /* R/O */
+#define BPCM_ZONE_CONTROL_MEM_PWR_STATE 0x20000000 /* R/O */
+#define BPCM_ZONE_CONTROL_ISO_STATE 0x40000000 /* R/O */
+#define BPCM_ZONE_CONTROL_RESET_STATE 0x80000000 /* R/O */
+#define BPCM_ZONE_CONFIG1 0x04
+#define BPCM_ZONE_CONFIG2 0x08
+#define BPCM_ZONE_FREQ_SCALAR_CONTROL 0x0c
+#define BPCM_ZONE_SIZE 0x10
+
+struct bcm_pmb {
+ struct device *dev;
+ void __iomem *base;
+ spinlock_t lock;
+ bool little_endian;
+ struct genpd_onecell_data genpd_onecell_data;
+};
+
+struct bcm_pmb_pd_data {
+ const char * const name;
+ int id;
+ u8 bus;
+ u8 device;
+};
+
+struct bcm_pmb_pm_domain {
+ struct bcm_pmb *pmb;
+ const struct bcm_pmb_pd_data *data;
+ struct generic_pm_domain genpd;
+};
+
+static int bcm_pmb_bpcm_read(struct bcm_pmb *pmb, int bus, u8 device,
+ int offset, u32 *val)
+{
+ void __iomem *base = pmb->base + bus * 0x20;
+ unsigned long flags;
+ int err;
+
+ spin_lock_irqsave(&pmb->lock, flags);
+ err = bpcm_rd(base, device, offset, val);
+ spin_unlock_irqrestore(&pmb->lock, flags);
+
+ if (!err)
+ *val = pmb->little_endian ? le32_to_cpu(*val) : be32_to_cpu(*val);
+
+ return err;
+}
+
+static int bcm_pmb_bpcm_write(struct bcm_pmb *pmb, int bus, u8 device,
+ int offset, u32 val)
+{
+ void __iomem *base = pmb->base + bus * 0x20;
+ unsigned long flags;
+ int err;
+
+ val = pmb->little_endian ? cpu_to_le32(val) : cpu_to_be32(val);
+
+ spin_lock_irqsave(&pmb->lock, flags);
+ err = bpcm_wr(base, device, offset, val);
+ spin_unlock_irqrestore(&pmb->lock, flags);
+
+ return err;
+}
+
+static int bcm_pmb_power_off_zone(struct bcm_pmb *pmb, int bus, u8 device,
+ int zone)
+{
+ int offset;
+ u32 val;
+ int err;
+
+ offset = BPCM_ZONE0 + zone * BPCM_ZONE_SIZE + BPCM_ZONE_CONTROL;
+
+ err = bcm_pmb_bpcm_read(pmb, bus, device, offset, &val);
+ if (err)
+ return err;
+
+ val |= BPCM_ZONE_CONTROL_PWR_DN_REQ;
+ val &= ~BPCM_ZONE_CONTROL_PWR_UP_REQ;
+
+ err = bcm_pmb_bpcm_write(pmb, bus, device, offset, val);
+
+ return err;
+}
+
+static int bcm_pmb_power_on_zone(struct bcm_pmb *pmb, int bus, u8 device,
+ int zone)
+{
+ int offset;
+ u32 val;
+ int err;
+
+ offset = BPCM_ZONE0 + zone * BPCM_ZONE_SIZE + BPCM_ZONE_CONTROL;
+
+ err = bcm_pmb_bpcm_read(pmb, bus, device, offset, &val);
+ if (err)
+ return err;
+
+ if (!(val & BPCM_ZONE_CONTROL_PWR_ON_STATE)) {
+ val &= ~BPCM_ZONE_CONTROL_PWR_DN_REQ;
+ val |= BPCM_ZONE_CONTROL_DPG_CTL_EN;
+ val |= BPCM_ZONE_CONTROL_PWR_UP_REQ;
+ val |= BPCM_ZONE_CONTROL_MEM_PWR_CTL_EN;
+ val |= BPCM_ZONE_CONTROL_BLK_RESET_ASSERT;
+
+ err = bcm_pmb_bpcm_write(pmb, bus, device, offset, val);
+ }
+
+ return err;
+}
+
+static int bcm_pmb_power_off_device(struct bcm_pmb *pmb, int bus, u8 device)
+{
+ int offset;
+ u32 val;
+ int err;
+
+ /* Entire device can be powered off by powering off the 0th zone */
+ offset = BPCM_ZONE0 + BPCM_ZONE_CONTROL;
+
+ err = bcm_pmb_bpcm_read(pmb, bus, device, offset, &val);
+ if (err)
+ return err;
+
+ if (!(val & BPCM_ZONE_CONTROL_PWR_OFF_STATE)) {
+ val = BPCM_ZONE_CONTROL_PWR_DN_REQ;
+
+ err = bcm_pmb_bpcm_write(pmb, bus, device, offset, val);
+ }
+
+ return err;
+}
+
+static int bcm_pmb_power_on_device(struct bcm_pmb *pmb, int bus, u8 device)
+{
+ u32 val;
+ int err;
+ int i;
+
+ err = bcm_pmb_bpcm_read(pmb, bus, device, BPCM_CAPABILITIES, &val);
+ if (err)
+ return err;
+
+ for (i = 0; i < (val & BPCM_CAP_NUM_ZONES); i++) {
+ err = bcm_pmb_power_on_zone(pmb, bus, device, i);
+ if (err)
+ return err;
+ }
+
+ return err;
+}
+
+static int bcm_pmb_power_on_sata(struct bcm_pmb *pmb, int bus, u8 device)
+{
+ int err;
+
+ err = bcm_pmb_power_on_zone(pmb, bus, device, 0);
+ if (err)
+ return err;
+
+ /* Does not apply to the BCM963158 */
+ err = bcm_pmb_bpcm_write(pmb, bus, device, BPCM_MISC_CONTROL, 0);
+ if (err)
+ return err;
+
+ err = bcm_pmb_bpcm_write(pmb, bus, device, BPCM_SR_CONTROL, 0xffffffff);
+ if (err)
+ return err;
+
+ err = bcm_pmb_bpcm_write(pmb, bus, device, BPCM_SR_CONTROL, 0);
+
+ return err;
+}
+
+static int bcm_pmb_power_on(struct generic_pm_domain *genpd)
+{
+ struct bcm_pmb_pm_domain *pd = container_of(genpd, struct bcm_pmb_pm_domain, genpd);
+ const struct bcm_pmb_pd_data *data = pd->data;
+ struct bcm_pmb *pmb = pd->pmb;
+
+ switch (data->id) {
+ case BCM_PMB_PCIE0:
+ case BCM_PMB_PCIE1:
+ case BCM_PMB_PCIE2:
+ return bcm_pmb_power_on_zone(pmb, data->bus, data->device, 0);
+ case BCM_PMB_HOST_USB:
+ return bcm_pmb_power_on_device(pmb, data->bus, data->device);
+ case BCM_PMB_SATA:
+ return bcm_pmb_power_on_sata(pmb, data->bus, data->device);
+ default:
+ dev_err(pmb->dev, "unsupported device id: %d\n", data->id);
+ return -EINVAL;
+ }
+}
+
+static int bcm_pmb_power_off(struct generic_pm_domain *genpd)
+{
+ struct bcm_pmb_pm_domain *pd = container_of(genpd, struct bcm_pmb_pm_domain, genpd);
+ const struct bcm_pmb_pd_data *data = pd->data;
+ struct bcm_pmb *pmb = pd->pmb;
+
+ switch (data->id) {
+ case BCM_PMB_PCIE0:
+ case BCM_PMB_PCIE1:
+ case BCM_PMB_PCIE2:
+ return bcm_pmb_power_off_zone(pmb, data->bus, data->device, 0);
+ case BCM_PMB_HOST_USB:
+ return bcm_pmb_power_off_device(pmb, data->bus, data->device);
+ default:
+ dev_err(pmb->dev, "unsupported device id: %d\n", data->id);
+ return -EINVAL;
+ }
+}
+
+static int bcm_pmb_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ const struct bcm_pmb_pd_data *table;
+ const struct bcm_pmb_pd_data *e;
+ struct bcm_pmb *pmb;
+ int max_id;
+ int err;
+
+ pmb = devm_kzalloc(dev, sizeof(*pmb), GFP_KERNEL);
+ if (!pmb)
+ return -ENOMEM;
+
+ pmb->dev = dev;
+
+ pmb->base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(pmb->base))
+ return PTR_ERR(pmb->base);
+
+ spin_lock_init(&pmb->lock);
+
+ pmb->little_endian = !of_device_is_big_endian(dev->of_node);
+
+ table = of_device_get_match_data(dev);
+ if (!table)
+ return -EINVAL;
+
+ max_id = 0;
+ for (e = table; e->name; e++)
+ max_id = max(max_id, e->id);
+
+ pmb->genpd_onecell_data.num_domains = max_id + 1;
+ pmb->genpd_onecell_data.domains =
+ devm_kcalloc(dev, pmb->genpd_onecell_data.num_domains,
+ sizeof(struct generic_pm_domain *), GFP_KERNEL);
+ if (!pmb->genpd_onecell_data.domains)
+ return -ENOMEM;
+
+ for (e = table; e->name; e++) {
+ struct bcm_pmb_pm_domain *pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
+
+ if (!pd)
+ return -ENOMEM;
+
+ pd->pmb = pmb;
+ pd->data = e;
+ pd->genpd.name = e->name;
+ pd->genpd.power_on = bcm_pmb_power_on;
+ pd->genpd.power_off = bcm_pmb_power_off;
+
+ pm_genpd_init(&pd->genpd, NULL, true);
+ pmb->genpd_onecell_data.domains[e->id] = &pd->genpd;
+ }
+
+ err = of_genpd_add_provider_onecell(dev->of_node, &pmb->genpd_onecell_data);
+ if (err) {
+ dev_err(dev, "failed to add genpd provider: %d\n", err);
+ return err;
+ }
+
+ return 0;
+}
+
+static const struct bcm_pmb_pd_data bcm_pmb_bcm4908_data[] = {
+ { .name = "pcie2", .id = BCM_PMB_PCIE2, .bus = 0, .device = 2, },
+ { .name = "pcie0", .id = BCM_PMB_PCIE0, .bus = 1, .device = 14, },
+ { .name = "pcie1", .id = BCM_PMB_PCIE1, .bus = 1, .device = 15, },
+ { .name = "usb", .id = BCM_PMB_HOST_USB, .bus = 1, .device = 17, },
+ { },
+};
+
+static const struct bcm_pmb_pd_data bcm_pmb_bcm63138_data[] = {
+ { .name = "sata", .id = BCM_PMB_SATA, .bus = 0, .device = 3, },
+ { },
+};
+
+static const struct of_device_id bcm_pmb_of_match[] = {
+ { .compatible = "brcm,bcm4908-pmb", .data = &bcm_pmb_bcm4908_data, },
+ { .compatible = "brcm,bcm63138-pmb", .data = &bcm_pmb_bcm63138_data, },
+ { },
+};
+
+static struct platform_driver bcm_pmb_driver = {
+ .driver = {
+ .name = "bcm-pmb",
+ .of_match_table = bcm_pmb_of_match,
+ },
+ .probe = bcm_pmb_probe,
+};
+
+builtin_platform_driver(bcm_pmb_driver);
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Power domain driver for Broadcom BCM2835
+ *
+ * Copyright (C) 2018 Broadcom
+ */
+
+#include <dt-bindings/soc/bcm2835-pm.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/mfd/bcm2835-pm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/reset-controller.h>
+#include <linux/types.h>
+
+#define PM_GNRIC 0x00
+#define PM_AUDIO 0x04
+#define PM_STATUS 0x18
+#define PM_RSTC 0x1c
+#define PM_RSTS 0x20
+#define PM_WDOG 0x24
+#define PM_PADS0 0x28
+#define PM_PADS2 0x2c
+#define PM_PADS3 0x30
+#define PM_PADS4 0x34
+#define PM_PADS5 0x38
+#define PM_PADS6 0x3c
+#define PM_CAM0 0x44
+#define PM_CAM0_LDOHPEN BIT(2)
+#define PM_CAM0_LDOLPEN BIT(1)
+#define PM_CAM0_CTRLEN BIT(0)
+
+#define PM_CAM1 0x48
+#define PM_CAM1_LDOHPEN BIT(2)
+#define PM_CAM1_LDOLPEN BIT(1)
+#define PM_CAM1_CTRLEN BIT(0)
+
+#define PM_CCP2TX 0x4c
+#define PM_CCP2TX_LDOEN BIT(1)
+#define PM_CCP2TX_CTRLEN BIT(0)
+
+#define PM_DSI0 0x50
+#define PM_DSI0_LDOHPEN BIT(2)
+#define PM_DSI0_LDOLPEN BIT(1)
+#define PM_DSI0_CTRLEN BIT(0)
+
+#define PM_DSI1 0x54
+#define PM_DSI1_LDOHPEN BIT(2)
+#define PM_DSI1_LDOLPEN BIT(1)
+#define PM_DSI1_CTRLEN BIT(0)
+
+#define PM_HDMI 0x58
+#define PM_HDMI_RSTDR BIT(19)
+#define PM_HDMI_LDOPD BIT(1)
+#define PM_HDMI_CTRLEN BIT(0)
+
+#define PM_USB 0x5c
+/* The power gates must be enabled with this bit before enabling the LDO in the
+ * USB block.
+ */
+#define PM_USB_CTRLEN BIT(0)
+
+#define PM_PXLDO 0x60
+#define PM_PXBG 0x64
+#define PM_DFT 0x68
+#define PM_SMPS 0x6c
+#define PM_XOSC 0x70
+#define PM_SPAREW 0x74
+#define PM_SPARER 0x78
+#define PM_AVS_RSTDR 0x7c
+#define PM_AVS_STAT 0x80
+#define PM_AVS_EVENT 0x84
+#define PM_AVS_INTEN 0x88
+#define PM_DUMMY 0xfc
+
+#define PM_IMAGE 0x108
+#define PM_GRAFX 0x10c
+#define PM_PROC 0x110
+#define PM_ENAB BIT(12)
+#define PM_ISPRSTN BIT(8)
+#define PM_H264RSTN BIT(7)
+#define PM_PERIRSTN BIT(6)
+#define PM_V3DRSTN BIT(6)
+#define PM_ISFUNC BIT(5)
+#define PM_MRDONE BIT(4)
+#define PM_MEMREP BIT(3)
+#define PM_ISPOW BIT(2)
+#define PM_POWOK BIT(1)
+#define PM_POWUP BIT(0)
+#define PM_INRUSH_SHIFT 13
+#define PM_INRUSH_3_5_MA 0
+#define PM_INRUSH_5_MA 1
+#define PM_INRUSH_10_MA 2
+#define PM_INRUSH_20_MA 3
+#define PM_INRUSH_MASK (3 << PM_INRUSH_SHIFT)
+
+#define PM_PASSWORD 0x5a000000
+
+#define PM_WDOG_TIME_SET 0x000fffff
+#define PM_RSTC_WRCFG_CLR 0xffffffcf
+#define PM_RSTS_HADWRH_SET 0x00000040
+#define PM_RSTC_WRCFG_SET 0x00000030
+#define PM_RSTC_WRCFG_FULL_RESET 0x00000020
+#define PM_RSTC_RESET 0x00000102
+
+#define PM_READ(reg) readl(power->base + (reg))
+#define PM_WRITE(reg, val) writel(PM_PASSWORD | (val), power->base + (reg))
+
+#define ASB_BRDG_VERSION 0x00
+#define ASB_CPR_CTRL 0x04
+
+#define ASB_V3D_S_CTRL 0x08
+#define ASB_V3D_M_CTRL 0x0c
+#define ASB_ISP_S_CTRL 0x10
+#define ASB_ISP_M_CTRL 0x14
+#define ASB_H264_S_CTRL 0x18
+#define ASB_H264_M_CTRL 0x1c
+
+#define ASB_REQ_STOP BIT(0)
+#define ASB_ACK BIT(1)
+#define ASB_EMPTY BIT(2)
+#define ASB_FULL BIT(3)
+
+#define ASB_AXI_BRDG_ID 0x20
+
+#define BCM2835_BRDG_ID 0x62726467
+
+struct bcm2835_power_domain {
+ struct generic_pm_domain base;
+ struct bcm2835_power *power;
+ u32 domain;
+ struct clk *clk;
+};
+
+struct bcm2835_power {
+ struct device *dev;
+ /* PM registers. */
+ void __iomem *base;
+ /* AXI Async bridge registers. */
+ void __iomem *asb;
+ /* RPiVid bridge registers. */
+ void __iomem *rpivid_asb;
+
+ struct genpd_onecell_data pd_xlate;
+ struct bcm2835_power_domain domains[BCM2835_POWER_DOMAIN_COUNT];
+ struct reset_controller_dev reset;
+};
+
+static int bcm2835_asb_control(struct bcm2835_power *power, u32 reg, bool enable)
+{
+ void __iomem *base = power->asb;
+ u64 start;
+ u32 val;
+
+ switch (reg) {
+ case 0:
+ return 0;
+ case ASB_V3D_S_CTRL:
+ case ASB_V3D_M_CTRL:
+ if (power->rpivid_asb)
+ base = power->rpivid_asb;
+ break;
+ }
+
+ start = ktime_get_ns();
+
+ /* Enable the module's async AXI bridges. */
+ if (enable) {
+ val = readl(base + reg) & ~ASB_REQ_STOP;
+ } else {
+ val = readl(base + reg) | ASB_REQ_STOP;
+ }
+ writel(PM_PASSWORD | val, base + reg);
+
+ while (readl(base + reg) & ASB_ACK) {
+ cpu_relax();
+ if (ktime_get_ns() - start >= 1000)
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+static int bcm2835_asb_enable(struct bcm2835_power *power, u32 reg)
+{
+ return bcm2835_asb_control(power, reg, true);
+}
+
+static int bcm2835_asb_disable(struct bcm2835_power *power, u32 reg)
+{
+ return bcm2835_asb_control(power, reg, false);
+}
+
+static int bcm2835_power_power_off(struct bcm2835_power_domain *pd, u32 pm_reg)
+{
+ struct bcm2835_power *power = pd->power;
+
+ /* We don't run this on BCM2711 */
+ if (power->rpivid_asb)
+ return 0;
+
+ /* Enable functional isolation */
+ PM_WRITE(pm_reg, PM_READ(pm_reg) & ~PM_ISFUNC);
+
+ /* Enable electrical isolation */
+ PM_WRITE(pm_reg, PM_READ(pm_reg) & ~PM_ISPOW);
+
+ /* Open the power switches. */
+ PM_WRITE(pm_reg, PM_READ(pm_reg) & ~PM_POWUP);
+
+ return 0;
+}
+
+static int bcm2835_power_power_on(struct bcm2835_power_domain *pd, u32 pm_reg)
+{
+ struct bcm2835_power *power = pd->power;
+ struct device *dev = power->dev;
+ u64 start;
+ int ret;
+ int inrush;
+ bool powok;
+
+ /* We don't run this on BCM2711 */
+ if (power->rpivid_asb)
+ return 0;
+
+ /* If it was already powered on by the fw, leave it that way. */
+ if (PM_READ(pm_reg) & PM_POWUP)
+ return 0;
+
+ /* Enable power. Allowing too much current at once may result
+ * in POWOK never getting set, so start low and ramp it up as
+ * necessary to succeed.
+ */
+ powok = false;
+ for (inrush = PM_INRUSH_3_5_MA; inrush <= PM_INRUSH_20_MA; inrush++) {
+ PM_WRITE(pm_reg,
+ (PM_READ(pm_reg) & ~PM_INRUSH_MASK) |
+ (inrush << PM_INRUSH_SHIFT) |
+ PM_POWUP);
+
+ start = ktime_get_ns();
+ while (!(powok = !!(PM_READ(pm_reg) & PM_POWOK))) {
+ cpu_relax();
+ if (ktime_get_ns() - start >= 3000)
+ break;
+ }
+ }
+ if (!powok) {
+ dev_err(dev, "Timeout waiting for %s power OK\n",
+ pd->base.name);
+ ret = -ETIMEDOUT;
+ goto err_disable_powup;
+ }
+
+ /* Disable electrical isolation */
+ PM_WRITE(pm_reg, PM_READ(pm_reg) | PM_ISPOW);
+
+ /* Repair memory */
+ PM_WRITE(pm_reg, PM_READ(pm_reg) | PM_MEMREP);
+ start = ktime_get_ns();
+ while (!(PM_READ(pm_reg) & PM_MRDONE)) {
+ cpu_relax();
+ if (ktime_get_ns() - start >= 1000) {
+ dev_err(dev, "Timeout waiting for %s memory repair\n",
+ pd->base.name);
+ ret = -ETIMEDOUT;
+ goto err_disable_ispow;
+ }
+ }
+
+ /* Disable functional isolation */
+ PM_WRITE(pm_reg, PM_READ(pm_reg) | PM_ISFUNC);
+
+ return 0;
+
+err_disable_ispow:
+ PM_WRITE(pm_reg, PM_READ(pm_reg) & ~PM_ISPOW);
+err_disable_powup:
+ PM_WRITE(pm_reg, PM_READ(pm_reg) & ~(PM_POWUP | PM_INRUSH_MASK));
+ return ret;
+}
+
+static int bcm2835_asb_power_on(struct bcm2835_power_domain *pd,
+ u32 pm_reg,
+ u32 asb_m_reg,
+ u32 asb_s_reg,
+ u32 reset_flags)
+{
+ struct bcm2835_power *power = pd->power;
+ int ret;
+
+ ret = clk_prepare_enable(pd->clk);
+ if (ret) {
+ dev_err(power->dev, "Failed to enable clock for %s\n",
+ pd->base.name);
+ return ret;
+ }
+
+ /* Wait 32 clocks for reset to propagate, 1 us will be enough */
+ udelay(1);
+
+ clk_disable_unprepare(pd->clk);
+
+ /* Deassert the resets. */
+ PM_WRITE(pm_reg, PM_READ(pm_reg) | reset_flags);
+
+ ret = clk_prepare_enable(pd->clk);
+ if (ret) {
+ dev_err(power->dev, "Failed to enable clock for %s\n",
+ pd->base.name);
+ goto err_enable_resets;
+ }
+
+ ret = bcm2835_asb_enable(power, asb_m_reg);
+ if (ret) {
+ dev_err(power->dev, "Failed to enable ASB master for %s\n",
+ pd->base.name);
+ goto err_disable_clk;
+ }
+ ret = bcm2835_asb_enable(power, asb_s_reg);
+ if (ret) {
+ dev_err(power->dev, "Failed to enable ASB slave for %s\n",
+ pd->base.name);
+ goto err_disable_asb_master;
+ }
+
+ return 0;
+
+err_disable_asb_master:
+ bcm2835_asb_disable(power, asb_m_reg);
+err_disable_clk:
+ clk_disable_unprepare(pd->clk);
+err_enable_resets:
+ PM_WRITE(pm_reg, PM_READ(pm_reg) & ~reset_flags);
+ return ret;
+}
+
+static int bcm2835_asb_power_off(struct bcm2835_power_domain *pd,
+ u32 pm_reg,
+ u32 asb_m_reg,
+ u32 asb_s_reg,
+ u32 reset_flags)
+{
+ struct bcm2835_power *power = pd->power;
+ int ret;
+
+ ret = bcm2835_asb_disable(power, asb_s_reg);
+ if (ret) {
+ dev_warn(power->dev, "Failed to disable ASB slave for %s\n",
+ pd->base.name);
+ return ret;
+ }
+ ret = bcm2835_asb_disable(power, asb_m_reg);
+ if (ret) {
+ dev_warn(power->dev, "Failed to disable ASB master for %s\n",
+ pd->base.name);
+ bcm2835_asb_enable(power, asb_s_reg);
+ return ret;
+ }
+
+ clk_disable_unprepare(pd->clk);
+
+ /* Assert the resets. */
+ PM_WRITE(pm_reg, PM_READ(pm_reg) & ~reset_flags);
+
+ return 0;
+}
+
+static int bcm2835_power_pd_power_on(struct generic_pm_domain *domain)
+{
+ struct bcm2835_power_domain *pd =
+ container_of(domain, struct bcm2835_power_domain, base);
+ struct bcm2835_power *power = pd->power;
+
+ switch (pd->domain) {
+ case BCM2835_POWER_DOMAIN_GRAFX:
+ return bcm2835_power_power_on(pd, PM_GRAFX);
+
+ case BCM2835_POWER_DOMAIN_GRAFX_V3D:
+ return bcm2835_asb_power_on(pd, PM_GRAFX,
+ ASB_V3D_M_CTRL, ASB_V3D_S_CTRL,
+ PM_V3DRSTN);
+
+ case BCM2835_POWER_DOMAIN_IMAGE:
+ return bcm2835_power_power_on(pd, PM_IMAGE);
+
+ case BCM2835_POWER_DOMAIN_IMAGE_PERI:
+ return bcm2835_asb_power_on(pd, PM_IMAGE,
+ 0, 0,
+ PM_PERIRSTN);
+
+ case BCM2835_POWER_DOMAIN_IMAGE_ISP:
+ return bcm2835_asb_power_on(pd, PM_IMAGE,
+ ASB_ISP_M_CTRL, ASB_ISP_S_CTRL,
+ PM_ISPRSTN);
+
+ case BCM2835_POWER_DOMAIN_IMAGE_H264:
+ return bcm2835_asb_power_on(pd, PM_IMAGE,
+ ASB_H264_M_CTRL, ASB_H264_S_CTRL,
+ PM_H264RSTN);
+
+ case BCM2835_POWER_DOMAIN_USB:
+ PM_WRITE(PM_USB, PM_USB_CTRLEN);
+ return 0;
+
+ case BCM2835_POWER_DOMAIN_DSI0:
+ PM_WRITE(PM_DSI0, PM_DSI0_CTRLEN);
+ PM_WRITE(PM_DSI0, PM_DSI0_CTRLEN | PM_DSI0_LDOHPEN);
+ return 0;
+
+ case BCM2835_POWER_DOMAIN_DSI1:
+ PM_WRITE(PM_DSI1, PM_DSI1_CTRLEN);
+ PM_WRITE(PM_DSI1, PM_DSI1_CTRLEN | PM_DSI1_LDOHPEN);
+ return 0;
+
+ case BCM2835_POWER_DOMAIN_CCP2TX:
+ PM_WRITE(PM_CCP2TX, PM_CCP2TX_CTRLEN);
+ PM_WRITE(PM_CCP2TX, PM_CCP2TX_CTRLEN | PM_CCP2TX_LDOEN);
+ return 0;
+
+ case BCM2835_POWER_DOMAIN_HDMI:
+ PM_WRITE(PM_HDMI, PM_READ(PM_HDMI) | PM_HDMI_RSTDR);
+ PM_WRITE(PM_HDMI, PM_READ(PM_HDMI) | PM_HDMI_CTRLEN);
+ PM_WRITE(PM_HDMI, PM_READ(PM_HDMI) & ~PM_HDMI_LDOPD);
+ usleep_range(100, 200);
+ PM_WRITE(PM_HDMI, PM_READ(PM_HDMI) & ~PM_HDMI_RSTDR);
+ return 0;
+
+ default:
+ dev_err(power->dev, "Invalid domain %d\n", pd->domain);
+ return -EINVAL;
+ }
+}
+
+static int bcm2835_power_pd_power_off(struct generic_pm_domain *domain)
+{
+ struct bcm2835_power_domain *pd =
+ container_of(domain, struct bcm2835_power_domain, base);
+ struct bcm2835_power *power = pd->power;
+
+ switch (pd->domain) {
+ case BCM2835_POWER_DOMAIN_GRAFX:
+ return bcm2835_power_power_off(pd, PM_GRAFX);
+
+ case BCM2835_POWER_DOMAIN_GRAFX_V3D:
+ return bcm2835_asb_power_off(pd, PM_GRAFX,
+ ASB_V3D_M_CTRL, ASB_V3D_S_CTRL,
+ PM_V3DRSTN);
+
+ case BCM2835_POWER_DOMAIN_IMAGE:
+ return bcm2835_power_power_off(pd, PM_IMAGE);
+
+ case BCM2835_POWER_DOMAIN_IMAGE_PERI:
+ return bcm2835_asb_power_off(pd, PM_IMAGE,
+ 0, 0,
+ PM_PERIRSTN);
+
+ case BCM2835_POWER_DOMAIN_IMAGE_ISP:
+ return bcm2835_asb_power_off(pd, PM_IMAGE,
+ ASB_ISP_M_CTRL, ASB_ISP_S_CTRL,
+ PM_ISPRSTN);
+
+ case BCM2835_POWER_DOMAIN_IMAGE_H264:
+ return bcm2835_asb_power_off(pd, PM_IMAGE,
+ ASB_H264_M_CTRL, ASB_H264_S_CTRL,
+ PM_H264RSTN);
+
+ case BCM2835_POWER_DOMAIN_USB:
+ PM_WRITE(PM_USB, 0);
+ return 0;
+
+ case BCM2835_POWER_DOMAIN_DSI0:
+ PM_WRITE(PM_DSI0, PM_DSI0_CTRLEN);
+ PM_WRITE(PM_DSI0, 0);
+ return 0;
+
+ case BCM2835_POWER_DOMAIN_DSI1:
+ PM_WRITE(PM_DSI1, PM_DSI1_CTRLEN);
+ PM_WRITE(PM_DSI1, 0);
+ return 0;
+
+ case BCM2835_POWER_DOMAIN_CCP2TX:
+ PM_WRITE(PM_CCP2TX, PM_CCP2TX_CTRLEN);
+ PM_WRITE(PM_CCP2TX, 0);
+ return 0;
+
+ case BCM2835_POWER_DOMAIN_HDMI:
+ PM_WRITE(PM_HDMI, PM_READ(PM_HDMI) | PM_HDMI_LDOPD);
+ PM_WRITE(PM_HDMI, PM_READ(PM_HDMI) & ~PM_HDMI_CTRLEN);
+ return 0;
+
+ default:
+ dev_err(power->dev, "Invalid domain %d\n", pd->domain);
+ return -EINVAL;
+ }
+}
+
+static int
+bcm2835_init_power_domain(struct bcm2835_power *power,
+ int pd_xlate_index, const char *name)
+{
+ struct device *dev = power->dev;
+ struct bcm2835_power_domain *dom = &power->domains[pd_xlate_index];
+
+ dom->clk = devm_clk_get(dev->parent, name);
+ if (IS_ERR(dom->clk)) {
+ int ret = PTR_ERR(dom->clk);
+
+ if (ret == -EPROBE_DEFER)
+ return ret;
+
+ /* Some domains don't have a clk, so make sure that we
+ * don't deref an error pointer later.
+ */
+ dom->clk = NULL;
+ }
+
+ dom->base.name = name;
+ dom->base.power_on = bcm2835_power_pd_power_on;
+ dom->base.power_off = bcm2835_power_pd_power_off;
+
+ dom->domain = pd_xlate_index;
+ dom->power = power;
+
+ /* XXX: on/off at boot? */
+ pm_genpd_init(&dom->base, NULL, true);
+
+ power->pd_xlate.domains[pd_xlate_index] = &dom->base;
+
+ return 0;
+}
+
+/** bcm2835_reset_reset - Resets a block that has a reset line in the
+ * PM block.
+ *
+ * The consumer of the reset controller must have the power domain up
+ * -- there's no reset ability with the power domain down. To reset
+ * the sub-block, we just disable its access to memory through the
+ * ASB, reset, and re-enable.
+ */
+static int bcm2835_reset_reset(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ struct bcm2835_power *power = container_of(rcdev, struct bcm2835_power,
+ reset);
+ struct bcm2835_power_domain *pd;
+ int ret;
+
+ switch (id) {
+ case BCM2835_RESET_V3D:
+ pd = &power->domains[BCM2835_POWER_DOMAIN_GRAFX_V3D];
+ break;
+ case BCM2835_RESET_H264:
+ pd = &power->domains[BCM2835_POWER_DOMAIN_IMAGE_H264];
+ break;
+ case BCM2835_RESET_ISP:
+ pd = &power->domains[BCM2835_POWER_DOMAIN_IMAGE_ISP];
+ break;
+ default:
+ dev_err(power->dev, "Bad reset id %ld\n", id);
+ return -EINVAL;
+ }
+
+ ret = bcm2835_power_pd_power_off(&pd->base);
+ if (ret)
+ return ret;
+
+ return bcm2835_power_pd_power_on(&pd->base);
+}
+
+static int bcm2835_reset_status(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ struct bcm2835_power *power = container_of(rcdev, struct bcm2835_power,
+ reset);
+
+ switch (id) {
+ case BCM2835_RESET_V3D:
+ return !PM_READ(PM_GRAFX & PM_V3DRSTN);
+ case BCM2835_RESET_H264:
+ return !PM_READ(PM_IMAGE & PM_H264RSTN);
+ case BCM2835_RESET_ISP:
+ return !PM_READ(PM_IMAGE & PM_ISPRSTN);
+ default:
+ return -EINVAL;
+ }
+}
+
+static const struct reset_control_ops bcm2835_reset_ops = {
+ .reset = bcm2835_reset_reset,
+ .status = bcm2835_reset_status,
+};
+
+static const char *const power_domain_names[] = {
+ [BCM2835_POWER_DOMAIN_GRAFX] = "grafx",
+ [BCM2835_POWER_DOMAIN_GRAFX_V3D] = "v3d",
+
+ [BCM2835_POWER_DOMAIN_IMAGE] = "image",
+ [BCM2835_POWER_DOMAIN_IMAGE_PERI] = "peri_image",
+ [BCM2835_POWER_DOMAIN_IMAGE_H264] = "h264",
+ [BCM2835_POWER_DOMAIN_IMAGE_ISP] = "isp",
+
+ [BCM2835_POWER_DOMAIN_USB] = "usb",
+ [BCM2835_POWER_DOMAIN_DSI0] = "dsi0",
+ [BCM2835_POWER_DOMAIN_DSI1] = "dsi1",
+ [BCM2835_POWER_DOMAIN_CAM0] = "cam0",
+ [BCM2835_POWER_DOMAIN_CAM1] = "cam1",
+ [BCM2835_POWER_DOMAIN_CCP2TX] = "ccp2tx",
+ [BCM2835_POWER_DOMAIN_HDMI] = "hdmi",
+};
+
+static int bcm2835_power_probe(struct platform_device *pdev)
+{
+ struct bcm2835_pm *pm = dev_get_drvdata(pdev->dev.parent);
+ struct device *dev = &pdev->dev;
+ struct bcm2835_power *power;
+ static const struct {
+ int parent, child;
+ } domain_deps[] = {
+ { BCM2835_POWER_DOMAIN_GRAFX, BCM2835_POWER_DOMAIN_GRAFX_V3D },
+ { BCM2835_POWER_DOMAIN_IMAGE, BCM2835_POWER_DOMAIN_IMAGE_PERI },
+ { BCM2835_POWER_DOMAIN_IMAGE, BCM2835_POWER_DOMAIN_IMAGE_H264 },
+ { BCM2835_POWER_DOMAIN_IMAGE, BCM2835_POWER_DOMAIN_IMAGE_ISP },
+ { BCM2835_POWER_DOMAIN_IMAGE_PERI, BCM2835_POWER_DOMAIN_USB },
+ { BCM2835_POWER_DOMAIN_IMAGE_PERI, BCM2835_POWER_DOMAIN_CAM0 },
+ { BCM2835_POWER_DOMAIN_IMAGE_PERI, BCM2835_POWER_DOMAIN_CAM1 },
+ };
+ int ret = 0, i;
+ u32 id;
+
+ power = devm_kzalloc(dev, sizeof(*power), GFP_KERNEL);
+ if (!power)
+ return -ENOMEM;
+ platform_set_drvdata(pdev, power);
+
+ power->dev = dev;
+ power->base = pm->base;
+ power->asb = pm->asb;
+ power->rpivid_asb = pm->rpivid_asb;
+
+ id = readl(power->asb + ASB_AXI_BRDG_ID);
+ if (id != BCM2835_BRDG_ID /* "BRDG" */) {
+ dev_err(dev, "ASB register ID returned 0x%08x\n", id);
+ return -ENODEV;
+ }
+
+ if (power->rpivid_asb) {
+ id = readl(power->rpivid_asb + ASB_AXI_BRDG_ID);
+ if (id != BCM2835_BRDG_ID /* "BRDG" */) {
+ dev_err(dev, "RPiVid ASB register ID returned 0x%08x\n",
+ id);
+ return -ENODEV;
+ }
+ }
+
+ power->pd_xlate.domains = devm_kcalloc(dev,
+ ARRAY_SIZE(power_domain_names),
+ sizeof(*power->pd_xlate.domains),
+ GFP_KERNEL);
+ if (!power->pd_xlate.domains)
+ return -ENOMEM;
+
+ power->pd_xlate.num_domains = ARRAY_SIZE(power_domain_names);
+
+ for (i = 0; i < ARRAY_SIZE(power_domain_names); i++) {
+ ret = bcm2835_init_power_domain(power, i, power_domain_names[i]);
+ if (ret)
+ goto fail;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(domain_deps); i++) {
+ pm_genpd_add_subdomain(&power->domains[domain_deps[i].parent].base,
+ &power->domains[domain_deps[i].child].base);
+ }
+
+ power->reset.owner = THIS_MODULE;
+ power->reset.nr_resets = BCM2835_RESET_COUNT;
+ power->reset.ops = &bcm2835_reset_ops;
+ power->reset.of_node = dev->parent->of_node;
+
+ ret = devm_reset_controller_register(dev, &power->reset);
+ if (ret)
+ goto fail;
+
+ of_genpd_add_provider_onecell(dev->parent->of_node, &power->pd_xlate);
+
+ dev_info(dev, "Broadcom BCM2835 power domains driver");
+ return 0;
+
+fail:
+ for (i = 0; i < ARRAY_SIZE(power_domain_names); i++) {
+ struct generic_pm_domain *dom = &power->domains[i].base;
+
+ if (dom->name)
+ pm_genpd_remove(dom);
+ }
+ return ret;
+}
+
+static struct platform_driver bcm2835_power_driver = {
+ .probe = bcm2835_power_probe,
+ .driver = {
+ .name = "bcm2835-power",
+ },
+};
+module_platform_driver(bcm2835_power_driver);
+
+MODULE_AUTHOR("Eric Anholt <eric@anholt.net>");
+MODULE_DESCRIPTION("Driver for Broadcom BCM2835 PM power domains and reset");
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * BCM63xx Power Domain Controller Driver
+ *
+ * Copyright (C) 2020 Álvaro Fernández Rojas <noltari@gmail.com>
+ */
+
+#include <dt-bindings/soc/bcm6318-pm.h>
+#include <dt-bindings/soc/bcm6328-pm.h>
+#include <dt-bindings/soc/bcm6362-pm.h>
+#include <dt-bindings/soc/bcm63268-pm.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/of.h>
+
+struct bcm63xx_power_dev {
+ struct generic_pm_domain genpd;
+ struct bcm63xx_power *power;
+ uint32_t mask;
+};
+
+struct bcm63xx_power {
+ void __iomem *base;
+ spinlock_t lock;
+ struct bcm63xx_power_dev *dev;
+ struct genpd_onecell_data genpd_data;
+ struct generic_pm_domain **genpd;
+};
+
+struct bcm63xx_power_data {
+ const char * const name;
+ uint8_t bit;
+ unsigned int flags;
+};
+
+static int bcm63xx_power_get_state(struct bcm63xx_power_dev *pmd, bool *is_on)
+{
+ struct bcm63xx_power *power = pmd->power;
+
+ if (!pmd->mask) {
+ *is_on = false;
+ return -EINVAL;
+ }
+
+ *is_on = !(__raw_readl(power->base) & pmd->mask);
+
+ return 0;
+}
+
+static int bcm63xx_power_set_state(struct bcm63xx_power_dev *pmd, bool on)
+{
+ struct bcm63xx_power *power = pmd->power;
+ unsigned long flags;
+ uint32_t val;
+
+ if (!pmd->mask)
+ return -EINVAL;
+
+ spin_lock_irqsave(&power->lock, flags);
+ val = __raw_readl(power->base);
+ if (on)
+ val &= ~pmd->mask;
+ else
+ val |= pmd->mask;
+ __raw_writel(val, power->base);
+ spin_unlock_irqrestore(&power->lock, flags);
+
+ return 0;
+}
+
+static int bcm63xx_power_on(struct generic_pm_domain *genpd)
+{
+ struct bcm63xx_power_dev *pmd = container_of(genpd,
+ struct bcm63xx_power_dev, genpd);
+
+ return bcm63xx_power_set_state(pmd, true);
+}
+
+static int bcm63xx_power_off(struct generic_pm_domain *genpd)
+{
+ struct bcm63xx_power_dev *pmd = container_of(genpd,
+ struct bcm63xx_power_dev, genpd);
+
+ return bcm63xx_power_set_state(pmd, false);
+}
+
+static int bcm63xx_power_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ const struct bcm63xx_power_data *entry, *table;
+ struct bcm63xx_power *power;
+ unsigned int ndom;
+ uint8_t max_bit = 0;
+ int ret;
+
+ power = devm_kzalloc(dev, sizeof(*power), GFP_KERNEL);
+ if (!power)
+ return -ENOMEM;
+
+ power->base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(power->base))
+ return PTR_ERR(power->base);
+
+ table = of_device_get_match_data(dev);
+ if (!table)
+ return -EINVAL;
+
+ power->genpd_data.num_domains = 0;
+ ndom = 0;
+ for (entry = table; entry->name; entry++) {
+ max_bit = max(max_bit, entry->bit);
+ ndom++;
+ }
+
+ if (!ndom)
+ return -ENODEV;
+
+ power->genpd_data.num_domains = max_bit + 1;
+
+ power->dev = devm_kcalloc(dev, power->genpd_data.num_domains,
+ sizeof(struct bcm63xx_power_dev),
+ GFP_KERNEL);
+ if (!power->dev)
+ return -ENOMEM;
+
+ power->genpd = devm_kcalloc(dev, power->genpd_data.num_domains,
+ sizeof(struct generic_pm_domain *),
+ GFP_KERNEL);
+ if (!power->genpd)
+ return -ENOMEM;
+
+ power->genpd_data.domains = power->genpd;
+
+ ndom = 0;
+ for (entry = table; entry->name; entry++) {
+ struct bcm63xx_power_dev *pmd = &power->dev[ndom];
+ bool is_on;
+
+ pmd->power = power;
+ pmd->mask = BIT(entry->bit);
+ pmd->genpd.name = entry->name;
+ pmd->genpd.flags = entry->flags;
+
+ ret = bcm63xx_power_get_state(pmd, &is_on);
+ if (ret)
+ dev_warn(dev, "unable to get current state for %s\n",
+ pmd->genpd.name);
+
+ pmd->genpd.power_on = bcm63xx_power_on;
+ pmd->genpd.power_off = bcm63xx_power_off;
+
+ pm_genpd_init(&pmd->genpd, NULL, !is_on);
+ power->genpd[entry->bit] = &pmd->genpd;
+
+ ndom++;
+ }
+
+ spin_lock_init(&power->lock);
+
+ ret = of_genpd_add_provider_onecell(np, &power->genpd_data);
+ if (ret) {
+ dev_err(dev, "failed to register genpd driver: %d\n", ret);
+ return ret;
+ }
+
+ dev_info(dev, "registered %u power domains\n", ndom);
+
+ return 0;
+}
+
+static const struct bcm63xx_power_data bcm6318_power_domains[] = {
+ {
+ .name = "pcie",
+ .bit = BCM6318_POWER_DOMAIN_PCIE,
+ }, {
+ .name = "usb",
+ .bit = BCM6318_POWER_DOMAIN_USB,
+ }, {
+ .name = "ephy0",
+ .bit = BCM6318_POWER_DOMAIN_EPHY0,
+ }, {
+ .name = "ephy1",
+ .bit = BCM6318_POWER_DOMAIN_EPHY1,
+ }, {
+ .name = "ephy2",
+ .bit = BCM6318_POWER_DOMAIN_EPHY2,
+ }, {
+ .name = "ephy3",
+ .bit = BCM6318_POWER_DOMAIN_EPHY3,
+ }, {
+ .name = "ldo2p5",
+ .bit = BCM6318_POWER_DOMAIN_LDO2P5,
+ .flags = GENPD_FLAG_ALWAYS_ON,
+ }, {
+ .name = "ldo2p9",
+ .bit = BCM6318_POWER_DOMAIN_LDO2P9,
+ .flags = GENPD_FLAG_ALWAYS_ON,
+ }, {
+ .name = "sw1p0",
+ .bit = BCM6318_POWER_DOMAIN_SW1P0,
+ .flags = GENPD_FLAG_ALWAYS_ON,
+ }, {
+ .name = "pad",
+ .bit = BCM6318_POWER_DOMAIN_PAD,
+ .flags = GENPD_FLAG_ALWAYS_ON,
+ }, {
+ /* sentinel */
+ },
+};
+
+static const struct bcm63xx_power_data bcm6328_power_domains[] = {
+ {
+ .name = "adsl2-mips",
+ .bit = BCM6328_POWER_DOMAIN_ADSL2_MIPS,
+ }, {
+ .name = "adsl2-phy",
+ .bit = BCM6328_POWER_DOMAIN_ADSL2_PHY,
+ }, {
+ .name = "adsl2-afe",
+ .bit = BCM6328_POWER_DOMAIN_ADSL2_AFE,
+ }, {
+ .name = "sar",
+ .bit = BCM6328_POWER_DOMAIN_SAR,
+ }, {
+ .name = "pcm",
+ .bit = BCM6328_POWER_DOMAIN_PCM,
+ }, {
+ .name = "usbd",
+ .bit = BCM6328_POWER_DOMAIN_USBD,
+ }, {
+ .name = "usbh",
+ .bit = BCM6328_POWER_DOMAIN_USBH,
+ }, {
+ .name = "pcie",
+ .bit = BCM6328_POWER_DOMAIN_PCIE,
+ }, {
+ .name = "robosw",
+ .bit = BCM6328_POWER_DOMAIN_ROBOSW,
+ }, {
+ .name = "ephy",
+ .bit = BCM6328_POWER_DOMAIN_EPHY,
+ }, {
+ /* sentinel */
+ },
+};
+
+static const struct bcm63xx_power_data bcm6362_power_domains[] = {
+ {
+ .name = "sar",
+ .bit = BCM6362_POWER_DOMAIN_SAR,
+ }, {
+ .name = "ipsec",
+ .bit = BCM6362_POWER_DOMAIN_IPSEC,
+ }, {
+ .name = "mips",
+ .bit = BCM6362_POWER_DOMAIN_MIPS,
+ .flags = GENPD_FLAG_ALWAYS_ON,
+ }, {
+ .name = "dect",
+ .bit = BCM6362_POWER_DOMAIN_DECT,
+ }, {
+ .name = "usbh",
+ .bit = BCM6362_POWER_DOMAIN_USBH,
+ }, {
+ .name = "usbd",
+ .bit = BCM6362_POWER_DOMAIN_USBD,
+ }, {
+ .name = "robosw",
+ .bit = BCM6362_POWER_DOMAIN_ROBOSW,
+ }, {
+ .name = "pcm",
+ .bit = BCM6362_POWER_DOMAIN_PCM,
+ }, {
+ .name = "periph",
+ .bit = BCM6362_POWER_DOMAIN_PERIPH,
+ .flags = GENPD_FLAG_ALWAYS_ON,
+ }, {
+ .name = "adsl-phy",
+ .bit = BCM6362_POWER_DOMAIN_ADSL_PHY,
+ }, {
+ .name = "gmii-pads",
+ .bit = BCM6362_POWER_DOMAIN_GMII_PADS,
+ }, {
+ .name = "fap",
+ .bit = BCM6362_POWER_DOMAIN_FAP,
+ }, {
+ .name = "pcie",
+ .bit = BCM6362_POWER_DOMAIN_PCIE,
+ }, {
+ .name = "wlan-pads",
+ .bit = BCM6362_POWER_DOMAIN_WLAN_PADS,
+ }, {
+ /* sentinel */
+ },
+};
+
+static const struct bcm63xx_power_data bcm63268_power_domains[] = {
+ {
+ .name = "sar",
+ .bit = BCM63268_POWER_DOMAIN_SAR,
+ }, {
+ .name = "ipsec",
+ .bit = BCM63268_POWER_DOMAIN_IPSEC,
+ }, {
+ .name = "mips",
+ .bit = BCM63268_POWER_DOMAIN_MIPS,
+ .flags = GENPD_FLAG_ALWAYS_ON,
+ }, {
+ .name = "dect",
+ .bit = BCM63268_POWER_DOMAIN_DECT,
+ }, {
+ .name = "usbh",
+ .bit = BCM63268_POWER_DOMAIN_USBH,
+ }, {
+ .name = "usbd",
+ .bit = BCM63268_POWER_DOMAIN_USBD,
+ }, {
+ .name = "robosw",
+ .bit = BCM63268_POWER_DOMAIN_ROBOSW,
+ }, {
+ .name = "pcm",
+ .bit = BCM63268_POWER_DOMAIN_PCM,
+ }, {
+ .name = "periph",
+ .bit = BCM63268_POWER_DOMAIN_PERIPH,
+ .flags = GENPD_FLAG_ALWAYS_ON,
+ }, {
+ .name = "vdsl-phy",
+ .bit = BCM63268_POWER_DOMAIN_VDSL_PHY,
+ }, {
+ .name = "vdsl-mips",
+ .bit = BCM63268_POWER_DOMAIN_VDSL_MIPS,
+ }, {
+ .name = "fap",
+ .bit = BCM63268_POWER_DOMAIN_FAP,
+ }, {
+ .name = "pcie",
+ .bit = BCM63268_POWER_DOMAIN_PCIE,
+ }, {
+ .name = "wlan-pads",
+ .bit = BCM63268_POWER_DOMAIN_WLAN_PADS,
+ }, {
+ /* sentinel */
+ },
+};
+
+static const struct of_device_id bcm63xx_power_of_match[] = {
+ {
+ .compatible = "brcm,bcm6318-power-controller",
+ .data = &bcm6318_power_domains,
+ }, {
+ .compatible = "brcm,bcm6328-power-controller",
+ .data = &bcm6328_power_domains,
+ }, {
+ .compatible = "brcm,bcm6362-power-controller",
+ .data = &bcm6362_power_domains,
+ }, {
+ .compatible = "brcm,bcm63268-power-controller",
+ .data = &bcm63268_power_domains,
+ }, {
+ /* sentinel */
+ }
+};
+
+static struct platform_driver bcm63xx_power_driver = {
+ .driver = {
+ .name = "bcm63xx-power-controller",
+ .of_match_table = bcm63xx_power_of_match,
+ },
+ .probe = bcm63xx_power_probe,
+};
+builtin_platform_driver(bcm63xx_power_driver);
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/* (C) 2015 Pengutronix, Alexander Aring <aar@pengutronix.de>
+ *
+ * Authors:
+ * Alexander Aring <aar@pengutronix.de>
+ * Eric Anholt <eric@anholt.net>
+ */
+
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <dt-bindings/power/raspberrypi-power.h>
+#include <soc/bcm2835/raspberrypi-firmware.h>
+
+/*
+ * Firmware indices for the old power domains interface. Only a few
+ * of them were actually implemented.
+ */
+#define RPI_OLD_POWER_DOMAIN_USB 3
+#define RPI_OLD_POWER_DOMAIN_V3D 10
+
+struct rpi_power_domain {
+ u32 domain;
+ bool enabled;
+ bool old_interface;
+ struct generic_pm_domain base;
+ struct rpi_firmware *fw;
+};
+
+struct rpi_power_domains {
+ bool has_new_interface;
+ struct genpd_onecell_data xlate;
+ struct rpi_firmware *fw;
+ struct rpi_power_domain domains[RPI_POWER_DOMAIN_COUNT];
+};
+
+/*
+ * Packet definition used by RPI_FIRMWARE_SET_POWER_STATE and
+ * RPI_FIRMWARE_SET_DOMAIN_STATE
+ */
+struct rpi_power_domain_packet {
+ u32 domain;
+ u32 on;
+};
+
+/*
+ * Asks the firmware to enable or disable power on a specific power
+ * domain.
+ */
+static int rpi_firmware_set_power(struct rpi_power_domain *rpi_domain, bool on)
+{
+ struct rpi_power_domain_packet packet;
+
+ packet.domain = rpi_domain->domain;
+ packet.on = on;
+ return rpi_firmware_property(rpi_domain->fw,
+ rpi_domain->old_interface ?
+ RPI_FIRMWARE_SET_POWER_STATE :
+ RPI_FIRMWARE_SET_DOMAIN_STATE,
+ &packet, sizeof(packet));
+}
+
+static int rpi_domain_off(struct generic_pm_domain *domain)
+{
+ struct rpi_power_domain *rpi_domain =
+ container_of(domain, struct rpi_power_domain, base);
+
+ return rpi_firmware_set_power(rpi_domain, false);
+}
+
+static int rpi_domain_on(struct generic_pm_domain *domain)
+{
+ struct rpi_power_domain *rpi_domain =
+ container_of(domain, struct rpi_power_domain, base);
+
+ return rpi_firmware_set_power(rpi_domain, true);
+}
+
+static void rpi_common_init_power_domain(struct rpi_power_domains *rpi_domains,
+ int xlate_index, const char *name)
+{
+ struct rpi_power_domain *dom = &rpi_domains->domains[xlate_index];
+
+ dom->fw = rpi_domains->fw;
+
+ dom->base.name = name;
+ dom->base.power_on = rpi_domain_on;
+ dom->base.power_off = rpi_domain_off;
+
+ /*
+ * Treat all power domains as off at boot.
+ *
+ * The firmware itself may be keeping some domains on, but
+ * from Linux's perspective all we control is the refcounts
+ * that we give to the firmware, and we can't ask the firmware
+ * to turn off something that we haven't ourselves turned on.
+ */
+ pm_genpd_init(&dom->base, NULL, true);
+
+ rpi_domains->xlate.domains[xlate_index] = &dom->base;
+}
+
+static void rpi_init_power_domain(struct rpi_power_domains *rpi_domains,
+ int xlate_index, const char *name)
+{
+ struct rpi_power_domain *dom = &rpi_domains->domains[xlate_index];
+
+ if (!rpi_domains->has_new_interface)
+ return;
+
+ /* The DT binding index is the firmware's domain index minus one. */
+ dom->domain = xlate_index + 1;
+
+ rpi_common_init_power_domain(rpi_domains, xlate_index, name);
+}
+
+static void rpi_init_old_power_domain(struct rpi_power_domains *rpi_domains,
+ int xlate_index, int domain,
+ const char *name)
+{
+ struct rpi_power_domain *dom = &rpi_domains->domains[xlate_index];
+
+ dom->old_interface = true;
+ dom->domain = domain;
+
+ rpi_common_init_power_domain(rpi_domains, xlate_index, name);
+}
+
+/*
+ * Detects whether the firmware supports the new power domains interface.
+ *
+ * The firmware doesn't actually return an error on an unknown tag,
+ * and just skips over it, so we do the detection by putting an
+ * unexpected value in the return field and checking if it was
+ * unchanged.
+ */
+static bool
+rpi_has_new_domain_support(struct rpi_power_domains *rpi_domains)
+{
+ struct rpi_power_domain_packet packet;
+ int ret;
+
+ packet.domain = RPI_POWER_DOMAIN_ARM;
+ packet.on = ~0;
+
+ ret = rpi_firmware_property(rpi_domains->fw,
+ RPI_FIRMWARE_GET_DOMAIN_STATE,
+ &packet, sizeof(packet));
+
+ return ret == 0 && packet.on != ~0;
+}
+
+static int rpi_power_probe(struct platform_device *pdev)
+{
+ struct device_node *fw_np;
+ struct device *dev = &pdev->dev;
+ struct rpi_power_domains *rpi_domains;
+
+ rpi_domains = devm_kzalloc(dev, sizeof(*rpi_domains), GFP_KERNEL);
+ if (!rpi_domains)
+ return -ENOMEM;
+
+ rpi_domains->xlate.domains =
+ devm_kcalloc(dev,
+ RPI_POWER_DOMAIN_COUNT,
+ sizeof(*rpi_domains->xlate.domains),
+ GFP_KERNEL);
+ if (!rpi_domains->xlate.domains)
+ return -ENOMEM;
+
+ rpi_domains->xlate.num_domains = RPI_POWER_DOMAIN_COUNT;
+
+ fw_np = of_parse_phandle(pdev->dev.of_node, "firmware", 0);
+ if (!fw_np) {
+ dev_err(&pdev->dev, "no firmware node\n");
+ return -ENODEV;
+ }
+
+ rpi_domains->fw = devm_rpi_firmware_get(&pdev->dev, fw_np);
+ of_node_put(fw_np);
+ if (!rpi_domains->fw)
+ return -EPROBE_DEFER;
+
+ rpi_domains->has_new_interface =
+ rpi_has_new_domain_support(rpi_domains);
+
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_I2C0, "I2C0");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_I2C1, "I2C1");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_I2C2, "I2C2");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_VIDEO_SCALER,
+ "VIDEO_SCALER");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_VPU1, "VPU1");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_HDMI, "HDMI");
+
+ /*
+ * Use the old firmware interface for USB power, so that we
+ * can turn it on even if the firmware hasn't been updated.
+ */
+ rpi_init_old_power_domain(rpi_domains, RPI_POWER_DOMAIN_USB,
+ RPI_OLD_POWER_DOMAIN_USB, "USB");
+
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_VEC, "VEC");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_JPEG, "JPEG");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_H264, "H264");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_V3D, "V3D");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_ISP, "ISP");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_UNICAM0, "UNICAM0");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_UNICAM1, "UNICAM1");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_CCP2RX, "CCP2RX");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_CSI2, "CSI2");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_CPI, "CPI");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_DSI0, "DSI0");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_DSI1, "DSI1");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_TRANSPOSER,
+ "TRANSPOSER");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_CCP2TX, "CCP2TX");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_CDP, "CDP");
+ rpi_init_power_domain(rpi_domains, RPI_POWER_DOMAIN_ARM, "ARM");
+
+ of_genpd_add_provider_onecell(dev->of_node, &rpi_domains->xlate);
+
+ platform_set_drvdata(pdev, rpi_domains);
+
+ return 0;
+}
+
+static const struct of_device_id rpi_power_of_match[] = {
+ { .compatible = "raspberrypi,bcm2835-power", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, rpi_power_of_match);
+
+static struct platform_driver rpi_power_driver = {
+ .driver = {
+ .name = "raspberrypi-power",
+ .of_match_table = rpi_power_of_match,
+ },
+ .probe = rpi_power_probe,
+};
+builtin_platform_driver(rpi_power_driver);
+
+MODULE_AUTHOR("Alexander Aring <aar@pengutronix.de>");
+MODULE_AUTHOR("Eric Anholt <eric@anholt.net>");
+MODULE_DESCRIPTION("Raspberry Pi power domain driver");
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_HAVE_IMX_GPC) += gpc.o
+obj-$(CONFIG_IMX_GPCV2_PM_DOMAINS) += gpcv2.o
+obj-$(CONFIG_IMX_SCU_PD) += scu-pd.o
+obj-$(CONFIG_IMX8M_BLK_CTRL) += imx8m-blk-ctrl.o
+obj-$(CONFIG_IMX8M_BLK_CTRL) += imx8mp-blk-ctrl.o
+obj-$(CONFIG_SOC_IMX9) += imx93-pd.o
+obj-$(CONFIG_IMX9_BLK_CTRL) += imx93-blk-ctrl.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2015-2017 Pengutronix, Lucas Stach <kernel@pengutronix.de>
+ * Copyright 2011-2013 Freescale Semiconductor, Inc.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+
+#define GPC_CNTR 0x000
+
+#define GPC_PGC_CTRL_OFFS 0x0
+#define GPC_PGC_PUPSCR_OFFS 0x4
+#define GPC_PGC_PDNSCR_OFFS 0x8
+#define GPC_PGC_SW2ISO_SHIFT 0x8
+#define GPC_PGC_SW_SHIFT 0x0
+
+#define GPC_PGC_PCI_PDN 0x200
+#define GPC_PGC_PCI_SR 0x20c
+
+#define GPC_PGC_GPU_PDN 0x260
+#define GPC_PGC_GPU_PUPSCR 0x264
+#define GPC_PGC_GPU_PDNSCR 0x268
+#define GPC_PGC_GPU_SR 0x26c
+
+#define GPC_PGC_DISP_PDN 0x240
+#define GPC_PGC_DISP_SR 0x24c
+
+#define GPU_VPU_PUP_REQ BIT(1)
+#define GPU_VPU_PDN_REQ BIT(0)
+
+#define GPC_CLK_MAX 7
+
+#define PGC_DOMAIN_FLAG_NO_PD BIT(0)
+
+struct imx_pm_domain {
+ struct generic_pm_domain base;
+ struct regmap *regmap;
+ struct regulator *supply;
+ struct clk *clk[GPC_CLK_MAX];
+ int num_clks;
+ unsigned int reg_offs;
+ signed char cntr_pdn_bit;
+ unsigned int ipg_rate_mhz;
+};
+
+static inline struct imx_pm_domain *
+to_imx_pm_domain(struct generic_pm_domain *genpd)
+{
+ return container_of(genpd, struct imx_pm_domain, base);
+}
+
+static int imx6_pm_domain_power_off(struct generic_pm_domain *genpd)
+{
+ struct imx_pm_domain *pd = to_imx_pm_domain(genpd);
+ int iso, iso2sw;
+ u32 val;
+
+ /* Read ISO and ISO2SW power down delays */
+ regmap_read(pd->regmap, pd->reg_offs + GPC_PGC_PDNSCR_OFFS, &val);
+ iso = val & 0x3f;
+ iso2sw = (val >> 8) & 0x3f;
+
+ /* Gate off domain when powered down */
+ regmap_update_bits(pd->regmap, pd->reg_offs + GPC_PGC_CTRL_OFFS,
+ 0x1, 0x1);
+
+ /* Request GPC to power down domain */
+ val = BIT(pd->cntr_pdn_bit);
+ regmap_update_bits(pd->regmap, GPC_CNTR, val, val);
+
+ /* Wait ISO + ISO2SW IPG clock cycles */
+ udelay(DIV_ROUND_UP(iso + iso2sw, pd->ipg_rate_mhz));
+
+ if (pd->supply)
+ regulator_disable(pd->supply);
+
+ return 0;
+}
+
+static int imx6_pm_domain_power_on(struct generic_pm_domain *genpd)
+{
+ struct imx_pm_domain *pd = to_imx_pm_domain(genpd);
+ int i, ret;
+ u32 val, req;
+
+ if (pd->supply) {
+ ret = regulator_enable(pd->supply);
+ if (ret) {
+ pr_err("%s: failed to enable regulator: %d\n",
+ __func__, ret);
+ return ret;
+ }
+ }
+
+ /* Enable reset clocks for all devices in the domain */
+ for (i = 0; i < pd->num_clks; i++)
+ clk_prepare_enable(pd->clk[i]);
+
+ /* Gate off domain when powered down */
+ regmap_update_bits(pd->regmap, pd->reg_offs + GPC_PGC_CTRL_OFFS,
+ 0x1, 0x1);
+
+ /* Request GPC to power up domain */
+ req = BIT(pd->cntr_pdn_bit + 1);
+ regmap_update_bits(pd->regmap, GPC_CNTR, req, req);
+
+ /* Wait for the PGC to handle the request */
+ ret = regmap_read_poll_timeout(pd->regmap, GPC_CNTR, val, !(val & req),
+ 1, 50);
+ if (ret)
+ pr_err("powerup request on domain %s timed out\n", genpd->name);
+
+ /* Wait for reset to propagate through peripherals */
+ usleep_range(5, 10);
+
+ /* Disable reset clocks for all devices in the domain */
+ for (i = 0; i < pd->num_clks; i++)
+ clk_disable_unprepare(pd->clk[i]);
+
+ return 0;
+}
+
+static int imx_pgc_get_clocks(struct device *dev, struct imx_pm_domain *domain)
+{
+ int i, ret;
+
+ for (i = 0; ; i++) {
+ struct clk *clk = of_clk_get(dev->of_node, i);
+ if (IS_ERR(clk))
+ break;
+ if (i >= GPC_CLK_MAX) {
+ dev_err(dev, "more than %d clocks\n", GPC_CLK_MAX);
+ ret = -EINVAL;
+ goto clk_err;
+ }
+ domain->clk[i] = clk;
+ }
+ domain->num_clks = i;
+
+ return 0;
+
+clk_err:
+ while (i--)
+ clk_put(domain->clk[i]);
+
+ return ret;
+}
+
+static void imx_pgc_put_clocks(struct imx_pm_domain *domain)
+{
+ int i;
+
+ for (i = domain->num_clks - 1; i >= 0; i--)
+ clk_put(domain->clk[i]);
+}
+
+static int imx_pgc_parse_dt(struct device *dev, struct imx_pm_domain *domain)
+{
+ /* try to get the domain supply regulator */
+ domain->supply = devm_regulator_get_optional(dev, "power");
+ if (IS_ERR(domain->supply)) {
+ if (PTR_ERR(domain->supply) == -ENODEV)
+ domain->supply = NULL;
+ else
+ return PTR_ERR(domain->supply);
+ }
+
+ /* try to get all clocks needed for reset propagation */
+ return imx_pgc_get_clocks(dev, domain);
+}
+
+static int imx_pgc_power_domain_probe(struct platform_device *pdev)
+{
+ struct imx_pm_domain *domain = pdev->dev.platform_data;
+ struct device *dev = &pdev->dev;
+ int ret;
+
+ /* if this PD is associated with a DT node try to parse it */
+ if (dev->of_node) {
+ ret = imx_pgc_parse_dt(dev, domain);
+ if (ret)
+ return ret;
+ }
+
+ /* initially power on the domain */
+ if (domain->base.power_on)
+ domain->base.power_on(&domain->base);
+
+ if (IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS)) {
+ pm_genpd_init(&domain->base, NULL, false);
+ ret = of_genpd_add_provider_simple(dev->of_node, &domain->base);
+ if (ret)
+ goto genpd_err;
+ }
+
+ device_link_add(dev, dev->parent, DL_FLAG_AUTOREMOVE_CONSUMER);
+
+ return 0;
+
+genpd_err:
+ pm_genpd_remove(&domain->base);
+ imx_pgc_put_clocks(domain);
+
+ return ret;
+}
+
+static int imx_pgc_power_domain_remove(struct platform_device *pdev)
+{
+ struct imx_pm_domain *domain = pdev->dev.platform_data;
+
+ if (IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS)) {
+ of_genpd_del_provider(pdev->dev.of_node);
+ pm_genpd_remove(&domain->base);
+ imx_pgc_put_clocks(domain);
+ }
+
+ return 0;
+}
+
+static const struct platform_device_id imx_pgc_power_domain_id[] = {
+ { "imx-pgc-power-domain"},
+ { },
+};
+
+static struct platform_driver imx_pgc_power_domain_driver = {
+ .driver = {
+ .name = "imx-pgc-pd",
+ },
+ .probe = imx_pgc_power_domain_probe,
+ .remove = imx_pgc_power_domain_remove,
+ .id_table = imx_pgc_power_domain_id,
+};
+builtin_platform_driver(imx_pgc_power_domain_driver)
+
+#define GPC_PGC_DOMAIN_ARM 0
+#define GPC_PGC_DOMAIN_PU 1
+#define GPC_PGC_DOMAIN_DISPLAY 2
+#define GPC_PGC_DOMAIN_PCI 3
+
+static struct genpd_power_state imx6_pm_domain_pu_state = {
+ .power_off_latency_ns = 25000,
+ .power_on_latency_ns = 2000000,
+};
+
+static struct imx_pm_domain imx_gpc_domains[] = {
+ [GPC_PGC_DOMAIN_ARM] = {
+ .base = {
+ .name = "ARM",
+ .flags = GENPD_FLAG_ALWAYS_ON,
+ },
+ },
+ [GPC_PGC_DOMAIN_PU] = {
+ .base = {
+ .name = "PU",
+ .power_off = imx6_pm_domain_power_off,
+ .power_on = imx6_pm_domain_power_on,
+ .states = &imx6_pm_domain_pu_state,
+ .state_count = 1,
+ },
+ .reg_offs = 0x260,
+ .cntr_pdn_bit = 0,
+ },
+ [GPC_PGC_DOMAIN_DISPLAY] = {
+ .base = {
+ .name = "DISPLAY",
+ .power_off = imx6_pm_domain_power_off,
+ .power_on = imx6_pm_domain_power_on,
+ },
+ .reg_offs = 0x240,
+ .cntr_pdn_bit = 4,
+ },
+ [GPC_PGC_DOMAIN_PCI] = {
+ .base = {
+ .name = "PCI",
+ .power_off = imx6_pm_domain_power_off,
+ .power_on = imx6_pm_domain_power_on,
+ },
+ .reg_offs = 0x200,
+ .cntr_pdn_bit = 6,
+ },
+};
+
+struct imx_gpc_dt_data {
+ int num_domains;
+ bool err009619_present;
+ bool err006287_present;
+};
+
+static const struct imx_gpc_dt_data imx6q_dt_data = {
+ .num_domains = 2,
+ .err009619_present = false,
+ .err006287_present = false,
+};
+
+static const struct imx_gpc_dt_data imx6qp_dt_data = {
+ .num_domains = 2,
+ .err009619_present = true,
+ .err006287_present = false,
+};
+
+static const struct imx_gpc_dt_data imx6sl_dt_data = {
+ .num_domains = 3,
+ .err009619_present = false,
+ .err006287_present = true,
+};
+
+static const struct imx_gpc_dt_data imx6sx_dt_data = {
+ .num_domains = 4,
+ .err009619_present = false,
+ .err006287_present = false,
+};
+
+static const struct of_device_id imx_gpc_dt_ids[] = {
+ { .compatible = "fsl,imx6q-gpc", .data = &imx6q_dt_data },
+ { .compatible = "fsl,imx6qp-gpc", .data = &imx6qp_dt_data },
+ { .compatible = "fsl,imx6sl-gpc", .data = &imx6sl_dt_data },
+ { .compatible = "fsl,imx6sx-gpc", .data = &imx6sx_dt_data },
+ { }
+};
+
+static const struct regmap_range yes_ranges[] = {
+ regmap_reg_range(GPC_CNTR, GPC_CNTR),
+ regmap_reg_range(GPC_PGC_PCI_PDN, GPC_PGC_PCI_SR),
+ regmap_reg_range(GPC_PGC_GPU_PDN, GPC_PGC_GPU_SR),
+ regmap_reg_range(GPC_PGC_DISP_PDN, GPC_PGC_DISP_SR),
+};
+
+static const struct regmap_access_table access_table = {
+ .yes_ranges = yes_ranges,
+ .n_yes_ranges = ARRAY_SIZE(yes_ranges),
+};
+
+static const struct regmap_config imx_gpc_regmap_config = {
+ .reg_bits = 32,
+ .val_bits = 32,
+ .reg_stride = 4,
+ .rd_table = &access_table,
+ .wr_table = &access_table,
+ .max_register = 0x2ac,
+ .fast_io = true,
+};
+
+static struct generic_pm_domain *imx_gpc_onecell_domains[] = {
+ &imx_gpc_domains[GPC_PGC_DOMAIN_ARM].base,
+ &imx_gpc_domains[GPC_PGC_DOMAIN_PU].base,
+};
+
+static struct genpd_onecell_data imx_gpc_onecell_data = {
+ .domains = imx_gpc_onecell_domains,
+ .num_domains = 2,
+};
+
+static int imx_gpc_old_dt_init(struct device *dev, struct regmap *regmap,
+ unsigned int num_domains)
+{
+ struct imx_pm_domain *domain;
+ int i, ret;
+
+ for (i = 0; i < num_domains; i++) {
+ domain = &imx_gpc_domains[i];
+ domain->regmap = regmap;
+ domain->ipg_rate_mhz = 66;
+
+ if (i == 1) {
+ domain->supply = devm_regulator_get(dev, "pu");
+ if (IS_ERR(domain->supply))
+ return PTR_ERR(domain->supply);
+
+ ret = imx_pgc_get_clocks(dev, domain);
+ if (ret)
+ goto clk_err;
+
+ domain->base.power_on(&domain->base);
+ }
+ }
+
+ for (i = 0; i < num_domains; i++)
+ pm_genpd_init(&imx_gpc_domains[i].base, NULL, false);
+
+ if (IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS)) {
+ ret = of_genpd_add_provider_onecell(dev->of_node,
+ &imx_gpc_onecell_data);
+ if (ret)
+ goto genpd_err;
+ }
+
+ return 0;
+
+genpd_err:
+ for (i = 0; i < num_domains; i++)
+ pm_genpd_remove(&imx_gpc_domains[i].base);
+ imx_pgc_put_clocks(&imx_gpc_domains[GPC_PGC_DOMAIN_PU]);
+clk_err:
+ return ret;
+}
+
+static int imx_gpc_probe(struct platform_device *pdev)
+{
+ const struct of_device_id *of_id =
+ of_match_device(imx_gpc_dt_ids, &pdev->dev);
+ const struct imx_gpc_dt_data *of_id_data = of_id->data;
+ struct device_node *pgc_node;
+ struct regmap *regmap;
+ void __iomem *base;
+ int ret;
+
+ pgc_node = of_get_child_by_name(pdev->dev.of_node, "pgc");
+
+ /* bail out if DT too old and doesn't provide the necessary info */
+ if (!of_property_read_bool(pdev->dev.of_node, "#power-domain-cells") &&
+ !pgc_node)
+ return 0;
+
+ base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ regmap = devm_regmap_init_mmio_clk(&pdev->dev, NULL, base,
+ &imx_gpc_regmap_config);
+ if (IS_ERR(regmap)) {
+ ret = PTR_ERR(regmap);
+ dev_err(&pdev->dev, "failed to init regmap: %d\n",
+ ret);
+ return ret;
+ }
+
+ /*
+ * Disable PU power down by runtime PM if ERR009619 is present.
+ *
+ * The PRE clock will be paused for several cycles when turning on the
+ * PU domain LDO from power down state. If PRE is in use at that time,
+ * the IPU/PRG cannot get the correct display data from the PRE.
+ *
+ * This is not a concern when the whole system enters suspend state, so
+ * it's safe to power down PU in this case.
+ */
+ if (of_id_data->err009619_present)
+ imx_gpc_domains[GPC_PGC_DOMAIN_PU].base.flags |=
+ GENPD_FLAG_RPM_ALWAYS_ON;
+
+ /* Keep DISP always on if ERR006287 is present */
+ if (of_id_data->err006287_present)
+ imx_gpc_domains[GPC_PGC_DOMAIN_DISPLAY].base.flags |=
+ GENPD_FLAG_ALWAYS_ON;
+
+ if (!pgc_node) {
+ ret = imx_gpc_old_dt_init(&pdev->dev, regmap,
+ of_id_data->num_domains);
+ if (ret)
+ return ret;
+ } else {
+ struct imx_pm_domain *domain;
+ struct platform_device *pd_pdev;
+ struct device_node *np;
+ struct clk *ipg_clk;
+ unsigned int ipg_rate_mhz;
+ int domain_index;
+
+ ipg_clk = devm_clk_get(&pdev->dev, "ipg");
+ if (IS_ERR(ipg_clk))
+ return PTR_ERR(ipg_clk);
+ ipg_rate_mhz = clk_get_rate(ipg_clk) / 1000000;
+
+ for_each_child_of_node(pgc_node, np) {
+ ret = of_property_read_u32(np, "reg", &domain_index);
+ if (ret) {
+ of_node_put(np);
+ return ret;
+ }
+ if (domain_index >= of_id_data->num_domains)
+ continue;
+
+ pd_pdev = platform_device_alloc("imx-pgc-power-domain",
+ domain_index);
+ if (!pd_pdev) {
+ of_node_put(np);
+ return -ENOMEM;
+ }
+
+ ret = platform_device_add_data(pd_pdev,
+ &imx_gpc_domains[domain_index],
+ sizeof(imx_gpc_domains[domain_index]));
+ if (ret) {
+ platform_device_put(pd_pdev);
+ of_node_put(np);
+ return ret;
+ }
+ domain = pd_pdev->dev.platform_data;
+ domain->regmap = regmap;
+ domain->ipg_rate_mhz = ipg_rate_mhz;
+
+ pd_pdev->dev.parent = &pdev->dev;
+ pd_pdev->dev.of_node = np;
+
+ ret = platform_device_add(pd_pdev);
+ if (ret) {
+ platform_device_put(pd_pdev);
+ of_node_put(np);
+ return ret;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static int imx_gpc_remove(struct platform_device *pdev)
+{
+ struct device_node *pgc_node;
+ int ret;
+
+ pgc_node = of_get_child_by_name(pdev->dev.of_node, "pgc");
+
+ /* bail out if DT too old and doesn't provide the necessary info */
+ if (!of_property_read_bool(pdev->dev.of_node, "#power-domain-cells") &&
+ !pgc_node)
+ return 0;
+
+ /*
+ * If the old DT binding is used the toplevel driver needs to
+ * de-register the power domains
+ */
+ if (!pgc_node) {
+ of_genpd_del_provider(pdev->dev.of_node);
+
+ ret = pm_genpd_remove(&imx_gpc_domains[GPC_PGC_DOMAIN_PU].base);
+ if (ret)
+ return ret;
+ imx_pgc_put_clocks(&imx_gpc_domains[GPC_PGC_DOMAIN_PU]);
+
+ ret = pm_genpd_remove(&imx_gpc_domains[GPC_PGC_DOMAIN_ARM].base);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static struct platform_driver imx_gpc_driver = {
+ .driver = {
+ .name = "imx-gpc",
+ .of_match_table = imx_gpc_dt_ids,
+ },
+ .probe = imx_gpc_probe,
+ .remove = imx_gpc_remove,
+};
+builtin_platform_driver(imx_gpc_driver)
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2017 Impinj, Inc
+ * Author: Andrey Smirnov <andrew.smirnov@gmail.com>
+ *
+ * Based on the code of analogus driver:
+ *
+ * Copyright 2015-2017 Pengutronix, Lucas Stach <kernel@pengutronix.de>
+ */
+
+#include <linux/clk.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/reset.h>
+#include <linux/sizes.h>
+#include <dt-bindings/power/imx7-power.h>
+#include <dt-bindings/power/imx8mq-power.h>
+#include <dt-bindings/power/imx8mm-power.h>
+#include <dt-bindings/power/imx8mn-power.h>
+#include <dt-bindings/power/imx8mp-power.h>
+
+#define GPC_LPCR_A_CORE_BSC 0x000
+
+#define GPC_PGC_CPU_MAPPING 0x0ec
+#define IMX8MP_GPC_PGC_CPU_MAPPING 0x1cc
+
+#define IMX7_USB_HSIC_PHY_A_CORE_DOMAIN BIT(6)
+#define IMX7_USB_OTG2_PHY_A_CORE_DOMAIN BIT(5)
+#define IMX7_USB_OTG1_PHY_A_CORE_DOMAIN BIT(4)
+#define IMX7_PCIE_PHY_A_CORE_DOMAIN BIT(3)
+#define IMX7_MIPI_PHY_A_CORE_DOMAIN BIT(2)
+
+#define IMX8M_PCIE2_A53_DOMAIN BIT(15)
+#define IMX8M_MIPI_CSI2_A53_DOMAIN BIT(14)
+#define IMX8M_MIPI_CSI1_A53_DOMAIN BIT(13)
+#define IMX8M_DISP_A53_DOMAIN BIT(12)
+#define IMX8M_HDMI_A53_DOMAIN BIT(11)
+#define IMX8M_VPU_A53_DOMAIN BIT(10)
+#define IMX8M_GPU_A53_DOMAIN BIT(9)
+#define IMX8M_DDR2_A53_DOMAIN BIT(8)
+#define IMX8M_DDR1_A53_DOMAIN BIT(7)
+#define IMX8M_OTG2_A53_DOMAIN BIT(5)
+#define IMX8M_OTG1_A53_DOMAIN BIT(4)
+#define IMX8M_PCIE1_A53_DOMAIN BIT(3)
+#define IMX8M_MIPI_A53_DOMAIN BIT(2)
+
+#define IMX8MM_VPUH1_A53_DOMAIN BIT(15)
+#define IMX8MM_VPUG2_A53_DOMAIN BIT(14)
+#define IMX8MM_VPUG1_A53_DOMAIN BIT(13)
+#define IMX8MM_DISPMIX_A53_DOMAIN BIT(12)
+#define IMX8MM_VPUMIX_A53_DOMAIN BIT(10)
+#define IMX8MM_GPUMIX_A53_DOMAIN BIT(9)
+#define IMX8MM_GPU_A53_DOMAIN (BIT(8) | BIT(11))
+#define IMX8MM_DDR1_A53_DOMAIN BIT(7)
+#define IMX8MM_OTG2_A53_DOMAIN BIT(5)
+#define IMX8MM_OTG1_A53_DOMAIN BIT(4)
+#define IMX8MM_PCIE_A53_DOMAIN BIT(3)
+#define IMX8MM_MIPI_A53_DOMAIN BIT(2)
+
+#define IMX8MN_DISPMIX_A53_DOMAIN BIT(12)
+#define IMX8MN_GPUMIX_A53_DOMAIN BIT(9)
+#define IMX8MN_DDR1_A53_DOMAIN BIT(7)
+#define IMX8MN_OTG1_A53_DOMAIN BIT(4)
+#define IMX8MN_MIPI_A53_DOMAIN BIT(2)
+
+#define IMX8MP_MEDIA_ISPDWP_A53_DOMAIN BIT(20)
+#define IMX8MP_HSIOMIX_A53_DOMAIN BIT(19)
+#define IMX8MP_MIPI_PHY2_A53_DOMAIN BIT(18)
+#define IMX8MP_HDMI_PHY_A53_DOMAIN BIT(17)
+#define IMX8MP_HDMIMIX_A53_DOMAIN BIT(16)
+#define IMX8MP_VPU_VC8000E_A53_DOMAIN BIT(15)
+#define IMX8MP_VPU_G2_A53_DOMAIN BIT(14)
+#define IMX8MP_VPU_G1_A53_DOMAIN BIT(13)
+#define IMX8MP_MEDIAMIX_A53_DOMAIN BIT(12)
+#define IMX8MP_GPU3D_A53_DOMAIN BIT(11)
+#define IMX8MP_VPUMIX_A53_DOMAIN BIT(10)
+#define IMX8MP_GPUMIX_A53_DOMAIN BIT(9)
+#define IMX8MP_GPU2D_A53_DOMAIN BIT(8)
+#define IMX8MP_AUDIOMIX_A53_DOMAIN BIT(7)
+#define IMX8MP_MLMIX_A53_DOMAIN BIT(6)
+#define IMX8MP_USB2_PHY_A53_DOMAIN BIT(5)
+#define IMX8MP_USB1_PHY_A53_DOMAIN BIT(4)
+#define IMX8MP_PCIE_PHY_A53_DOMAIN BIT(3)
+#define IMX8MP_MIPI_PHY1_A53_DOMAIN BIT(2)
+
+#define IMX8MP_GPC_PU_PGC_SW_PUP_REQ 0x0d8
+#define IMX8MP_GPC_PU_PGC_SW_PDN_REQ 0x0e4
+
+#define GPC_PU_PGC_SW_PUP_REQ 0x0f8
+#define GPC_PU_PGC_SW_PDN_REQ 0x104
+
+#define IMX7_USB_HSIC_PHY_SW_Pxx_REQ BIT(4)
+#define IMX7_USB_OTG2_PHY_SW_Pxx_REQ BIT(3)
+#define IMX7_USB_OTG1_PHY_SW_Pxx_REQ BIT(2)
+#define IMX7_PCIE_PHY_SW_Pxx_REQ BIT(1)
+#define IMX7_MIPI_PHY_SW_Pxx_REQ BIT(0)
+
+#define IMX8M_PCIE2_SW_Pxx_REQ BIT(13)
+#define IMX8M_MIPI_CSI2_SW_Pxx_REQ BIT(12)
+#define IMX8M_MIPI_CSI1_SW_Pxx_REQ BIT(11)
+#define IMX8M_DISP_SW_Pxx_REQ BIT(10)
+#define IMX8M_HDMI_SW_Pxx_REQ BIT(9)
+#define IMX8M_VPU_SW_Pxx_REQ BIT(8)
+#define IMX8M_GPU_SW_Pxx_REQ BIT(7)
+#define IMX8M_DDR2_SW_Pxx_REQ BIT(6)
+#define IMX8M_DDR1_SW_Pxx_REQ BIT(5)
+#define IMX8M_OTG2_SW_Pxx_REQ BIT(3)
+#define IMX8M_OTG1_SW_Pxx_REQ BIT(2)
+#define IMX8M_PCIE1_SW_Pxx_REQ BIT(1)
+#define IMX8M_MIPI_SW_Pxx_REQ BIT(0)
+
+#define IMX8MM_VPUH1_SW_Pxx_REQ BIT(13)
+#define IMX8MM_VPUG2_SW_Pxx_REQ BIT(12)
+#define IMX8MM_VPUG1_SW_Pxx_REQ BIT(11)
+#define IMX8MM_DISPMIX_SW_Pxx_REQ BIT(10)
+#define IMX8MM_VPUMIX_SW_Pxx_REQ BIT(8)
+#define IMX8MM_GPUMIX_SW_Pxx_REQ BIT(7)
+#define IMX8MM_GPU_SW_Pxx_REQ (BIT(6) | BIT(9))
+#define IMX8MM_DDR1_SW_Pxx_REQ BIT(5)
+#define IMX8MM_OTG2_SW_Pxx_REQ BIT(3)
+#define IMX8MM_OTG1_SW_Pxx_REQ BIT(2)
+#define IMX8MM_PCIE_SW_Pxx_REQ BIT(1)
+#define IMX8MM_MIPI_SW_Pxx_REQ BIT(0)
+
+#define IMX8MN_DISPMIX_SW_Pxx_REQ BIT(10)
+#define IMX8MN_GPUMIX_SW_Pxx_REQ BIT(7)
+#define IMX8MN_DDR1_SW_Pxx_REQ BIT(5)
+#define IMX8MN_OTG1_SW_Pxx_REQ BIT(2)
+#define IMX8MN_MIPI_SW_Pxx_REQ BIT(0)
+
+#define IMX8MP_DDRMIX_Pxx_REQ BIT(19)
+#define IMX8MP_MEDIA_ISP_DWP_Pxx_REQ BIT(18)
+#define IMX8MP_HSIOMIX_Pxx_REQ BIT(17)
+#define IMX8MP_MIPI_PHY2_Pxx_REQ BIT(16)
+#define IMX8MP_HDMI_PHY_Pxx_REQ BIT(15)
+#define IMX8MP_HDMIMIX_Pxx_REQ BIT(14)
+#define IMX8MP_VPU_VC8K_Pxx_REQ BIT(13)
+#define IMX8MP_VPU_G2_Pxx_REQ BIT(12)
+#define IMX8MP_VPU_G1_Pxx_REQ BIT(11)
+#define IMX8MP_MEDIMIX_Pxx_REQ BIT(10)
+#define IMX8MP_GPU_3D_Pxx_REQ BIT(9)
+#define IMX8MP_VPU_MIX_SHARE_LOGIC_Pxx_REQ BIT(8)
+#define IMX8MP_GPU_SHARE_LOGIC_Pxx_REQ BIT(7)
+#define IMX8MP_GPU_2D_Pxx_REQ BIT(6)
+#define IMX8MP_AUDIOMIX_Pxx_REQ BIT(5)
+#define IMX8MP_MLMIX_Pxx_REQ BIT(4)
+#define IMX8MP_USB2_PHY_Pxx_REQ BIT(3)
+#define IMX8MP_USB1_PHY_Pxx_REQ BIT(2)
+#define IMX8MP_PCIE_PHY_SW_Pxx_REQ BIT(1)
+#define IMX8MP_MIPI_PHY1_SW_Pxx_REQ BIT(0)
+
+#define GPC_M4_PU_PDN_FLG 0x1bc
+
+#define IMX8MP_GPC_PU_PWRHSK 0x190
+#define GPC_PU_PWRHSK 0x1fc
+
+#define IMX8M_GPU_HSK_PWRDNACKN BIT(26)
+#define IMX8M_VPU_HSK_PWRDNACKN BIT(25)
+#define IMX8M_DISP_HSK_PWRDNACKN BIT(24)
+#define IMX8M_GPU_HSK_PWRDNREQN BIT(6)
+#define IMX8M_VPU_HSK_PWRDNREQN BIT(5)
+#define IMX8M_DISP_HSK_PWRDNREQN BIT(4)
+
+#define IMX8MM_GPUMIX_HSK_PWRDNACKN BIT(29)
+#define IMX8MM_GPU_HSK_PWRDNACKN (BIT(27) | BIT(28))
+#define IMX8MM_VPUMIX_HSK_PWRDNACKN BIT(26)
+#define IMX8MM_DISPMIX_HSK_PWRDNACKN BIT(25)
+#define IMX8MM_HSIO_HSK_PWRDNACKN (BIT(23) | BIT(24))
+#define IMX8MM_GPUMIX_HSK_PWRDNREQN BIT(11)
+#define IMX8MM_GPU_HSK_PWRDNREQN (BIT(9) | BIT(10))
+#define IMX8MM_VPUMIX_HSK_PWRDNREQN BIT(8)
+#define IMX8MM_DISPMIX_HSK_PWRDNREQN BIT(7)
+#define IMX8MM_HSIO_HSK_PWRDNREQN (BIT(5) | BIT(6))
+
+#define IMX8MN_GPUMIX_HSK_PWRDNACKN (BIT(29) | BIT(27))
+#define IMX8MN_DISPMIX_HSK_PWRDNACKN BIT(25)
+#define IMX8MN_HSIO_HSK_PWRDNACKN BIT(23)
+#define IMX8MN_GPUMIX_HSK_PWRDNREQN (BIT(11) | BIT(9))
+#define IMX8MN_DISPMIX_HSK_PWRDNREQN BIT(7)
+#define IMX8MN_HSIO_HSK_PWRDNREQN BIT(5)
+
+#define IMX8MP_MEDIAMIX_PWRDNACKN BIT(30)
+#define IMX8MP_HDMIMIX_PWRDNACKN BIT(29)
+#define IMX8MP_HSIOMIX_PWRDNACKN BIT(28)
+#define IMX8MP_VPUMIX_PWRDNACKN BIT(26)
+#define IMX8MP_GPUMIX_PWRDNACKN BIT(25)
+#define IMX8MP_MLMIX_PWRDNACKN (BIT(23) | BIT(24))
+#define IMX8MP_AUDIOMIX_PWRDNACKN (BIT(20) | BIT(31))
+#define IMX8MP_MEDIAMIX_PWRDNREQN BIT(14)
+#define IMX8MP_HDMIMIX_PWRDNREQN BIT(13)
+#define IMX8MP_HSIOMIX_PWRDNREQN BIT(12)
+#define IMX8MP_VPUMIX_PWRDNREQN BIT(10)
+#define IMX8MP_GPUMIX_PWRDNREQN BIT(9)
+#define IMX8MP_MLMIX_PWRDNREQN (BIT(7) | BIT(8))
+#define IMX8MP_AUDIOMIX_PWRDNREQN (BIT(4) | BIT(15))
+
+/*
+ * The PGC offset values in Reference Manual
+ * (Rev. 1, 01/2018 and the older ones) GPC chapter's
+ * GPC_PGC memory map are incorrect, below offset
+ * values are from design RTL.
+ */
+#define IMX7_PGC_MIPI 16
+#define IMX7_PGC_PCIE 17
+#define IMX7_PGC_USB_HSIC 20
+
+#define IMX8M_PGC_MIPI 16
+#define IMX8M_PGC_PCIE1 17
+#define IMX8M_PGC_OTG1 18
+#define IMX8M_PGC_OTG2 19
+#define IMX8M_PGC_DDR1 21
+#define IMX8M_PGC_GPU 23
+#define IMX8M_PGC_VPU 24
+#define IMX8M_PGC_DISP 26
+#define IMX8M_PGC_MIPI_CSI1 27
+#define IMX8M_PGC_MIPI_CSI2 28
+#define IMX8M_PGC_PCIE2 29
+
+#define IMX8MM_PGC_MIPI 16
+#define IMX8MM_PGC_PCIE 17
+#define IMX8MM_PGC_OTG1 18
+#define IMX8MM_PGC_OTG2 19
+#define IMX8MM_PGC_DDR1 21
+#define IMX8MM_PGC_GPU2D 22
+#define IMX8MM_PGC_GPUMIX 23
+#define IMX8MM_PGC_VPUMIX 24
+#define IMX8MM_PGC_GPU3D 25
+#define IMX8MM_PGC_DISPMIX 26
+#define IMX8MM_PGC_VPUG1 27
+#define IMX8MM_PGC_VPUG2 28
+#define IMX8MM_PGC_VPUH1 29
+
+#define IMX8MN_PGC_MIPI 16
+#define IMX8MN_PGC_OTG1 18
+#define IMX8MN_PGC_DDR1 21
+#define IMX8MN_PGC_GPUMIX 23
+#define IMX8MN_PGC_DISPMIX 26
+
+#define IMX8MP_PGC_NOC 9
+#define IMX8MP_PGC_MIPI1 12
+#define IMX8MP_PGC_PCIE 13
+#define IMX8MP_PGC_USB1 14
+#define IMX8MP_PGC_USB2 15
+#define IMX8MP_PGC_MLMIX 16
+#define IMX8MP_PGC_AUDIOMIX 17
+#define IMX8MP_PGC_GPU2D 18
+#define IMX8MP_PGC_GPUMIX 19
+#define IMX8MP_PGC_VPUMIX 20
+#define IMX8MP_PGC_GPU3D 21
+#define IMX8MP_PGC_MEDIAMIX 22
+#define IMX8MP_PGC_VPU_G1 23
+#define IMX8MP_PGC_VPU_G2 24
+#define IMX8MP_PGC_VPU_VC8000E 25
+#define IMX8MP_PGC_HDMIMIX 26
+#define IMX8MP_PGC_HDMI 27
+#define IMX8MP_PGC_MIPI2 28
+#define IMX8MP_PGC_HSIOMIX 29
+#define IMX8MP_PGC_MEDIA_ISP_DWP 30
+#define IMX8MP_PGC_DDRMIX 31
+
+#define GPC_PGC_CTRL(n) (0x800 + (n) * 0x40)
+#define GPC_PGC_SR(n) (GPC_PGC_CTRL(n) + 0xc)
+
+#define GPC_PGC_CTRL_PCR BIT(0)
+
+struct imx_pgc_regs {
+ u16 map;
+ u16 pup;
+ u16 pdn;
+ u16 hsk;
+};
+
+struct imx_pgc_domain {
+ struct generic_pm_domain genpd;
+ struct regmap *regmap;
+ const struct imx_pgc_regs *regs;
+ struct regulator *regulator;
+ struct reset_control *reset;
+ struct clk_bulk_data *clks;
+ int num_clks;
+
+ unsigned long pgc;
+
+ const struct {
+ u32 pxx;
+ u32 map;
+ u32 hskreq;
+ u32 hskack;
+ } bits;
+
+ const int voltage;
+ const bool keep_clocks;
+ struct device *dev;
+
+ unsigned int pgc_sw_pup_reg;
+ unsigned int pgc_sw_pdn_reg;
+};
+
+struct imx_pgc_domain_data {
+ const struct imx_pgc_domain *domains;
+ size_t domains_num;
+ const struct regmap_access_table *reg_access_table;
+ const struct imx_pgc_regs *pgc_regs;
+};
+
+static inline struct imx_pgc_domain *
+to_imx_pgc_domain(struct generic_pm_domain *genpd)
+{
+ return container_of(genpd, struct imx_pgc_domain, genpd);
+}
+
+static int imx_pgc_power_up(struct generic_pm_domain *genpd)
+{
+ struct imx_pgc_domain *domain = to_imx_pgc_domain(genpd);
+ u32 reg_val, pgc;
+ int ret;
+
+ ret = pm_runtime_get_sync(domain->dev);
+ if (ret < 0) {
+ pm_runtime_put_noidle(domain->dev);
+ return ret;
+ }
+
+ if (!IS_ERR(domain->regulator)) {
+ ret = regulator_enable(domain->regulator);
+ if (ret) {
+ dev_err(domain->dev,
+ "failed to enable regulator: %pe\n",
+ ERR_PTR(ret));
+ goto out_put_pm;
+ }
+ }
+
+ reset_control_assert(domain->reset);
+
+ /* Enable reset clocks for all devices in the domain */
+ ret = clk_bulk_prepare_enable(domain->num_clks, domain->clks);
+ if (ret) {
+ dev_err(domain->dev, "failed to enable reset clocks\n");
+ goto out_regulator_disable;
+ }
+
+ /* delays for reset to propagate */
+ udelay(5);
+
+ if (domain->bits.pxx) {
+ /* request the domain to power up */
+ regmap_update_bits(domain->regmap, domain->regs->pup,
+ domain->bits.pxx, domain->bits.pxx);
+ /*
+ * As per "5.5.9.4 Example Code 4" in IMX7DRM.pdf wait
+ * for PUP_REQ/PDN_REQ bit to be cleared
+ */
+ ret = regmap_read_poll_timeout(domain->regmap,
+ domain->regs->pup, reg_val,
+ !(reg_val & domain->bits.pxx),
+ 0, USEC_PER_MSEC);
+ if (ret) {
+ dev_err(domain->dev, "failed to command PGC\n");
+ goto out_clk_disable;
+ }
+
+ /* disable power control */
+ for_each_set_bit(pgc, &domain->pgc, 32) {
+ regmap_clear_bits(domain->regmap, GPC_PGC_CTRL(pgc),
+ GPC_PGC_CTRL_PCR);
+ }
+ }
+
+ /* delay for reset to propagate */
+ udelay(5);
+
+ reset_control_deassert(domain->reset);
+
+ /* request the ADB400 to power up */
+ if (domain->bits.hskreq) {
+ regmap_update_bits(domain->regmap, domain->regs->hsk,
+ domain->bits.hskreq, domain->bits.hskreq);
+
+ /*
+ * ret = regmap_read_poll_timeout(domain->regmap, domain->regs->hsk, reg_val,
+ * (reg_val & domain->bits.hskack), 0,
+ * USEC_PER_MSEC);
+ * Technically we need the commented code to wait handshake. But that needs
+ * the BLK-CTL module BUS clk-en bit being set.
+ *
+ * There is a separate BLK-CTL module and we will have such a driver for it,
+ * that driver will set the BUS clk-en bit and handshake will be triggered
+ * automatically there. Just add a delay and suppose the handshake finish
+ * after that.
+ */
+ }
+
+ /* Disable reset clocks for all devices in the domain */
+ if (!domain->keep_clocks)
+ clk_bulk_disable_unprepare(domain->num_clks, domain->clks);
+
+ return 0;
+
+out_clk_disable:
+ clk_bulk_disable_unprepare(domain->num_clks, domain->clks);
+out_regulator_disable:
+ if (!IS_ERR(domain->regulator))
+ regulator_disable(domain->regulator);
+out_put_pm:
+ pm_runtime_put(domain->dev);
+
+ return ret;
+}
+
+static int imx_pgc_power_down(struct generic_pm_domain *genpd)
+{
+ struct imx_pgc_domain *domain = to_imx_pgc_domain(genpd);
+ u32 reg_val, pgc;
+ int ret;
+
+ /* Enable reset clocks for all devices in the domain */
+ if (!domain->keep_clocks) {
+ ret = clk_bulk_prepare_enable(domain->num_clks, domain->clks);
+ if (ret) {
+ dev_err(domain->dev, "failed to enable reset clocks\n");
+ return ret;
+ }
+ }
+
+ /* request the ADB400 to power down */
+ if (domain->bits.hskreq) {
+ regmap_clear_bits(domain->regmap, domain->regs->hsk,
+ domain->bits.hskreq);
+
+ ret = regmap_read_poll_timeout(domain->regmap, domain->regs->hsk,
+ reg_val,
+ !(reg_val & domain->bits.hskack),
+ 0, USEC_PER_MSEC);
+ if (ret) {
+ dev_err(domain->dev, "failed to power down ADB400\n");
+ goto out_clk_disable;
+ }
+ }
+
+ if (domain->bits.pxx) {
+ /* enable power control */
+ for_each_set_bit(pgc, &domain->pgc, 32) {
+ regmap_update_bits(domain->regmap, GPC_PGC_CTRL(pgc),
+ GPC_PGC_CTRL_PCR, GPC_PGC_CTRL_PCR);
+ }
+
+ /* request the domain to power down */
+ regmap_update_bits(domain->regmap, domain->regs->pdn,
+ domain->bits.pxx, domain->bits.pxx);
+ /*
+ * As per "5.5.9.4 Example Code 4" in IMX7DRM.pdf wait
+ * for PUP_REQ/PDN_REQ bit to be cleared
+ */
+ ret = regmap_read_poll_timeout(domain->regmap,
+ domain->regs->pdn, reg_val,
+ !(reg_val & domain->bits.pxx),
+ 0, USEC_PER_MSEC);
+ if (ret) {
+ dev_err(domain->dev, "failed to command PGC\n");
+ goto out_clk_disable;
+ }
+ }
+
+ /* Disable reset clocks for all devices in the domain */
+ clk_bulk_disable_unprepare(domain->num_clks, domain->clks);
+
+ if (!IS_ERR(domain->regulator)) {
+ ret = regulator_disable(domain->regulator);
+ if (ret) {
+ dev_err(domain->dev,
+ "failed to disable regulator: %pe\n",
+ ERR_PTR(ret));
+ return ret;
+ }
+ }
+
+ pm_runtime_put_sync_suspend(domain->dev);
+
+ return 0;
+
+out_clk_disable:
+ if (!domain->keep_clocks)
+ clk_bulk_disable_unprepare(domain->num_clks, domain->clks);
+
+ return ret;
+}
+
+static const struct imx_pgc_domain imx7_pgc_domains[] = {
+ [IMX7_POWER_DOMAIN_MIPI_PHY] = {
+ .genpd = {
+ .name = "mipi-phy",
+ },
+ .bits = {
+ .pxx = IMX7_MIPI_PHY_SW_Pxx_REQ,
+ .map = IMX7_MIPI_PHY_A_CORE_DOMAIN,
+ },
+ .voltage = 1000000,
+ .pgc = BIT(IMX7_PGC_MIPI),
+ },
+
+ [IMX7_POWER_DOMAIN_PCIE_PHY] = {
+ .genpd = {
+ .name = "pcie-phy",
+ },
+ .bits = {
+ .pxx = IMX7_PCIE_PHY_SW_Pxx_REQ,
+ .map = IMX7_PCIE_PHY_A_CORE_DOMAIN,
+ },
+ .voltage = 1000000,
+ .pgc = BIT(IMX7_PGC_PCIE),
+ },
+
+ [IMX7_POWER_DOMAIN_USB_HSIC_PHY] = {
+ .genpd = {
+ .name = "usb-hsic-phy",
+ },
+ .bits = {
+ .pxx = IMX7_USB_HSIC_PHY_SW_Pxx_REQ,
+ .map = IMX7_USB_HSIC_PHY_A_CORE_DOMAIN,
+ },
+ .voltage = 1200000,
+ .pgc = BIT(IMX7_PGC_USB_HSIC),
+ },
+};
+
+static const struct regmap_range imx7_yes_ranges[] = {
+ regmap_reg_range(GPC_LPCR_A_CORE_BSC,
+ GPC_M4_PU_PDN_FLG),
+ regmap_reg_range(GPC_PGC_CTRL(IMX7_PGC_MIPI),
+ GPC_PGC_SR(IMX7_PGC_MIPI)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX7_PGC_PCIE),
+ GPC_PGC_SR(IMX7_PGC_PCIE)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX7_PGC_USB_HSIC),
+ GPC_PGC_SR(IMX7_PGC_USB_HSIC)),
+};
+
+static const struct regmap_access_table imx7_access_table = {
+ .yes_ranges = imx7_yes_ranges,
+ .n_yes_ranges = ARRAY_SIZE(imx7_yes_ranges),
+};
+
+static const struct imx_pgc_regs imx7_pgc_regs = {
+ .map = GPC_PGC_CPU_MAPPING,
+ .pup = GPC_PU_PGC_SW_PUP_REQ,
+ .pdn = GPC_PU_PGC_SW_PDN_REQ,
+ .hsk = GPC_PU_PWRHSK,
+};
+
+static const struct imx_pgc_domain_data imx7_pgc_domain_data = {
+ .domains = imx7_pgc_domains,
+ .domains_num = ARRAY_SIZE(imx7_pgc_domains),
+ .reg_access_table = &imx7_access_table,
+ .pgc_regs = &imx7_pgc_regs,
+};
+
+static const struct imx_pgc_domain imx8m_pgc_domains[] = {
+ [IMX8M_POWER_DOMAIN_MIPI] = {
+ .genpd = {
+ .name = "mipi",
+ },
+ .bits = {
+ .pxx = IMX8M_MIPI_SW_Pxx_REQ,
+ .map = IMX8M_MIPI_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8M_PGC_MIPI),
+ },
+
+ [IMX8M_POWER_DOMAIN_PCIE1] = {
+ .genpd = {
+ .name = "pcie1",
+ },
+ .bits = {
+ .pxx = IMX8M_PCIE1_SW_Pxx_REQ,
+ .map = IMX8M_PCIE1_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8M_PGC_PCIE1),
+ },
+
+ [IMX8M_POWER_DOMAIN_USB_OTG1] = {
+ .genpd = {
+ .name = "usb-otg1",
+ },
+ .bits = {
+ .pxx = IMX8M_OTG1_SW_Pxx_REQ,
+ .map = IMX8M_OTG1_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8M_PGC_OTG1),
+ },
+
+ [IMX8M_POWER_DOMAIN_USB_OTG2] = {
+ .genpd = {
+ .name = "usb-otg2",
+ },
+ .bits = {
+ .pxx = IMX8M_OTG2_SW_Pxx_REQ,
+ .map = IMX8M_OTG2_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8M_PGC_OTG2),
+ },
+
+ [IMX8M_POWER_DOMAIN_DDR1] = {
+ .genpd = {
+ .name = "ddr1",
+ },
+ .bits = {
+ .pxx = IMX8M_DDR1_SW_Pxx_REQ,
+ .map = IMX8M_DDR2_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8M_PGC_DDR1),
+ },
+
+ [IMX8M_POWER_DOMAIN_GPU] = {
+ .genpd = {
+ .name = "gpu",
+ },
+ .bits = {
+ .pxx = IMX8M_GPU_SW_Pxx_REQ,
+ .map = IMX8M_GPU_A53_DOMAIN,
+ .hskreq = IMX8M_GPU_HSK_PWRDNREQN,
+ .hskack = IMX8M_GPU_HSK_PWRDNACKN,
+ },
+ .pgc = BIT(IMX8M_PGC_GPU),
+ },
+
+ [IMX8M_POWER_DOMAIN_VPU] = {
+ .genpd = {
+ .name = "vpu",
+ },
+ .bits = {
+ .pxx = IMX8M_VPU_SW_Pxx_REQ,
+ .map = IMX8M_VPU_A53_DOMAIN,
+ .hskreq = IMX8M_VPU_HSK_PWRDNREQN,
+ .hskack = IMX8M_VPU_HSK_PWRDNACKN,
+ },
+ .pgc = BIT(IMX8M_PGC_VPU),
+ .keep_clocks = true,
+ },
+
+ [IMX8M_POWER_DOMAIN_DISP] = {
+ .genpd = {
+ .name = "disp",
+ },
+ .bits = {
+ .pxx = IMX8M_DISP_SW_Pxx_REQ,
+ .map = IMX8M_DISP_A53_DOMAIN,
+ .hskreq = IMX8M_DISP_HSK_PWRDNREQN,
+ .hskack = IMX8M_DISP_HSK_PWRDNACKN,
+ },
+ .pgc = BIT(IMX8M_PGC_DISP),
+ },
+
+ [IMX8M_POWER_DOMAIN_MIPI_CSI1] = {
+ .genpd = {
+ .name = "mipi-csi1",
+ },
+ .bits = {
+ .pxx = IMX8M_MIPI_CSI1_SW_Pxx_REQ,
+ .map = IMX8M_MIPI_CSI1_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8M_PGC_MIPI_CSI1),
+ },
+
+ [IMX8M_POWER_DOMAIN_MIPI_CSI2] = {
+ .genpd = {
+ .name = "mipi-csi2",
+ },
+ .bits = {
+ .pxx = IMX8M_MIPI_CSI2_SW_Pxx_REQ,
+ .map = IMX8M_MIPI_CSI2_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8M_PGC_MIPI_CSI2),
+ },
+
+ [IMX8M_POWER_DOMAIN_PCIE2] = {
+ .genpd = {
+ .name = "pcie2",
+ },
+ .bits = {
+ .pxx = IMX8M_PCIE2_SW_Pxx_REQ,
+ .map = IMX8M_PCIE2_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8M_PGC_PCIE2),
+ },
+};
+
+static const struct regmap_range imx8m_yes_ranges[] = {
+ regmap_reg_range(GPC_LPCR_A_CORE_BSC,
+ GPC_PU_PWRHSK),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_MIPI),
+ GPC_PGC_SR(IMX8M_PGC_MIPI)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_PCIE1),
+ GPC_PGC_SR(IMX8M_PGC_PCIE1)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_OTG1),
+ GPC_PGC_SR(IMX8M_PGC_OTG1)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_OTG2),
+ GPC_PGC_SR(IMX8M_PGC_OTG2)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_DDR1),
+ GPC_PGC_SR(IMX8M_PGC_DDR1)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_GPU),
+ GPC_PGC_SR(IMX8M_PGC_GPU)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_VPU),
+ GPC_PGC_SR(IMX8M_PGC_VPU)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_DISP),
+ GPC_PGC_SR(IMX8M_PGC_DISP)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_MIPI_CSI1),
+ GPC_PGC_SR(IMX8M_PGC_MIPI_CSI1)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_MIPI_CSI2),
+ GPC_PGC_SR(IMX8M_PGC_MIPI_CSI2)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8M_PGC_PCIE2),
+ GPC_PGC_SR(IMX8M_PGC_PCIE2)),
+};
+
+static const struct regmap_access_table imx8m_access_table = {
+ .yes_ranges = imx8m_yes_ranges,
+ .n_yes_ranges = ARRAY_SIZE(imx8m_yes_ranges),
+};
+
+static const struct imx_pgc_domain_data imx8m_pgc_domain_data = {
+ .domains = imx8m_pgc_domains,
+ .domains_num = ARRAY_SIZE(imx8m_pgc_domains),
+ .reg_access_table = &imx8m_access_table,
+ .pgc_regs = &imx7_pgc_regs,
+};
+
+static const struct imx_pgc_domain imx8mm_pgc_domains[] = {
+ [IMX8MM_POWER_DOMAIN_HSIOMIX] = {
+ .genpd = {
+ .name = "hsiomix",
+ },
+ .bits = {
+ .pxx = 0, /* no power sequence control */
+ .map = 0, /* no power sequence control */
+ .hskreq = IMX8MM_HSIO_HSK_PWRDNREQN,
+ .hskack = IMX8MM_HSIO_HSK_PWRDNACKN,
+ },
+ .keep_clocks = true,
+ },
+
+ [IMX8MM_POWER_DOMAIN_PCIE] = {
+ .genpd = {
+ .name = "pcie",
+ },
+ .bits = {
+ .pxx = IMX8MM_PCIE_SW_Pxx_REQ,
+ .map = IMX8MM_PCIE_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MM_PGC_PCIE),
+ },
+
+ [IMX8MM_POWER_DOMAIN_OTG1] = {
+ .genpd = {
+ .name = "usb-otg1",
+ .flags = GENPD_FLAG_ACTIVE_WAKEUP,
+ },
+ .bits = {
+ .pxx = IMX8MM_OTG1_SW_Pxx_REQ,
+ .map = IMX8MM_OTG1_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MM_PGC_OTG1),
+ },
+
+ [IMX8MM_POWER_DOMAIN_OTG2] = {
+ .genpd = {
+ .name = "usb-otg2",
+ .flags = GENPD_FLAG_ACTIVE_WAKEUP,
+ },
+ .bits = {
+ .pxx = IMX8MM_OTG2_SW_Pxx_REQ,
+ .map = IMX8MM_OTG2_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MM_PGC_OTG2),
+ },
+
+ [IMX8MM_POWER_DOMAIN_GPUMIX] = {
+ .genpd = {
+ .name = "gpumix",
+ },
+ .bits = {
+ .pxx = IMX8MM_GPUMIX_SW_Pxx_REQ,
+ .map = IMX8MM_GPUMIX_A53_DOMAIN,
+ .hskreq = IMX8MM_GPUMIX_HSK_PWRDNREQN,
+ .hskack = IMX8MM_GPUMIX_HSK_PWRDNACKN,
+ },
+ .pgc = BIT(IMX8MM_PGC_GPUMIX),
+ .keep_clocks = true,
+ },
+
+ [IMX8MM_POWER_DOMAIN_GPU] = {
+ .genpd = {
+ .name = "gpu",
+ },
+ .bits = {
+ .pxx = IMX8MM_GPU_SW_Pxx_REQ,
+ .map = IMX8MM_GPU_A53_DOMAIN,
+ .hskreq = IMX8MM_GPU_HSK_PWRDNREQN,
+ .hskack = IMX8MM_GPU_HSK_PWRDNACKN,
+ },
+ .pgc = BIT(IMX8MM_PGC_GPU2D) | BIT(IMX8MM_PGC_GPU3D),
+ },
+
+ [IMX8MM_POWER_DOMAIN_VPUMIX] = {
+ .genpd = {
+ .name = "vpumix",
+ },
+ .bits = {
+ .pxx = IMX8MM_VPUMIX_SW_Pxx_REQ,
+ .map = IMX8MM_VPUMIX_A53_DOMAIN,
+ .hskreq = IMX8MM_VPUMIX_HSK_PWRDNREQN,
+ .hskack = IMX8MM_VPUMIX_HSK_PWRDNACKN,
+ },
+ .pgc = BIT(IMX8MM_PGC_VPUMIX),
+ .keep_clocks = true,
+ },
+
+ [IMX8MM_POWER_DOMAIN_VPUG1] = {
+ .genpd = {
+ .name = "vpu-g1",
+ },
+ .bits = {
+ .pxx = IMX8MM_VPUG1_SW_Pxx_REQ,
+ .map = IMX8MM_VPUG1_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MM_PGC_VPUG1),
+ },
+
+ [IMX8MM_POWER_DOMAIN_VPUG2] = {
+ .genpd = {
+ .name = "vpu-g2",
+ },
+ .bits = {
+ .pxx = IMX8MM_VPUG2_SW_Pxx_REQ,
+ .map = IMX8MM_VPUG2_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MM_PGC_VPUG2),
+ },
+
+ [IMX8MM_POWER_DOMAIN_VPUH1] = {
+ .genpd = {
+ .name = "vpu-h1",
+ },
+ .bits = {
+ .pxx = IMX8MM_VPUH1_SW_Pxx_REQ,
+ .map = IMX8MM_VPUH1_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MM_PGC_VPUH1),
+ .keep_clocks = true,
+ },
+
+ [IMX8MM_POWER_DOMAIN_DISPMIX] = {
+ .genpd = {
+ .name = "dispmix",
+ },
+ .bits = {
+ .pxx = IMX8MM_DISPMIX_SW_Pxx_REQ,
+ .map = IMX8MM_DISPMIX_A53_DOMAIN,
+ .hskreq = IMX8MM_DISPMIX_HSK_PWRDNREQN,
+ .hskack = IMX8MM_DISPMIX_HSK_PWRDNACKN,
+ },
+ .pgc = BIT(IMX8MM_PGC_DISPMIX),
+ .keep_clocks = true,
+ },
+
+ [IMX8MM_POWER_DOMAIN_MIPI] = {
+ .genpd = {
+ .name = "mipi",
+ },
+ .bits = {
+ .pxx = IMX8MM_MIPI_SW_Pxx_REQ,
+ .map = IMX8MM_MIPI_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MM_PGC_MIPI),
+ },
+};
+
+static const struct regmap_range imx8mm_yes_ranges[] = {
+ regmap_reg_range(GPC_LPCR_A_CORE_BSC,
+ GPC_PU_PWRHSK),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_MIPI),
+ GPC_PGC_SR(IMX8MM_PGC_MIPI)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_PCIE),
+ GPC_PGC_SR(IMX8MM_PGC_PCIE)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_OTG1),
+ GPC_PGC_SR(IMX8MM_PGC_OTG1)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_OTG2),
+ GPC_PGC_SR(IMX8MM_PGC_OTG2)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_DDR1),
+ GPC_PGC_SR(IMX8MM_PGC_DDR1)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_GPU2D),
+ GPC_PGC_SR(IMX8MM_PGC_GPU2D)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_GPUMIX),
+ GPC_PGC_SR(IMX8MM_PGC_GPUMIX)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_VPUMIX),
+ GPC_PGC_SR(IMX8MM_PGC_VPUMIX)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_GPU3D),
+ GPC_PGC_SR(IMX8MM_PGC_GPU3D)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_DISPMIX),
+ GPC_PGC_SR(IMX8MM_PGC_DISPMIX)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_VPUG1),
+ GPC_PGC_SR(IMX8MM_PGC_VPUG1)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_VPUG2),
+ GPC_PGC_SR(IMX8MM_PGC_VPUG2)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_VPUH1),
+ GPC_PGC_SR(IMX8MM_PGC_VPUH1)),
+};
+
+static const struct regmap_access_table imx8mm_access_table = {
+ .yes_ranges = imx8mm_yes_ranges,
+ .n_yes_ranges = ARRAY_SIZE(imx8mm_yes_ranges),
+};
+
+static const struct imx_pgc_domain_data imx8mm_pgc_domain_data = {
+ .domains = imx8mm_pgc_domains,
+ .domains_num = ARRAY_SIZE(imx8mm_pgc_domains),
+ .reg_access_table = &imx8mm_access_table,
+ .pgc_regs = &imx7_pgc_regs,
+};
+
+static const struct imx_pgc_domain imx8mp_pgc_domains[] = {
+ [IMX8MP_POWER_DOMAIN_MIPI_PHY1] = {
+ .genpd = {
+ .name = "mipi-phy1",
+ },
+ .bits = {
+ .pxx = IMX8MP_MIPI_PHY1_SW_Pxx_REQ,
+ .map = IMX8MP_MIPI_PHY1_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MP_PGC_MIPI1),
+ },
+
+ [IMX8MP_POWER_DOMAIN_PCIE_PHY] = {
+ .genpd = {
+ .name = "pcie-phy1",
+ },
+ .bits = {
+ .pxx = IMX8MP_PCIE_PHY_SW_Pxx_REQ,
+ .map = IMX8MP_PCIE_PHY_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MP_PGC_PCIE),
+ },
+
+ [IMX8MP_POWER_DOMAIN_USB1_PHY] = {
+ .genpd = {
+ .name = "usb-otg1",
+ },
+ .bits = {
+ .pxx = IMX8MP_USB1_PHY_Pxx_REQ,
+ .map = IMX8MP_USB1_PHY_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MP_PGC_USB1),
+ },
+
+ [IMX8MP_POWER_DOMAIN_USB2_PHY] = {
+ .genpd = {
+ .name = "usb-otg2",
+ },
+ .bits = {
+ .pxx = IMX8MP_USB2_PHY_Pxx_REQ,
+ .map = IMX8MP_USB2_PHY_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MP_PGC_USB2),
+ },
+
+ [IMX8MP_POWER_DOMAIN_MLMIX] = {
+ .genpd = {
+ .name = "mlmix",
+ },
+ .bits = {
+ .pxx = IMX8MP_MLMIX_Pxx_REQ,
+ .map = IMX8MP_MLMIX_A53_DOMAIN,
+ .hskreq = IMX8MP_MLMIX_PWRDNREQN,
+ .hskack = IMX8MP_MLMIX_PWRDNACKN,
+ },
+ .pgc = BIT(IMX8MP_PGC_MLMIX),
+ .keep_clocks = true,
+ },
+
+ [IMX8MP_POWER_DOMAIN_AUDIOMIX] = {
+ .genpd = {
+ .name = "audiomix",
+ },
+ .bits = {
+ .pxx = IMX8MP_AUDIOMIX_Pxx_REQ,
+ .map = IMX8MP_AUDIOMIX_A53_DOMAIN,
+ .hskreq = IMX8MP_AUDIOMIX_PWRDNREQN,
+ .hskack = IMX8MP_AUDIOMIX_PWRDNACKN,
+ },
+ .pgc = BIT(IMX8MP_PGC_AUDIOMIX),
+ .keep_clocks = true,
+ },
+
+ [IMX8MP_POWER_DOMAIN_GPU2D] = {
+ .genpd = {
+ .name = "gpu2d",
+ },
+ .bits = {
+ .pxx = IMX8MP_GPU_2D_Pxx_REQ,
+ .map = IMX8MP_GPU2D_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MP_PGC_GPU2D),
+ },
+
+ [IMX8MP_POWER_DOMAIN_GPUMIX] = {
+ .genpd = {
+ .name = "gpumix",
+ },
+ .bits = {
+ .pxx = IMX8MP_GPU_SHARE_LOGIC_Pxx_REQ,
+ .map = IMX8MP_GPUMIX_A53_DOMAIN,
+ .hskreq = IMX8MP_GPUMIX_PWRDNREQN,
+ .hskack = IMX8MP_GPUMIX_PWRDNACKN,
+ },
+ .pgc = BIT(IMX8MP_PGC_GPUMIX),
+ .keep_clocks = true,
+ },
+
+ [IMX8MP_POWER_DOMAIN_VPUMIX] = {
+ .genpd = {
+ .name = "vpumix",
+ },
+ .bits = {
+ .pxx = IMX8MP_VPU_MIX_SHARE_LOGIC_Pxx_REQ,
+ .map = IMX8MP_VPUMIX_A53_DOMAIN,
+ .hskreq = IMX8MP_VPUMIX_PWRDNREQN,
+ .hskack = IMX8MP_VPUMIX_PWRDNACKN,
+ },
+ .pgc = BIT(IMX8MP_PGC_VPUMIX),
+ .keep_clocks = true,
+ },
+
+ [IMX8MP_POWER_DOMAIN_GPU3D] = {
+ .genpd = {
+ .name = "gpu3d",
+ },
+ .bits = {
+ .pxx = IMX8MP_GPU_3D_Pxx_REQ,
+ .map = IMX8MP_GPU3D_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MP_PGC_GPU3D),
+ },
+
+ [IMX8MP_POWER_DOMAIN_MEDIAMIX] = {
+ .genpd = {
+ .name = "mediamix",
+ },
+ .bits = {
+ .pxx = IMX8MP_MEDIMIX_Pxx_REQ,
+ .map = IMX8MP_MEDIAMIX_A53_DOMAIN,
+ .hskreq = IMX8MP_MEDIAMIX_PWRDNREQN,
+ .hskack = IMX8MP_MEDIAMIX_PWRDNACKN,
+ },
+ .pgc = BIT(IMX8MP_PGC_MEDIAMIX),
+ .keep_clocks = true,
+ },
+
+ [IMX8MP_POWER_DOMAIN_VPU_G1] = {
+ .genpd = {
+ .name = "vpu-g1",
+ },
+ .bits = {
+ .pxx = IMX8MP_VPU_G1_Pxx_REQ,
+ .map = IMX8MP_VPU_G1_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MP_PGC_VPU_G1),
+ },
+
+ [IMX8MP_POWER_DOMAIN_VPU_G2] = {
+ .genpd = {
+ .name = "vpu-g2",
+ },
+ .bits = {
+ .pxx = IMX8MP_VPU_G2_Pxx_REQ,
+ .map = IMX8MP_VPU_G2_A53_DOMAIN
+ },
+ .pgc = BIT(IMX8MP_PGC_VPU_G2),
+ },
+
+ [IMX8MP_POWER_DOMAIN_VPU_VC8000E] = {
+ .genpd = {
+ .name = "vpu-h1",
+ },
+ .bits = {
+ .pxx = IMX8MP_VPU_VC8K_Pxx_REQ,
+ .map = IMX8MP_VPU_VC8000E_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MP_PGC_VPU_VC8000E),
+ },
+
+ [IMX8MP_POWER_DOMAIN_HDMIMIX] = {
+ .genpd = {
+ .name = "hdmimix",
+ },
+ .bits = {
+ .pxx = IMX8MP_HDMIMIX_Pxx_REQ,
+ .map = IMX8MP_HDMIMIX_A53_DOMAIN,
+ .hskreq = IMX8MP_HDMIMIX_PWRDNREQN,
+ .hskack = IMX8MP_HDMIMIX_PWRDNACKN,
+ },
+ .pgc = BIT(IMX8MP_PGC_HDMIMIX),
+ .keep_clocks = true,
+ },
+
+ [IMX8MP_POWER_DOMAIN_HDMI_PHY] = {
+ .genpd = {
+ .name = "hdmi-phy",
+ },
+ .bits = {
+ .pxx = IMX8MP_HDMI_PHY_Pxx_REQ,
+ .map = IMX8MP_HDMI_PHY_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MP_PGC_HDMI),
+ },
+
+ [IMX8MP_POWER_DOMAIN_MIPI_PHY2] = {
+ .genpd = {
+ .name = "mipi-phy2",
+ },
+ .bits = {
+ .pxx = IMX8MP_MIPI_PHY2_Pxx_REQ,
+ .map = IMX8MP_MIPI_PHY2_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MP_PGC_MIPI2),
+ },
+
+ [IMX8MP_POWER_DOMAIN_HSIOMIX] = {
+ .genpd = {
+ .name = "hsiomix",
+ },
+ .bits = {
+ .pxx = IMX8MP_HSIOMIX_Pxx_REQ,
+ .map = IMX8MP_HSIOMIX_A53_DOMAIN,
+ .hskreq = IMX8MP_HSIOMIX_PWRDNREQN,
+ .hskack = IMX8MP_HSIOMIX_PWRDNACKN,
+ },
+ .pgc = BIT(IMX8MP_PGC_HSIOMIX),
+ .keep_clocks = true,
+ },
+
+ [IMX8MP_POWER_DOMAIN_MEDIAMIX_ISPDWP] = {
+ .genpd = {
+ .name = "mediamix-isp-dwp",
+ },
+ .bits = {
+ .pxx = IMX8MP_MEDIA_ISP_DWP_Pxx_REQ,
+ .map = IMX8MP_MEDIA_ISPDWP_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MP_PGC_MEDIA_ISP_DWP),
+ },
+};
+
+static const struct regmap_range imx8mp_yes_ranges[] = {
+ regmap_reg_range(GPC_LPCR_A_CORE_BSC,
+ IMX8MP_GPC_PGC_CPU_MAPPING),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_NOC),
+ GPC_PGC_SR(IMX8MP_PGC_NOC)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_MIPI1),
+ GPC_PGC_SR(IMX8MP_PGC_MIPI1)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_PCIE),
+ GPC_PGC_SR(IMX8MP_PGC_PCIE)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_USB1),
+ GPC_PGC_SR(IMX8MP_PGC_USB1)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_USB2),
+ GPC_PGC_SR(IMX8MP_PGC_USB2)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_MLMIX),
+ GPC_PGC_SR(IMX8MP_PGC_MLMIX)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_AUDIOMIX),
+ GPC_PGC_SR(IMX8MP_PGC_AUDIOMIX)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_GPU2D),
+ GPC_PGC_SR(IMX8MP_PGC_GPU2D)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_GPUMIX),
+ GPC_PGC_SR(IMX8MP_PGC_GPUMIX)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_VPUMIX),
+ GPC_PGC_SR(IMX8MP_PGC_VPUMIX)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_GPU3D),
+ GPC_PGC_SR(IMX8MP_PGC_GPU3D)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_MEDIAMIX),
+ GPC_PGC_SR(IMX8MP_PGC_MEDIAMIX)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_VPU_G1),
+ GPC_PGC_SR(IMX8MP_PGC_VPU_G1)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_VPU_G2),
+ GPC_PGC_SR(IMX8MP_PGC_VPU_G2)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_VPU_VC8000E),
+ GPC_PGC_SR(IMX8MP_PGC_VPU_VC8000E)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_HDMIMIX),
+ GPC_PGC_SR(IMX8MP_PGC_HDMIMIX)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_HDMI),
+ GPC_PGC_SR(IMX8MP_PGC_HDMI)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_MIPI2),
+ GPC_PGC_SR(IMX8MP_PGC_MIPI2)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_HSIOMIX),
+ GPC_PGC_SR(IMX8MP_PGC_HSIOMIX)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_MEDIA_ISP_DWP),
+ GPC_PGC_SR(IMX8MP_PGC_MEDIA_ISP_DWP)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MP_PGC_DDRMIX),
+ GPC_PGC_SR(IMX8MP_PGC_DDRMIX)),
+};
+
+static const struct regmap_access_table imx8mp_access_table = {
+ .yes_ranges = imx8mp_yes_ranges,
+ .n_yes_ranges = ARRAY_SIZE(imx8mp_yes_ranges),
+};
+
+static const struct imx_pgc_regs imx8mp_pgc_regs = {
+ .map = IMX8MP_GPC_PGC_CPU_MAPPING,
+ .pup = IMX8MP_GPC_PU_PGC_SW_PUP_REQ,
+ .pdn = IMX8MP_GPC_PU_PGC_SW_PDN_REQ,
+ .hsk = IMX8MP_GPC_PU_PWRHSK,
+};
+static const struct imx_pgc_domain_data imx8mp_pgc_domain_data = {
+ .domains = imx8mp_pgc_domains,
+ .domains_num = ARRAY_SIZE(imx8mp_pgc_domains),
+ .reg_access_table = &imx8mp_access_table,
+ .pgc_regs = &imx8mp_pgc_regs,
+};
+
+static const struct imx_pgc_domain imx8mn_pgc_domains[] = {
+ [IMX8MN_POWER_DOMAIN_HSIOMIX] = {
+ .genpd = {
+ .name = "hsiomix",
+ },
+ .bits = {
+ .pxx = 0, /* no power sequence control */
+ .map = 0, /* no power sequence control */
+ .hskreq = IMX8MN_HSIO_HSK_PWRDNREQN,
+ .hskack = IMX8MN_HSIO_HSK_PWRDNACKN,
+ },
+ .keep_clocks = true,
+ },
+
+ [IMX8MN_POWER_DOMAIN_OTG1] = {
+ .genpd = {
+ .name = "usb-otg1",
+ .flags = GENPD_FLAG_ACTIVE_WAKEUP,
+ },
+ .bits = {
+ .pxx = IMX8MN_OTG1_SW_Pxx_REQ,
+ .map = IMX8MN_OTG1_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MN_PGC_OTG1),
+ },
+
+ [IMX8MN_POWER_DOMAIN_GPUMIX] = {
+ .genpd = {
+ .name = "gpumix",
+ },
+ .bits = {
+ .pxx = IMX8MN_GPUMIX_SW_Pxx_REQ,
+ .map = IMX8MN_GPUMIX_A53_DOMAIN,
+ .hskreq = IMX8MN_GPUMIX_HSK_PWRDNREQN,
+ .hskack = IMX8MN_GPUMIX_HSK_PWRDNACKN,
+ },
+ .pgc = BIT(IMX8MN_PGC_GPUMIX),
+ .keep_clocks = true,
+ },
+
+ [IMX8MN_POWER_DOMAIN_DISPMIX] = {
+ .genpd = {
+ .name = "dispmix",
+ },
+ .bits = {
+ .pxx = IMX8MN_DISPMIX_SW_Pxx_REQ,
+ .map = IMX8MN_DISPMIX_A53_DOMAIN,
+ .hskreq = IMX8MN_DISPMIX_HSK_PWRDNREQN,
+ .hskack = IMX8MN_DISPMIX_HSK_PWRDNACKN,
+ },
+ .pgc = BIT(IMX8MN_PGC_DISPMIX),
+ .keep_clocks = true,
+ },
+
+ [IMX8MN_POWER_DOMAIN_MIPI] = {
+ .genpd = {
+ .name = "mipi",
+ },
+ .bits = {
+ .pxx = IMX8MN_MIPI_SW_Pxx_REQ,
+ .map = IMX8MN_MIPI_A53_DOMAIN,
+ },
+ .pgc = BIT(IMX8MN_PGC_MIPI),
+ },
+};
+
+static const struct regmap_range imx8mn_yes_ranges[] = {
+ regmap_reg_range(GPC_LPCR_A_CORE_BSC,
+ GPC_PU_PWRHSK),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MN_PGC_MIPI),
+ GPC_PGC_SR(IMX8MN_PGC_MIPI)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MN_PGC_OTG1),
+ GPC_PGC_SR(IMX8MN_PGC_OTG1)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MN_PGC_DDR1),
+ GPC_PGC_SR(IMX8MN_PGC_DDR1)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MN_PGC_GPUMIX),
+ GPC_PGC_SR(IMX8MN_PGC_GPUMIX)),
+ regmap_reg_range(GPC_PGC_CTRL(IMX8MN_PGC_DISPMIX),
+ GPC_PGC_SR(IMX8MN_PGC_DISPMIX)),
+};
+
+static const struct regmap_access_table imx8mn_access_table = {
+ .yes_ranges = imx8mn_yes_ranges,
+ .n_yes_ranges = ARRAY_SIZE(imx8mn_yes_ranges),
+};
+
+static const struct imx_pgc_domain_data imx8mn_pgc_domain_data = {
+ .domains = imx8mn_pgc_domains,
+ .domains_num = ARRAY_SIZE(imx8mn_pgc_domains),
+ .reg_access_table = &imx8mn_access_table,
+ .pgc_regs = &imx7_pgc_regs,
+};
+
+static int imx_pgc_domain_probe(struct platform_device *pdev)
+{
+ struct imx_pgc_domain *domain = pdev->dev.platform_data;
+ int ret;
+
+ domain->dev = &pdev->dev;
+
+ domain->regulator = devm_regulator_get_optional(domain->dev, "power");
+ if (IS_ERR(domain->regulator)) {
+ if (PTR_ERR(domain->regulator) != -ENODEV)
+ return dev_err_probe(domain->dev, PTR_ERR(domain->regulator),
+ "Failed to get domain's regulator\n");
+ } else if (domain->voltage) {
+ regulator_set_voltage(domain->regulator,
+ domain->voltage, domain->voltage);
+ }
+
+ domain->num_clks = devm_clk_bulk_get_all(domain->dev, &domain->clks);
+ if (domain->num_clks < 0)
+ return dev_err_probe(domain->dev, domain->num_clks,
+ "Failed to get domain's clocks\n");
+
+ domain->reset = devm_reset_control_array_get_optional_exclusive(domain->dev);
+ if (IS_ERR(domain->reset))
+ return dev_err_probe(domain->dev, PTR_ERR(domain->reset),
+ "Failed to get domain's resets\n");
+
+ pm_runtime_enable(domain->dev);
+
+ if (domain->bits.map)
+ regmap_update_bits(domain->regmap, domain->regs->map,
+ domain->bits.map, domain->bits.map);
+
+ ret = pm_genpd_init(&domain->genpd, NULL, true);
+ if (ret) {
+ dev_err(domain->dev, "Failed to init power domain\n");
+ goto out_domain_unmap;
+ }
+
+ if (IS_ENABLED(CONFIG_LOCKDEP) &&
+ of_property_read_bool(domain->dev->of_node, "power-domains"))
+ lockdep_set_subclass(&domain->genpd.mlock, 1);
+
+ ret = of_genpd_add_provider_simple(domain->dev->of_node,
+ &domain->genpd);
+ if (ret) {
+ dev_err(domain->dev, "Failed to add genpd provider\n");
+ goto out_genpd_remove;
+ }
+
+ return 0;
+
+out_genpd_remove:
+ pm_genpd_remove(&domain->genpd);
+out_domain_unmap:
+ if (domain->bits.map)
+ regmap_update_bits(domain->regmap, domain->regs->map,
+ domain->bits.map, 0);
+ pm_runtime_disable(domain->dev);
+
+ return ret;
+}
+
+static int imx_pgc_domain_remove(struct platform_device *pdev)
+{
+ struct imx_pgc_domain *domain = pdev->dev.platform_data;
+
+ of_genpd_del_provider(domain->dev->of_node);
+ pm_genpd_remove(&domain->genpd);
+
+ if (domain->bits.map)
+ regmap_update_bits(domain->regmap, domain->regs->map,
+ domain->bits.map, 0);
+
+ pm_runtime_disable(domain->dev);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int imx_pgc_domain_suspend(struct device *dev)
+{
+ int ret;
+
+ /*
+ * This may look strange, but is done so the generic PM_SLEEP code
+ * can power down our domain and more importantly power it up again
+ * after resume, without tripping over our usage of runtime PM to
+ * power up/down the nested domains.
+ */
+ ret = pm_runtime_get_sync(dev);
+ if (ret < 0) {
+ pm_runtime_put_noidle(dev);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int imx_pgc_domain_resume(struct device *dev)
+{
+ return pm_runtime_put(dev);
+}
+#endif
+
+static const struct dev_pm_ops imx_pgc_domain_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(imx_pgc_domain_suspend, imx_pgc_domain_resume)
+};
+
+static const struct platform_device_id imx_pgc_domain_id[] = {
+ { "imx-pgc-domain", },
+ { },
+};
+
+static struct platform_driver imx_pgc_domain_driver = {
+ .driver = {
+ .name = "imx-pgc",
+ .pm = &imx_pgc_domain_pm_ops,
+ },
+ .probe = imx_pgc_domain_probe,
+ .remove = imx_pgc_domain_remove,
+ .id_table = imx_pgc_domain_id,
+};
+builtin_platform_driver(imx_pgc_domain_driver)
+
+static int imx_gpcv2_probe(struct platform_device *pdev)
+{
+ const struct imx_pgc_domain_data *domain_data =
+ of_device_get_match_data(&pdev->dev);
+
+ struct regmap_config regmap_config = {
+ .reg_bits = 32,
+ .val_bits = 32,
+ .reg_stride = 4,
+ .rd_table = domain_data->reg_access_table,
+ .wr_table = domain_data->reg_access_table,
+ .max_register = SZ_4K,
+ };
+ struct device *dev = &pdev->dev;
+ struct device_node *pgc_np, *np;
+ struct regmap *regmap;
+ void __iomem *base;
+ int ret;
+
+ pgc_np = of_get_child_by_name(dev->of_node, "pgc");
+ if (!pgc_np) {
+ dev_err(dev, "No power domains specified in DT\n");
+ return -EINVAL;
+ }
+
+ base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ regmap = devm_regmap_init_mmio(dev, base, ®map_config);
+ if (IS_ERR(regmap)) {
+ ret = PTR_ERR(regmap);
+ dev_err(dev, "failed to init regmap (%d)\n", ret);
+ return ret;
+ }
+
+ for_each_child_of_node(pgc_np, np) {
+ struct platform_device *pd_pdev;
+ struct imx_pgc_domain *domain;
+ u32 domain_index;
+
+ if (!of_device_is_available(np))
+ continue;
+
+ ret = of_property_read_u32(np, "reg", &domain_index);
+ if (ret) {
+ dev_err(dev, "Failed to read 'reg' property\n");
+ of_node_put(np);
+ return ret;
+ }
+
+ if (domain_index >= domain_data->domains_num) {
+ dev_warn(dev,
+ "Domain index %d is out of bounds\n",
+ domain_index);
+ continue;
+ }
+
+ pd_pdev = platform_device_alloc("imx-pgc-domain",
+ domain_index);
+ if (!pd_pdev) {
+ dev_err(dev, "Failed to allocate platform device\n");
+ of_node_put(np);
+ return -ENOMEM;
+ }
+
+ ret = platform_device_add_data(pd_pdev,
+ &domain_data->domains[domain_index],
+ sizeof(domain_data->domains[domain_index]));
+ if (ret) {
+ platform_device_put(pd_pdev);
+ of_node_put(np);
+ return ret;
+ }
+
+ domain = pd_pdev->dev.platform_data;
+ domain->regmap = regmap;
+ domain->regs = domain_data->pgc_regs;
+
+ domain->genpd.power_on = imx_pgc_power_up;
+ domain->genpd.power_off = imx_pgc_power_down;
+
+ pd_pdev->dev.parent = dev;
+ device_set_node(&pd_pdev->dev, of_fwnode_handle(np));
+
+ ret = platform_device_add(pd_pdev);
+ if (ret) {
+ platform_device_put(pd_pdev);
+ of_node_put(np);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static const struct of_device_id imx_gpcv2_dt_ids[] = {
+ { .compatible = "fsl,imx7d-gpc", .data = &imx7_pgc_domain_data, },
+ { .compatible = "fsl,imx8mm-gpc", .data = &imx8mm_pgc_domain_data, },
+ { .compatible = "fsl,imx8mn-gpc", .data = &imx8mn_pgc_domain_data, },
+ { .compatible = "fsl,imx8mp-gpc", .data = &imx8mp_pgc_domain_data, },
+ { .compatible = "fsl,imx8mq-gpc", .data = &imx8m_pgc_domain_data, },
+ { }
+};
+
+static struct platform_driver imx_gpc_driver = {
+ .driver = {
+ .name = "imx-gpcv2",
+ .of_match_table = imx_gpcv2_dt_ids,
+ },
+ .probe = imx_gpcv2_probe,
+};
+builtin_platform_driver(imx_gpc_driver)
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+
+/*
+ * Copyright 2021 Pengutronix, Lucas Stach <kernel@pengutronix.de>
+ */
+
+#include <linux/bitfield.h>
+#include <linux/device.h>
+#include <linux/interconnect.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <linux/clk.h>
+
+#include <dt-bindings/power/imx8mm-power.h>
+#include <dt-bindings/power/imx8mn-power.h>
+#include <dt-bindings/power/imx8mp-power.h>
+#include <dt-bindings/power/imx8mq-power.h>
+
+#define BLK_SFT_RSTN 0x0
+#define BLK_CLK_EN 0x4
+#define BLK_MIPI_RESET_DIV 0x8 /* Mini/Nano/Plus DISPLAY_BLK_CTRL only */
+
+struct imx8m_blk_ctrl_domain;
+
+struct imx8m_blk_ctrl {
+ struct device *dev;
+ struct notifier_block power_nb;
+ struct device *bus_power_dev;
+ struct regmap *regmap;
+ struct imx8m_blk_ctrl_domain *domains;
+ struct genpd_onecell_data onecell_data;
+};
+
+struct imx8m_blk_ctrl_domain_data {
+ const char *name;
+ const char * const *clk_names;
+ const char * const *path_names;
+ const char *gpc_name;
+ int num_clks;
+ int num_paths;
+ u32 rst_mask;
+ u32 clk_mask;
+
+ /*
+ * i.MX8M Mini, Nano and Plus have a third DISPLAY_BLK_CTRL register
+ * which is used to control the reset for the MIPI Phy.
+ * Since it's only present in certain circumstances,
+ * an if-statement should be used before setting and clearing this
+ * register.
+ */
+ u32 mipi_phy_rst_mask;
+};
+
+#define DOMAIN_MAX_CLKS 4
+#define DOMAIN_MAX_PATHS 4
+
+struct imx8m_blk_ctrl_domain {
+ struct generic_pm_domain genpd;
+ const struct imx8m_blk_ctrl_domain_data *data;
+ struct clk_bulk_data clks[DOMAIN_MAX_CLKS];
+ struct icc_bulk_data paths[DOMAIN_MAX_PATHS];
+ struct device *power_dev;
+ struct imx8m_blk_ctrl *bc;
+ int num_paths;
+};
+
+struct imx8m_blk_ctrl_data {
+ int max_reg;
+ notifier_fn_t power_notifier_fn;
+ const struct imx8m_blk_ctrl_domain_data *domains;
+ int num_domains;
+};
+
+static inline struct imx8m_blk_ctrl_domain *
+to_imx8m_blk_ctrl_domain(struct generic_pm_domain *genpd)
+{
+ return container_of(genpd, struct imx8m_blk_ctrl_domain, genpd);
+}
+
+static int imx8m_blk_ctrl_power_on(struct generic_pm_domain *genpd)
+{
+ struct imx8m_blk_ctrl_domain *domain = to_imx8m_blk_ctrl_domain(genpd);
+ const struct imx8m_blk_ctrl_domain_data *data = domain->data;
+ struct imx8m_blk_ctrl *bc = domain->bc;
+ int ret;
+
+ /* make sure bus domain is awake */
+ ret = pm_runtime_get_sync(bc->bus_power_dev);
+ if (ret < 0) {
+ pm_runtime_put_noidle(bc->bus_power_dev);
+ dev_err(bc->dev, "failed to power up bus domain\n");
+ return ret;
+ }
+
+ /* put devices into reset */
+ regmap_clear_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask);
+ if (data->mipi_phy_rst_mask)
+ regmap_clear_bits(bc->regmap, BLK_MIPI_RESET_DIV, data->mipi_phy_rst_mask);
+
+ /* enable upstream and blk-ctrl clocks to allow reset to propagate */
+ ret = clk_bulk_prepare_enable(data->num_clks, domain->clks);
+ if (ret) {
+ dev_err(bc->dev, "failed to enable clocks\n");
+ goto bus_put;
+ }
+ regmap_set_bits(bc->regmap, BLK_CLK_EN, data->clk_mask);
+
+ /* power up upstream GPC domain */
+ ret = pm_runtime_get_sync(domain->power_dev);
+ if (ret < 0) {
+ dev_err(bc->dev, "failed to power up peripheral domain\n");
+ goto clk_disable;
+ }
+
+ /* wait for reset to propagate */
+ udelay(5);
+
+ /* release reset */
+ regmap_set_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask);
+ if (data->mipi_phy_rst_mask)
+ regmap_set_bits(bc->regmap, BLK_MIPI_RESET_DIV, data->mipi_phy_rst_mask);
+
+ ret = icc_bulk_set_bw(domain->num_paths, domain->paths);
+ if (ret)
+ dev_err(bc->dev, "failed to set icc bw\n");
+
+ /* disable upstream clocks */
+ clk_bulk_disable_unprepare(data->num_clks, domain->clks);
+
+ return 0;
+
+clk_disable:
+ clk_bulk_disable_unprepare(data->num_clks, domain->clks);
+bus_put:
+ pm_runtime_put(bc->bus_power_dev);
+
+ return ret;
+}
+
+static int imx8m_blk_ctrl_power_off(struct generic_pm_domain *genpd)
+{
+ struct imx8m_blk_ctrl_domain *domain = to_imx8m_blk_ctrl_domain(genpd);
+ const struct imx8m_blk_ctrl_domain_data *data = domain->data;
+ struct imx8m_blk_ctrl *bc = domain->bc;
+
+ /* put devices into reset and disable clocks */
+ if (data->mipi_phy_rst_mask)
+ regmap_clear_bits(bc->regmap, BLK_MIPI_RESET_DIV, data->mipi_phy_rst_mask);
+
+ regmap_clear_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask);
+ regmap_clear_bits(bc->regmap, BLK_CLK_EN, data->clk_mask);
+
+ /* power down upstream GPC domain */
+ pm_runtime_put(domain->power_dev);
+
+ /* allow bus domain to suspend */
+ pm_runtime_put(bc->bus_power_dev);
+
+ return 0;
+}
+
+static struct lock_class_key blk_ctrl_genpd_lock_class;
+
+static int imx8m_blk_ctrl_probe(struct platform_device *pdev)
+{
+ const struct imx8m_blk_ctrl_data *bc_data;
+ struct device *dev = &pdev->dev;
+ struct imx8m_blk_ctrl *bc;
+ void __iomem *base;
+ int i, ret;
+
+ struct regmap_config regmap_config = {
+ .reg_bits = 32,
+ .val_bits = 32,
+ .reg_stride = 4,
+ };
+
+ bc = devm_kzalloc(dev, sizeof(*bc), GFP_KERNEL);
+ if (!bc)
+ return -ENOMEM;
+
+ bc->dev = dev;
+
+ bc_data = of_device_get_match_data(dev);
+
+ base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ regmap_config.max_register = bc_data->max_reg;
+ bc->regmap = devm_regmap_init_mmio(dev, base, ®map_config);
+ if (IS_ERR(bc->regmap))
+ return dev_err_probe(dev, PTR_ERR(bc->regmap),
+ "failed to init regmap\n");
+
+ bc->domains = devm_kcalloc(dev, bc_data->num_domains,
+ sizeof(struct imx8m_blk_ctrl_domain),
+ GFP_KERNEL);
+ if (!bc->domains)
+ return -ENOMEM;
+
+ bc->onecell_data.num_domains = bc_data->num_domains;
+ bc->onecell_data.domains =
+ devm_kcalloc(dev, bc_data->num_domains,
+ sizeof(struct generic_pm_domain *), GFP_KERNEL);
+ if (!bc->onecell_data.domains)
+ return -ENOMEM;
+
+ bc->bus_power_dev = dev_pm_domain_attach_by_name(dev, "bus");
+ if (IS_ERR(bc->bus_power_dev)) {
+ if (PTR_ERR(bc->bus_power_dev) == -ENODEV)
+ return dev_err_probe(dev, -EPROBE_DEFER,
+ "failed to attach power domain \"bus\"\n");
+ else
+ return dev_err_probe(dev, PTR_ERR(bc->bus_power_dev),
+ "failed to attach power domain \"bus\"\n");
+ }
+
+ for (i = 0; i < bc_data->num_domains; i++) {
+ const struct imx8m_blk_ctrl_domain_data *data = &bc_data->domains[i];
+ struct imx8m_blk_ctrl_domain *domain = &bc->domains[i];
+ int j;
+
+ domain->data = data;
+ domain->num_paths = data->num_paths;
+
+ for (j = 0; j < data->num_clks; j++)
+ domain->clks[j].id = data->clk_names[j];
+
+ for (j = 0; j < data->num_paths; j++) {
+ domain->paths[j].name = data->path_names[j];
+ /* Fake value for now, just let ICC could configure NoC mode/priority */
+ domain->paths[j].avg_bw = 1;
+ domain->paths[j].peak_bw = 1;
+ }
+
+ ret = devm_of_icc_bulk_get(dev, data->num_paths, domain->paths);
+ if (ret) {
+ if (ret != -EPROBE_DEFER) {
+ dev_warn_once(dev, "Could not get interconnect paths, NoC will stay unconfigured!\n");
+ domain->num_paths = 0;
+ } else {
+ dev_err_probe(dev, ret, "failed to get noc entries\n");
+ goto cleanup_pds;
+ }
+ }
+
+ ret = devm_clk_bulk_get(dev, data->num_clks, domain->clks);
+ if (ret) {
+ dev_err_probe(dev, ret, "failed to get clock\n");
+ goto cleanup_pds;
+ }
+
+ domain->power_dev =
+ dev_pm_domain_attach_by_name(dev, data->gpc_name);
+ if (IS_ERR(domain->power_dev)) {
+ dev_err_probe(dev, PTR_ERR(domain->power_dev),
+ "failed to attach power domain \"%s\"\n",
+ data->gpc_name);
+ ret = PTR_ERR(domain->power_dev);
+ goto cleanup_pds;
+ }
+
+ domain->genpd.name = data->name;
+ domain->genpd.power_on = imx8m_blk_ctrl_power_on;
+ domain->genpd.power_off = imx8m_blk_ctrl_power_off;
+ domain->bc = bc;
+
+ ret = pm_genpd_init(&domain->genpd, NULL, true);
+ if (ret) {
+ dev_err_probe(dev, ret,
+ "failed to init power domain \"%s\"\n",
+ data->gpc_name);
+ dev_pm_domain_detach(domain->power_dev, true);
+ goto cleanup_pds;
+ }
+
+ /*
+ * We use runtime PM to trigger power on/off of the upstream GPC
+ * domain, as a strict hierarchical parent/child power domain
+ * setup doesn't allow us to meet the sequencing requirements.
+ * This means we have nested locking of genpd locks, without the
+ * nesting being visible at the genpd level, so we need a
+ * separate lock class to make lockdep aware of the fact that
+ * this are separate domain locks that can be nested without a
+ * self-deadlock.
+ */
+ lockdep_set_class(&domain->genpd.mlock,
+ &blk_ctrl_genpd_lock_class);
+
+ bc->onecell_data.domains[i] = &domain->genpd;
+ }
+
+ ret = of_genpd_add_provider_onecell(dev->of_node, &bc->onecell_data);
+ if (ret) {
+ dev_err_probe(dev, ret, "failed to add power domain provider\n");
+ goto cleanup_pds;
+ }
+
+ bc->power_nb.notifier_call = bc_data->power_notifier_fn;
+ ret = dev_pm_genpd_add_notifier(bc->bus_power_dev, &bc->power_nb);
+ if (ret) {
+ dev_err_probe(dev, ret, "failed to add power notifier\n");
+ goto cleanup_provider;
+ }
+
+ dev_set_drvdata(dev, bc);
+
+ ret = devm_of_platform_populate(dev);
+ if (ret)
+ goto cleanup_provider;
+
+ return 0;
+
+cleanup_provider:
+ of_genpd_del_provider(dev->of_node);
+cleanup_pds:
+ for (i--; i >= 0; i--) {
+ pm_genpd_remove(&bc->domains[i].genpd);
+ dev_pm_domain_detach(bc->domains[i].power_dev, true);
+ }
+
+ dev_pm_domain_detach(bc->bus_power_dev, true);
+
+ return ret;
+}
+
+static int imx8m_blk_ctrl_remove(struct platform_device *pdev)
+{
+ struct imx8m_blk_ctrl *bc = dev_get_drvdata(&pdev->dev);
+ int i;
+
+ of_genpd_del_provider(pdev->dev.of_node);
+
+ for (i = 0; bc->onecell_data.num_domains; i++) {
+ struct imx8m_blk_ctrl_domain *domain = &bc->domains[i];
+
+ pm_genpd_remove(&domain->genpd);
+ dev_pm_domain_detach(domain->power_dev, true);
+ }
+
+ dev_pm_genpd_remove_notifier(bc->bus_power_dev);
+
+ dev_pm_domain_detach(bc->bus_power_dev, true);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int imx8m_blk_ctrl_suspend(struct device *dev)
+{
+ struct imx8m_blk_ctrl *bc = dev_get_drvdata(dev);
+ int ret, i;
+
+ /*
+ * This may look strange, but is done so the generic PM_SLEEP code
+ * can power down our domains and more importantly power them up again
+ * after resume, without tripping over our usage of runtime PM to
+ * control the upstream GPC domains. Things happen in the right order
+ * in the system suspend/resume paths due to the device parent/child
+ * hierarchy.
+ */
+ ret = pm_runtime_get_sync(bc->bus_power_dev);
+ if (ret < 0) {
+ pm_runtime_put_noidle(bc->bus_power_dev);
+ return ret;
+ }
+
+ for (i = 0; i < bc->onecell_data.num_domains; i++) {
+ struct imx8m_blk_ctrl_domain *domain = &bc->domains[i];
+
+ ret = pm_runtime_get_sync(domain->power_dev);
+ if (ret < 0) {
+ pm_runtime_put_noidle(domain->power_dev);
+ goto out_fail;
+ }
+ }
+
+ return 0;
+
+out_fail:
+ for (i--; i >= 0; i--)
+ pm_runtime_put(bc->domains[i].power_dev);
+
+ pm_runtime_put(bc->bus_power_dev);
+
+ return ret;
+}
+
+static int imx8m_blk_ctrl_resume(struct device *dev)
+{
+ struct imx8m_blk_ctrl *bc = dev_get_drvdata(dev);
+ int i;
+
+ for (i = 0; i < bc->onecell_data.num_domains; i++)
+ pm_runtime_put(bc->domains[i].power_dev);
+
+ pm_runtime_put(bc->bus_power_dev);
+
+ return 0;
+}
+#endif
+
+static const struct dev_pm_ops imx8m_blk_ctrl_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(imx8m_blk_ctrl_suspend, imx8m_blk_ctrl_resume)
+};
+
+static int imx8mm_vpu_power_notifier(struct notifier_block *nb,
+ unsigned long action, void *data)
+{
+ struct imx8m_blk_ctrl *bc = container_of(nb, struct imx8m_blk_ctrl,
+ power_nb);
+
+ if (action != GENPD_NOTIFY_ON && action != GENPD_NOTIFY_PRE_OFF)
+ return NOTIFY_OK;
+
+ /*
+ * The ADB in the VPUMIX domain has no separate reset and clock
+ * enable bits, but is ungated together with the VPU clocks. To
+ * allow the handshake with the GPC to progress we put the VPUs
+ * in reset and ungate the clocks.
+ */
+ regmap_clear_bits(bc->regmap, BLK_SFT_RSTN, BIT(0) | BIT(1) | BIT(2));
+ regmap_set_bits(bc->regmap, BLK_CLK_EN, BIT(0) | BIT(1) | BIT(2));
+
+ if (action == GENPD_NOTIFY_ON) {
+ /*
+ * On power up we have no software backchannel to the GPC to
+ * wait for the ADB handshake to happen, so we just delay for a
+ * bit. On power down the GPC driver waits for the handshake.
+ */
+ udelay(5);
+
+ /* set "fuse" bits to enable the VPUs */
+ regmap_set_bits(bc->regmap, 0x8, 0xffffffff);
+ regmap_set_bits(bc->regmap, 0xc, 0xffffffff);
+ regmap_set_bits(bc->regmap, 0x10, 0xffffffff);
+ regmap_set_bits(bc->regmap, 0x14, 0xffffffff);
+ }
+
+ return NOTIFY_OK;
+}
+
+static const struct imx8m_blk_ctrl_domain_data imx8mm_vpu_blk_ctl_domain_data[] = {
+ [IMX8MM_VPUBLK_PD_G1] = {
+ .name = "vpublk-g1",
+ .clk_names = (const char *[]){ "g1", },
+ .num_clks = 1,
+ .gpc_name = "g1",
+ .rst_mask = BIT(1),
+ .clk_mask = BIT(1),
+ },
+ [IMX8MM_VPUBLK_PD_G2] = {
+ .name = "vpublk-g2",
+ .clk_names = (const char *[]){ "g2", },
+ .num_clks = 1,
+ .gpc_name = "g2",
+ .rst_mask = BIT(0),
+ .clk_mask = BIT(0),
+ },
+ [IMX8MM_VPUBLK_PD_H1] = {
+ .name = "vpublk-h1",
+ .clk_names = (const char *[]){ "h1", },
+ .num_clks = 1,
+ .gpc_name = "h1",
+ .rst_mask = BIT(2),
+ .clk_mask = BIT(2),
+ },
+};
+
+static const struct imx8m_blk_ctrl_data imx8mm_vpu_blk_ctl_dev_data = {
+ .max_reg = 0x18,
+ .power_notifier_fn = imx8mm_vpu_power_notifier,
+ .domains = imx8mm_vpu_blk_ctl_domain_data,
+ .num_domains = ARRAY_SIZE(imx8mm_vpu_blk_ctl_domain_data),
+};
+
+static const struct imx8m_blk_ctrl_domain_data imx8mp_vpu_blk_ctl_domain_data[] = {
+ [IMX8MP_VPUBLK_PD_G1] = {
+ .name = "vpublk-g1",
+ .clk_names = (const char *[]){ "g1", },
+ .num_clks = 1,
+ .gpc_name = "g1",
+ .rst_mask = BIT(1),
+ .clk_mask = BIT(1),
+ .path_names = (const char *[]){"g1"},
+ .num_paths = 1,
+ },
+ [IMX8MP_VPUBLK_PD_G2] = {
+ .name = "vpublk-g2",
+ .clk_names = (const char *[]){ "g2", },
+ .num_clks = 1,
+ .gpc_name = "g2",
+ .rst_mask = BIT(0),
+ .clk_mask = BIT(0),
+ .path_names = (const char *[]){"g2"},
+ .num_paths = 1,
+ },
+ [IMX8MP_VPUBLK_PD_VC8000E] = {
+ .name = "vpublk-vc8000e",
+ .clk_names = (const char *[]){ "vc8000e", },
+ .num_clks = 1,
+ .gpc_name = "vc8000e",
+ .rst_mask = BIT(2),
+ .clk_mask = BIT(2),
+ .path_names = (const char *[]){"vc8000e"},
+ .num_paths = 1,
+ },
+};
+
+static const struct imx8m_blk_ctrl_data imx8mp_vpu_blk_ctl_dev_data = {
+ .max_reg = 0x18,
+ .power_notifier_fn = imx8mm_vpu_power_notifier,
+ .domains = imx8mp_vpu_blk_ctl_domain_data,
+ .num_domains = ARRAY_SIZE(imx8mp_vpu_blk_ctl_domain_data),
+};
+
+static int imx8mm_disp_power_notifier(struct notifier_block *nb,
+ unsigned long action, void *data)
+{
+ struct imx8m_blk_ctrl *bc = container_of(nb, struct imx8m_blk_ctrl,
+ power_nb);
+
+ if (action != GENPD_NOTIFY_ON && action != GENPD_NOTIFY_PRE_OFF)
+ return NOTIFY_OK;
+
+ /* Enable bus clock and deassert bus reset */
+ regmap_set_bits(bc->regmap, BLK_CLK_EN, BIT(12));
+ regmap_set_bits(bc->regmap, BLK_SFT_RSTN, BIT(6));
+
+ /*
+ * On power up we have no software backchannel to the GPC to
+ * wait for the ADB handshake to happen, so we just delay for a
+ * bit. On power down the GPC driver waits for the handshake.
+ */
+ if (action == GENPD_NOTIFY_ON)
+ udelay(5);
+
+
+ return NOTIFY_OK;
+}
+
+static const struct imx8m_blk_ctrl_domain_data imx8mm_disp_blk_ctl_domain_data[] = {
+ [IMX8MM_DISPBLK_PD_CSI_BRIDGE] = {
+ .name = "dispblk-csi-bridge",
+ .clk_names = (const char *[]){ "csi-bridge-axi", "csi-bridge-apb",
+ "csi-bridge-core", },
+ .num_clks = 3,
+ .gpc_name = "csi-bridge",
+ .rst_mask = BIT(0) | BIT(1) | BIT(2),
+ .clk_mask = BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5),
+ },
+ [IMX8MM_DISPBLK_PD_LCDIF] = {
+ .name = "dispblk-lcdif",
+ .clk_names = (const char *[]){ "lcdif-axi", "lcdif-apb", "lcdif-pix", },
+ .num_clks = 3,
+ .gpc_name = "lcdif",
+ .clk_mask = BIT(6) | BIT(7),
+ },
+ [IMX8MM_DISPBLK_PD_MIPI_DSI] = {
+ .name = "dispblk-mipi-dsi",
+ .clk_names = (const char *[]){ "dsi-pclk", "dsi-ref", },
+ .num_clks = 2,
+ .gpc_name = "mipi-dsi",
+ .rst_mask = BIT(5),
+ .clk_mask = BIT(8) | BIT(9),
+ .mipi_phy_rst_mask = BIT(17),
+ },
+ [IMX8MM_DISPBLK_PD_MIPI_CSI] = {
+ .name = "dispblk-mipi-csi",
+ .clk_names = (const char *[]){ "csi-aclk", "csi-pclk" },
+ .num_clks = 2,
+ .gpc_name = "mipi-csi",
+ .rst_mask = BIT(3) | BIT(4),
+ .clk_mask = BIT(10) | BIT(11),
+ .mipi_phy_rst_mask = BIT(16),
+ },
+};
+
+static const struct imx8m_blk_ctrl_data imx8mm_disp_blk_ctl_dev_data = {
+ .max_reg = 0x2c,
+ .power_notifier_fn = imx8mm_disp_power_notifier,
+ .domains = imx8mm_disp_blk_ctl_domain_data,
+ .num_domains = ARRAY_SIZE(imx8mm_disp_blk_ctl_domain_data),
+};
+
+
+static int imx8mn_disp_power_notifier(struct notifier_block *nb,
+ unsigned long action, void *data)
+{
+ struct imx8m_blk_ctrl *bc = container_of(nb, struct imx8m_blk_ctrl,
+ power_nb);
+
+ if (action != GENPD_NOTIFY_ON && action != GENPD_NOTIFY_PRE_OFF)
+ return NOTIFY_OK;
+
+ /* Enable bus clock and deassert bus reset */
+ regmap_set_bits(bc->regmap, BLK_CLK_EN, BIT(8));
+ regmap_set_bits(bc->regmap, BLK_SFT_RSTN, BIT(8));
+
+ /*
+ * On power up we have no software backchannel to the GPC to
+ * wait for the ADB handshake to happen, so we just delay for a
+ * bit. On power down the GPC driver waits for the handshake.
+ */
+ if (action == GENPD_NOTIFY_ON)
+ udelay(5);
+
+
+ return NOTIFY_OK;
+}
+
+static const struct imx8m_blk_ctrl_domain_data imx8mn_disp_blk_ctl_domain_data[] = {
+ [IMX8MN_DISPBLK_PD_MIPI_DSI] = {
+ .name = "dispblk-mipi-dsi",
+ .clk_names = (const char *[]){ "dsi-pclk", "dsi-ref", },
+ .num_clks = 2,
+ .gpc_name = "mipi-dsi",
+ .rst_mask = BIT(0) | BIT(1),
+ .clk_mask = BIT(0) | BIT(1),
+ .mipi_phy_rst_mask = BIT(17),
+ },
+ [IMX8MN_DISPBLK_PD_MIPI_CSI] = {
+ .name = "dispblk-mipi-csi",
+ .clk_names = (const char *[]){ "csi-aclk", "csi-pclk" },
+ .num_clks = 2,
+ .gpc_name = "mipi-csi",
+ .rst_mask = BIT(2) | BIT(3),
+ .clk_mask = BIT(2) | BIT(3),
+ .mipi_phy_rst_mask = BIT(16),
+ },
+ [IMX8MN_DISPBLK_PD_LCDIF] = {
+ .name = "dispblk-lcdif",
+ .clk_names = (const char *[]){ "lcdif-axi", "lcdif-apb", "lcdif-pix", },
+ .num_clks = 3,
+ .gpc_name = "lcdif",
+ .rst_mask = BIT(4) | BIT(5),
+ .clk_mask = BIT(4) | BIT(5),
+ },
+ [IMX8MN_DISPBLK_PD_ISI] = {
+ .name = "dispblk-isi",
+ .clk_names = (const char *[]){ "disp_axi", "disp_apb", "disp_axi_root",
+ "disp_apb_root"},
+ .num_clks = 4,
+ .gpc_name = "isi",
+ .rst_mask = BIT(6) | BIT(7),
+ .clk_mask = BIT(6) | BIT(7),
+ },
+};
+
+static const struct imx8m_blk_ctrl_data imx8mn_disp_blk_ctl_dev_data = {
+ .max_reg = 0x84,
+ .power_notifier_fn = imx8mn_disp_power_notifier,
+ .domains = imx8mn_disp_blk_ctl_domain_data,
+ .num_domains = ARRAY_SIZE(imx8mn_disp_blk_ctl_domain_data),
+};
+
+#define LCDIF_ARCACHE_CTRL 0x4c
+#define LCDIF_1_RD_HURRY GENMASK(15, 13)
+#define LCDIF_0_RD_HURRY GENMASK(12, 10)
+
+static int imx8mp_media_power_notifier(struct notifier_block *nb,
+ unsigned long action, void *data)
+{
+ struct imx8m_blk_ctrl *bc = container_of(nb, struct imx8m_blk_ctrl,
+ power_nb);
+
+ if (action != GENPD_NOTIFY_ON && action != GENPD_NOTIFY_PRE_OFF)
+ return NOTIFY_OK;
+
+ /* Enable bus clock and deassert bus reset */
+ regmap_set_bits(bc->regmap, BLK_CLK_EN, BIT(8));
+ regmap_set_bits(bc->regmap, BLK_SFT_RSTN, BIT(8));
+
+ if (action == GENPD_NOTIFY_ON) {
+ /*
+ * On power up we have no software backchannel to the GPC to
+ * wait for the ADB handshake to happen, so we just delay for a
+ * bit. On power down the GPC driver waits for the handshake.
+ */
+ udelay(5);
+
+ /*
+ * Set panic read hurry level for both LCDIF interfaces to
+ * maximum priority to minimize chances of display FIFO
+ * underflow.
+ */
+ regmap_set_bits(bc->regmap, LCDIF_ARCACHE_CTRL,
+ FIELD_PREP(LCDIF_1_RD_HURRY, 7) |
+ FIELD_PREP(LCDIF_0_RD_HURRY, 7));
+ }
+
+ return NOTIFY_OK;
+}
+
+/*
+ * From i.MX 8M Plus Applications Processor Reference Manual, Rev. 1,
+ * section 13.2.2, 13.2.3
+ * isp-ahb and dwe are not in Figure 13-5. Media BLK_CTRL Clocks
+ */
+static const struct imx8m_blk_ctrl_domain_data imx8mp_media_blk_ctl_domain_data[] = {
+ [IMX8MP_MEDIABLK_PD_MIPI_DSI_1] = {
+ .name = "mediablk-mipi-dsi-1",
+ .clk_names = (const char *[]){ "apb", "phy", },
+ .num_clks = 2,
+ .gpc_name = "mipi-dsi1",
+ .rst_mask = BIT(0) | BIT(1),
+ .clk_mask = BIT(0) | BIT(1),
+ .mipi_phy_rst_mask = BIT(17),
+ },
+ [IMX8MP_MEDIABLK_PD_MIPI_CSI2_1] = {
+ .name = "mediablk-mipi-csi2-1",
+ .clk_names = (const char *[]){ "apb", "cam1" },
+ .num_clks = 2,
+ .gpc_name = "mipi-csi1",
+ .rst_mask = BIT(2) | BIT(3),
+ .clk_mask = BIT(2) | BIT(3),
+ .mipi_phy_rst_mask = BIT(16),
+ },
+ [IMX8MP_MEDIABLK_PD_LCDIF_1] = {
+ .name = "mediablk-lcdif-1",
+ .clk_names = (const char *[]){ "disp1", "apb", "axi", },
+ .num_clks = 3,
+ .gpc_name = "lcdif1",
+ .rst_mask = BIT(4) | BIT(5) | BIT(23),
+ .clk_mask = BIT(4) | BIT(5) | BIT(23),
+ .path_names = (const char *[]){"lcdif-rd", "lcdif-wr"},
+ .num_paths = 2,
+ },
+ [IMX8MP_MEDIABLK_PD_ISI] = {
+ .name = "mediablk-isi",
+ .clk_names = (const char *[]){ "axi", "apb" },
+ .num_clks = 2,
+ .gpc_name = "isi",
+ .rst_mask = BIT(6) | BIT(7),
+ .clk_mask = BIT(6) | BIT(7),
+ .path_names = (const char *[]){"isi0", "isi1", "isi2"},
+ .num_paths = 3,
+ },
+ [IMX8MP_MEDIABLK_PD_MIPI_CSI2_2] = {
+ .name = "mediablk-mipi-csi2-2",
+ .clk_names = (const char *[]){ "apb", "cam2" },
+ .num_clks = 2,
+ .gpc_name = "mipi-csi2",
+ .rst_mask = BIT(9) | BIT(10),
+ .clk_mask = BIT(9) | BIT(10),
+ .mipi_phy_rst_mask = BIT(30),
+ },
+ [IMX8MP_MEDIABLK_PD_LCDIF_2] = {
+ .name = "mediablk-lcdif-2",
+ .clk_names = (const char *[]){ "disp2", "apb", "axi", },
+ .num_clks = 3,
+ .gpc_name = "lcdif2",
+ .rst_mask = BIT(11) | BIT(12) | BIT(24),
+ .clk_mask = BIT(11) | BIT(12) | BIT(24),
+ .path_names = (const char *[]){"lcdif-rd", "lcdif-wr"},
+ .num_paths = 2,
+ },
+ [IMX8MP_MEDIABLK_PD_ISP] = {
+ .name = "mediablk-isp",
+ .clk_names = (const char *[]){ "isp", "axi", "apb" },
+ .num_clks = 3,
+ .gpc_name = "isp",
+ .rst_mask = BIT(16) | BIT(17) | BIT(18),
+ .clk_mask = BIT(16) | BIT(17) | BIT(18),
+ .path_names = (const char *[]){"isp0", "isp1"},
+ .num_paths = 2,
+ },
+ [IMX8MP_MEDIABLK_PD_DWE] = {
+ .name = "mediablk-dwe",
+ .clk_names = (const char *[]){ "axi", "apb" },
+ .num_clks = 2,
+ .gpc_name = "dwe",
+ .rst_mask = BIT(19) | BIT(20) | BIT(21),
+ .clk_mask = BIT(19) | BIT(20) | BIT(21),
+ .path_names = (const char *[]){"dwe"},
+ .num_paths = 1,
+ },
+ [IMX8MP_MEDIABLK_PD_MIPI_DSI_2] = {
+ .name = "mediablk-mipi-dsi-2",
+ .clk_names = (const char *[]){ "phy", },
+ .num_clks = 1,
+ .gpc_name = "mipi-dsi2",
+ .rst_mask = BIT(22),
+ .clk_mask = BIT(22),
+ .mipi_phy_rst_mask = BIT(29),
+ },
+};
+
+static const struct imx8m_blk_ctrl_data imx8mp_media_blk_ctl_dev_data = {
+ .max_reg = 0x138,
+ .power_notifier_fn = imx8mp_media_power_notifier,
+ .domains = imx8mp_media_blk_ctl_domain_data,
+ .num_domains = ARRAY_SIZE(imx8mp_media_blk_ctl_domain_data),
+};
+
+static int imx8mq_vpu_power_notifier(struct notifier_block *nb,
+ unsigned long action, void *data)
+{
+ struct imx8m_blk_ctrl *bc = container_of(nb, struct imx8m_blk_ctrl,
+ power_nb);
+
+ if (action != GENPD_NOTIFY_ON && action != GENPD_NOTIFY_PRE_OFF)
+ return NOTIFY_OK;
+
+ /*
+ * The ADB in the VPUMIX domain has no separate reset and clock
+ * enable bits, but is ungated and reset together with the VPUs. The
+ * reset and clock enable inputs to the ADB is a logical OR of the
+ * VPU bits. In order to set the G2 fuse bits, the G2 clock must
+ * also be enabled.
+ */
+ regmap_set_bits(bc->regmap, BLK_SFT_RSTN, BIT(0) | BIT(1));
+ regmap_set_bits(bc->regmap, BLK_CLK_EN, BIT(0) | BIT(1));
+
+ if (action == GENPD_NOTIFY_ON) {
+ /*
+ * On power up we have no software backchannel to the GPC to
+ * wait for the ADB handshake to happen, so we just delay for a
+ * bit. On power down the GPC driver waits for the handshake.
+ */
+ udelay(5);
+
+ /* set "fuse" bits to enable the VPUs */
+ regmap_set_bits(bc->regmap, 0x8, 0xffffffff);
+ regmap_set_bits(bc->regmap, 0xc, 0xffffffff);
+ regmap_set_bits(bc->regmap, 0x10, 0xffffffff);
+ }
+
+ return NOTIFY_OK;
+}
+
+static const struct imx8m_blk_ctrl_domain_data imx8mq_vpu_blk_ctl_domain_data[] = {
+ [IMX8MQ_VPUBLK_PD_G1] = {
+ .name = "vpublk-g1",
+ .clk_names = (const char *[]){ "g1", },
+ .num_clks = 1,
+ .gpc_name = "g1",
+ .rst_mask = BIT(1),
+ .clk_mask = BIT(1),
+ },
+ [IMX8MQ_VPUBLK_PD_G2] = {
+ .name = "vpublk-g2",
+ .clk_names = (const char *[]){ "g2", },
+ .num_clks = 1,
+ .gpc_name = "g2",
+ .rst_mask = BIT(0),
+ .clk_mask = BIT(0),
+ },
+};
+
+static const struct imx8m_blk_ctrl_data imx8mq_vpu_blk_ctl_dev_data = {
+ .max_reg = 0x14,
+ .power_notifier_fn = imx8mq_vpu_power_notifier,
+ .domains = imx8mq_vpu_blk_ctl_domain_data,
+ .num_domains = ARRAY_SIZE(imx8mq_vpu_blk_ctl_domain_data),
+};
+
+static const struct of_device_id imx8m_blk_ctrl_of_match[] = {
+ {
+ .compatible = "fsl,imx8mm-vpu-blk-ctrl",
+ .data = &imx8mm_vpu_blk_ctl_dev_data
+ }, {
+ .compatible = "fsl,imx8mm-disp-blk-ctrl",
+ .data = &imx8mm_disp_blk_ctl_dev_data
+ }, {
+ .compatible = "fsl,imx8mn-disp-blk-ctrl",
+ .data = &imx8mn_disp_blk_ctl_dev_data
+ }, {
+ .compatible = "fsl,imx8mp-media-blk-ctrl",
+ .data = &imx8mp_media_blk_ctl_dev_data
+ }, {
+ .compatible = "fsl,imx8mq-vpu-blk-ctrl",
+ .data = &imx8mq_vpu_blk_ctl_dev_data
+ }, {
+ .compatible = "fsl,imx8mp-vpu-blk-ctrl",
+ .data = &imx8mp_vpu_blk_ctl_dev_data
+ }, {
+ /* Sentinel */
+ }
+};
+MODULE_DEVICE_TABLE(of, imx8m_blk_ctrl_of_match);
+
+static struct platform_driver imx8m_blk_ctrl_driver = {
+ .probe = imx8m_blk_ctrl_probe,
+ .remove = imx8m_blk_ctrl_remove,
+ .driver = {
+ .name = "imx8m-blk-ctrl",
+ .pm = &imx8m_blk_ctrl_pm_ops,
+ .of_match_table = imx8m_blk_ctrl_of_match,
+ },
+};
+module_platform_driver(imx8m_blk_ctrl_driver);
+MODULE_LICENSE("GPL");
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+
+/*
+ * Copyright 2022 Pengutronix, Lucas Stach <kernel@pengutronix.de>
+ */
+
+#include <linux/bitfield.h>
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/device.h>
+#include <linux/interconnect.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+
+#include <dt-bindings/power/imx8mp-power.h>
+
+#define GPR_REG0 0x0
+#define PCIE_CLOCK_MODULE_EN BIT(0)
+#define USB_CLOCK_MODULE_EN BIT(1)
+#define PCIE_PHY_APB_RST BIT(4)
+#define PCIE_PHY_INIT_RST BIT(5)
+#define GPR_REG1 0x4
+#define PLL_LOCK BIT(13)
+#define GPR_REG2 0x8
+#define P_PLL_MASK GENMASK(5, 0)
+#define M_PLL_MASK GENMASK(15, 6)
+#define S_PLL_MASK GENMASK(18, 16)
+#define GPR_REG3 0xc
+#define PLL_CKE BIT(17)
+#define PLL_RST BIT(31)
+
+struct imx8mp_blk_ctrl_domain;
+
+struct imx8mp_blk_ctrl {
+ struct device *dev;
+ struct notifier_block power_nb;
+ struct device *bus_power_dev;
+ struct regmap *regmap;
+ struct imx8mp_blk_ctrl_domain *domains;
+ struct genpd_onecell_data onecell_data;
+ void (*power_off) (struct imx8mp_blk_ctrl *bc, struct imx8mp_blk_ctrl_domain *domain);
+ void (*power_on) (struct imx8mp_blk_ctrl *bc, struct imx8mp_blk_ctrl_domain *domain);
+};
+
+struct imx8mp_blk_ctrl_domain_data {
+ const char *name;
+ const char * const *clk_names;
+ int num_clks;
+ const char * const *path_names;
+ int num_paths;
+ const char *gpc_name;
+};
+
+#define DOMAIN_MAX_CLKS 2
+#define DOMAIN_MAX_PATHS 3
+
+struct imx8mp_blk_ctrl_domain {
+ struct generic_pm_domain genpd;
+ const struct imx8mp_blk_ctrl_domain_data *data;
+ struct clk_bulk_data clks[DOMAIN_MAX_CLKS];
+ struct icc_bulk_data paths[DOMAIN_MAX_PATHS];
+ struct device *power_dev;
+ struct imx8mp_blk_ctrl *bc;
+ int num_paths;
+ int id;
+};
+
+struct imx8mp_blk_ctrl_data {
+ int max_reg;
+ int (*probe) (struct imx8mp_blk_ctrl *bc);
+ notifier_fn_t power_notifier_fn;
+ void (*power_off) (struct imx8mp_blk_ctrl *bc, struct imx8mp_blk_ctrl_domain *domain);
+ void (*power_on) (struct imx8mp_blk_ctrl *bc, struct imx8mp_blk_ctrl_domain *domain);
+ const struct imx8mp_blk_ctrl_domain_data *domains;
+ int num_domains;
+};
+
+static inline struct imx8mp_blk_ctrl_domain *
+to_imx8mp_blk_ctrl_domain(struct generic_pm_domain *genpd)
+{
+ return container_of(genpd, struct imx8mp_blk_ctrl_domain, genpd);
+}
+
+struct clk_hsio_pll {
+ struct clk_hw hw;
+ struct regmap *regmap;
+};
+
+static inline struct clk_hsio_pll *to_clk_hsio_pll(struct clk_hw *hw)
+{
+ return container_of(hw, struct clk_hsio_pll, hw);
+}
+
+static int clk_hsio_pll_prepare(struct clk_hw *hw)
+{
+ struct clk_hsio_pll *clk = to_clk_hsio_pll(hw);
+ u32 val;
+
+ /* set the PLL configuration */
+ regmap_update_bits(clk->regmap, GPR_REG2,
+ P_PLL_MASK | M_PLL_MASK | S_PLL_MASK,
+ FIELD_PREP(P_PLL_MASK, 12) |
+ FIELD_PREP(M_PLL_MASK, 800) |
+ FIELD_PREP(S_PLL_MASK, 4));
+
+ /* de-assert PLL reset */
+ regmap_update_bits(clk->regmap, GPR_REG3, PLL_RST, PLL_RST);
+
+ /* enable PLL */
+ regmap_update_bits(clk->regmap, GPR_REG3, PLL_CKE, PLL_CKE);
+
+ return regmap_read_poll_timeout(clk->regmap, GPR_REG1, val,
+ val & PLL_LOCK, 10, 100);
+}
+
+static void clk_hsio_pll_unprepare(struct clk_hw *hw)
+{
+ struct clk_hsio_pll *clk = to_clk_hsio_pll(hw);
+
+ regmap_update_bits(clk->regmap, GPR_REG3, PLL_RST | PLL_CKE, 0);
+}
+
+static int clk_hsio_pll_is_prepared(struct clk_hw *hw)
+{
+ struct clk_hsio_pll *clk = to_clk_hsio_pll(hw);
+
+ return regmap_test_bits(clk->regmap, GPR_REG1, PLL_LOCK);
+}
+
+static unsigned long clk_hsio_pll_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ return 100000000;
+}
+
+static const struct clk_ops clk_hsio_pll_ops = {
+ .prepare = clk_hsio_pll_prepare,
+ .unprepare = clk_hsio_pll_unprepare,
+ .is_prepared = clk_hsio_pll_is_prepared,
+ .recalc_rate = clk_hsio_pll_recalc_rate,
+};
+
+static int imx8mp_hsio_blk_ctrl_probe(struct imx8mp_blk_ctrl *bc)
+{
+ struct clk_hsio_pll *clk_hsio_pll;
+ struct clk_hw *hw;
+ struct clk_init_data init = {};
+ int ret;
+
+ clk_hsio_pll = devm_kzalloc(bc->dev, sizeof(*clk_hsio_pll), GFP_KERNEL);
+ if (!clk_hsio_pll)
+ return -ENOMEM;
+
+ init.name = "hsio_pll";
+ init.ops = &clk_hsio_pll_ops;
+ init.parent_names = (const char *[]){"osc_24m"};
+ init.num_parents = 1;
+
+ clk_hsio_pll->regmap = bc->regmap;
+ clk_hsio_pll->hw.init = &init;
+
+ hw = &clk_hsio_pll->hw;
+ ret = devm_clk_hw_register(bc->bus_power_dev, hw);
+ if (ret)
+ return ret;
+
+ return devm_of_clk_add_hw_provider(bc->dev, of_clk_hw_simple_get, hw);
+}
+
+static void imx8mp_hsio_blk_ctrl_power_on(struct imx8mp_blk_ctrl *bc,
+ struct imx8mp_blk_ctrl_domain *domain)
+{
+ switch (domain->id) {
+ case IMX8MP_HSIOBLK_PD_USB:
+ regmap_set_bits(bc->regmap, GPR_REG0, USB_CLOCK_MODULE_EN);
+ break;
+ case IMX8MP_HSIOBLK_PD_PCIE:
+ regmap_set_bits(bc->regmap, GPR_REG0, PCIE_CLOCK_MODULE_EN);
+ break;
+ case IMX8MP_HSIOBLK_PD_PCIE_PHY:
+ regmap_set_bits(bc->regmap, GPR_REG0,
+ PCIE_PHY_APB_RST | PCIE_PHY_INIT_RST);
+ break;
+ default:
+ break;
+ }
+}
+
+static void imx8mp_hsio_blk_ctrl_power_off(struct imx8mp_blk_ctrl *bc,
+ struct imx8mp_blk_ctrl_domain *domain)
+{
+ switch (domain->id) {
+ case IMX8MP_HSIOBLK_PD_USB:
+ regmap_clear_bits(bc->regmap, GPR_REG0, USB_CLOCK_MODULE_EN);
+ break;
+ case IMX8MP_HSIOBLK_PD_PCIE:
+ regmap_clear_bits(bc->regmap, GPR_REG0, PCIE_CLOCK_MODULE_EN);
+ break;
+ case IMX8MP_HSIOBLK_PD_PCIE_PHY:
+ regmap_clear_bits(bc->regmap, GPR_REG0,
+ PCIE_PHY_APB_RST | PCIE_PHY_INIT_RST);
+ break;
+ default:
+ break;
+ }
+}
+
+static int imx8mp_hsio_power_notifier(struct notifier_block *nb,
+ unsigned long action, void *data)
+{
+ struct imx8mp_blk_ctrl *bc = container_of(nb, struct imx8mp_blk_ctrl,
+ power_nb);
+ struct clk_bulk_data *usb_clk = bc->domains[IMX8MP_HSIOBLK_PD_USB].clks;
+ int num_clks = bc->domains[IMX8MP_HSIOBLK_PD_USB].data->num_clks;
+ int ret;
+
+ switch (action) {
+ case GENPD_NOTIFY_ON:
+ /*
+ * enable USB clock for a moment for the power-on ADB handshake
+ * to proceed
+ */
+ ret = clk_bulk_prepare_enable(num_clks, usb_clk);
+ if (ret)
+ return NOTIFY_BAD;
+ regmap_set_bits(bc->regmap, GPR_REG0, USB_CLOCK_MODULE_EN);
+
+ udelay(5);
+
+ regmap_clear_bits(bc->regmap, GPR_REG0, USB_CLOCK_MODULE_EN);
+ clk_bulk_disable_unprepare(num_clks, usb_clk);
+ break;
+ case GENPD_NOTIFY_PRE_OFF:
+ /* enable USB clock for the power-down ADB handshake to work */
+ ret = clk_bulk_prepare_enable(num_clks, usb_clk);
+ if (ret)
+ return NOTIFY_BAD;
+
+ regmap_set_bits(bc->regmap, GPR_REG0, USB_CLOCK_MODULE_EN);
+ break;
+ case GENPD_NOTIFY_OFF:
+ clk_bulk_disable_unprepare(num_clks, usb_clk);
+ break;
+ default:
+ break;
+ }
+
+ return NOTIFY_OK;
+}
+
+static const struct imx8mp_blk_ctrl_domain_data imx8mp_hsio_domain_data[] = {
+ [IMX8MP_HSIOBLK_PD_USB] = {
+ .name = "hsioblk-usb",
+ .clk_names = (const char *[]){ "usb" },
+ .num_clks = 1,
+ .gpc_name = "usb",
+ .path_names = (const char *[]){"usb1", "usb2"},
+ .num_paths = 2,
+ },
+ [IMX8MP_HSIOBLK_PD_USB_PHY1] = {
+ .name = "hsioblk-usb-phy1",
+ .gpc_name = "usb-phy1",
+ },
+ [IMX8MP_HSIOBLK_PD_USB_PHY2] = {
+ .name = "hsioblk-usb-phy2",
+ .gpc_name = "usb-phy2",
+ },
+ [IMX8MP_HSIOBLK_PD_PCIE] = {
+ .name = "hsioblk-pcie",
+ .clk_names = (const char *[]){ "pcie" },
+ .num_clks = 1,
+ .gpc_name = "pcie",
+ .path_names = (const char *[]){"noc-pcie", "pcie"},
+ .num_paths = 2,
+ },
+ [IMX8MP_HSIOBLK_PD_PCIE_PHY] = {
+ .name = "hsioblk-pcie-phy",
+ .gpc_name = "pcie-phy",
+ },
+};
+
+static const struct imx8mp_blk_ctrl_data imx8mp_hsio_blk_ctl_dev_data = {
+ .max_reg = 0x24,
+ .probe = imx8mp_hsio_blk_ctrl_probe,
+ .power_on = imx8mp_hsio_blk_ctrl_power_on,
+ .power_off = imx8mp_hsio_blk_ctrl_power_off,
+ .power_notifier_fn = imx8mp_hsio_power_notifier,
+ .domains = imx8mp_hsio_domain_data,
+ .num_domains = ARRAY_SIZE(imx8mp_hsio_domain_data),
+};
+
+#define HDMI_RTX_RESET_CTL0 0x20
+#define HDMI_RTX_CLK_CTL0 0x40
+#define HDMI_RTX_CLK_CTL1 0x50
+#define HDMI_RTX_CLK_CTL2 0x60
+#define HDMI_RTX_CLK_CTL3 0x70
+#define HDMI_RTX_CLK_CTL4 0x80
+#define HDMI_TX_CONTROL0 0x200
+#define HDMI_LCDIF_NOC_HURRY_MASK GENMASK(14, 12)
+
+static void imx8mp_hdmi_blk_ctrl_power_on(struct imx8mp_blk_ctrl *bc,
+ struct imx8mp_blk_ctrl_domain *domain)
+{
+ switch (domain->id) {
+ case IMX8MP_HDMIBLK_PD_IRQSTEER:
+ regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(9));
+ regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(16));
+ break;
+ case IMX8MP_HDMIBLK_PD_LCDIF:
+ regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0,
+ BIT(16) | BIT(17) | BIT(18) |
+ BIT(19) | BIT(20));
+ regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(11));
+ regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0,
+ BIT(4) | BIT(5) | BIT(6));
+ regmap_set_bits(bc->regmap, HDMI_TX_CONTROL0,
+ FIELD_PREP(HDMI_LCDIF_NOC_HURRY_MASK, 7));
+ break;
+ case IMX8MP_HDMIBLK_PD_PAI:
+ regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(17));
+ regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(18));
+ break;
+ case IMX8MP_HDMIBLK_PD_PVI:
+ regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(28));
+ regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(22));
+ break;
+ case IMX8MP_HDMIBLK_PD_TRNG:
+ regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(27) | BIT(30));
+ regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(20));
+ break;
+ case IMX8MP_HDMIBLK_PD_HDMI_TX:
+ regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0,
+ BIT(2) | BIT(4) | BIT(5));
+ regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1,
+ BIT(12) | BIT(13) | BIT(14) | BIT(15) | BIT(16) |
+ BIT(18) | BIT(19) | BIT(20) | BIT(21));
+ regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0,
+ BIT(7) | BIT(10) | BIT(11));
+ regmap_set_bits(bc->regmap, HDMI_TX_CONTROL0, BIT(1));
+ break;
+ case IMX8MP_HDMIBLK_PD_HDMI_TX_PHY:
+ regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(7));
+ regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(22) | BIT(24));
+ regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(12));
+ regmap_clear_bits(bc->regmap, HDMI_TX_CONTROL0, BIT(3));
+ break;
+ case IMX8MP_HDMIBLK_PD_HDCP:
+ regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(11));
+ break;
+ case IMX8MP_HDMIBLK_PD_HRV:
+ regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(3) | BIT(4) | BIT(5));
+ regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(15));
+ break;
+ default:
+ break;
+ }
+}
+
+static void imx8mp_hdmi_blk_ctrl_power_off(struct imx8mp_blk_ctrl *bc,
+ struct imx8mp_blk_ctrl_domain *domain)
+{
+ switch (domain->id) {
+ case IMX8MP_HDMIBLK_PD_IRQSTEER:
+ regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(9));
+ regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(16));
+ break;
+ case IMX8MP_HDMIBLK_PD_LCDIF:
+ regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0,
+ BIT(4) | BIT(5) | BIT(6));
+ regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(11));
+ regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL0,
+ BIT(16) | BIT(17) | BIT(18) |
+ BIT(19) | BIT(20));
+ break;
+ case IMX8MP_HDMIBLK_PD_PAI:
+ regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(18));
+ regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(17));
+ break;
+ case IMX8MP_HDMIBLK_PD_PVI:
+ regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(22));
+ regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(28));
+ break;
+ case IMX8MP_HDMIBLK_PD_TRNG:
+ regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(20));
+ regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(27) | BIT(30));
+ break;
+ case IMX8MP_HDMIBLK_PD_HDMI_TX:
+ regmap_clear_bits(bc->regmap, HDMI_TX_CONTROL0, BIT(1));
+ regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0,
+ BIT(7) | BIT(10) | BIT(11));
+ regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1,
+ BIT(12) | BIT(13) | BIT(14) | BIT(15) | BIT(16) |
+ BIT(18) | BIT(19) | BIT(20) | BIT(21));
+ regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL0,
+ BIT(2) | BIT(4) | BIT(5));
+ break;
+ case IMX8MP_HDMIBLK_PD_HDMI_TX_PHY:
+ regmap_set_bits(bc->regmap, HDMI_TX_CONTROL0, BIT(3));
+ regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(12));
+ regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(7));
+ regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(22) | BIT(24));
+ break;
+ case IMX8MP_HDMIBLK_PD_HDCP:
+ regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(11));
+ break;
+ case IMX8MP_HDMIBLK_PD_HRV:
+ regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(15));
+ regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(3) | BIT(4) | BIT(5));
+ break;
+ default:
+ break;
+ }
+}
+
+static int imx8mp_hdmi_power_notifier(struct notifier_block *nb,
+ unsigned long action, void *data)
+{
+ struct imx8mp_blk_ctrl *bc = container_of(nb, struct imx8mp_blk_ctrl,
+ power_nb);
+
+ if (action != GENPD_NOTIFY_ON)
+ return NOTIFY_OK;
+
+ /*
+ * Contrary to other blk-ctrls the reset and clock don't clear when the
+ * power domain is powered down. To ensure the proper reset pulsing,
+ * first clear them all to asserted state, then enable the bus clocks
+ * and then release the ADB reset.
+ */
+ regmap_write(bc->regmap, HDMI_RTX_RESET_CTL0, 0x0);
+ regmap_write(bc->regmap, HDMI_RTX_CLK_CTL0, 0x0);
+ regmap_write(bc->regmap, HDMI_RTX_CLK_CTL1, 0x0);
+ regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0,
+ BIT(0) | BIT(1) | BIT(10));
+ regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(0));
+
+ /*
+ * On power up we have no software backchannel to the GPC to
+ * wait for the ADB handshake to happen, so we just delay for a
+ * bit. On power down the GPC driver waits for the handshake.
+ */
+ udelay(5);
+
+ return NOTIFY_OK;
+}
+
+static const struct imx8mp_blk_ctrl_domain_data imx8mp_hdmi_domain_data[] = {
+ [IMX8MP_HDMIBLK_PD_IRQSTEER] = {
+ .name = "hdmiblk-irqsteer",
+ .clk_names = (const char *[]){ "apb" },
+ .num_clks = 1,
+ .gpc_name = "irqsteer",
+ },
+ [IMX8MP_HDMIBLK_PD_LCDIF] = {
+ .name = "hdmiblk-lcdif",
+ .clk_names = (const char *[]){ "axi", "apb" },
+ .num_clks = 2,
+ .gpc_name = "lcdif",
+ .path_names = (const char *[]){"lcdif-hdmi"},
+ .num_paths = 1,
+ },
+ [IMX8MP_HDMIBLK_PD_PAI] = {
+ .name = "hdmiblk-pai",
+ .clk_names = (const char *[]){ "apb" },
+ .num_clks = 1,
+ .gpc_name = "pai",
+ },
+ [IMX8MP_HDMIBLK_PD_PVI] = {
+ .name = "hdmiblk-pvi",
+ .clk_names = (const char *[]){ "apb" },
+ .num_clks = 1,
+ .gpc_name = "pvi",
+ },
+ [IMX8MP_HDMIBLK_PD_TRNG] = {
+ .name = "hdmiblk-trng",
+ .clk_names = (const char *[]){ "apb" },
+ .num_clks = 1,
+ .gpc_name = "trng",
+ },
+ [IMX8MP_HDMIBLK_PD_HDMI_TX] = {
+ .name = "hdmiblk-hdmi-tx",
+ .clk_names = (const char *[]){ "apb", "ref_266m" },
+ .num_clks = 2,
+ .gpc_name = "hdmi-tx",
+ },
+ [IMX8MP_HDMIBLK_PD_HDMI_TX_PHY] = {
+ .name = "hdmiblk-hdmi-tx-phy",
+ .clk_names = (const char *[]){ "apb", "ref_24m" },
+ .num_clks = 2,
+ .gpc_name = "hdmi-tx-phy",
+ },
+ [IMX8MP_HDMIBLK_PD_HRV] = {
+ .name = "hdmiblk-hrv",
+ .clk_names = (const char *[]){ "axi", "apb" },
+ .num_clks = 2,
+ .gpc_name = "hrv",
+ .path_names = (const char *[]){"hrv"},
+ .num_paths = 1,
+ },
+ [IMX8MP_HDMIBLK_PD_HDCP] = {
+ .name = "hdmiblk-hdcp",
+ .clk_names = (const char *[]){ "axi", "apb" },
+ .num_clks = 2,
+ .gpc_name = "hdcp",
+ .path_names = (const char *[]){"hdcp"},
+ .num_paths = 1,
+ },
+};
+
+static const struct imx8mp_blk_ctrl_data imx8mp_hdmi_blk_ctl_dev_data = {
+ .max_reg = 0x23c,
+ .power_on = imx8mp_hdmi_blk_ctrl_power_on,
+ .power_off = imx8mp_hdmi_blk_ctrl_power_off,
+ .power_notifier_fn = imx8mp_hdmi_power_notifier,
+ .domains = imx8mp_hdmi_domain_data,
+ .num_domains = ARRAY_SIZE(imx8mp_hdmi_domain_data),
+};
+
+static int imx8mp_blk_ctrl_power_on(struct generic_pm_domain *genpd)
+{
+ struct imx8mp_blk_ctrl_domain *domain = to_imx8mp_blk_ctrl_domain(genpd);
+ const struct imx8mp_blk_ctrl_domain_data *data = domain->data;
+ struct imx8mp_blk_ctrl *bc = domain->bc;
+ int ret;
+
+ /* make sure bus domain is awake */
+ ret = pm_runtime_resume_and_get(bc->bus_power_dev);
+ if (ret < 0) {
+ dev_err(bc->dev, "failed to power up bus domain\n");
+ return ret;
+ }
+
+ /* enable upstream clocks */
+ ret = clk_bulk_prepare_enable(data->num_clks, domain->clks);
+ if (ret) {
+ dev_err(bc->dev, "failed to enable clocks\n");
+ goto bus_put;
+ }
+
+ /* domain specific blk-ctrl manipulation */
+ bc->power_on(bc, domain);
+
+ /* power up upstream GPC domain */
+ ret = pm_runtime_resume_and_get(domain->power_dev);
+ if (ret < 0) {
+ dev_err(bc->dev, "failed to power up peripheral domain\n");
+ goto clk_disable;
+ }
+
+ ret = icc_bulk_set_bw(domain->num_paths, domain->paths);
+ if (ret)
+ dev_err(bc->dev, "failed to set icc bw\n");
+
+ clk_bulk_disable_unprepare(data->num_clks, domain->clks);
+
+ return 0;
+
+clk_disable:
+ clk_bulk_disable_unprepare(data->num_clks, domain->clks);
+bus_put:
+ pm_runtime_put(bc->bus_power_dev);
+
+ return ret;
+}
+
+static int imx8mp_blk_ctrl_power_off(struct generic_pm_domain *genpd)
+{
+ struct imx8mp_blk_ctrl_domain *domain = to_imx8mp_blk_ctrl_domain(genpd);
+ const struct imx8mp_blk_ctrl_domain_data *data = domain->data;
+ struct imx8mp_blk_ctrl *bc = domain->bc;
+ int ret;
+
+ ret = clk_bulk_prepare_enable(data->num_clks, domain->clks);
+ if (ret) {
+ dev_err(bc->dev, "failed to enable clocks\n");
+ return ret;
+ }
+
+ /* domain specific blk-ctrl manipulation */
+ bc->power_off(bc, domain);
+
+ clk_bulk_disable_unprepare(data->num_clks, domain->clks);
+
+ /* power down upstream GPC domain */
+ pm_runtime_put(domain->power_dev);
+
+ /* allow bus domain to suspend */
+ pm_runtime_put(bc->bus_power_dev);
+
+ return 0;
+}
+
+static struct lock_class_key blk_ctrl_genpd_lock_class;
+
+static int imx8mp_blk_ctrl_probe(struct platform_device *pdev)
+{
+ const struct imx8mp_blk_ctrl_data *bc_data;
+ struct device *dev = &pdev->dev;
+ struct imx8mp_blk_ctrl *bc;
+ void __iomem *base;
+ int num_domains, i, ret;
+
+ struct regmap_config regmap_config = {
+ .reg_bits = 32,
+ .val_bits = 32,
+ .reg_stride = 4,
+ };
+
+ bc = devm_kzalloc(dev, sizeof(*bc), GFP_KERNEL);
+ if (!bc)
+ return -ENOMEM;
+
+ bc->dev = dev;
+
+ bc_data = of_device_get_match_data(dev);
+ num_domains = bc_data->num_domains;
+
+ base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ regmap_config.max_register = bc_data->max_reg;
+ bc->regmap = devm_regmap_init_mmio(dev, base, ®map_config);
+ if (IS_ERR(bc->regmap))
+ return dev_err_probe(dev, PTR_ERR(bc->regmap),
+ "failed to init regmap\n");
+
+ bc->domains = devm_kcalloc(dev, num_domains,
+ sizeof(struct imx8mp_blk_ctrl_domain),
+ GFP_KERNEL);
+ if (!bc->domains)
+ return -ENOMEM;
+
+ bc->onecell_data.num_domains = num_domains;
+ bc->onecell_data.domains =
+ devm_kcalloc(dev, num_domains,
+ sizeof(struct generic_pm_domain *), GFP_KERNEL);
+ if (!bc->onecell_data.domains)
+ return -ENOMEM;
+
+ bc->bus_power_dev = dev_pm_domain_attach_by_name(dev, "bus");
+ if (IS_ERR(bc->bus_power_dev))
+ return dev_err_probe(dev, PTR_ERR(bc->bus_power_dev),
+ "failed to attach bus power domain\n");
+
+ bc->power_off = bc_data->power_off;
+ bc->power_on = bc_data->power_on;
+
+ for (i = 0; i < num_domains; i++) {
+ const struct imx8mp_blk_ctrl_domain_data *data = &bc_data->domains[i];
+ struct imx8mp_blk_ctrl_domain *domain = &bc->domains[i];
+ int j;
+
+ domain->data = data;
+ domain->num_paths = data->num_paths;
+
+ for (j = 0; j < data->num_clks; j++)
+ domain->clks[j].id = data->clk_names[j];
+
+ for (j = 0; j < data->num_paths; j++) {
+ domain->paths[j].name = data->path_names[j];
+ /* Fake value for now, just let ICC could configure NoC mode/priority */
+ domain->paths[j].avg_bw = 1;
+ domain->paths[j].peak_bw = 1;
+ }
+
+ ret = devm_of_icc_bulk_get(dev, data->num_paths, domain->paths);
+ if (ret) {
+ if (ret != -EPROBE_DEFER) {
+ dev_warn_once(dev, "Could not get interconnect paths, NoC will stay unconfigured!\n");
+ domain->num_paths = 0;
+ } else {
+ dev_err_probe(dev, ret, "failed to get noc entries\n");
+ goto cleanup_pds;
+ }
+ }
+
+ ret = devm_clk_bulk_get(dev, data->num_clks, domain->clks);
+ if (ret) {
+ dev_err_probe(dev, ret, "failed to get clock\n");
+ goto cleanup_pds;
+ }
+
+ domain->power_dev =
+ dev_pm_domain_attach_by_name(dev, data->gpc_name);
+ if (IS_ERR(domain->power_dev)) {
+ dev_err_probe(dev, PTR_ERR(domain->power_dev),
+ "failed to attach power domain %s\n",
+ data->gpc_name);
+ ret = PTR_ERR(domain->power_dev);
+ goto cleanup_pds;
+ }
+
+ domain->genpd.name = data->name;
+ domain->genpd.power_on = imx8mp_blk_ctrl_power_on;
+ domain->genpd.power_off = imx8mp_blk_ctrl_power_off;
+ domain->bc = bc;
+ domain->id = i;
+
+ ret = pm_genpd_init(&domain->genpd, NULL, true);
+ if (ret) {
+ dev_err_probe(dev, ret, "failed to init power domain\n");
+ dev_pm_domain_detach(domain->power_dev, true);
+ goto cleanup_pds;
+ }
+
+ /*
+ * We use runtime PM to trigger power on/off of the upstream GPC
+ * domain, as a strict hierarchical parent/child power domain
+ * setup doesn't allow us to meet the sequencing requirements.
+ * This means we have nested locking of genpd locks, without the
+ * nesting being visible at the genpd level, so we need a
+ * separate lock class to make lockdep aware of the fact that
+ * this are separate domain locks that can be nested without a
+ * self-deadlock.
+ */
+ lockdep_set_class(&domain->genpd.mlock,
+ &blk_ctrl_genpd_lock_class);
+
+ bc->onecell_data.domains[i] = &domain->genpd;
+ }
+
+ ret = of_genpd_add_provider_onecell(dev->of_node, &bc->onecell_data);
+ if (ret) {
+ dev_err_probe(dev, ret, "failed to add power domain provider\n");
+ goto cleanup_pds;
+ }
+
+ bc->power_nb.notifier_call = bc_data->power_notifier_fn;
+ ret = dev_pm_genpd_add_notifier(bc->bus_power_dev, &bc->power_nb);
+ if (ret) {
+ dev_err_probe(dev, ret, "failed to add power notifier\n");
+ goto cleanup_provider;
+ }
+
+ if (bc_data->probe) {
+ ret = bc_data->probe(bc);
+ if (ret)
+ goto cleanup_provider;
+ }
+
+ dev_set_drvdata(dev, bc);
+
+ return 0;
+
+cleanup_provider:
+ of_genpd_del_provider(dev->of_node);
+cleanup_pds:
+ for (i--; i >= 0; i--) {
+ pm_genpd_remove(&bc->domains[i].genpd);
+ dev_pm_domain_detach(bc->domains[i].power_dev, true);
+ }
+
+ dev_pm_domain_detach(bc->bus_power_dev, true);
+
+ return ret;
+}
+
+static int imx8mp_blk_ctrl_remove(struct platform_device *pdev)
+{
+ struct imx8mp_blk_ctrl *bc = dev_get_drvdata(&pdev->dev);
+ int i;
+
+ of_genpd_del_provider(pdev->dev.of_node);
+
+ for (i = 0; bc->onecell_data.num_domains; i++) {
+ struct imx8mp_blk_ctrl_domain *domain = &bc->domains[i];
+
+ pm_genpd_remove(&domain->genpd);
+ dev_pm_domain_detach(domain->power_dev, true);
+ }
+
+ dev_pm_genpd_remove_notifier(bc->bus_power_dev);
+
+ dev_pm_domain_detach(bc->bus_power_dev, true);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int imx8mp_blk_ctrl_suspend(struct device *dev)
+{
+ struct imx8mp_blk_ctrl *bc = dev_get_drvdata(dev);
+ int ret, i;
+
+ /*
+ * This may look strange, but is done so the generic PM_SLEEP code
+ * can power down our domains and more importantly power them up again
+ * after resume, without tripping over our usage of runtime PM to
+ * control the upstream GPC domains. Things happen in the right order
+ * in the system suspend/resume paths due to the device parent/child
+ * hierarchy.
+ */
+ ret = pm_runtime_get_sync(bc->bus_power_dev);
+ if (ret < 0) {
+ pm_runtime_put_noidle(bc->bus_power_dev);
+ return ret;
+ }
+
+ for (i = 0; i < bc->onecell_data.num_domains; i++) {
+ struct imx8mp_blk_ctrl_domain *domain = &bc->domains[i];
+
+ ret = pm_runtime_get_sync(domain->power_dev);
+ if (ret < 0) {
+ pm_runtime_put_noidle(domain->power_dev);
+ goto out_fail;
+ }
+ }
+
+ return 0;
+
+out_fail:
+ for (i--; i >= 0; i--)
+ pm_runtime_put(bc->domains[i].power_dev);
+
+ pm_runtime_put(bc->bus_power_dev);
+
+ return ret;
+}
+
+static int imx8mp_blk_ctrl_resume(struct device *dev)
+{
+ struct imx8mp_blk_ctrl *bc = dev_get_drvdata(dev);
+ int i;
+
+ for (i = 0; i < bc->onecell_data.num_domains; i++)
+ pm_runtime_put(bc->domains[i].power_dev);
+
+ pm_runtime_put(bc->bus_power_dev);
+
+ return 0;
+}
+#endif
+
+static const struct dev_pm_ops imx8mp_blk_ctrl_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(imx8mp_blk_ctrl_suspend,
+ imx8mp_blk_ctrl_resume)
+};
+
+static const struct of_device_id imx8mp_blk_ctrl_of_match[] = {
+ {
+ .compatible = "fsl,imx8mp-hsio-blk-ctrl",
+ .data = &imx8mp_hsio_blk_ctl_dev_data,
+ }, {
+ .compatible = "fsl,imx8mp-hdmi-blk-ctrl",
+ .data = &imx8mp_hdmi_blk_ctl_dev_data,
+ }, {
+ /* Sentinel */
+ }
+};
+MODULE_DEVICE_TABLE(of, imx8mp_blk_ctrl_of_match);
+
+static struct platform_driver imx8mp_blk_ctrl_driver = {
+ .probe = imx8mp_blk_ctrl_probe,
+ .remove = imx8mp_blk_ctrl_remove,
+ .driver = {
+ .name = "imx8mp-blk-ctrl",
+ .pm = &imx8mp_blk_ctrl_pm_ops,
+ .of_match_table = imx8mp_blk_ctrl_of_match,
+ },
+};
+module_platform_driver(imx8mp_blk_ctrl_driver);
+MODULE_LICENSE("GPL");
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2022 NXP, Peng Fan <peng.fan@nxp.com>
+ */
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <linux/sizes.h>
+
+#include <dt-bindings/power/fsl,imx93-power.h>
+
+#define BLK_SFT_RSTN 0x0
+#define BLK_CLK_EN 0x4
+#define BLK_MAX_CLKS 4
+
+#define DOMAIN_MAX_CLKS 4
+
+#define LCDIF_QOS_REG 0xC
+#define LCDIF_DEFAULT_QOS_OFF 12
+#define LCDIF_CFG_QOS_OFF 8
+
+#define PXP_QOS_REG 0x10
+#define PXP_R_DEFAULT_QOS_OFF 28
+#define PXP_R_CFG_QOS_OFF 24
+#define PXP_W_DEFAULT_QOS_OFF 20
+#define PXP_W_CFG_QOS_OFF 16
+
+#define ISI_CACHE_REG 0x14
+
+#define ISI_QOS_REG 0x1C
+#define ISI_V_DEFAULT_QOS_OFF 28
+#define ISI_V_CFG_QOS_OFF 24
+#define ISI_U_DEFAULT_QOS_OFF 20
+#define ISI_U_CFG_QOS_OFF 16
+#define ISI_Y_R_DEFAULT_QOS_OFF 12
+#define ISI_Y_R_CFG_QOS_OFF 8
+#define ISI_Y_W_DEFAULT_QOS_OFF 4
+#define ISI_Y_W_CFG_QOS_OFF 0
+
+#define PRIO_MASK 0xF
+
+#define PRIO(X) (X)
+
+struct imx93_blk_ctrl_domain;
+
+struct imx93_blk_ctrl {
+ struct device *dev;
+ struct regmap *regmap;
+ int num_clks;
+ struct clk_bulk_data clks[BLK_MAX_CLKS];
+ struct imx93_blk_ctrl_domain *domains;
+ struct genpd_onecell_data onecell_data;
+};
+
+#define DOMAIN_MAX_QOS 4
+
+struct imx93_blk_ctrl_qos {
+ u32 reg;
+ u32 cfg_off;
+ u32 default_prio;
+ u32 cfg_prio;
+};
+
+struct imx93_blk_ctrl_domain_data {
+ const char *name;
+ const char * const *clk_names;
+ int num_clks;
+ u32 rst_mask;
+ u32 clk_mask;
+ int num_qos;
+ struct imx93_blk_ctrl_qos qos[DOMAIN_MAX_QOS];
+};
+
+struct imx93_blk_ctrl_domain {
+ struct generic_pm_domain genpd;
+ const struct imx93_blk_ctrl_domain_data *data;
+ struct clk_bulk_data clks[DOMAIN_MAX_CLKS];
+ struct imx93_blk_ctrl *bc;
+};
+
+struct imx93_blk_ctrl_data {
+ const struct imx93_blk_ctrl_domain_data *domains;
+ int num_domains;
+ const char * const *clk_names;
+ int num_clks;
+ const struct regmap_access_table *reg_access_table;
+};
+
+static inline struct imx93_blk_ctrl_domain *
+to_imx93_blk_ctrl_domain(struct generic_pm_domain *genpd)
+{
+ return container_of(genpd, struct imx93_blk_ctrl_domain, genpd);
+}
+
+static int imx93_blk_ctrl_set_qos(struct imx93_blk_ctrl_domain *domain)
+{
+ const struct imx93_blk_ctrl_domain_data *data = domain->data;
+ struct imx93_blk_ctrl *bc = domain->bc;
+ const struct imx93_blk_ctrl_qos *qos;
+ u32 val, mask;
+ int i;
+
+ for (i = 0; i < data->num_qos; i++) {
+ qos = &data->qos[i];
+
+ mask = PRIO_MASK << qos->cfg_off;
+ mask |= PRIO_MASK << (qos->cfg_off + 4);
+ val = qos->cfg_prio << qos->cfg_off;
+ val |= qos->default_prio << (qos->cfg_off + 4);
+
+ regmap_write_bits(bc->regmap, qos->reg, mask, val);
+
+ dev_dbg(bc->dev, "data->qos[i].reg 0x%x 0x%x\n", qos->reg, val);
+ }
+
+ return 0;
+}
+
+static int imx93_blk_ctrl_power_on(struct generic_pm_domain *genpd)
+{
+ struct imx93_blk_ctrl_domain *domain = to_imx93_blk_ctrl_domain(genpd);
+ const struct imx93_blk_ctrl_domain_data *data = domain->data;
+ struct imx93_blk_ctrl *bc = domain->bc;
+ int ret;
+
+ ret = clk_bulk_prepare_enable(bc->num_clks, bc->clks);
+ if (ret) {
+ dev_err(bc->dev, "failed to enable bus clocks\n");
+ return ret;
+ }
+
+ ret = clk_bulk_prepare_enable(data->num_clks, domain->clks);
+ if (ret) {
+ clk_bulk_disable_unprepare(bc->num_clks, bc->clks);
+ dev_err(bc->dev, "failed to enable clocks\n");
+ return ret;
+ }
+
+ ret = pm_runtime_get_sync(bc->dev);
+ if (ret < 0) {
+ pm_runtime_put_noidle(bc->dev);
+ dev_err(bc->dev, "failed to power up domain\n");
+ goto disable_clk;
+ }
+
+ /* ungate clk */
+ regmap_clear_bits(bc->regmap, BLK_CLK_EN, data->clk_mask);
+
+ /* release reset */
+ regmap_set_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask);
+
+ dev_dbg(bc->dev, "pd_on: name: %s\n", genpd->name);
+
+ return imx93_blk_ctrl_set_qos(domain);
+
+disable_clk:
+ clk_bulk_disable_unprepare(data->num_clks, domain->clks);
+
+ clk_bulk_disable_unprepare(bc->num_clks, bc->clks);
+
+ return ret;
+}
+
+static int imx93_blk_ctrl_power_off(struct generic_pm_domain *genpd)
+{
+ struct imx93_blk_ctrl_domain *domain = to_imx93_blk_ctrl_domain(genpd);
+ const struct imx93_blk_ctrl_domain_data *data = domain->data;
+ struct imx93_blk_ctrl *bc = domain->bc;
+
+ dev_dbg(bc->dev, "pd_off: name: %s\n", genpd->name);
+
+ regmap_clear_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask);
+ regmap_set_bits(bc->regmap, BLK_CLK_EN, data->clk_mask);
+
+ pm_runtime_put(bc->dev);
+
+ clk_bulk_disable_unprepare(data->num_clks, domain->clks);
+
+ clk_bulk_disable_unprepare(bc->num_clks, bc->clks);
+
+ return 0;
+}
+
+static struct lock_class_key blk_ctrl_genpd_lock_class;
+
+static int imx93_blk_ctrl_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ const struct imx93_blk_ctrl_data *bc_data = of_device_get_match_data(dev);
+ struct imx93_blk_ctrl *bc;
+ void __iomem *base;
+ int i, ret;
+
+ struct regmap_config regmap_config = {
+ .reg_bits = 32,
+ .val_bits = 32,
+ .reg_stride = 4,
+ .rd_table = bc_data->reg_access_table,
+ .wr_table = bc_data->reg_access_table,
+ .max_register = SZ_4K,
+ };
+
+ bc = devm_kzalloc(dev, sizeof(*bc), GFP_KERNEL);
+ if (!bc)
+ return -ENOMEM;
+
+ bc->dev = dev;
+
+ base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ bc->regmap = devm_regmap_init_mmio(dev, base, ®map_config);
+ if (IS_ERR(bc->regmap))
+ return dev_err_probe(dev, PTR_ERR(bc->regmap),
+ "failed to init regmap\n");
+
+ bc->domains = devm_kcalloc(dev, bc_data->num_domains,
+ sizeof(struct imx93_blk_ctrl_domain),
+ GFP_KERNEL);
+ if (!bc->domains)
+ return -ENOMEM;
+
+ bc->onecell_data.num_domains = bc_data->num_domains;
+ bc->onecell_data.domains =
+ devm_kcalloc(dev, bc_data->num_domains,
+ sizeof(struct generic_pm_domain *), GFP_KERNEL);
+ if (!bc->onecell_data.domains)
+ return -ENOMEM;
+
+ for (i = 0; i < bc_data->num_clks; i++)
+ bc->clks[i].id = bc_data->clk_names[i];
+ bc->num_clks = bc_data->num_clks;
+
+ ret = devm_clk_bulk_get(dev, bc->num_clks, bc->clks);
+ if (ret) {
+ dev_err_probe(dev, ret, "failed to get bus clock\n");
+ return ret;
+ }
+
+ for (i = 0; i < bc_data->num_domains; i++) {
+ const struct imx93_blk_ctrl_domain_data *data = &bc_data->domains[i];
+ struct imx93_blk_ctrl_domain *domain = &bc->domains[i];
+ int j;
+
+ domain->data = data;
+
+ for (j = 0; j < data->num_clks; j++)
+ domain->clks[j].id = data->clk_names[j];
+
+ ret = devm_clk_bulk_get(dev, data->num_clks, domain->clks);
+ if (ret) {
+ dev_err_probe(dev, ret, "failed to get clock\n");
+ goto cleanup_pds;
+ }
+
+ domain->genpd.name = data->name;
+ domain->genpd.power_on = imx93_blk_ctrl_power_on;
+ domain->genpd.power_off = imx93_blk_ctrl_power_off;
+ domain->bc = bc;
+
+ ret = pm_genpd_init(&domain->genpd, NULL, true);
+ if (ret) {
+ dev_err_probe(dev, ret, "failed to init power domain\n");
+ goto cleanup_pds;
+ }
+
+ /*
+ * We use runtime PM to trigger power on/off of the upstream GPC
+ * domain, as a strict hierarchical parent/child power domain
+ * setup doesn't allow us to meet the sequencing requirements.
+ * This means we have nested locking of genpd locks, without the
+ * nesting being visible at the genpd level, so we need a
+ * separate lock class to make lockdep aware of the fact that
+ * this are separate domain locks that can be nested without a
+ * self-deadlock.
+ */
+ lockdep_set_class(&domain->genpd.mlock,
+ &blk_ctrl_genpd_lock_class);
+
+ bc->onecell_data.domains[i] = &domain->genpd;
+ }
+
+ pm_runtime_enable(dev);
+
+ ret = of_genpd_add_provider_onecell(dev->of_node, &bc->onecell_data);
+ if (ret) {
+ dev_err_probe(dev, ret, "failed to add power domain provider\n");
+ goto cleanup_pds;
+ }
+
+ dev_set_drvdata(dev, bc);
+
+ return 0;
+
+cleanup_pds:
+ for (i--; i >= 0; i--)
+ pm_genpd_remove(&bc->domains[i].genpd);
+
+ return ret;
+}
+
+static int imx93_blk_ctrl_remove(struct platform_device *pdev)
+{
+ struct imx93_blk_ctrl *bc = dev_get_drvdata(&pdev->dev);
+ int i;
+
+ of_genpd_del_provider(pdev->dev.of_node);
+
+ for (i = 0; bc->onecell_data.num_domains; i++) {
+ struct imx93_blk_ctrl_domain *domain = &bc->domains[i];
+
+ pm_genpd_remove(&domain->genpd);
+ }
+
+ return 0;
+}
+
+static const struct imx93_blk_ctrl_domain_data imx93_media_blk_ctl_domain_data[] = {
+ [IMX93_MEDIABLK_PD_MIPI_DSI] = {
+ .name = "mediablk-mipi-dsi",
+ .clk_names = (const char *[]){ "dsi" },
+ .num_clks = 1,
+ .rst_mask = BIT(11) | BIT(12),
+ .clk_mask = BIT(11) | BIT(12),
+ },
+ [IMX93_MEDIABLK_PD_MIPI_CSI] = {
+ .name = "mediablk-mipi-csi",
+ .clk_names = (const char *[]){ "cam", "csi" },
+ .num_clks = 2,
+ .rst_mask = BIT(9) | BIT(10),
+ .clk_mask = BIT(9) | BIT(10),
+ },
+ [IMX93_MEDIABLK_PD_PXP] = {
+ .name = "mediablk-pxp",
+ .clk_names = (const char *[]){ "pxp" },
+ .num_clks = 1,
+ .rst_mask = BIT(7) | BIT(8),
+ .clk_mask = BIT(7) | BIT(8),
+ .num_qos = 2,
+ .qos = {
+ {
+ .reg = PXP_QOS_REG,
+ .cfg_off = PXP_R_CFG_QOS_OFF,
+ .default_prio = PRIO(3),
+ .cfg_prio = PRIO(6),
+ }, {
+ .reg = PXP_QOS_REG,
+ .cfg_off = PXP_W_CFG_QOS_OFF,
+ .default_prio = PRIO(3),
+ .cfg_prio = PRIO(6),
+ }
+ }
+ },
+ [IMX93_MEDIABLK_PD_LCDIF] = {
+ .name = "mediablk-lcdif",
+ .clk_names = (const char *[]){ "disp", "lcdif" },
+ .num_clks = 2,
+ .rst_mask = BIT(4) | BIT(5) | BIT(6),
+ .clk_mask = BIT(4) | BIT(5) | BIT(6),
+ .num_qos = 1,
+ .qos = {
+ {
+ .reg = LCDIF_QOS_REG,
+ .cfg_off = LCDIF_CFG_QOS_OFF,
+ .default_prio = PRIO(3),
+ .cfg_prio = PRIO(7),
+ }
+ }
+ },
+ [IMX93_MEDIABLK_PD_ISI] = {
+ .name = "mediablk-isi",
+ .clk_names = (const char *[]){ "isi" },
+ .num_clks = 1,
+ .rst_mask = BIT(2) | BIT(3),
+ .clk_mask = BIT(2) | BIT(3),
+ .num_qos = 4,
+ .qos = {
+ {
+ .reg = ISI_QOS_REG,
+ .cfg_off = ISI_Y_W_CFG_QOS_OFF,
+ .default_prio = PRIO(3),
+ .cfg_prio = PRIO(7),
+ }, {
+ .reg = ISI_QOS_REG,
+ .cfg_off = ISI_Y_R_CFG_QOS_OFF,
+ .default_prio = PRIO(3),
+ .cfg_prio = PRIO(7),
+ }, {
+ .reg = ISI_QOS_REG,
+ .cfg_off = ISI_U_CFG_QOS_OFF,
+ .default_prio = PRIO(3),
+ .cfg_prio = PRIO(7),
+ }, {
+ .reg = ISI_QOS_REG,
+ .cfg_off = ISI_V_CFG_QOS_OFF,
+ .default_prio = PRIO(3),
+ .cfg_prio = PRIO(7),
+ }
+ }
+ },
+};
+
+static const struct regmap_range imx93_media_blk_ctl_yes_ranges[] = {
+ regmap_reg_range(BLK_SFT_RSTN, BLK_CLK_EN),
+ regmap_reg_range(LCDIF_QOS_REG, ISI_CACHE_REG),
+ regmap_reg_range(ISI_QOS_REG, ISI_QOS_REG),
+};
+
+static const struct regmap_access_table imx93_media_blk_ctl_access_table = {
+ .yes_ranges = imx93_media_blk_ctl_yes_ranges,
+ .n_yes_ranges = ARRAY_SIZE(imx93_media_blk_ctl_yes_ranges),
+};
+
+static const struct imx93_blk_ctrl_data imx93_media_blk_ctl_dev_data = {
+ .domains = imx93_media_blk_ctl_domain_data,
+ .num_domains = ARRAY_SIZE(imx93_media_blk_ctl_domain_data),
+ .clk_names = (const char *[]){ "axi", "apb", "nic", },
+ .num_clks = 3,
+ .reg_access_table = &imx93_media_blk_ctl_access_table,
+};
+
+static const struct of_device_id imx93_blk_ctrl_of_match[] = {
+ {
+ .compatible = "fsl,imx93-media-blk-ctrl",
+ .data = &imx93_media_blk_ctl_dev_data
+ }, {
+ /* Sentinel */
+ }
+};
+MODULE_DEVICE_TABLE(of, imx93_blk_ctrl_of_match);
+
+static struct platform_driver imx93_blk_ctrl_driver = {
+ .probe = imx93_blk_ctrl_probe,
+ .remove = imx93_blk_ctrl_remove,
+ .driver = {
+ .name = "imx93-blk-ctrl",
+ .of_match_table = imx93_blk_ctrl_of_match,
+ },
+};
+module_platform_driver(imx93_blk_ctrl_driver);
+
+MODULE_AUTHOR("Peng Fan <peng.fan@nxp.com>");
+MODULE_DESCRIPTION("i.MX93 BLK CTRL driver");
+MODULE_LICENSE("GPL");
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2022 NXP
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/iopoll.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+
+#define MIX_SLICE_SW_CTRL_OFF 0x20
+#define SLICE_SW_CTRL_PSW_CTRL_OFF_MASK BIT(4)
+#define SLICE_SW_CTRL_PDN_SOFT_MASK BIT(31)
+
+#define MIX_FUNC_STAT_OFF 0xB4
+
+#define FUNC_STAT_PSW_STAT_MASK BIT(0)
+#define FUNC_STAT_RST_STAT_MASK BIT(2)
+#define FUNC_STAT_ISO_STAT_MASK BIT(4)
+
+struct imx93_power_domain {
+ struct generic_pm_domain genpd;
+ struct device *dev;
+ void __iomem *addr;
+ struct clk_bulk_data *clks;
+ int num_clks;
+ bool init_off;
+};
+
+#define to_imx93_pd(_genpd) container_of(_genpd, struct imx93_power_domain, genpd)
+
+static int imx93_pd_on(struct generic_pm_domain *genpd)
+{
+ struct imx93_power_domain *domain = to_imx93_pd(genpd);
+ void __iomem *addr = domain->addr;
+ u32 val;
+ int ret;
+
+ ret = clk_bulk_prepare_enable(domain->num_clks, domain->clks);
+ if (ret) {
+ dev_err(domain->dev, "failed to enable clocks for domain: %s\n", genpd->name);
+ return ret;
+ }
+
+ val = readl(addr + MIX_SLICE_SW_CTRL_OFF);
+ val &= ~SLICE_SW_CTRL_PDN_SOFT_MASK;
+ writel(val, addr + MIX_SLICE_SW_CTRL_OFF);
+
+ ret = readl_poll_timeout(addr + MIX_FUNC_STAT_OFF, val,
+ !(val & FUNC_STAT_ISO_STAT_MASK), 1, 10000);
+ if (ret) {
+ dev_err(domain->dev, "pd_on timeout: name: %s, stat: %x\n", genpd->name, val);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int imx93_pd_off(struct generic_pm_domain *genpd)
+{
+ struct imx93_power_domain *domain = to_imx93_pd(genpd);
+ void __iomem *addr = domain->addr;
+ int ret;
+ u32 val;
+
+ /* Power off MIX */
+ val = readl(addr + MIX_SLICE_SW_CTRL_OFF);
+ val |= SLICE_SW_CTRL_PDN_SOFT_MASK;
+ writel(val, addr + MIX_SLICE_SW_CTRL_OFF);
+
+ ret = readl_poll_timeout(addr + MIX_FUNC_STAT_OFF, val,
+ val & FUNC_STAT_PSW_STAT_MASK, 1, 1000);
+ if (ret) {
+ dev_err(domain->dev, "pd_off timeout: name: %s, stat: %x\n", genpd->name, val);
+ return ret;
+ }
+
+ clk_bulk_disable_unprepare(domain->num_clks, domain->clks);
+
+ return 0;
+};
+
+static int imx93_pd_remove(struct platform_device *pdev)
+{
+ struct imx93_power_domain *domain = platform_get_drvdata(pdev);
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+
+ if (!domain->init_off)
+ clk_bulk_disable_unprepare(domain->num_clks, domain->clks);
+
+ of_genpd_del_provider(np);
+ pm_genpd_remove(&domain->genpd);
+
+ return 0;
+}
+
+static int imx93_pd_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ struct imx93_power_domain *domain;
+ int ret;
+
+ domain = devm_kzalloc(dev, sizeof(*domain), GFP_KERNEL);
+ if (!domain)
+ return -ENOMEM;
+
+ domain->addr = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(domain->addr))
+ return PTR_ERR(domain->addr);
+
+ domain->num_clks = devm_clk_bulk_get_all(dev, &domain->clks);
+ if (domain->num_clks < 0)
+ return dev_err_probe(dev, domain->num_clks, "Failed to get domain's clocks\n");
+
+ domain->genpd.name = dev_name(dev);
+ domain->genpd.power_off = imx93_pd_off;
+ domain->genpd.power_on = imx93_pd_on;
+ domain->dev = dev;
+
+ domain->init_off = readl(domain->addr + MIX_FUNC_STAT_OFF) & FUNC_STAT_ISO_STAT_MASK;
+ /* Just to sync the status of hardware */
+ if (!domain->init_off) {
+ ret = clk_bulk_prepare_enable(domain->num_clks, domain->clks);
+ if (ret) {
+ dev_err(domain->dev, "failed to enable clocks for domain: %s\n",
+ domain->genpd.name);
+ return ret;
+ }
+ }
+
+ ret = pm_genpd_init(&domain->genpd, NULL, domain->init_off);
+ if (ret)
+ goto err_clk_unprepare;
+
+ platform_set_drvdata(pdev, domain);
+
+ ret = of_genpd_add_provider_simple(np, &domain->genpd);
+ if (ret)
+ goto err_genpd_remove;
+
+ return 0;
+
+err_genpd_remove:
+ pm_genpd_remove(&domain->genpd);
+
+err_clk_unprepare:
+ if (!domain->init_off)
+ clk_bulk_disable_unprepare(domain->num_clks, domain->clks);
+
+ return ret;
+}
+
+static const struct of_device_id imx93_pd_ids[] = {
+ { .compatible = "fsl,imx93-src-slice" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, imx93_pd_ids);
+
+static struct platform_driver imx93_power_domain_driver = {
+ .driver = {
+ .name = "imx93_power_domain",
+ .of_match_table = imx93_pd_ids,
+ },
+ .probe = imx93_pd_probe,
+ .remove = imx93_pd_remove,
+};
+module_platform_driver(imx93_power_domain_driver);
+
+MODULE_AUTHOR("Peng Fan <peng.fan@nxp.com>");
+MODULE_DESCRIPTION("NXP i.MX93 power domain driver");
+MODULE_LICENSE("GPL");
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017-2018 NXP
+ * Dong Aisheng <aisheng.dong@nxp.com>
+ *
+ * Implementation of the SCU based Power Domains
+ *
+ * NOTE: a better implementation suggested by Ulf Hansson is using a
+ * single global power domain and implement the ->attach|detach_dev()
+ * callback for the genpd and use the regular of_genpd_add_provider_simple().
+ * From within the ->attach_dev(), we could get the OF node for
+ * the device that is being attached and then parse the power-domain
+ * cell containing the "resource id" and store that in the per device
+ * struct generic_pm_domain_data (we have void pointer there for
+ * storing these kind of things).
+ *
+ * Additionally, we need to implement the ->stop() and ->start()
+ * callbacks of genpd, which is where you "power on/off" devices,
+ * rather than using the above ->power_on|off() callbacks.
+ *
+ * However, there're two known issues:
+ * 1. The ->attach_dev() of power domain infrastructure still does
+ * not support multi domains case as the struct device *dev passed
+ * in is a virtual PD device, it does not help for parsing the real
+ * device resource id from device tree, so it's unware of which
+ * real sub power domain of device should be attached.
+ *
+ * The framework needs some proper extension to support multi power
+ * domain cases.
+ *
+ * Update: Genpd assigns the ->of_node for the virtual device before it
+ * invokes ->attach_dev() callback, hence parsing for device resources via
+ * DT should work fine.
+ *
+ * 2. It also breaks most of current drivers as the driver probe sequence
+ * behavior changed if removing ->power_on|off() callback and use
+ * ->start() and ->stop() instead. genpd_dev_pm_attach will only power
+ * up the domain and attach device, but will not call .start() which
+ * relies on device runtime pm. That means the device power is still
+ * not up before running driver probe function. For SCU enabled
+ * platforms, all device drivers accessing registers/clock without power
+ * domain enabled will trigger a HW access error. That means we need fix
+ * most drivers probe sequence with proper runtime pm.
+ *
+ * Update: Runtime PM support isn't necessary. Instead, this can easily be
+ * fixed in drivers by adding a call to dev_pm_domain_start() during probe.
+ *
+ * In summary, the second part needs to be addressed via minor updates to the
+ * relevant drivers, before the "single global power domain" model can be used.
+ *
+ */
+
+#include <dt-bindings/firmware/imx/rsrc.h>
+#include <linux/console.h>
+#include <linux/firmware/imx/sci.h>
+#include <linux/firmware/imx/svc/rm.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+
+/* SCU Power Mode Protocol definition */
+struct imx_sc_msg_req_set_resource_power_mode {
+ struct imx_sc_rpc_msg hdr;
+ u16 resource;
+ u8 mode;
+} __packed __aligned(4);
+
+struct req_get_resource_mode {
+ u16 resource;
+};
+
+struct resp_get_resource_mode {
+ u8 mode;
+};
+
+struct imx_sc_msg_req_get_resource_power_mode {
+ struct imx_sc_rpc_msg hdr;
+ union {
+ struct req_get_resource_mode req;
+ struct resp_get_resource_mode resp;
+ } data;
+} __packed __aligned(4);
+
+#define IMX_SCU_PD_NAME_SIZE 20
+struct imx_sc_pm_domain {
+ struct generic_pm_domain pd;
+ char name[IMX_SCU_PD_NAME_SIZE];
+ u32 rsrc;
+};
+
+struct imx_sc_pd_range {
+ char *name;
+ u32 rsrc;
+ u8 num;
+
+ /* add domain index */
+ bool postfix;
+ u8 start_from;
+};
+
+struct imx_sc_pd_soc {
+ const struct imx_sc_pd_range *pd_ranges;
+ u8 num_ranges;
+};
+
+static int imx_con_rsrc;
+
+/* Align with the IMX_SC_PM_PW_MODE_[OFF,STBY,LP,ON] macros */
+static const char * const imx_sc_pm_mode[] = {
+ "IMX_SC_PM_PW_MODE_OFF",
+ "IMX_SC_PM_PW_MODE_STBY",
+ "IMX_SC_PM_PW_MODE_LP",
+ "IMX_SC_PM_PW_MODE_ON"
+};
+
+static const struct imx_sc_pd_range imx8qxp_scu_pd_ranges[] = {
+ /* LSIO SS */
+ { "pwm", IMX_SC_R_PWM_0, 8, true, 0 },
+ { "gpio", IMX_SC_R_GPIO_0, 8, true, 0 },
+ { "gpt", IMX_SC_R_GPT_0, 5, true, 0 },
+ { "kpp", IMX_SC_R_KPP, 1, false, 0 },
+ { "fspi", IMX_SC_R_FSPI_0, 2, true, 0 },
+ { "mu_a", IMX_SC_R_MU_0A, 14, true, 0 },
+ { "mu_b", IMX_SC_R_MU_5B, 9, true, 5 },
+
+ /* CONN SS */
+ { "usb", IMX_SC_R_USB_0, 2, true, 0 },
+ { "usb0phy", IMX_SC_R_USB_0_PHY, 1, false, 0 },
+ { "usb1phy", IMX_SC_R_USB_1_PHY, 1, false, 0},
+ { "usb2", IMX_SC_R_USB_2, 1, false, 0 },
+ { "usb2phy", IMX_SC_R_USB_2_PHY, 1, false, 0 },
+ { "sdhc", IMX_SC_R_SDHC_0, 3, true, 0 },
+ { "enet", IMX_SC_R_ENET_0, 2, true, 0 },
+ { "nand", IMX_SC_R_NAND, 1, false, 0 },
+ { "mlb", IMX_SC_R_MLB_0, 1, true, 0 },
+
+ /* AUDIO SS */
+ { "audio-pll0", IMX_SC_R_AUDIO_PLL_0, 1, false, 0 },
+ { "audio-pll1", IMX_SC_R_AUDIO_PLL_1, 1, false, 0 },
+ { "audio-clk-0", IMX_SC_R_AUDIO_CLK_0, 1, false, 0 },
+ { "audio-clk-1", IMX_SC_R_AUDIO_CLK_1, 1, false, 0 },
+ { "mclk-out-0", IMX_SC_R_MCLK_OUT_0, 1, false, 0 },
+ { "mclk-out-1", IMX_SC_R_MCLK_OUT_1, 1, false, 0 },
+ { "dma0-ch", IMX_SC_R_DMA_0_CH0, 32, true, 0 },
+ { "dma1-ch", IMX_SC_R_DMA_1_CH0, 16, true, 0 },
+ { "dma2-ch", IMX_SC_R_DMA_2_CH0, 32, true, 0 },
+ { "dma3-ch", IMX_SC_R_DMA_3_CH0, 32, true, 0 },
+ { "asrc0", IMX_SC_R_ASRC_0, 1, false, 0 },
+ { "asrc1", IMX_SC_R_ASRC_1, 1, false, 0 },
+ { "esai0", IMX_SC_R_ESAI_0, 1, false, 0 },
+ { "esai1", IMX_SC_R_ESAI_1, 1, false, 0 },
+ { "spdif0", IMX_SC_R_SPDIF_0, 1, false, 0 },
+ { "spdif1", IMX_SC_R_SPDIF_1, 1, false, 0 },
+ { "sai", IMX_SC_R_SAI_0, 3, true, 0 },
+ { "sai3", IMX_SC_R_SAI_3, 1, false, 0 },
+ { "sai4", IMX_SC_R_SAI_4, 1, false, 0 },
+ { "sai5", IMX_SC_R_SAI_5, 1, false, 0 },
+ { "sai6", IMX_SC_R_SAI_6, 1, false, 0 },
+ { "sai7", IMX_SC_R_SAI_7, 1, false, 0 },
+ { "amix", IMX_SC_R_AMIX, 1, false, 0 },
+ { "mqs0", IMX_SC_R_MQS_0, 1, false, 0 },
+ { "dsp", IMX_SC_R_DSP, 1, false, 0 },
+ { "dsp-ram", IMX_SC_R_DSP_RAM, 1, false, 0 },
+
+ /* DMA SS */
+ { "can", IMX_SC_R_CAN_0, 3, true, 0 },
+ { "ftm", IMX_SC_R_FTM_0, 2, true, 0 },
+ { "lpi2c", IMX_SC_R_I2C_0, 5, true, 0 },
+ { "adc", IMX_SC_R_ADC_0, 2, true, 0 },
+ { "lcd", IMX_SC_R_LCD_0, 1, true, 0 },
+ { "lcd-pll", IMX_SC_R_ELCDIF_PLL, 1, true, 0 },
+ { "lcd0-pwm", IMX_SC_R_LCD_0_PWM_0, 1, true, 0 },
+ { "lpuart", IMX_SC_R_UART_0, 5, true, 0 },
+ { "sim", IMX_SC_R_EMVSIM_0, 2, true, 0 },
+ { "lpspi", IMX_SC_R_SPI_0, 4, true, 0 },
+ { "irqstr_dsp", IMX_SC_R_IRQSTR_DSP, 1, false, 0 },
+
+ /* VPU SS */
+ { "vpu", IMX_SC_R_VPU, 1, false, 0 },
+ { "vpu-pid", IMX_SC_R_VPU_PID0, 8, true, 0 },
+ { "vpu-dec0", IMX_SC_R_VPU_DEC_0, 1, false, 0 },
+ { "vpu-enc0", IMX_SC_R_VPU_ENC_0, 1, false, 0 },
+ { "vpu-enc1", IMX_SC_R_VPU_ENC_1, 1, false, 0 },
+ { "vpu-mu0", IMX_SC_R_VPU_MU_0, 1, false, 0 },
+ { "vpu-mu1", IMX_SC_R_VPU_MU_1, 1, false, 0 },
+ { "vpu-mu2", IMX_SC_R_VPU_MU_2, 1, false, 0 },
+
+ /* GPU SS */
+ { "gpu0-pid", IMX_SC_R_GPU_0_PID0, 4, true, 0 },
+ { "gpu1-pid", IMX_SC_R_GPU_1_PID0, 4, true, 0 },
+
+
+ /* HSIO SS */
+ { "pcie-a", IMX_SC_R_PCIE_A, 1, false, 0 },
+ { "serdes-0", IMX_SC_R_SERDES_0, 1, false, 0 },
+ { "pcie-b", IMX_SC_R_PCIE_B, 1, false, 0 },
+ { "serdes-1", IMX_SC_R_SERDES_1, 1, false, 0 },
+ { "sata-0", IMX_SC_R_SATA_0, 1, false, 0 },
+ { "hsio-gpio", IMX_SC_R_HSIO_GPIO, 1, false, 0 },
+
+ /* MIPI SS */
+ { "mipi0", IMX_SC_R_MIPI_0, 1, false, 0 },
+ { "mipi0-pwm0", IMX_SC_R_MIPI_0_PWM_0, 1, false, 0 },
+ { "mipi0-i2c", IMX_SC_R_MIPI_0_I2C_0, 2, true, 0 },
+
+ { "mipi1", IMX_SC_R_MIPI_1, 1, false, 0 },
+ { "mipi1-pwm0", IMX_SC_R_MIPI_1_PWM_0, 1, false, 0 },
+ { "mipi1-i2c", IMX_SC_R_MIPI_1_I2C_0, 2, true, 0 },
+
+ /* LVDS SS */
+ { "lvds0", IMX_SC_R_LVDS_0, 1, false, 0 },
+ { "lvds0-pwm", IMX_SC_R_LVDS_0_PWM_0, 1, false, 0 },
+ { "lvds0-lpi2c", IMX_SC_R_LVDS_0_I2C_0, 2, true, 0 },
+ { "lvds1", IMX_SC_R_LVDS_1, 1, false, 0 },
+ { "lvds1-pwm", IMX_SC_R_LVDS_1_PWM_0, 1, false, 0 },
+ { "lvds1-lpi2c", IMX_SC_R_LVDS_1_I2C_0, 2, true, 0 },
+
+ { "mipi1", IMX_SC_R_MIPI_1, 1, 0 },
+ { "mipi1-pwm0", IMX_SC_R_MIPI_1_PWM_0, 1, 0 },
+ { "mipi1-i2c", IMX_SC_R_MIPI_1_I2C_0, 2, 1 },
+ { "lvds1", IMX_SC_R_LVDS_1, 1, 0 },
+
+ /* DC SS */
+ { "dc0", IMX_SC_R_DC_0, 1, false, 0 },
+ { "dc0-pll", IMX_SC_R_DC_0_PLL_0, 2, true, 0 },
+ { "dc0-video", IMX_SC_R_DC_0_VIDEO0, 2, true, 0 },
+
+ { "dc1", IMX_SC_R_DC_1, 1, false, 0 },
+ { "dc1-pll", IMX_SC_R_DC_1_PLL_0, 2, true, 0 },
+ { "dc1-video", IMX_SC_R_DC_1_VIDEO0, 2, true, 0 },
+
+ /* CM40 SS */
+ { "cm40-i2c", IMX_SC_R_M4_0_I2C, 1, false, 0 },
+ { "cm40-intmux", IMX_SC_R_M4_0_INTMUX, 1, false, 0 },
+ { "cm40-pid", IMX_SC_R_M4_0_PID0, 5, true, 0},
+ { "cm40-mu-a1", IMX_SC_R_M4_0_MU_1A, 1, false, 0},
+ { "cm40-lpuart", IMX_SC_R_M4_0_UART, 1, false, 0},
+
+ /* CM41 SS */
+ { "cm41-i2c", IMX_SC_R_M4_1_I2C, 1, false, 0 },
+ { "cm41-intmux", IMX_SC_R_M4_1_INTMUX, 1, false, 0 },
+ { "cm41-pid", IMX_SC_R_M4_1_PID0, 5, true, 0},
+ { "cm41-mu-a1", IMX_SC_R_M4_1_MU_1A, 1, false, 0},
+ { "cm41-lpuart", IMX_SC_R_M4_1_UART, 1, false, 0},
+
+ /* CM41 SS */
+ { "cm41_i2c", IMX_SC_R_M4_1_I2C, 1, false, 0 },
+ { "cm41_intmux", IMX_SC_R_M4_1_INTMUX, 1, false, 0 },
+
+ /* DB SS */
+ { "perf", IMX_SC_R_PERF, 1, false, 0},
+
+ /* IMAGE SS */
+ { "img-jpegdec-mp", IMX_SC_R_MJPEG_DEC_MP, 1, false, 0 },
+ { "img-jpegdec-s0", IMX_SC_R_MJPEG_DEC_S0, 4, true, 0 },
+ { "img-jpegenc-mp", IMX_SC_R_MJPEG_ENC_MP, 1, false, 0 },
+ { "img-jpegenc-s0", IMX_SC_R_MJPEG_ENC_S0, 4, true, 0 },
+
+ /* SECO SS */
+ { "seco_mu", IMX_SC_R_SECO_MU_2, 3, true, 2},
+
+ /* V2X SS */
+ { "v2x_mu", IMX_SC_R_V2X_MU_0, 2, true, 0},
+ { "v2x_mu", IMX_SC_R_V2X_MU_2, 1, true, 2},
+ { "v2x_mu", IMX_SC_R_V2X_MU_3, 2, true, 3},
+ { "img-pdma", IMX_SC_R_ISI_CH0, 8, true, 0 },
+ { "img-csi0", IMX_SC_R_CSI_0, 1, false, 0 },
+ { "img-csi0-i2c0", IMX_SC_R_CSI_0_I2C_0, 1, false, 0 },
+ { "img-csi0-pwm0", IMX_SC_R_CSI_0_PWM_0, 1, false, 0 },
+ { "img-csi1", IMX_SC_R_CSI_1, 1, false, 0 },
+ { "img-csi1-i2c0", IMX_SC_R_CSI_1_I2C_0, 1, false, 0 },
+ { "img-csi1-pwm0", IMX_SC_R_CSI_1_PWM_0, 1, false, 0 },
+ { "img-parallel", IMX_SC_R_PI_0, 1, false, 0 },
+ { "img-parallel-i2c0", IMX_SC_R_PI_0_I2C_0, 1, false, 0 },
+ { "img-parallel-pwm0", IMX_SC_R_PI_0_PWM_0, 2, true, 0 },
+ { "img-parallel-pll", IMX_SC_R_PI_0_PLL, 1, false, 0 },
+
+ /* HDMI TX SS */
+ { "hdmi-tx", IMX_SC_R_HDMI, 1, false, 0},
+ { "hdmi-tx-i2s", IMX_SC_R_HDMI_I2S, 1, false, 0},
+ { "hdmi-tx-i2c0", IMX_SC_R_HDMI_I2C_0, 1, false, 0},
+ { "hdmi-tx-pll0", IMX_SC_R_HDMI_PLL_0, 1, false, 0},
+ { "hdmi-tx-pll1", IMX_SC_R_HDMI_PLL_1, 1, false, 0},
+
+ /* HDMI RX SS */
+ { "hdmi-rx", IMX_SC_R_HDMI_RX, 1, false, 0},
+ { "hdmi-rx-pwm", IMX_SC_R_HDMI_RX_PWM_0, 1, false, 0},
+ { "hdmi-rx-i2c0", IMX_SC_R_HDMI_RX_I2C_0, 1, false, 0},
+ { "hdmi-rx-bypass", IMX_SC_R_HDMI_RX_BYPASS, 1, false, 0},
+
+ /* SECURITY SS */
+ { "sec-jr", IMX_SC_R_CAAM_JR2, 2, true, 2},
+
+ /* BOARD SS */
+ { "board", IMX_SC_R_BOARD_R0, 8, true, 0},
+};
+
+static const struct imx_sc_pd_soc imx8qxp_scu_pd = {
+ .pd_ranges = imx8qxp_scu_pd_ranges,
+ .num_ranges = ARRAY_SIZE(imx8qxp_scu_pd_ranges),
+};
+
+static struct imx_sc_ipc *pm_ipc_handle;
+
+static inline struct imx_sc_pm_domain *
+to_imx_sc_pd(struct generic_pm_domain *genpd)
+{
+ return container_of(genpd, struct imx_sc_pm_domain, pd);
+}
+
+static void imx_sc_pd_get_console_rsrc(void)
+{
+ struct of_phandle_args specs;
+ int ret;
+
+ if (!of_stdout)
+ return;
+
+ ret = of_parse_phandle_with_args(of_stdout, "power-domains",
+ "#power-domain-cells",
+ 0, &specs);
+ if (ret)
+ return;
+
+ imx_con_rsrc = specs.args[0];
+}
+
+static int imx_sc_get_pd_power(struct device *dev, u32 rsrc)
+{
+ struct imx_sc_msg_req_get_resource_power_mode msg;
+ struct imx_sc_rpc_msg *hdr = &msg.hdr;
+ int ret;
+
+ hdr->ver = IMX_SC_RPC_VERSION;
+ hdr->svc = IMX_SC_RPC_SVC_PM;
+ hdr->func = IMX_SC_PM_FUNC_GET_RESOURCE_POWER_MODE;
+ hdr->size = 2;
+
+ msg.data.req.resource = rsrc;
+
+ ret = imx_scu_call_rpc(pm_ipc_handle, &msg, true);
+ if (ret)
+ dev_err(dev, "failed to get power resource %d mode, ret %d\n",
+ rsrc, ret);
+
+ return msg.data.resp.mode;
+}
+
+static int imx_sc_pd_power(struct generic_pm_domain *domain, bool power_on)
+{
+ struct imx_sc_msg_req_set_resource_power_mode msg;
+ struct imx_sc_rpc_msg *hdr = &msg.hdr;
+ struct imx_sc_pm_domain *pd;
+ int ret;
+
+ pd = to_imx_sc_pd(domain);
+
+ hdr->ver = IMX_SC_RPC_VERSION;
+ hdr->svc = IMX_SC_RPC_SVC_PM;
+ hdr->func = IMX_SC_PM_FUNC_SET_RESOURCE_POWER_MODE;
+ hdr->size = 2;
+
+ msg.resource = pd->rsrc;
+ msg.mode = power_on ? IMX_SC_PM_PW_MODE_ON : IMX_SC_PM_PW_MODE_LP;
+
+ /* keep uart console power on for no_console_suspend */
+ if (imx_con_rsrc == pd->rsrc && !console_suspend_enabled && !power_on)
+ return -EBUSY;
+
+ ret = imx_scu_call_rpc(pm_ipc_handle, &msg, true);
+ if (ret)
+ dev_err(&domain->dev, "failed to power %s resource %d ret %d\n",
+ power_on ? "up" : "off", pd->rsrc, ret);
+
+ return ret;
+}
+
+static int imx_sc_pd_power_on(struct generic_pm_domain *domain)
+{
+ return imx_sc_pd_power(domain, true);
+}
+
+static int imx_sc_pd_power_off(struct generic_pm_domain *domain)
+{
+ return imx_sc_pd_power(domain, false);
+}
+
+static struct generic_pm_domain *imx_scu_pd_xlate(struct of_phandle_args *spec,
+ void *data)
+{
+ struct generic_pm_domain *domain = ERR_PTR(-ENOENT);
+ struct genpd_onecell_data *pd_data = data;
+ unsigned int i;
+
+ for (i = 0; i < pd_data->num_domains; i++) {
+ struct imx_sc_pm_domain *sc_pd;
+
+ sc_pd = to_imx_sc_pd(pd_data->domains[i]);
+ if (sc_pd->rsrc == spec->args[0]) {
+ domain = &sc_pd->pd;
+ break;
+ }
+ }
+
+ return domain;
+}
+
+static struct imx_sc_pm_domain *
+imx_scu_add_pm_domain(struct device *dev, int idx,
+ const struct imx_sc_pd_range *pd_ranges)
+{
+ struct imx_sc_pm_domain *sc_pd;
+ bool is_off;
+ int mode, ret;
+
+ if (!imx_sc_rm_is_resource_owned(pm_ipc_handle, pd_ranges->rsrc + idx))
+ return NULL;
+
+ sc_pd = devm_kzalloc(dev, sizeof(*sc_pd), GFP_KERNEL);
+ if (!sc_pd)
+ return ERR_PTR(-ENOMEM);
+
+ sc_pd->rsrc = pd_ranges->rsrc + idx;
+ sc_pd->pd.power_off = imx_sc_pd_power_off;
+ sc_pd->pd.power_on = imx_sc_pd_power_on;
+
+ if (pd_ranges->postfix)
+ snprintf(sc_pd->name, sizeof(sc_pd->name),
+ "%s%i", pd_ranges->name, pd_ranges->start_from + idx);
+ else
+ snprintf(sc_pd->name, sizeof(sc_pd->name),
+ "%s", pd_ranges->name);
+
+ sc_pd->pd.name = sc_pd->name;
+ if (imx_con_rsrc == sc_pd->rsrc)
+ sc_pd->pd.flags = GENPD_FLAG_RPM_ALWAYS_ON;
+
+ mode = imx_sc_get_pd_power(dev, pd_ranges->rsrc + idx);
+ if (mode == IMX_SC_PM_PW_MODE_ON)
+ is_off = false;
+ else
+ is_off = true;
+
+ dev_dbg(dev, "%s : %s\n", sc_pd->name, imx_sc_pm_mode[mode]);
+
+ if (sc_pd->rsrc >= IMX_SC_R_LAST) {
+ dev_warn(dev, "invalid pd %s rsrc id %d found",
+ sc_pd->name, sc_pd->rsrc);
+
+ devm_kfree(dev, sc_pd);
+ return NULL;
+ }
+
+ ret = pm_genpd_init(&sc_pd->pd, NULL, is_off);
+ if (ret) {
+ dev_warn(dev, "failed to init pd %s rsrc id %d",
+ sc_pd->name, sc_pd->rsrc);
+ devm_kfree(dev, sc_pd);
+ return NULL;
+ }
+
+ return sc_pd;
+}
+
+static int imx_scu_init_pm_domains(struct device *dev,
+ const struct imx_sc_pd_soc *pd_soc)
+{
+ const struct imx_sc_pd_range *pd_ranges = pd_soc->pd_ranges;
+ struct generic_pm_domain **domains;
+ struct genpd_onecell_data *pd_data;
+ struct imx_sc_pm_domain *sc_pd;
+ u32 count = 0;
+ int i, j;
+
+ for (i = 0; i < pd_soc->num_ranges; i++)
+ count += pd_ranges[i].num;
+
+ domains = devm_kcalloc(dev, count, sizeof(*domains), GFP_KERNEL);
+ if (!domains)
+ return -ENOMEM;
+
+ pd_data = devm_kzalloc(dev, sizeof(*pd_data), GFP_KERNEL);
+ if (!pd_data)
+ return -ENOMEM;
+
+ count = 0;
+ for (i = 0; i < pd_soc->num_ranges; i++) {
+ for (j = 0; j < pd_ranges[i].num; j++) {
+ sc_pd = imx_scu_add_pm_domain(dev, j, &pd_ranges[i]);
+ if (IS_ERR_OR_NULL(sc_pd))
+ continue;
+
+ domains[count++] = &sc_pd->pd;
+ dev_dbg(dev, "added power domain %s\n", sc_pd->pd.name);
+ }
+ }
+
+ pd_data->domains = domains;
+ pd_data->num_domains = count;
+ pd_data->xlate = imx_scu_pd_xlate;
+
+ of_genpd_add_provider_onecell(dev->of_node, pd_data);
+
+ return 0;
+}
+
+static int imx_sc_pd_probe(struct platform_device *pdev)
+{
+ const struct imx_sc_pd_soc *pd_soc;
+ int ret;
+
+ ret = imx_scu_get_handle(&pm_ipc_handle);
+ if (ret)
+ return ret;
+
+ pd_soc = of_device_get_match_data(&pdev->dev);
+ if (!pd_soc)
+ return -ENODEV;
+
+ imx_sc_pd_get_console_rsrc();
+
+ return imx_scu_init_pm_domains(&pdev->dev, pd_soc);
+}
+
+static const struct of_device_id imx_sc_pd_match[] = {
+ { .compatible = "fsl,imx8qxp-scu-pd", &imx8qxp_scu_pd},
+ { .compatible = "fsl,scu-pd", &imx8qxp_scu_pd},
+ { /* sentinel */ }
+};
+
+static struct platform_driver imx_sc_pd_driver = {
+ .driver = {
+ .name = "imx-scu-pd",
+ .of_match_table = imx_sc_pd_match,
+ .suppress_bind_attrs = true,
+ },
+ .probe = imx_sc_pd_probe,
+};
+builtin_platform_driver(imx_sc_pd_driver);
+
+MODULE_AUTHOR("Dong Aisheng <aisheng.dong@nxp.com>");
+MODULE_DESCRIPTION("IMX SCU Power Domain driver");
+MODULE_LICENSE("GPL v2");
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_MTK_SCPSYS) += mtk-scpsys.o
+obj-$(CONFIG_MTK_SCPSYS_PM_DOMAINS) += mtk-pm-domains.o
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __SOC_MEDIATEK_MT6795_PM_DOMAINS_H
+#define __SOC_MEDIATEK_MT6795_PM_DOMAINS_H
+
+#include "mtk-pm-domains.h"
+#include <dt-bindings/power/mt6795-power.h>
+
+/*
+ * MT6795 power domain support
+ */
+
+static const struct scpsys_domain_data scpsys_domain_data_mt6795[] = {
+ [MT6795_POWER_DOMAIN_VDEC] = {
+ .name = "vdec",
+ .sta_mask = PWR_STATUS_VDEC,
+ .ctl_offs = SPM_VDE_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ },
+ [MT6795_POWER_DOMAIN_VENC] = {
+ .name = "venc",
+ .sta_mask = PWR_STATUS_VENC,
+ .ctl_offs = SPM_VEN_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ },
+ [MT6795_POWER_DOMAIN_ISP] = {
+ .name = "isp",
+ .sta_mask = PWR_STATUS_ISP,
+ .ctl_offs = SPM_ISP_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ },
+ [MT6795_POWER_DOMAIN_MM] = {
+ .name = "mm",
+ .sta_mask = PWR_STATUS_DISP,
+ .ctl_offs = SPM_DIS_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_UPDATE_TOPAXI(MT8173_TOP_AXI_PROT_EN_MM_M0 |
+ MT8173_TOP_AXI_PROT_EN_MM_M1),
+ },
+ },
+ [MT6795_POWER_DOMAIN_MJC] = {
+ .name = "mjc",
+ .sta_mask = BIT(20),
+ .ctl_offs = 0x298,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ },
+ [MT6795_POWER_DOMAIN_AUDIO] = {
+ .name = "audio",
+ .sta_mask = PWR_STATUS_AUDIO,
+ .ctl_offs = SPM_AUDIO_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ },
+ [MT6795_POWER_DOMAIN_MFG_ASYNC] = {
+ .name = "mfg_async",
+ .sta_mask = PWR_STATUS_MFG_ASYNC,
+ .ctl_offs = SPM_MFG_ASYNC_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = 0,
+ },
+ [MT6795_POWER_DOMAIN_MFG_2D] = {
+ .name = "mfg_2d",
+ .sta_mask = PWR_STATUS_MFG_2D,
+ .ctl_offs = SPM_MFG_2D_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ },
+ [MT6795_POWER_DOMAIN_MFG] = {
+ .name = "mfg",
+ .sta_mask = PWR_STATUS_MFG,
+ .ctl_offs = SPM_MFG_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(13, 8),
+ .sram_pdn_ack_bits = GENMASK(21, 16),
+ .bp_infracfg = {
+ BUS_PROT_UPDATE_TOPAXI(MT8173_TOP_AXI_PROT_EN_MFG_S |
+ MT8173_TOP_AXI_PROT_EN_MFG_M0 |
+ MT8173_TOP_AXI_PROT_EN_MFG_M1 |
+ MT8173_TOP_AXI_PROT_EN_MFG_SNOOP_OUT),
+ },
+ },
+};
+
+static const struct scpsys_soc_data mt6795_scpsys_data = {
+ .domains_data = scpsys_domain_data_mt6795,
+ .num_domains = ARRAY_SIZE(scpsys_domain_data_mt6795),
+};
+
+#endif /* __SOC_MEDIATEK_MT6795_PM_DOMAINS_H */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __SOC_MEDIATEK_MT8167_PM_DOMAINS_H
+#define __SOC_MEDIATEK_MT8167_PM_DOMAINS_H
+
+#include "mtk-pm-domains.h"
+#include <dt-bindings/power/mt8167-power.h>
+
+#define MT8167_PWR_STATUS_MFG_2D BIT(24)
+#define MT8167_PWR_STATUS_MFG_ASYNC BIT(25)
+
+/*
+ * MT8167 power domain support
+ */
+
+static const struct scpsys_domain_data scpsys_domain_data_mt8167[] = {
+ [MT8167_POWER_DOMAIN_MM] = {
+ .name = "mm",
+ .sta_mask = PWR_STATUS_DISP,
+ .ctl_offs = SPM_DIS_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_UPDATE_TOPAXI(MT8167_TOP_AXI_PROT_EN_MM_EMI |
+ MT8167_TOP_AXI_PROT_EN_MCU_MM),
+ },
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT8167_POWER_DOMAIN_VDEC] = {
+ .name = "vdec",
+ .sta_mask = PWR_STATUS_VDEC,
+ .ctl_offs = SPM_VDE_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT8167_POWER_DOMAIN_ISP] = {
+ .name = "isp",
+ .sta_mask = PWR_STATUS_ISP,
+ .ctl_offs = SPM_ISP_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT8167_POWER_DOMAIN_MFG_ASYNC] = {
+ .name = "mfg_async",
+ .sta_mask = MT8167_PWR_STATUS_MFG_ASYNC,
+ .ctl_offs = SPM_MFG_ASYNC_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = 0,
+ .sram_pdn_ack_bits = 0,
+ .bp_infracfg = {
+ BUS_PROT_UPDATE_TOPAXI(MT8167_TOP_AXI_PROT_EN_MCU_MFG |
+ MT8167_TOP_AXI_PROT_EN_MFG_EMI),
+ },
+ },
+ [MT8167_POWER_DOMAIN_MFG_2D] = {
+ .name = "mfg_2d",
+ .sta_mask = MT8167_PWR_STATUS_MFG_2D,
+ .ctl_offs = SPM_MFG_2D_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ },
+ [MT8167_POWER_DOMAIN_MFG] = {
+ .name = "mfg",
+ .sta_mask = PWR_STATUS_MFG,
+ .ctl_offs = SPM_MFG_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ },
+ [MT8167_POWER_DOMAIN_CONN] = {
+ .name = "conn",
+ .sta_mask = PWR_STATUS_CONN,
+ .ctl_offs = SPM_CONN_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = 0,
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ .bp_infracfg = {
+ BUS_PROT_UPDATE_TOPAXI(MT8167_TOP_AXI_PROT_EN_CONN_EMI |
+ MT8167_TOP_AXI_PROT_EN_CONN_MCU |
+ MT8167_TOP_AXI_PROT_EN_MCU_CONN),
+ },
+ },
+};
+
+static const struct scpsys_soc_data mt8167_scpsys_data = {
+ .domains_data = scpsys_domain_data_mt8167,
+ .num_domains = ARRAY_SIZE(scpsys_domain_data_mt8167),
+};
+
+#endif /* __SOC_MEDIATEK_MT8167_PM_DOMAINS_H */
+
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __SOC_MEDIATEK_MT8173_PM_DOMAINS_H
+#define __SOC_MEDIATEK_MT8173_PM_DOMAINS_H
+
+#include "mtk-pm-domains.h"
+#include <dt-bindings/power/mt8173-power.h>
+
+/*
+ * MT8173 power domain support
+ */
+
+static const struct scpsys_domain_data scpsys_domain_data_mt8173[] = {
+ [MT8173_POWER_DOMAIN_VDEC] = {
+ .name = "vdec",
+ .sta_mask = PWR_STATUS_VDEC,
+ .ctl_offs = SPM_VDE_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ },
+ [MT8173_POWER_DOMAIN_VENC] = {
+ .name = "venc",
+ .sta_mask = PWR_STATUS_VENC,
+ .ctl_offs = SPM_VEN_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ },
+ [MT8173_POWER_DOMAIN_ISP] = {
+ .name = "isp",
+ .sta_mask = PWR_STATUS_ISP,
+ .ctl_offs = SPM_ISP_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ },
+ [MT8173_POWER_DOMAIN_MM] = {
+ .name = "mm",
+ .sta_mask = PWR_STATUS_DISP,
+ .ctl_offs = SPM_DIS_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_UPDATE_TOPAXI(MT8173_TOP_AXI_PROT_EN_MM_M0 |
+ MT8173_TOP_AXI_PROT_EN_MM_M1),
+ },
+ },
+ [MT8173_POWER_DOMAIN_VENC_LT] = {
+ .name = "venc_lt",
+ .sta_mask = PWR_STATUS_VENC_LT,
+ .ctl_offs = SPM_VEN2_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ },
+ [MT8173_POWER_DOMAIN_AUDIO] = {
+ .name = "audio",
+ .sta_mask = PWR_STATUS_AUDIO,
+ .ctl_offs = SPM_AUDIO_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ },
+ [MT8173_POWER_DOMAIN_USB] = {
+ .name = "usb",
+ .sta_mask = PWR_STATUS_USB,
+ .ctl_offs = SPM_USB_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT8173_POWER_DOMAIN_MFG_ASYNC] = {
+ .name = "mfg_async",
+ .sta_mask = PWR_STATUS_MFG_ASYNC,
+ .ctl_offs = SPM_MFG_ASYNC_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = 0,
+ .caps = MTK_SCPD_DOMAIN_SUPPLY,
+ },
+ [MT8173_POWER_DOMAIN_MFG_2D] = {
+ .name = "mfg_2d",
+ .sta_mask = PWR_STATUS_MFG_2D,
+ .ctl_offs = SPM_MFG_2D_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ },
+ [MT8173_POWER_DOMAIN_MFG] = {
+ .name = "mfg",
+ .sta_mask = PWR_STATUS_MFG,
+ .ctl_offs = SPM_MFG_PWR_CON,
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND,
+ .sram_pdn_bits = GENMASK(13, 8),
+ .sram_pdn_ack_bits = GENMASK(21, 16),
+ .bp_infracfg = {
+ BUS_PROT_UPDATE_TOPAXI(MT8173_TOP_AXI_PROT_EN_MFG_S |
+ MT8173_TOP_AXI_PROT_EN_MFG_M0 |
+ MT8173_TOP_AXI_PROT_EN_MFG_M1 |
+ MT8173_TOP_AXI_PROT_EN_MFG_SNOOP_OUT),
+ },
+ },
+};
+
+static const struct scpsys_soc_data mt8173_scpsys_data = {
+ .domains_data = scpsys_domain_data_mt8173,
+ .num_domains = ARRAY_SIZE(scpsys_domain_data_mt8173),
+};
+
+#endif /* __SOC_MEDIATEK_MT8173_PM_DOMAINS_H */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __SOC_MEDIATEK_MT8183_PM_DOMAINS_H
+#define __SOC_MEDIATEK_MT8183_PM_DOMAINS_H
+
+#include "mtk-pm-domains.h"
+#include <dt-bindings/power/mt8183-power.h>
+
+/*
+ * MT8183 power domain support
+ */
+
+static const struct scpsys_domain_data scpsys_domain_data_mt8183[] = {
+ [MT8183_POWER_DOMAIN_AUDIO] = {
+ .name = "audio",
+ .sta_mask = PWR_STATUS_AUDIO,
+ .ctl_offs = 0x0314,
+ .pwr_sta_offs = 0x0180,
+ .pwr_sta2nd_offs = 0x0184,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ },
+ [MT8183_POWER_DOMAIN_CONN] = {
+ .name = "conn",
+ .sta_mask = PWR_STATUS_CONN,
+ .ctl_offs = 0x032c,
+ .pwr_sta_offs = 0x0180,
+ .pwr_sta2nd_offs = 0x0184,
+ .sram_pdn_bits = 0,
+ .sram_pdn_ack_bits = 0,
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_CONN, MT8183_TOP_AXI_PROT_EN_SET,
+ MT8183_TOP_AXI_PROT_EN_CLR, MT8183_TOP_AXI_PROT_EN_STA1),
+ },
+ },
+ [MT8183_POWER_DOMAIN_MFG_ASYNC] = {
+ .name = "mfg_async",
+ .sta_mask = PWR_STATUS_MFG_ASYNC,
+ .ctl_offs = 0x0334,
+ .pwr_sta_offs = 0x0180,
+ .pwr_sta2nd_offs = 0x0184,
+ .sram_pdn_bits = 0,
+ .sram_pdn_ack_bits = 0,
+ .caps = MTK_SCPD_DOMAIN_SUPPLY,
+ },
+ [MT8183_POWER_DOMAIN_MFG] = {
+ .name = "mfg",
+ .sta_mask = PWR_STATUS_MFG,
+ .ctl_offs = 0x0338,
+ .pwr_sta_offs = 0x0180,
+ .pwr_sta2nd_offs = 0x0184,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .caps = MTK_SCPD_DOMAIN_SUPPLY,
+ },
+ [MT8183_POWER_DOMAIN_MFG_CORE0] = {
+ .name = "mfg_core0",
+ .sta_mask = BIT(7),
+ .ctl_offs = 0x034c,
+ .pwr_sta_offs = 0x0180,
+ .pwr_sta2nd_offs = 0x0184,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ },
+ [MT8183_POWER_DOMAIN_MFG_CORE1] = {
+ .name = "mfg_core1",
+ .sta_mask = BIT(20),
+ .ctl_offs = 0x0310,
+ .pwr_sta_offs = 0x0180,
+ .pwr_sta2nd_offs = 0x0184,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ },
+ [MT8183_POWER_DOMAIN_MFG_2D] = {
+ .name = "mfg_2d",
+ .sta_mask = PWR_STATUS_MFG_2D,
+ .ctl_offs = 0x0348,
+ .pwr_sta_offs = 0x0180,
+ .pwr_sta2nd_offs = 0x0184,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_1_MFG, MT8183_TOP_AXI_PROT_EN_1_SET,
+ MT8183_TOP_AXI_PROT_EN_1_CLR, MT8183_TOP_AXI_PROT_EN_STA1_1),
+ BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_MFG, MT8183_TOP_AXI_PROT_EN_SET,
+ MT8183_TOP_AXI_PROT_EN_CLR, MT8183_TOP_AXI_PROT_EN_STA1),
+ },
+ },
+ [MT8183_POWER_DOMAIN_DISP] = {
+ .name = "disp",
+ .sta_mask = PWR_STATUS_DISP,
+ .ctl_offs = 0x030c,
+ .pwr_sta_offs = 0x0180,
+ .pwr_sta2nd_offs = 0x0184,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_1_DISP, MT8183_TOP_AXI_PROT_EN_1_SET,
+ MT8183_TOP_AXI_PROT_EN_1_CLR, MT8183_TOP_AXI_PROT_EN_STA1_1),
+ BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_DISP, MT8183_TOP_AXI_PROT_EN_SET,
+ MT8183_TOP_AXI_PROT_EN_CLR, MT8183_TOP_AXI_PROT_EN_STA1),
+ },
+ .bp_smi = {
+ BUS_PROT_WR(MT8183_SMI_COMMON_SMI_CLAMP_DISP,
+ MT8183_SMI_COMMON_CLAMP_EN_SET,
+ MT8183_SMI_COMMON_CLAMP_EN_CLR,
+ MT8183_SMI_COMMON_CLAMP_EN),
+ },
+ },
+ [MT8183_POWER_DOMAIN_CAM] = {
+ .name = "cam",
+ .sta_mask = BIT(25),
+ .ctl_offs = 0x0344,
+ .pwr_sta_offs = 0x0180,
+ .pwr_sta2nd_offs = 0x0184,
+ .sram_pdn_bits = GENMASK(9, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_MM_CAM, MT8183_TOP_AXI_PROT_EN_MM_SET,
+ MT8183_TOP_AXI_PROT_EN_MM_CLR, MT8183_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_CAM, MT8183_TOP_AXI_PROT_EN_SET,
+ MT8183_TOP_AXI_PROT_EN_CLR, MT8183_TOP_AXI_PROT_EN_STA1),
+ BUS_PROT_WR_IGN(MT8183_TOP_AXI_PROT_EN_MM_CAM_2ND,
+ MT8183_TOP_AXI_PROT_EN_MM_SET,
+ MT8183_TOP_AXI_PROT_EN_MM_CLR,
+ MT8183_TOP_AXI_PROT_EN_MM_STA1),
+ },
+ .bp_smi = {
+ BUS_PROT_WR(MT8183_SMI_COMMON_SMI_CLAMP_CAM,
+ MT8183_SMI_COMMON_CLAMP_EN_SET,
+ MT8183_SMI_COMMON_CLAMP_EN_CLR,
+ MT8183_SMI_COMMON_CLAMP_EN),
+ },
+ },
+ [MT8183_POWER_DOMAIN_ISP] = {
+ .name = "isp",
+ .sta_mask = PWR_STATUS_ISP,
+ .ctl_offs = 0x0308,
+ .pwr_sta_offs = 0x0180,
+ .pwr_sta2nd_offs = 0x0184,
+ .sram_pdn_bits = GENMASK(9, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_MM_ISP,
+ MT8183_TOP_AXI_PROT_EN_MM_SET,
+ MT8183_TOP_AXI_PROT_EN_MM_CLR,
+ MT8183_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR_IGN(MT8183_TOP_AXI_PROT_EN_MM_ISP_2ND,
+ MT8183_TOP_AXI_PROT_EN_MM_SET,
+ MT8183_TOP_AXI_PROT_EN_MM_CLR,
+ MT8183_TOP_AXI_PROT_EN_MM_STA1),
+ },
+ .bp_smi = {
+ BUS_PROT_WR(MT8183_SMI_COMMON_SMI_CLAMP_ISP,
+ MT8183_SMI_COMMON_CLAMP_EN_SET,
+ MT8183_SMI_COMMON_CLAMP_EN_CLR,
+ MT8183_SMI_COMMON_CLAMP_EN),
+ },
+ },
+ [MT8183_POWER_DOMAIN_VDEC] = {
+ .name = "vdec",
+ .sta_mask = BIT(31),
+ .ctl_offs = 0x0300,
+ .pwr_sta_offs = 0x0180,
+ .pwr_sta2nd_offs = 0x0184,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_smi = {
+ BUS_PROT_WR(MT8183_SMI_COMMON_SMI_CLAMP_VDEC,
+ MT8183_SMI_COMMON_CLAMP_EN_SET,
+ MT8183_SMI_COMMON_CLAMP_EN_CLR,
+ MT8183_SMI_COMMON_CLAMP_EN),
+ },
+ },
+ [MT8183_POWER_DOMAIN_VENC] = {
+ .name = "venc",
+ .sta_mask = PWR_STATUS_VENC,
+ .ctl_offs = 0x0304,
+ .pwr_sta_offs = 0x0180,
+ .pwr_sta2nd_offs = 0x0184,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .bp_smi = {
+ BUS_PROT_WR(MT8183_SMI_COMMON_SMI_CLAMP_VENC,
+ MT8183_SMI_COMMON_CLAMP_EN_SET,
+ MT8183_SMI_COMMON_CLAMP_EN_CLR,
+ MT8183_SMI_COMMON_CLAMP_EN),
+ },
+ },
+ [MT8183_POWER_DOMAIN_VPU_TOP] = {
+ .name = "vpu_top",
+ .sta_mask = BIT(26),
+ .ctl_offs = 0x0324,
+ .pwr_sta_offs = 0x0180,
+ .pwr_sta2nd_offs = 0x0184,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_MM_VPU_TOP,
+ MT8183_TOP_AXI_PROT_EN_MM_SET,
+ MT8183_TOP_AXI_PROT_EN_MM_CLR,
+ MT8183_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_VPU_TOP,
+ MT8183_TOP_AXI_PROT_EN_SET,
+ MT8183_TOP_AXI_PROT_EN_CLR,
+ MT8183_TOP_AXI_PROT_EN_STA1),
+ BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_MM_VPU_TOP_2ND,
+ MT8183_TOP_AXI_PROT_EN_MM_SET,
+ MT8183_TOP_AXI_PROT_EN_MM_CLR,
+ MT8183_TOP_AXI_PROT_EN_MM_STA1),
+ },
+ .bp_smi = {
+ BUS_PROT_WR(MT8183_SMI_COMMON_SMI_CLAMP_VPU_TOP,
+ MT8183_SMI_COMMON_CLAMP_EN_SET,
+ MT8183_SMI_COMMON_CLAMP_EN_CLR,
+ MT8183_SMI_COMMON_CLAMP_EN),
+ },
+ },
+ [MT8183_POWER_DOMAIN_VPU_CORE0] = {
+ .name = "vpu_core0",
+ .sta_mask = BIT(27),
+ .ctl_offs = 0x33c,
+ .pwr_sta_offs = 0x0180,
+ .pwr_sta2nd_offs = 0x0184,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_MCU_VPU_CORE0,
+ MT8183_TOP_AXI_PROT_EN_MCU_SET,
+ MT8183_TOP_AXI_PROT_EN_MCU_CLR,
+ MT8183_TOP_AXI_PROT_EN_MCU_STA1),
+ BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_MCU_VPU_CORE0_2ND,
+ MT8183_TOP_AXI_PROT_EN_MCU_SET,
+ MT8183_TOP_AXI_PROT_EN_MCU_CLR,
+ MT8183_TOP_AXI_PROT_EN_MCU_STA1),
+ },
+ .caps = MTK_SCPD_SRAM_ISO,
+ },
+ [MT8183_POWER_DOMAIN_VPU_CORE1] = {
+ .name = "vpu_core1",
+ .sta_mask = BIT(28),
+ .ctl_offs = 0x0340,
+ .pwr_sta_offs = 0x0180,
+ .pwr_sta2nd_offs = 0x0184,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_MCU_VPU_CORE1,
+ MT8183_TOP_AXI_PROT_EN_MCU_SET,
+ MT8183_TOP_AXI_PROT_EN_MCU_CLR,
+ MT8183_TOP_AXI_PROT_EN_MCU_STA1),
+ BUS_PROT_WR(MT8183_TOP_AXI_PROT_EN_MCU_VPU_CORE1_2ND,
+ MT8183_TOP_AXI_PROT_EN_MCU_SET,
+ MT8183_TOP_AXI_PROT_EN_MCU_CLR,
+ MT8183_TOP_AXI_PROT_EN_MCU_STA1),
+ },
+ .caps = MTK_SCPD_SRAM_ISO,
+ },
+};
+
+static const struct scpsys_soc_data mt8183_scpsys_data = {
+ .domains_data = scpsys_domain_data_mt8183,
+ .num_domains = ARRAY_SIZE(scpsys_domain_data_mt8183),
+};
+
+#endif /* __SOC_MEDIATEK_MT8183_PM_DOMAINS_H */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
+ */
+
+#ifndef __SOC_MEDIATEK_MT8186_PM_DOMAINS_H
+#define __SOC_MEDIATEK_MT8186_PM_DOMAINS_H
+
+#include "mtk-pm-domains.h"
+#include <dt-bindings/power/mt8186-power.h>
+
+/*
+ * MT8186 power domain support
+ */
+
+static const struct scpsys_domain_data scpsys_domain_data_mt8186[] = {
+ [MT8186_POWER_DOMAIN_MFG0] = {
+ .name = "mfg0",
+ .sta_mask = BIT(2),
+ .ctl_offs = 0x308,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
+ },
+ [MT8186_POWER_DOMAIN_MFG1] = {
+ .name = "mfg1",
+ .sta_mask = BIT(3),
+ .ctl_offs = 0x30c,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_MFG1_STEP1,
+ MT8186_TOP_AXI_PROT_EN_1_SET,
+ MT8186_TOP_AXI_PROT_EN_1_CLR,
+ MT8186_TOP_AXI_PROT_EN_1_STA),
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_MFG1_STEP2,
+ MT8186_TOP_AXI_PROT_EN_SET,
+ MT8186_TOP_AXI_PROT_EN_CLR,
+ MT8186_TOP_AXI_PROT_EN_STA),
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_MFG1_STEP3,
+ MT8186_TOP_AXI_PROT_EN_SET,
+ MT8186_TOP_AXI_PROT_EN_CLR,
+ MT8186_TOP_AXI_PROT_EN_STA),
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_MFG1_STEP4,
+ MT8186_TOP_AXI_PROT_EN_1_SET,
+ MT8186_TOP_AXI_PROT_EN_1_CLR,
+ MT8186_TOP_AXI_PROT_EN_1_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
+ },
+ [MT8186_POWER_DOMAIN_MFG2] = {
+ .name = "mfg2",
+ .sta_mask = BIT(4),
+ .ctl_offs = 0x310,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8186_POWER_DOMAIN_MFG3] = {
+ .name = "mfg3",
+ .sta_mask = BIT(5),
+ .ctl_offs = 0x314,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8186_POWER_DOMAIN_SSUSB] = {
+ .name = "ssusb",
+ .sta_mask = BIT(20),
+ .ctl_offs = 0x9F0,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT8186_POWER_DOMAIN_SSUSB_P1] = {
+ .name = "ssusb_p1",
+ .sta_mask = BIT(19),
+ .ctl_offs = 0x9F4,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT8186_POWER_DOMAIN_DIS] = {
+ .name = "dis",
+ .sta_mask = BIT(21),
+ .ctl_offs = 0x354,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_DIS_STEP1,
+ MT8186_TOP_AXI_PROT_EN_1_SET,
+ MT8186_TOP_AXI_PROT_EN_1_CLR,
+ MT8186_TOP_AXI_PROT_EN_1_STA),
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_DIS_STEP2,
+ MT8186_TOP_AXI_PROT_EN_SET,
+ MT8186_TOP_AXI_PROT_EN_CLR,
+ MT8186_TOP_AXI_PROT_EN_STA),
+ },
+ },
+ [MT8186_POWER_DOMAIN_IMG] = {
+ .name = "img",
+ .sta_mask = BIT(13),
+ .ctl_offs = 0x334,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_IMG_STEP1,
+ MT8186_TOP_AXI_PROT_EN_1_SET,
+ MT8186_TOP_AXI_PROT_EN_1_CLR,
+ MT8186_TOP_AXI_PROT_EN_1_STA),
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_IMG_STEP2,
+ MT8186_TOP_AXI_PROT_EN_1_SET,
+ MT8186_TOP_AXI_PROT_EN_1_CLR,
+ MT8186_TOP_AXI_PROT_EN_1_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8186_POWER_DOMAIN_IMG2] = {
+ .name = "img2",
+ .sta_mask = BIT(14),
+ .ctl_offs = 0x338,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8186_POWER_DOMAIN_IPE] = {
+ .name = "ipe",
+ .sta_mask = BIT(15),
+ .ctl_offs = 0x33C,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_IPE_STEP1,
+ MT8186_TOP_AXI_PROT_EN_1_SET,
+ MT8186_TOP_AXI_PROT_EN_1_CLR,
+ MT8186_TOP_AXI_PROT_EN_1_STA),
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_IPE_STEP2,
+ MT8186_TOP_AXI_PROT_EN_1_SET,
+ MT8186_TOP_AXI_PROT_EN_1_CLR,
+ MT8186_TOP_AXI_PROT_EN_1_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8186_POWER_DOMAIN_CAM] = {
+ .name = "cam",
+ .sta_mask = BIT(23),
+ .ctl_offs = 0x35C,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_CAM_STEP1,
+ MT8186_TOP_AXI_PROT_EN_1_SET,
+ MT8186_TOP_AXI_PROT_EN_1_CLR,
+ MT8186_TOP_AXI_PROT_EN_1_STA),
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_CAM_STEP2,
+ MT8186_TOP_AXI_PROT_EN_1_SET,
+ MT8186_TOP_AXI_PROT_EN_1_CLR,
+ MT8186_TOP_AXI_PROT_EN_1_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8186_POWER_DOMAIN_CAM_RAWA] = {
+ .name = "cam_rawa",
+ .sta_mask = BIT(24),
+ .ctl_offs = 0x360,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8186_POWER_DOMAIN_CAM_RAWB] = {
+ .name = "cam_rawb",
+ .sta_mask = BIT(25),
+ .ctl_offs = 0x364,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8186_POWER_DOMAIN_VENC] = {
+ .name = "venc",
+ .sta_mask = BIT(18),
+ .ctl_offs = 0x348,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_VENC_STEP1,
+ MT8186_TOP_AXI_PROT_EN_1_SET,
+ MT8186_TOP_AXI_PROT_EN_1_CLR,
+ MT8186_TOP_AXI_PROT_EN_1_STA),
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_VENC_STEP2,
+ MT8186_TOP_AXI_PROT_EN_1_SET,
+ MT8186_TOP_AXI_PROT_EN_1_CLR,
+ MT8186_TOP_AXI_PROT_EN_1_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8186_POWER_DOMAIN_VDEC] = {
+ .name = "vdec",
+ .sta_mask = BIT(16),
+ .ctl_offs = 0x340,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_VDEC_STEP1,
+ MT8186_TOP_AXI_PROT_EN_1_SET,
+ MT8186_TOP_AXI_PROT_EN_1_CLR,
+ MT8186_TOP_AXI_PROT_EN_1_STA),
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_VDEC_STEP2,
+ MT8186_TOP_AXI_PROT_EN_1_SET,
+ MT8186_TOP_AXI_PROT_EN_1_CLR,
+ MT8186_TOP_AXI_PROT_EN_1_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8186_POWER_DOMAIN_WPE] = {
+ .name = "wpe",
+ .sta_mask = BIT(0),
+ .ctl_offs = 0x3F8,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_2_WPE_STEP1,
+ MT8186_TOP_AXI_PROT_EN_2_SET,
+ MT8186_TOP_AXI_PROT_EN_2_CLR,
+ MT8186_TOP_AXI_PROT_EN_2_STA),
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_2_WPE_STEP2,
+ MT8186_TOP_AXI_PROT_EN_2_SET,
+ MT8186_TOP_AXI_PROT_EN_2_CLR,
+ MT8186_TOP_AXI_PROT_EN_2_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8186_POWER_DOMAIN_CONN_ON] = {
+ .name = "conn_on",
+ .sta_mask = BIT(1),
+ .ctl_offs = 0x304,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .bp_infracfg = {
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_1_CONN_ON_STEP1,
+ MT8186_TOP_AXI_PROT_EN_1_SET,
+ MT8186_TOP_AXI_PROT_EN_1_CLR,
+ MT8186_TOP_AXI_PROT_EN_1_STA),
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_CONN_ON_STEP2,
+ MT8186_TOP_AXI_PROT_EN_SET,
+ MT8186_TOP_AXI_PROT_EN_CLR,
+ MT8186_TOP_AXI_PROT_EN_STA),
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_CONN_ON_STEP3,
+ MT8186_TOP_AXI_PROT_EN_SET,
+ MT8186_TOP_AXI_PROT_EN_CLR,
+ MT8186_TOP_AXI_PROT_EN_STA),
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_CONN_ON_STEP4,
+ MT8186_TOP_AXI_PROT_EN_SET,
+ MT8186_TOP_AXI_PROT_EN_CLR,
+ MT8186_TOP_AXI_PROT_EN_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT8186_POWER_DOMAIN_CSIRX_TOP] = {
+ .name = "csirx_top",
+ .sta_mask = BIT(6),
+ .ctl_offs = 0x318,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8186_POWER_DOMAIN_ADSP_AO] = {
+ .name = "adsp_ao",
+ .sta_mask = BIT(17),
+ .ctl_offs = 0x9FC,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ },
+ [MT8186_POWER_DOMAIN_ADSP_INFRA] = {
+ .name = "adsp_infra",
+ .sta_mask = BIT(10),
+ .ctl_offs = 0x9F8,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ },
+ [MT8186_POWER_DOMAIN_ADSP_TOP] = {
+ .name = "adsp_top",
+ .sta_mask = BIT(31),
+ .ctl_offs = 0x3E4,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_3_ADSP_TOP_STEP1,
+ MT8186_TOP_AXI_PROT_EN_3_SET,
+ MT8186_TOP_AXI_PROT_EN_3_CLR,
+ MT8186_TOP_AXI_PROT_EN_3_STA),
+ BUS_PROT_WR_IGN(MT8186_TOP_AXI_PROT_EN_3_ADSP_TOP_STEP2,
+ MT8186_TOP_AXI_PROT_EN_3_SET,
+ MT8186_TOP_AXI_PROT_EN_3_CLR,
+ MT8186_TOP_AXI_PROT_EN_3_STA),
+ },
+ .caps = MTK_SCPD_SRAM_ISO | MTK_SCPD_ACTIVE_WAKEUP,
+ },
+};
+
+static const struct scpsys_soc_data mt8186_scpsys_data = {
+ .domains_data = scpsys_domain_data_mt8186,
+ .num_domains = ARRAY_SIZE(scpsys_domain_data_mt8186),
+};
+
+#endif /* __SOC_MEDIATEK_MT8186_PM_DOMAINS_H */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Garmin Chang <garmin.chang@mediatek.com>
+ */
+
+#ifndef __SOC_MEDIATEK_MT8188_PM_DOMAINS_H
+#define __SOC_MEDIATEK_MT8188_PM_DOMAINS_H
+
+#include "mtk-pm-domains.h"
+#include <dt-bindings/power/mediatek,mt8188-power.h>
+
+/*
+ * MT8188 power domain support
+ */
+
+static const struct scpsys_domain_data scpsys_domain_data_mt8188[] = {
+ [MT8188_POWER_DOMAIN_MFG0] = {
+ .name = "mfg0",
+ .sta_mask = BIT(1),
+ .ctl_offs = 0x300,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
+ },
+ [MT8188_POWER_DOMAIN_MFG1] = {
+ .name = "mfg1",
+ .sta_mask = BIT(2),
+ .ctl_offs = 0x304,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MFG1_STEP1,
+ MT8188_TOP_AXI_PROT_EN_SET,
+ MT8188_TOP_AXI_PROT_EN_CLR,
+ MT8188_TOP_AXI_PROT_EN_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_MFG1_STEP2,
+ MT8188_TOP_AXI_PROT_EN_2_SET,
+ MT8188_TOP_AXI_PROT_EN_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_2_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_1_MFG1_STEP3,
+ MT8188_TOP_AXI_PROT_EN_1_SET,
+ MT8188_TOP_AXI_PROT_EN_1_CLR,
+ MT8188_TOP_AXI_PROT_EN_1_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_MFG1_STEP4,
+ MT8188_TOP_AXI_PROT_EN_2_SET,
+ MT8188_TOP_AXI_PROT_EN_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_2_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MFG1_STEP5,
+ MT8188_TOP_AXI_PROT_EN_SET,
+ MT8188_TOP_AXI_PROT_EN_CLR,
+ MT8188_TOP_AXI_PROT_EN_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_MFG1_STEP6,
+ MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_SET,
+ MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_CLR,
+ MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
+ },
+ [MT8188_POWER_DOMAIN_MFG2] = {
+ .name = "mfg2",
+ .sta_mask = BIT(3),
+ .ctl_offs = 0x308,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8188_POWER_DOMAIN_MFG3] = {
+ .name = "mfg3",
+ .sta_mask = BIT(4),
+ .ctl_offs = 0x30C,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8188_POWER_DOMAIN_MFG4] = {
+ .name = "mfg4",
+ .sta_mask = BIT(5),
+ .ctl_offs = 0x310,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8188_POWER_DOMAIN_PEXTP_MAC_P0] = {
+ .name = "pextp_mac_p0",
+ .sta_mask = BIT(10),
+ .ctl_offs = 0x324,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_PEXTP_MAC_P0_STEP1,
+ MT8188_TOP_AXI_PROT_EN_SET,
+ MT8188_TOP_AXI_PROT_EN_CLR,
+ MT8188_TOP_AXI_PROT_EN_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_PEXTP_MAC_P0_STEP2,
+ MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_SET,
+ MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_CLR,
+ MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8188_POWER_DOMAIN_PEXTP_PHY_TOP] = {
+ .name = "pextp_phy_top",
+ .sta_mask = BIT(12),
+ .ctl_offs = 0x328,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8188_POWER_DOMAIN_CSIRX_TOP] = {
+ .name = "pextp_csirx_top",
+ .sta_mask = BIT(17),
+ .ctl_offs = 0x3C4,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8188_POWER_DOMAIN_ETHER] = {
+ .name = "ether",
+ .sta_mask = BIT(1),
+ .ctl_offs = 0x338,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_ETHER_STEP1,
+ MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_SET,
+ MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_CLR,
+ MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT8188_POWER_DOMAIN_HDMI_TX] = {
+ .name = "hdmi_tx",
+ .sta_mask = BIT(18),
+ .ctl_offs = 0x37C,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_HDMI_TX_STEP1,
+ MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_SET,
+ MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_CLR,
+ MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT8188_POWER_DOMAIN_ADSP_AO] = {
+ .name = "adsp_ao",
+ .sta_mask = BIT(10),
+ .ctl_offs = 0x35C,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_ADSP_AO_STEP1,
+ MT8188_TOP_AXI_PROT_EN_2_SET,
+ MT8188_TOP_AXI_PROT_EN_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_2_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_ADSP_AO_STEP2,
+ MT8188_TOP_AXI_PROT_EN_2_SET,
+ MT8188_TOP_AXI_PROT_EN_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_2_STA),
+ },
+ .caps = MTK_SCPD_ALWAYS_ON,
+ },
+ [MT8188_POWER_DOMAIN_ADSP_INFRA] = {
+ .name = "adsp_infra",
+ .sta_mask = BIT(9),
+ .ctl_offs = 0x358,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_ADSP_INFRA_STEP1,
+ MT8188_TOP_AXI_PROT_EN_2_SET,
+ MT8188_TOP_AXI_PROT_EN_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_2_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_ADSP_INFRA_STEP2,
+ MT8188_TOP_AXI_PROT_EN_2_SET,
+ MT8188_TOP_AXI_PROT_EN_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_2_STA),
+ },
+ .caps = MTK_SCPD_SRAM_ISO | MTK_SCPD_ALWAYS_ON,
+ },
+ [MT8188_POWER_DOMAIN_ADSP] = {
+ .name = "adsp",
+ .sta_mask = BIT(8),
+ .ctl_offs = 0x354,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_ADSP_STEP1,
+ MT8188_TOP_AXI_PROT_EN_2_SET,
+ MT8188_TOP_AXI_PROT_EN_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_2_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_ADSP_STEP2,
+ MT8188_TOP_AXI_PROT_EN_2_SET,
+ MT8188_TOP_AXI_PROT_EN_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_2_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_SRAM_ISO | MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT8188_POWER_DOMAIN_AUDIO] = {
+ .name = "audio",
+ .sta_mask = BIT(6),
+ .ctl_offs = 0x34C,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_AUDIO_STEP1,
+ MT8188_TOP_AXI_PROT_EN_2_SET,
+ MT8188_TOP_AXI_PROT_EN_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_2_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_AUDIO_STEP2,
+ MT8188_TOP_AXI_PROT_EN_2_SET,
+ MT8188_TOP_AXI_PROT_EN_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_2_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT8188_POWER_DOMAIN_AUDIO_ASRC] = {
+ .name = "audio_asrc",
+ .sta_mask = BIT(7),
+ .ctl_offs = 0x350,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_AUDIO_ASRC_STEP1,
+ MT8188_TOP_AXI_PROT_EN_2_SET,
+ MT8188_TOP_AXI_PROT_EN_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_2_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_AUDIO_ASRC_STEP2,
+ MT8188_TOP_AXI_PROT_EN_2_SET,
+ MT8188_TOP_AXI_PROT_EN_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_2_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8188_POWER_DOMAIN_VPPSYS0] = {
+ .name = "vppsys0",
+ .sta_mask = BIT(11),
+ .ctl_offs = 0x360,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_VPPSYS0_STEP1,
+ MT8188_TOP_AXI_PROT_EN_SET,
+ MT8188_TOP_AXI_PROT_EN_CLR,
+ MT8188_TOP_AXI_PROT_EN_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_VPPSYS0_STEP2,
+ MT8188_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_2_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_VPPSYS0_STEP3,
+ MT8188_TOP_AXI_PROT_EN_SET,
+ MT8188_TOP_AXI_PROT_EN_CLR,
+ MT8188_TOP_AXI_PROT_EN_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_VPPSYS0_STEP4,
+ MT8188_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_2_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_VPPSYS0_STEP5,
+ MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_SET,
+ MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_CLR,
+ MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_STA),
+ },
+ },
+ [MT8188_POWER_DOMAIN_VDOSYS0] = {
+ .name = "vdosys0",
+ .sta_mask = BIT(13),
+ .ctl_offs = 0x368,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VDOSYS0_STEP1,
+ MT8188_TOP_AXI_PROT_EN_MM_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_VDOSYS0_STEP2,
+ MT8188_TOP_AXI_PROT_EN_SET,
+ MT8188_TOP_AXI_PROT_EN_CLR,
+ MT8188_TOP_AXI_PROT_EN_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_VDOSYS0_STEP3,
+ MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_SET,
+ MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_CLR,
+ MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_STA),
+ },
+ },
+ [MT8188_POWER_DOMAIN_VDOSYS1] = {
+ .name = "vdosys1",
+ .sta_mask = BIT(14),
+ .ctl_offs = 0x36C,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VDOSYS1_STEP1,
+ MT8188_TOP_AXI_PROT_EN_MM_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VDOSYS1_STEP2,
+ MT8188_TOP_AXI_PROT_EN_MM_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_VDOSYS1_STEP3,
+ MT8188_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_2_STA),
+ },
+ },
+ [MT8188_POWER_DOMAIN_DP_TX] = {
+ .name = "dp_tx",
+ .sta_mask = BIT(16),
+ .ctl_offs = 0x374,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_DP_TX_STEP1,
+ MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_SET,
+ MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_CLR,
+ MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8188_POWER_DOMAIN_EDP_TX] = {
+ .name = "edp_tx",
+ .sta_mask = BIT(17),
+ .ctl_offs = 0x378,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_EDP_TX_STEP1,
+ MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_SET,
+ MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_CLR,
+ MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8188_POWER_DOMAIN_VPPSYS1] = {
+ .name = "vppsys1",
+ .sta_mask = BIT(12),
+ .ctl_offs = 0x364,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VPPSYS1_STEP1,
+ MT8188_TOP_AXI_PROT_EN_MM_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VPPSYS1_STEP2,
+ MT8188_TOP_AXI_PROT_EN_MM_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_VPPSYS1_STEP3,
+ MT8188_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_2_STA),
+ },
+ },
+ [MT8188_POWER_DOMAIN_WPE] = {
+ .name = "wpe",
+ .sta_mask = BIT(15),
+ .ctl_offs = 0x370,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_WPE_STEP1,
+ MT8188_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_2_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_WPE_STEP2,
+ MT8188_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_2_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8188_POWER_DOMAIN_VDEC0] = {
+ .name = "vdec0",
+ .sta_mask = BIT(19),
+ .ctl_offs = 0x380,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VDEC0_STEP1,
+ MT8188_TOP_AXI_PROT_EN_MM_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_VDEC0_STEP2,
+ MT8188_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_2_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8188_POWER_DOMAIN_VDEC1] = {
+ .name = "vdec1",
+ .sta_mask = BIT(20),
+ .ctl_offs = 0x384,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VDEC1_STEP1,
+ MT8188_TOP_AXI_PROT_EN_MM_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VDEC1_STEP2,
+ MT8188_TOP_AXI_PROT_EN_MM_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8188_POWER_DOMAIN_VENC] = {
+ .name = "venc",
+ .sta_mask = BIT(22),
+ .ctl_offs = 0x38C,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VENC_STEP1,
+ MT8188_TOP_AXI_PROT_EN_MM_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_VENC_STEP2,
+ MT8188_TOP_AXI_PROT_EN_MM_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_VENC_STEP3,
+ MT8188_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_2_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8188_POWER_DOMAIN_IMG_VCORE] = {
+ .name = "vcore",
+ .sta_mask = BIT(28),
+ .ctl_offs = 0x3A4,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_IMG_VCORE_STEP1,
+ MT8188_TOP_AXI_PROT_EN_MM_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_IMG_VCORE_STEP2,
+ MT8188_TOP_AXI_PROT_EN_MM_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_IMG_VCORE_STEP3,
+ MT8188_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_2_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
+ },
+ [MT8188_POWER_DOMAIN_IMG_MAIN] = {
+ .name = "img_main",
+ .sta_mask = BIT(29),
+ .ctl_offs = 0x3A8,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_IMG_MAIN_STEP1,
+ MT8188_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_2_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_IMG_MAIN_STEP2,
+ MT8188_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_2_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8188_POWER_DOMAIN_DIP] = {
+ .name = "dip",
+ .sta_mask = BIT(30),
+ .ctl_offs = 0x3AC,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8188_POWER_DOMAIN_IPE] = {
+ .name = "ipe",
+ .sta_mask = BIT(31),
+ .ctl_offs = 0x3B0,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8188_POWER_DOMAIN_CAM_VCORE] = {
+ .name = "cam_vcore",
+ .sta_mask = BIT(27),
+ .ctl_offs = 0x3A0,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_CAM_VCORE_STEP1,
+ MT8188_TOP_AXI_PROT_EN_MM_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_CAM_VCORE_STEP2,
+ MT8188_TOP_AXI_PROT_EN_2_SET,
+ MT8188_TOP_AXI_PROT_EN_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_2_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_1_CAM_VCORE_STEP3,
+ MT8188_TOP_AXI_PROT_EN_1_SET,
+ MT8188_TOP_AXI_PROT_EN_1_CLR,
+ MT8188_TOP_AXI_PROT_EN_1_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_CAM_VCORE_STEP4,
+ MT8188_TOP_AXI_PROT_EN_MM_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_CAM_VCORE_STEP5,
+ MT8188_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_2_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
+ },
+ [MT8188_POWER_DOMAIN_CAM_MAIN] = {
+ .name = "cam_main",
+ .sta_mask = BIT(24),
+ .ctl_offs = 0x394,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_CAM_MAIN_STEP1,
+ MT8188_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_2_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_CAM_MAIN_STEP2,
+ MT8188_TOP_AXI_PROT_EN_2_SET,
+ MT8188_TOP_AXI_PROT_EN_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_2_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_MM_2_CAM_MAIN_STEP3,
+ MT8188_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8188_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_MM_2_STA),
+ BUS_PROT_WR(MT8188_TOP_AXI_PROT_EN_2_CAM_MAIN_STEP4,
+ MT8188_TOP_AXI_PROT_EN_2_SET,
+ MT8188_TOP_AXI_PROT_EN_2_CLR,
+ MT8188_TOP_AXI_PROT_EN_2_STA),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8188_POWER_DOMAIN_CAM_SUBA] = {
+ .name = "cam_suba",
+ .sta_mask = BIT(25),
+ .ctl_offs = 0x398,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8188_POWER_DOMAIN_CAM_SUBB] = {
+ .name = "cam_subb",
+ .sta_mask = BIT(26),
+ .ctl_offs = 0x39C,
+ .pwr_sta_offs = 0x16C,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = BIT(8),
+ .sram_pdn_ack_bits = BIT(12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+};
+
+static const struct scpsys_soc_data mt8188_scpsys_data = {
+ .domains_data = scpsys_domain_data_mt8188,
+ .num_domains = ARRAY_SIZE(scpsys_domain_data_mt8188),
+};
+
+#endif /* __SOC_MEDIATEK_MT8188_PM_DOMAINS_H */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __SOC_MEDIATEK_MT8192_PM_DOMAINS_H
+#define __SOC_MEDIATEK_MT8192_PM_DOMAINS_H
+
+#include "mtk-pm-domains.h"
+#include <dt-bindings/power/mt8192-power.h>
+
+/*
+ * MT8192 power domain support
+ */
+
+static const struct scpsys_domain_data scpsys_domain_data_mt8192[] = {
+ [MT8192_POWER_DOMAIN_AUDIO] = {
+ .name = "audio",
+ .sta_mask = BIT(21),
+ .ctl_offs = 0x0354,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_2_AUDIO,
+ MT8192_TOP_AXI_PROT_EN_2_SET,
+ MT8192_TOP_AXI_PROT_EN_2_CLR,
+ MT8192_TOP_AXI_PROT_EN_2_STA1),
+ },
+ },
+ [MT8192_POWER_DOMAIN_CONN] = {
+ .name = "conn",
+ .sta_mask = PWR_STATUS_CONN,
+ .ctl_offs = 0x0304,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = 0,
+ .sram_pdn_ack_bits = 0,
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_CONN,
+ MT8192_TOP_AXI_PROT_EN_SET,
+ MT8192_TOP_AXI_PROT_EN_CLR,
+ MT8192_TOP_AXI_PROT_EN_STA1),
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_CONN_2ND,
+ MT8192_TOP_AXI_PROT_EN_SET,
+ MT8192_TOP_AXI_PROT_EN_CLR,
+ MT8192_TOP_AXI_PROT_EN_STA1),
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_1_CONN,
+ MT8192_TOP_AXI_PROT_EN_1_SET,
+ MT8192_TOP_AXI_PROT_EN_1_CLR,
+ MT8192_TOP_AXI_PROT_EN_1_STA1),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8192_POWER_DOMAIN_MFG0] = {
+ .name = "mfg0",
+ .sta_mask = BIT(2),
+ .ctl_offs = 0x0308,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .caps = MTK_SCPD_DOMAIN_SUPPLY,
+ },
+ [MT8192_POWER_DOMAIN_MFG1] = {
+ .name = "mfg1",
+ .sta_mask = BIT(3),
+ .ctl_offs = 0x030c,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_1_MFG1,
+ MT8192_TOP_AXI_PROT_EN_1_SET,
+ MT8192_TOP_AXI_PROT_EN_1_CLR,
+ MT8192_TOP_AXI_PROT_EN_1_STA1),
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_2_MFG1,
+ MT8192_TOP_AXI_PROT_EN_2_SET,
+ MT8192_TOP_AXI_PROT_EN_2_CLR,
+ MT8192_TOP_AXI_PROT_EN_2_STA1),
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MFG1,
+ MT8192_TOP_AXI_PROT_EN_SET,
+ MT8192_TOP_AXI_PROT_EN_CLR,
+ MT8192_TOP_AXI_PROT_EN_STA1),
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_2_MFG1_2ND,
+ MT8192_TOP_AXI_PROT_EN_2_SET,
+ MT8192_TOP_AXI_PROT_EN_2_CLR,
+ MT8192_TOP_AXI_PROT_EN_2_STA1),
+ },
+ .caps = MTK_SCPD_DOMAIN_SUPPLY,
+ },
+ [MT8192_POWER_DOMAIN_MFG2] = {
+ .name = "mfg2",
+ .sta_mask = BIT(4),
+ .ctl_offs = 0x0310,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ },
+ [MT8192_POWER_DOMAIN_MFG3] = {
+ .name = "mfg3",
+ .sta_mask = BIT(5),
+ .ctl_offs = 0x0314,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ },
+ [MT8192_POWER_DOMAIN_MFG4] = {
+ .name = "mfg4",
+ .sta_mask = BIT(6),
+ .ctl_offs = 0x0318,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ },
+ [MT8192_POWER_DOMAIN_MFG5] = {
+ .name = "mfg5",
+ .sta_mask = BIT(7),
+ .ctl_offs = 0x031c,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ },
+ [MT8192_POWER_DOMAIN_MFG6] = {
+ .name = "mfg6",
+ .sta_mask = BIT(8),
+ .ctl_offs = 0x0320,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ },
+ [MT8192_POWER_DOMAIN_DISP] = {
+ .name = "disp",
+ .sta_mask = BIT(20),
+ .ctl_offs = 0x0350,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR_IGN(MT8192_TOP_AXI_PROT_EN_MM_DISP,
+ MT8192_TOP_AXI_PROT_EN_MM_SET,
+ MT8192_TOP_AXI_PROT_EN_MM_CLR,
+ MT8192_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR_IGN(MT8192_TOP_AXI_PROT_EN_MM_2_DISP,
+ MT8192_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8192_TOP_AXI_PROT_EN_MM_2_STA1),
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_DISP,
+ MT8192_TOP_AXI_PROT_EN_SET,
+ MT8192_TOP_AXI_PROT_EN_CLR,
+ MT8192_TOP_AXI_PROT_EN_STA1),
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_DISP_2ND,
+ MT8192_TOP_AXI_PROT_EN_MM_SET,
+ MT8192_TOP_AXI_PROT_EN_MM_CLR,
+ MT8192_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_2_DISP_2ND,
+ MT8192_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8192_TOP_AXI_PROT_EN_MM_2_STA1),
+ },
+ },
+ [MT8192_POWER_DOMAIN_IPE] = {
+ .name = "ipe",
+ .sta_mask = BIT(14),
+ .ctl_offs = 0x0338,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_IPE,
+ MT8192_TOP_AXI_PROT_EN_MM_SET,
+ MT8192_TOP_AXI_PROT_EN_MM_CLR,
+ MT8192_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_IPE_2ND,
+ MT8192_TOP_AXI_PROT_EN_MM_SET,
+ MT8192_TOP_AXI_PROT_EN_MM_CLR,
+ MT8192_TOP_AXI_PROT_EN_MM_STA1),
+ },
+ },
+ [MT8192_POWER_DOMAIN_ISP] = {
+ .name = "isp",
+ .sta_mask = BIT(12),
+ .ctl_offs = 0x0330,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_2_ISP,
+ MT8192_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8192_TOP_AXI_PROT_EN_MM_2_STA1),
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_2_ISP_2ND,
+ MT8192_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8192_TOP_AXI_PROT_EN_MM_2_STA1),
+ },
+ },
+ [MT8192_POWER_DOMAIN_ISP2] = {
+ .name = "isp2",
+ .sta_mask = BIT(13),
+ .ctl_offs = 0x0334,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_ISP2,
+ MT8192_TOP_AXI_PROT_EN_MM_SET,
+ MT8192_TOP_AXI_PROT_EN_MM_CLR,
+ MT8192_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_ISP2_2ND,
+ MT8192_TOP_AXI_PROT_EN_MM_SET,
+ MT8192_TOP_AXI_PROT_EN_MM_CLR,
+ MT8192_TOP_AXI_PROT_EN_MM_STA1),
+ },
+ },
+ [MT8192_POWER_DOMAIN_MDP] = {
+ .name = "mdp",
+ .sta_mask = BIT(19),
+ .ctl_offs = 0x034c,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_2_MDP,
+ MT8192_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8192_TOP_AXI_PROT_EN_MM_2_STA1),
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_2_MDP_2ND,
+ MT8192_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8192_TOP_AXI_PROT_EN_MM_2_STA1),
+ },
+ },
+ [MT8192_POWER_DOMAIN_VENC] = {
+ .name = "venc",
+ .sta_mask = BIT(17),
+ .ctl_offs = 0x0344,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_VENC,
+ MT8192_TOP_AXI_PROT_EN_MM_SET,
+ MT8192_TOP_AXI_PROT_EN_MM_CLR,
+ MT8192_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_VENC_2ND,
+ MT8192_TOP_AXI_PROT_EN_MM_SET,
+ MT8192_TOP_AXI_PROT_EN_MM_CLR,
+ MT8192_TOP_AXI_PROT_EN_MM_STA1),
+ },
+ },
+ [MT8192_POWER_DOMAIN_VDEC] = {
+ .name = "vdec",
+ .sta_mask = BIT(15),
+ .ctl_offs = 0x033c,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_VDEC,
+ MT8192_TOP_AXI_PROT_EN_MM_SET,
+ MT8192_TOP_AXI_PROT_EN_MM_CLR,
+ MT8192_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_VDEC_2ND,
+ MT8192_TOP_AXI_PROT_EN_MM_SET,
+ MT8192_TOP_AXI_PROT_EN_MM_CLR,
+ MT8192_TOP_AXI_PROT_EN_MM_STA1),
+ },
+ },
+ [MT8192_POWER_DOMAIN_VDEC2] = {
+ .name = "vdec2",
+ .sta_mask = BIT(16),
+ .ctl_offs = 0x0340,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ },
+ [MT8192_POWER_DOMAIN_CAM] = {
+ .name = "cam",
+ .sta_mask = BIT(23),
+ .ctl_offs = 0x035c,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_2_CAM,
+ MT8192_TOP_AXI_PROT_EN_2_SET,
+ MT8192_TOP_AXI_PROT_EN_2_CLR,
+ MT8192_TOP_AXI_PROT_EN_2_STA1),
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_CAM,
+ MT8192_TOP_AXI_PROT_EN_MM_SET,
+ MT8192_TOP_AXI_PROT_EN_MM_CLR,
+ MT8192_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_1_CAM,
+ MT8192_TOP_AXI_PROT_EN_1_SET,
+ MT8192_TOP_AXI_PROT_EN_1_CLR,
+ MT8192_TOP_AXI_PROT_EN_1_STA1),
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_MM_CAM_2ND,
+ MT8192_TOP_AXI_PROT_EN_MM_SET,
+ MT8192_TOP_AXI_PROT_EN_MM_CLR,
+ MT8192_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8192_TOP_AXI_PROT_EN_VDNR_CAM,
+ MT8192_TOP_AXI_PROT_EN_VDNR_SET,
+ MT8192_TOP_AXI_PROT_EN_VDNR_CLR,
+ MT8192_TOP_AXI_PROT_EN_VDNR_STA1),
+ },
+ },
+ [MT8192_POWER_DOMAIN_CAM_RAWA] = {
+ .name = "cam_rawa",
+ .sta_mask = BIT(24),
+ .ctl_offs = 0x0360,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ },
+ [MT8192_POWER_DOMAIN_CAM_RAWB] = {
+ .name = "cam_rawb",
+ .sta_mask = BIT(25),
+ .ctl_offs = 0x0364,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ },
+ [MT8192_POWER_DOMAIN_CAM_RAWC] = {
+ .name = "cam_rawc",
+ .sta_mask = BIT(26),
+ .ctl_offs = 0x0368,
+ .pwr_sta_offs = 0x016c,
+ .pwr_sta2nd_offs = 0x0170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ },
+};
+
+static const struct scpsys_soc_data mt8192_scpsys_data = {
+ .domains_data = scpsys_domain_data_mt8192,
+ .num_domains = ARRAY_SIZE(scpsys_domain_data_mt8192),
+};
+
+#endif /* __SOC_MEDIATEK_MT8192_PM_DOMAINS_H */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2021 MediaTek Inc.
+ * Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
+ */
+
+#ifndef __SOC_MEDIATEK_MT8195_PM_DOMAINS_H
+#define __SOC_MEDIATEK_MT8195_PM_DOMAINS_H
+
+#include "mtk-pm-domains.h"
+#include <dt-bindings/power/mt8195-power.h>
+
+/*
+ * MT8195 power domain support
+ */
+
+static const struct scpsys_domain_data scpsys_domain_data_mt8195[] = {
+ [MT8195_POWER_DOMAIN_PCIE_MAC_P0] = {
+ .name = "pcie_mac_p0",
+ .sta_mask = BIT(11),
+ .ctl_offs = 0x328,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_VDNR_PCIE_MAC_P0,
+ MT8195_TOP_AXI_PROT_EN_VDNR_SET,
+ MT8195_TOP_AXI_PROT_EN_VDNR_CLR,
+ MT8195_TOP_AXI_PROT_EN_VDNR_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_VDNR_1_PCIE_MAC_P0,
+ MT8195_TOP_AXI_PROT_EN_VDNR_1_SET,
+ MT8195_TOP_AXI_PROT_EN_VDNR_1_CLR,
+ MT8195_TOP_AXI_PROT_EN_VDNR_1_STA1),
+ },
+ },
+ [MT8195_POWER_DOMAIN_PCIE_MAC_P1] = {
+ .name = "pcie_mac_p1",
+ .sta_mask = BIT(12),
+ .ctl_offs = 0x32C,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_VDNR_PCIE_MAC_P1,
+ MT8195_TOP_AXI_PROT_EN_VDNR_SET,
+ MT8195_TOP_AXI_PROT_EN_VDNR_CLR,
+ MT8195_TOP_AXI_PROT_EN_VDNR_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_VDNR_1_PCIE_MAC_P1,
+ MT8195_TOP_AXI_PROT_EN_VDNR_1_SET,
+ MT8195_TOP_AXI_PROT_EN_VDNR_1_CLR,
+ MT8195_TOP_AXI_PROT_EN_VDNR_1_STA1),
+ },
+ },
+ [MT8195_POWER_DOMAIN_PCIE_PHY] = {
+ .name = "pcie_phy",
+ .sta_mask = BIT(13),
+ .ctl_offs = 0x330,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT8195_POWER_DOMAIN_SSUSB_PCIE_PHY] = {
+ .name = "ssusb_pcie_phy",
+ .sta_mask = BIT(14),
+ .ctl_offs = 0x334,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .caps = MTK_SCPD_ACTIVE_WAKEUP | MTK_SCPD_ALWAYS_ON,
+ },
+ [MT8195_POWER_DOMAIN_CSI_RX_TOP] = {
+ .name = "csi_rx_top",
+ .sta_mask = BIT(18),
+ .ctl_offs = 0x3C4,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_ETHER] = {
+ .name = "ether",
+ .sta_mask = BIT(3),
+ .ctl_offs = 0x344,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT8195_POWER_DOMAIN_ADSP] = {
+ .name = "adsp",
+ .sta_mask = BIT(10),
+ .ctl_offs = 0x360,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_2_ADSP,
+ MT8195_TOP_AXI_PROT_EN_2_SET,
+ MT8195_TOP_AXI_PROT_EN_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_2_STA1),
+ },
+ .caps = MTK_SCPD_SRAM_ISO | MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT8195_POWER_DOMAIN_AUDIO] = {
+ .name = "audio",
+ .sta_mask = BIT(8),
+ .ctl_offs = 0x358,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_2_AUDIO,
+ MT8195_TOP_AXI_PROT_EN_2_SET,
+ MT8195_TOP_AXI_PROT_EN_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_2_STA1),
+ },
+ },
+ [MT8195_POWER_DOMAIN_MFG0] = {
+ .name = "mfg0",
+ .sta_mask = BIT(1),
+ .ctl_offs = 0x300,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
+ },
+ [MT8195_POWER_DOMAIN_MFG1] = {
+ .name = "mfg1",
+ .sta_mask = BIT(2),
+ .ctl_offs = 0x304,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MFG1,
+ MT8195_TOP_AXI_PROT_EN_SET,
+ MT8195_TOP_AXI_PROT_EN_CLR,
+ MT8195_TOP_AXI_PROT_EN_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_2_MFG1,
+ MT8195_TOP_AXI_PROT_EN_2_SET,
+ MT8195_TOP_AXI_PROT_EN_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_2_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_1_MFG1,
+ MT8195_TOP_AXI_PROT_EN_1_SET,
+ MT8195_TOP_AXI_PROT_EN_1_CLR,
+ MT8195_TOP_AXI_PROT_EN_1_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_2_MFG1_2ND,
+ MT8195_TOP_AXI_PROT_EN_2_SET,
+ MT8195_TOP_AXI_PROT_EN_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_2_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MFG1_2ND,
+ MT8195_TOP_AXI_PROT_EN_SET,
+ MT8195_TOP_AXI_PROT_EN_CLR,
+ MT8195_TOP_AXI_PROT_EN_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_MFG1,
+ MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_SET,
+ MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_CLR,
+ MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_STA1),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
+ },
+ [MT8195_POWER_DOMAIN_MFG2] = {
+ .name = "mfg2",
+ .sta_mask = BIT(3),
+ .ctl_offs = 0x308,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_MFG3] = {
+ .name = "mfg3",
+ .sta_mask = BIT(4),
+ .ctl_offs = 0x30C,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_MFG4] = {
+ .name = "mfg4",
+ .sta_mask = BIT(5),
+ .ctl_offs = 0x310,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_MFG5] = {
+ .name = "mfg5",
+ .sta_mask = BIT(6),
+ .ctl_offs = 0x314,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_MFG6] = {
+ .name = "mfg6",
+ .sta_mask = BIT(7),
+ .ctl_offs = 0x318,
+ .pwr_sta_offs = 0x174,
+ .pwr_sta2nd_offs = 0x178,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_VPPSYS0] = {
+ .name = "vppsys0",
+ .sta_mask = BIT(11),
+ .ctl_offs = 0x364,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_VPPSYS0,
+ MT8195_TOP_AXI_PROT_EN_SET,
+ MT8195_TOP_AXI_PROT_EN_CLR,
+ MT8195_TOP_AXI_PROT_EN_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VPPSYS0,
+ MT8195_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_VPPSYS0_2ND,
+ MT8195_TOP_AXI_PROT_EN_SET,
+ MT8195_TOP_AXI_PROT_EN_CLR,
+ MT8195_TOP_AXI_PROT_EN_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VPPSYS0_2ND,
+ MT8195_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_VPPSYS0,
+ MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_SET,
+ MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_CLR,
+ MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_STA1),
+ },
+ },
+ [MT8195_POWER_DOMAIN_VDOSYS0] = {
+ .name = "vdosys0",
+ .sta_mask = BIT(13),
+ .ctl_offs = 0x36C,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VDOSYS0,
+ MT8195_TOP_AXI_PROT_EN_MM_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_VDOSYS0,
+ MT8195_TOP_AXI_PROT_EN_SET,
+ MT8195_TOP_AXI_PROT_EN_CLR,
+ MT8195_TOP_AXI_PROT_EN_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_VDOSYS0,
+ MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_SET,
+ MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_CLR,
+ MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_STA1),
+ },
+ },
+ [MT8195_POWER_DOMAIN_VPPSYS1] = {
+ .name = "vppsys1",
+ .sta_mask = BIT(12),
+ .ctl_offs = 0x368,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VPPSYS1,
+ MT8195_TOP_AXI_PROT_EN_MM_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VPPSYS1_2ND,
+ MT8195_TOP_AXI_PROT_EN_MM_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VPPSYS1,
+ MT8195_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
+ },
+ },
+ [MT8195_POWER_DOMAIN_VDOSYS1] = {
+ .name = "vdosys1",
+ .sta_mask = BIT(14),
+ .ctl_offs = 0x370,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VDOSYS1,
+ MT8195_TOP_AXI_PROT_EN_MM_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VDOSYS1_2ND,
+ MT8195_TOP_AXI_PROT_EN_MM_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VDOSYS1,
+ MT8195_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
+ },
+ },
+ [MT8195_POWER_DOMAIN_DP_TX] = {
+ .name = "dp_tx",
+ .sta_mask = BIT(16),
+ .ctl_offs = 0x378,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_VDNR_1_DP_TX,
+ MT8195_TOP_AXI_PROT_EN_VDNR_1_SET,
+ MT8195_TOP_AXI_PROT_EN_VDNR_1_CLR,
+ MT8195_TOP_AXI_PROT_EN_VDNR_1_STA1),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_EPD_TX] = {
+ .name = "epd_tx",
+ .sta_mask = BIT(17),
+ .ctl_offs = 0x37C,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_VDNR_1_EPD_TX,
+ MT8195_TOP_AXI_PROT_EN_VDNR_1_SET,
+ MT8195_TOP_AXI_PROT_EN_VDNR_1_CLR,
+ MT8195_TOP_AXI_PROT_EN_VDNR_1_STA1),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_HDMI_TX] = {
+ .name = "hdmi_tx",
+ .sta_mask = BIT(18),
+ .ctl_offs = 0x380,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT8195_POWER_DOMAIN_WPESYS] = {
+ .name = "wpesys",
+ .sta_mask = BIT(15),
+ .ctl_offs = 0x374,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_WPESYS,
+ MT8195_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_WPESYS,
+ MT8195_TOP_AXI_PROT_EN_MM_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_WPESYS_2ND,
+ MT8195_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
+ },
+ },
+ [MT8195_POWER_DOMAIN_VDEC0] = {
+ .name = "vdec0",
+ .sta_mask = BIT(20),
+ .ctl_offs = 0x388,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VDEC0,
+ MT8195_TOP_AXI_PROT_EN_MM_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VDEC0,
+ MT8195_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VDEC0_2ND,
+ MT8195_TOP_AXI_PROT_EN_MM_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VDEC0_2ND,
+ MT8195_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_VDEC1] = {
+ .name = "vdec1",
+ .sta_mask = BIT(21),
+ .ctl_offs = 0x38C,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VDEC1,
+ MT8195_TOP_AXI_PROT_EN_MM_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VDEC1_2ND,
+ MT8195_TOP_AXI_PROT_EN_MM_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_STA1),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_VDEC2] = {
+ .name = "vdec2",
+ .sta_mask = BIT(22),
+ .ctl_offs = 0x390,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VDEC2,
+ MT8195_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VDEC2_2ND,
+ MT8195_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_VENC] = {
+ .name = "venc",
+ .sta_mask = BIT(23),
+ .ctl_offs = 0x394,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VENC,
+ MT8195_TOP_AXI_PROT_EN_MM_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VENC_2ND,
+ MT8195_TOP_AXI_PROT_EN_MM_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VENC,
+ MT8195_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_VENC_CORE1] = {
+ .name = "venc_core1",
+ .sta_mask = BIT(24),
+ .ctl_offs = 0x398,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_VENC_CORE1,
+ MT8195_TOP_AXI_PROT_EN_MM_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_VENC_CORE1,
+ MT8195_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_IMG] = {
+ .name = "img",
+ .sta_mask = BIT(29),
+ .ctl_offs = 0x3AC,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_IMG,
+ MT8195_TOP_AXI_PROT_EN_MM_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_IMG_2ND,
+ MT8195_TOP_AXI_PROT_EN_MM_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_STA1),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_DIP] = {
+ .name = "dip",
+ .sta_mask = BIT(30),
+ .ctl_offs = 0x3B0,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_IPE] = {
+ .name = "ipe",
+ .sta_mask = BIT(31),
+ .ctl_offs = 0x3B4,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_IPE,
+ MT8195_TOP_AXI_PROT_EN_MM_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_IPE,
+ MT8195_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_CAM] = {
+ .name = "cam",
+ .sta_mask = BIT(25),
+ .ctl_offs = 0x39C,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .bp_infracfg = {
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_2_CAM,
+ MT8195_TOP_AXI_PROT_EN_2_SET,
+ MT8195_TOP_AXI_PROT_EN_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_2_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_CAM,
+ MT8195_TOP_AXI_PROT_EN_MM_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_1_CAM,
+ MT8195_TOP_AXI_PROT_EN_1_SET,
+ MT8195_TOP_AXI_PROT_EN_1_CLR,
+ MT8195_TOP_AXI_PROT_EN_1_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_CAM_2ND,
+ MT8195_TOP_AXI_PROT_EN_MM_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_STA1),
+ BUS_PROT_WR(MT8195_TOP_AXI_PROT_EN_MM_2_CAM,
+ MT8195_TOP_AXI_PROT_EN_MM_2_SET,
+ MT8195_TOP_AXI_PROT_EN_MM_2_CLR,
+ MT8195_TOP_AXI_PROT_EN_MM_2_STA1),
+ },
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_CAM_RAWA] = {
+ .name = "cam_rawa",
+ .sta_mask = BIT(26),
+ .ctl_offs = 0x3A0,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_CAM_RAWB] = {
+ .name = "cam_rawb",
+ .sta_mask = BIT(27),
+ .ctl_offs = 0x3A4,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+ [MT8195_POWER_DOMAIN_CAM_MRAW] = {
+ .name = "cam_mraw",
+ .sta_mask = BIT(28),
+ .ctl_offs = 0x3A8,
+ .pwr_sta_offs = 0x16c,
+ .pwr_sta2nd_offs = 0x170,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+ },
+};
+
+static const struct scpsys_soc_data mt8195_scpsys_data = {
+ .domains_data = scpsys_domain_data_mt8195,
+ .num_domains = ARRAY_SIZE(scpsys_domain_data_mt8195),
+};
+
+#endif /* __SOC_MEDIATEK_MT8195_PM_DOMAINS_H */
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2020 Collabora Ltd.
+ */
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of.h>
+#include <linux/of_clk.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/soc/mediatek/infracfg.h>
+
+#include "mt6795-pm-domains.h"
+#include "mt8167-pm-domains.h"
+#include "mt8173-pm-domains.h"
+#include "mt8183-pm-domains.h"
+#include "mt8186-pm-domains.h"
+#include "mt8188-pm-domains.h"
+#include "mt8192-pm-domains.h"
+#include "mt8195-pm-domains.h"
+
+#define MTK_POLL_DELAY_US 10
+#define MTK_POLL_TIMEOUT USEC_PER_SEC
+
+#define PWR_RST_B_BIT BIT(0)
+#define PWR_ISO_BIT BIT(1)
+#define PWR_ON_BIT BIT(2)
+#define PWR_ON_2ND_BIT BIT(3)
+#define PWR_CLK_DIS_BIT BIT(4)
+#define PWR_SRAM_CLKISO_BIT BIT(5)
+#define PWR_SRAM_ISOINT_B_BIT BIT(6)
+
+struct scpsys_domain {
+ struct generic_pm_domain genpd;
+ const struct scpsys_domain_data *data;
+ struct scpsys *scpsys;
+ int num_clks;
+ struct clk_bulk_data *clks;
+ int num_subsys_clks;
+ struct clk_bulk_data *subsys_clks;
+ struct regmap *infracfg;
+ struct regmap *smi;
+ struct regulator *supply;
+};
+
+struct scpsys {
+ struct device *dev;
+ struct regmap *base;
+ const struct scpsys_soc_data *soc_data;
+ struct genpd_onecell_data pd_data;
+ struct generic_pm_domain *domains[];
+};
+
+#define to_scpsys_domain(gpd) container_of(gpd, struct scpsys_domain, genpd)
+
+static bool scpsys_domain_is_on(struct scpsys_domain *pd)
+{
+ struct scpsys *scpsys = pd->scpsys;
+ u32 status, status2;
+
+ regmap_read(scpsys->base, pd->data->pwr_sta_offs, &status);
+ status &= pd->data->sta_mask;
+
+ regmap_read(scpsys->base, pd->data->pwr_sta2nd_offs, &status2);
+ status2 &= pd->data->sta_mask;
+
+ /* A domain is on when both status bits are set. */
+ return status && status2;
+}
+
+static int scpsys_sram_enable(struct scpsys_domain *pd)
+{
+ u32 pdn_ack = pd->data->sram_pdn_ack_bits;
+ struct scpsys *scpsys = pd->scpsys;
+ unsigned int tmp;
+ int ret;
+
+ regmap_clear_bits(scpsys->base, pd->data->ctl_offs, pd->data->sram_pdn_bits);
+
+ /* Either wait until SRAM_PDN_ACK all 1 or 0 */
+ ret = regmap_read_poll_timeout(scpsys->base, pd->data->ctl_offs, tmp,
+ (tmp & pdn_ack) == 0, MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
+ if (ret < 0)
+ return ret;
+
+ if (MTK_SCPD_CAPS(pd, MTK_SCPD_SRAM_ISO)) {
+ regmap_set_bits(scpsys->base, pd->data->ctl_offs, PWR_SRAM_ISOINT_B_BIT);
+ udelay(1);
+ regmap_clear_bits(scpsys->base, pd->data->ctl_offs, PWR_SRAM_CLKISO_BIT);
+ }
+
+ return 0;
+}
+
+static int scpsys_sram_disable(struct scpsys_domain *pd)
+{
+ u32 pdn_ack = pd->data->sram_pdn_ack_bits;
+ struct scpsys *scpsys = pd->scpsys;
+ unsigned int tmp;
+
+ if (MTK_SCPD_CAPS(pd, MTK_SCPD_SRAM_ISO)) {
+ regmap_set_bits(scpsys->base, pd->data->ctl_offs, PWR_SRAM_CLKISO_BIT);
+ udelay(1);
+ regmap_clear_bits(scpsys->base, pd->data->ctl_offs, PWR_SRAM_ISOINT_B_BIT);
+ }
+
+ regmap_set_bits(scpsys->base, pd->data->ctl_offs, pd->data->sram_pdn_bits);
+
+ /* Either wait until SRAM_PDN_ACK all 1 or 0 */
+ return regmap_read_poll_timeout(scpsys->base, pd->data->ctl_offs, tmp,
+ (tmp & pdn_ack) == pdn_ack, MTK_POLL_DELAY_US,
+ MTK_POLL_TIMEOUT);
+}
+
+static int _scpsys_bus_protect_enable(const struct scpsys_bus_prot_data *bpd, struct regmap *regmap)
+{
+ int i, ret;
+
+ for (i = 0; i < SPM_MAX_BUS_PROT_DATA; i++) {
+ u32 val, mask = bpd[i].bus_prot_mask;
+
+ if (!mask)
+ break;
+
+ if (bpd[i].bus_prot_reg_update)
+ regmap_set_bits(regmap, bpd[i].bus_prot_set, mask);
+ else
+ regmap_write(regmap, bpd[i].bus_prot_set, mask);
+
+ ret = regmap_read_poll_timeout(regmap, bpd[i].bus_prot_sta,
+ val, (val & mask) == mask,
+ MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int scpsys_bus_protect_enable(struct scpsys_domain *pd)
+{
+ int ret;
+
+ ret = _scpsys_bus_protect_enable(pd->data->bp_infracfg, pd->infracfg);
+ if (ret)
+ return ret;
+
+ return _scpsys_bus_protect_enable(pd->data->bp_smi, pd->smi);
+}
+
+static int _scpsys_bus_protect_disable(const struct scpsys_bus_prot_data *bpd,
+ struct regmap *regmap)
+{
+ int i, ret;
+
+ for (i = SPM_MAX_BUS_PROT_DATA - 1; i >= 0; i--) {
+ u32 val, mask = bpd[i].bus_prot_mask;
+
+ if (!mask)
+ continue;
+
+ if (bpd[i].bus_prot_reg_update)
+ regmap_clear_bits(regmap, bpd[i].bus_prot_clr, mask);
+ else
+ regmap_write(regmap, bpd[i].bus_prot_clr, mask);
+
+ if (bpd[i].ignore_clr_ack)
+ continue;
+
+ ret = regmap_read_poll_timeout(regmap, bpd[i].bus_prot_sta,
+ val, !(val & mask),
+ MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int scpsys_bus_protect_disable(struct scpsys_domain *pd)
+{
+ int ret;
+
+ ret = _scpsys_bus_protect_disable(pd->data->bp_smi, pd->smi);
+ if (ret)
+ return ret;
+
+ return _scpsys_bus_protect_disable(pd->data->bp_infracfg, pd->infracfg);
+}
+
+static int scpsys_regulator_enable(struct regulator *supply)
+{
+ return supply ? regulator_enable(supply) : 0;
+}
+
+static int scpsys_regulator_disable(struct regulator *supply)
+{
+ return supply ? regulator_disable(supply) : 0;
+}
+
+static int scpsys_power_on(struct generic_pm_domain *genpd)
+{
+ struct scpsys_domain *pd = container_of(genpd, struct scpsys_domain, genpd);
+ struct scpsys *scpsys = pd->scpsys;
+ bool tmp;
+ int ret;
+
+ ret = scpsys_regulator_enable(pd->supply);
+ if (ret)
+ return ret;
+
+ ret = clk_bulk_prepare_enable(pd->num_clks, pd->clks);
+ if (ret)
+ goto err_reg;
+
+ if (pd->data->ext_buck_iso_offs && MTK_SCPD_CAPS(pd, MTK_SCPD_EXT_BUCK_ISO))
+ regmap_clear_bits(scpsys->base, pd->data->ext_buck_iso_offs,
+ pd->data->ext_buck_iso_mask);
+
+ /* subsys power on */
+ regmap_set_bits(scpsys->base, pd->data->ctl_offs, PWR_ON_BIT);
+ regmap_set_bits(scpsys->base, pd->data->ctl_offs, PWR_ON_2ND_BIT);
+
+ /* wait until PWR_ACK = 1 */
+ ret = readx_poll_timeout(scpsys_domain_is_on, pd, tmp, tmp, MTK_POLL_DELAY_US,
+ MTK_POLL_TIMEOUT);
+ if (ret < 0)
+ goto err_pwr_ack;
+
+ regmap_clear_bits(scpsys->base, pd->data->ctl_offs, PWR_CLK_DIS_BIT);
+ regmap_clear_bits(scpsys->base, pd->data->ctl_offs, PWR_ISO_BIT);
+ regmap_set_bits(scpsys->base, pd->data->ctl_offs, PWR_RST_B_BIT);
+
+ ret = clk_bulk_prepare_enable(pd->num_subsys_clks, pd->subsys_clks);
+ if (ret)
+ goto err_pwr_ack;
+
+ ret = scpsys_sram_enable(pd);
+ if (ret < 0)
+ goto err_disable_subsys_clks;
+
+ ret = scpsys_bus_protect_disable(pd);
+ if (ret < 0)
+ goto err_disable_sram;
+
+ return 0;
+
+err_disable_sram:
+ scpsys_sram_disable(pd);
+err_disable_subsys_clks:
+ clk_bulk_disable_unprepare(pd->num_subsys_clks, pd->subsys_clks);
+err_pwr_ack:
+ clk_bulk_disable_unprepare(pd->num_clks, pd->clks);
+err_reg:
+ scpsys_regulator_disable(pd->supply);
+ return ret;
+}
+
+static int scpsys_power_off(struct generic_pm_domain *genpd)
+{
+ struct scpsys_domain *pd = container_of(genpd, struct scpsys_domain, genpd);
+ struct scpsys *scpsys = pd->scpsys;
+ bool tmp;
+ int ret;
+
+ ret = scpsys_bus_protect_enable(pd);
+ if (ret < 0)
+ return ret;
+
+ ret = scpsys_sram_disable(pd);
+ if (ret < 0)
+ return ret;
+
+ if (pd->data->ext_buck_iso_offs && MTK_SCPD_CAPS(pd, MTK_SCPD_EXT_BUCK_ISO))
+ regmap_set_bits(scpsys->base, pd->data->ext_buck_iso_offs,
+ pd->data->ext_buck_iso_mask);
+
+ clk_bulk_disable_unprepare(pd->num_subsys_clks, pd->subsys_clks);
+
+ /* subsys power off */
+ regmap_set_bits(scpsys->base, pd->data->ctl_offs, PWR_ISO_BIT);
+ regmap_set_bits(scpsys->base, pd->data->ctl_offs, PWR_CLK_DIS_BIT);
+ regmap_clear_bits(scpsys->base, pd->data->ctl_offs, PWR_RST_B_BIT);
+ regmap_clear_bits(scpsys->base, pd->data->ctl_offs, PWR_ON_2ND_BIT);
+ regmap_clear_bits(scpsys->base, pd->data->ctl_offs, PWR_ON_BIT);
+
+ /* wait until PWR_ACK = 0 */
+ ret = readx_poll_timeout(scpsys_domain_is_on, pd, tmp, !tmp, MTK_POLL_DELAY_US,
+ MTK_POLL_TIMEOUT);
+ if (ret < 0)
+ return ret;
+
+ clk_bulk_disable_unprepare(pd->num_clks, pd->clks);
+
+ scpsys_regulator_disable(pd->supply);
+
+ return 0;
+}
+
+static struct
+generic_pm_domain *scpsys_add_one_domain(struct scpsys *scpsys, struct device_node *node)
+{
+ const struct scpsys_domain_data *domain_data;
+ struct scpsys_domain *pd;
+ struct device_node *root_node = scpsys->dev->of_node;
+ struct device_node *smi_node;
+ struct property *prop;
+ const char *clk_name;
+ int i, ret, num_clks;
+ struct clk *clk;
+ int clk_ind = 0;
+ u32 id;
+
+ ret = of_property_read_u32(node, "reg", &id);
+ if (ret) {
+ dev_err(scpsys->dev, "%pOF: failed to retrieve domain id from reg: %d\n",
+ node, ret);
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (id >= scpsys->soc_data->num_domains) {
+ dev_err(scpsys->dev, "%pOF: invalid domain id %d\n", node, id);
+ return ERR_PTR(-EINVAL);
+ }
+
+ domain_data = &scpsys->soc_data->domains_data[id];
+ if (domain_data->sta_mask == 0) {
+ dev_err(scpsys->dev, "%pOF: undefined domain id %d\n", node, id);
+ return ERR_PTR(-EINVAL);
+ }
+
+ pd = devm_kzalloc(scpsys->dev, sizeof(*pd), GFP_KERNEL);
+ if (!pd)
+ return ERR_PTR(-ENOMEM);
+
+ pd->data = domain_data;
+ pd->scpsys = scpsys;
+
+ if (MTK_SCPD_CAPS(pd, MTK_SCPD_DOMAIN_SUPPLY)) {
+ /*
+ * Find regulator in current power domain node.
+ * devm_regulator_get() finds regulator in a node and its child
+ * node, so set of_node to current power domain node then change
+ * back to original node after regulator is found for current
+ * power domain node.
+ */
+ scpsys->dev->of_node = node;
+ pd->supply = devm_regulator_get(scpsys->dev, "domain");
+ scpsys->dev->of_node = root_node;
+ if (IS_ERR(pd->supply)) {
+ dev_err_probe(scpsys->dev, PTR_ERR(pd->supply),
+ "%pOF: failed to get power supply.\n",
+ node);
+ return ERR_CAST(pd->supply);
+ }
+ }
+
+ pd->infracfg = syscon_regmap_lookup_by_phandle_optional(node, "mediatek,infracfg");
+ if (IS_ERR(pd->infracfg))
+ return ERR_CAST(pd->infracfg);
+
+ smi_node = of_parse_phandle(node, "mediatek,smi", 0);
+ if (smi_node) {
+ pd->smi = device_node_to_regmap(smi_node);
+ of_node_put(smi_node);
+ if (IS_ERR(pd->smi))
+ return ERR_CAST(pd->smi);
+ }
+
+ num_clks = of_clk_get_parent_count(node);
+ if (num_clks > 0) {
+ /* Calculate number of subsys_clks */
+ of_property_for_each_string(node, "clock-names", prop, clk_name) {
+ char *subsys;
+
+ subsys = strchr(clk_name, '-');
+ if (subsys)
+ pd->num_subsys_clks++;
+ else
+ pd->num_clks++;
+ }
+
+ pd->clks = devm_kcalloc(scpsys->dev, pd->num_clks, sizeof(*pd->clks), GFP_KERNEL);
+ if (!pd->clks)
+ return ERR_PTR(-ENOMEM);
+
+ pd->subsys_clks = devm_kcalloc(scpsys->dev, pd->num_subsys_clks,
+ sizeof(*pd->subsys_clks), GFP_KERNEL);
+ if (!pd->subsys_clks)
+ return ERR_PTR(-ENOMEM);
+
+ }
+
+ for (i = 0; i < pd->num_clks; i++) {
+ clk = of_clk_get(node, i);
+ if (IS_ERR(clk)) {
+ ret = PTR_ERR(clk);
+ dev_err_probe(scpsys->dev, ret,
+ "%pOF: failed to get clk at index %d\n", node, i);
+ goto err_put_clocks;
+ }
+
+ pd->clks[clk_ind++].clk = clk;
+ }
+
+ for (i = 0; i < pd->num_subsys_clks; i++) {
+ clk = of_clk_get(node, i + clk_ind);
+ if (IS_ERR(clk)) {
+ ret = PTR_ERR(clk);
+ dev_err_probe(scpsys->dev, ret,
+ "%pOF: failed to get clk at index %d\n", node,
+ i + clk_ind);
+ goto err_put_subsys_clocks;
+ }
+
+ pd->subsys_clks[i].clk = clk;
+ }
+
+ /*
+ * Initially turn on all domains to make the domains usable
+ * with !CONFIG_PM and to get the hardware in sync with the
+ * software. The unused domains will be switched off during
+ * late_init time.
+ */
+ if (MTK_SCPD_CAPS(pd, MTK_SCPD_KEEP_DEFAULT_OFF)) {
+ if (scpsys_domain_is_on(pd))
+ dev_warn(scpsys->dev,
+ "%pOF: A default off power domain has been ON\n", node);
+ } else {
+ ret = scpsys_power_on(&pd->genpd);
+ if (ret < 0) {
+ dev_err(scpsys->dev, "%pOF: failed to power on domain: %d\n", node, ret);
+ goto err_put_subsys_clocks;
+ }
+
+ if (MTK_SCPD_CAPS(pd, MTK_SCPD_ALWAYS_ON))
+ pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
+ }
+
+ if (scpsys->domains[id]) {
+ ret = -EINVAL;
+ dev_err(scpsys->dev,
+ "power domain with id %d already exists, check your device-tree\n", id);
+ goto err_put_subsys_clocks;
+ }
+
+ if (!pd->data->name)
+ pd->genpd.name = node->name;
+ else
+ pd->genpd.name = pd->data->name;
+
+ pd->genpd.power_off = scpsys_power_off;
+ pd->genpd.power_on = scpsys_power_on;
+
+ if (MTK_SCPD_CAPS(pd, MTK_SCPD_ACTIVE_WAKEUP))
+ pd->genpd.flags |= GENPD_FLAG_ACTIVE_WAKEUP;
+
+ if (MTK_SCPD_CAPS(pd, MTK_SCPD_KEEP_DEFAULT_OFF))
+ pm_genpd_init(&pd->genpd, NULL, true);
+ else
+ pm_genpd_init(&pd->genpd, NULL, false);
+
+ scpsys->domains[id] = &pd->genpd;
+
+ return scpsys->pd_data.domains[id];
+
+err_put_subsys_clocks:
+ clk_bulk_put(pd->num_subsys_clks, pd->subsys_clks);
+err_put_clocks:
+ clk_bulk_put(pd->num_clks, pd->clks);
+ return ERR_PTR(ret);
+}
+
+static int scpsys_add_subdomain(struct scpsys *scpsys, struct device_node *parent)
+{
+ struct generic_pm_domain *child_pd, *parent_pd;
+ struct device_node *child;
+ int ret;
+
+ for_each_child_of_node(parent, child) {
+ u32 id;
+
+ ret = of_property_read_u32(parent, "reg", &id);
+ if (ret) {
+ dev_err(scpsys->dev, "%pOF: failed to get parent domain id\n", child);
+ goto err_put_node;
+ }
+
+ if (!scpsys->pd_data.domains[id]) {
+ ret = -EINVAL;
+ dev_err(scpsys->dev, "power domain with id %d does not exist\n", id);
+ goto err_put_node;
+ }
+
+ parent_pd = scpsys->pd_data.domains[id];
+
+ child_pd = scpsys_add_one_domain(scpsys, child);
+ if (IS_ERR(child_pd)) {
+ ret = PTR_ERR(child_pd);
+ dev_err_probe(scpsys->dev, ret, "%pOF: failed to get child domain id\n",
+ child);
+ goto err_put_node;
+ }
+
+ ret = pm_genpd_add_subdomain(parent_pd, child_pd);
+ if (ret) {
+ dev_err(scpsys->dev, "failed to add %s subdomain to parent %s\n",
+ child_pd->name, parent_pd->name);
+ goto err_put_node;
+ } else {
+ dev_dbg(scpsys->dev, "%s add subdomain: %s\n", parent_pd->name,
+ child_pd->name);
+ }
+
+ /* recursive call to add all subdomains */
+ ret = scpsys_add_subdomain(scpsys, child);
+ if (ret)
+ goto err_put_node;
+ }
+
+ return 0;
+
+err_put_node:
+ of_node_put(child);
+ return ret;
+}
+
+static void scpsys_remove_one_domain(struct scpsys_domain *pd)
+{
+ int ret;
+
+ if (scpsys_domain_is_on(pd))
+ scpsys_power_off(&pd->genpd);
+
+ /*
+ * We're in the error cleanup already, so we only complain,
+ * but won't emit another error on top of the original one.
+ */
+ ret = pm_genpd_remove(&pd->genpd);
+ if (ret < 0)
+ dev_err(pd->scpsys->dev,
+ "failed to remove domain '%s' : %d - state may be inconsistent\n",
+ pd->genpd.name, ret);
+
+ clk_bulk_put(pd->num_clks, pd->clks);
+ clk_bulk_put(pd->num_subsys_clks, pd->subsys_clks);
+}
+
+static void scpsys_domain_cleanup(struct scpsys *scpsys)
+{
+ struct generic_pm_domain *genpd;
+ struct scpsys_domain *pd;
+ int i;
+
+ for (i = scpsys->pd_data.num_domains - 1; i >= 0; i--) {
+ genpd = scpsys->pd_data.domains[i];
+ if (genpd) {
+ pd = to_scpsys_domain(genpd);
+ scpsys_remove_one_domain(pd);
+ }
+ }
+}
+
+static const struct of_device_id scpsys_of_match[] = {
+ {
+ .compatible = "mediatek,mt6795-power-controller",
+ .data = &mt6795_scpsys_data,
+ },
+ {
+ .compatible = "mediatek,mt8167-power-controller",
+ .data = &mt8167_scpsys_data,
+ },
+ {
+ .compatible = "mediatek,mt8173-power-controller",
+ .data = &mt8173_scpsys_data,
+ },
+ {
+ .compatible = "mediatek,mt8183-power-controller",
+ .data = &mt8183_scpsys_data,
+ },
+ {
+ .compatible = "mediatek,mt8186-power-controller",
+ .data = &mt8186_scpsys_data,
+ },
+ {
+ .compatible = "mediatek,mt8188-power-controller",
+ .data = &mt8188_scpsys_data,
+ },
+ {
+ .compatible = "mediatek,mt8192-power-controller",
+ .data = &mt8192_scpsys_data,
+ },
+ {
+ .compatible = "mediatek,mt8195-power-controller",
+ .data = &mt8195_scpsys_data,
+ },
+ { }
+};
+
+static int scpsys_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ const struct scpsys_soc_data *soc;
+ struct device_node *node;
+ struct device *parent;
+ struct scpsys *scpsys;
+ int ret;
+
+ soc = of_device_get_match_data(&pdev->dev);
+ if (!soc) {
+ dev_err(&pdev->dev, "no power controller data\n");
+ return -EINVAL;
+ }
+
+ scpsys = devm_kzalloc(dev, struct_size(scpsys, domains, soc->num_domains), GFP_KERNEL);
+ if (!scpsys)
+ return -ENOMEM;
+
+ scpsys->dev = dev;
+ scpsys->soc_data = soc;
+
+ scpsys->pd_data.domains = scpsys->domains;
+ scpsys->pd_data.num_domains = soc->num_domains;
+
+ parent = dev->parent;
+ if (!parent) {
+ dev_err(dev, "no parent for syscon devices\n");
+ return -ENODEV;
+ }
+
+ scpsys->base = syscon_node_to_regmap(parent->of_node);
+ if (IS_ERR(scpsys->base)) {
+ dev_err(dev, "no regmap available\n");
+ return PTR_ERR(scpsys->base);
+ }
+
+ ret = -ENODEV;
+ for_each_available_child_of_node(np, node) {
+ struct generic_pm_domain *domain;
+
+ domain = scpsys_add_one_domain(scpsys, node);
+ if (IS_ERR(domain)) {
+ ret = PTR_ERR(domain);
+ of_node_put(node);
+ goto err_cleanup_domains;
+ }
+
+ ret = scpsys_add_subdomain(scpsys, node);
+ if (ret) {
+ of_node_put(node);
+ goto err_cleanup_domains;
+ }
+ }
+
+ if (ret) {
+ dev_dbg(dev, "no power domains present\n");
+ return ret;
+ }
+
+ ret = of_genpd_add_provider_onecell(np, &scpsys->pd_data);
+ if (ret) {
+ dev_err(dev, "failed to add provider: %d\n", ret);
+ goto err_cleanup_domains;
+ }
+
+ return 0;
+
+err_cleanup_domains:
+ scpsys_domain_cleanup(scpsys);
+ return ret;
+}
+
+static struct platform_driver scpsys_pm_domain_driver = {
+ .probe = scpsys_probe,
+ .driver = {
+ .name = "mtk-power-controller",
+ .suppress_bind_attrs = true,
+ .of_match_table = scpsys_of_match,
+ },
+};
+builtin_platform_driver(scpsys_pm_domain_driver);
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __SOC_MEDIATEK_MTK_PM_DOMAINS_H
+#define __SOC_MEDIATEK_MTK_PM_DOMAINS_H
+
+#define MTK_SCPD_ACTIVE_WAKEUP BIT(0)
+#define MTK_SCPD_FWAIT_SRAM BIT(1)
+#define MTK_SCPD_SRAM_ISO BIT(2)
+#define MTK_SCPD_KEEP_DEFAULT_OFF BIT(3)
+#define MTK_SCPD_DOMAIN_SUPPLY BIT(4)
+/* can't set MTK_SCPD_KEEP_DEFAULT_OFF at the same time */
+#define MTK_SCPD_ALWAYS_ON BIT(5)
+#define MTK_SCPD_EXT_BUCK_ISO BIT(6)
+#define MTK_SCPD_CAPS(_scpd, _x) ((_scpd)->data->caps & (_x))
+
+#define SPM_VDE_PWR_CON 0x0210
+#define SPM_MFG_PWR_CON 0x0214
+#define SPM_VEN_PWR_CON 0x0230
+#define SPM_ISP_PWR_CON 0x0238
+#define SPM_DIS_PWR_CON 0x023c
+#define SPM_CONN_PWR_CON 0x0280
+#define SPM_VEN2_PWR_CON 0x0298
+#define SPM_AUDIO_PWR_CON 0x029c
+#define SPM_MFG_2D_PWR_CON 0x02c0
+#define SPM_MFG_ASYNC_PWR_CON 0x02c4
+#define SPM_USB_PWR_CON 0x02cc
+
+#define SPM_PWR_STATUS 0x060c
+#define SPM_PWR_STATUS_2ND 0x0610
+
+#define PWR_STATUS_CONN BIT(1)
+#define PWR_STATUS_DISP BIT(3)
+#define PWR_STATUS_MFG BIT(4)
+#define PWR_STATUS_ISP BIT(5)
+#define PWR_STATUS_VDEC BIT(7)
+#define PWR_STATUS_VENC_LT BIT(20)
+#define PWR_STATUS_VENC BIT(21)
+#define PWR_STATUS_MFG_2D BIT(22)
+#define PWR_STATUS_MFG_ASYNC BIT(23)
+#define PWR_STATUS_AUDIO BIT(24)
+#define PWR_STATUS_USB BIT(25)
+
+#define SPM_MAX_BUS_PROT_DATA 6
+
+#define _BUS_PROT(_mask, _set, _clr, _sta, _update, _ignore) { \
+ .bus_prot_mask = (_mask), \
+ .bus_prot_set = _set, \
+ .bus_prot_clr = _clr, \
+ .bus_prot_sta = _sta, \
+ .bus_prot_reg_update = _update, \
+ .ignore_clr_ack = _ignore, \
+ }
+
+#define BUS_PROT_WR(_mask, _set, _clr, _sta) \
+ _BUS_PROT(_mask, _set, _clr, _sta, false, false)
+
+#define BUS_PROT_WR_IGN(_mask, _set, _clr, _sta) \
+ _BUS_PROT(_mask, _set, _clr, _sta, false, true)
+
+#define BUS_PROT_UPDATE(_mask, _set, _clr, _sta) \
+ _BUS_PROT(_mask, _set, _clr, _sta, true, false)
+
+#define BUS_PROT_UPDATE_TOPAXI(_mask) \
+ BUS_PROT_UPDATE(_mask, \
+ INFRA_TOPAXI_PROTECTEN, \
+ INFRA_TOPAXI_PROTECTEN, \
+ INFRA_TOPAXI_PROTECTSTA1)
+
+struct scpsys_bus_prot_data {
+ u32 bus_prot_mask;
+ u32 bus_prot_set;
+ u32 bus_prot_clr;
+ u32 bus_prot_sta;
+ bool bus_prot_reg_update;
+ bool ignore_clr_ack;
+};
+
+/**
+ * struct scpsys_domain_data - scp domain data for power on/off flow
+ * @name: The name of the power domain.
+ * @sta_mask: The mask for power on/off status bit.
+ * @ctl_offs: The offset for main power control register.
+ * @sram_pdn_bits: The mask for sram power control bits.
+ * @sram_pdn_ack_bits: The mask for sram power control acked bits.
+ * @ext_buck_iso_offs: The offset for external buck isolation
+ * @ext_buck_iso_mask: The mask for external buck isolation
+ * @caps: The flag for active wake-up action.
+ * @bp_infracfg: bus protection for infracfg subsystem
+ * @bp_smi: bus protection for smi subsystem
+ */
+struct scpsys_domain_data {
+ const char *name;
+ u32 sta_mask;
+ int ctl_offs;
+ u32 sram_pdn_bits;
+ u32 sram_pdn_ack_bits;
+ int ext_buck_iso_offs;
+ u32 ext_buck_iso_mask;
+ u8 caps;
+ const struct scpsys_bus_prot_data bp_infracfg[SPM_MAX_BUS_PROT_DATA];
+ const struct scpsys_bus_prot_data bp_smi[SPM_MAX_BUS_PROT_DATA];
+ int pwr_sta_offs;
+ int pwr_sta2nd_offs;
+};
+
+struct scpsys_soc_data {
+ const struct scpsys_domain_data *domains_data;
+ int num_domains;
+};
+
+#endif /* __SOC_MEDIATEK_MTK_PM_DOMAINS_H */
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2015 Pengutronix, Sascha Hauer <kernel@pengutronix.de>
+ */
+#include <linux/clk.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/regulator/consumer.h>
+#include <linux/soc/mediatek/infracfg.h>
+
+#include <dt-bindings/power/mt2701-power.h>
+#include <dt-bindings/power/mt2712-power.h>
+#include <dt-bindings/power/mt6797-power.h>
+#include <dt-bindings/power/mt7622-power.h>
+#include <dt-bindings/power/mt7623a-power.h>
+#include <dt-bindings/power/mt8173-power.h>
+
+#define MTK_POLL_DELAY_US 10
+#define MTK_POLL_TIMEOUT USEC_PER_SEC
+
+#define MTK_SCPD_ACTIVE_WAKEUP BIT(0)
+#define MTK_SCPD_FWAIT_SRAM BIT(1)
+#define MTK_SCPD_CAPS(_scpd, _x) ((_scpd)->data->caps & (_x))
+
+#define SPM_VDE_PWR_CON 0x0210
+#define SPM_MFG_PWR_CON 0x0214
+#define SPM_VEN_PWR_CON 0x0230
+#define SPM_ISP_PWR_CON 0x0238
+#define SPM_DIS_PWR_CON 0x023c
+#define SPM_CONN_PWR_CON 0x0280
+#define SPM_VEN2_PWR_CON 0x0298
+#define SPM_AUDIO_PWR_CON 0x029c /* MT8173, MT2712 */
+#define SPM_BDP_PWR_CON 0x029c /* MT2701 */
+#define SPM_ETH_PWR_CON 0x02a0
+#define SPM_HIF_PWR_CON 0x02a4
+#define SPM_IFR_MSC_PWR_CON 0x02a8
+#define SPM_MFG_2D_PWR_CON 0x02c0
+#define SPM_MFG_ASYNC_PWR_CON 0x02c4
+#define SPM_USB_PWR_CON 0x02cc
+#define SPM_USB2_PWR_CON 0x02d4 /* MT2712 */
+#define SPM_ETHSYS_PWR_CON 0x02e0 /* MT7622 */
+#define SPM_HIF0_PWR_CON 0x02e4 /* MT7622 */
+#define SPM_HIF1_PWR_CON 0x02e8 /* MT7622 */
+#define SPM_WB_PWR_CON 0x02ec /* MT7622 */
+
+#define SPM_PWR_STATUS 0x060c
+#define SPM_PWR_STATUS_2ND 0x0610
+
+#define PWR_RST_B_BIT BIT(0)
+#define PWR_ISO_BIT BIT(1)
+#define PWR_ON_BIT BIT(2)
+#define PWR_ON_2ND_BIT BIT(3)
+#define PWR_CLK_DIS_BIT BIT(4)
+
+#define PWR_STATUS_CONN BIT(1)
+#define PWR_STATUS_DISP BIT(3)
+#define PWR_STATUS_MFG BIT(4)
+#define PWR_STATUS_ISP BIT(5)
+#define PWR_STATUS_VDEC BIT(7)
+#define PWR_STATUS_BDP BIT(14)
+#define PWR_STATUS_ETH BIT(15)
+#define PWR_STATUS_HIF BIT(16)
+#define PWR_STATUS_IFR_MSC BIT(17)
+#define PWR_STATUS_USB2 BIT(19) /* MT2712 */
+#define PWR_STATUS_VENC_LT BIT(20)
+#define PWR_STATUS_VENC BIT(21)
+#define PWR_STATUS_MFG_2D BIT(22) /* MT8173 */
+#define PWR_STATUS_MFG_ASYNC BIT(23) /* MT8173 */
+#define PWR_STATUS_AUDIO BIT(24) /* MT8173, MT2712 */
+#define PWR_STATUS_USB BIT(25) /* MT8173, MT2712 */
+#define PWR_STATUS_ETHSYS BIT(24) /* MT7622 */
+#define PWR_STATUS_HIF0 BIT(25) /* MT7622 */
+#define PWR_STATUS_HIF1 BIT(26) /* MT7622 */
+#define PWR_STATUS_WB BIT(27) /* MT7622 */
+
+enum clk_id {
+ CLK_NONE,
+ CLK_MM,
+ CLK_MFG,
+ CLK_VENC,
+ CLK_VENC_LT,
+ CLK_ETHIF,
+ CLK_VDEC,
+ CLK_HIFSEL,
+ CLK_JPGDEC,
+ CLK_AUDIO,
+ CLK_MAX,
+};
+
+static const char * const clk_names[] = {
+ NULL,
+ "mm",
+ "mfg",
+ "venc",
+ "venc_lt",
+ "ethif",
+ "vdec",
+ "hif_sel",
+ "jpgdec",
+ "audio",
+ NULL,
+};
+
+#define MAX_CLKS 3
+
+/**
+ * struct scp_domain_data - scp domain data for power on/off flow
+ * @name: The domain name.
+ * @sta_mask: The mask for power on/off status bit.
+ * @ctl_offs: The offset for main power control register.
+ * @sram_pdn_bits: The mask for sram power control bits.
+ * @sram_pdn_ack_bits: The mask for sram power control acked bits.
+ * @bus_prot_mask: The mask for single step bus protection.
+ * @clk_id: The basic clocks required by this power domain.
+ * @caps: The flag for active wake-up action.
+ */
+struct scp_domain_data {
+ const char *name;
+ u32 sta_mask;
+ int ctl_offs;
+ u32 sram_pdn_bits;
+ u32 sram_pdn_ack_bits;
+ u32 bus_prot_mask;
+ enum clk_id clk_id[MAX_CLKS];
+ u8 caps;
+};
+
+struct scp;
+
+struct scp_domain {
+ struct generic_pm_domain genpd;
+ struct scp *scp;
+ struct clk *clk[MAX_CLKS];
+ const struct scp_domain_data *data;
+ struct regulator *supply;
+};
+
+struct scp_ctrl_reg {
+ int pwr_sta_offs;
+ int pwr_sta2nd_offs;
+};
+
+struct scp {
+ struct scp_domain *domains;
+ struct genpd_onecell_data pd_data;
+ struct device *dev;
+ void __iomem *base;
+ struct regmap *infracfg;
+ struct scp_ctrl_reg ctrl_reg;
+ bool bus_prot_reg_update;
+};
+
+struct scp_subdomain {
+ int origin;
+ int subdomain;
+};
+
+struct scp_soc_data {
+ const struct scp_domain_data *domains;
+ int num_domains;
+ const struct scp_subdomain *subdomains;
+ int num_subdomains;
+ const struct scp_ctrl_reg regs;
+ bool bus_prot_reg_update;
+};
+
+static int scpsys_domain_is_on(struct scp_domain *scpd)
+{
+ struct scp *scp = scpd->scp;
+
+ u32 status = readl(scp->base + scp->ctrl_reg.pwr_sta_offs) &
+ scpd->data->sta_mask;
+ u32 status2 = readl(scp->base + scp->ctrl_reg.pwr_sta2nd_offs) &
+ scpd->data->sta_mask;
+
+ /*
+ * A domain is on when both status bits are set. If only one is set
+ * return an error. This happens while powering up a domain
+ */
+
+ if (status && status2)
+ return true;
+ if (!status && !status2)
+ return false;
+
+ return -EINVAL;
+}
+
+static int scpsys_regulator_enable(struct scp_domain *scpd)
+{
+ if (!scpd->supply)
+ return 0;
+
+ return regulator_enable(scpd->supply);
+}
+
+static int scpsys_regulator_disable(struct scp_domain *scpd)
+{
+ if (!scpd->supply)
+ return 0;
+
+ return regulator_disable(scpd->supply);
+}
+
+static void scpsys_clk_disable(struct clk *clk[], int max_num)
+{
+ int i;
+
+ for (i = max_num - 1; i >= 0; i--)
+ clk_disable_unprepare(clk[i]);
+}
+
+static int scpsys_clk_enable(struct clk *clk[], int max_num)
+{
+ int i, ret = 0;
+
+ for (i = 0; i < max_num && clk[i]; i++) {
+ ret = clk_prepare_enable(clk[i]);
+ if (ret) {
+ scpsys_clk_disable(clk, i);
+ break;
+ }
+ }
+
+ return ret;
+}
+
+static int scpsys_sram_enable(struct scp_domain *scpd, void __iomem *ctl_addr)
+{
+ u32 val;
+ u32 pdn_ack = scpd->data->sram_pdn_ack_bits;
+ int tmp;
+
+ val = readl(ctl_addr);
+ val &= ~scpd->data->sram_pdn_bits;
+ writel(val, ctl_addr);
+
+ /* Either wait until SRAM_PDN_ACK all 0 or have a force wait */
+ if (MTK_SCPD_CAPS(scpd, MTK_SCPD_FWAIT_SRAM)) {
+ /*
+ * Currently, MTK_SCPD_FWAIT_SRAM is necessary only for
+ * MT7622_POWER_DOMAIN_WB and thus just a trivial setup
+ * is applied here.
+ */
+ usleep_range(12000, 12100);
+ } else {
+ /* Either wait until SRAM_PDN_ACK all 1 or 0 */
+ int ret = readl_poll_timeout(ctl_addr, tmp,
+ (tmp & pdn_ack) == 0,
+ MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int scpsys_sram_disable(struct scp_domain *scpd, void __iomem *ctl_addr)
+{
+ u32 val;
+ u32 pdn_ack = scpd->data->sram_pdn_ack_bits;
+ int tmp;
+
+ val = readl(ctl_addr);
+ val |= scpd->data->sram_pdn_bits;
+ writel(val, ctl_addr);
+
+ /* Either wait until SRAM_PDN_ACK all 1 or 0 */
+ return readl_poll_timeout(ctl_addr, tmp,
+ (tmp & pdn_ack) == pdn_ack,
+ MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
+}
+
+static int scpsys_bus_protect_enable(struct scp_domain *scpd)
+{
+ struct scp *scp = scpd->scp;
+
+ if (!scpd->data->bus_prot_mask)
+ return 0;
+
+ return mtk_infracfg_set_bus_protection(scp->infracfg,
+ scpd->data->bus_prot_mask,
+ scp->bus_prot_reg_update);
+}
+
+static int scpsys_bus_protect_disable(struct scp_domain *scpd)
+{
+ struct scp *scp = scpd->scp;
+
+ if (!scpd->data->bus_prot_mask)
+ return 0;
+
+ return mtk_infracfg_clear_bus_protection(scp->infracfg,
+ scpd->data->bus_prot_mask,
+ scp->bus_prot_reg_update);
+}
+
+static int scpsys_power_on(struct generic_pm_domain *genpd)
+{
+ struct scp_domain *scpd = container_of(genpd, struct scp_domain, genpd);
+ struct scp *scp = scpd->scp;
+ void __iomem *ctl_addr = scp->base + scpd->data->ctl_offs;
+ u32 val;
+ int ret, tmp;
+
+ ret = scpsys_regulator_enable(scpd);
+ if (ret < 0)
+ return ret;
+
+ ret = scpsys_clk_enable(scpd->clk, MAX_CLKS);
+ if (ret)
+ goto err_clk;
+
+ /* subsys power on */
+ val = readl(ctl_addr);
+ val |= PWR_ON_BIT;
+ writel(val, ctl_addr);
+ val |= PWR_ON_2ND_BIT;
+ writel(val, ctl_addr);
+
+ /* wait until PWR_ACK = 1 */
+ ret = readx_poll_timeout(scpsys_domain_is_on, scpd, tmp, tmp > 0,
+ MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
+ if (ret < 0)
+ goto err_pwr_ack;
+
+ val &= ~PWR_CLK_DIS_BIT;
+ writel(val, ctl_addr);
+
+ val &= ~PWR_ISO_BIT;
+ writel(val, ctl_addr);
+
+ val |= PWR_RST_B_BIT;
+ writel(val, ctl_addr);
+
+ ret = scpsys_sram_enable(scpd, ctl_addr);
+ if (ret < 0)
+ goto err_pwr_ack;
+
+ ret = scpsys_bus_protect_disable(scpd);
+ if (ret < 0)
+ goto err_pwr_ack;
+
+ return 0;
+
+err_pwr_ack:
+ scpsys_clk_disable(scpd->clk, MAX_CLKS);
+err_clk:
+ scpsys_regulator_disable(scpd);
+
+ dev_err(scp->dev, "Failed to power on domain %s\n", genpd->name);
+
+ return ret;
+}
+
+static int scpsys_power_off(struct generic_pm_domain *genpd)
+{
+ struct scp_domain *scpd = container_of(genpd, struct scp_domain, genpd);
+ struct scp *scp = scpd->scp;
+ void __iomem *ctl_addr = scp->base + scpd->data->ctl_offs;
+ u32 val;
+ int ret, tmp;
+
+ ret = scpsys_bus_protect_enable(scpd);
+ if (ret < 0)
+ goto out;
+
+ ret = scpsys_sram_disable(scpd, ctl_addr);
+ if (ret < 0)
+ goto out;
+
+ /* subsys power off */
+ val = readl(ctl_addr);
+ val |= PWR_ISO_BIT;
+ writel(val, ctl_addr);
+
+ val &= ~PWR_RST_B_BIT;
+ writel(val, ctl_addr);
+
+ val |= PWR_CLK_DIS_BIT;
+ writel(val, ctl_addr);
+
+ val &= ~PWR_ON_BIT;
+ writel(val, ctl_addr);
+
+ val &= ~PWR_ON_2ND_BIT;
+ writel(val, ctl_addr);
+
+ /* wait until PWR_ACK = 0 */
+ ret = readx_poll_timeout(scpsys_domain_is_on, scpd, tmp, tmp == 0,
+ MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
+ if (ret < 0)
+ goto out;
+
+ scpsys_clk_disable(scpd->clk, MAX_CLKS);
+
+ ret = scpsys_regulator_disable(scpd);
+ if (ret < 0)
+ goto out;
+
+ return 0;
+
+out:
+ dev_err(scp->dev, "Failed to power off domain %s\n", genpd->name);
+
+ return ret;
+}
+
+static void init_clks(struct platform_device *pdev, struct clk **clk)
+{
+ int i;
+
+ for (i = CLK_NONE + 1; i < CLK_MAX; i++)
+ clk[i] = devm_clk_get(&pdev->dev, clk_names[i]);
+}
+
+static struct scp *init_scp(struct platform_device *pdev,
+ const struct scp_domain_data *scp_domain_data, int num,
+ const struct scp_ctrl_reg *scp_ctrl_reg,
+ bool bus_prot_reg_update)
+{
+ struct genpd_onecell_data *pd_data;
+ struct resource *res;
+ int i, j;
+ struct scp *scp;
+ struct clk *clk[CLK_MAX];
+
+ scp = devm_kzalloc(&pdev->dev, sizeof(*scp), GFP_KERNEL);
+ if (!scp)
+ return ERR_PTR(-ENOMEM);
+
+ scp->ctrl_reg.pwr_sta_offs = scp_ctrl_reg->pwr_sta_offs;
+ scp->ctrl_reg.pwr_sta2nd_offs = scp_ctrl_reg->pwr_sta2nd_offs;
+
+ scp->bus_prot_reg_update = bus_prot_reg_update;
+
+ scp->dev = &pdev->dev;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ scp->base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(scp->base))
+ return ERR_CAST(scp->base);
+
+ scp->domains = devm_kcalloc(&pdev->dev,
+ num, sizeof(*scp->domains), GFP_KERNEL);
+ if (!scp->domains)
+ return ERR_PTR(-ENOMEM);
+
+ pd_data = &scp->pd_data;
+
+ pd_data->domains = devm_kcalloc(&pdev->dev,
+ num, sizeof(*pd_data->domains), GFP_KERNEL);
+ if (!pd_data->domains)
+ return ERR_PTR(-ENOMEM);
+
+ scp->infracfg = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
+ "infracfg");
+ if (IS_ERR(scp->infracfg)) {
+ dev_err(&pdev->dev, "Cannot find infracfg controller: %ld\n",
+ PTR_ERR(scp->infracfg));
+ return ERR_CAST(scp->infracfg);
+ }
+
+ for (i = 0; i < num; i++) {
+ struct scp_domain *scpd = &scp->domains[i];
+ const struct scp_domain_data *data = &scp_domain_data[i];
+
+ scpd->supply = devm_regulator_get_optional(&pdev->dev, data->name);
+ if (IS_ERR(scpd->supply)) {
+ if (PTR_ERR(scpd->supply) == -ENODEV)
+ scpd->supply = NULL;
+ else
+ return ERR_CAST(scpd->supply);
+ }
+ }
+
+ pd_data->num_domains = num;
+
+ init_clks(pdev, clk);
+
+ for (i = 0; i < num; i++) {
+ struct scp_domain *scpd = &scp->domains[i];
+ struct generic_pm_domain *genpd = &scpd->genpd;
+ const struct scp_domain_data *data = &scp_domain_data[i];
+
+ pd_data->domains[i] = genpd;
+ scpd->scp = scp;
+
+ scpd->data = data;
+
+ for (j = 0; j < MAX_CLKS && data->clk_id[j]; j++) {
+ struct clk *c = clk[data->clk_id[j]];
+
+ if (IS_ERR(c)) {
+ dev_err(&pdev->dev, "%s: clk unavailable\n",
+ data->name);
+ return ERR_CAST(c);
+ }
+
+ scpd->clk[j] = c;
+ }
+
+ genpd->name = data->name;
+ genpd->power_off = scpsys_power_off;
+ genpd->power_on = scpsys_power_on;
+ if (MTK_SCPD_CAPS(scpd, MTK_SCPD_ACTIVE_WAKEUP))
+ genpd->flags |= GENPD_FLAG_ACTIVE_WAKEUP;
+ }
+
+ return scp;
+}
+
+static void mtk_register_power_domains(struct platform_device *pdev,
+ struct scp *scp, int num)
+{
+ struct genpd_onecell_data *pd_data;
+ int i, ret;
+
+ for (i = 0; i < num; i++) {
+ struct scp_domain *scpd = &scp->domains[i];
+ struct generic_pm_domain *genpd = &scpd->genpd;
+ bool on;
+
+ /*
+ * Initially turn on all domains to make the domains usable
+ * with !CONFIG_PM and to get the hardware in sync with the
+ * software. The unused domains will be switched off during
+ * late_init time.
+ */
+ on = !WARN_ON(genpd->power_on(genpd) < 0);
+
+ pm_genpd_init(genpd, NULL, !on);
+ }
+
+ /*
+ * We are not allowed to fail here since there is no way to unregister
+ * a power domain. Once registered above we have to keep the domains
+ * valid.
+ */
+
+ pd_data = &scp->pd_data;
+
+ ret = of_genpd_add_provider_onecell(pdev->dev.of_node, pd_data);
+ if (ret)
+ dev_err(&pdev->dev, "Failed to add OF provider: %d\n", ret);
+}
+
+/*
+ * MT2701 power domain support
+ */
+
+static const struct scp_domain_data scp_domain_data_mt2701[] = {
+ [MT2701_POWER_DOMAIN_CONN] = {
+ .name = "conn",
+ .sta_mask = PWR_STATUS_CONN,
+ .ctl_offs = SPM_CONN_PWR_CON,
+ .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_CONN_M |
+ MT2701_TOP_AXI_PROT_EN_CONN_S,
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2701_POWER_DOMAIN_DISP] = {
+ .name = "disp",
+ .sta_mask = PWR_STATUS_DISP,
+ .ctl_offs = SPM_DIS_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .clk_id = {CLK_MM},
+ .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_MM_M0,
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2701_POWER_DOMAIN_MFG] = {
+ .name = "mfg",
+ .sta_mask = PWR_STATUS_MFG,
+ .ctl_offs = SPM_MFG_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_MFG},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2701_POWER_DOMAIN_VDEC] = {
+ .name = "vdec",
+ .sta_mask = PWR_STATUS_VDEC,
+ .ctl_offs = SPM_VDE_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_MM},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2701_POWER_DOMAIN_ISP] = {
+ .name = "isp",
+ .sta_mask = PWR_STATUS_ISP,
+ .ctl_offs = SPM_ISP_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .clk_id = {CLK_MM},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2701_POWER_DOMAIN_BDP] = {
+ .name = "bdp",
+ .sta_mask = PWR_STATUS_BDP,
+ .ctl_offs = SPM_BDP_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2701_POWER_DOMAIN_ETH] = {
+ .name = "eth",
+ .sta_mask = PWR_STATUS_ETH,
+ .ctl_offs = SPM_ETH_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_ETHIF},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2701_POWER_DOMAIN_HIF] = {
+ .name = "hif",
+ .sta_mask = PWR_STATUS_HIF,
+ .ctl_offs = SPM_HIF_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_ETHIF},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2701_POWER_DOMAIN_IFR_MSC] = {
+ .name = "ifr_msc",
+ .sta_mask = PWR_STATUS_IFR_MSC,
+ .ctl_offs = SPM_IFR_MSC_PWR_CON,
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+};
+
+/*
+ * MT2712 power domain support
+ */
+static const struct scp_domain_data scp_domain_data_mt2712[] = {
+ [MT2712_POWER_DOMAIN_MM] = {
+ .name = "mm",
+ .sta_mask = PWR_STATUS_DISP,
+ .ctl_offs = SPM_DIS_PWR_CON,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_MM},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_VDEC] = {
+ .name = "vdec",
+ .sta_mask = PWR_STATUS_VDEC,
+ .ctl_offs = SPM_VDE_PWR_CON,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_MM, CLK_VDEC},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_VENC] = {
+ .name = "venc",
+ .sta_mask = PWR_STATUS_VENC,
+ .ctl_offs = SPM_VEN_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_MM, CLK_VENC, CLK_JPGDEC},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_ISP] = {
+ .name = "isp",
+ .sta_mask = PWR_STATUS_ISP,
+ .ctl_offs = SPM_ISP_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .clk_id = {CLK_MM},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_AUDIO] = {
+ .name = "audio",
+ .sta_mask = PWR_STATUS_AUDIO,
+ .ctl_offs = SPM_AUDIO_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_AUDIO},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_USB] = {
+ .name = "usb",
+ .sta_mask = PWR_STATUS_USB,
+ .ctl_offs = SPM_USB_PWR_CON,
+ .sram_pdn_bits = GENMASK(10, 8),
+ .sram_pdn_ack_bits = GENMASK(14, 12),
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_USB2] = {
+ .name = "usb2",
+ .sta_mask = PWR_STATUS_USB2,
+ .ctl_offs = SPM_USB2_PWR_CON,
+ .sram_pdn_bits = GENMASK(10, 8),
+ .sram_pdn_ack_bits = GENMASK(14, 12),
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_MFG] = {
+ .name = "mfg",
+ .sta_mask = PWR_STATUS_MFG,
+ .ctl_offs = SPM_MFG_PWR_CON,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(16, 16),
+ .clk_id = {CLK_MFG},
+ .bus_prot_mask = BIT(14) | BIT(21) | BIT(23),
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_MFG_SC1] = {
+ .name = "mfg_sc1",
+ .sta_mask = BIT(22),
+ .ctl_offs = 0x02c0,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(16, 16),
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_MFG_SC2] = {
+ .name = "mfg_sc2",
+ .sta_mask = BIT(23),
+ .ctl_offs = 0x02c4,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(16, 16),
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT2712_POWER_DOMAIN_MFG_SC3] = {
+ .name = "mfg_sc3",
+ .sta_mask = BIT(30),
+ .ctl_offs = 0x01f8,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(16, 16),
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+};
+
+static const struct scp_subdomain scp_subdomain_mt2712[] = {
+ {MT2712_POWER_DOMAIN_MM, MT2712_POWER_DOMAIN_VDEC},
+ {MT2712_POWER_DOMAIN_MM, MT2712_POWER_DOMAIN_VENC},
+ {MT2712_POWER_DOMAIN_MM, MT2712_POWER_DOMAIN_ISP},
+ {MT2712_POWER_DOMAIN_MFG, MT2712_POWER_DOMAIN_MFG_SC1},
+ {MT2712_POWER_DOMAIN_MFG_SC1, MT2712_POWER_DOMAIN_MFG_SC2},
+ {MT2712_POWER_DOMAIN_MFG_SC2, MT2712_POWER_DOMAIN_MFG_SC3},
+};
+
+/*
+ * MT6797 power domain support
+ */
+
+static const struct scp_domain_data scp_domain_data_mt6797[] = {
+ [MT6797_POWER_DOMAIN_VDEC] = {
+ .name = "vdec",
+ .sta_mask = BIT(7),
+ .ctl_offs = 0x300,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_VDEC},
+ },
+ [MT6797_POWER_DOMAIN_VENC] = {
+ .name = "venc",
+ .sta_mask = BIT(21),
+ .ctl_offs = 0x304,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_NONE},
+ },
+ [MT6797_POWER_DOMAIN_ISP] = {
+ .name = "isp",
+ .sta_mask = BIT(5),
+ .ctl_offs = 0x308,
+ .sram_pdn_bits = GENMASK(9, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .clk_id = {CLK_NONE},
+ },
+ [MT6797_POWER_DOMAIN_MM] = {
+ .name = "mm",
+ .sta_mask = BIT(3),
+ .ctl_offs = 0x30C,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_MM},
+ .bus_prot_mask = (BIT(1) | BIT(2)),
+ },
+ [MT6797_POWER_DOMAIN_AUDIO] = {
+ .name = "audio",
+ .sta_mask = BIT(24),
+ .ctl_offs = 0x314,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_NONE},
+ },
+ [MT6797_POWER_DOMAIN_MFG_ASYNC] = {
+ .name = "mfg_async",
+ .sta_mask = BIT(13),
+ .ctl_offs = 0x334,
+ .sram_pdn_bits = 0,
+ .sram_pdn_ack_bits = 0,
+ .clk_id = {CLK_MFG},
+ },
+ [MT6797_POWER_DOMAIN_MJC] = {
+ .name = "mjc",
+ .sta_mask = BIT(20),
+ .ctl_offs = 0x310,
+ .sram_pdn_bits = GENMASK(8, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_NONE},
+ },
+};
+
+#define SPM_PWR_STATUS_MT6797 0x0180
+#define SPM_PWR_STATUS_2ND_MT6797 0x0184
+
+static const struct scp_subdomain scp_subdomain_mt6797[] = {
+ {MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_VDEC},
+ {MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_ISP},
+ {MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_VENC},
+ {MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_MJC},
+};
+
+/*
+ * MT7622 power domain support
+ */
+
+static const struct scp_domain_data scp_domain_data_mt7622[] = {
+ [MT7622_POWER_DOMAIN_ETHSYS] = {
+ .name = "ethsys",
+ .sta_mask = PWR_STATUS_ETHSYS,
+ .ctl_offs = SPM_ETHSYS_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_NONE},
+ .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_ETHSYS,
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT7622_POWER_DOMAIN_HIF0] = {
+ .name = "hif0",
+ .sta_mask = PWR_STATUS_HIF0,
+ .ctl_offs = SPM_HIF0_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_HIFSEL},
+ .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_HIF0,
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT7622_POWER_DOMAIN_HIF1] = {
+ .name = "hif1",
+ .sta_mask = PWR_STATUS_HIF1,
+ .ctl_offs = SPM_HIF1_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_HIFSEL},
+ .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_HIF1,
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT7622_POWER_DOMAIN_WB] = {
+ .name = "wb",
+ .sta_mask = PWR_STATUS_WB,
+ .ctl_offs = SPM_WB_PWR_CON,
+ .sram_pdn_bits = 0,
+ .sram_pdn_ack_bits = 0,
+ .clk_id = {CLK_NONE},
+ .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_WB,
+ .caps = MTK_SCPD_ACTIVE_WAKEUP | MTK_SCPD_FWAIT_SRAM,
+ },
+};
+
+/*
+ * MT7623A power domain support
+ */
+
+static const struct scp_domain_data scp_domain_data_mt7623a[] = {
+ [MT7623A_POWER_DOMAIN_CONN] = {
+ .name = "conn",
+ .sta_mask = PWR_STATUS_CONN,
+ .ctl_offs = SPM_CONN_PWR_CON,
+ .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_CONN_M |
+ MT2701_TOP_AXI_PROT_EN_CONN_S,
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT7623A_POWER_DOMAIN_ETH] = {
+ .name = "eth",
+ .sta_mask = PWR_STATUS_ETH,
+ .ctl_offs = SPM_ETH_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_ETHIF},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT7623A_POWER_DOMAIN_HIF] = {
+ .name = "hif",
+ .sta_mask = PWR_STATUS_HIF,
+ .ctl_offs = SPM_HIF_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_ETHIF},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT7623A_POWER_DOMAIN_IFR_MSC] = {
+ .name = "ifr_msc",
+ .sta_mask = PWR_STATUS_IFR_MSC,
+ .ctl_offs = SPM_IFR_MSC_PWR_CON,
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+};
+
+/*
+ * MT8173 power domain support
+ */
+
+static const struct scp_domain_data scp_domain_data_mt8173[] = {
+ [MT8173_POWER_DOMAIN_VDEC] = {
+ .name = "vdec",
+ .sta_mask = PWR_STATUS_VDEC,
+ .ctl_offs = SPM_VDE_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_MM},
+ },
+ [MT8173_POWER_DOMAIN_VENC] = {
+ .name = "venc",
+ .sta_mask = PWR_STATUS_VENC,
+ .ctl_offs = SPM_VEN_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_MM, CLK_VENC},
+ },
+ [MT8173_POWER_DOMAIN_ISP] = {
+ .name = "isp",
+ .sta_mask = PWR_STATUS_ISP,
+ .ctl_offs = SPM_ISP_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .clk_id = {CLK_MM},
+ },
+ [MT8173_POWER_DOMAIN_MM] = {
+ .name = "mm",
+ .sta_mask = PWR_STATUS_DISP,
+ .ctl_offs = SPM_DIS_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(12, 12),
+ .clk_id = {CLK_MM},
+ .bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MM_M0 |
+ MT8173_TOP_AXI_PROT_EN_MM_M1,
+ },
+ [MT8173_POWER_DOMAIN_VENC_LT] = {
+ .name = "venc_lt",
+ .sta_mask = PWR_STATUS_VENC_LT,
+ .ctl_offs = SPM_VEN2_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_MM, CLK_VENC_LT},
+ },
+ [MT8173_POWER_DOMAIN_AUDIO] = {
+ .name = "audio",
+ .sta_mask = PWR_STATUS_AUDIO,
+ .ctl_offs = SPM_AUDIO_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_NONE},
+ },
+ [MT8173_POWER_DOMAIN_USB] = {
+ .name = "usb",
+ .sta_mask = PWR_STATUS_USB,
+ .ctl_offs = SPM_USB_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(15, 12),
+ .clk_id = {CLK_NONE},
+ .caps = MTK_SCPD_ACTIVE_WAKEUP,
+ },
+ [MT8173_POWER_DOMAIN_MFG_ASYNC] = {
+ .name = "mfg_async",
+ .sta_mask = PWR_STATUS_MFG_ASYNC,
+ .ctl_offs = SPM_MFG_ASYNC_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = 0,
+ .clk_id = {CLK_MFG},
+ },
+ [MT8173_POWER_DOMAIN_MFG_2D] = {
+ .name = "mfg_2d",
+ .sta_mask = PWR_STATUS_MFG_2D,
+ .ctl_offs = SPM_MFG_2D_PWR_CON,
+ .sram_pdn_bits = GENMASK(11, 8),
+ .sram_pdn_ack_bits = GENMASK(13, 12),
+ .clk_id = {CLK_NONE},
+ },
+ [MT8173_POWER_DOMAIN_MFG] = {
+ .name = "mfg",
+ .sta_mask = PWR_STATUS_MFG,
+ .ctl_offs = SPM_MFG_PWR_CON,
+ .sram_pdn_bits = GENMASK(13, 8),
+ .sram_pdn_ack_bits = GENMASK(21, 16),
+ .clk_id = {CLK_NONE},
+ .bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MFG_S |
+ MT8173_TOP_AXI_PROT_EN_MFG_M0 |
+ MT8173_TOP_AXI_PROT_EN_MFG_M1 |
+ MT8173_TOP_AXI_PROT_EN_MFG_SNOOP_OUT,
+ },
+};
+
+static const struct scp_subdomain scp_subdomain_mt8173[] = {
+ {MT8173_POWER_DOMAIN_MFG_ASYNC, MT8173_POWER_DOMAIN_MFG_2D},
+ {MT8173_POWER_DOMAIN_MFG_2D, MT8173_POWER_DOMAIN_MFG},
+};
+
+static const struct scp_soc_data mt2701_data = {
+ .domains = scp_domain_data_mt2701,
+ .num_domains = ARRAY_SIZE(scp_domain_data_mt2701),
+ .regs = {
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+ },
+ .bus_prot_reg_update = true,
+};
+
+static const struct scp_soc_data mt2712_data = {
+ .domains = scp_domain_data_mt2712,
+ .num_domains = ARRAY_SIZE(scp_domain_data_mt2712),
+ .subdomains = scp_subdomain_mt2712,
+ .num_subdomains = ARRAY_SIZE(scp_subdomain_mt2712),
+ .regs = {
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+ },
+ .bus_prot_reg_update = false,
+};
+
+static const struct scp_soc_data mt6797_data = {
+ .domains = scp_domain_data_mt6797,
+ .num_domains = ARRAY_SIZE(scp_domain_data_mt6797),
+ .subdomains = scp_subdomain_mt6797,
+ .num_subdomains = ARRAY_SIZE(scp_subdomain_mt6797),
+ .regs = {
+ .pwr_sta_offs = SPM_PWR_STATUS_MT6797,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND_MT6797
+ },
+ .bus_prot_reg_update = true,
+};
+
+static const struct scp_soc_data mt7622_data = {
+ .domains = scp_domain_data_mt7622,
+ .num_domains = ARRAY_SIZE(scp_domain_data_mt7622),
+ .regs = {
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+ },
+ .bus_prot_reg_update = true,
+};
+
+static const struct scp_soc_data mt7623a_data = {
+ .domains = scp_domain_data_mt7623a,
+ .num_domains = ARRAY_SIZE(scp_domain_data_mt7623a),
+ .regs = {
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+ },
+ .bus_prot_reg_update = true,
+};
+
+static const struct scp_soc_data mt8173_data = {
+ .domains = scp_domain_data_mt8173,
+ .num_domains = ARRAY_SIZE(scp_domain_data_mt8173),
+ .subdomains = scp_subdomain_mt8173,
+ .num_subdomains = ARRAY_SIZE(scp_subdomain_mt8173),
+ .regs = {
+ .pwr_sta_offs = SPM_PWR_STATUS,
+ .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+ },
+ .bus_prot_reg_update = true,
+};
+
+/*
+ * scpsys driver init
+ */
+
+static const struct of_device_id of_scpsys_match_tbl[] = {
+ {
+ .compatible = "mediatek,mt2701-scpsys",
+ .data = &mt2701_data,
+ }, {
+ .compatible = "mediatek,mt2712-scpsys",
+ .data = &mt2712_data,
+ }, {
+ .compatible = "mediatek,mt6797-scpsys",
+ .data = &mt6797_data,
+ }, {
+ .compatible = "mediatek,mt7622-scpsys",
+ .data = &mt7622_data,
+ }, {
+ .compatible = "mediatek,mt7623a-scpsys",
+ .data = &mt7623a_data,
+ }, {
+ .compatible = "mediatek,mt8173-scpsys",
+ .data = &mt8173_data,
+ }, {
+ /* sentinel */
+ }
+};
+
+static int scpsys_probe(struct platform_device *pdev)
+{
+ const struct scp_subdomain *sd;
+ const struct scp_soc_data *soc;
+ struct scp *scp;
+ struct genpd_onecell_data *pd_data;
+ int i, ret;
+
+ soc = of_device_get_match_data(&pdev->dev);
+
+ scp = init_scp(pdev, soc->domains, soc->num_domains, &soc->regs,
+ soc->bus_prot_reg_update);
+ if (IS_ERR(scp))
+ return PTR_ERR(scp);
+
+ mtk_register_power_domains(pdev, scp, soc->num_domains);
+
+ pd_data = &scp->pd_data;
+
+ for (i = 0, sd = soc->subdomains; i < soc->num_subdomains; i++, sd++) {
+ ret = pm_genpd_add_subdomain(pd_data->domains[sd->origin],
+ pd_data->domains[sd->subdomain]);
+ if (ret && IS_ENABLED(CONFIG_PM))
+ dev_err(&pdev->dev, "Failed to add subdomain: %d\n",
+ ret);
+ }
+
+ return 0;
+}
+
+static struct platform_driver scpsys_drv = {
+ .probe = scpsys_probe,
+ .driver = {
+ .name = "mtk-scpsys",
+ .suppress_bind_attrs = true,
+ .owner = THIS_MODULE,
+ .of_match_table = of_scpsys_match_tbl,
+ },
+};
+builtin_platform_driver(scpsys_drv);
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_QCOM_CPR) += cpr.o
+obj-$(CONFIG_QCOM_RPMPD) += rpmpd.o
+obj-$(CONFIG_QCOM_RPMHPD) += rpmhpd.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2019, Linaro Limited
+ */
+
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/debugfs.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/bitops.h>
+#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/pm_opp.h>
+#include <linux/interrupt.h>
+#include <linux/regmap.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regulator/consumer.h>
+#include <linux/clk.h>
+#include <linux/nvmem-consumer.h>
+
+/* Register Offsets for RB-CPR and Bit Definitions */
+
+/* RBCPR Version Register */
+#define REG_RBCPR_VERSION 0
+#define RBCPR_VER_2 0x02
+#define FLAGS_IGNORE_1ST_IRQ_STATUS BIT(0)
+
+/* RBCPR Gate Count and Target Registers */
+#define REG_RBCPR_GCNT_TARGET(n) (0x60 + 4 * (n))
+
+#define RBCPR_GCNT_TARGET_TARGET_SHIFT 0
+#define RBCPR_GCNT_TARGET_TARGET_MASK GENMASK(11, 0)
+#define RBCPR_GCNT_TARGET_GCNT_SHIFT 12
+#define RBCPR_GCNT_TARGET_GCNT_MASK GENMASK(9, 0)
+
+/* RBCPR Timer Control */
+#define REG_RBCPR_TIMER_INTERVAL 0x44
+#define REG_RBIF_TIMER_ADJUST 0x4c
+
+#define RBIF_TIMER_ADJ_CONS_UP_MASK GENMASK(3, 0)
+#define RBIF_TIMER_ADJ_CONS_UP_SHIFT 0
+#define RBIF_TIMER_ADJ_CONS_DOWN_MASK GENMASK(3, 0)
+#define RBIF_TIMER_ADJ_CONS_DOWN_SHIFT 4
+#define RBIF_TIMER_ADJ_CLAMP_INT_MASK GENMASK(7, 0)
+#define RBIF_TIMER_ADJ_CLAMP_INT_SHIFT 8
+
+/* RBCPR Config Register */
+#define REG_RBIF_LIMIT 0x48
+#define RBIF_LIMIT_CEILING_MASK GENMASK(5, 0)
+#define RBIF_LIMIT_CEILING_SHIFT 6
+#define RBIF_LIMIT_FLOOR_BITS 6
+#define RBIF_LIMIT_FLOOR_MASK GENMASK(5, 0)
+
+#define RBIF_LIMIT_CEILING_DEFAULT RBIF_LIMIT_CEILING_MASK
+#define RBIF_LIMIT_FLOOR_DEFAULT 0
+
+#define REG_RBIF_SW_VLEVEL 0x94
+#define RBIF_SW_VLEVEL_DEFAULT 0x20
+
+#define REG_RBCPR_STEP_QUOT 0x80
+#define RBCPR_STEP_QUOT_STEPQUOT_MASK GENMASK(7, 0)
+#define RBCPR_STEP_QUOT_IDLE_CLK_MASK GENMASK(3, 0)
+#define RBCPR_STEP_QUOT_IDLE_CLK_SHIFT 8
+
+/* RBCPR Control Register */
+#define REG_RBCPR_CTL 0x90
+
+#define RBCPR_CTL_LOOP_EN BIT(0)
+#define RBCPR_CTL_TIMER_EN BIT(3)
+#define RBCPR_CTL_SW_AUTO_CONT_ACK_EN BIT(5)
+#define RBCPR_CTL_SW_AUTO_CONT_NACK_DN_EN BIT(6)
+#define RBCPR_CTL_COUNT_MODE BIT(10)
+#define RBCPR_CTL_UP_THRESHOLD_MASK GENMASK(3, 0)
+#define RBCPR_CTL_UP_THRESHOLD_SHIFT 24
+#define RBCPR_CTL_DN_THRESHOLD_MASK GENMASK(3, 0)
+#define RBCPR_CTL_DN_THRESHOLD_SHIFT 28
+
+/* RBCPR Ack/Nack Response */
+#define REG_RBIF_CONT_ACK_CMD 0x98
+#define REG_RBIF_CONT_NACK_CMD 0x9c
+
+/* RBCPR Result status Register */
+#define REG_RBCPR_RESULT_0 0xa0
+
+#define RBCPR_RESULT0_BUSY_SHIFT 19
+#define RBCPR_RESULT0_BUSY_MASK BIT(RBCPR_RESULT0_BUSY_SHIFT)
+#define RBCPR_RESULT0_ERROR_LT0_SHIFT 18
+#define RBCPR_RESULT0_ERROR_SHIFT 6
+#define RBCPR_RESULT0_ERROR_MASK GENMASK(11, 0)
+#define RBCPR_RESULT0_ERROR_STEPS_SHIFT 2
+#define RBCPR_RESULT0_ERROR_STEPS_MASK GENMASK(3, 0)
+#define RBCPR_RESULT0_STEP_UP_SHIFT 1
+
+/* RBCPR Interrupt Control Register */
+#define REG_RBIF_IRQ_EN(n) (0x100 + 4 * (n))
+#define REG_RBIF_IRQ_CLEAR 0x110
+#define REG_RBIF_IRQ_STATUS 0x114
+
+#define CPR_INT_DONE BIT(0)
+#define CPR_INT_MIN BIT(1)
+#define CPR_INT_DOWN BIT(2)
+#define CPR_INT_MID BIT(3)
+#define CPR_INT_UP BIT(4)
+#define CPR_INT_MAX BIT(5)
+#define CPR_INT_CLAMP BIT(6)
+#define CPR_INT_ALL (CPR_INT_DONE | CPR_INT_MIN | CPR_INT_DOWN | \
+ CPR_INT_MID | CPR_INT_UP | CPR_INT_MAX | CPR_INT_CLAMP)
+#define CPR_INT_DEFAULT (CPR_INT_UP | CPR_INT_DOWN)
+
+#define CPR_NUM_RING_OSC 8
+
+/* CPR eFuse parameters */
+#define CPR_FUSE_TARGET_QUOT_BITS_MASK GENMASK(11, 0)
+
+#define CPR_FUSE_MIN_QUOT_DIFF 50
+
+#define FUSE_REVISION_UNKNOWN (-1)
+
+enum voltage_change_dir {
+ NO_CHANGE,
+ DOWN,
+ UP,
+};
+
+struct cpr_fuse {
+ char *ring_osc;
+ char *init_voltage;
+ char *quotient;
+ char *quotient_offset;
+};
+
+struct fuse_corner_data {
+ int ref_uV;
+ int max_uV;
+ int min_uV;
+ int max_volt_scale;
+ int max_quot_scale;
+ /* fuse quot */
+ int quot_offset;
+ int quot_scale;
+ int quot_adjust;
+ /* fuse quot_offset */
+ int quot_offset_scale;
+ int quot_offset_adjust;
+};
+
+struct cpr_fuses {
+ int init_voltage_step;
+ int init_voltage_width;
+ struct fuse_corner_data *fuse_corner_data;
+};
+
+struct corner_data {
+ unsigned int fuse_corner;
+ unsigned long freq;
+};
+
+struct cpr_desc {
+ unsigned int num_fuse_corners;
+ int min_diff_quot;
+ int *step_quot;
+
+ unsigned int timer_delay_us;
+ unsigned int timer_cons_up;
+ unsigned int timer_cons_down;
+ unsigned int up_threshold;
+ unsigned int down_threshold;
+ unsigned int idle_clocks;
+ unsigned int gcnt_us;
+ unsigned int vdd_apc_step_up_limit;
+ unsigned int vdd_apc_step_down_limit;
+ unsigned int clamp_timer_interval;
+
+ struct cpr_fuses cpr_fuses;
+ bool reduce_to_fuse_uV;
+ bool reduce_to_corner_uV;
+};
+
+struct acc_desc {
+ unsigned int enable_reg;
+ u32 enable_mask;
+
+ struct reg_sequence *config;
+ struct reg_sequence *settings;
+ int num_regs_per_fuse;
+};
+
+struct cpr_acc_desc {
+ const struct cpr_desc *cpr_desc;
+ const struct acc_desc *acc_desc;
+};
+
+struct fuse_corner {
+ int min_uV;
+ int max_uV;
+ int uV;
+ int quot;
+ int step_quot;
+ const struct reg_sequence *accs;
+ int num_accs;
+ unsigned long max_freq;
+ u8 ring_osc_idx;
+};
+
+struct corner {
+ int min_uV;
+ int max_uV;
+ int uV;
+ int last_uV;
+ int quot_adjust;
+ u32 save_ctl;
+ u32 save_irq;
+ unsigned long freq;
+ struct fuse_corner *fuse_corner;
+};
+
+struct cpr_drv {
+ unsigned int num_corners;
+ unsigned int ref_clk_khz;
+
+ struct generic_pm_domain pd;
+ struct device *dev;
+ struct device *attached_cpu_dev;
+ struct mutex lock;
+ void __iomem *base;
+ struct corner *corner;
+ struct regulator *vdd_apc;
+ struct clk *cpu_clk;
+ struct regmap *tcsr;
+ bool loop_disabled;
+ u32 gcnt;
+ unsigned long flags;
+
+ struct fuse_corner *fuse_corners;
+ struct corner *corners;
+
+ const struct cpr_desc *desc;
+ const struct acc_desc *acc_desc;
+ const struct cpr_fuse *cpr_fuses;
+
+ struct dentry *debugfs;
+};
+
+static bool cpr_is_allowed(struct cpr_drv *drv)
+{
+ return !drv->loop_disabled;
+}
+
+static void cpr_write(struct cpr_drv *drv, u32 offset, u32 value)
+{
+ writel_relaxed(value, drv->base + offset);
+}
+
+static u32 cpr_read(struct cpr_drv *drv, u32 offset)
+{
+ return readl_relaxed(drv->base + offset);
+}
+
+static void
+cpr_masked_write(struct cpr_drv *drv, u32 offset, u32 mask, u32 value)
+{
+ u32 val;
+
+ val = readl_relaxed(drv->base + offset);
+ val &= ~mask;
+ val |= value & mask;
+ writel_relaxed(val, drv->base + offset);
+}
+
+static void cpr_irq_clr(struct cpr_drv *drv)
+{
+ cpr_write(drv, REG_RBIF_IRQ_CLEAR, CPR_INT_ALL);
+}
+
+static void cpr_irq_clr_nack(struct cpr_drv *drv)
+{
+ cpr_irq_clr(drv);
+ cpr_write(drv, REG_RBIF_CONT_NACK_CMD, 1);
+}
+
+static void cpr_irq_clr_ack(struct cpr_drv *drv)
+{
+ cpr_irq_clr(drv);
+ cpr_write(drv, REG_RBIF_CONT_ACK_CMD, 1);
+}
+
+static void cpr_irq_set(struct cpr_drv *drv, u32 int_bits)
+{
+ cpr_write(drv, REG_RBIF_IRQ_EN(0), int_bits);
+}
+
+static void cpr_ctl_modify(struct cpr_drv *drv, u32 mask, u32 value)
+{
+ cpr_masked_write(drv, REG_RBCPR_CTL, mask, value);
+}
+
+static void cpr_ctl_enable(struct cpr_drv *drv, struct corner *corner)
+{
+ u32 val, mask;
+ const struct cpr_desc *desc = drv->desc;
+
+ /* Program Consecutive Up & Down */
+ val = desc->timer_cons_down << RBIF_TIMER_ADJ_CONS_DOWN_SHIFT;
+ val |= desc->timer_cons_up << RBIF_TIMER_ADJ_CONS_UP_SHIFT;
+ mask = RBIF_TIMER_ADJ_CONS_UP_MASK | RBIF_TIMER_ADJ_CONS_DOWN_MASK;
+ cpr_masked_write(drv, REG_RBIF_TIMER_ADJUST, mask, val);
+ cpr_masked_write(drv, REG_RBCPR_CTL,
+ RBCPR_CTL_SW_AUTO_CONT_NACK_DN_EN |
+ RBCPR_CTL_SW_AUTO_CONT_ACK_EN,
+ corner->save_ctl);
+ cpr_irq_set(drv, corner->save_irq);
+
+ if (cpr_is_allowed(drv) && corner->max_uV > corner->min_uV)
+ val = RBCPR_CTL_LOOP_EN;
+ else
+ val = 0;
+ cpr_ctl_modify(drv, RBCPR_CTL_LOOP_EN, val);
+}
+
+static void cpr_ctl_disable(struct cpr_drv *drv)
+{
+ cpr_irq_set(drv, 0);
+ cpr_ctl_modify(drv, RBCPR_CTL_SW_AUTO_CONT_NACK_DN_EN |
+ RBCPR_CTL_SW_AUTO_CONT_ACK_EN, 0);
+ cpr_masked_write(drv, REG_RBIF_TIMER_ADJUST,
+ RBIF_TIMER_ADJ_CONS_UP_MASK |
+ RBIF_TIMER_ADJ_CONS_DOWN_MASK, 0);
+ cpr_irq_clr(drv);
+ cpr_write(drv, REG_RBIF_CONT_ACK_CMD, 1);
+ cpr_write(drv, REG_RBIF_CONT_NACK_CMD, 1);
+ cpr_ctl_modify(drv, RBCPR_CTL_LOOP_EN, 0);
+}
+
+static bool cpr_ctl_is_enabled(struct cpr_drv *drv)
+{
+ u32 reg_val;
+
+ reg_val = cpr_read(drv, REG_RBCPR_CTL);
+ return reg_val & RBCPR_CTL_LOOP_EN;
+}
+
+static bool cpr_ctl_is_busy(struct cpr_drv *drv)
+{
+ u32 reg_val;
+
+ reg_val = cpr_read(drv, REG_RBCPR_RESULT_0);
+ return reg_val & RBCPR_RESULT0_BUSY_MASK;
+}
+
+static void cpr_corner_save(struct cpr_drv *drv, struct corner *corner)
+{
+ corner->save_ctl = cpr_read(drv, REG_RBCPR_CTL);
+ corner->save_irq = cpr_read(drv, REG_RBIF_IRQ_EN(0));
+}
+
+static void cpr_corner_restore(struct cpr_drv *drv, struct corner *corner)
+{
+ u32 gcnt, ctl, irq, ro_sel, step_quot;
+ struct fuse_corner *fuse = corner->fuse_corner;
+ const struct cpr_desc *desc = drv->desc;
+ int i;
+
+ ro_sel = fuse->ring_osc_idx;
+ gcnt = drv->gcnt;
+ gcnt |= fuse->quot - corner->quot_adjust;
+
+ /* Program the step quotient and idle clocks */
+ step_quot = desc->idle_clocks << RBCPR_STEP_QUOT_IDLE_CLK_SHIFT;
+ step_quot |= fuse->step_quot & RBCPR_STEP_QUOT_STEPQUOT_MASK;
+ cpr_write(drv, REG_RBCPR_STEP_QUOT, step_quot);
+
+ /* Clear the target quotient value and gate count of all ROs */
+ for (i = 0; i < CPR_NUM_RING_OSC; i++)
+ cpr_write(drv, REG_RBCPR_GCNT_TARGET(i), 0);
+
+ cpr_write(drv, REG_RBCPR_GCNT_TARGET(ro_sel), gcnt);
+ ctl = corner->save_ctl;
+ cpr_write(drv, REG_RBCPR_CTL, ctl);
+ irq = corner->save_irq;
+ cpr_irq_set(drv, irq);
+ dev_dbg(drv->dev, "gcnt = %#08x, ctl = %#08x, irq = %#08x\n", gcnt,
+ ctl, irq);
+}
+
+static void cpr_set_acc(struct regmap *tcsr, struct fuse_corner *f,
+ struct fuse_corner *end)
+{
+ if (f == end)
+ return;
+
+ if (f < end) {
+ for (f += 1; f <= end; f++)
+ regmap_multi_reg_write(tcsr, f->accs, f->num_accs);
+ } else {
+ for (f -= 1; f >= end; f--)
+ regmap_multi_reg_write(tcsr, f->accs, f->num_accs);
+ }
+}
+
+static int cpr_pre_voltage(struct cpr_drv *drv,
+ struct fuse_corner *fuse_corner,
+ enum voltage_change_dir dir)
+{
+ struct fuse_corner *prev_fuse_corner = drv->corner->fuse_corner;
+
+ if (drv->tcsr && dir == DOWN)
+ cpr_set_acc(drv->tcsr, prev_fuse_corner, fuse_corner);
+
+ return 0;
+}
+
+static int cpr_post_voltage(struct cpr_drv *drv,
+ struct fuse_corner *fuse_corner,
+ enum voltage_change_dir dir)
+{
+ struct fuse_corner *prev_fuse_corner = drv->corner->fuse_corner;
+
+ if (drv->tcsr && dir == UP)
+ cpr_set_acc(drv->tcsr, prev_fuse_corner, fuse_corner);
+
+ return 0;
+}
+
+static int cpr_scale_voltage(struct cpr_drv *drv, struct corner *corner,
+ int new_uV, enum voltage_change_dir dir)
+{
+ int ret;
+ struct fuse_corner *fuse_corner = corner->fuse_corner;
+
+ ret = cpr_pre_voltage(drv, fuse_corner, dir);
+ if (ret)
+ return ret;
+
+ ret = regulator_set_voltage(drv->vdd_apc, new_uV, new_uV);
+ if (ret) {
+ dev_err_ratelimited(drv->dev, "failed to set apc voltage %d\n",
+ new_uV);
+ return ret;
+ }
+
+ ret = cpr_post_voltage(drv, fuse_corner, dir);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static unsigned int cpr_get_cur_perf_state(struct cpr_drv *drv)
+{
+ return drv->corner ? drv->corner - drv->corners + 1 : 0;
+}
+
+static int cpr_scale(struct cpr_drv *drv, enum voltage_change_dir dir)
+{
+ u32 val, error_steps, reg_mask;
+ int last_uV, new_uV, step_uV, ret;
+ struct corner *corner;
+ const struct cpr_desc *desc = drv->desc;
+
+ if (dir != UP && dir != DOWN)
+ return 0;
+
+ step_uV = regulator_get_linear_step(drv->vdd_apc);
+ if (!step_uV)
+ return -EINVAL;
+
+ corner = drv->corner;
+
+ val = cpr_read(drv, REG_RBCPR_RESULT_0);
+
+ error_steps = val >> RBCPR_RESULT0_ERROR_STEPS_SHIFT;
+ error_steps &= RBCPR_RESULT0_ERROR_STEPS_MASK;
+ last_uV = corner->last_uV;
+
+ if (dir == UP) {
+ if (desc->clamp_timer_interval &&
+ error_steps < desc->up_threshold) {
+ /*
+ * Handle the case where another measurement started
+ * after the interrupt was triggered due to a core
+ * exiting from power collapse.
+ */
+ error_steps = max(desc->up_threshold,
+ desc->vdd_apc_step_up_limit);
+ }
+
+ if (last_uV >= corner->max_uV) {
+ cpr_irq_clr_nack(drv);
+
+ /* Maximize the UP threshold */
+ reg_mask = RBCPR_CTL_UP_THRESHOLD_MASK;
+ reg_mask <<= RBCPR_CTL_UP_THRESHOLD_SHIFT;
+ val = reg_mask;
+ cpr_ctl_modify(drv, reg_mask, val);
+
+ /* Disable UP interrupt */
+ cpr_irq_set(drv, CPR_INT_DEFAULT & ~CPR_INT_UP);
+
+ return 0;
+ }
+
+ if (error_steps > desc->vdd_apc_step_up_limit)
+ error_steps = desc->vdd_apc_step_up_limit;
+
+ /* Calculate new voltage */
+ new_uV = last_uV + error_steps * step_uV;
+ new_uV = min(new_uV, corner->max_uV);
+
+ dev_dbg(drv->dev,
+ "UP: -> new_uV: %d last_uV: %d perf state: %u\n",
+ new_uV, last_uV, cpr_get_cur_perf_state(drv));
+ } else {
+ if (desc->clamp_timer_interval &&
+ error_steps < desc->down_threshold) {
+ /*
+ * Handle the case where another measurement started
+ * after the interrupt was triggered due to a core
+ * exiting from power collapse.
+ */
+ error_steps = max(desc->down_threshold,
+ desc->vdd_apc_step_down_limit);
+ }
+
+ if (last_uV <= corner->min_uV) {
+ cpr_irq_clr_nack(drv);
+
+ /* Enable auto nack down */
+ reg_mask = RBCPR_CTL_SW_AUTO_CONT_NACK_DN_EN;
+ val = RBCPR_CTL_SW_AUTO_CONT_NACK_DN_EN;
+
+ cpr_ctl_modify(drv, reg_mask, val);
+
+ /* Disable DOWN interrupt */
+ cpr_irq_set(drv, CPR_INT_DEFAULT & ~CPR_INT_DOWN);
+
+ return 0;
+ }
+
+ if (error_steps > desc->vdd_apc_step_down_limit)
+ error_steps = desc->vdd_apc_step_down_limit;
+
+ /* Calculate new voltage */
+ new_uV = last_uV - error_steps * step_uV;
+ new_uV = max(new_uV, corner->min_uV);
+
+ dev_dbg(drv->dev,
+ "DOWN: -> new_uV: %d last_uV: %d perf state: %u\n",
+ new_uV, last_uV, cpr_get_cur_perf_state(drv));
+ }
+
+ ret = cpr_scale_voltage(drv, corner, new_uV, dir);
+ if (ret) {
+ cpr_irq_clr_nack(drv);
+ return ret;
+ }
+ drv->corner->last_uV = new_uV;
+
+ if (dir == UP) {
+ /* Disable auto nack down */
+ reg_mask = RBCPR_CTL_SW_AUTO_CONT_NACK_DN_EN;
+ val = 0;
+ } else {
+ /* Restore default threshold for UP */
+ reg_mask = RBCPR_CTL_UP_THRESHOLD_MASK;
+ reg_mask <<= RBCPR_CTL_UP_THRESHOLD_SHIFT;
+ val = desc->up_threshold;
+ val <<= RBCPR_CTL_UP_THRESHOLD_SHIFT;
+ }
+
+ cpr_ctl_modify(drv, reg_mask, val);
+
+ /* Re-enable default interrupts */
+ cpr_irq_set(drv, CPR_INT_DEFAULT);
+
+ /* Ack */
+ cpr_irq_clr_ack(drv);
+
+ return 0;
+}
+
+static irqreturn_t cpr_irq_handler(int irq, void *dev)
+{
+ struct cpr_drv *drv = dev;
+ const struct cpr_desc *desc = drv->desc;
+ irqreturn_t ret = IRQ_HANDLED;
+ u32 val;
+
+ mutex_lock(&drv->lock);
+
+ val = cpr_read(drv, REG_RBIF_IRQ_STATUS);
+ if (drv->flags & FLAGS_IGNORE_1ST_IRQ_STATUS)
+ val = cpr_read(drv, REG_RBIF_IRQ_STATUS);
+
+ dev_dbg(drv->dev, "IRQ_STATUS = %#02x\n", val);
+
+ if (!cpr_ctl_is_enabled(drv)) {
+ dev_dbg(drv->dev, "CPR is disabled\n");
+ ret = IRQ_NONE;
+ } else if (cpr_ctl_is_busy(drv) && !desc->clamp_timer_interval) {
+ dev_dbg(drv->dev, "CPR measurement is not ready\n");
+ } else if (!cpr_is_allowed(drv)) {
+ val = cpr_read(drv, REG_RBCPR_CTL);
+ dev_err_ratelimited(drv->dev,
+ "Interrupt broken? RBCPR_CTL = %#02x\n",
+ val);
+ ret = IRQ_NONE;
+ } else {
+ /*
+ * Following sequence of handling is as per each IRQ's
+ * priority
+ */
+ if (val & CPR_INT_UP) {
+ cpr_scale(drv, UP);
+ } else if (val & CPR_INT_DOWN) {
+ cpr_scale(drv, DOWN);
+ } else if (val & CPR_INT_MIN) {
+ cpr_irq_clr_nack(drv);
+ } else if (val & CPR_INT_MAX) {
+ cpr_irq_clr_nack(drv);
+ } else if (val & CPR_INT_MID) {
+ /* RBCPR_CTL_SW_AUTO_CONT_ACK_EN is enabled */
+ dev_dbg(drv->dev, "IRQ occurred for Mid Flag\n");
+ } else {
+ dev_dbg(drv->dev,
+ "IRQ occurred for unknown flag (%#08x)\n", val);
+ }
+
+ /* Save register values for the corner */
+ cpr_corner_save(drv, drv->corner);
+ }
+
+ mutex_unlock(&drv->lock);
+
+ return ret;
+}
+
+static int cpr_enable(struct cpr_drv *drv)
+{
+ int ret;
+
+ ret = regulator_enable(drv->vdd_apc);
+ if (ret)
+ return ret;
+
+ mutex_lock(&drv->lock);
+
+ if (cpr_is_allowed(drv) && drv->corner) {
+ cpr_irq_clr(drv);
+ cpr_corner_restore(drv, drv->corner);
+ cpr_ctl_enable(drv, drv->corner);
+ }
+
+ mutex_unlock(&drv->lock);
+
+ return 0;
+}
+
+static int cpr_disable(struct cpr_drv *drv)
+{
+ mutex_lock(&drv->lock);
+
+ if (cpr_is_allowed(drv)) {
+ cpr_ctl_disable(drv);
+ cpr_irq_clr(drv);
+ }
+
+ mutex_unlock(&drv->lock);
+
+ return regulator_disable(drv->vdd_apc);
+}
+
+static int cpr_config(struct cpr_drv *drv)
+{
+ int i;
+ u32 val, gcnt;
+ struct corner *corner;
+ const struct cpr_desc *desc = drv->desc;
+
+ /* Disable interrupt and CPR */
+ cpr_write(drv, REG_RBIF_IRQ_EN(0), 0);
+ cpr_write(drv, REG_RBCPR_CTL, 0);
+
+ /* Program the default HW ceiling, floor and vlevel */
+ val = (RBIF_LIMIT_CEILING_DEFAULT & RBIF_LIMIT_CEILING_MASK)
+ << RBIF_LIMIT_CEILING_SHIFT;
+ val |= RBIF_LIMIT_FLOOR_DEFAULT & RBIF_LIMIT_FLOOR_MASK;
+ cpr_write(drv, REG_RBIF_LIMIT, val);
+ cpr_write(drv, REG_RBIF_SW_VLEVEL, RBIF_SW_VLEVEL_DEFAULT);
+
+ /*
+ * Clear the target quotient value and gate count of all
+ * ring oscillators
+ */
+ for (i = 0; i < CPR_NUM_RING_OSC; i++)
+ cpr_write(drv, REG_RBCPR_GCNT_TARGET(i), 0);
+
+ /* Init and save gcnt */
+ gcnt = (drv->ref_clk_khz * desc->gcnt_us) / 1000;
+ gcnt = gcnt & RBCPR_GCNT_TARGET_GCNT_MASK;
+ gcnt <<= RBCPR_GCNT_TARGET_GCNT_SHIFT;
+ drv->gcnt = gcnt;
+
+ /* Program the delay count for the timer */
+ val = (drv->ref_clk_khz * desc->timer_delay_us) / 1000;
+ cpr_write(drv, REG_RBCPR_TIMER_INTERVAL, val);
+ dev_dbg(drv->dev, "Timer count: %#0x (for %d us)\n", val,
+ desc->timer_delay_us);
+
+ /* Program Consecutive Up & Down */
+ val = desc->timer_cons_down << RBIF_TIMER_ADJ_CONS_DOWN_SHIFT;
+ val |= desc->timer_cons_up << RBIF_TIMER_ADJ_CONS_UP_SHIFT;
+ val |= desc->clamp_timer_interval << RBIF_TIMER_ADJ_CLAMP_INT_SHIFT;
+ cpr_write(drv, REG_RBIF_TIMER_ADJUST, val);
+
+ /* Program the control register */
+ val = desc->up_threshold << RBCPR_CTL_UP_THRESHOLD_SHIFT;
+ val |= desc->down_threshold << RBCPR_CTL_DN_THRESHOLD_SHIFT;
+ val |= RBCPR_CTL_TIMER_EN | RBCPR_CTL_COUNT_MODE;
+ val |= RBCPR_CTL_SW_AUTO_CONT_ACK_EN;
+ cpr_write(drv, REG_RBCPR_CTL, val);
+
+ for (i = 0; i < drv->num_corners; i++) {
+ corner = &drv->corners[i];
+ corner->save_ctl = val;
+ corner->save_irq = CPR_INT_DEFAULT;
+ }
+
+ cpr_irq_set(drv, CPR_INT_DEFAULT);
+
+ val = cpr_read(drv, REG_RBCPR_VERSION);
+ if (val <= RBCPR_VER_2)
+ drv->flags |= FLAGS_IGNORE_1ST_IRQ_STATUS;
+
+ return 0;
+}
+
+static int cpr_set_performance_state(struct generic_pm_domain *domain,
+ unsigned int state)
+{
+ struct cpr_drv *drv = container_of(domain, struct cpr_drv, pd);
+ struct corner *corner, *end;
+ enum voltage_change_dir dir;
+ int ret = 0, new_uV;
+
+ mutex_lock(&drv->lock);
+
+ dev_dbg(drv->dev, "%s: setting perf state: %u (prev state: %u)\n",
+ __func__, state, cpr_get_cur_perf_state(drv));
+
+ /*
+ * Determine new corner we're going to.
+ * Remove one since lowest performance state is 1.
+ */
+ corner = drv->corners + state - 1;
+ end = &drv->corners[drv->num_corners - 1];
+ if (corner > end || corner < drv->corners) {
+ ret = -EINVAL;
+ goto unlock;
+ }
+
+ /* Determine direction */
+ if (drv->corner > corner)
+ dir = DOWN;
+ else if (drv->corner < corner)
+ dir = UP;
+ else
+ dir = NO_CHANGE;
+
+ if (cpr_is_allowed(drv))
+ new_uV = corner->last_uV;
+ else
+ new_uV = corner->uV;
+
+ if (cpr_is_allowed(drv))
+ cpr_ctl_disable(drv);
+
+ ret = cpr_scale_voltage(drv, corner, new_uV, dir);
+ if (ret)
+ goto unlock;
+
+ if (cpr_is_allowed(drv)) {
+ cpr_irq_clr(drv);
+ if (drv->corner != corner)
+ cpr_corner_restore(drv, corner);
+ cpr_ctl_enable(drv, corner);
+ }
+
+ drv->corner = corner;
+
+unlock:
+ mutex_unlock(&drv->lock);
+
+ return ret;
+}
+
+static int
+cpr_populate_ring_osc_idx(struct cpr_drv *drv)
+{
+ struct fuse_corner *fuse = drv->fuse_corners;
+ struct fuse_corner *end = fuse + drv->desc->num_fuse_corners;
+ const struct cpr_fuse *fuses = drv->cpr_fuses;
+ u32 data;
+ int ret;
+
+ for (; fuse < end; fuse++, fuses++) {
+ ret = nvmem_cell_read_variable_le_u32(drv->dev, fuses->ring_osc, &data);
+ if (ret)
+ return ret;
+ fuse->ring_osc_idx = data;
+ }
+
+ return 0;
+}
+
+static int cpr_read_fuse_uV(const struct cpr_desc *desc,
+ const struct fuse_corner_data *fdata,
+ const char *init_v_efuse,
+ int step_volt,
+ struct cpr_drv *drv)
+{
+ int step_size_uV, steps, uV;
+ u32 bits = 0;
+ int ret;
+
+ ret = nvmem_cell_read_variable_le_u32(drv->dev, init_v_efuse, &bits);
+ if (ret)
+ return ret;
+
+ steps = bits & ~BIT(desc->cpr_fuses.init_voltage_width - 1);
+ /* Not two's complement.. instead highest bit is sign bit */
+ if (bits & BIT(desc->cpr_fuses.init_voltage_width - 1))
+ steps = -steps;
+
+ step_size_uV = desc->cpr_fuses.init_voltage_step;
+
+ uV = fdata->ref_uV + steps * step_size_uV;
+ return DIV_ROUND_UP(uV, step_volt) * step_volt;
+}
+
+static int cpr_fuse_corner_init(struct cpr_drv *drv)
+{
+ const struct cpr_desc *desc = drv->desc;
+ const struct cpr_fuse *fuses = drv->cpr_fuses;
+ const struct acc_desc *acc_desc = drv->acc_desc;
+ int i;
+ unsigned int step_volt;
+ struct fuse_corner_data *fdata;
+ struct fuse_corner *fuse, *end;
+ int uV;
+ const struct reg_sequence *accs;
+ int ret;
+
+ accs = acc_desc->settings;
+
+ step_volt = regulator_get_linear_step(drv->vdd_apc);
+ if (!step_volt)
+ return -EINVAL;
+
+ /* Populate fuse_corner members */
+ fuse = drv->fuse_corners;
+ end = &fuse[desc->num_fuse_corners - 1];
+ fdata = desc->cpr_fuses.fuse_corner_data;
+
+ for (i = 0; fuse <= end; fuse++, fuses++, i++, fdata++) {
+ /*
+ * Update SoC voltages: platforms might choose a different
+ * regulators than the one used to characterize the algorithms
+ * (ie, init_voltage_step).
+ */
+ fdata->min_uV = roundup(fdata->min_uV, step_volt);
+ fdata->max_uV = roundup(fdata->max_uV, step_volt);
+
+ /* Populate uV */
+ uV = cpr_read_fuse_uV(desc, fdata, fuses->init_voltage,
+ step_volt, drv);
+ if (uV < 0)
+ return uV;
+
+ fuse->min_uV = fdata->min_uV;
+ fuse->max_uV = fdata->max_uV;
+ fuse->uV = clamp(uV, fuse->min_uV, fuse->max_uV);
+
+ if (fuse == end) {
+ /*
+ * Allow the highest fuse corner's PVS voltage to
+ * define the ceiling voltage for that corner in order
+ * to support SoC's in which variable ceiling values
+ * are required.
+ */
+ end->max_uV = max(end->max_uV, end->uV);
+ }
+
+ /* Populate target quotient by scaling */
+ ret = nvmem_cell_read_variable_le_u32(drv->dev, fuses->quotient, &fuse->quot);
+ if (ret)
+ return ret;
+
+ fuse->quot *= fdata->quot_scale;
+ fuse->quot += fdata->quot_offset;
+ fuse->quot += fdata->quot_adjust;
+ fuse->step_quot = desc->step_quot[fuse->ring_osc_idx];
+
+ /* Populate acc settings */
+ fuse->accs = accs;
+ fuse->num_accs = acc_desc->num_regs_per_fuse;
+ accs += acc_desc->num_regs_per_fuse;
+ }
+
+ /*
+ * Restrict all fuse corner PVS voltages based upon per corner
+ * ceiling and floor voltages.
+ */
+ for (fuse = drv->fuse_corners, i = 0; fuse <= end; fuse++, i++) {
+ if (fuse->uV > fuse->max_uV)
+ fuse->uV = fuse->max_uV;
+ else if (fuse->uV < fuse->min_uV)
+ fuse->uV = fuse->min_uV;
+
+ ret = regulator_is_supported_voltage(drv->vdd_apc,
+ fuse->min_uV,
+ fuse->min_uV);
+ if (!ret) {
+ dev_err(drv->dev,
+ "min uV: %d (fuse corner: %d) not supported by regulator\n",
+ fuse->min_uV, i);
+ return -EINVAL;
+ }
+
+ ret = regulator_is_supported_voltage(drv->vdd_apc,
+ fuse->max_uV,
+ fuse->max_uV);
+ if (!ret) {
+ dev_err(drv->dev,
+ "max uV: %d (fuse corner: %d) not supported by regulator\n",
+ fuse->max_uV, i);
+ return -EINVAL;
+ }
+
+ dev_dbg(drv->dev,
+ "fuse corner %d: [%d %d %d] RO%hhu quot %d squot %d\n",
+ i, fuse->min_uV, fuse->uV, fuse->max_uV,
+ fuse->ring_osc_idx, fuse->quot, fuse->step_quot);
+ }
+
+ return 0;
+}
+
+static int cpr_calculate_scaling(const char *quot_offset,
+ struct cpr_drv *drv,
+ const struct fuse_corner_data *fdata,
+ const struct corner *corner)
+{
+ u32 quot_diff = 0;
+ unsigned long freq_diff;
+ int scaling;
+ const struct fuse_corner *fuse, *prev_fuse;
+ int ret;
+
+ fuse = corner->fuse_corner;
+ prev_fuse = fuse - 1;
+
+ if (quot_offset) {
+ ret = nvmem_cell_read_variable_le_u32(drv->dev, quot_offset, "_diff);
+ if (ret)
+ return ret;
+
+ quot_diff *= fdata->quot_offset_scale;
+ quot_diff += fdata->quot_offset_adjust;
+ } else {
+ quot_diff = fuse->quot - prev_fuse->quot;
+ }
+
+ freq_diff = fuse->max_freq - prev_fuse->max_freq;
+ freq_diff /= 1000000; /* Convert to MHz */
+ scaling = 1000 * quot_diff / freq_diff;
+ return min(scaling, fdata->max_quot_scale);
+}
+
+static int cpr_interpolate(const struct corner *corner, int step_volt,
+ const struct fuse_corner_data *fdata)
+{
+ unsigned long f_high, f_low, f_diff;
+ int uV_high, uV_low, uV;
+ u64 temp, temp_limit;
+ const struct fuse_corner *fuse, *prev_fuse;
+
+ fuse = corner->fuse_corner;
+ prev_fuse = fuse - 1;
+
+ f_high = fuse->max_freq;
+ f_low = prev_fuse->max_freq;
+ uV_high = fuse->uV;
+ uV_low = prev_fuse->uV;
+ f_diff = fuse->max_freq - corner->freq;
+
+ /*
+ * Don't interpolate in the wrong direction. This could happen
+ * if the adjusted fuse voltage overlaps with the previous fuse's
+ * adjusted voltage.
+ */
+ if (f_high <= f_low || uV_high <= uV_low || f_high <= corner->freq)
+ return corner->uV;
+
+ temp = f_diff * (uV_high - uV_low);
+ temp = div64_ul(temp, f_high - f_low);
+
+ /*
+ * max_volt_scale has units of uV/MHz while freq values
+ * have units of Hz. Divide by 1000000 to convert to.
+ */
+ temp_limit = f_diff * fdata->max_volt_scale;
+ do_div(temp_limit, 1000000);
+
+ uV = uV_high - min(temp, temp_limit);
+ return roundup(uV, step_volt);
+}
+
+static unsigned int cpr_get_fuse_corner(struct dev_pm_opp *opp)
+{
+ struct device_node *np;
+ unsigned int fuse_corner = 0;
+
+ np = dev_pm_opp_get_of_node(opp);
+ if (of_property_read_u32(np, "qcom,opp-fuse-level", &fuse_corner))
+ pr_err("%s: missing 'qcom,opp-fuse-level' property\n",
+ __func__);
+
+ of_node_put(np);
+
+ return fuse_corner;
+}
+
+static unsigned long cpr_get_opp_hz_for_req(struct dev_pm_opp *ref,
+ struct device *cpu_dev)
+{
+ u64 rate = 0;
+ struct device_node *ref_np;
+ struct device_node *desc_np;
+ struct device_node *child_np = NULL;
+ struct device_node *child_req_np = NULL;
+
+ desc_np = dev_pm_opp_of_get_opp_desc_node(cpu_dev);
+ if (!desc_np)
+ return 0;
+
+ ref_np = dev_pm_opp_get_of_node(ref);
+ if (!ref_np)
+ goto out_ref;
+
+ do {
+ of_node_put(child_req_np);
+ child_np = of_get_next_available_child(desc_np, child_np);
+ child_req_np = of_parse_phandle(child_np, "required-opps", 0);
+ } while (child_np && child_req_np != ref_np);
+
+ if (child_np && child_req_np == ref_np)
+ of_property_read_u64(child_np, "opp-hz", &rate);
+
+ of_node_put(child_req_np);
+ of_node_put(child_np);
+ of_node_put(ref_np);
+out_ref:
+ of_node_put(desc_np);
+
+ return (unsigned long) rate;
+}
+
+static int cpr_corner_init(struct cpr_drv *drv)
+{
+ const struct cpr_desc *desc = drv->desc;
+ const struct cpr_fuse *fuses = drv->cpr_fuses;
+ int i, level, scaling = 0;
+ unsigned int fnum, fc;
+ const char *quot_offset;
+ struct fuse_corner *fuse, *prev_fuse;
+ struct corner *corner, *end;
+ struct corner_data *cdata;
+ const struct fuse_corner_data *fdata;
+ bool apply_scaling;
+ unsigned long freq_diff, freq_diff_mhz;
+ unsigned long freq;
+ int step_volt = regulator_get_linear_step(drv->vdd_apc);
+ struct dev_pm_opp *opp;
+
+ if (!step_volt)
+ return -EINVAL;
+
+ corner = drv->corners;
+ end = &corner[drv->num_corners - 1];
+
+ cdata = devm_kcalloc(drv->dev, drv->num_corners,
+ sizeof(struct corner_data),
+ GFP_KERNEL);
+ if (!cdata)
+ return -ENOMEM;
+
+ /*
+ * Store maximum frequency for each fuse corner based on the frequency
+ * plan
+ */
+ for (level = 1; level <= drv->num_corners; level++) {
+ opp = dev_pm_opp_find_level_exact(&drv->pd.dev, level);
+ if (IS_ERR(opp))
+ return -EINVAL;
+ fc = cpr_get_fuse_corner(opp);
+ if (!fc) {
+ dev_pm_opp_put(opp);
+ return -EINVAL;
+ }
+ fnum = fc - 1;
+ freq = cpr_get_opp_hz_for_req(opp, drv->attached_cpu_dev);
+ if (!freq) {
+ dev_pm_opp_put(opp);
+ return -EINVAL;
+ }
+ cdata[level - 1].fuse_corner = fnum;
+ cdata[level - 1].freq = freq;
+
+ fuse = &drv->fuse_corners[fnum];
+ dev_dbg(drv->dev, "freq: %lu level: %u fuse level: %u\n",
+ freq, dev_pm_opp_get_level(opp) - 1, fnum);
+ if (freq > fuse->max_freq)
+ fuse->max_freq = freq;
+ dev_pm_opp_put(opp);
+ }
+
+ /*
+ * Get the quotient adjustment scaling factor, according to:
+ *
+ * scaling = min(1000 * (QUOT(corner_N) - QUOT(corner_N-1))
+ * / (freq(corner_N) - freq(corner_N-1)), max_factor)
+ *
+ * QUOT(corner_N): quotient read from fuse for fuse corner N
+ * QUOT(corner_N-1): quotient read from fuse for fuse corner (N - 1)
+ * freq(corner_N): max frequency in MHz supported by fuse corner N
+ * freq(corner_N-1): max frequency in MHz supported by fuse corner
+ * (N - 1)
+ *
+ * Then walk through the corners mapped to each fuse corner
+ * and calculate the quotient adjustment for each one using the
+ * following formula:
+ *
+ * quot_adjust = (freq_max - freq_corner) * scaling / 1000
+ *
+ * freq_max: max frequency in MHz supported by the fuse corner
+ * freq_corner: frequency in MHz corresponding to the corner
+ * scaling: calculated from above equation
+ *
+ *
+ * + +
+ * | v |
+ * q | f c o | f c
+ * u | c l | c
+ * o | f t | f
+ * t | c a | c
+ * | c f g | c f
+ * | e |
+ * +--------------- +----------------
+ * 0 1 2 3 4 5 6 0 1 2 3 4 5 6
+ * corner corner
+ *
+ * c = corner
+ * f = fuse corner
+ *
+ */
+ for (apply_scaling = false, i = 0; corner <= end; corner++, i++) {
+ fnum = cdata[i].fuse_corner;
+ fdata = &desc->cpr_fuses.fuse_corner_data[fnum];
+ quot_offset = fuses[fnum].quotient_offset;
+ fuse = &drv->fuse_corners[fnum];
+ if (fnum)
+ prev_fuse = &drv->fuse_corners[fnum - 1];
+ else
+ prev_fuse = NULL;
+
+ corner->fuse_corner = fuse;
+ corner->freq = cdata[i].freq;
+ corner->uV = fuse->uV;
+
+ if (prev_fuse && cdata[i - 1].freq == prev_fuse->max_freq) {
+ scaling = cpr_calculate_scaling(quot_offset, drv,
+ fdata, corner);
+ if (scaling < 0)
+ return scaling;
+
+ apply_scaling = true;
+ } else if (corner->freq == fuse->max_freq) {
+ /* This is a fuse corner; don't scale anything */
+ apply_scaling = false;
+ }
+
+ if (apply_scaling) {
+ freq_diff = fuse->max_freq - corner->freq;
+ freq_diff_mhz = freq_diff / 1000000;
+ corner->quot_adjust = scaling * freq_diff_mhz / 1000;
+
+ corner->uV = cpr_interpolate(corner, step_volt, fdata);
+ }
+
+ corner->max_uV = fuse->max_uV;
+ corner->min_uV = fuse->min_uV;
+ corner->uV = clamp(corner->uV, corner->min_uV, corner->max_uV);
+ corner->last_uV = corner->uV;
+
+ /* Reduce the ceiling voltage if needed */
+ if (desc->reduce_to_corner_uV && corner->uV < corner->max_uV)
+ corner->max_uV = corner->uV;
+ else if (desc->reduce_to_fuse_uV && fuse->uV < corner->max_uV)
+ corner->max_uV = max(corner->min_uV, fuse->uV);
+
+ dev_dbg(drv->dev, "corner %d: [%d %d %d] quot %d\n", i,
+ corner->min_uV, corner->uV, corner->max_uV,
+ fuse->quot - corner->quot_adjust);
+ }
+
+ return 0;
+}
+
+static const struct cpr_fuse *cpr_get_fuses(struct cpr_drv *drv)
+{
+ const struct cpr_desc *desc = drv->desc;
+ struct cpr_fuse *fuses;
+ int i;
+
+ fuses = devm_kcalloc(drv->dev, desc->num_fuse_corners,
+ sizeof(struct cpr_fuse),
+ GFP_KERNEL);
+ if (!fuses)
+ return ERR_PTR(-ENOMEM);
+
+ for (i = 0; i < desc->num_fuse_corners; i++) {
+ char tbuf[32];
+
+ snprintf(tbuf, 32, "cpr_ring_osc%d", i + 1);
+ fuses[i].ring_osc = devm_kstrdup(drv->dev, tbuf, GFP_KERNEL);
+ if (!fuses[i].ring_osc)
+ return ERR_PTR(-ENOMEM);
+
+ snprintf(tbuf, 32, "cpr_init_voltage%d", i + 1);
+ fuses[i].init_voltage = devm_kstrdup(drv->dev, tbuf,
+ GFP_KERNEL);
+ if (!fuses[i].init_voltage)
+ return ERR_PTR(-ENOMEM);
+
+ snprintf(tbuf, 32, "cpr_quotient%d", i + 1);
+ fuses[i].quotient = devm_kstrdup(drv->dev, tbuf, GFP_KERNEL);
+ if (!fuses[i].quotient)
+ return ERR_PTR(-ENOMEM);
+
+ snprintf(tbuf, 32, "cpr_quotient_offset%d", i + 1);
+ fuses[i].quotient_offset = devm_kstrdup(drv->dev, tbuf,
+ GFP_KERNEL);
+ if (!fuses[i].quotient_offset)
+ return ERR_PTR(-ENOMEM);
+ }
+
+ return fuses;
+}
+
+static void cpr_set_loop_allowed(struct cpr_drv *drv)
+{
+ drv->loop_disabled = false;
+}
+
+static int cpr_init_parameters(struct cpr_drv *drv)
+{
+ const struct cpr_desc *desc = drv->desc;
+ struct clk *clk;
+
+ clk = clk_get(drv->dev, "ref");
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+
+ drv->ref_clk_khz = clk_get_rate(clk) / 1000;
+ clk_put(clk);
+
+ if (desc->timer_cons_up > RBIF_TIMER_ADJ_CONS_UP_MASK ||
+ desc->timer_cons_down > RBIF_TIMER_ADJ_CONS_DOWN_MASK ||
+ desc->up_threshold > RBCPR_CTL_UP_THRESHOLD_MASK ||
+ desc->down_threshold > RBCPR_CTL_DN_THRESHOLD_MASK ||
+ desc->idle_clocks > RBCPR_STEP_QUOT_IDLE_CLK_MASK ||
+ desc->clamp_timer_interval > RBIF_TIMER_ADJ_CLAMP_INT_MASK)
+ return -EINVAL;
+
+ dev_dbg(drv->dev, "up threshold = %u, down threshold = %u\n",
+ desc->up_threshold, desc->down_threshold);
+
+ return 0;
+}
+
+static int cpr_find_initial_corner(struct cpr_drv *drv)
+{
+ unsigned long rate;
+ const struct corner *end;
+ struct corner *iter;
+ unsigned int i = 0;
+
+ if (!drv->cpu_clk) {
+ dev_err(drv->dev, "cannot get rate from NULL clk\n");
+ return -EINVAL;
+ }
+
+ end = &drv->corners[drv->num_corners - 1];
+ rate = clk_get_rate(drv->cpu_clk);
+
+ /*
+ * Some bootloaders set a CPU clock frequency that is not defined
+ * in the OPP table. When running at an unlisted frequency,
+ * cpufreq_online() will change to the OPP which has the lowest
+ * frequency, at or above the unlisted frequency.
+ * Since cpufreq_online() always "rounds up" in the case of an
+ * unlisted frequency, this function always "rounds down" in case
+ * of an unlisted frequency. That way, when cpufreq_online()
+ * triggers the first ever call to cpr_set_performance_state(),
+ * it will correctly determine the direction as UP.
+ */
+ for (iter = drv->corners; iter <= end; iter++) {
+ if (iter->freq > rate)
+ break;
+ i++;
+ if (iter->freq == rate) {
+ drv->corner = iter;
+ break;
+ }
+ if (iter->freq < rate)
+ drv->corner = iter;
+ }
+
+ if (!drv->corner) {
+ dev_err(drv->dev, "boot up corner not found\n");
+ return -EINVAL;
+ }
+
+ dev_dbg(drv->dev, "boot up perf state: %u\n", i);
+
+ return 0;
+}
+
+static const struct cpr_desc qcs404_cpr_desc = {
+ .num_fuse_corners = 3,
+ .min_diff_quot = CPR_FUSE_MIN_QUOT_DIFF,
+ .step_quot = (int []){ 25, 25, 25, },
+ .timer_delay_us = 5000,
+ .timer_cons_up = 0,
+ .timer_cons_down = 2,
+ .up_threshold = 1,
+ .down_threshold = 3,
+ .idle_clocks = 15,
+ .gcnt_us = 1,
+ .vdd_apc_step_up_limit = 1,
+ .vdd_apc_step_down_limit = 1,
+ .cpr_fuses = {
+ .init_voltage_step = 8000,
+ .init_voltage_width = 6,
+ .fuse_corner_data = (struct fuse_corner_data[]){
+ /* fuse corner 0 */
+ {
+ .ref_uV = 1224000,
+ .max_uV = 1224000,
+ .min_uV = 1048000,
+ .max_volt_scale = 0,
+ .max_quot_scale = 0,
+ .quot_offset = 0,
+ .quot_scale = 1,
+ .quot_adjust = 0,
+ .quot_offset_scale = 5,
+ .quot_offset_adjust = 0,
+ },
+ /* fuse corner 1 */
+ {
+ .ref_uV = 1288000,
+ .max_uV = 1288000,
+ .min_uV = 1048000,
+ .max_volt_scale = 2000,
+ .max_quot_scale = 1400,
+ .quot_offset = 0,
+ .quot_scale = 1,
+ .quot_adjust = -20,
+ .quot_offset_scale = 5,
+ .quot_offset_adjust = 0,
+ },
+ /* fuse corner 2 */
+ {
+ .ref_uV = 1352000,
+ .max_uV = 1384000,
+ .min_uV = 1088000,
+ .max_volt_scale = 2000,
+ .max_quot_scale = 1400,
+ .quot_offset = 0,
+ .quot_scale = 1,
+ .quot_adjust = 0,
+ .quot_offset_scale = 5,
+ .quot_offset_adjust = 0,
+ },
+ },
+ },
+};
+
+static const struct acc_desc qcs404_acc_desc = {
+ .settings = (struct reg_sequence[]){
+ { 0xb120, 0x1041040 },
+ { 0xb124, 0x41 },
+ { 0xb120, 0x0 },
+ { 0xb124, 0x0 },
+ { 0xb120, 0x0 },
+ { 0xb124, 0x0 },
+ },
+ .config = (struct reg_sequence[]){
+ { 0xb138, 0xff },
+ { 0xb130, 0x5555 },
+ },
+ .num_regs_per_fuse = 2,
+};
+
+static const struct cpr_acc_desc qcs404_cpr_acc_desc = {
+ .cpr_desc = &qcs404_cpr_desc,
+ .acc_desc = &qcs404_acc_desc,
+};
+
+static unsigned int cpr_get_performance_state(struct generic_pm_domain *genpd,
+ struct dev_pm_opp *opp)
+{
+ return dev_pm_opp_get_level(opp);
+}
+
+static int cpr_power_off(struct generic_pm_domain *domain)
+{
+ struct cpr_drv *drv = container_of(domain, struct cpr_drv, pd);
+
+ return cpr_disable(drv);
+}
+
+static int cpr_power_on(struct generic_pm_domain *domain)
+{
+ struct cpr_drv *drv = container_of(domain, struct cpr_drv, pd);
+
+ return cpr_enable(drv);
+}
+
+static int cpr_pd_attach_dev(struct generic_pm_domain *domain,
+ struct device *dev)
+{
+ struct cpr_drv *drv = container_of(domain, struct cpr_drv, pd);
+ const struct acc_desc *acc_desc = drv->acc_desc;
+ int ret = 0;
+
+ mutex_lock(&drv->lock);
+
+ dev_dbg(drv->dev, "attach callback for: %s\n", dev_name(dev));
+
+ /*
+ * This driver only supports scaling voltage for a CPU cluster
+ * where all CPUs in the cluster share a single regulator.
+ * Therefore, save the struct device pointer only for the first
+ * CPU device that gets attached. There is no need to do any
+ * additional initialization when further CPUs get attached.
+ */
+ if (drv->attached_cpu_dev)
+ goto unlock;
+
+ /*
+ * cpr_scale_voltage() requires the direction (if we are changing
+ * to a higher or lower OPP). The first time
+ * cpr_set_performance_state() is called, there is no previous
+ * performance state defined. Therefore, we call
+ * cpr_find_initial_corner() that gets the CPU clock frequency
+ * set by the bootloader, so that we can determine the direction
+ * the first time cpr_set_performance_state() is called.
+ */
+ drv->cpu_clk = devm_clk_get(dev, NULL);
+ if (IS_ERR(drv->cpu_clk)) {
+ ret = PTR_ERR(drv->cpu_clk);
+ if (ret != -EPROBE_DEFER)
+ dev_err(drv->dev, "could not get cpu clk: %d\n", ret);
+ goto unlock;
+ }
+ drv->attached_cpu_dev = dev;
+
+ dev_dbg(drv->dev, "using cpu clk from: %s\n",
+ dev_name(drv->attached_cpu_dev));
+
+ /*
+ * Everything related to (virtual) corners has to be initialized
+ * here, when attaching to the power domain, since we need to know
+ * the maximum frequency for each fuse corner, and this is only
+ * available after the cpufreq driver has attached to us.
+ * The reason for this is that we need to know the highest
+ * frequency associated with each fuse corner.
+ */
+ ret = dev_pm_opp_get_opp_count(&drv->pd.dev);
+ if (ret < 0) {
+ dev_err(drv->dev, "could not get OPP count\n");
+ goto unlock;
+ }
+ drv->num_corners = ret;
+
+ if (drv->num_corners < 2) {
+ dev_err(drv->dev, "need at least 2 OPPs to use CPR\n");
+ ret = -EINVAL;
+ goto unlock;
+ }
+
+ drv->corners = devm_kcalloc(drv->dev, drv->num_corners,
+ sizeof(*drv->corners),
+ GFP_KERNEL);
+ if (!drv->corners) {
+ ret = -ENOMEM;
+ goto unlock;
+ }
+
+ ret = cpr_corner_init(drv);
+ if (ret)
+ goto unlock;
+
+ cpr_set_loop_allowed(drv);
+
+ ret = cpr_init_parameters(drv);
+ if (ret)
+ goto unlock;
+
+ /* Configure CPR HW but keep it disabled */
+ ret = cpr_config(drv);
+ if (ret)
+ goto unlock;
+
+ ret = cpr_find_initial_corner(drv);
+ if (ret)
+ goto unlock;
+
+ if (acc_desc->config)
+ regmap_multi_reg_write(drv->tcsr, acc_desc->config,
+ acc_desc->num_regs_per_fuse);
+
+ /* Enable ACC if required */
+ if (acc_desc->enable_mask)
+ regmap_update_bits(drv->tcsr, acc_desc->enable_reg,
+ acc_desc->enable_mask,
+ acc_desc->enable_mask);
+
+ dev_info(drv->dev, "driver initialized with %u OPPs\n",
+ drv->num_corners);
+
+unlock:
+ mutex_unlock(&drv->lock);
+
+ return ret;
+}
+
+static int cpr_debug_info_show(struct seq_file *s, void *unused)
+{
+ u32 gcnt, ro_sel, ctl, irq_status, reg, error_steps;
+ u32 step_dn, step_up, error, error_lt0, busy;
+ struct cpr_drv *drv = s->private;
+ struct fuse_corner *fuse_corner;
+ struct corner *corner;
+
+ corner = drv->corner;
+ fuse_corner = corner->fuse_corner;
+
+ seq_printf(s, "corner, current_volt = %d uV\n",
+ corner->last_uV);
+
+ ro_sel = fuse_corner->ring_osc_idx;
+ gcnt = cpr_read(drv, REG_RBCPR_GCNT_TARGET(ro_sel));
+ seq_printf(s, "rbcpr_gcnt_target (%u) = %#02X\n", ro_sel, gcnt);
+
+ ctl = cpr_read(drv, REG_RBCPR_CTL);
+ seq_printf(s, "rbcpr_ctl = %#02X\n", ctl);
+
+ irq_status = cpr_read(drv, REG_RBIF_IRQ_STATUS);
+ seq_printf(s, "rbcpr_irq_status = %#02X\n", irq_status);
+
+ reg = cpr_read(drv, REG_RBCPR_RESULT_0);
+ seq_printf(s, "rbcpr_result_0 = %#02X\n", reg);
+
+ step_dn = reg & 0x01;
+ step_up = (reg >> RBCPR_RESULT0_STEP_UP_SHIFT) & 0x01;
+ seq_printf(s, " [step_dn = %u", step_dn);
+
+ seq_printf(s, ", step_up = %u", step_up);
+
+ error_steps = (reg >> RBCPR_RESULT0_ERROR_STEPS_SHIFT)
+ & RBCPR_RESULT0_ERROR_STEPS_MASK;
+ seq_printf(s, ", error_steps = %u", error_steps);
+
+ error = (reg >> RBCPR_RESULT0_ERROR_SHIFT) & RBCPR_RESULT0_ERROR_MASK;
+ seq_printf(s, ", error = %u", error);
+
+ error_lt0 = (reg >> RBCPR_RESULT0_ERROR_LT0_SHIFT) & 0x01;
+ seq_printf(s, ", error_lt_0 = %u", error_lt0);
+
+ busy = (reg >> RBCPR_RESULT0_BUSY_SHIFT) & 0x01;
+ seq_printf(s, ", busy = %u]\n", busy);
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(cpr_debug_info);
+
+static void cpr_debugfs_init(struct cpr_drv *drv)
+{
+ drv->debugfs = debugfs_create_dir("qcom_cpr", NULL);
+
+ debugfs_create_file("debug_info", 0444, drv->debugfs,
+ drv, &cpr_debug_info_fops);
+}
+
+static int cpr_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct cpr_drv *drv;
+ int irq, ret;
+ const struct cpr_acc_desc *data;
+ struct device_node *np;
+ u32 cpr_rev = FUSE_REVISION_UNKNOWN;
+
+ data = of_device_get_match_data(dev);
+ if (!data || !data->cpr_desc || !data->acc_desc)
+ return -EINVAL;
+
+ drv = devm_kzalloc(dev, sizeof(*drv), GFP_KERNEL);
+ if (!drv)
+ return -ENOMEM;
+ drv->dev = dev;
+ drv->desc = data->cpr_desc;
+ drv->acc_desc = data->acc_desc;
+
+ drv->fuse_corners = devm_kcalloc(dev, drv->desc->num_fuse_corners,
+ sizeof(*drv->fuse_corners),
+ GFP_KERNEL);
+ if (!drv->fuse_corners)
+ return -ENOMEM;
+
+ np = of_parse_phandle(dev->of_node, "acc-syscon", 0);
+ if (!np)
+ return -ENODEV;
+
+ drv->tcsr = syscon_node_to_regmap(np);
+ of_node_put(np);
+ if (IS_ERR(drv->tcsr))
+ return PTR_ERR(drv->tcsr);
+
+ drv->base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(drv->base))
+ return PTR_ERR(drv->base);
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return -EINVAL;
+
+ drv->vdd_apc = devm_regulator_get(dev, "vdd-apc");
+ if (IS_ERR(drv->vdd_apc))
+ return PTR_ERR(drv->vdd_apc);
+
+ /*
+ * Initialize fuse corners, since it simply depends
+ * on data in efuses.
+ * Everything related to (virtual) corners has to be
+ * initialized after attaching to the power domain,
+ * since it depends on the CPU's OPP table.
+ */
+ ret = nvmem_cell_read_variable_le_u32(dev, "cpr_fuse_revision", &cpr_rev);
+ if (ret)
+ return ret;
+
+ drv->cpr_fuses = cpr_get_fuses(drv);
+ if (IS_ERR(drv->cpr_fuses))
+ return PTR_ERR(drv->cpr_fuses);
+
+ ret = cpr_populate_ring_osc_idx(drv);
+ if (ret)
+ return ret;
+
+ ret = cpr_fuse_corner_init(drv);
+ if (ret)
+ return ret;
+
+ mutex_init(&drv->lock);
+
+ ret = devm_request_threaded_irq(dev, irq, NULL,
+ cpr_irq_handler,
+ IRQF_ONESHOT | IRQF_TRIGGER_RISING,
+ "cpr", drv);
+ if (ret)
+ return ret;
+
+ drv->pd.name = devm_kstrdup_const(dev, dev->of_node->full_name,
+ GFP_KERNEL);
+ if (!drv->pd.name)
+ return -EINVAL;
+
+ drv->pd.power_off = cpr_power_off;
+ drv->pd.power_on = cpr_power_on;
+ drv->pd.set_performance_state = cpr_set_performance_state;
+ drv->pd.opp_to_performance_state = cpr_get_performance_state;
+ drv->pd.attach_dev = cpr_pd_attach_dev;
+
+ ret = pm_genpd_init(&drv->pd, NULL, true);
+ if (ret)
+ return ret;
+
+ ret = of_genpd_add_provider_simple(dev->of_node, &drv->pd);
+ if (ret)
+ goto err_remove_genpd;
+
+ platform_set_drvdata(pdev, drv);
+ cpr_debugfs_init(drv);
+
+ return 0;
+
+err_remove_genpd:
+ pm_genpd_remove(&drv->pd);
+ return ret;
+}
+
+static int cpr_remove(struct platform_device *pdev)
+{
+ struct cpr_drv *drv = platform_get_drvdata(pdev);
+
+ if (cpr_is_allowed(drv)) {
+ cpr_ctl_disable(drv);
+ cpr_irq_set(drv, 0);
+ }
+
+ of_genpd_del_provider(pdev->dev.of_node);
+ pm_genpd_remove(&drv->pd);
+
+ debugfs_remove_recursive(drv->debugfs);
+
+ return 0;
+}
+
+static const struct of_device_id cpr_match_table[] = {
+ { .compatible = "qcom,qcs404-cpr", .data = &qcs404_cpr_acc_desc },
+ { }
+};
+MODULE_DEVICE_TABLE(of, cpr_match_table);
+
+static struct platform_driver cpr_driver = {
+ .probe = cpr_probe,
+ .remove = cpr_remove,
+ .driver = {
+ .name = "qcom-cpr",
+ .of_match_table = cpr_match_table,
+ },
+};
+module_platform_driver(cpr_driver);
+
+MODULE_DESCRIPTION("Core Power Reduction (CPR) driver");
+MODULE_LICENSE("GPL v2");
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2018, The Linux Foundation. All rights reserved.*/
+
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/pm_opp.h>
+#include <soc/qcom/cmd-db.h>
+#include <soc/qcom/rpmh.h>
+#include <dt-bindings/power/qcom-rpmpd.h>
+#include <dt-bindings/power/qcom,rpmhpd.h>
+
+#define domain_to_rpmhpd(domain) container_of(domain, struct rpmhpd, pd)
+
+#define RPMH_ARC_MAX_LEVELS 16
+
+/**
+ * struct rpmhpd - top level RPMh power domain resource data structure
+ * @dev: rpmh power domain controller device
+ * @pd: generic_pm_domain corresponding to the power domain
+ * @parent: generic_pm_domain corresponding to the parent's power domain
+ * @peer: A peer power domain in case Active only Voting is
+ * supported
+ * @active_only: True if it represents an Active only peer
+ * @corner: current corner
+ * @active_corner: current active corner
+ * @enable_corner: lowest non-zero corner
+ * @level: An array of level (vlvl) to corner (hlvl) mappings
+ * derived from cmd-db
+ * @level_count: Number of levels supported by the power domain. max
+ * being 16 (0 - 15)
+ * @enabled: true if the power domain is enabled
+ * @res_name: Resource name used for cmd-db lookup
+ * @addr: Resource address as looped up using resource name from
+ * cmd-db
+ * @state_synced: Indicator that sync_state has been invoked for the rpmhpd resource
+ */
+struct rpmhpd {
+ struct device *dev;
+ struct generic_pm_domain pd;
+ struct generic_pm_domain *parent;
+ struct rpmhpd *peer;
+ const bool active_only;
+ unsigned int corner;
+ unsigned int active_corner;
+ unsigned int enable_corner;
+ u32 level[RPMH_ARC_MAX_LEVELS];
+ size_t level_count;
+ bool enabled;
+ const char *res_name;
+ u32 addr;
+ bool state_synced;
+};
+
+struct rpmhpd_desc {
+ struct rpmhpd **rpmhpds;
+ size_t num_pds;
+};
+
+static DEFINE_MUTEX(rpmhpd_lock);
+
+/* RPMH powerdomains */
+
+static struct rpmhpd cx_ao;
+static struct rpmhpd mx;
+static struct rpmhpd mx_ao;
+static struct rpmhpd cx = {
+ .pd = { .name = "cx", },
+ .peer = &cx_ao,
+ .res_name = "cx.lvl",
+};
+
+static struct rpmhpd cx_ao = {
+ .pd = { .name = "cx_ao", },
+ .active_only = true,
+ .peer = &cx,
+ .res_name = "cx.lvl",
+};
+
+static struct rpmhpd cx_ao_w_mx_parent;
+static struct rpmhpd cx_w_mx_parent = {
+ .pd = { .name = "cx", },
+ .peer = &cx_ao_w_mx_parent,
+ .parent = &mx.pd,
+ .res_name = "cx.lvl",
+};
+
+static struct rpmhpd cx_ao_w_mx_parent = {
+ .pd = { .name = "cx_ao", },
+ .active_only = true,
+ .peer = &cx_w_mx_parent,
+ .parent = &mx_ao.pd,
+ .res_name = "cx.lvl",
+};
+
+static struct rpmhpd ebi = {
+ .pd = { .name = "ebi", },
+ .res_name = "ebi.lvl",
+};
+
+static struct rpmhpd gfx = {
+ .pd = { .name = "gfx", },
+ .res_name = "gfx.lvl",
+};
+
+static struct rpmhpd lcx = {
+ .pd = { .name = "lcx", },
+ .res_name = "lcx.lvl",
+};
+
+static struct rpmhpd lmx = {
+ .pd = { .name = "lmx", },
+ .res_name = "lmx.lvl",
+};
+
+static struct rpmhpd mmcx_ao;
+static struct rpmhpd mmcx = {
+ .pd = { .name = "mmcx", },
+ .peer = &mmcx_ao,
+ .res_name = "mmcx.lvl",
+};
+
+static struct rpmhpd mmcx_ao = {
+ .pd = { .name = "mmcx_ao", },
+ .active_only = true,
+ .peer = &mmcx,
+ .res_name = "mmcx.lvl",
+};
+
+static struct rpmhpd mmcx_ao_w_cx_parent;
+static struct rpmhpd mmcx_w_cx_parent = {
+ .pd = { .name = "mmcx", },
+ .peer = &mmcx_ao_w_cx_parent,
+ .parent = &cx.pd,
+ .res_name = "mmcx.lvl",
+};
+
+static struct rpmhpd mmcx_ao_w_cx_parent = {
+ .pd = { .name = "mmcx_ao", },
+ .active_only = true,
+ .peer = &mmcx_w_cx_parent,
+ .parent = &cx_ao.pd,
+ .res_name = "mmcx.lvl",
+};
+
+static struct rpmhpd mss = {
+ .pd = { .name = "mss", },
+ .res_name = "mss.lvl",
+};
+
+static struct rpmhpd mx_ao;
+static struct rpmhpd mx = {
+ .pd = { .name = "mx", },
+ .peer = &mx_ao,
+ .res_name = "mx.lvl",
+};
+
+static struct rpmhpd mx_ao = {
+ .pd = { .name = "mx_ao", },
+ .active_only = true,
+ .peer = &mx,
+ .res_name = "mx.lvl",
+};
+
+static struct rpmhpd mxc_ao;
+static struct rpmhpd mxc = {
+ .pd = { .name = "mxc", },
+ .peer = &mxc_ao,
+ .res_name = "mxc.lvl",
+};
+
+static struct rpmhpd mxc_ao = {
+ .pd = { .name = "mxc_ao", },
+ .active_only = true,
+ .peer = &mxc,
+ .res_name = "mxc.lvl",
+};
+
+static struct rpmhpd nsp = {
+ .pd = { .name = "nsp", },
+ .res_name = "nsp.lvl",
+};
+
+static struct rpmhpd nsp0 = {
+ .pd = { .name = "nsp0", },
+ .res_name = "nsp0.lvl",
+};
+
+static struct rpmhpd nsp1 = {
+ .pd = { .name = "nsp1", },
+ .res_name = "nsp1.lvl",
+};
+
+static struct rpmhpd qphy = {
+ .pd = { .name = "qphy", },
+ .res_name = "qphy.lvl",
+};
+
+/* SA8540P RPMH powerdomains */
+static struct rpmhpd *sa8540p_rpmhpds[] = {
+ [SC8280XP_CX] = &cx,
+ [SC8280XP_CX_AO] = &cx_ao,
+ [SC8280XP_EBI] = &ebi,
+ [SC8280XP_GFX] = &gfx,
+ [SC8280XP_LCX] = &lcx,
+ [SC8280XP_LMX] = &lmx,
+ [SC8280XP_MMCX] = &mmcx,
+ [SC8280XP_MMCX_AO] = &mmcx_ao,
+ [SC8280XP_MX] = &mx,
+ [SC8280XP_MX_AO] = &mx_ao,
+ [SC8280XP_NSP] = &nsp,
+};
+
+static const struct rpmhpd_desc sa8540p_desc = {
+ .rpmhpds = sa8540p_rpmhpds,
+ .num_pds = ARRAY_SIZE(sa8540p_rpmhpds),
+};
+
+/* SA8775P RPMH power domains */
+static struct rpmhpd *sa8775p_rpmhpds[] = {
+ [SA8775P_CX] = &cx,
+ [SA8775P_CX_AO] = &cx_ao,
+ [SA8775P_EBI] = &ebi,
+ [SA8775P_GFX] = &gfx,
+ [SA8775P_LCX] = &lcx,
+ [SA8775P_LMX] = &lmx,
+ [SA8775P_MMCX] = &mmcx,
+ [SA8775P_MMCX_AO] = &mmcx_ao,
+ [SA8775P_MXC] = &mxc,
+ [SA8775P_MXC_AO] = &mxc_ao,
+ [SA8775P_MX] = &mx,
+ [SA8775P_MX_AO] = &mx_ao,
+ [SA8775P_NSP0] = &nsp0,
+ [SA8775P_NSP1] = &nsp1,
+};
+
+static const struct rpmhpd_desc sa8775p_desc = {
+ .rpmhpds = sa8775p_rpmhpds,
+ .num_pds = ARRAY_SIZE(sa8775p_rpmhpds),
+};
+
+/* SDM670 RPMH powerdomains */
+static struct rpmhpd *sdm670_rpmhpds[] = {
+ [SDM670_CX] = &cx_w_mx_parent,
+ [SDM670_CX_AO] = &cx_ao_w_mx_parent,
+ [SDM670_GFX] = &gfx,
+ [SDM670_LCX] = &lcx,
+ [SDM670_LMX] = &lmx,
+ [SDM670_MSS] = &mss,
+ [SDM670_MX] = &mx,
+ [SDM670_MX_AO] = &mx_ao,
+};
+
+static const struct rpmhpd_desc sdm670_desc = {
+ .rpmhpds = sdm670_rpmhpds,
+ .num_pds = ARRAY_SIZE(sdm670_rpmhpds),
+};
+
+/* SDM845 RPMH powerdomains */
+static struct rpmhpd *sdm845_rpmhpds[] = {
+ [SDM845_CX] = &cx_w_mx_parent,
+ [SDM845_CX_AO] = &cx_ao_w_mx_parent,
+ [SDM845_EBI] = &ebi,
+ [SDM845_GFX] = &gfx,
+ [SDM845_LCX] = &lcx,
+ [SDM845_LMX] = &lmx,
+ [SDM845_MSS] = &mss,
+ [SDM845_MX] = &mx,
+ [SDM845_MX_AO] = &mx_ao,
+};
+
+static const struct rpmhpd_desc sdm845_desc = {
+ .rpmhpds = sdm845_rpmhpds,
+ .num_pds = ARRAY_SIZE(sdm845_rpmhpds),
+};
+
+/* SDX55 RPMH powerdomains */
+static struct rpmhpd *sdx55_rpmhpds[] = {
+ [SDX55_CX] = &cx_w_mx_parent,
+ [SDX55_MSS] = &mss,
+ [SDX55_MX] = &mx,
+};
+
+static const struct rpmhpd_desc sdx55_desc = {
+ .rpmhpds = sdx55_rpmhpds,
+ .num_pds = ARRAY_SIZE(sdx55_rpmhpds),
+};
+
+/* SDX65 RPMH powerdomains */
+static struct rpmhpd *sdx65_rpmhpds[] = {
+ [SDX65_CX] = &cx_w_mx_parent,
+ [SDX65_CX_AO] = &cx_ao_w_mx_parent,
+ [SDX65_MSS] = &mss,
+ [SDX65_MX] = &mx,
+ [SDX65_MX_AO] = &mx_ao,
+ [SDX65_MXC] = &mxc,
+};
+
+static const struct rpmhpd_desc sdx65_desc = {
+ .rpmhpds = sdx65_rpmhpds,
+ .num_pds = ARRAY_SIZE(sdx65_rpmhpds),
+};
+
+/* SDX75 RPMH powerdomains */
+static struct rpmhpd *sdx75_rpmhpds[] = {
+ [RPMHPD_CX] = &cx,
+ [RPMHPD_CX_AO] = &cx_ao,
+ [RPMHPD_MSS] = &mss,
+ [RPMHPD_MX] = &mx,
+ [RPMHPD_MX_AO] = &mx_ao,
+ [RPMHPD_MXC] = &mxc,
+};
+
+static const struct rpmhpd_desc sdx75_desc = {
+ .rpmhpds = sdx75_rpmhpds,
+ .num_pds = ARRAY_SIZE(sdx75_rpmhpds),
+};
+
+/* SM6350 RPMH powerdomains */
+static struct rpmhpd *sm6350_rpmhpds[] = {
+ [SM6350_CX] = &cx_w_mx_parent,
+ [SM6350_GFX] = &gfx,
+ [SM6350_LCX] = &lcx,
+ [SM6350_LMX] = &lmx,
+ [SM6350_MSS] = &mss,
+ [SM6350_MX] = &mx,
+};
+
+static const struct rpmhpd_desc sm6350_desc = {
+ .rpmhpds = sm6350_rpmhpds,
+ .num_pds = ARRAY_SIZE(sm6350_rpmhpds),
+};
+
+/* SM8150 RPMH powerdomains */
+static struct rpmhpd *sm8150_rpmhpds[] = {
+ [SM8150_CX] = &cx_w_mx_parent,
+ [SM8150_CX_AO] = &cx_ao_w_mx_parent,
+ [SM8150_EBI] = &ebi,
+ [SM8150_GFX] = &gfx,
+ [SM8150_LCX] = &lcx,
+ [SM8150_LMX] = &lmx,
+ [SM8150_MMCX] = &mmcx,
+ [SM8150_MMCX_AO] = &mmcx_ao,
+ [SM8150_MSS] = &mss,
+ [SM8150_MX] = &mx,
+ [SM8150_MX_AO] = &mx_ao,
+};
+
+static const struct rpmhpd_desc sm8150_desc = {
+ .rpmhpds = sm8150_rpmhpds,
+ .num_pds = ARRAY_SIZE(sm8150_rpmhpds),
+};
+
+static struct rpmhpd *sa8155p_rpmhpds[] = {
+ [SA8155P_CX] = &cx_w_mx_parent,
+ [SA8155P_CX_AO] = &cx_ao_w_mx_parent,
+ [SA8155P_EBI] = &ebi,
+ [SA8155P_GFX] = &gfx,
+ [SA8155P_MSS] = &mss,
+ [SA8155P_MX] = &mx,
+ [SA8155P_MX_AO] = &mx_ao,
+};
+
+static const struct rpmhpd_desc sa8155p_desc = {
+ .rpmhpds = sa8155p_rpmhpds,
+ .num_pds = ARRAY_SIZE(sa8155p_rpmhpds),
+};
+
+/* SM8250 RPMH powerdomains */
+static struct rpmhpd *sm8250_rpmhpds[] = {
+ [RPMHPD_CX] = &cx_w_mx_parent,
+ [RPMHPD_CX_AO] = &cx_ao_w_mx_parent,
+ [RPMHPD_EBI] = &ebi,
+ [RPMHPD_GFX] = &gfx,
+ [RPMHPD_LCX] = &lcx,
+ [RPMHPD_LMX] = &lmx,
+ [RPMHPD_MMCX] = &mmcx,
+ [RPMHPD_MMCX_AO] = &mmcx_ao,
+ [RPMHPD_MX] = &mx,
+ [RPMHPD_MX_AO] = &mx_ao,
+};
+
+static const struct rpmhpd_desc sm8250_desc = {
+ .rpmhpds = sm8250_rpmhpds,
+ .num_pds = ARRAY_SIZE(sm8250_rpmhpds),
+};
+
+/* SM8350 Power domains */
+static struct rpmhpd *sm8350_rpmhpds[] = {
+ [RPMHPD_CX] = &cx_w_mx_parent,
+ [RPMHPD_CX_AO] = &cx_ao_w_mx_parent,
+ [RPMHPD_EBI] = &ebi,
+ [RPMHPD_GFX] = &gfx,
+ [RPMHPD_LCX] = &lcx,
+ [RPMHPD_LMX] = &lmx,
+ [RPMHPD_MMCX] = &mmcx,
+ [RPMHPD_MMCX_AO] = &mmcx_ao,
+ [RPMHPD_MSS] = &mss,
+ [RPMHPD_MX] = &mx,
+ [RPMHPD_MX_AO] = &mx_ao,
+ [RPMHPD_MXC] = &mxc,
+ [RPMHPD_MXC_AO] = &mxc_ao,
+};
+
+static const struct rpmhpd_desc sm8350_desc = {
+ .rpmhpds = sm8350_rpmhpds,
+ .num_pds = ARRAY_SIZE(sm8350_rpmhpds),
+};
+
+/* SM8450 RPMH powerdomains */
+static struct rpmhpd *sm8450_rpmhpds[] = {
+ [RPMHPD_CX] = &cx,
+ [RPMHPD_CX_AO] = &cx_ao,
+ [RPMHPD_EBI] = &ebi,
+ [RPMHPD_GFX] = &gfx,
+ [RPMHPD_LCX] = &lcx,
+ [RPMHPD_LMX] = &lmx,
+ [RPMHPD_MMCX] = &mmcx_w_cx_parent,
+ [RPMHPD_MMCX_AO] = &mmcx_ao_w_cx_parent,
+ [RPMHPD_MSS] = &mss,
+ [RPMHPD_MX] = &mx,
+ [RPMHPD_MX_AO] = &mx_ao,
+ [RPMHPD_MXC] = &mxc,
+ [RPMHPD_MXC_AO] = &mxc_ao,
+};
+
+static const struct rpmhpd_desc sm8450_desc = {
+ .rpmhpds = sm8450_rpmhpds,
+ .num_pds = ARRAY_SIZE(sm8450_rpmhpds),
+};
+
+/* SM8550 RPMH powerdomains */
+static struct rpmhpd *sm8550_rpmhpds[] = {
+ [RPMHPD_CX] = &cx,
+ [RPMHPD_CX_AO] = &cx_ao,
+ [RPMHPD_EBI] = &ebi,
+ [RPMHPD_GFX] = &gfx,
+ [RPMHPD_LCX] = &lcx,
+ [RPMHPD_LMX] = &lmx,
+ [RPMHPD_MMCX] = &mmcx_w_cx_parent,
+ [RPMHPD_MMCX_AO] = &mmcx_ao_w_cx_parent,
+ [RPMHPD_MSS] = &mss,
+ [RPMHPD_MX] = &mx,
+ [RPMHPD_MX_AO] = &mx_ao,
+ [RPMHPD_MXC] = &mxc,
+ [RPMHPD_MXC_AO] = &mxc_ao,
+ [RPMHPD_NSP] = &nsp,
+};
+
+static const struct rpmhpd_desc sm8550_desc = {
+ .rpmhpds = sm8550_rpmhpds,
+ .num_pds = ARRAY_SIZE(sm8550_rpmhpds),
+};
+
+/* QDU1000/QRU1000 RPMH powerdomains */
+static struct rpmhpd *qdu1000_rpmhpds[] = {
+ [QDU1000_CX] = &cx,
+ [QDU1000_EBI] = &ebi,
+ [QDU1000_MSS] = &mss,
+ [QDU1000_MX] = &mx,
+};
+
+static const struct rpmhpd_desc qdu1000_desc = {
+ .rpmhpds = qdu1000_rpmhpds,
+ .num_pds = ARRAY_SIZE(qdu1000_rpmhpds),
+};
+
+/* SC7180 RPMH powerdomains */
+static struct rpmhpd *sc7180_rpmhpds[] = {
+ [SC7180_CX] = &cx_w_mx_parent,
+ [SC7180_CX_AO] = &cx_ao_w_mx_parent,
+ [SC7180_GFX] = &gfx,
+ [SC7180_LCX] = &lcx,
+ [SC7180_LMX] = &lmx,
+ [SC7180_MSS] = &mss,
+ [SC7180_MX] = &mx,
+ [SC7180_MX_AO] = &mx_ao,
+};
+
+static const struct rpmhpd_desc sc7180_desc = {
+ .rpmhpds = sc7180_rpmhpds,
+ .num_pds = ARRAY_SIZE(sc7180_rpmhpds),
+};
+
+/* SC7280 RPMH powerdomains */
+static struct rpmhpd *sc7280_rpmhpds[] = {
+ [SC7280_CX] = &cx,
+ [SC7280_CX_AO] = &cx_ao,
+ [SC7280_EBI] = &ebi,
+ [SC7280_GFX] = &gfx,
+ [SC7280_LCX] = &lcx,
+ [SC7280_LMX] = &lmx,
+ [SC7280_MSS] = &mss,
+ [SC7280_MX] = &mx,
+ [SC7280_MX_AO] = &mx_ao,
+};
+
+static const struct rpmhpd_desc sc7280_desc = {
+ .rpmhpds = sc7280_rpmhpds,
+ .num_pds = ARRAY_SIZE(sc7280_rpmhpds),
+};
+
+/* SC8180x RPMH powerdomains */
+static struct rpmhpd *sc8180x_rpmhpds[] = {
+ [SC8180X_CX] = &cx_w_mx_parent,
+ [SC8180X_CX_AO] = &cx_ao_w_mx_parent,
+ [SC8180X_EBI] = &ebi,
+ [SC8180X_GFX] = &gfx,
+ [SC8180X_LCX] = &lcx,
+ [SC8180X_LMX] = &lmx,
+ [SC8180X_MMCX] = &mmcx,
+ [SC8180X_MMCX_AO] = &mmcx_ao,
+ [SC8180X_MSS] = &mss,
+ [SC8180X_MX] = &mx,
+ [SC8180X_MX_AO] = &mx_ao,
+};
+
+static const struct rpmhpd_desc sc8180x_desc = {
+ .rpmhpds = sc8180x_rpmhpds,
+ .num_pds = ARRAY_SIZE(sc8180x_rpmhpds),
+};
+
+/* SC8280xp RPMH powerdomains */
+static struct rpmhpd *sc8280xp_rpmhpds[] = {
+ [SC8280XP_CX] = &cx,
+ [SC8280XP_CX_AO] = &cx_ao,
+ [SC8280XP_EBI] = &ebi,
+ [SC8280XP_GFX] = &gfx,
+ [SC8280XP_LCX] = &lcx,
+ [SC8280XP_LMX] = &lmx,
+ [SC8280XP_MMCX] = &mmcx,
+ [SC8280XP_MMCX_AO] = &mmcx_ao,
+ [SC8280XP_MX] = &mx,
+ [SC8280XP_MX_AO] = &mx_ao,
+ [SC8280XP_NSP] = &nsp,
+ [SC8280XP_QPHY] = &qphy,
+};
+
+static const struct rpmhpd_desc sc8280xp_desc = {
+ .rpmhpds = sc8280xp_rpmhpds,
+ .num_pds = ARRAY_SIZE(sc8280xp_rpmhpds),
+};
+
+static const struct of_device_id rpmhpd_match_table[] = {
+ { .compatible = "qcom,qdu1000-rpmhpd", .data = &qdu1000_desc },
+ { .compatible = "qcom,sa8155p-rpmhpd", .data = &sa8155p_desc },
+ { .compatible = "qcom,sa8540p-rpmhpd", .data = &sa8540p_desc },
+ { .compatible = "qcom,sa8775p-rpmhpd", .data = &sa8775p_desc },
+ { .compatible = "qcom,sc7180-rpmhpd", .data = &sc7180_desc },
+ { .compatible = "qcom,sc7280-rpmhpd", .data = &sc7280_desc },
+ { .compatible = "qcom,sc8180x-rpmhpd", .data = &sc8180x_desc },
+ { .compatible = "qcom,sc8280xp-rpmhpd", .data = &sc8280xp_desc },
+ { .compatible = "qcom,sdm670-rpmhpd", .data = &sdm670_desc },
+ { .compatible = "qcom,sdm845-rpmhpd", .data = &sdm845_desc },
+ { .compatible = "qcom,sdx55-rpmhpd", .data = &sdx55_desc},
+ { .compatible = "qcom,sdx65-rpmhpd", .data = &sdx65_desc},
+ { .compatible = "qcom,sdx75-rpmhpd", .data = &sdx75_desc},
+ { .compatible = "qcom,sm6350-rpmhpd", .data = &sm6350_desc },
+ { .compatible = "qcom,sm8150-rpmhpd", .data = &sm8150_desc },
+ { .compatible = "qcom,sm8250-rpmhpd", .data = &sm8250_desc },
+ { .compatible = "qcom,sm8350-rpmhpd", .data = &sm8350_desc },
+ { .compatible = "qcom,sm8450-rpmhpd", .data = &sm8450_desc },
+ { .compatible = "qcom,sm8550-rpmhpd", .data = &sm8550_desc },
+ { }
+};
+MODULE_DEVICE_TABLE(of, rpmhpd_match_table);
+
+static int rpmhpd_send_corner(struct rpmhpd *pd, int state,
+ unsigned int corner, bool sync)
+{
+ struct tcs_cmd cmd = {
+ .addr = pd->addr,
+ .data = corner,
+ };
+
+ /*
+ * Wait for an ack only when we are increasing the
+ * perf state of the power domain
+ */
+ if (sync)
+ return rpmh_write(pd->dev, state, &cmd, 1);
+ else
+ return rpmh_write_async(pd->dev, state, &cmd, 1);
+}
+
+static void to_active_sleep(struct rpmhpd *pd, unsigned int corner,
+ unsigned int *active, unsigned int *sleep)
+{
+ *active = corner;
+
+ if (pd->active_only)
+ *sleep = 0;
+ else
+ *sleep = *active;
+}
+
+/*
+ * This function is used to aggregate the votes across the active only
+ * resources and its peers. The aggregated votes are sent to RPMh as
+ * ACTIVE_ONLY votes (which take effect immediately), as WAKE_ONLY votes
+ * (applied by RPMh on system wakeup) and as SLEEP votes (applied by RPMh
+ * on system sleep).
+ * We send ACTIVE_ONLY votes for resources without any peers. For others,
+ * which have an active only peer, all 3 votes are sent.
+ */
+static int rpmhpd_aggregate_corner(struct rpmhpd *pd, unsigned int corner)
+{
+ int ret;
+ struct rpmhpd *peer = pd->peer;
+ unsigned int active_corner, sleep_corner;
+ unsigned int this_active_corner = 0, this_sleep_corner = 0;
+ unsigned int peer_active_corner = 0, peer_sleep_corner = 0;
+
+ if (pd->state_synced) {
+ to_active_sleep(pd, corner, &this_active_corner, &this_sleep_corner);
+ } else {
+ /* Clamp to highest corner if sync_state hasn't happened */
+ this_active_corner = pd->level_count - 1;
+ this_sleep_corner = pd->level_count - 1;
+ }
+
+ if (peer && peer->enabled)
+ to_active_sleep(peer, peer->corner, &peer_active_corner,
+ &peer_sleep_corner);
+
+ active_corner = max(this_active_corner, peer_active_corner);
+
+ ret = rpmhpd_send_corner(pd, RPMH_ACTIVE_ONLY_STATE, active_corner,
+ active_corner > pd->active_corner);
+ if (ret)
+ return ret;
+
+ pd->active_corner = active_corner;
+
+ if (peer) {
+ peer->active_corner = active_corner;
+
+ ret = rpmhpd_send_corner(pd, RPMH_WAKE_ONLY_STATE,
+ active_corner, false);
+ if (ret)
+ return ret;
+
+ sleep_corner = max(this_sleep_corner, peer_sleep_corner);
+
+ return rpmhpd_send_corner(pd, RPMH_SLEEP_STATE, sleep_corner,
+ false);
+ }
+
+ return ret;
+}
+
+static int rpmhpd_power_on(struct generic_pm_domain *domain)
+{
+ struct rpmhpd *pd = domain_to_rpmhpd(domain);
+ unsigned int corner;
+ int ret;
+
+ mutex_lock(&rpmhpd_lock);
+
+ corner = max(pd->corner, pd->enable_corner);
+ ret = rpmhpd_aggregate_corner(pd, corner);
+ if (!ret)
+ pd->enabled = true;
+
+ mutex_unlock(&rpmhpd_lock);
+
+ return ret;
+}
+
+static int rpmhpd_power_off(struct generic_pm_domain *domain)
+{
+ struct rpmhpd *pd = domain_to_rpmhpd(domain);
+ int ret;
+
+ mutex_lock(&rpmhpd_lock);
+
+ ret = rpmhpd_aggregate_corner(pd, 0);
+ if (!ret)
+ pd->enabled = false;
+
+ mutex_unlock(&rpmhpd_lock);
+
+ return ret;
+}
+
+static int rpmhpd_set_performance_state(struct generic_pm_domain *domain,
+ unsigned int level)
+{
+ struct rpmhpd *pd = domain_to_rpmhpd(domain);
+ int ret = 0, i;
+
+ mutex_lock(&rpmhpd_lock);
+
+ for (i = 0; i < pd->level_count; i++)
+ if (level <= pd->level[i])
+ break;
+
+ /*
+ * If the level requested is more than that supported by the
+ * max corner, just set it to max anyway.
+ */
+ if (i == pd->level_count)
+ i--;
+
+ if (pd->enabled) {
+ /* Ensure that the domain isn't turn off */
+ if (i < pd->enable_corner)
+ i = pd->enable_corner;
+
+ ret = rpmhpd_aggregate_corner(pd, i);
+ if (ret)
+ goto out;
+ }
+
+ pd->corner = i;
+out:
+ mutex_unlock(&rpmhpd_lock);
+
+ return ret;
+}
+
+static unsigned int rpmhpd_get_performance_state(struct generic_pm_domain *genpd,
+ struct dev_pm_opp *opp)
+{
+ return dev_pm_opp_get_level(opp);
+}
+
+static int rpmhpd_update_level_mapping(struct rpmhpd *rpmhpd)
+{
+ int i;
+ const u16 *buf;
+
+ buf = cmd_db_read_aux_data(rpmhpd->res_name, &rpmhpd->level_count);
+ if (IS_ERR(buf))
+ return PTR_ERR(buf);
+
+ /* 2 bytes used for each command DB aux data entry */
+ rpmhpd->level_count >>= 1;
+
+ if (rpmhpd->level_count > RPMH_ARC_MAX_LEVELS)
+ return -EINVAL;
+
+ for (i = 0; i < rpmhpd->level_count; i++) {
+ rpmhpd->level[i] = buf[i];
+
+ /* Remember the first corner with non-zero level */
+ if (!rpmhpd->level[rpmhpd->enable_corner] && rpmhpd->level[i])
+ rpmhpd->enable_corner = i;
+
+ /*
+ * The AUX data may be zero padded. These 0 valued entries at
+ * the end of the map must be ignored.
+ */
+ if (i > 0 && rpmhpd->level[i] == 0) {
+ rpmhpd->level_count = i;
+ break;
+ }
+ pr_debug("%s: ARC hlvl=%2d --> vlvl=%4u\n", rpmhpd->res_name, i,
+ rpmhpd->level[i]);
+ }
+
+ return 0;
+}
+
+static int rpmhpd_probe(struct platform_device *pdev)
+{
+ int i, ret;
+ size_t num_pds;
+ struct device *dev = &pdev->dev;
+ struct genpd_onecell_data *data;
+ struct rpmhpd **rpmhpds;
+ const struct rpmhpd_desc *desc;
+
+ desc = of_device_get_match_data(dev);
+ if (!desc)
+ return -EINVAL;
+
+ rpmhpds = desc->rpmhpds;
+ num_pds = desc->num_pds;
+
+ data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ data->domains = devm_kcalloc(dev, num_pds, sizeof(*data->domains),
+ GFP_KERNEL);
+ if (!data->domains)
+ return -ENOMEM;
+
+ data->num_domains = num_pds;
+
+ for (i = 0; i < num_pds; i++) {
+ if (!rpmhpds[i])
+ continue;
+
+ rpmhpds[i]->dev = dev;
+ rpmhpds[i]->addr = cmd_db_read_addr(rpmhpds[i]->res_name);
+ if (!rpmhpds[i]->addr) {
+ dev_err(dev, "Could not find RPMh address for resource %s\n",
+ rpmhpds[i]->res_name);
+ return -ENODEV;
+ }
+
+ ret = cmd_db_read_slave_id(rpmhpds[i]->res_name);
+ if (ret != CMD_DB_HW_ARC) {
+ dev_err(dev, "RPMh slave ID mismatch\n");
+ return -EINVAL;
+ }
+
+ ret = rpmhpd_update_level_mapping(rpmhpds[i]);
+ if (ret)
+ return ret;
+
+ rpmhpds[i]->pd.power_off = rpmhpd_power_off;
+ rpmhpds[i]->pd.power_on = rpmhpd_power_on;
+ rpmhpds[i]->pd.set_performance_state = rpmhpd_set_performance_state;
+ rpmhpds[i]->pd.opp_to_performance_state = rpmhpd_get_performance_state;
+ pm_genpd_init(&rpmhpds[i]->pd, NULL, true);
+
+ data->domains[i] = &rpmhpds[i]->pd;
+ }
+
+ /* Add subdomains */
+ for (i = 0; i < num_pds; i++) {
+ if (!rpmhpds[i])
+ continue;
+ if (rpmhpds[i]->parent)
+ pm_genpd_add_subdomain(rpmhpds[i]->parent,
+ &rpmhpds[i]->pd);
+ }
+
+ return of_genpd_add_provider_onecell(pdev->dev.of_node, data);
+}
+
+static void rpmhpd_sync_state(struct device *dev)
+{
+ const struct rpmhpd_desc *desc = of_device_get_match_data(dev);
+ struct rpmhpd **rpmhpds = desc->rpmhpds;
+ unsigned int corner;
+ struct rpmhpd *pd;
+ unsigned int i;
+ int ret;
+
+ mutex_lock(&rpmhpd_lock);
+ for (i = 0; i < desc->num_pds; i++) {
+ pd = rpmhpds[i];
+ if (!pd)
+ continue;
+
+ pd->state_synced = true;
+ if (pd->enabled)
+ corner = max(pd->corner, pd->enable_corner);
+ else
+ corner = 0;
+
+ ret = rpmhpd_aggregate_corner(pd, corner);
+ if (ret)
+ dev_err(dev, "failed to sync %s\n", pd->res_name);
+ }
+ mutex_unlock(&rpmhpd_lock);
+}
+
+static struct platform_driver rpmhpd_driver = {
+ .driver = {
+ .name = "qcom-rpmhpd",
+ .of_match_table = rpmhpd_match_table,
+ .suppress_bind_attrs = true,
+ .sync_state = rpmhpd_sync_state,
+ },
+ .probe = rpmhpd_probe,
+};
+
+static int __init rpmhpd_init(void)
+{
+ return platform_driver_register(&rpmhpd_driver);
+}
+core_initcall(rpmhpd_init);
+
+MODULE_DESCRIPTION("Qualcomm Technologies, Inc. RPMh Power Domain Driver");
+MODULE_LICENSE("GPL v2");
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved. */
+
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/pm_domain.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/pm_opp.h>
+#include <linux/soc/qcom/smd-rpm.h>
+
+#include <dt-bindings/power/qcom-rpmpd.h>
+
+#define domain_to_rpmpd(domain) container_of(domain, struct rpmpd, pd)
+
+/* Resource types:
+ * RPMPD_X is X encoded as a little-endian, lower-case, ASCII string */
+#define RPMPD_SMPA 0x61706d73
+#define RPMPD_LDOA 0x616f646c
+#define RPMPD_SMPB 0x62706d73
+#define RPMPD_LDOB 0x626f646c
+#define RPMPD_RWCX 0x78637772
+#define RPMPD_RWMX 0x786d7772
+#define RPMPD_RWLC 0x636c7772
+#define RPMPD_RWLM 0x6d6c7772
+#define RPMPD_RWSC 0x63737772
+#define RPMPD_RWSM 0x6d737772
+#define RPMPD_RWGX 0x78677772
+
+/* Operation Keys */
+#define KEY_CORNER 0x6e726f63 /* corn */
+#define KEY_ENABLE 0x6e657773 /* swen */
+#define KEY_FLOOR_CORNER 0x636676 /* vfc */
+#define KEY_FLOOR_LEVEL 0x6c6676 /* vfl */
+#define KEY_LEVEL 0x6c766c76 /* vlvl */
+
+#define MAX_CORNER_RPMPD_STATE 6
+
+struct rpmpd_req {
+ __le32 key;
+ __le32 nbytes;
+ __le32 value;
+};
+
+struct rpmpd {
+ struct generic_pm_domain pd;
+ struct generic_pm_domain *parent;
+ struct rpmpd *peer;
+ const bool active_only;
+ unsigned int corner;
+ bool enabled;
+ const int res_type;
+ const int res_id;
+ struct qcom_smd_rpm *rpm;
+ unsigned int max_state;
+ __le32 key;
+ bool state_synced;
+};
+
+struct rpmpd_desc {
+ struct rpmpd **rpmpds;
+ size_t num_pds;
+ unsigned int max_state;
+};
+
+static DEFINE_MUTEX(rpmpd_lock);
+
+/* CX */
+static struct rpmpd cx_rwcx0_lvl_ao;
+static struct rpmpd cx_rwcx0_lvl = {
+ .pd = { .name = "cx", },
+ .peer = &cx_rwcx0_lvl_ao,
+ .res_type = RPMPD_RWCX,
+ .res_id = 0,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd cx_rwcx0_lvl_ao = {
+ .pd = { .name = "cx_ao", },
+ .peer = &cx_rwcx0_lvl,
+ .active_only = true,
+ .res_type = RPMPD_RWCX,
+ .res_id = 0,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd cx_s1a_corner_ao;
+static struct rpmpd cx_s1a_corner = {
+ .pd = { .name = "cx", },
+ .peer = &cx_s1a_corner_ao,
+ .res_type = RPMPD_SMPA,
+ .res_id = 1,
+ .key = KEY_CORNER,
+};
+
+static struct rpmpd cx_s1a_corner_ao = {
+ .pd = { .name = "cx_ao", },
+ .peer = &cx_s1a_corner,
+ .active_only = true,
+ .res_type = RPMPD_SMPA,
+ .res_id = 1,
+ .key = KEY_CORNER,
+};
+
+static struct rpmpd cx_s2a_corner_ao;
+static struct rpmpd cx_s2a_corner = {
+ .pd = { .name = "cx", },
+ .peer = &cx_s2a_corner_ao,
+ .res_type = RPMPD_SMPA,
+ .res_id = 2,
+ .key = KEY_CORNER,
+};
+
+static struct rpmpd cx_s2a_corner_ao = {
+ .pd = { .name = "cx_ao", },
+ .peer = &cx_s2a_corner,
+ .active_only = true,
+ .res_type = RPMPD_SMPA,
+ .res_id = 2,
+ .key = KEY_CORNER,
+};
+
+static struct rpmpd cx_s2a_lvl_ao;
+static struct rpmpd cx_s2a_lvl = {
+ .pd = { .name = "cx", },
+ .peer = &cx_s2a_lvl_ao,
+ .res_type = RPMPD_SMPA,
+ .res_id = 2,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd cx_s2a_lvl_ao = {
+ .pd = { .name = "cx_ao", },
+ .peer = &cx_s2a_lvl,
+ .active_only = true,
+ .res_type = RPMPD_SMPA,
+ .res_id = 2,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd cx_s3a_lvl_ao;
+static struct rpmpd cx_s3a_lvl = {
+ .pd = { .name = "cx", },
+ .peer = &cx_s3a_lvl_ao,
+ .res_type = RPMPD_SMPA,
+ .res_id = 3,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd cx_s3a_lvl_ao = {
+ .pd = { .name = "cx_ao", },
+ .peer = &cx_s3a_lvl,
+ .active_only = true,
+ .res_type = RPMPD_SMPA,
+ .res_id = 3,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd cx_rwcx0_vfl = {
+ .pd = { .name = "cx_vfl", },
+ .res_type = RPMPD_RWCX,
+ .res_id = 0,
+ .key = KEY_FLOOR_LEVEL,
+};
+
+static struct rpmpd cx_rwsc2_vfl = {
+ .pd = { .name = "cx_vfl", },
+ .res_type = RPMPD_RWSC,
+ .res_id = 2,
+ .key = KEY_FLOOR_LEVEL,
+};
+
+static struct rpmpd cx_s1a_vfc = {
+ .pd = { .name = "cx_vfc", },
+ .res_type = RPMPD_SMPA,
+ .res_id = 1,
+ .key = KEY_FLOOR_CORNER,
+};
+
+static struct rpmpd cx_s2a_vfc = {
+ .pd = { .name = "cx_vfc", },
+ .res_type = RPMPD_SMPA,
+ .res_id = 2,
+ .key = KEY_FLOOR_CORNER,
+};
+
+static struct rpmpd cx_s2a_vfl = {
+ .pd = { .name = "cx_vfl", },
+ .res_type = RPMPD_SMPA,
+ .res_id = 2,
+ .key = KEY_FLOOR_LEVEL,
+};
+
+static struct rpmpd cx_s3a_vfl = {
+ .pd = { .name = "cx_vfl", },
+ .res_type = RPMPD_SMPA,
+ .res_id = 3,
+ .key = KEY_FLOOR_LEVEL,
+};
+
+/* G(F)X */
+static struct rpmpd gfx_s2b_corner = {
+ .pd = { .name = "gfx", },
+ .res_type = RPMPD_SMPB,
+ .res_id = 2,
+ .key = KEY_CORNER,
+};
+
+static struct rpmpd gfx_s2b_vfc = {
+ .pd = { .name = "gfx_vfc", },
+ .res_type = RPMPD_SMPB,
+ .res_id = 2,
+ .key = KEY_FLOOR_CORNER,
+};
+
+static struct rpmpd mx_rwmx0_lvl;
+static struct rpmpd gx_rwgx0_lvl_ao;
+static struct rpmpd gx_rwgx0_lvl = {
+ .pd = { .name = "gx", },
+ .peer = &gx_rwgx0_lvl_ao,
+ .res_type = RPMPD_RWGX,
+ .parent = &mx_rwmx0_lvl.pd,
+ .res_id = 0,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd mx_rwmx0_lvl_ao;
+static struct rpmpd gx_rwgx0_lvl_ao = {
+ .pd = { .name = "gx_ao", },
+ .peer = &gx_rwgx0_lvl,
+ .parent = &mx_rwmx0_lvl_ao.pd,
+ .active_only = true,
+ .res_type = RPMPD_RWGX,
+ .res_id = 0,
+ .key = KEY_LEVEL,
+};
+
+/* MX */
+static struct rpmpd mx_l3a_corner_ao;
+static struct rpmpd mx_l3a_corner = {
+ .pd = { .name = "mx", },
+ .peer = &mx_l3a_corner_ao,
+ .res_type = RPMPD_LDOA,
+ .res_id = 3,
+ .key = KEY_CORNER,
+};
+
+static struct rpmpd mx_l3a_corner_ao = {
+ .pd = { .name = "mx_ao", },
+ .peer = &mx_l3a_corner,
+ .active_only = true,
+ .res_type = RPMPD_LDOA,
+ .res_id = 3,
+ .key = KEY_CORNER,
+};
+
+static struct rpmpd mx_l12a_lvl_ao;
+static struct rpmpd mx_l12a_lvl = {
+ .pd = { .name = "mx", },
+ .peer = &mx_l12a_lvl_ao,
+ .res_type = RPMPD_LDOA,
+ .res_id = 12,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd mx_l12a_lvl_ao = {
+ .pd = { .name = "mx_ao", },
+ .peer = &mx_l12a_lvl,
+ .active_only = true,
+ .res_type = RPMPD_LDOA,
+ .res_id = 12,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd mx_s2a_corner_ao;
+static struct rpmpd mx_s2a_corner = {
+ .pd = { .name = "mx", },
+ .peer = &mx_s2a_corner_ao,
+ .res_type = RPMPD_SMPA,
+ .res_id = 2,
+ .key = KEY_CORNER,
+};
+
+static struct rpmpd mx_s2a_corner_ao = {
+ .pd = { .name = "mx_ao", },
+ .peer = &mx_s2a_corner,
+ .active_only = true,
+ .res_type = RPMPD_SMPA,
+ .res_id = 2,
+ .key = KEY_CORNER,
+};
+
+static struct rpmpd mx_rwmx0_lvl_ao;
+static struct rpmpd mx_rwmx0_lvl = {
+ .pd = { .name = "mx", },
+ .peer = &mx_rwmx0_lvl_ao,
+ .res_type = RPMPD_RWMX,
+ .res_id = 0,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd mx_rwmx0_lvl_ao = {
+ .pd = { .name = "mx_ao", },
+ .peer = &mx_rwmx0_lvl,
+ .active_only = true,
+ .res_type = RPMPD_RWMX,
+ .res_id = 0,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd mx_s6a_lvl_ao;
+static struct rpmpd mx_s6a_lvl = {
+ .pd = { .name = "mx", },
+ .peer = &mx_s6a_lvl_ao,
+ .res_type = RPMPD_SMPA,
+ .res_id = 6,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd mx_s6a_lvl_ao = {
+ .pd = { .name = "mx_ao", },
+ .peer = &mx_s6a_lvl,
+ .active_only = true,
+ .res_type = RPMPD_SMPA,
+ .res_id = 6,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd mx_s7a_lvl_ao;
+static struct rpmpd mx_s7a_lvl = {
+ .pd = { .name = "mx", },
+ .peer = &mx_s7a_lvl_ao,
+ .res_type = RPMPD_SMPA,
+ .res_id = 7,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd mx_s7a_lvl_ao = {
+ .pd = { .name = "mx_ao", },
+ .peer = &mx_s7a_lvl,
+ .active_only = true,
+ .res_type = RPMPD_SMPA,
+ .res_id = 7,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd mx_l12a_vfl = {
+ .pd = { .name = "mx_vfl", },
+ .res_type = RPMPD_LDOA,
+ .res_id = 12,
+ .key = KEY_FLOOR_LEVEL,
+};
+
+static struct rpmpd mx_rwmx0_vfl = {
+ .pd = { .name = "mx_vfl", },
+ .res_type = RPMPD_RWMX,
+ .res_id = 0,
+ .key = KEY_FLOOR_LEVEL,
+};
+
+static struct rpmpd mx_rwsm6_vfl = {
+ .pd = { .name = "mx_vfl", },
+ .res_type = RPMPD_RWSM,
+ .res_id = 6,
+ .key = KEY_FLOOR_LEVEL,
+};
+
+/* MD */
+static struct rpmpd md_s1a_corner_ao;
+static struct rpmpd md_s1a_corner = {
+ .pd = { .name = "md", },
+ .peer = &md_s1a_corner_ao,
+ .res_type = RPMPD_SMPA,
+ .res_id = 1,
+ .key = KEY_CORNER,
+};
+
+static struct rpmpd md_s1a_corner_ao = {
+ .pd = { .name = "md_ao", },
+ .peer = &md_s1a_corner,
+ .active_only = true,
+ .res_type = RPMPD_SMPA,
+ .res_id = 1,
+ .key = KEY_CORNER,
+};
+
+static struct rpmpd md_s1a_lvl_ao;
+static struct rpmpd md_s1a_lvl = {
+ .pd = { .name = "md", },
+ .peer = &md_s1a_lvl_ao,
+ .res_type = RPMPD_SMPA,
+ .res_id = 1,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd md_s1a_lvl_ao = {
+ .pd = { .name = "md_ao", },
+ .peer = &md_s1a_lvl,
+ .active_only = true,
+ .res_type = RPMPD_SMPA,
+ .res_id = 1,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd md_s1a_vfc = {
+ .pd = { .name = "md_vfc", },
+ .res_type = RPMPD_SMPA,
+ .res_id = 1,
+ .key = KEY_FLOOR_CORNER,
+};
+
+/* LPI_CX */
+static struct rpmpd lpi_cx_rwlc0_lvl = {
+ .pd = { .name = "lpi_cx", },
+ .res_type = RPMPD_RWLC,
+ .res_id = 0,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd lpi_cx_rwlc0_vfl = {
+ .pd = { .name = "lpi_cx_vfl", },
+ .res_type = RPMPD_RWLC,
+ .res_id = 0,
+ .key = KEY_FLOOR_LEVEL,
+};
+
+/* LPI_MX */
+static struct rpmpd lpi_mx_rwlm0_lvl = {
+ .pd = { .name = "lpi_mx", },
+ .res_type = RPMPD_RWLM,
+ .res_id = 0,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd lpi_mx_rwlm0_vfl = {
+ .pd = { .name = "lpi_mx_vfl", },
+ .res_type = RPMPD_RWLM,
+ .res_id = 0,
+ .key = KEY_FLOOR_LEVEL,
+};
+
+/* SSC_CX */
+static struct rpmpd ssc_cx_l26a_corner = {
+ .pd = { .name = "ssc_cx", },
+ .res_type = RPMPD_LDOA,
+ .res_id = 26,
+ .key = KEY_CORNER,
+};
+
+static struct rpmpd ssc_cx_rwlc0_lvl = {
+ .pd = { .name = "ssc_cx", },
+ .res_type = RPMPD_RWLC,
+ .res_id = 0,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd ssc_cx_rwsc0_lvl = {
+ .pd = { .name = "ssc_cx", },
+ .res_type = RPMPD_RWSC,
+ .res_id = 0,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd ssc_cx_l26a_vfc = {
+ .pd = { .name = "ssc_cx_vfc", },
+ .res_type = RPMPD_LDOA,
+ .res_id = 26,
+ .key = KEY_FLOOR_CORNER,
+};
+
+static struct rpmpd ssc_cx_rwlc0_vfl = {
+ .pd = { .name = "ssc_cx_vfl", },
+ .res_type = RPMPD_RWLC,
+ .res_id = 0,
+ .key = KEY_FLOOR_LEVEL,
+};
+
+static struct rpmpd ssc_cx_rwsc0_vfl = {
+ .pd = { .name = "ssc_cx_vfl", },
+ .res_type = RPMPD_RWSC,
+ .res_id = 0,
+ .key = KEY_FLOOR_LEVEL,
+};
+
+/* SSC_MX */
+static struct rpmpd ssc_mx_rwlm0_lvl = {
+ .pd = { .name = "ssc_mx", },
+ .res_type = RPMPD_RWLM,
+ .res_id = 0,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd ssc_mx_rwsm0_lvl = {
+ .pd = { .name = "ssc_mx", },
+ .res_type = RPMPD_RWSM,
+ .res_id = 0,
+ .key = KEY_LEVEL,
+};
+
+static struct rpmpd ssc_mx_rwlm0_vfl = {
+ .pd = { .name = "ssc_mx_vfl", },
+ .res_type = RPMPD_RWLM,
+ .res_id = 0,
+ .key = KEY_FLOOR_LEVEL,
+};
+
+static struct rpmpd ssc_mx_rwsm0_vfl = {
+ .pd = { .name = "ssc_mx_vfl", },
+ .res_type = RPMPD_RWSM,
+ .res_id = 0,
+ .key = KEY_FLOOR_LEVEL,
+};
+
+static struct rpmpd *mdm9607_rpmpds[] = {
+ [MDM9607_VDDCX] = &cx_s3a_lvl,
+ [MDM9607_VDDCX_AO] = &cx_s3a_lvl_ao,
+ [MDM9607_VDDCX_VFL] = &cx_s3a_vfl,
+ [MDM9607_VDDMX] = &mx_l12a_lvl,
+ [MDM9607_VDDMX_AO] = &mx_l12a_lvl_ao,
+ [MDM9607_VDDMX_VFL] = &mx_l12a_vfl,
+};
+
+static const struct rpmpd_desc mdm9607_desc = {
+ .rpmpds = mdm9607_rpmpds,
+ .num_pds = ARRAY_SIZE(mdm9607_rpmpds),
+ .max_state = RPM_SMD_LEVEL_TURBO,
+};
+
+static struct rpmpd *msm8226_rpmpds[] = {
+ [MSM8226_VDDCX] = &cx_s1a_corner,
+ [MSM8226_VDDCX_AO] = &cx_s1a_corner_ao,
+ [MSM8226_VDDCX_VFC] = &cx_s1a_vfc,
+};
+
+static const struct rpmpd_desc msm8226_desc = {
+ .rpmpds = msm8226_rpmpds,
+ .num_pds = ARRAY_SIZE(msm8226_rpmpds),
+ .max_state = MAX_CORNER_RPMPD_STATE,
+};
+
+static struct rpmpd *msm8939_rpmpds[] = {
+ [MSM8939_VDDMDCX] = &md_s1a_corner,
+ [MSM8939_VDDMDCX_AO] = &md_s1a_corner_ao,
+ [MSM8939_VDDMDCX_VFC] = &md_s1a_vfc,
+ [MSM8939_VDDCX] = &cx_s2a_corner,
+ [MSM8939_VDDCX_AO] = &cx_s2a_corner_ao,
+ [MSM8939_VDDCX_VFC] = &cx_s2a_vfc,
+ [MSM8939_VDDMX] = &mx_l3a_corner,
+ [MSM8939_VDDMX_AO] = &mx_l3a_corner_ao,
+};
+
+static const struct rpmpd_desc msm8939_desc = {
+ .rpmpds = msm8939_rpmpds,
+ .num_pds = ARRAY_SIZE(msm8939_rpmpds),
+ .max_state = MAX_CORNER_RPMPD_STATE,
+};
+
+static struct rpmpd *msm8916_rpmpds[] = {
+ [MSM8916_VDDCX] = &cx_s1a_corner,
+ [MSM8916_VDDCX_AO] = &cx_s1a_corner_ao,
+ [MSM8916_VDDCX_VFC] = &cx_s1a_vfc,
+ [MSM8916_VDDMX] = &mx_l3a_corner,
+ [MSM8916_VDDMX_AO] = &mx_l3a_corner_ao,
+};
+
+static const struct rpmpd_desc msm8916_desc = {
+ .rpmpds = msm8916_rpmpds,
+ .num_pds = ARRAY_SIZE(msm8916_rpmpds),
+ .max_state = MAX_CORNER_RPMPD_STATE,
+};
+
+static struct rpmpd *msm8953_rpmpds[] = {
+ [MSM8953_VDDMD] = &md_s1a_lvl,
+ [MSM8953_VDDMD_AO] = &md_s1a_lvl_ao,
+ [MSM8953_VDDCX] = &cx_s2a_lvl,
+ [MSM8953_VDDCX_AO] = &cx_s2a_lvl_ao,
+ [MSM8953_VDDCX_VFL] = &cx_s2a_vfl,
+ [MSM8953_VDDMX] = &mx_s7a_lvl,
+ [MSM8953_VDDMX_AO] = &mx_s7a_lvl_ao,
+};
+
+static const struct rpmpd_desc msm8953_desc = {
+ .rpmpds = msm8953_rpmpds,
+ .num_pds = ARRAY_SIZE(msm8953_rpmpds),
+ .max_state = RPM_SMD_LEVEL_TURBO,
+};
+
+static struct rpmpd *msm8976_rpmpds[] = {
+ [MSM8976_VDDCX] = &cx_s2a_lvl,
+ [MSM8976_VDDCX_AO] = &cx_s2a_lvl_ao,
+ [MSM8976_VDDCX_VFL] = &cx_rwsc2_vfl,
+ [MSM8976_VDDMX] = &mx_s6a_lvl,
+ [MSM8976_VDDMX_AO] = &mx_s6a_lvl_ao,
+ [MSM8976_VDDMX_VFL] = &mx_rwsm6_vfl,
+};
+
+static const struct rpmpd_desc msm8976_desc = {
+ .rpmpds = msm8976_rpmpds,
+ .num_pds = ARRAY_SIZE(msm8976_rpmpds),
+ .max_state = RPM_SMD_LEVEL_TURBO_HIGH,
+};
+
+static struct rpmpd *msm8994_rpmpds[] = {
+ [MSM8994_VDDCX] = &cx_s1a_corner,
+ [MSM8994_VDDCX_AO] = &cx_s1a_corner_ao,
+ [MSM8994_VDDCX_VFC] = &cx_s1a_vfc,
+ [MSM8994_VDDMX] = &mx_s2a_corner,
+ [MSM8994_VDDMX_AO] = &mx_s2a_corner_ao,
+
+ /* Attention! *Some* 8994 boards with pm8004 may use SMPC here! */
+ [MSM8994_VDDGFX] = &gfx_s2b_corner,
+ [MSM8994_VDDGFX_VFC] = &gfx_s2b_vfc,
+};
+
+static const struct rpmpd_desc msm8994_desc = {
+ .rpmpds = msm8994_rpmpds,
+ .num_pds = ARRAY_SIZE(msm8994_rpmpds),
+ .max_state = MAX_CORNER_RPMPD_STATE,
+};
+
+static struct rpmpd *msm8996_rpmpds[] = {
+ [MSM8996_VDDCX] = &cx_s1a_corner,
+ [MSM8996_VDDCX_AO] = &cx_s1a_corner_ao,
+ [MSM8996_VDDCX_VFC] = &cx_s1a_vfc,
+ [MSM8996_VDDMX] = &mx_s2a_corner,
+ [MSM8996_VDDMX_AO] = &mx_s2a_corner_ao,
+ [MSM8996_VDDSSCX] = &ssc_cx_l26a_corner,
+ [MSM8996_VDDSSCX_VFC] = &ssc_cx_l26a_vfc,
+};
+
+static const struct rpmpd_desc msm8996_desc = {
+ .rpmpds = msm8996_rpmpds,
+ .num_pds = ARRAY_SIZE(msm8996_rpmpds),
+ .max_state = MAX_CORNER_RPMPD_STATE,
+};
+
+static struct rpmpd *msm8998_rpmpds[] = {
+ [MSM8998_VDDCX] = &cx_rwcx0_lvl,
+ [MSM8998_VDDCX_AO] = &cx_rwcx0_lvl_ao,
+ [MSM8998_VDDCX_VFL] = &cx_rwcx0_vfl,
+ [MSM8998_VDDMX] = &mx_rwmx0_lvl,
+ [MSM8998_VDDMX_AO] = &mx_rwmx0_lvl_ao,
+ [MSM8998_VDDMX_VFL] = &mx_rwmx0_vfl,
+ [MSM8998_SSCCX] = &ssc_cx_rwsc0_lvl,
+ [MSM8998_SSCCX_VFL] = &ssc_cx_rwsc0_vfl,
+ [MSM8998_SSCMX] = &ssc_mx_rwsm0_lvl,
+ [MSM8998_SSCMX_VFL] = &ssc_mx_rwsm0_vfl,
+};
+
+static const struct rpmpd_desc msm8998_desc = {
+ .rpmpds = msm8998_rpmpds,
+ .num_pds = ARRAY_SIZE(msm8998_rpmpds),
+ .max_state = RPM_SMD_LEVEL_BINNING,
+};
+
+static struct rpmpd *qcs404_rpmpds[] = {
+ [QCS404_VDDMX] = &mx_rwmx0_lvl,
+ [QCS404_VDDMX_AO] = &mx_rwmx0_lvl_ao,
+ [QCS404_VDDMX_VFL] = &mx_rwmx0_vfl,
+ [QCS404_LPICX] = &lpi_cx_rwlc0_lvl,
+ [QCS404_LPICX_VFL] = &lpi_cx_rwlc0_vfl,
+ [QCS404_LPIMX] = &lpi_mx_rwlm0_lvl,
+ [QCS404_LPIMX_VFL] = &lpi_mx_rwlm0_vfl,
+};
+
+static const struct rpmpd_desc qcs404_desc = {
+ .rpmpds = qcs404_rpmpds,
+ .num_pds = ARRAY_SIZE(qcs404_rpmpds),
+ .max_state = RPM_SMD_LEVEL_BINNING,
+};
+
+static struct rpmpd *sdm660_rpmpds[] = {
+ [SDM660_VDDCX] = &cx_rwcx0_lvl,
+ [SDM660_VDDCX_AO] = &cx_rwcx0_lvl_ao,
+ [SDM660_VDDCX_VFL] = &cx_rwcx0_vfl,
+ [SDM660_VDDMX] = &mx_rwmx0_lvl,
+ [SDM660_VDDMX_AO] = &mx_rwmx0_lvl_ao,
+ [SDM660_VDDMX_VFL] = &mx_rwmx0_vfl,
+ [SDM660_SSCCX] = &ssc_cx_rwlc0_lvl,
+ [SDM660_SSCCX_VFL] = &ssc_cx_rwlc0_vfl,
+ [SDM660_SSCMX] = &ssc_mx_rwlm0_lvl,
+ [SDM660_SSCMX_VFL] = &ssc_mx_rwlm0_vfl,
+};
+
+static const struct rpmpd_desc sdm660_desc = {
+ .rpmpds = sdm660_rpmpds,
+ .num_pds = ARRAY_SIZE(sdm660_rpmpds),
+ .max_state = RPM_SMD_LEVEL_TURBO,
+};
+
+static struct rpmpd *sm6115_rpmpds[] = {
+ [SM6115_VDDCX] = &cx_rwcx0_lvl,
+ [SM6115_VDDCX_AO] = &cx_rwcx0_lvl_ao,
+ [SM6115_VDDCX_VFL] = &cx_rwcx0_vfl,
+ [SM6115_VDDMX] = &mx_rwmx0_lvl,
+ [SM6115_VDDMX_AO] = &mx_rwmx0_lvl_ao,
+ [SM6115_VDDMX_VFL] = &mx_rwmx0_vfl,
+ [SM6115_VDD_LPI_CX] = &lpi_cx_rwlc0_lvl,
+ [SM6115_VDD_LPI_MX] = &lpi_mx_rwlm0_lvl,
+};
+
+static const struct rpmpd_desc sm6115_desc = {
+ .rpmpds = sm6115_rpmpds,
+ .num_pds = ARRAY_SIZE(sm6115_rpmpds),
+ .max_state = RPM_SMD_LEVEL_TURBO_NO_CPR,
+};
+
+static struct rpmpd *sm6125_rpmpds[] = {
+ [SM6125_VDDCX] = &cx_rwcx0_lvl,
+ [SM6125_VDDCX_AO] = &cx_rwcx0_lvl_ao,
+ [SM6125_VDDCX_VFL] = &cx_rwcx0_vfl,
+ [SM6125_VDDMX] = &mx_rwmx0_lvl,
+ [SM6125_VDDMX_AO] = &mx_rwmx0_lvl_ao,
+ [SM6125_VDDMX_VFL] = &mx_rwmx0_vfl,
+};
+
+static const struct rpmpd_desc sm6125_desc = {
+ .rpmpds = sm6125_rpmpds,
+ .num_pds = ARRAY_SIZE(sm6125_rpmpds),
+ .max_state = RPM_SMD_LEVEL_BINNING,
+};
+
+static struct rpmpd *sm6375_rpmpds[] = {
+ [SM6375_VDDCX] = &cx_rwcx0_lvl,
+ [SM6375_VDDCX_AO] = &cx_rwcx0_lvl_ao,
+ [SM6375_VDDCX_VFL] = &cx_rwcx0_vfl,
+ [SM6375_VDDMX] = &mx_rwmx0_lvl,
+ [SM6375_VDDMX_AO] = &mx_rwmx0_lvl_ao,
+ [SM6375_VDDMX_VFL] = &mx_rwmx0_vfl,
+ [SM6375_VDDGX] = &gx_rwgx0_lvl,
+ [SM6375_VDDGX_AO] = &gx_rwgx0_lvl_ao,
+ [SM6375_VDD_LPI_CX] = &lpi_cx_rwlc0_lvl,
+ [SM6375_VDD_LPI_MX] = &lpi_mx_rwlm0_lvl,
+};
+
+static const struct rpmpd_desc sm6375_desc = {
+ .rpmpds = sm6375_rpmpds,
+ .num_pds = ARRAY_SIZE(sm6375_rpmpds),
+ .max_state = RPM_SMD_LEVEL_TURBO_NO_CPR,
+};
+
+static struct rpmpd *qcm2290_rpmpds[] = {
+ [QCM2290_VDDCX] = &cx_rwcx0_lvl,
+ [QCM2290_VDDCX_AO] = &cx_rwcx0_lvl_ao,
+ [QCM2290_VDDCX_VFL] = &cx_rwcx0_vfl,
+ [QCM2290_VDDMX] = &mx_rwmx0_lvl,
+ [QCM2290_VDDMX_AO] = &mx_rwmx0_lvl_ao,
+ [QCM2290_VDDMX_VFL] = &mx_rwmx0_vfl,
+ [QCM2290_VDD_LPI_CX] = &lpi_cx_rwlc0_lvl,
+ [QCM2290_VDD_LPI_MX] = &lpi_mx_rwlm0_lvl,
+};
+
+static const struct rpmpd_desc qcm2290_desc = {
+ .rpmpds = qcm2290_rpmpds,
+ .num_pds = ARRAY_SIZE(qcm2290_rpmpds),
+ .max_state = RPM_SMD_LEVEL_TURBO_NO_CPR,
+};
+
+static const struct of_device_id rpmpd_match_table[] = {
+ { .compatible = "qcom,mdm9607-rpmpd", .data = &mdm9607_desc },
+ { .compatible = "qcom,msm8226-rpmpd", .data = &msm8226_desc },
+ { .compatible = "qcom,msm8909-rpmpd", .data = &msm8916_desc },
+ { .compatible = "qcom,msm8916-rpmpd", .data = &msm8916_desc },
+ { .compatible = "qcom,msm8939-rpmpd", .data = &msm8939_desc },
+ { .compatible = "qcom,msm8953-rpmpd", .data = &msm8953_desc },
+ { .compatible = "qcom,msm8976-rpmpd", .data = &msm8976_desc },
+ { .compatible = "qcom,msm8994-rpmpd", .data = &msm8994_desc },
+ { .compatible = "qcom,msm8996-rpmpd", .data = &msm8996_desc },
+ { .compatible = "qcom,msm8998-rpmpd", .data = &msm8998_desc },
+ { .compatible = "qcom,qcm2290-rpmpd", .data = &qcm2290_desc },
+ { .compatible = "qcom,qcs404-rpmpd", .data = &qcs404_desc },
+ { .compatible = "qcom,sdm660-rpmpd", .data = &sdm660_desc },
+ { .compatible = "qcom,sm6115-rpmpd", .data = &sm6115_desc },
+ { .compatible = "qcom,sm6125-rpmpd", .data = &sm6125_desc },
+ { .compatible = "qcom,sm6375-rpmpd", .data = &sm6375_desc },
+ { }
+};
+MODULE_DEVICE_TABLE(of, rpmpd_match_table);
+
+static int rpmpd_send_enable(struct rpmpd *pd, bool enable)
+{
+ struct rpmpd_req req = {
+ .key = KEY_ENABLE,
+ .nbytes = cpu_to_le32(sizeof(u32)),
+ .value = cpu_to_le32(enable),
+ };
+
+ return qcom_rpm_smd_write(pd->rpm, QCOM_SMD_RPM_ACTIVE_STATE,
+ pd->res_type, pd->res_id, &req, sizeof(req));
+}
+
+static int rpmpd_send_corner(struct rpmpd *pd, int state, unsigned int corner)
+{
+ struct rpmpd_req req = {
+ .key = pd->key,
+ .nbytes = cpu_to_le32(sizeof(u32)),
+ .value = cpu_to_le32(corner),
+ };
+
+ return qcom_rpm_smd_write(pd->rpm, state, pd->res_type, pd->res_id,
+ &req, sizeof(req));
+};
+
+static void to_active_sleep(struct rpmpd *pd, unsigned int corner,
+ unsigned int *active, unsigned int *sleep)
+{
+ *active = corner;
+
+ if (pd->active_only)
+ *sleep = 0;
+ else
+ *sleep = *active;
+}
+
+static int rpmpd_aggregate_corner(struct rpmpd *pd)
+{
+ int ret;
+ struct rpmpd *peer = pd->peer;
+ unsigned int active_corner, sleep_corner;
+ unsigned int this_active_corner = 0, this_sleep_corner = 0;
+ unsigned int peer_active_corner = 0, peer_sleep_corner = 0;
+
+ /* Clamp to the highest corner/level if sync_state isn't done yet */
+ if (!pd->state_synced)
+ this_active_corner = this_sleep_corner = pd->max_state - 1;
+ else
+ to_active_sleep(pd, pd->corner, &this_active_corner, &this_sleep_corner);
+
+ if (peer && peer->enabled)
+ to_active_sleep(peer, peer->corner, &peer_active_corner,
+ &peer_sleep_corner);
+
+ active_corner = max(this_active_corner, peer_active_corner);
+
+ ret = rpmpd_send_corner(pd, QCOM_SMD_RPM_ACTIVE_STATE, active_corner);
+ if (ret)
+ return ret;
+
+ sleep_corner = max(this_sleep_corner, peer_sleep_corner);
+
+ return rpmpd_send_corner(pd, QCOM_SMD_RPM_SLEEP_STATE, sleep_corner);
+}
+
+static int rpmpd_power_on(struct generic_pm_domain *domain)
+{
+ int ret;
+ struct rpmpd *pd = domain_to_rpmpd(domain);
+
+ mutex_lock(&rpmpd_lock);
+
+ ret = rpmpd_send_enable(pd, true);
+ if (ret)
+ goto out;
+
+ pd->enabled = true;
+
+ if (pd->corner)
+ ret = rpmpd_aggregate_corner(pd);
+
+out:
+ mutex_unlock(&rpmpd_lock);
+
+ return ret;
+}
+
+static int rpmpd_power_off(struct generic_pm_domain *domain)
+{
+ int ret;
+ struct rpmpd *pd = domain_to_rpmpd(domain);
+
+ mutex_lock(&rpmpd_lock);
+
+ ret = rpmpd_send_enable(pd, false);
+ if (!ret)
+ pd->enabled = false;
+
+ mutex_unlock(&rpmpd_lock);
+
+ return ret;
+}
+
+static int rpmpd_set_performance(struct generic_pm_domain *domain,
+ unsigned int state)
+{
+ int ret = 0;
+ struct rpmpd *pd = domain_to_rpmpd(domain);
+
+ if (state > pd->max_state)
+ state = pd->max_state;
+
+ mutex_lock(&rpmpd_lock);
+
+ pd->corner = state;
+
+ /* Always send updates for vfc and vfl */
+ if (!pd->enabled && pd->key != cpu_to_le32(KEY_FLOOR_CORNER) &&
+ pd->key != cpu_to_le32(KEY_FLOOR_LEVEL))
+ goto out;
+
+ ret = rpmpd_aggregate_corner(pd);
+
+out:
+ mutex_unlock(&rpmpd_lock);
+
+ return ret;
+}
+
+static unsigned int rpmpd_get_performance(struct generic_pm_domain *genpd,
+ struct dev_pm_opp *opp)
+{
+ return dev_pm_opp_get_level(opp);
+}
+
+static int rpmpd_probe(struct platform_device *pdev)
+{
+ int i;
+ size_t num;
+ struct genpd_onecell_data *data;
+ struct qcom_smd_rpm *rpm;
+ struct rpmpd **rpmpds;
+ const struct rpmpd_desc *desc;
+
+ rpm = dev_get_drvdata(pdev->dev.parent);
+ if (!rpm) {
+ dev_err(&pdev->dev, "Unable to retrieve handle to RPM\n");
+ return -ENODEV;
+ }
+
+ desc = of_device_get_match_data(&pdev->dev);
+ if (!desc)
+ return -EINVAL;
+
+ rpmpds = desc->rpmpds;
+ num = desc->num_pds;
+
+ data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ data->domains = devm_kcalloc(&pdev->dev, num, sizeof(*data->domains),
+ GFP_KERNEL);
+ if (!data->domains)
+ return -ENOMEM;
+
+ data->num_domains = num;
+
+ for (i = 0; i < num; i++) {
+ if (!rpmpds[i]) {
+ dev_warn(&pdev->dev, "rpmpds[] with empty entry at index=%d\n",
+ i);
+ continue;
+ }
+
+ rpmpds[i]->rpm = rpm;
+ rpmpds[i]->max_state = desc->max_state;
+ rpmpds[i]->pd.power_off = rpmpd_power_off;
+ rpmpds[i]->pd.power_on = rpmpd_power_on;
+ rpmpds[i]->pd.set_performance_state = rpmpd_set_performance;
+ rpmpds[i]->pd.opp_to_performance_state = rpmpd_get_performance;
+ pm_genpd_init(&rpmpds[i]->pd, NULL, true);
+
+ data->domains[i] = &rpmpds[i]->pd;
+ }
+
+ /* Add subdomains */
+ for (i = 0; i < num; i++) {
+ if (!rpmpds[i])
+ continue;
+
+ if (rpmpds[i]->parent)
+ pm_genpd_add_subdomain(rpmpds[i]->parent, &rpmpds[i]->pd);
+ }
+
+ return of_genpd_add_provider_onecell(pdev->dev.of_node, data);
+}
+
+static void rpmpd_sync_state(struct device *dev)
+{
+ const struct rpmpd_desc *desc = of_device_get_match_data(dev);
+ struct rpmpd **rpmpds = desc->rpmpds;
+ struct rpmpd *pd;
+ unsigned int i;
+ int ret;
+
+ mutex_lock(&rpmpd_lock);
+ for (i = 0; i < desc->num_pds; i++) {
+ pd = rpmpds[i];
+ if (!pd)
+ continue;
+
+ pd->state_synced = true;
+
+ if (!pd->enabled)
+ pd->corner = 0;
+
+ ret = rpmpd_aggregate_corner(pd);
+ if (ret)
+ dev_err(dev, "failed to sync %s: %d\n", pd->pd.name, ret);
+ }
+ mutex_unlock(&rpmpd_lock);
+}
+
+static struct platform_driver rpmpd_driver = {
+ .driver = {
+ .name = "qcom-rpmpd",
+ .of_match_table = rpmpd_match_table,
+ .suppress_bind_attrs = true,
+ .sync_state = rpmpd_sync_state,
+ },
+ .probe = rpmpd_probe,
+};
+
+static int __init rpmpd_init(void)
+{
+ return platform_driver_register(&rpmpd_driver);
+}
+core_initcall(rpmpd_init);
+
+MODULE_DESCRIPTION("Qualcomm Technologies, Inc. RPM Power Domain Driver");
+MODULE_LICENSE("GPL v2");
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0
+# SoC
+obj-$(CONFIG_SYSC_R8A7742) += r8a7742-sysc.o
+obj-$(CONFIG_SYSC_R8A7743) += r8a7743-sysc.o
+obj-$(CONFIG_SYSC_R8A7745) += r8a7745-sysc.o
+obj-$(CONFIG_SYSC_R8A77470) += r8a77470-sysc.o
+obj-$(CONFIG_SYSC_R8A774A1) += r8a774a1-sysc.o
+obj-$(CONFIG_SYSC_R8A774B1) += r8a774b1-sysc.o
+obj-$(CONFIG_SYSC_R8A774C0) += r8a774c0-sysc.o
+obj-$(CONFIG_SYSC_R8A774E1) += r8a774e1-sysc.o
+obj-$(CONFIG_SYSC_R8A7779) += r8a7779-sysc.o
+obj-$(CONFIG_SYSC_R8A7790) += r8a7790-sysc.o
+obj-$(CONFIG_SYSC_R8A7791) += r8a7791-sysc.o
+obj-$(CONFIG_SYSC_R8A7792) += r8a7792-sysc.o
+obj-$(CONFIG_SYSC_R8A7794) += r8a7794-sysc.o
+obj-$(CONFIG_SYSC_R8A7795) += r8a7795-sysc.o
+obj-$(CONFIG_SYSC_R8A77960) += r8a7796-sysc.o
+obj-$(CONFIG_SYSC_R8A77961) += r8a7796-sysc.o
+obj-$(CONFIG_SYSC_R8A77965) += r8a77965-sysc.o
+obj-$(CONFIG_SYSC_R8A77970) += r8a77970-sysc.o
+obj-$(CONFIG_SYSC_R8A77980) += r8a77980-sysc.o
+obj-$(CONFIG_SYSC_R8A77990) += r8a77990-sysc.o
+obj-$(CONFIG_SYSC_R8A77995) += r8a77995-sysc.o
+obj-$(CONFIG_SYSC_R8A779A0) += r8a779a0-sysc.o
+obj-$(CONFIG_SYSC_R8A779F0) += r8a779f0-sysc.o
+obj-$(CONFIG_SYSC_R8A779G0) += r8a779g0-sysc.o
+# Family
+obj-$(CONFIG_SYSC_RCAR) += rcar-sysc.o
+obj-$(CONFIG_SYSC_RCAR_GEN4) += rcar-gen4-sysc.o
+obj-$(CONFIG_SYSC_RMOBILE) += rmobile-sysc.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G1H System Controller
+ *
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7742-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7742_areas[] __initconst = {
+ { "always-on", 0, 0, R8A7742_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca15-scu", 0x180, 0, R8A7742_PD_CA15_SCU, R8A7742_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca15-cpu0", 0x40, 0, R8A7742_PD_CA15_CPU0, R8A7742_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca15-cpu1", 0x40, 1, R8A7742_PD_CA15_CPU1, R8A7742_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca15-cpu2", 0x40, 2, R8A7742_PD_CA15_CPU2, R8A7742_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca15-cpu3", 0x40, 3, R8A7742_PD_CA15_CPU3, R8A7742_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca7-scu", 0x100, 0, R8A7742_PD_CA7_SCU, R8A7742_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca7-cpu0", 0x1c0, 0, R8A7742_PD_CA7_CPU0, R8A7742_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "ca7-cpu1", 0x1c0, 1, R8A7742_PD_CA7_CPU1, R8A7742_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "ca7-cpu2", 0x1c0, 2, R8A7742_PD_CA7_CPU2, R8A7742_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "ca7-cpu3", 0x1c0, 3, R8A7742_PD_CA7_CPU3, R8A7742_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "rgx", 0xc0, 0, R8A7742_PD_RGX, R8A7742_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7742_sysc_info __initconst = {
+ .areas = r8a7742_areas,
+ .num_areas = ARRAY_SIZE(r8a7742_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G1M System Controller
+ *
+ * Copyright (C) 2016 Cogent Embedded Inc.
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7743-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7743_areas[] __initconst = {
+ { "always-on", 0, 0, R8A7743_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca15-scu", 0x180, 0, R8A7743_PD_CA15_SCU, R8A7743_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca15-cpu0", 0x40, 0, R8A7743_PD_CA15_CPU0, R8A7743_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca15-cpu1", 0x40, 1, R8A7743_PD_CA15_CPU1, R8A7743_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "sgx", 0xc0, 0, R8A7743_PD_SGX, R8A7743_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7743_sysc_info __initconst = {
+ .areas = r8a7743_areas,
+ .num_areas = ARRAY_SIZE(r8a7743_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G1E System Controller
+ *
+ * Copyright (C) 2016 Cogent Embedded Inc.
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7745-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7745_areas[] __initconst = {
+ { "always-on", 0, 0, R8A7745_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca7-scu", 0x100, 0, R8A7745_PD_CA7_SCU, R8A7745_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca7-cpu0", 0x1c0, 0, R8A7745_PD_CA7_CPU0, R8A7745_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "ca7-cpu1", 0x1c0, 1, R8A7745_PD_CA7_CPU1, R8A7745_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "sgx", 0xc0, 0, R8A7745_PD_SGX, R8A7745_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7745_sysc_info __initconst = {
+ .areas = r8a7745_areas,
+ .num_areas = ARRAY_SIZE(r8a7745_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G1C System Controller
+ *
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a77470-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a77470_areas[] __initconst = {
+ { "always-on", 0, 0, R8A77470_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca7-scu", 0x100, 0, R8A77470_PD_CA7_SCU, R8A77470_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca7-cpu0", 0x1c0, 0, R8A77470_PD_CA7_CPU0, R8A77470_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "ca7-cpu1", 0x1c0, 1, R8A77470_PD_CA7_CPU1, R8A77470_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "sgx", 0xc0, 0, R8A77470_PD_SGX, R8A77470_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a77470_sysc_info __initconst = {
+ .areas = r8a77470_areas,
+ .num_areas = ARRAY_SIZE(r8a77470_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G2M System Controller
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ *
+ * Based on Renesas R-Car M3-W System Controller
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a774a1-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a774a1_areas[] __initconst = {
+ { "always-on", 0, 0, R8A774A1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca57-scu", 0x1c0, 0, R8A774A1_PD_CA57_SCU, R8A774A1_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca57-cpu0", 0x80, 0, R8A774A1_PD_CA57_CPU0, R8A774A1_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca57-cpu1", 0x80, 1, R8A774A1_PD_CA57_CPU1, R8A774A1_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca53-scu", 0x140, 0, R8A774A1_PD_CA53_SCU, R8A774A1_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A774A1_PD_CA53_CPU0, R8A774A1_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu1", 0x200, 1, R8A774A1_PD_CA53_CPU1, R8A774A1_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu2", 0x200, 2, R8A774A1_PD_CA53_CPU2, R8A774A1_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu3", 0x200, 3, R8A774A1_PD_CA53_CPU3, R8A774A1_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "a3vc", 0x380, 0, R8A774A1_PD_A3VC, R8A774A1_PD_ALWAYS_ON },
+ { "a2vc0", 0x3c0, 0, R8A774A1_PD_A2VC0, R8A774A1_PD_A3VC },
+ { "a2vc1", 0x3c0, 1, R8A774A1_PD_A2VC1, R8A774A1_PD_A3VC },
+ { "3dg-a", 0x100, 0, R8A774A1_PD_3DG_A, R8A774A1_PD_ALWAYS_ON },
+ { "3dg-b", 0x100, 1, R8A774A1_PD_3DG_B, R8A774A1_PD_3DG_A },
+};
+
+const struct rcar_sysc_info r8a774a1_sysc_info __initconst = {
+ .areas = r8a774a1_areas,
+ .num_areas = ARRAY_SIZE(r8a774a1_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G2N System Controller
+ * Copyright (C) 2019 Renesas Electronics Corp.
+ *
+ * Based on Renesas R-Car M3-W System Controller
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a774b1-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a774b1_areas[] __initconst = {
+ { "always-on", 0, 0, R8A774B1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca57-scu", 0x1c0, 0, R8A774B1_PD_CA57_SCU, R8A774B1_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca57-cpu0", 0x80, 0, R8A774B1_PD_CA57_CPU0, R8A774B1_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca57-cpu1", 0x80, 1, R8A774B1_PD_CA57_CPU1, R8A774B1_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "a3vc", 0x380, 0, R8A774B1_PD_A3VC, R8A774B1_PD_ALWAYS_ON },
+ { "a3vp", 0x340, 0, R8A774B1_PD_A3VP, R8A774B1_PD_ALWAYS_ON },
+ { "a2vc1", 0x3c0, 1, R8A774B1_PD_A2VC1, R8A774B1_PD_A3VC },
+ { "3dg-a", 0x100, 0, R8A774B1_PD_3DG_A, R8A774B1_PD_ALWAYS_ON },
+ { "3dg-b", 0x100, 1, R8A774B1_PD_3DG_B, R8A774B1_PD_3DG_A },
+};
+
+const struct rcar_sysc_info r8a774b1_sysc_info __initconst = {
+ .areas = r8a774b1_areas,
+ .num_areas = ARRAY_SIZE(r8a774b1_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G2E System Controller
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ *
+ * Based on Renesas R-Car E3 System Controller
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+#include <linux/sys_soc.h>
+
+#include <dt-bindings/power/r8a774c0-sysc.h>
+
+#include "rcar-sysc.h"
+
+static struct rcar_sysc_area r8a774c0_areas[] __initdata = {
+ { "always-on", 0, 0, R8A774C0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca53-scu", 0x140, 0, R8A774C0_PD_CA53_SCU, R8A774C0_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A774C0_PD_CA53_CPU0, R8A774C0_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu1", 0x200, 1, R8A774C0_PD_CA53_CPU1, R8A774C0_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "a3vc", 0x380, 0, R8A774C0_PD_A3VC, R8A774C0_PD_ALWAYS_ON },
+ { "a2vc1", 0x3c0, 1, R8A774C0_PD_A2VC1, R8A774C0_PD_A3VC },
+ { "3dg-a", 0x100, 0, R8A774C0_PD_3DG_A, R8A774C0_PD_ALWAYS_ON },
+ { "3dg-b", 0x100, 1, R8A774C0_PD_3DG_B, R8A774C0_PD_3DG_A },
+};
+
+/* Fixups for RZ/G2E ES1.0 revision */
+static const struct soc_device_attribute r8a774c0[] __initconst = {
+ { .soc_id = "r8a774c0", .revision = "ES1.0" },
+ { /* sentinel */ }
+};
+
+static int __init r8a774c0_sysc_init(void)
+{
+ if (soc_device_match(r8a774c0)) {
+ /* Fix incorrect 3DG hierarchy */
+ swap(r8a774c0_areas[6], r8a774c0_areas[7]);
+ r8a774c0_areas[6].parent = R8A774C0_PD_ALWAYS_ON;
+ r8a774c0_areas[7].parent = R8A774C0_PD_3DG_B;
+ }
+
+ return 0;
+}
+
+const struct rcar_sysc_info r8a774c0_sysc_info __initconst = {
+ .init = r8a774c0_sysc_init,
+ .areas = r8a774c0_areas,
+ .num_areas = ARRAY_SIZE(r8a774c0_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G2H System Controller
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ *
+ * Based on Renesas R-Car H3 System Controller
+ * Copyright (C) 2016-2017 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a774e1-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a774e1_areas[] __initconst = {
+ { "always-on", 0, 0, R8A774E1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca57-scu", 0x1c0, 0, R8A774E1_PD_CA57_SCU, R8A774E1_PD_ALWAYS_ON, PD_SCU },
+ { "ca57-cpu0", 0x80, 0, R8A774E1_PD_CA57_CPU0, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
+ { "ca57-cpu1", 0x80, 1, R8A774E1_PD_CA57_CPU1, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
+ { "ca57-cpu2", 0x80, 2, R8A774E1_PD_CA57_CPU2, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
+ { "ca57-cpu3", 0x80, 3, R8A774E1_PD_CA57_CPU3, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
+ { "ca53-scu", 0x140, 0, R8A774E1_PD_CA53_SCU, R8A774E1_PD_ALWAYS_ON, PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A774E1_PD_CA53_CPU0, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
+ { "ca53-cpu1", 0x200, 1, R8A774E1_PD_CA53_CPU1, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
+ { "ca53-cpu2", 0x200, 2, R8A774E1_PD_CA53_CPU2, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
+ { "ca53-cpu3", 0x200, 3, R8A774E1_PD_CA53_CPU3, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
+ { "a3vp", 0x340, 0, R8A774E1_PD_A3VP, R8A774E1_PD_ALWAYS_ON },
+ { "a3vc", 0x380, 0, R8A774E1_PD_A3VC, R8A774E1_PD_ALWAYS_ON },
+ { "a2vc1", 0x3c0, 1, R8A774E1_PD_A2VC1, R8A774E1_PD_A3VC },
+ { "3dg-a", 0x100, 0, R8A774E1_PD_3DG_A, R8A774E1_PD_ALWAYS_ON },
+ { "3dg-b", 0x100, 1, R8A774E1_PD_3DG_B, R8A774E1_PD_3DG_A },
+ { "3dg-c", 0x100, 2, R8A774E1_PD_3DG_C, R8A774E1_PD_3DG_B },
+ { "3dg-d", 0x100, 3, R8A774E1_PD_3DG_D, R8A774E1_PD_3DG_C },
+ { "3dg-e", 0x100, 4, R8A774E1_PD_3DG_E, R8A774E1_PD_3DG_D },
+};
+
+const struct rcar_sysc_info r8a774e1_sysc_info __initconst = {
+ .areas = r8a774e1_areas,
+ .num_areas = ARRAY_SIZE(r8a774e1_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car H1 System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7779-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7779_areas[] __initconst = {
+ { "always-on", 0, 0, R8A7779_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "arm1", 0x40, 1, R8A7779_PD_ARM1, R8A7779_PD_ALWAYS_ON,
+ PD_CPU_CR },
+ { "arm2", 0x40, 2, R8A7779_PD_ARM2, R8A7779_PD_ALWAYS_ON,
+ PD_CPU_CR },
+ { "arm3", 0x40, 3, R8A7779_PD_ARM3, R8A7779_PD_ALWAYS_ON,
+ PD_CPU_CR },
+ { "sgx", 0xc0, 0, R8A7779_PD_SGX, R8A7779_PD_ALWAYS_ON },
+ { "vdp", 0x100, 0, R8A7779_PD_VDP, R8A7779_PD_ALWAYS_ON },
+ { "imp", 0x140, 0, R8A7779_PD_IMP, R8A7779_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7779_sysc_info __initconst = {
+ .areas = r8a7779_areas,
+ .num_areas = ARRAY_SIZE(r8a7779_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car H2 System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7790-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7790_areas[] __initconst = {
+ { "always-on", 0, 0, R8A7790_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca15-scu", 0x180, 0, R8A7790_PD_CA15_SCU, R8A7790_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca15-cpu0", 0x40, 0, R8A7790_PD_CA15_CPU0, R8A7790_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca15-cpu1", 0x40, 1, R8A7790_PD_CA15_CPU1, R8A7790_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca15-cpu2", 0x40, 2, R8A7790_PD_CA15_CPU2, R8A7790_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca15-cpu3", 0x40, 3, R8A7790_PD_CA15_CPU3, R8A7790_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca7-scu", 0x100, 0, R8A7790_PD_CA7_SCU, R8A7790_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca7-cpu0", 0x1c0, 0, R8A7790_PD_CA7_CPU0, R8A7790_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "ca7-cpu1", 0x1c0, 1, R8A7790_PD_CA7_CPU1, R8A7790_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "ca7-cpu2", 0x1c0, 2, R8A7790_PD_CA7_CPU2, R8A7790_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "ca7-cpu3", 0x1c0, 3, R8A7790_PD_CA7_CPU3, R8A7790_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "sh-4a", 0x80, 0, R8A7790_PD_SH_4A, R8A7790_PD_ALWAYS_ON },
+ { "rgx", 0xc0, 0, R8A7790_PD_RGX, R8A7790_PD_ALWAYS_ON },
+ { "imp", 0x140, 0, R8A7790_PD_IMP, R8A7790_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7790_sysc_info __initconst = {
+ .areas = r8a7790_areas,
+ .num_areas = ARRAY_SIZE(r8a7790_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car M2-W/N System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7791-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7791_areas[] __initconst = {
+ { "always-on", 0, 0, R8A7791_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca15-scu", 0x180, 0, R8A7791_PD_CA15_SCU, R8A7791_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca15-cpu0", 0x40, 0, R8A7791_PD_CA15_CPU0, R8A7791_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca15-cpu1", 0x40, 1, R8A7791_PD_CA15_CPU1, R8A7791_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "sh-4a", 0x80, 0, R8A7791_PD_SH_4A, R8A7791_PD_ALWAYS_ON },
+ { "sgx", 0xc0, 0, R8A7791_PD_SGX, R8A7791_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7791_sysc_info __initconst = {
+ .areas = r8a7791_areas,
+ .num_areas = ARRAY_SIZE(r8a7791_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car V2H (R8A7792) System Controller
+ *
+ * Copyright (C) 2016 Cogent Embedded Inc.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7792-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7792_areas[] __initconst = {
+ { "always-on", 0, 0, R8A7792_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca15-scu", 0x180, 0, R8A7792_PD_CA15_SCU, R8A7792_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca15-cpu0", 0x40, 0, R8A7792_PD_CA15_CPU0, R8A7792_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca15-cpu1", 0x40, 1, R8A7792_PD_CA15_CPU1, R8A7792_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "sgx", 0xc0, 0, R8A7792_PD_SGX, R8A7792_PD_ALWAYS_ON },
+ { "imp", 0x140, 0, R8A7792_PD_IMP, R8A7792_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7792_sysc_info __initconst = {
+ .areas = r8a7792_areas,
+ .num_areas = ARRAY_SIZE(r8a7792_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car E2 System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7794-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7794_areas[] __initconst = {
+ { "always-on", 0, 0, R8A7794_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca7-scu", 0x100, 0, R8A7794_PD_CA7_SCU, R8A7794_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca7-cpu0", 0x1c0, 0, R8A7794_PD_CA7_CPU0, R8A7794_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "ca7-cpu1", 0x1c0, 1, R8A7794_PD_CA7_CPU1, R8A7794_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "sh-4a", 0x80, 0, R8A7794_PD_SH_4A, R8A7794_PD_ALWAYS_ON },
+ { "sgx", 0xc0, 0, R8A7794_PD_SGX, R8A7794_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7794_sysc_info __initconst = {
+ .areas = r8a7794_areas,
+ .num_areas = ARRAY_SIZE(r8a7794_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car H3 System Controller
+ *
+ * Copyright (C) 2016-2017 Glider bvba
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+#include <linux/sys_soc.h>
+
+#include <dt-bindings/power/r8a7795-sysc.h>
+
+#include "rcar-sysc.h"
+
+static struct rcar_sysc_area r8a7795_areas[] __initdata = {
+ { "always-on", 0, 0, R8A7795_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca57-scu", 0x1c0, 0, R8A7795_PD_CA57_SCU, R8A7795_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca57-cpu0", 0x80, 0, R8A7795_PD_CA57_CPU0, R8A7795_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca57-cpu1", 0x80, 1, R8A7795_PD_CA57_CPU1, R8A7795_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca57-cpu2", 0x80, 2, R8A7795_PD_CA57_CPU2, R8A7795_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca57-cpu3", 0x80, 3, R8A7795_PD_CA57_CPU3, R8A7795_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca53-scu", 0x140, 0, R8A7795_PD_CA53_SCU, R8A7795_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A7795_PD_CA53_CPU0, R8A7795_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu1", 0x200, 1, R8A7795_PD_CA53_CPU1, R8A7795_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu2", 0x200, 2, R8A7795_PD_CA53_CPU2, R8A7795_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu3", 0x200, 3, R8A7795_PD_CA53_CPU3, R8A7795_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "a3vp", 0x340, 0, R8A7795_PD_A3VP, R8A7795_PD_ALWAYS_ON },
+ { "cr7", 0x240, 0, R8A7795_PD_CR7, R8A7795_PD_ALWAYS_ON },
+ { "a3vc", 0x380, 0, R8A7795_PD_A3VC, R8A7795_PD_ALWAYS_ON },
+ { "a2vc1", 0x3c0, 1, R8A7795_PD_A2VC1, R8A7795_PD_A3VC },
+ { "3dg-a", 0x100, 0, R8A7795_PD_3DG_A, R8A7795_PD_ALWAYS_ON },
+ { "3dg-b", 0x100, 1, R8A7795_PD_3DG_B, R8A7795_PD_3DG_A },
+ { "3dg-c", 0x100, 2, R8A7795_PD_3DG_C, R8A7795_PD_3DG_B },
+ { "3dg-d", 0x100, 3, R8A7795_PD_3DG_D, R8A7795_PD_3DG_C },
+ { "3dg-e", 0x100, 4, R8A7795_PD_3DG_E, R8A7795_PD_3DG_D },
+ { "a3ir", 0x180, 0, R8A7795_PD_A3IR, R8A7795_PD_ALWAYS_ON },
+};
+
+
+ /*
+ * Fixups for R-Car H3 revisions
+ */
+
+#define NO_EXTMASK BIT(1) /* Missing SYSCEXTMASK register */
+
+static const struct soc_device_attribute r8a7795_quirks_match[] __initconst = {
+ {
+ .soc_id = "r8a7795", .revision = "ES2.*",
+ .data = (void *)(NO_EXTMASK),
+ },
+ { /* sentinel */ }
+};
+
+static int __init r8a7795_sysc_init(void)
+{
+ const struct soc_device_attribute *attr;
+ u32 quirks = 0;
+
+ attr = soc_device_match(r8a7795_quirks_match);
+ if (attr)
+ quirks = (uintptr_t)attr->data;
+
+ if (quirks & NO_EXTMASK)
+ r8a7795_sysc_info.extmask_val = 0;
+
+ return 0;
+}
+
+struct rcar_sysc_info r8a7795_sysc_info __initdata = {
+ .init = r8a7795_sysc_init,
+ .areas = r8a7795_areas,
+ .num_areas = ARRAY_SIZE(r8a7795_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car M3-W/W+ System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ * Copyright (C) 2018-2019 Renesas Electronics Corporation
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7796-sysc.h>
+
+#include "rcar-sysc.h"
+
+static struct rcar_sysc_area r8a7796_areas[] __initdata = {
+ { "always-on", 0, 0, R8A7796_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca57-scu", 0x1c0, 0, R8A7796_PD_CA57_SCU, R8A7796_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca57-cpu0", 0x80, 0, R8A7796_PD_CA57_CPU0, R8A7796_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca57-cpu1", 0x80, 1, R8A7796_PD_CA57_CPU1, R8A7796_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca53-scu", 0x140, 0, R8A7796_PD_CA53_SCU, R8A7796_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A7796_PD_CA53_CPU0, R8A7796_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu1", 0x200, 1, R8A7796_PD_CA53_CPU1, R8A7796_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu2", 0x200, 2, R8A7796_PD_CA53_CPU2, R8A7796_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu3", 0x200, 3, R8A7796_PD_CA53_CPU3, R8A7796_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "cr7", 0x240, 0, R8A7796_PD_CR7, R8A7796_PD_ALWAYS_ON },
+ { "a3vc", 0x380, 0, R8A7796_PD_A3VC, R8A7796_PD_ALWAYS_ON },
+ { "a2vc0", 0x3c0, 0, R8A7796_PD_A2VC0, R8A7796_PD_A3VC },
+ { "a2vc1", 0x3c0, 1, R8A7796_PD_A2VC1, R8A7796_PD_A3VC },
+ { "3dg-a", 0x100, 0, R8A7796_PD_3DG_A, R8A7796_PD_ALWAYS_ON },
+ { "3dg-b", 0x100, 1, R8A7796_PD_3DG_B, R8A7796_PD_3DG_A },
+ { "a3ir", 0x180, 0, R8A7796_PD_A3IR, R8A7796_PD_ALWAYS_ON },
+};
+
+
+#ifdef CONFIG_SYSC_R8A77960
+const struct rcar_sysc_info r8a77960_sysc_info __initconst = {
+ .areas = r8a7796_areas,
+ .num_areas = ARRAY_SIZE(r8a7796_areas),
+};
+#endif /* CONFIG_SYSC_R8A77960 */
+
+#ifdef CONFIG_SYSC_R8A77961
+static int __init r8a77961_sysc_init(void)
+{
+ rcar_sysc_nullify(r8a7796_areas, ARRAY_SIZE(r8a7796_areas),
+ R8A7796_PD_A2VC0);
+
+ return 0;
+}
+
+const struct rcar_sysc_info r8a77961_sysc_info __initconst = {
+ .init = r8a77961_sysc_init,
+ .areas = r8a7796_areas,
+ .num_areas = ARRAY_SIZE(r8a7796_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
+};
+#endif /* CONFIG_SYSC_R8A77961 */
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car M3-N System Controller
+ * Copyright (C) 2018 Jacopo Mondi <jacopo+renesas@jmondi.org>
+ *
+ * Based on Renesas R-Car M3-W System Controller
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a77965-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a77965_areas[] __initconst = {
+ { "always-on", 0, 0, R8A77965_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca57-scu", 0x1c0, 0, R8A77965_PD_CA57_SCU, R8A77965_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca57-cpu0", 0x80, 0, R8A77965_PD_CA57_CPU0, R8A77965_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca57-cpu1", 0x80, 1, R8A77965_PD_CA57_CPU1, R8A77965_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "cr7", 0x240, 0, R8A77965_PD_CR7, R8A77965_PD_ALWAYS_ON },
+ { "a3vc", 0x380, 0, R8A77965_PD_A3VC, R8A77965_PD_ALWAYS_ON },
+ { "a3vp", 0x340, 0, R8A77965_PD_A3VP, R8A77965_PD_ALWAYS_ON },
+ { "a2vc1", 0x3c0, 1, R8A77965_PD_A2VC1, R8A77965_PD_A3VC },
+ { "3dg-a", 0x100, 0, R8A77965_PD_3DG_A, R8A77965_PD_ALWAYS_ON },
+ { "3dg-b", 0x100, 1, R8A77965_PD_3DG_B, R8A77965_PD_3DG_A },
+};
+
+const struct rcar_sysc_info r8a77965_sysc_info __initconst = {
+ .areas = r8a77965_areas,
+ .num_areas = ARRAY_SIZE(r8a77965_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car V3M System Controller
+ *
+ * Copyright (C) 2017 Cogent Embedded Inc.
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a77970-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a77970_areas[] __initconst = {
+ { "always-on", 0, 0, R8A77970_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca53-scu", 0x140, 0, R8A77970_PD_CA53_SCU, R8A77970_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A77970_PD_CA53_CPU0, R8A77970_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu1", 0x200, 1, R8A77970_PD_CA53_CPU1, R8A77970_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "a3ir", 0x180, 0, R8A77970_PD_A3IR, R8A77970_PD_ALWAYS_ON },
+ { "a2ir0", 0x400, 0, R8A77970_PD_A2IR0, R8A77970_PD_A3IR },
+ { "a2ir1", 0x400, 1, R8A77970_PD_A2IR1, R8A77970_PD_A3IR },
+ { "a2dp", 0x400, 2, R8A77970_PD_A2DP, R8A77970_PD_A3IR },
+ { "a2cn", 0x400, 3, R8A77970_PD_A2CN, R8A77970_PD_A3IR },
+ { "a2sc0", 0x400, 4, R8A77970_PD_A2SC0, R8A77970_PD_A3IR },
+ { "a2sc1", 0x400, 5, R8A77970_PD_A2SC1, R8A77970_PD_A3IR },
+};
+
+const struct rcar_sysc_info r8a77970_sysc_info __initconst = {
+ .areas = r8a77970_areas,
+ .num_areas = ARRAY_SIZE(r8a77970_areas),
+ .extmask_offs = 0x1b0,
+ .extmask_val = BIT(0),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car V3H System Controller
+ *
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ * Copyright (C) 2018 Cogent Embedded, Inc.
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a77980-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a77980_areas[] __initconst = {
+ { "always-on", 0, 0, R8A77980_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca53-scu", 0x140, 0, R8A77980_PD_CA53_SCU, R8A77980_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A77980_PD_CA53_CPU0, R8A77980_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu1", 0x200, 1, R8A77980_PD_CA53_CPU1, R8A77980_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu2", 0x200, 2, R8A77980_PD_CA53_CPU2, R8A77980_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu3", 0x200, 3, R8A77980_PD_CA53_CPU3, R8A77980_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "cr7", 0x240, 0, R8A77980_PD_CR7, R8A77980_PD_ALWAYS_ON },
+ { "a3ir", 0x180, 0, R8A77980_PD_A3IR, R8A77980_PD_ALWAYS_ON },
+ { "a2ir0", 0x400, 0, R8A77980_PD_A2IR0, R8A77980_PD_A3IR },
+ { "a2ir1", 0x400, 1, R8A77980_PD_A2IR1, R8A77980_PD_A3IR },
+ { "a2ir2", 0x400, 2, R8A77980_PD_A2IR2, R8A77980_PD_A3IR },
+ { "a2ir3", 0x400, 3, R8A77980_PD_A2IR3, R8A77980_PD_A3IR },
+ { "a2ir4", 0x400, 4, R8A77980_PD_A2IR4, R8A77980_PD_A3IR },
+ { "a2ir5", 0x400, 5, R8A77980_PD_A2IR5, R8A77980_PD_A3IR },
+ { "a2sc0", 0x400, 6, R8A77980_PD_A2SC0, R8A77980_PD_A3IR },
+ { "a2sc1", 0x400, 7, R8A77980_PD_A2SC1, R8A77980_PD_A3IR },
+ { "a2sc2", 0x400, 8, R8A77980_PD_A2SC2, R8A77980_PD_A3IR },
+ { "a2sc3", 0x400, 9, R8A77980_PD_A2SC3, R8A77980_PD_A3IR },
+ { "a2sc4", 0x400, 10, R8A77980_PD_A2SC4, R8A77980_PD_A3IR },
+ { "a2dp0", 0x400, 11, R8A77980_PD_A2DP0, R8A77980_PD_A3IR },
+ { "a2dp1", 0x400, 12, R8A77980_PD_A2DP1, R8A77980_PD_A3IR },
+ { "a2cn", 0x400, 13, R8A77980_PD_A2CN, R8A77980_PD_A3IR },
+ { "a3vip0", 0x2c0, 0, R8A77980_PD_A3VIP0, R8A77980_PD_ALWAYS_ON },
+ { "a3vip1", 0x300, 0, R8A77980_PD_A3VIP1, R8A77980_PD_ALWAYS_ON },
+ { "a3vip2", 0x280, 0, R8A77980_PD_A3VIP2, R8A77980_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a77980_sysc_info __initconst = {
+ .areas = r8a77980_areas,
+ .num_areas = ARRAY_SIZE(r8a77980_areas),
+ .extmask_offs = 0x138,
+ .extmask_val = BIT(0),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car E3 System Controller
+ *
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+#include <linux/sys_soc.h>
+
+#include <dt-bindings/power/r8a77990-sysc.h>
+
+#include "rcar-sysc.h"
+
+static struct rcar_sysc_area r8a77990_areas[] __initdata = {
+ { "always-on", 0, 0, R8A77990_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca53-scu", 0x140, 0, R8A77990_PD_CA53_SCU, R8A77990_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A77990_PD_CA53_CPU0, R8A77990_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu1", 0x200, 1, R8A77990_PD_CA53_CPU1, R8A77990_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "cr7", 0x240, 0, R8A77990_PD_CR7, R8A77990_PD_ALWAYS_ON },
+ { "a3vc", 0x380, 0, R8A77990_PD_A3VC, R8A77990_PD_ALWAYS_ON },
+ { "a2vc1", 0x3c0, 1, R8A77990_PD_A2VC1, R8A77990_PD_A3VC },
+ { "3dg-a", 0x100, 0, R8A77990_PD_3DG_A, R8A77990_PD_ALWAYS_ON },
+ { "3dg-b", 0x100, 1, R8A77990_PD_3DG_B, R8A77990_PD_3DG_A },
+};
+
+/* Fixups for R-Car E3 ES1.0 revision */
+static const struct soc_device_attribute r8a77990[] __initconst = {
+ { .soc_id = "r8a77990", .revision = "ES1.0" },
+ { /* sentinel */ }
+};
+
+static int __init r8a77990_sysc_init(void)
+{
+ if (soc_device_match(r8a77990)) {
+ /* Fix incorrect 3DG hierarchy */
+ swap(r8a77990_areas[7], r8a77990_areas[8]);
+ r8a77990_areas[7].parent = R8A77990_PD_ALWAYS_ON;
+ r8a77990_areas[8].parent = R8A77990_PD_3DG_B;
+ }
+
+ return 0;
+}
+
+const struct rcar_sysc_info r8a77990_sysc_info __initconst = {
+ .init = r8a77990_sysc_init,
+ .areas = r8a77990_areas,
+ .num_areas = ARRAY_SIZE(r8a77990_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car D3 System Controller
+ *
+ * Copyright (C) 2017 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a77995-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a77995_areas[] __initconst = {
+ { "always-on", 0, 0, R8A77995_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca53-scu", 0x140, 0, R8A77995_PD_CA53_SCU, R8A77995_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A77995_PD_CA53_CPU0, R8A77995_PD_CA53_SCU,
+ PD_CPU_NOCR },
+};
+
+
+const struct rcar_sysc_info r8a77995_sysc_info __initconst = {
+ .areas = r8a77995_areas,
+ .num_areas = ARRAY_SIZE(r8a77995_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car V3U System Controller
+ *
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ */
+
+#include <linux/bits.h>
+#include <linux/clk/renesas.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/of_address.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include <dt-bindings/power/r8a779a0-sysc.h>
+
+#include "rcar-gen4-sysc.h"
+
+static struct rcar_gen4_sysc_area r8a779a0_areas[] __initdata = {
+ { "always-on", R8A779A0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "a3e0", R8A779A0_PD_A3E0, R8A779A0_PD_ALWAYS_ON, PD_SCU },
+ { "a3e1", R8A779A0_PD_A3E1, R8A779A0_PD_ALWAYS_ON, PD_SCU },
+ { "a2e0d0", R8A779A0_PD_A2E0D0, R8A779A0_PD_A3E0, PD_SCU },
+ { "a2e0d1", R8A779A0_PD_A2E0D1, R8A779A0_PD_A3E0, PD_SCU },
+ { "a2e1d0", R8A779A0_PD_A2E1D0, R8A779A0_PD_A3E1, PD_SCU },
+ { "a2e1d1", R8A779A0_PD_A2E1D1, R8A779A0_PD_A3E1, PD_SCU },
+ { "a1e0d0c0", R8A779A0_PD_A1E0D0C0, R8A779A0_PD_A2E0D0, PD_CPU_NOCR },
+ { "a1e0d0c1", R8A779A0_PD_A1E0D0C1, R8A779A0_PD_A2E0D0, PD_CPU_NOCR },
+ { "a1e0d1c0", R8A779A0_PD_A1E0D1C0, R8A779A0_PD_A2E0D1, PD_CPU_NOCR },
+ { "a1e0d1c1", R8A779A0_PD_A1E0D1C1, R8A779A0_PD_A2E0D1, PD_CPU_NOCR },
+ { "a1e1d0c0", R8A779A0_PD_A1E1D0C0, R8A779A0_PD_A2E1D0, PD_CPU_NOCR },
+ { "a1e1d0c1", R8A779A0_PD_A1E1D0C1, R8A779A0_PD_A2E1D0, PD_CPU_NOCR },
+ { "a1e1d1c0", R8A779A0_PD_A1E1D1C0, R8A779A0_PD_A2E1D1, PD_CPU_NOCR },
+ { "a1e1d1c1", R8A779A0_PD_A1E1D1C1, R8A779A0_PD_A2E1D1, PD_CPU_NOCR },
+ { "3dg-a", R8A779A0_PD_3DG_A, R8A779A0_PD_ALWAYS_ON },
+ { "3dg-b", R8A779A0_PD_3DG_B, R8A779A0_PD_3DG_A },
+ { "a3vip0", R8A779A0_PD_A3VIP0, R8A779A0_PD_ALWAYS_ON },
+ { "a3vip1", R8A779A0_PD_A3VIP1, R8A779A0_PD_ALWAYS_ON },
+ { "a3vip3", R8A779A0_PD_A3VIP3, R8A779A0_PD_ALWAYS_ON },
+ { "a3vip2", R8A779A0_PD_A3VIP2, R8A779A0_PD_ALWAYS_ON },
+ { "a3isp01", R8A779A0_PD_A3ISP01, R8A779A0_PD_ALWAYS_ON },
+ { "a3isp23", R8A779A0_PD_A3ISP23, R8A779A0_PD_ALWAYS_ON },
+ { "a3ir", R8A779A0_PD_A3IR, R8A779A0_PD_ALWAYS_ON },
+ { "a2cn0", R8A779A0_PD_A2CN0, R8A779A0_PD_A3IR },
+ { "a2imp01", R8A779A0_PD_A2IMP01, R8A779A0_PD_A3IR },
+ { "a2dp0", R8A779A0_PD_A2DP0, R8A779A0_PD_A3IR },
+ { "a2cv0", R8A779A0_PD_A2CV0, R8A779A0_PD_A3IR },
+ { "a2cv1", R8A779A0_PD_A2CV1, R8A779A0_PD_A3IR },
+ { "a2cv4", R8A779A0_PD_A2CV4, R8A779A0_PD_A3IR },
+ { "a2cv6", R8A779A0_PD_A2CV6, R8A779A0_PD_A3IR },
+ { "a2cn2", R8A779A0_PD_A2CN2, R8A779A0_PD_A3IR },
+ { "a2imp23", R8A779A0_PD_A2IMP23, R8A779A0_PD_A3IR },
+ { "a2dp1", R8A779A0_PD_A2DP1, R8A779A0_PD_A3IR },
+ { "a2cv2", R8A779A0_PD_A2CV2, R8A779A0_PD_A3IR },
+ { "a2cv3", R8A779A0_PD_A2CV3, R8A779A0_PD_A3IR },
+ { "a2cv5", R8A779A0_PD_A2CV5, R8A779A0_PD_A3IR },
+ { "a2cv7", R8A779A0_PD_A2CV7, R8A779A0_PD_A3IR },
+ { "a2cn1", R8A779A0_PD_A2CN1, R8A779A0_PD_A3IR },
+ { "a1cnn0", R8A779A0_PD_A1CNN0, R8A779A0_PD_A2CN0 },
+ { "a1cnn2", R8A779A0_PD_A1CNN2, R8A779A0_PD_A2CN2 },
+ { "a1dsp0", R8A779A0_PD_A1DSP0, R8A779A0_PD_A2CN2 },
+ { "a1cnn1", R8A779A0_PD_A1CNN1, R8A779A0_PD_A2CN1 },
+ { "a1dsp1", R8A779A0_PD_A1DSP1, R8A779A0_PD_A2CN1 },
+};
+
+const struct rcar_gen4_sysc_info r8a779a0_sysc_info __initconst = {
+ .areas = r8a779a0_areas,
+ .num_areas = ARRAY_SIZE(r8a779a0_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car S4-8 System Controller
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ */
+
+#include <linux/bits.h>
+#include <linux/clk/renesas.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/of_address.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include <dt-bindings/power/r8a779f0-sysc.h>
+
+#include "rcar-gen4-sysc.h"
+
+static struct rcar_gen4_sysc_area r8a779f0_areas[] __initdata = {
+ { "always-on", R8A779F0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "a3e0", R8A779F0_PD_A3E0, R8A779F0_PD_ALWAYS_ON, PD_SCU },
+ { "a3e1", R8A779F0_PD_A3E1, R8A779F0_PD_ALWAYS_ON, PD_SCU },
+ { "a2e0d0", R8A779F0_PD_A2E0D0, R8A779F0_PD_A3E0, PD_SCU },
+ { "a2e0d1", R8A779F0_PD_A2E0D1, R8A779F0_PD_A3E0, PD_SCU },
+ { "a2e1d0", R8A779F0_PD_A2E1D0, R8A779F0_PD_A3E1, PD_SCU },
+ { "a2e1d1", R8A779F0_PD_A2E1D1, R8A779F0_PD_A3E1, PD_SCU },
+ { "a1e0d0c0", R8A779F0_PD_A1E0D0C0, R8A779F0_PD_A2E0D0, PD_CPU_NOCR },
+ { "a1e0d0c1", R8A779F0_PD_A1E0D0C1, R8A779F0_PD_A2E0D0, PD_CPU_NOCR },
+ { "a1e0d1c0", R8A779F0_PD_A1E0D1C0, R8A779F0_PD_A2E0D1, PD_CPU_NOCR },
+ { "a1e0d1c1", R8A779F0_PD_A1E0D1C1, R8A779F0_PD_A2E0D1, PD_CPU_NOCR },
+ { "a1e1d0c0", R8A779F0_PD_A1E1D0C0, R8A779F0_PD_A2E1D0, PD_CPU_NOCR },
+ { "a1e1d0c1", R8A779F0_PD_A1E1D0C1, R8A779F0_PD_A2E1D0, PD_CPU_NOCR },
+ { "a1e1d1c0", R8A779F0_PD_A1E1D1C0, R8A779F0_PD_A2E1D1, PD_CPU_NOCR },
+ { "a1e1d1c1", R8A779F0_PD_A1E1D1C1, R8A779F0_PD_A2E1D1, PD_CPU_NOCR },
+};
+
+const struct rcar_gen4_sysc_info r8a779f0_sysc_info __initconst = {
+ .areas = r8a779f0_areas,
+ .num_areas = ARRAY_SIZE(r8a779f0_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car V4H System Controller
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+
+#include <linux/bits.h>
+#include <linux/clk/renesas.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/of_address.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include <dt-bindings/power/r8a779g0-sysc.h>
+
+#include "rcar-gen4-sysc.h"
+
+static struct rcar_gen4_sysc_area r8a779g0_areas[] __initdata = {
+ { "always-on", R8A779G0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "a3e0", R8A779G0_PD_A3E0, R8A779G0_PD_ALWAYS_ON, PD_SCU },
+ { "a2e0d0", R8A779G0_PD_A2E0D0, R8A779G0_PD_A3E0, PD_SCU },
+ { "a2e0d1", R8A779G0_PD_A2E0D1, R8A779G0_PD_A3E0, PD_SCU },
+ { "a1e0d0c0", R8A779G0_PD_A1E0D0C0, R8A779G0_PD_A2E0D0, PD_CPU_NOCR },
+ { "a1e0d0c1", R8A779G0_PD_A1E0D0C1, R8A779G0_PD_A2E0D0, PD_CPU_NOCR },
+ { "a1e0d1c0", R8A779G0_PD_A1E0D1C0, R8A779G0_PD_A2E0D1, PD_CPU_NOCR },
+ { "a1e0d1c1", R8A779G0_PD_A1E0D1C1, R8A779G0_PD_A2E0D1, PD_CPU_NOCR },
+ { "a33dga", R8A779G0_PD_A33DGA, R8A779G0_PD_ALWAYS_ON },
+ { "a23dgb", R8A779G0_PD_A23DGB, R8A779G0_PD_A33DGA },
+ { "a3vip0", R8A779G0_PD_A3VIP0, R8A779G0_PD_ALWAYS_ON },
+ { "a3vip1", R8A779G0_PD_A3VIP1, R8A779G0_PD_ALWAYS_ON },
+ { "a3vip2", R8A779G0_PD_A3VIP2, R8A779G0_PD_ALWAYS_ON },
+ { "a3dul", R8A779G0_PD_A3DUL, R8A779G0_PD_ALWAYS_ON },
+ { "a3isp0", R8A779G0_PD_A3ISP0, R8A779G0_PD_ALWAYS_ON },
+ { "a3isp1", R8A779G0_PD_A3ISP1, R8A779G0_PD_ALWAYS_ON },
+ { "a3ir", R8A779G0_PD_A3IR, R8A779G0_PD_ALWAYS_ON },
+ { "a2cn0", R8A779G0_PD_A2CN0, R8A779G0_PD_A3IR },
+ { "a1cnn0", R8A779G0_PD_A1CNN0, R8A779G0_PD_A2CN0 },
+ { "a1dsp0", R8A779G0_PD_A1DSP0, R8A779G0_PD_A2CN0 },
+ { "a1dsp1", R8A779G0_PD_A1DSP1, R8A779G0_PD_A2CN0 },
+ { "a1dsp2", R8A779G0_PD_A1DSP2, R8A779G0_PD_A2CN0 },
+ { "a1dsp3", R8A779G0_PD_A1DSP3, R8A779G0_PD_A2CN0 },
+ { "a2imp01", R8A779G0_PD_A2IMP01, R8A779G0_PD_A3IR },
+ { "a2imp23", R8A779G0_PD_A2IMP23, R8A779G0_PD_A3IR },
+ { "a2psc", R8A779G0_PD_A2PSC, R8A779G0_PD_A3IR },
+ { "a2dma", R8A779G0_PD_A2DMA, R8A779G0_PD_A3IR },
+ { "a2cv0", R8A779G0_PD_A2CV0, R8A779G0_PD_A3IR },
+ { "a2cv1", R8A779G0_PD_A2CV1, R8A779G0_PD_A3IR },
+ { "a2cv2", R8A779G0_PD_A2CV2, R8A779G0_PD_A3IR },
+ { "a2cv3", R8A779G0_PD_A2CV3, R8A779G0_PD_A3IR },
+};
+
+const struct rcar_gen4_sysc_info r8a779g0_sysc_info __initconst = {
+ .areas = r8a779g0_areas,
+ .num_areas = ARRAY_SIZE(r8a779g0_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * R-Car Gen4 SYSC Power management support
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ */
+
+#include <linux/bits.h>
+#include <linux/clk/renesas.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/of_address.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include "rcar-gen4-sysc.h"
+
+/* SYSC Common */
+#define SYSCSR 0x000 /* SYSC Status Register */
+#define SYSCPONSR(x) (0x800 + ((x) * 0x4)) /* Power-ON Status Register 0 */
+#define SYSCPOFFSR(x) (0x808 + ((x) * 0x4)) /* Power-OFF Status Register */
+#define SYSCISCR(x) (0x810 + ((x) * 0x4)) /* Interrupt Status/Clear Register */
+#define SYSCIER(x) (0x820 + ((x) * 0x4)) /* Interrupt Enable Register */
+#define SYSCIMR(x) (0x830 + ((x) * 0x4)) /* Interrupt Mask Register */
+
+/* Power Domain Registers */
+#define PDRSR(n) (0x1000 + ((n) * 0x40))
+#define PDRONCR(n) (0x1004 + ((n) * 0x40))
+#define PDROFFCR(n) (0x1008 + ((n) * 0x40))
+#define PDRESR(n) (0x100C + ((n) * 0x40))
+
+/* PWRON/PWROFF */
+#define PWRON_PWROFF BIT(0) /* Power-ON/OFF request */
+
+/* PDRESR */
+#define PDRESR_ERR BIT(0)
+
+/* PDRSR */
+#define PDRSR_OFF BIT(0) /* Power-OFF state */
+#define PDRSR_ON BIT(4) /* Power-ON state */
+#define PDRSR_OFF_STATE BIT(8) /* Processing Power-OFF sequence */
+#define PDRSR_ON_STATE BIT(12) /* Processing Power-ON sequence */
+
+#define SYSCSR_BUSY GENMASK(1, 0) /* All bit sets is not busy */
+
+#define SYSCSR_TIMEOUT 10000
+#define SYSCSR_DELAY_US 10
+
+#define PDRESR_RETRIES 1000
+#define PDRESR_DELAY_US 10
+
+#define SYSCISR_TIMEOUT 10000
+#define SYSCISR_DELAY_US 10
+
+#define RCAR_GEN4_PD_ALWAYS_ON 64
+#define NUM_DOMAINS_EACH_REG BITS_PER_TYPE(u32)
+
+static void __iomem *rcar_gen4_sysc_base;
+static DEFINE_SPINLOCK(rcar_gen4_sysc_lock); /* SMP CPUs + I/O devices */
+
+static int rcar_gen4_sysc_pwr_on_off(u8 pdr, bool on)
+{
+ unsigned int reg_offs;
+ u32 val;
+ int ret;
+
+ if (on)
+ reg_offs = PDRONCR(pdr);
+ else
+ reg_offs = PDROFFCR(pdr);
+
+ /* Wait until SYSC is ready to accept a power request */
+ ret = readl_poll_timeout_atomic(rcar_gen4_sysc_base + SYSCSR, val,
+ (val & SYSCSR_BUSY) == SYSCSR_BUSY,
+ SYSCSR_DELAY_US, SYSCSR_TIMEOUT);
+ if (ret < 0)
+ return -EAGAIN;
+
+ /* Submit power shutoff or power resume request */
+ iowrite32(PWRON_PWROFF, rcar_gen4_sysc_base + reg_offs);
+
+ return 0;
+}
+
+static int clear_irq_flags(unsigned int reg_idx, unsigned int isr_mask)
+{
+ u32 val;
+ int ret;
+
+ iowrite32(isr_mask, rcar_gen4_sysc_base + SYSCISCR(reg_idx));
+
+ ret = readl_poll_timeout_atomic(rcar_gen4_sysc_base + SYSCISCR(reg_idx),
+ val, !(val & isr_mask),
+ SYSCISR_DELAY_US, SYSCISR_TIMEOUT);
+ if (ret < 0) {
+ pr_err("\n %s : Can not clear IRQ flags in SYSCISCR", __func__);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int rcar_gen4_sysc_power(u8 pdr, bool on)
+{
+ unsigned int isr_mask;
+ unsigned int reg_idx, bit_idx;
+ unsigned int status;
+ unsigned long flags;
+ int ret = 0;
+ u32 val;
+ int k;
+
+ spin_lock_irqsave(&rcar_gen4_sysc_lock, flags);
+
+ reg_idx = pdr / NUM_DOMAINS_EACH_REG;
+ bit_idx = pdr % NUM_DOMAINS_EACH_REG;
+
+ isr_mask = BIT(bit_idx);
+
+ /*
+ * The interrupt source needs to be enabled, but masked, to prevent the
+ * CPU from receiving it.
+ */
+ iowrite32(ioread32(rcar_gen4_sysc_base + SYSCIER(reg_idx)) | isr_mask,
+ rcar_gen4_sysc_base + SYSCIER(reg_idx));
+ iowrite32(ioread32(rcar_gen4_sysc_base + SYSCIMR(reg_idx)) | isr_mask,
+ rcar_gen4_sysc_base + SYSCIMR(reg_idx));
+
+ ret = clear_irq_flags(reg_idx, isr_mask);
+ if (ret)
+ goto out;
+
+ /* Submit power shutoff or resume request until it was accepted */
+ for (k = 0; k < PDRESR_RETRIES; k++) {
+ ret = rcar_gen4_sysc_pwr_on_off(pdr, on);
+ if (ret)
+ goto out;
+
+ status = ioread32(rcar_gen4_sysc_base + PDRESR(pdr));
+ if (!(status & PDRESR_ERR))
+ break;
+
+ udelay(PDRESR_DELAY_US);
+ }
+
+ if (k == PDRESR_RETRIES) {
+ ret = -EIO;
+ goto out;
+ }
+
+ /* Wait until the power shutoff or resume request has completed * */
+ ret = readl_poll_timeout_atomic(rcar_gen4_sysc_base + SYSCISCR(reg_idx),
+ val, (val & isr_mask),
+ SYSCISR_DELAY_US, SYSCISR_TIMEOUT);
+ if (ret < 0) {
+ ret = -EIO;
+ goto out;
+ }
+
+ /* Clear interrupt flags */
+ ret = clear_irq_flags(reg_idx, isr_mask);
+ if (ret)
+ goto out;
+
+ out:
+ spin_unlock_irqrestore(&rcar_gen4_sysc_lock, flags);
+
+ pr_debug("sysc power %s domain %d: %08x -> %d\n", on ? "on" : "off",
+ pdr, ioread32(rcar_gen4_sysc_base + SYSCISCR(reg_idx)), ret);
+ return ret;
+}
+
+static bool rcar_gen4_sysc_power_is_off(u8 pdr)
+{
+ unsigned int st;
+
+ st = ioread32(rcar_gen4_sysc_base + PDRSR(pdr));
+
+ if (st & PDRSR_OFF)
+ return true;
+
+ return false;
+}
+
+struct rcar_gen4_sysc_pd {
+ struct generic_pm_domain genpd;
+ u8 pdr;
+ unsigned int flags;
+ char name[];
+};
+
+static inline struct rcar_gen4_sysc_pd *to_rcar_gen4_pd(struct generic_pm_domain *d)
+{
+ return container_of(d, struct rcar_gen4_sysc_pd, genpd);
+}
+
+static int rcar_gen4_sysc_pd_power_off(struct generic_pm_domain *genpd)
+{
+ struct rcar_gen4_sysc_pd *pd = to_rcar_gen4_pd(genpd);
+
+ pr_debug("%s: %s\n", __func__, genpd->name);
+ return rcar_gen4_sysc_power(pd->pdr, false);
+}
+
+static int rcar_gen4_sysc_pd_power_on(struct generic_pm_domain *genpd)
+{
+ struct rcar_gen4_sysc_pd *pd = to_rcar_gen4_pd(genpd);
+
+ pr_debug("%s: %s\n", __func__, genpd->name);
+ return rcar_gen4_sysc_power(pd->pdr, true);
+}
+
+static int __init rcar_gen4_sysc_pd_setup(struct rcar_gen4_sysc_pd *pd)
+{
+ struct generic_pm_domain *genpd = &pd->genpd;
+ const char *name = pd->genpd.name;
+ int error;
+
+ if (pd->flags & PD_CPU) {
+ /*
+ * This domain contains a CPU core and therefore it should
+ * only be turned off if the CPU is not in use.
+ */
+ pr_debug("PM domain %s contains %s\n", name, "CPU");
+ genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+ } else if (pd->flags & PD_SCU) {
+ /*
+ * This domain contains an SCU and cache-controller, and
+ * therefore it should only be turned off if the CPU cores are
+ * not in use.
+ */
+ pr_debug("PM domain %s contains %s\n", name, "SCU");
+ genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+ } else if (pd->flags & PD_NO_CR) {
+ /*
+ * This domain cannot be turned off.
+ */
+ genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+ }
+
+ if (!(pd->flags & (PD_CPU | PD_SCU))) {
+ /* Enable Clock Domain for I/O devices */
+ genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
+ genpd->attach_dev = cpg_mssr_attach_dev;
+ genpd->detach_dev = cpg_mssr_detach_dev;
+ }
+
+ genpd->power_off = rcar_gen4_sysc_pd_power_off;
+ genpd->power_on = rcar_gen4_sysc_pd_power_on;
+
+ if (pd->flags & (PD_CPU | PD_NO_CR)) {
+ /* Skip CPUs (handled by SMP code) and areas without control */
+ pr_debug("%s: Not touching %s\n", __func__, genpd->name);
+ goto finalize;
+ }
+
+ if (!rcar_gen4_sysc_power_is_off(pd->pdr)) {
+ pr_debug("%s: %s is already powered\n", __func__, genpd->name);
+ goto finalize;
+ }
+
+ rcar_gen4_sysc_power(pd->pdr, true);
+
+finalize:
+ error = pm_genpd_init(genpd, &simple_qos_governor, false);
+ if (error)
+ pr_err("Failed to init PM domain %s: %d\n", name, error);
+
+ return error;
+}
+
+static const struct of_device_id rcar_gen4_sysc_matches[] __initconst = {
+#ifdef CONFIG_SYSC_R8A779A0
+ { .compatible = "renesas,r8a779a0-sysc", .data = &r8a779a0_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A779F0
+ { .compatible = "renesas,r8a779f0-sysc", .data = &r8a779f0_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A779G0
+ { .compatible = "renesas,r8a779g0-sysc", .data = &r8a779g0_sysc_info },
+#endif
+ { /* sentinel */ }
+};
+
+struct rcar_gen4_pm_domains {
+ struct genpd_onecell_data onecell_data;
+ struct generic_pm_domain *domains[RCAR_GEN4_PD_ALWAYS_ON + 1];
+};
+
+static struct genpd_onecell_data *rcar_gen4_sysc_onecell_data;
+
+static int __init rcar_gen4_sysc_pd_init(void)
+{
+ const struct rcar_gen4_sysc_info *info;
+ const struct of_device_id *match;
+ struct rcar_gen4_pm_domains *domains;
+ struct device_node *np;
+ void __iomem *base;
+ unsigned int i;
+ int error;
+
+ np = of_find_matching_node_and_match(NULL, rcar_gen4_sysc_matches, &match);
+ if (!np)
+ return -ENODEV;
+
+ info = match->data;
+
+ base = of_iomap(np, 0);
+ if (!base) {
+ pr_warn("%pOF: Cannot map regs\n", np);
+ error = -ENOMEM;
+ goto out_put;
+ }
+
+ rcar_gen4_sysc_base = base;
+
+ domains = kzalloc(sizeof(*domains), GFP_KERNEL);
+ if (!domains) {
+ error = -ENOMEM;
+ goto out_put;
+ }
+
+ domains->onecell_data.domains = domains->domains;
+ domains->onecell_data.num_domains = ARRAY_SIZE(domains->domains);
+ rcar_gen4_sysc_onecell_data = &domains->onecell_data;
+
+ for (i = 0; i < info->num_areas; i++) {
+ const struct rcar_gen4_sysc_area *area = &info->areas[i];
+ struct rcar_gen4_sysc_pd *pd;
+ size_t n;
+
+ if (!area->name) {
+ /* Skip NULLified area */
+ continue;
+ }
+
+ n = strlen(area->name) + 1;
+ pd = kzalloc(sizeof(*pd) + n, GFP_KERNEL);
+ if (!pd) {
+ error = -ENOMEM;
+ goto out_put;
+ }
+
+ memcpy(pd->name, area->name, n);
+ pd->genpd.name = pd->name;
+ pd->pdr = area->pdr;
+ pd->flags = area->flags;
+
+ error = rcar_gen4_sysc_pd_setup(pd);
+ if (error)
+ goto out_put;
+
+ domains->domains[area->pdr] = &pd->genpd;
+
+ if (area->parent < 0)
+ continue;
+
+ error = pm_genpd_add_subdomain(domains->domains[area->parent],
+ &pd->genpd);
+ if (error) {
+ pr_warn("Failed to add PM subdomain %s to parent %u\n",
+ area->name, area->parent);
+ goto out_put;
+ }
+ }
+
+ error = of_genpd_add_provider_onecell(np, &domains->onecell_data);
+
+out_put:
+ of_node_put(np);
+ return error;
+}
+early_initcall(rcar_gen4_sysc_pd_init);
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * R-Car Gen4 System Controller
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ */
+#ifndef __SOC_RENESAS_RCAR_GEN4_SYSC_H__
+#define __SOC_RENESAS_RCAR_GEN4_SYSC_H__
+
+#include <linux/types.h>
+
+/*
+ * Power Domain flags
+ */
+#define PD_CPU BIT(0) /* Area contains main CPU core */
+#define PD_SCU BIT(1) /* Area contains SCU and L2 cache */
+#define PD_NO_CR BIT(2) /* Area lacks PWR{ON,OFF}CR registers */
+
+#define PD_CPU_NOCR (PD_CPU | PD_NO_CR) /* CPU area lacks CR */
+#define PD_ALWAYS_ON PD_NO_CR /* Always-on area */
+
+/*
+ * Description of a Power Area
+ */
+struct rcar_gen4_sysc_area {
+ const char *name;
+ u8 pdr; /* PDRn */
+ s8 parent; /* -1 if none */
+ u8 flags; /* See PD_* */
+};
+
+/*
+ * SoC-specific Power Area Description
+ */
+struct rcar_gen4_sysc_info {
+ const struct rcar_gen4_sysc_area *areas;
+ unsigned int num_areas;
+};
+
+extern const struct rcar_gen4_sysc_info r8a779a0_sysc_info;
+extern const struct rcar_gen4_sysc_info r8a779f0_sysc_info;
+extern const struct rcar_gen4_sysc_info r8a779g0_sysc_info;
+
+#endif /* __SOC_RENESAS_RCAR_GEN4_SYSC_H__ */
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * R-Car SYSC Power management support
+ *
+ * Copyright (C) 2014 Magnus Damm
+ * Copyright (C) 2015-2017 Glider bvba
+ */
+
+#include <linux/clk/renesas.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/mm.h>
+#include <linux/of_address.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/soc/renesas/rcar-sysc.h>
+
+#include "rcar-sysc.h"
+
+/* SYSC Common */
+#define SYSCSR 0x00 /* SYSC Status Register */
+#define SYSCISR 0x04 /* Interrupt Status Register */
+#define SYSCISCR 0x08 /* Interrupt Status Clear Register */
+#define SYSCIER 0x0c /* Interrupt Enable Register */
+#define SYSCIMR 0x10 /* Interrupt Mask Register */
+
+/* SYSC Status Register */
+#define SYSCSR_PONENB 1 /* Ready for power resume requests */
+#define SYSCSR_POFFENB 0 /* Ready for power shutoff requests */
+
+/*
+ * Power Control Register Offsets inside the register block for each domain
+ * Note: The "CR" registers for ARM cores exist on H1 only
+ * Use WFI to power off, CPG/APMU to resume ARM cores on R-Car Gen2
+ * Use PSCI on R-Car Gen3
+ */
+#define PWRSR_OFFS 0x00 /* Power Status Register */
+#define PWROFFCR_OFFS 0x04 /* Power Shutoff Control Register */
+#define PWROFFSR_OFFS 0x08 /* Power Shutoff Status Register */
+#define PWRONCR_OFFS 0x0c /* Power Resume Control Register */
+#define PWRONSR_OFFS 0x10 /* Power Resume Status Register */
+#define PWRER_OFFS 0x14 /* Power Shutoff/Resume Error */
+
+
+#define SYSCSR_TIMEOUT 100
+#define SYSCSR_DELAY_US 1
+
+#define PWRER_RETRIES 100
+#define PWRER_DELAY_US 1
+
+#define SYSCISR_TIMEOUT 1000
+#define SYSCISR_DELAY_US 1
+
+#define RCAR_PD_ALWAYS_ON 32 /* Always-on power area */
+
+struct rcar_sysc_ch {
+ u16 chan_offs;
+ u8 chan_bit;
+ u8 isr_bit;
+};
+
+static void __iomem *rcar_sysc_base;
+static DEFINE_SPINLOCK(rcar_sysc_lock); /* SMP CPUs + I/O devices */
+static u32 rcar_sysc_extmask_offs, rcar_sysc_extmask_val;
+
+static int rcar_sysc_pwr_on_off(const struct rcar_sysc_ch *sysc_ch, bool on)
+{
+ unsigned int sr_bit, reg_offs;
+ u32 val;
+ int ret;
+
+ if (on) {
+ sr_bit = SYSCSR_PONENB;
+ reg_offs = PWRONCR_OFFS;
+ } else {
+ sr_bit = SYSCSR_POFFENB;
+ reg_offs = PWROFFCR_OFFS;
+ }
+
+ /* Wait until SYSC is ready to accept a power request */
+ ret = readl_poll_timeout_atomic(rcar_sysc_base + SYSCSR, val,
+ val & BIT(sr_bit), SYSCSR_DELAY_US,
+ SYSCSR_TIMEOUT);
+ if (ret)
+ return -EAGAIN;
+
+ /* Submit power shutoff or power resume request */
+ iowrite32(BIT(sysc_ch->chan_bit),
+ rcar_sysc_base + sysc_ch->chan_offs + reg_offs);
+
+ return 0;
+}
+
+static int rcar_sysc_power(const struct rcar_sysc_ch *sysc_ch, bool on)
+{
+ unsigned int isr_mask = BIT(sysc_ch->isr_bit);
+ unsigned int chan_mask = BIT(sysc_ch->chan_bit);
+ unsigned int status, k;
+ unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(&rcar_sysc_lock, flags);
+
+ /*
+ * Mask external power requests for CPU or 3DG domains
+ */
+ if (rcar_sysc_extmask_val) {
+ iowrite32(rcar_sysc_extmask_val,
+ rcar_sysc_base + rcar_sysc_extmask_offs);
+ }
+
+ /*
+ * The interrupt source needs to be enabled, but masked, to prevent the
+ * CPU from receiving it.
+ */
+ iowrite32(ioread32(rcar_sysc_base + SYSCIMR) | isr_mask,
+ rcar_sysc_base + SYSCIMR);
+ iowrite32(ioread32(rcar_sysc_base + SYSCIER) | isr_mask,
+ rcar_sysc_base + SYSCIER);
+
+ iowrite32(isr_mask, rcar_sysc_base + SYSCISCR);
+
+ /* Submit power shutoff or resume request until it was accepted */
+ for (k = 0; k < PWRER_RETRIES; k++) {
+ ret = rcar_sysc_pwr_on_off(sysc_ch, on);
+ if (ret)
+ goto out;
+
+ status = ioread32(rcar_sysc_base +
+ sysc_ch->chan_offs + PWRER_OFFS);
+ if (!(status & chan_mask))
+ break;
+
+ udelay(PWRER_DELAY_US);
+ }
+
+ if (k == PWRER_RETRIES) {
+ ret = -EIO;
+ goto out;
+ }
+
+ /* Wait until the power shutoff or resume request has completed * */
+ ret = readl_poll_timeout_atomic(rcar_sysc_base + SYSCISR, status,
+ status & isr_mask, SYSCISR_DELAY_US,
+ SYSCISR_TIMEOUT);
+ if (ret)
+ ret = -EIO;
+
+ iowrite32(isr_mask, rcar_sysc_base + SYSCISCR);
+
+ out:
+ if (rcar_sysc_extmask_val)
+ iowrite32(0, rcar_sysc_base + rcar_sysc_extmask_offs);
+
+ spin_unlock_irqrestore(&rcar_sysc_lock, flags);
+
+ pr_debug("sysc power %s domain %d: %08x -> %d\n", on ? "on" : "off",
+ sysc_ch->isr_bit, ioread32(rcar_sysc_base + SYSCISR), ret);
+ return ret;
+}
+
+static bool rcar_sysc_power_is_off(const struct rcar_sysc_ch *sysc_ch)
+{
+ unsigned int st;
+
+ st = ioread32(rcar_sysc_base + sysc_ch->chan_offs + PWRSR_OFFS);
+ if (st & BIT(sysc_ch->chan_bit))
+ return true;
+
+ return false;
+}
+
+struct rcar_sysc_pd {
+ struct generic_pm_domain genpd;
+ struct rcar_sysc_ch ch;
+ unsigned int flags;
+ char name[];
+};
+
+static inline struct rcar_sysc_pd *to_rcar_pd(struct generic_pm_domain *d)
+{
+ return container_of(d, struct rcar_sysc_pd, genpd);
+}
+
+static int rcar_sysc_pd_power_off(struct generic_pm_domain *genpd)
+{
+ struct rcar_sysc_pd *pd = to_rcar_pd(genpd);
+
+ pr_debug("%s: %s\n", __func__, genpd->name);
+ return rcar_sysc_power(&pd->ch, false);
+}
+
+static int rcar_sysc_pd_power_on(struct generic_pm_domain *genpd)
+{
+ struct rcar_sysc_pd *pd = to_rcar_pd(genpd);
+
+ pr_debug("%s: %s\n", __func__, genpd->name);
+ return rcar_sysc_power(&pd->ch, true);
+}
+
+static bool has_cpg_mstp;
+
+static int __init rcar_sysc_pd_setup(struct rcar_sysc_pd *pd)
+{
+ struct generic_pm_domain *genpd = &pd->genpd;
+ const char *name = pd->genpd.name;
+ int error;
+
+ if (pd->flags & PD_CPU) {
+ /*
+ * This domain contains a CPU core and therefore it should
+ * only be turned off if the CPU is not in use.
+ */
+ pr_debug("PM domain %s contains %s\n", name, "CPU");
+ genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+ } else if (pd->flags & PD_SCU) {
+ /*
+ * This domain contains an SCU and cache-controller, and
+ * therefore it should only be turned off if the CPU cores are
+ * not in use.
+ */
+ pr_debug("PM domain %s contains %s\n", name, "SCU");
+ genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+ } else if (pd->flags & PD_NO_CR) {
+ /*
+ * This domain cannot be turned off.
+ */
+ genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+ }
+
+ if (!(pd->flags & (PD_CPU | PD_SCU))) {
+ /* Enable Clock Domain for I/O devices */
+ genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
+ if (has_cpg_mstp) {
+ genpd->attach_dev = cpg_mstp_attach_dev;
+ genpd->detach_dev = cpg_mstp_detach_dev;
+ } else {
+ genpd->attach_dev = cpg_mssr_attach_dev;
+ genpd->detach_dev = cpg_mssr_detach_dev;
+ }
+ }
+
+ genpd->power_off = rcar_sysc_pd_power_off;
+ genpd->power_on = rcar_sysc_pd_power_on;
+
+ if (pd->flags & (PD_CPU | PD_NO_CR)) {
+ /* Skip CPUs (handled by SMP code) and areas without control */
+ pr_debug("%s: Not touching %s\n", __func__, genpd->name);
+ goto finalize;
+ }
+
+ if (!rcar_sysc_power_is_off(&pd->ch)) {
+ pr_debug("%s: %s is already powered\n", __func__, genpd->name);
+ goto finalize;
+ }
+
+ rcar_sysc_power(&pd->ch, true);
+
+finalize:
+ error = pm_genpd_init(genpd, &simple_qos_governor, false);
+ if (error)
+ pr_err("Failed to init PM domain %s: %d\n", name, error);
+
+ return error;
+}
+
+static const struct of_device_id rcar_sysc_matches[] __initconst = {
+#ifdef CONFIG_SYSC_R8A7742
+ { .compatible = "renesas,r8a7742-sysc", .data = &r8a7742_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7743
+ { .compatible = "renesas,r8a7743-sysc", .data = &r8a7743_sysc_info },
+ /* RZ/G1N is identical to RZ/G2M w.r.t. power domains. */
+ { .compatible = "renesas,r8a7744-sysc", .data = &r8a7743_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7745
+ { .compatible = "renesas,r8a7745-sysc", .data = &r8a7745_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77470
+ { .compatible = "renesas,r8a77470-sysc", .data = &r8a77470_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A774A1
+ { .compatible = "renesas,r8a774a1-sysc", .data = &r8a774a1_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A774B1
+ { .compatible = "renesas,r8a774b1-sysc", .data = &r8a774b1_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A774C0
+ { .compatible = "renesas,r8a774c0-sysc", .data = &r8a774c0_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A774E1
+ { .compatible = "renesas,r8a774e1-sysc", .data = &r8a774e1_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7779
+ { .compatible = "renesas,r8a7779-sysc", .data = &r8a7779_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7790
+ { .compatible = "renesas,r8a7790-sysc", .data = &r8a7790_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7791
+ { .compatible = "renesas,r8a7791-sysc", .data = &r8a7791_sysc_info },
+ /* R-Car M2-N is identical to R-Car M2-W w.r.t. power domains. */
+ { .compatible = "renesas,r8a7793-sysc", .data = &r8a7791_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7792
+ { .compatible = "renesas,r8a7792-sysc", .data = &r8a7792_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7794
+ { .compatible = "renesas,r8a7794-sysc", .data = &r8a7794_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7795
+ { .compatible = "renesas,r8a7795-sysc", .data = &r8a7795_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77960
+ { .compatible = "renesas,r8a7796-sysc", .data = &r8a77960_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77961
+ { .compatible = "renesas,r8a77961-sysc", .data = &r8a77961_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77965
+ { .compatible = "renesas,r8a77965-sysc", .data = &r8a77965_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77970
+ { .compatible = "renesas,r8a77970-sysc", .data = &r8a77970_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77980
+ { .compatible = "renesas,r8a77980-sysc", .data = &r8a77980_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77990
+ { .compatible = "renesas,r8a77990-sysc", .data = &r8a77990_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77995
+ { .compatible = "renesas,r8a77995-sysc", .data = &r8a77995_sysc_info },
+#endif
+ { /* sentinel */ }
+};
+
+struct rcar_pm_domains {
+ struct genpd_onecell_data onecell_data;
+ struct generic_pm_domain *domains[RCAR_PD_ALWAYS_ON + 1];
+};
+
+static struct genpd_onecell_data *rcar_sysc_onecell_data;
+
+static int __init rcar_sysc_pd_init(void)
+{
+ const struct rcar_sysc_info *info;
+ const struct of_device_id *match;
+ struct rcar_pm_domains *domains;
+ struct device_node *np;
+ void __iomem *base;
+ unsigned int i;
+ int error;
+
+ np = of_find_matching_node_and_match(NULL, rcar_sysc_matches, &match);
+ if (!np)
+ return -ENODEV;
+
+ info = match->data;
+
+ if (info->init) {
+ error = info->init();
+ if (error)
+ goto out_put;
+ }
+
+ has_cpg_mstp = of_find_compatible_node(NULL, NULL,
+ "renesas,cpg-mstp-clocks");
+
+ base = of_iomap(np, 0);
+ if (!base) {
+ pr_warn("%pOF: Cannot map regs\n", np);
+ error = -ENOMEM;
+ goto out_put;
+ }
+
+ rcar_sysc_base = base;
+
+ /* Optional External Request Mask Register */
+ rcar_sysc_extmask_offs = info->extmask_offs;
+ rcar_sysc_extmask_val = info->extmask_val;
+
+ domains = kzalloc(sizeof(*domains), GFP_KERNEL);
+ if (!domains) {
+ error = -ENOMEM;
+ goto out_put;
+ }
+
+ domains->onecell_data.domains = domains->domains;
+ domains->onecell_data.num_domains = ARRAY_SIZE(domains->domains);
+ rcar_sysc_onecell_data = &domains->onecell_data;
+
+ for (i = 0; i < info->num_areas; i++) {
+ const struct rcar_sysc_area *area = &info->areas[i];
+ struct rcar_sysc_pd *pd;
+ size_t n;
+
+ if (!area->name) {
+ /* Skip NULLified area */
+ continue;
+ }
+
+ n = strlen(area->name) + 1;
+ pd = kzalloc(sizeof(*pd) + n, GFP_KERNEL);
+ if (!pd) {
+ error = -ENOMEM;
+ goto out_put;
+ }
+
+ memcpy(pd->name, area->name, n);
+ pd->genpd.name = pd->name;
+ pd->ch.chan_offs = area->chan_offs;
+ pd->ch.chan_bit = area->chan_bit;
+ pd->ch.isr_bit = area->isr_bit;
+ pd->flags = area->flags;
+
+ error = rcar_sysc_pd_setup(pd);
+ if (error)
+ goto out_put;
+
+ domains->domains[area->isr_bit] = &pd->genpd;
+
+ if (area->parent < 0)
+ continue;
+
+ error = pm_genpd_add_subdomain(domains->domains[area->parent],
+ &pd->genpd);
+ if (error) {
+ pr_warn("Failed to add PM subdomain %s to parent %u\n",
+ area->name, area->parent);
+ goto out_put;
+ }
+ }
+
+ error = of_genpd_add_provider_onecell(np, &domains->onecell_data);
+ if (!error)
+ fwnode_dev_initialized(of_fwnode_handle(np), true);
+
+out_put:
+ of_node_put(np);
+ return error;
+}
+early_initcall(rcar_sysc_pd_init);
+
+void __init rcar_sysc_nullify(struct rcar_sysc_area *areas,
+ unsigned int num_areas, u8 id)
+{
+ unsigned int i;
+
+ for (i = 0; i < num_areas; i++)
+ if (areas[i].isr_bit == id) {
+ areas[i].name = NULL;
+ return;
+ }
+}
+
+#ifdef CONFIG_ARCH_R8A7779
+static int rcar_sysc_power_cpu(unsigned int idx, bool on)
+{
+ struct generic_pm_domain *genpd;
+ struct rcar_sysc_pd *pd;
+ unsigned int i;
+
+ if (!rcar_sysc_onecell_data)
+ return -ENODEV;
+
+ for (i = 0; i < rcar_sysc_onecell_data->num_domains; i++) {
+ genpd = rcar_sysc_onecell_data->domains[i];
+ if (!genpd)
+ continue;
+
+ pd = to_rcar_pd(genpd);
+ if (!(pd->flags & PD_CPU) || pd->ch.chan_bit != idx)
+ continue;
+
+ return rcar_sysc_power(&pd->ch, on);
+ }
+
+ return -ENOENT;
+}
+
+int rcar_sysc_power_down_cpu(unsigned int cpu)
+{
+ return rcar_sysc_power_cpu(cpu, false);
+}
+
+int rcar_sysc_power_up_cpu(unsigned int cpu)
+{
+ return rcar_sysc_power_cpu(cpu, true);
+}
+#endif /* CONFIG_ARCH_R8A7779 */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Renesas R-Car System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ */
+#ifndef __SOC_RENESAS_RCAR_SYSC_H__
+#define __SOC_RENESAS_RCAR_SYSC_H__
+
+#include <linux/types.h>
+
+
+/*
+ * Power Domain flags
+ */
+#define PD_CPU BIT(0) /* Area contains main CPU core */
+#define PD_SCU BIT(1) /* Area contains SCU and L2 cache */
+#define PD_NO_CR BIT(2) /* Area lacks PWR{ON,OFF}CR registers */
+
+#define PD_CPU_CR PD_CPU /* CPU area has CR (R-Car H1) */
+#define PD_CPU_NOCR PD_CPU | PD_NO_CR /* CPU area lacks CR (R-Car Gen2/3) */
+#define PD_ALWAYS_ON PD_NO_CR /* Always-on area */
+
+
+/*
+ * Description of a Power Area
+ */
+
+struct rcar_sysc_area {
+ const char *name;
+ u16 chan_offs; /* Offset of PWRSR register for this area */
+ u8 chan_bit; /* Bit in PWR* (except for PWRUP in PWRSR) */
+ u8 isr_bit; /* Bit in SYSCI*R */
+ s8 parent; /* -1 if none */
+ u8 flags; /* See PD_* */
+};
+
+
+/*
+ * SoC-specific Power Area Description
+ */
+
+struct rcar_sysc_info {
+ int (*init)(void); /* Optional */
+ const struct rcar_sysc_area *areas;
+ unsigned int num_areas;
+ /* Optional External Request Mask Register */
+ u32 extmask_offs; /* SYSCEXTMASK register offset */
+ u32 extmask_val; /* SYSCEXTMASK register mask value */
+};
+
+extern const struct rcar_sysc_info r8a7742_sysc_info;
+extern const struct rcar_sysc_info r8a7743_sysc_info;
+extern const struct rcar_sysc_info r8a7745_sysc_info;
+extern const struct rcar_sysc_info r8a77470_sysc_info;
+extern const struct rcar_sysc_info r8a774a1_sysc_info;
+extern const struct rcar_sysc_info r8a774b1_sysc_info;
+extern const struct rcar_sysc_info r8a774c0_sysc_info;
+extern const struct rcar_sysc_info r8a774e1_sysc_info;
+extern const struct rcar_sysc_info r8a7779_sysc_info;
+extern const struct rcar_sysc_info r8a7790_sysc_info;
+extern const struct rcar_sysc_info r8a7791_sysc_info;
+extern const struct rcar_sysc_info r8a7792_sysc_info;
+extern const struct rcar_sysc_info r8a7794_sysc_info;
+extern struct rcar_sysc_info r8a7795_sysc_info;
+extern const struct rcar_sysc_info r8a77960_sysc_info;
+extern const struct rcar_sysc_info r8a77961_sysc_info;
+extern const struct rcar_sysc_info r8a77965_sysc_info;
+extern const struct rcar_sysc_info r8a77970_sysc_info;
+extern const struct rcar_sysc_info r8a77980_sysc_info;
+extern const struct rcar_sysc_info r8a77990_sysc_info;
+extern const struct rcar_sysc_info r8a77995_sysc_info;
+
+
+ /*
+ * Helpers for fixing up power area tables depending on SoC revision
+ */
+
+extern void rcar_sysc_nullify(struct rcar_sysc_area *areas,
+ unsigned int num_areas, u8 id);
+
+#endif /* __SOC_RENESAS_RCAR_SYSC_H__ */
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * rmobile power management support
+ *
+ * Copyright (C) 2012 Renesas Solutions Corp.
+ * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ * Copyright (C) 2014 Glider bvba
+ *
+ * based on pm-sh7372.c
+ * Copyright (C) 2011 Magnus Damm
+ */
+#include <linux/clk/renesas.h>
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/pm.h>
+#include <linux/pm_clock.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+
+/* SYSC */
+#define SPDCR 0x08 /* SYS Power Down Control Register */
+#define SWUCR 0x14 /* SYS Wakeup Control Register */
+#define PSTR 0x80 /* Power Status Register */
+
+#define PSTR_RETRIES 100
+#define PSTR_DELAY_US 10
+
+struct rmobile_pm_domain {
+ struct generic_pm_domain genpd;
+ struct dev_power_governor *gov;
+ int (*suspend)(void);
+ void __iomem *base;
+ unsigned int bit_shift;
+};
+
+static inline
+struct rmobile_pm_domain *to_rmobile_pd(struct generic_pm_domain *d)
+{
+ return container_of(d, struct rmobile_pm_domain, genpd);
+}
+
+static int rmobile_pd_power_down(struct generic_pm_domain *genpd)
+{
+ struct rmobile_pm_domain *rmobile_pd = to_rmobile_pd(genpd);
+ unsigned int mask = BIT(rmobile_pd->bit_shift);
+ u32 val;
+
+ if (rmobile_pd->suspend) {
+ int ret = rmobile_pd->suspend();
+
+ if (ret)
+ return ret;
+ }
+
+ if (readl(rmobile_pd->base + PSTR) & mask) {
+ writel(mask, rmobile_pd->base + SPDCR);
+
+ readl_poll_timeout_atomic(rmobile_pd->base + SPDCR, val,
+ !(val & mask), 0, PSTR_RETRIES);
+ }
+
+ pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n", genpd->name, mask,
+ readl(rmobile_pd->base + PSTR));
+
+ return 0;
+}
+
+static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd)
+{
+ unsigned int val, mask = BIT(rmobile_pd->bit_shift);
+ int ret = 0;
+
+ if (readl(rmobile_pd->base + PSTR) & mask)
+ return ret;
+
+ writel(mask, rmobile_pd->base + SWUCR);
+
+ ret = readl_poll_timeout_atomic(rmobile_pd->base + SWUCR, val,
+ (val & mask), PSTR_DELAY_US,
+ PSTR_RETRIES * PSTR_DELAY_US);
+
+ pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n",
+ rmobile_pd->genpd.name, mask,
+ readl(rmobile_pd->base + PSTR));
+
+ return ret;
+}
+
+static int rmobile_pd_power_up(struct generic_pm_domain *genpd)
+{
+ return __rmobile_pd_power_up(to_rmobile_pd(genpd));
+}
+
+static void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd)
+{
+ struct generic_pm_domain *genpd = &rmobile_pd->genpd;
+ struct dev_power_governor *gov = rmobile_pd->gov;
+
+ genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
+ genpd->attach_dev = cpg_mstp_attach_dev;
+ genpd->detach_dev = cpg_mstp_detach_dev;
+
+ if (!(genpd->flags & GENPD_FLAG_ALWAYS_ON)) {
+ genpd->power_off = rmobile_pd_power_down;
+ genpd->power_on = rmobile_pd_power_up;
+ __rmobile_pd_power_up(rmobile_pd);
+ }
+
+ pm_genpd_init(genpd, gov ? : &simple_qos_governor, false);
+}
+
+static int rmobile_pd_suspend_console(void)
+{
+ /*
+ * Serial consoles make use of SCIF hardware located in this domain,
+ * hence keep the power domain on if "no_console_suspend" is set.
+ */
+ return console_suspend_enabled ? 0 : -EBUSY;
+}
+
+enum pd_types {
+ PD_NORMAL,
+ PD_CPU,
+ PD_CONSOLE,
+ PD_DEBUG,
+ PD_MEMCTL,
+};
+
+#define MAX_NUM_SPECIAL_PDS 16
+
+static struct special_pd {
+ struct device_node *pd;
+ enum pd_types type;
+} special_pds[MAX_NUM_SPECIAL_PDS] __initdata;
+
+static unsigned int num_special_pds __initdata;
+
+static const struct of_device_id special_ids[] __initconst = {
+ { .compatible = "arm,coresight-etm3x", .data = (void *)PD_DEBUG },
+ { .compatible = "renesas,dbsc-r8a73a4", .data = (void *)PD_MEMCTL, },
+ { .compatible = "renesas,dbsc3-r8a7740", .data = (void *)PD_MEMCTL, },
+ { .compatible = "renesas,sbsc-sh73a0", .data = (void *)PD_MEMCTL, },
+ { /* sentinel */ },
+};
+
+static void __init add_special_pd(struct device_node *np, enum pd_types type)
+{
+ unsigned int i;
+ struct device_node *pd;
+
+ pd = of_parse_phandle(np, "power-domains", 0);
+ if (!pd)
+ return;
+
+ for (i = 0; i < num_special_pds; i++)
+ if (pd == special_pds[i].pd && type == special_pds[i].type) {
+ of_node_put(pd);
+ return;
+ }
+
+ if (num_special_pds == ARRAY_SIZE(special_pds)) {
+ pr_warn("Too many special PM domains\n");
+ of_node_put(pd);
+ return;
+ }
+
+ pr_debug("Special PM domain %pOFn type %d for %pOF\n", pd, type, np);
+
+ special_pds[num_special_pds].pd = pd;
+ special_pds[num_special_pds].type = type;
+ num_special_pds++;
+}
+
+static void __init get_special_pds(void)
+{
+ struct device_node *np;
+ const struct of_device_id *id;
+
+ /* PM domains containing CPUs */
+ for_each_of_cpu_node(np)
+ add_special_pd(np, PD_CPU);
+
+ /* PM domain containing console */
+ if (of_stdout)
+ add_special_pd(of_stdout, PD_CONSOLE);
+
+ /* PM domains containing other special devices */
+ for_each_matching_node_and_match(np, special_ids, &id)
+ add_special_pd(np, (enum pd_types)id->data);
+}
+
+static void __init put_special_pds(void)
+{
+ unsigned int i;
+
+ for (i = 0; i < num_special_pds; i++)
+ of_node_put(special_pds[i].pd);
+}
+
+static enum pd_types __init pd_type(const struct device_node *pd)
+{
+ unsigned int i;
+
+ for (i = 0; i < num_special_pds; i++)
+ if (pd == special_pds[i].pd)
+ return special_pds[i].type;
+
+ return PD_NORMAL;
+}
+
+static void __init rmobile_setup_pm_domain(struct device_node *np,
+ struct rmobile_pm_domain *pd)
+{
+ const char *name = pd->genpd.name;
+
+ switch (pd_type(np)) {
+ case PD_CPU:
+ /*
+ * This domain contains the CPU core and therefore it should
+ * only be turned off if the CPU is not in use.
+ */
+ pr_debug("PM domain %s contains CPU\n", name);
+ pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
+ break;
+
+ case PD_CONSOLE:
+ pr_debug("PM domain %s contains serial console\n", name);
+ pd->gov = &pm_domain_always_on_gov;
+ pd->suspend = rmobile_pd_suspend_console;
+ break;
+
+ case PD_DEBUG:
+ /*
+ * This domain contains the Coresight-ETM hardware block and
+ * therefore it should only be turned off if the debug module
+ * is not in use.
+ */
+ pr_debug("PM domain %s contains Coresight-ETM\n", name);
+ pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
+ break;
+
+ case PD_MEMCTL:
+ /*
+ * This domain contains a memory-controller and therefore it
+ * should only be turned off if memory is not in use.
+ */
+ pr_debug("PM domain %s contains MEMCTL\n", name);
+ pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
+ break;
+
+ case PD_NORMAL:
+ if (pd->bit_shift == ~0) {
+ /* Top-level always-on domain */
+ pr_debug("PM domain %s is always-on domain\n", name);
+ pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
+ }
+ break;
+ }
+
+ rmobile_init_pm_domain(pd);
+}
+
+static int __init rmobile_add_pm_domains(void __iomem *base,
+ struct device_node *parent,
+ struct generic_pm_domain *genpd_parent)
+{
+ struct device_node *np;
+
+ for_each_child_of_node(parent, np) {
+ struct rmobile_pm_domain *pd;
+ u32 idx = ~0;
+
+ if (of_property_read_u32(np, "reg", &idx)) {
+ /* always-on domain */
+ }
+
+ pd = kzalloc(sizeof(*pd), GFP_KERNEL);
+ if (!pd) {
+ of_node_put(np);
+ return -ENOMEM;
+ }
+
+ pd->genpd.name = np->name;
+ pd->base = base;
+ pd->bit_shift = idx;
+
+ rmobile_setup_pm_domain(np, pd);
+ if (genpd_parent)
+ pm_genpd_add_subdomain(genpd_parent, &pd->genpd);
+ of_genpd_add_provider_simple(np, &pd->genpd);
+
+ rmobile_add_pm_domains(base, np, &pd->genpd);
+ }
+ return 0;
+}
+
+static int __init rmobile_init_pm_domains(void)
+{
+ struct device_node *np, *pmd;
+ bool scanned = false;
+ void __iomem *base;
+ int ret = 0;
+
+ for_each_compatible_node(np, NULL, "renesas,sysc-rmobile") {
+ base = of_iomap(np, 0);
+ if (!base) {
+ pr_warn("%pOF cannot map reg 0\n", np);
+ continue;
+ }
+
+ pmd = of_get_child_by_name(np, "pm-domains");
+ if (!pmd) {
+ iounmap(base);
+ pr_warn("%pOF lacks pm-domains node\n", np);
+ continue;
+ }
+
+ if (!scanned) {
+ /* Find PM domains containing special blocks */
+ get_special_pds();
+ scanned = true;
+ }
+
+ ret = rmobile_add_pm_domains(base, pmd, NULL);
+ of_node_put(pmd);
+ if (ret) {
+ of_node_put(np);
+ break;
+ }
+
+ fwnode_dev_initialized(of_fwnode_handle(np), true);
+ }
+
+ put_special_pds();
+
+ return ret;
+}
+
+core_initcall(rmobile_init_pm_domains);
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_ROCKCHIP_PM_DOMAINS) += pm-domains.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Rockchip Generic power domain support.
+ *
+ * Copyright (c) 2015 ROCKCHIP, Co. Ltd.
+ */
+
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/err.h>
+#include <linux/mutex.h>
+#include <linux/pm_clock.h>
+#include <linux/pm_domain.h>
+#include <linux/of_address.h>
+#include <linux/of_clk.h>
+#include <linux/of_platform.h>
+#include <linux/clk.h>
+#include <linux/regmap.h>
+#include <linux/mfd/syscon.h>
+#include <soc/rockchip/pm_domains.h>
+#include <dt-bindings/power/px30-power.h>
+#include <dt-bindings/power/rockchip,rv1126-power.h>
+#include <dt-bindings/power/rk3036-power.h>
+#include <dt-bindings/power/rk3066-power.h>
+#include <dt-bindings/power/rk3128-power.h>
+#include <dt-bindings/power/rk3188-power.h>
+#include <dt-bindings/power/rk3228-power.h>
+#include <dt-bindings/power/rk3288-power.h>
+#include <dt-bindings/power/rk3328-power.h>
+#include <dt-bindings/power/rk3366-power.h>
+#include <dt-bindings/power/rk3368-power.h>
+#include <dt-bindings/power/rk3399-power.h>
+#include <dt-bindings/power/rk3568-power.h>
+#include <dt-bindings/power/rk3588-power.h>
+
+struct rockchip_domain_info {
+ const char *name;
+ int pwr_mask;
+ int status_mask;
+ int req_mask;
+ int idle_mask;
+ int ack_mask;
+ bool active_wakeup;
+ int pwr_w_mask;
+ int req_w_mask;
+ int mem_status_mask;
+ int repair_status_mask;
+ u32 pwr_offset;
+ u32 mem_offset;
+ u32 req_offset;
+};
+
+struct rockchip_pmu_info {
+ u32 pwr_offset;
+ u32 status_offset;
+ u32 req_offset;
+ u32 idle_offset;
+ u32 ack_offset;
+ u32 mem_pwr_offset;
+ u32 chain_status_offset;
+ u32 mem_status_offset;
+ u32 repair_status_offset;
+
+ u32 core_pwrcnt_offset;
+ u32 gpu_pwrcnt_offset;
+
+ unsigned int core_power_transition_time;
+ unsigned int gpu_power_transition_time;
+
+ int num_domains;
+ const struct rockchip_domain_info *domain_info;
+};
+
+#define MAX_QOS_REGS_NUM 5
+#define QOS_PRIORITY 0x08
+#define QOS_MODE 0x0c
+#define QOS_BANDWIDTH 0x10
+#define QOS_SATURATION 0x14
+#define QOS_EXTCONTROL 0x18
+
+struct rockchip_pm_domain {
+ struct generic_pm_domain genpd;
+ const struct rockchip_domain_info *info;
+ struct rockchip_pmu *pmu;
+ int num_qos;
+ struct regmap **qos_regmap;
+ u32 *qos_save_regs[MAX_QOS_REGS_NUM];
+ int num_clks;
+ struct clk_bulk_data *clks;
+};
+
+struct rockchip_pmu {
+ struct device *dev;
+ struct regmap *regmap;
+ const struct rockchip_pmu_info *info;
+ struct mutex mutex; /* mutex lock for pmu */
+ struct genpd_onecell_data genpd_data;
+ struct generic_pm_domain *domains[];
+};
+
+#define to_rockchip_pd(gpd) container_of(gpd, struct rockchip_pm_domain, genpd)
+
+#define DOMAIN(_name, pwr, status, req, idle, ack, wakeup) \
+{ \
+ .name = _name, \
+ .pwr_mask = (pwr), \
+ .status_mask = (status), \
+ .req_mask = (req), \
+ .idle_mask = (idle), \
+ .ack_mask = (ack), \
+ .active_wakeup = (wakeup), \
+}
+
+#define DOMAIN_M(_name, pwr, status, req, idle, ack, wakeup) \
+{ \
+ .name = _name, \
+ .pwr_w_mask = (pwr) << 16, \
+ .pwr_mask = (pwr), \
+ .status_mask = (status), \
+ .req_w_mask = (req) << 16, \
+ .req_mask = (req), \
+ .idle_mask = (idle), \
+ .ack_mask = (ack), \
+ .active_wakeup = wakeup, \
+}
+
+#define DOMAIN_M_O_R(_name, p_offset, pwr, status, m_offset, m_status, r_status, r_offset, req, idle, ack, wakeup) \
+{ \
+ .name = _name, \
+ .pwr_offset = p_offset, \
+ .pwr_w_mask = (pwr) << 16, \
+ .pwr_mask = (pwr), \
+ .status_mask = (status), \
+ .mem_offset = m_offset, \
+ .mem_status_mask = (m_status), \
+ .repair_status_mask = (r_status), \
+ .req_offset = r_offset, \
+ .req_w_mask = (req) << 16, \
+ .req_mask = (req), \
+ .idle_mask = (idle), \
+ .ack_mask = (ack), \
+ .active_wakeup = wakeup, \
+}
+
+#define DOMAIN_RK3036(_name, req, ack, idle, wakeup) \
+{ \
+ .name = _name, \
+ .req_mask = (req), \
+ .req_w_mask = (req) << 16, \
+ .ack_mask = (ack), \
+ .idle_mask = (idle), \
+ .active_wakeup = wakeup, \
+}
+
+#define DOMAIN_PX30(name, pwr, status, req, wakeup) \
+ DOMAIN_M(name, pwr, status, req, (req) << 16, req, wakeup)
+
+#define DOMAIN_RV1126(name, pwr, req, idle, wakeup) \
+ DOMAIN_M(name, pwr, pwr, req, idle, idle, wakeup)
+
+#define DOMAIN_RK3288(name, pwr, status, req, wakeup) \
+ DOMAIN(name, pwr, status, req, req, (req) << 16, wakeup)
+
+#define DOMAIN_RK3328(name, pwr, status, req, wakeup) \
+ DOMAIN_M(name, pwr, pwr, req, (req) << 10, req, wakeup)
+
+#define DOMAIN_RK3368(name, pwr, status, req, wakeup) \
+ DOMAIN(name, pwr, status, req, (req) << 16, req, wakeup)
+
+#define DOMAIN_RK3399(name, pwr, status, req, wakeup) \
+ DOMAIN(name, pwr, status, req, req, req, wakeup)
+
+#define DOMAIN_RK3568(name, pwr, req, wakeup) \
+ DOMAIN_M(name, pwr, pwr, req, req, req, wakeup)
+
+/*
+ * Dynamic Memory Controller may need to coordinate with us -- see
+ * rockchip_pmu_block().
+ *
+ * dmc_pmu_mutex protects registration-time races, so DMC driver doesn't try to
+ * block() while we're initializing the PMU.
+ */
+static DEFINE_MUTEX(dmc_pmu_mutex);
+static struct rockchip_pmu *dmc_pmu;
+
+/*
+ * Block PMU transitions and make sure they don't interfere with ARM Trusted
+ * Firmware operations. There are two conflicts, noted in the comments below.
+ *
+ * Caller must unblock PMU transitions via rockchip_pmu_unblock().
+ */
+int rockchip_pmu_block(void)
+{
+ struct rockchip_pmu *pmu;
+ struct generic_pm_domain *genpd;
+ struct rockchip_pm_domain *pd;
+ int i, ret;
+
+ mutex_lock(&dmc_pmu_mutex);
+
+ /* No PMU (yet)? Then we just block rockchip_pmu_probe(). */
+ if (!dmc_pmu)
+ return 0;
+ pmu = dmc_pmu;
+
+ /*
+ * mutex blocks all idle transitions: we can't touch the
+ * PMU_BUS_IDLE_REQ (our ".idle_offset") register while ARM Trusted
+ * Firmware might be using it.
+ */
+ mutex_lock(&pmu->mutex);
+
+ /*
+ * Power domain clocks: Per Rockchip, we *must* keep certain clocks
+ * enabled for the duration of power-domain transitions. Most
+ * transitions are handled by this driver, but some cases (in
+ * particular, DRAM DVFS / memory-controller idle) must be handled by
+ * firmware. Firmware can handle most clock management via a special
+ * "ungate" register (PMU_CRU_GATEDIS_CON0), but unfortunately, this
+ * doesn't handle PLLs. We can assist this transition by doing the
+ * clock management on behalf of firmware.
+ */
+ for (i = 0; i < pmu->genpd_data.num_domains; i++) {
+ genpd = pmu->genpd_data.domains[i];
+ if (genpd) {
+ pd = to_rockchip_pd(genpd);
+ ret = clk_bulk_enable(pd->num_clks, pd->clks);
+ if (ret < 0) {
+ dev_err(pmu->dev,
+ "failed to enable clks for domain '%s': %d\n",
+ genpd->name, ret);
+ goto err;
+ }
+ }
+ }
+
+ return 0;
+
+err:
+ for (i = i - 1; i >= 0; i--) {
+ genpd = pmu->genpd_data.domains[i];
+ if (genpd) {
+ pd = to_rockchip_pd(genpd);
+ clk_bulk_disable(pd->num_clks, pd->clks);
+ }
+ }
+ mutex_unlock(&pmu->mutex);
+ mutex_unlock(&dmc_pmu_mutex);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(rockchip_pmu_block);
+
+/* Unblock PMU transitions. */
+void rockchip_pmu_unblock(void)
+{
+ struct rockchip_pmu *pmu;
+ struct generic_pm_domain *genpd;
+ struct rockchip_pm_domain *pd;
+ int i;
+
+ if (dmc_pmu) {
+ pmu = dmc_pmu;
+ for (i = 0; i < pmu->genpd_data.num_domains; i++) {
+ genpd = pmu->genpd_data.domains[i];
+ if (genpd) {
+ pd = to_rockchip_pd(genpd);
+ clk_bulk_disable(pd->num_clks, pd->clks);
+ }
+ }
+
+ mutex_unlock(&pmu->mutex);
+ }
+
+ mutex_unlock(&dmc_pmu_mutex);
+}
+EXPORT_SYMBOL_GPL(rockchip_pmu_unblock);
+
+#define DOMAIN_RK3588(name, p_offset, pwr, status, m_offset, m_status, r_status, r_offset, req, idle, wakeup) \
+ DOMAIN_M_O_R(name, p_offset, pwr, status, m_offset, m_status, r_status, r_offset, req, idle, idle, wakeup)
+
+static bool rockchip_pmu_domain_is_idle(struct rockchip_pm_domain *pd)
+{
+ struct rockchip_pmu *pmu = pd->pmu;
+ const struct rockchip_domain_info *pd_info = pd->info;
+ unsigned int val;
+
+ regmap_read(pmu->regmap, pmu->info->idle_offset, &val);
+ return (val & pd_info->idle_mask) == pd_info->idle_mask;
+}
+
+static unsigned int rockchip_pmu_read_ack(struct rockchip_pmu *pmu)
+{
+ unsigned int val;
+
+ regmap_read(pmu->regmap, pmu->info->ack_offset, &val);
+ return val;
+}
+
+static int rockchip_pmu_set_idle_request(struct rockchip_pm_domain *pd,
+ bool idle)
+{
+ const struct rockchip_domain_info *pd_info = pd->info;
+ struct generic_pm_domain *genpd = &pd->genpd;
+ struct rockchip_pmu *pmu = pd->pmu;
+ u32 pd_req_offset = pd_info->req_offset;
+ unsigned int target_ack;
+ unsigned int val;
+ bool is_idle;
+ int ret;
+
+ if (pd_info->req_mask == 0)
+ return 0;
+ else if (pd_info->req_w_mask)
+ regmap_write(pmu->regmap, pmu->info->req_offset + pd_req_offset,
+ idle ? (pd_info->req_mask | pd_info->req_w_mask) :
+ pd_info->req_w_mask);
+ else
+ regmap_update_bits(pmu->regmap, pmu->info->req_offset + pd_req_offset,
+ pd_info->req_mask, idle ? -1U : 0);
+
+ wmb();
+
+ /* Wait util idle_ack = 1 */
+ target_ack = idle ? pd_info->ack_mask : 0;
+ ret = readx_poll_timeout_atomic(rockchip_pmu_read_ack, pmu, val,
+ (val & pd_info->ack_mask) == target_ack,
+ 0, 10000);
+ if (ret) {
+ dev_err(pmu->dev,
+ "failed to get ack on domain '%s', val=0x%x\n",
+ genpd->name, val);
+ return ret;
+ }
+
+ ret = readx_poll_timeout_atomic(rockchip_pmu_domain_is_idle, pd,
+ is_idle, is_idle == idle, 0, 10000);
+ if (ret) {
+ dev_err(pmu->dev,
+ "failed to set idle on domain '%s', val=%d\n",
+ genpd->name, is_idle);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int rockchip_pmu_save_qos(struct rockchip_pm_domain *pd)
+{
+ int i;
+
+ for (i = 0; i < pd->num_qos; i++) {
+ regmap_read(pd->qos_regmap[i],
+ QOS_PRIORITY,
+ &pd->qos_save_regs[0][i]);
+ regmap_read(pd->qos_regmap[i],
+ QOS_MODE,
+ &pd->qos_save_regs[1][i]);
+ regmap_read(pd->qos_regmap[i],
+ QOS_BANDWIDTH,
+ &pd->qos_save_regs[2][i]);
+ regmap_read(pd->qos_regmap[i],
+ QOS_SATURATION,
+ &pd->qos_save_regs[3][i]);
+ regmap_read(pd->qos_regmap[i],
+ QOS_EXTCONTROL,
+ &pd->qos_save_regs[4][i]);
+ }
+ return 0;
+}
+
+static int rockchip_pmu_restore_qos(struct rockchip_pm_domain *pd)
+{
+ int i;
+
+ for (i = 0; i < pd->num_qos; i++) {
+ regmap_write(pd->qos_regmap[i],
+ QOS_PRIORITY,
+ pd->qos_save_regs[0][i]);
+ regmap_write(pd->qos_regmap[i],
+ QOS_MODE,
+ pd->qos_save_regs[1][i]);
+ regmap_write(pd->qos_regmap[i],
+ QOS_BANDWIDTH,
+ pd->qos_save_regs[2][i]);
+ regmap_write(pd->qos_regmap[i],
+ QOS_SATURATION,
+ pd->qos_save_regs[3][i]);
+ regmap_write(pd->qos_regmap[i],
+ QOS_EXTCONTROL,
+ pd->qos_save_regs[4][i]);
+ }
+
+ return 0;
+}
+
+static bool rockchip_pmu_domain_is_on(struct rockchip_pm_domain *pd)
+{
+ struct rockchip_pmu *pmu = pd->pmu;
+ unsigned int val;
+
+ if (pd->info->repair_status_mask) {
+ regmap_read(pmu->regmap, pmu->info->repair_status_offset, &val);
+ /* 1'b1: power on, 1'b0: power off */
+ return val & pd->info->repair_status_mask;
+ }
+
+ /* check idle status for idle-only domains */
+ if (pd->info->status_mask == 0)
+ return !rockchip_pmu_domain_is_idle(pd);
+
+ regmap_read(pmu->regmap, pmu->info->status_offset, &val);
+
+ /* 1'b0: power on, 1'b1: power off */
+ return !(val & pd->info->status_mask);
+}
+
+static bool rockchip_pmu_domain_is_mem_on(struct rockchip_pm_domain *pd)
+{
+ struct rockchip_pmu *pmu = pd->pmu;
+ unsigned int val;
+
+ regmap_read(pmu->regmap,
+ pmu->info->mem_status_offset + pd->info->mem_offset, &val);
+
+ /* 1'b0: power on, 1'b1: power off */
+ return !(val & pd->info->mem_status_mask);
+}
+
+static bool rockchip_pmu_domain_is_chain_on(struct rockchip_pm_domain *pd)
+{
+ struct rockchip_pmu *pmu = pd->pmu;
+ unsigned int val;
+
+ regmap_read(pmu->regmap,
+ pmu->info->chain_status_offset + pd->info->mem_offset, &val);
+
+ /* 1'b1: power on, 1'b0: power off */
+ return val & pd->info->mem_status_mask;
+}
+
+static int rockchip_pmu_domain_mem_reset(struct rockchip_pm_domain *pd)
+{
+ struct rockchip_pmu *pmu = pd->pmu;
+ struct generic_pm_domain *genpd = &pd->genpd;
+ bool is_on;
+ int ret = 0;
+
+ ret = readx_poll_timeout_atomic(rockchip_pmu_domain_is_chain_on, pd, is_on,
+ is_on == true, 0, 10000);
+ if (ret) {
+ dev_err(pmu->dev,
+ "failed to get chain status '%s', target_on=1, val=%d\n",
+ genpd->name, is_on);
+ goto error;
+ }
+
+ udelay(20);
+
+ regmap_write(pmu->regmap, pmu->info->mem_pwr_offset + pd->info->pwr_offset,
+ (pd->info->pwr_mask | pd->info->pwr_w_mask));
+ wmb();
+
+ ret = readx_poll_timeout_atomic(rockchip_pmu_domain_is_mem_on, pd, is_on,
+ is_on == false, 0, 10000);
+ if (ret) {
+ dev_err(pmu->dev,
+ "failed to get mem status '%s', target_on=0, val=%d\n",
+ genpd->name, is_on);
+ goto error;
+ }
+
+ regmap_write(pmu->regmap, pmu->info->mem_pwr_offset + pd->info->pwr_offset,
+ pd->info->pwr_w_mask);
+ wmb();
+
+ ret = readx_poll_timeout_atomic(rockchip_pmu_domain_is_mem_on, pd, is_on,
+ is_on == true, 0, 10000);
+ if (ret) {
+ dev_err(pmu->dev,
+ "failed to get mem status '%s', target_on=1, val=%d\n",
+ genpd->name, is_on);
+ }
+
+error:
+ return ret;
+}
+
+static void rockchip_do_pmu_set_power_domain(struct rockchip_pm_domain *pd,
+ bool on)
+{
+ struct rockchip_pmu *pmu = pd->pmu;
+ struct generic_pm_domain *genpd = &pd->genpd;
+ u32 pd_pwr_offset = pd->info->pwr_offset;
+ bool is_on, is_mem_on = false;
+
+ if (pd->info->pwr_mask == 0)
+ return;
+
+ if (on && pd->info->mem_status_mask)
+ is_mem_on = rockchip_pmu_domain_is_mem_on(pd);
+
+ if (pd->info->pwr_w_mask)
+ regmap_write(pmu->regmap, pmu->info->pwr_offset + pd_pwr_offset,
+ on ? pd->info->pwr_w_mask :
+ (pd->info->pwr_mask | pd->info->pwr_w_mask));
+ else
+ regmap_update_bits(pmu->regmap, pmu->info->pwr_offset + pd_pwr_offset,
+ pd->info->pwr_mask, on ? 0 : -1U);
+
+ wmb();
+
+ if (is_mem_on && rockchip_pmu_domain_mem_reset(pd))
+ return;
+
+ if (readx_poll_timeout_atomic(rockchip_pmu_domain_is_on, pd, is_on,
+ is_on == on, 0, 10000)) {
+ dev_err(pmu->dev,
+ "failed to set domain '%s', val=%d\n",
+ genpd->name, is_on);
+ return;
+ }
+}
+
+static int rockchip_pd_power(struct rockchip_pm_domain *pd, bool power_on)
+{
+ struct rockchip_pmu *pmu = pd->pmu;
+ int ret;
+
+ mutex_lock(&pmu->mutex);
+
+ if (rockchip_pmu_domain_is_on(pd) != power_on) {
+ ret = clk_bulk_enable(pd->num_clks, pd->clks);
+ if (ret < 0) {
+ dev_err(pmu->dev, "failed to enable clocks\n");
+ mutex_unlock(&pmu->mutex);
+ return ret;
+ }
+
+ if (!power_on) {
+ rockchip_pmu_save_qos(pd);
+
+ /* if powering down, idle request to NIU first */
+ rockchip_pmu_set_idle_request(pd, true);
+ }
+
+ rockchip_do_pmu_set_power_domain(pd, power_on);
+
+ if (power_on) {
+ /* if powering up, leave idle mode */
+ rockchip_pmu_set_idle_request(pd, false);
+
+ rockchip_pmu_restore_qos(pd);
+ }
+
+ clk_bulk_disable(pd->num_clks, pd->clks);
+ }
+
+ mutex_unlock(&pmu->mutex);
+ return 0;
+}
+
+static int rockchip_pd_power_on(struct generic_pm_domain *domain)
+{
+ struct rockchip_pm_domain *pd = to_rockchip_pd(domain);
+
+ return rockchip_pd_power(pd, true);
+}
+
+static int rockchip_pd_power_off(struct generic_pm_domain *domain)
+{
+ struct rockchip_pm_domain *pd = to_rockchip_pd(domain);
+
+ return rockchip_pd_power(pd, false);
+}
+
+static int rockchip_pd_attach_dev(struct generic_pm_domain *genpd,
+ struct device *dev)
+{
+ struct clk *clk;
+ int i;
+ int error;
+
+ dev_dbg(dev, "attaching to power domain '%s'\n", genpd->name);
+
+ error = pm_clk_create(dev);
+ if (error) {
+ dev_err(dev, "pm_clk_create failed %d\n", error);
+ return error;
+ }
+
+ i = 0;
+ while ((clk = of_clk_get(dev->of_node, i++)) && !IS_ERR(clk)) {
+ dev_dbg(dev, "adding clock '%pC' to list of PM clocks\n", clk);
+ error = pm_clk_add_clk(dev, clk);
+ if (error) {
+ dev_err(dev, "pm_clk_add_clk failed %d\n", error);
+ clk_put(clk);
+ pm_clk_destroy(dev);
+ return error;
+ }
+ }
+
+ return 0;
+}
+
+static void rockchip_pd_detach_dev(struct generic_pm_domain *genpd,
+ struct device *dev)
+{
+ dev_dbg(dev, "detaching from power domain '%s'\n", genpd->name);
+
+ pm_clk_destroy(dev);
+}
+
+static int rockchip_pm_add_one_domain(struct rockchip_pmu *pmu,
+ struct device_node *node)
+{
+ const struct rockchip_domain_info *pd_info;
+ struct rockchip_pm_domain *pd;
+ struct device_node *qos_node;
+ int i, j;
+ u32 id;
+ int error;
+
+ error = of_property_read_u32(node, "reg", &id);
+ if (error) {
+ dev_err(pmu->dev,
+ "%pOFn: failed to retrieve domain id (reg): %d\n",
+ node, error);
+ return -EINVAL;
+ }
+
+ if (id >= pmu->info->num_domains) {
+ dev_err(pmu->dev, "%pOFn: invalid domain id %d\n",
+ node, id);
+ return -EINVAL;
+ }
+ /* RK3588 has domains with two parents (RKVDEC0/RKVDEC1) */
+ if (pmu->genpd_data.domains[id])
+ return 0;
+
+ pd_info = &pmu->info->domain_info[id];
+ if (!pd_info) {
+ dev_err(pmu->dev, "%pOFn: undefined domain id %d\n",
+ node, id);
+ return -EINVAL;
+ }
+
+ pd = devm_kzalloc(pmu->dev, sizeof(*pd), GFP_KERNEL);
+ if (!pd)
+ return -ENOMEM;
+
+ pd->info = pd_info;
+ pd->pmu = pmu;
+
+ pd->num_clks = of_clk_get_parent_count(node);
+ if (pd->num_clks > 0) {
+ pd->clks = devm_kcalloc(pmu->dev, pd->num_clks,
+ sizeof(*pd->clks), GFP_KERNEL);
+ if (!pd->clks)
+ return -ENOMEM;
+ } else {
+ dev_dbg(pmu->dev, "%pOFn: doesn't have clocks: %d\n",
+ node, pd->num_clks);
+ pd->num_clks = 0;
+ }
+
+ for (i = 0; i < pd->num_clks; i++) {
+ pd->clks[i].clk = of_clk_get(node, i);
+ if (IS_ERR(pd->clks[i].clk)) {
+ error = PTR_ERR(pd->clks[i].clk);
+ dev_err(pmu->dev,
+ "%pOFn: failed to get clk at index %d: %d\n",
+ node, i, error);
+ return error;
+ }
+ }
+
+ error = clk_bulk_prepare(pd->num_clks, pd->clks);
+ if (error)
+ goto err_put_clocks;
+
+ pd->num_qos = of_count_phandle_with_args(node, "pm_qos",
+ NULL);
+
+ if (pd->num_qos > 0) {
+ pd->qos_regmap = devm_kcalloc(pmu->dev, pd->num_qos,
+ sizeof(*pd->qos_regmap),
+ GFP_KERNEL);
+ if (!pd->qos_regmap) {
+ error = -ENOMEM;
+ goto err_unprepare_clocks;
+ }
+
+ for (j = 0; j < MAX_QOS_REGS_NUM; j++) {
+ pd->qos_save_regs[j] = devm_kcalloc(pmu->dev,
+ pd->num_qos,
+ sizeof(u32),
+ GFP_KERNEL);
+ if (!pd->qos_save_regs[j]) {
+ error = -ENOMEM;
+ goto err_unprepare_clocks;
+ }
+ }
+
+ for (j = 0; j < pd->num_qos; j++) {
+ qos_node = of_parse_phandle(node, "pm_qos", j);
+ if (!qos_node) {
+ error = -ENODEV;
+ goto err_unprepare_clocks;
+ }
+ pd->qos_regmap[j] = syscon_node_to_regmap(qos_node);
+ if (IS_ERR(pd->qos_regmap[j])) {
+ error = -ENODEV;
+ of_node_put(qos_node);
+ goto err_unprepare_clocks;
+ }
+ of_node_put(qos_node);
+ }
+ }
+
+ if (pd->info->name)
+ pd->genpd.name = pd->info->name;
+ else
+ pd->genpd.name = kbasename(node->full_name);
+ pd->genpd.power_off = rockchip_pd_power_off;
+ pd->genpd.power_on = rockchip_pd_power_on;
+ pd->genpd.attach_dev = rockchip_pd_attach_dev;
+ pd->genpd.detach_dev = rockchip_pd_detach_dev;
+ pd->genpd.flags = GENPD_FLAG_PM_CLK;
+ if (pd_info->active_wakeup)
+ pd->genpd.flags |= GENPD_FLAG_ACTIVE_WAKEUP;
+ pm_genpd_init(&pd->genpd, NULL,
+ !rockchip_pmu_domain_is_on(pd) ||
+ (pd->info->mem_status_mask && !rockchip_pmu_domain_is_mem_on(pd)));
+
+ pmu->genpd_data.domains[id] = &pd->genpd;
+ return 0;
+
+err_unprepare_clocks:
+ clk_bulk_unprepare(pd->num_clks, pd->clks);
+err_put_clocks:
+ clk_bulk_put(pd->num_clks, pd->clks);
+ return error;
+}
+
+static void rockchip_pm_remove_one_domain(struct rockchip_pm_domain *pd)
+{
+ int ret;
+
+ /*
+ * We're in the error cleanup already, so we only complain,
+ * but won't emit another error on top of the original one.
+ */
+ ret = pm_genpd_remove(&pd->genpd);
+ if (ret < 0)
+ dev_err(pd->pmu->dev, "failed to remove domain '%s' : %d - state may be inconsistent\n",
+ pd->genpd.name, ret);
+
+ clk_bulk_unprepare(pd->num_clks, pd->clks);
+ clk_bulk_put(pd->num_clks, pd->clks);
+
+ /* protect the zeroing of pm->num_clks */
+ mutex_lock(&pd->pmu->mutex);
+ pd->num_clks = 0;
+ mutex_unlock(&pd->pmu->mutex);
+
+ /* devm will free our memory */
+}
+
+static void rockchip_pm_domain_cleanup(struct rockchip_pmu *pmu)
+{
+ struct generic_pm_domain *genpd;
+ struct rockchip_pm_domain *pd;
+ int i;
+
+ for (i = 0; i < pmu->genpd_data.num_domains; i++) {
+ genpd = pmu->genpd_data.domains[i];
+ if (genpd) {
+ pd = to_rockchip_pd(genpd);
+ rockchip_pm_remove_one_domain(pd);
+ }
+ }
+
+ /* devm will free our memory */
+}
+
+static void rockchip_configure_pd_cnt(struct rockchip_pmu *pmu,
+ u32 domain_reg_offset,
+ unsigned int count)
+{
+ /* First configure domain power down transition count ... */
+ regmap_write(pmu->regmap, domain_reg_offset, count);
+ /* ... and then power up count. */
+ regmap_write(pmu->regmap, domain_reg_offset + 4, count);
+}
+
+static int rockchip_pm_add_subdomain(struct rockchip_pmu *pmu,
+ struct device_node *parent)
+{
+ struct device_node *np;
+ struct generic_pm_domain *child_domain, *parent_domain;
+ int error;
+
+ for_each_child_of_node(parent, np) {
+ u32 idx;
+
+ error = of_property_read_u32(parent, "reg", &idx);
+ if (error) {
+ dev_err(pmu->dev,
+ "%pOFn: failed to retrieve domain id (reg): %d\n",
+ parent, error);
+ goto err_out;
+ }
+ parent_domain = pmu->genpd_data.domains[idx];
+
+ error = rockchip_pm_add_one_domain(pmu, np);
+ if (error) {
+ dev_err(pmu->dev, "failed to handle node %pOFn: %d\n",
+ np, error);
+ goto err_out;
+ }
+
+ error = of_property_read_u32(np, "reg", &idx);
+ if (error) {
+ dev_err(pmu->dev,
+ "%pOFn: failed to retrieve domain id (reg): %d\n",
+ np, error);
+ goto err_out;
+ }
+ child_domain = pmu->genpd_data.domains[idx];
+
+ error = pm_genpd_add_subdomain(parent_domain, child_domain);
+ if (error) {
+ dev_err(pmu->dev, "%s failed to add subdomain %s: %d\n",
+ parent_domain->name, child_domain->name, error);
+ goto err_out;
+ } else {
+ dev_dbg(pmu->dev, "%s add subdomain: %s\n",
+ parent_domain->name, child_domain->name);
+ }
+
+ rockchip_pm_add_subdomain(pmu, np);
+ }
+
+ return 0;
+
+err_out:
+ of_node_put(np);
+ return error;
+}
+
+static int rockchip_pm_domain_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ struct device_node *node;
+ struct device *parent;
+ struct rockchip_pmu *pmu;
+ const struct of_device_id *match;
+ const struct rockchip_pmu_info *pmu_info;
+ int error;
+
+ if (!np) {
+ dev_err(dev, "device tree node not found\n");
+ return -ENODEV;
+ }
+
+ match = of_match_device(dev->driver->of_match_table, dev);
+ if (!match || !match->data) {
+ dev_err(dev, "missing pmu data\n");
+ return -EINVAL;
+ }
+
+ pmu_info = match->data;
+
+ pmu = devm_kzalloc(dev,
+ struct_size(pmu, domains, pmu_info->num_domains),
+ GFP_KERNEL);
+ if (!pmu)
+ return -ENOMEM;
+
+ pmu->dev = &pdev->dev;
+ mutex_init(&pmu->mutex);
+
+ pmu->info = pmu_info;
+
+ pmu->genpd_data.domains = pmu->domains;
+ pmu->genpd_data.num_domains = pmu_info->num_domains;
+
+ parent = dev->parent;
+ if (!parent) {
+ dev_err(dev, "no parent for syscon devices\n");
+ return -ENODEV;
+ }
+
+ pmu->regmap = syscon_node_to_regmap(parent->of_node);
+ if (IS_ERR(pmu->regmap)) {
+ dev_err(dev, "no regmap available\n");
+ return PTR_ERR(pmu->regmap);
+ }
+
+ /*
+ * Configure power up and down transition delays for CORE
+ * and GPU domains.
+ */
+ if (pmu_info->core_power_transition_time)
+ rockchip_configure_pd_cnt(pmu, pmu_info->core_pwrcnt_offset,
+ pmu_info->core_power_transition_time);
+ if (pmu_info->gpu_pwrcnt_offset)
+ rockchip_configure_pd_cnt(pmu, pmu_info->gpu_pwrcnt_offset,
+ pmu_info->gpu_power_transition_time);
+
+ error = -ENODEV;
+
+ /*
+ * Prevent any rockchip_pmu_block() from racing with the remainder of
+ * setup (clocks, register initialization).
+ */
+ mutex_lock(&dmc_pmu_mutex);
+
+ for_each_available_child_of_node(np, node) {
+ error = rockchip_pm_add_one_domain(pmu, node);
+ if (error) {
+ dev_err(dev, "failed to handle node %pOFn: %d\n",
+ node, error);
+ of_node_put(node);
+ goto err_out;
+ }
+
+ error = rockchip_pm_add_subdomain(pmu, node);
+ if (error < 0) {
+ dev_err(dev, "failed to handle subdomain node %pOFn: %d\n",
+ node, error);
+ of_node_put(node);
+ goto err_out;
+ }
+ }
+
+ if (error) {
+ dev_dbg(dev, "no power domains defined\n");
+ goto err_out;
+ }
+
+ error = of_genpd_add_provider_onecell(np, &pmu->genpd_data);
+ if (error) {
+ dev_err(dev, "failed to add provider: %d\n", error);
+ goto err_out;
+ }
+
+ /* We only expect one PMU. */
+ if (!WARN_ON_ONCE(dmc_pmu))
+ dmc_pmu = pmu;
+
+ mutex_unlock(&dmc_pmu_mutex);
+
+ return 0;
+
+err_out:
+ rockchip_pm_domain_cleanup(pmu);
+ mutex_unlock(&dmc_pmu_mutex);
+ return error;
+}
+
+static const struct rockchip_domain_info px30_pm_domains[] = {
+ [PX30_PD_USB] = DOMAIN_PX30("usb", BIT(5), BIT(5), BIT(10), false),
+ [PX30_PD_SDCARD] = DOMAIN_PX30("sdcard", BIT(8), BIT(8), BIT(9), false),
+ [PX30_PD_GMAC] = DOMAIN_PX30("gmac", BIT(10), BIT(10), BIT(6), false),
+ [PX30_PD_MMC_NAND] = DOMAIN_PX30("mmc_nand", BIT(11), BIT(11), BIT(5), false),
+ [PX30_PD_VPU] = DOMAIN_PX30("vpu", BIT(12), BIT(12), BIT(14), false),
+ [PX30_PD_VO] = DOMAIN_PX30("vo", BIT(13), BIT(13), BIT(7), false),
+ [PX30_PD_VI] = DOMAIN_PX30("vi", BIT(14), BIT(14), BIT(8), false),
+ [PX30_PD_GPU] = DOMAIN_PX30("gpu", BIT(15), BIT(15), BIT(2), false),
+};
+
+static const struct rockchip_domain_info rv1126_pm_domains[] = {
+ [RV1126_PD_VEPU] = DOMAIN_RV1126("vepu", BIT(2), BIT(9), BIT(9), false),
+ [RV1126_PD_VI] = DOMAIN_RV1126("vi", BIT(4), BIT(6), BIT(6), false),
+ [RV1126_PD_VO] = DOMAIN_RV1126("vo", BIT(5), BIT(7), BIT(7), false),
+ [RV1126_PD_ISPP] = DOMAIN_RV1126("ispp", BIT(1), BIT(8), BIT(8), false),
+ [RV1126_PD_VDPU] = DOMAIN_RV1126("vdpu", BIT(3), BIT(10), BIT(10), false),
+ [RV1126_PD_NVM] = DOMAIN_RV1126("nvm", BIT(7), BIT(11), BIT(11), false),
+ [RV1126_PD_SDIO] = DOMAIN_RV1126("sdio", BIT(8), BIT(13), BIT(13), false),
+ [RV1126_PD_USB] = DOMAIN_RV1126("usb", BIT(9), BIT(15), BIT(15), false),
+};
+
+static const struct rockchip_domain_info rk3036_pm_domains[] = {
+ [RK3036_PD_MSCH] = DOMAIN_RK3036("msch", BIT(14), BIT(23), BIT(30), true),
+ [RK3036_PD_CORE] = DOMAIN_RK3036("core", BIT(13), BIT(17), BIT(24), false),
+ [RK3036_PD_PERI] = DOMAIN_RK3036("peri", BIT(12), BIT(18), BIT(25), false),
+ [RK3036_PD_VIO] = DOMAIN_RK3036("vio", BIT(11), BIT(19), BIT(26), false),
+ [RK3036_PD_VPU] = DOMAIN_RK3036("vpu", BIT(10), BIT(20), BIT(27), false),
+ [RK3036_PD_GPU] = DOMAIN_RK3036("gpu", BIT(9), BIT(21), BIT(28), false),
+ [RK3036_PD_SYS] = DOMAIN_RK3036("sys", BIT(8), BIT(22), BIT(29), false),
+};
+
+static const struct rockchip_domain_info rk3066_pm_domains[] = {
+ [RK3066_PD_GPU] = DOMAIN("gpu", BIT(9), BIT(9), BIT(3), BIT(24), BIT(29), false),
+ [RK3066_PD_VIDEO] = DOMAIN("video", BIT(8), BIT(8), BIT(4), BIT(23), BIT(28), false),
+ [RK3066_PD_VIO] = DOMAIN("vio", BIT(7), BIT(7), BIT(5), BIT(22), BIT(27), false),
+ [RK3066_PD_PERI] = DOMAIN("peri", BIT(6), BIT(6), BIT(2), BIT(25), BIT(30), false),
+ [RK3066_PD_CPU] = DOMAIN("cpu", 0, BIT(5), BIT(1), BIT(26), BIT(31), false),
+};
+
+static const struct rockchip_domain_info rk3128_pm_domains[] = {
+ [RK3128_PD_CORE] = DOMAIN_RK3288("core", BIT(0), BIT(0), BIT(4), false),
+ [RK3128_PD_MSCH] = DOMAIN_RK3288("msch", 0, 0, BIT(6), true),
+ [RK3128_PD_VIO] = DOMAIN_RK3288("vio", BIT(3), BIT(3), BIT(2), false),
+ [RK3128_PD_VIDEO] = DOMAIN_RK3288("video", BIT(2), BIT(2), BIT(1), false),
+ [RK3128_PD_GPU] = DOMAIN_RK3288("gpu", BIT(1), BIT(1), BIT(3), false),
+};
+
+static const struct rockchip_domain_info rk3188_pm_domains[] = {
+ [RK3188_PD_GPU] = DOMAIN("gpu", BIT(9), BIT(9), BIT(3), BIT(24), BIT(29), false),
+ [RK3188_PD_VIDEO] = DOMAIN("video", BIT(8), BIT(8), BIT(4), BIT(23), BIT(28), false),
+ [RK3188_PD_VIO] = DOMAIN("vio", BIT(7), BIT(7), BIT(5), BIT(22), BIT(27), false),
+ [RK3188_PD_PERI] = DOMAIN("peri", BIT(6), BIT(6), BIT(2), BIT(25), BIT(30), false),
+ [RK3188_PD_CPU] = DOMAIN("cpu", BIT(5), BIT(5), BIT(1), BIT(26), BIT(31), false),
+};
+
+static const struct rockchip_domain_info rk3228_pm_domains[] = {
+ [RK3228_PD_CORE] = DOMAIN_RK3036("core", BIT(0), BIT(0), BIT(16), true),
+ [RK3228_PD_MSCH] = DOMAIN_RK3036("msch", BIT(1), BIT(1), BIT(17), true),
+ [RK3228_PD_BUS] = DOMAIN_RK3036("bus", BIT(2), BIT(2), BIT(18), true),
+ [RK3228_PD_SYS] = DOMAIN_RK3036("sys", BIT(3), BIT(3), BIT(19), true),
+ [RK3228_PD_VIO] = DOMAIN_RK3036("vio", BIT(4), BIT(4), BIT(20), false),
+ [RK3228_PD_VOP] = DOMAIN_RK3036("vop", BIT(5), BIT(5), BIT(21), false),
+ [RK3228_PD_VPU] = DOMAIN_RK3036("vpu", BIT(6), BIT(6), BIT(22), false),
+ [RK3228_PD_RKVDEC] = DOMAIN_RK3036("vdec", BIT(7), BIT(7), BIT(23), false),
+ [RK3228_PD_GPU] = DOMAIN_RK3036("gpu", BIT(8), BIT(8), BIT(24), false),
+ [RK3228_PD_PERI] = DOMAIN_RK3036("peri", BIT(9), BIT(9), BIT(25), true),
+ [RK3228_PD_GMAC] = DOMAIN_RK3036("gmac", BIT(10), BIT(10), BIT(26), false),
+};
+
+static const struct rockchip_domain_info rk3288_pm_domains[] = {
+ [RK3288_PD_VIO] = DOMAIN_RK3288("vio", BIT(7), BIT(7), BIT(4), false),
+ [RK3288_PD_HEVC] = DOMAIN_RK3288("hevc", BIT(14), BIT(10), BIT(9), false),
+ [RK3288_PD_VIDEO] = DOMAIN_RK3288("video", BIT(8), BIT(8), BIT(3), false),
+ [RK3288_PD_GPU] = DOMAIN_RK3288("gpu", BIT(9), BIT(9), BIT(2), false),
+};
+
+static const struct rockchip_domain_info rk3328_pm_domains[] = {
+ [RK3328_PD_CORE] = DOMAIN_RK3328("core", 0, BIT(0), BIT(0), false),
+ [RK3328_PD_GPU] = DOMAIN_RK3328("gpu", 0, BIT(1), BIT(1), false),
+ [RK3328_PD_BUS] = DOMAIN_RK3328("bus", 0, BIT(2), BIT(2), true),
+ [RK3328_PD_MSCH] = DOMAIN_RK3328("msch", 0, BIT(3), BIT(3), true),
+ [RK3328_PD_PERI] = DOMAIN_RK3328("peri", 0, BIT(4), BIT(4), true),
+ [RK3328_PD_VIDEO] = DOMAIN_RK3328("video", 0, BIT(5), BIT(5), false),
+ [RK3328_PD_HEVC] = DOMAIN_RK3328("hevc", 0, BIT(6), BIT(6), false),
+ [RK3328_PD_VIO] = DOMAIN_RK3328("vio", 0, BIT(8), BIT(8), false),
+ [RK3328_PD_VPU] = DOMAIN_RK3328("vpu", 0, BIT(9), BIT(9), false),
+};
+
+static const struct rockchip_domain_info rk3366_pm_domains[] = {
+ [RK3366_PD_PERI] = DOMAIN_RK3368("peri", BIT(10), BIT(10), BIT(6), true),
+ [RK3366_PD_VIO] = DOMAIN_RK3368("vio", BIT(14), BIT(14), BIT(8), false),
+ [RK3366_PD_VIDEO] = DOMAIN_RK3368("video", BIT(13), BIT(13), BIT(7), false),
+ [RK3366_PD_RKVDEC] = DOMAIN_RK3368("vdec", BIT(11), BIT(11), BIT(7), false),
+ [RK3366_PD_WIFIBT] = DOMAIN_RK3368("wifibt", BIT(8), BIT(8), BIT(9), false),
+ [RK3366_PD_VPU] = DOMAIN_RK3368("vpu", BIT(12), BIT(12), BIT(7), false),
+ [RK3366_PD_GPU] = DOMAIN_RK3368("gpu", BIT(15), BIT(15), BIT(2), false),
+};
+
+static const struct rockchip_domain_info rk3368_pm_domains[] = {
+ [RK3368_PD_PERI] = DOMAIN_RK3368("peri", BIT(13), BIT(12), BIT(6), true),
+ [RK3368_PD_VIO] = DOMAIN_RK3368("vio", BIT(15), BIT(14), BIT(8), false),
+ [RK3368_PD_VIDEO] = DOMAIN_RK3368("video", BIT(14), BIT(13), BIT(7), false),
+ [RK3368_PD_GPU_0] = DOMAIN_RK3368("gpu_0", BIT(16), BIT(15), BIT(2), false),
+ [RK3368_PD_GPU_1] = DOMAIN_RK3368("gpu_1", BIT(17), BIT(16), BIT(2), false),
+};
+
+static const struct rockchip_domain_info rk3399_pm_domains[] = {
+ [RK3399_PD_TCPD0] = DOMAIN_RK3399("tcpd0", BIT(8), BIT(8), 0, false),
+ [RK3399_PD_TCPD1] = DOMAIN_RK3399("tcpd1", BIT(9), BIT(9), 0, false),
+ [RK3399_PD_CCI] = DOMAIN_RK3399("cci", BIT(10), BIT(10), 0, true),
+ [RK3399_PD_CCI0] = DOMAIN_RK3399("cci0", 0, 0, BIT(15), true),
+ [RK3399_PD_CCI1] = DOMAIN_RK3399("cci1", 0, 0, BIT(16), true),
+ [RK3399_PD_PERILP] = DOMAIN_RK3399("perilp", BIT(11), BIT(11), BIT(1), true),
+ [RK3399_PD_PERIHP] = DOMAIN_RK3399("perihp", BIT(12), BIT(12), BIT(2), true),
+ [RK3399_PD_CENTER] = DOMAIN_RK3399("center", BIT(13), BIT(13), BIT(14), true),
+ [RK3399_PD_VIO] = DOMAIN_RK3399("vio", BIT(14), BIT(14), BIT(17), false),
+ [RK3399_PD_GPU] = DOMAIN_RK3399("gpu", BIT(15), BIT(15), BIT(0), false),
+ [RK3399_PD_VCODEC] = DOMAIN_RK3399("vcodec", BIT(16), BIT(16), BIT(3), false),
+ [RK3399_PD_VDU] = DOMAIN_RK3399("vdu", BIT(17), BIT(17), BIT(4), false),
+ [RK3399_PD_RGA] = DOMAIN_RK3399("rga", BIT(18), BIT(18), BIT(5), false),
+ [RK3399_PD_IEP] = DOMAIN_RK3399("iep", BIT(19), BIT(19), BIT(6), false),
+ [RK3399_PD_VO] = DOMAIN_RK3399("vo", BIT(20), BIT(20), 0, false),
+ [RK3399_PD_VOPB] = DOMAIN_RK3399("vopb", 0, 0, BIT(7), false),
+ [RK3399_PD_VOPL] = DOMAIN_RK3399("vopl", 0, 0, BIT(8), false),
+ [RK3399_PD_ISP0] = DOMAIN_RK3399("isp0", BIT(22), BIT(22), BIT(9), false),
+ [RK3399_PD_ISP1] = DOMAIN_RK3399("isp1", BIT(23), BIT(23), BIT(10), false),
+ [RK3399_PD_HDCP] = DOMAIN_RK3399("hdcp", BIT(24), BIT(24), BIT(11), false),
+ [RK3399_PD_GMAC] = DOMAIN_RK3399("gmac", BIT(25), BIT(25), BIT(23), true),
+ [RK3399_PD_EMMC] = DOMAIN_RK3399("emmc", BIT(26), BIT(26), BIT(24), true),
+ [RK3399_PD_USB3] = DOMAIN_RK3399("usb3", BIT(27), BIT(27), BIT(12), true),
+ [RK3399_PD_EDP] = DOMAIN_RK3399("edp", BIT(28), BIT(28), BIT(22), false),
+ [RK3399_PD_GIC] = DOMAIN_RK3399("gic", BIT(29), BIT(29), BIT(27), true),
+ [RK3399_PD_SD] = DOMAIN_RK3399("sd", BIT(30), BIT(30), BIT(28), true),
+ [RK3399_PD_SDIOAUDIO] = DOMAIN_RK3399("sdioaudio", BIT(31), BIT(31), BIT(29), true),
+};
+
+static const struct rockchip_domain_info rk3568_pm_domains[] = {
+ [RK3568_PD_NPU] = DOMAIN_RK3568("npu", BIT(1), BIT(2), false),
+ [RK3568_PD_GPU] = DOMAIN_RK3568("gpu", BIT(0), BIT(1), false),
+ [RK3568_PD_VI] = DOMAIN_RK3568("vi", BIT(6), BIT(3), false),
+ [RK3568_PD_VO] = DOMAIN_RK3568("vo", BIT(7), BIT(4), false),
+ [RK3568_PD_RGA] = DOMAIN_RK3568("rga", BIT(5), BIT(5), false),
+ [RK3568_PD_VPU] = DOMAIN_RK3568("vpu", BIT(2), BIT(6), false),
+ [RK3568_PD_RKVDEC] = DOMAIN_RK3568("vdec", BIT(4), BIT(8), false),
+ [RK3568_PD_RKVENC] = DOMAIN_RK3568("venc", BIT(3), BIT(7), false),
+ [RK3568_PD_PIPE] = DOMAIN_RK3568("pipe", BIT(8), BIT(11), false),
+};
+
+static const struct rockchip_domain_info rk3588_pm_domains[] = {
+ [RK3588_PD_GPU] = DOMAIN_RK3588("gpu", 0x0, BIT(0), 0, 0x0, 0, BIT(1), 0x0, BIT(0), BIT(0), false),
+ [RK3588_PD_NPU] = DOMAIN_RK3588("npu", 0x0, BIT(1), BIT(1), 0x0, 0, 0, 0x0, 0, 0, false),
+ [RK3588_PD_VCODEC] = DOMAIN_RK3588("vcodec", 0x0, BIT(2), BIT(2), 0x0, 0, 0, 0x0, 0, 0, false),
+ [RK3588_PD_NPUTOP] = DOMAIN_RK3588("nputop", 0x0, BIT(3), 0, 0x0, BIT(11), BIT(2), 0x0, BIT(1), BIT(1), false),
+ [RK3588_PD_NPU1] = DOMAIN_RK3588("npu1", 0x0, BIT(4), 0, 0x0, BIT(12), BIT(3), 0x0, BIT(2), BIT(2), false),
+ [RK3588_PD_NPU2] = DOMAIN_RK3588("npu2", 0x0, BIT(5), 0, 0x0, BIT(13), BIT(4), 0x0, BIT(3), BIT(3), false),
+ [RK3588_PD_VENC0] = DOMAIN_RK3588("venc0", 0x0, BIT(6), 0, 0x0, BIT(14), BIT(5), 0x0, BIT(4), BIT(4), false),
+ [RK3588_PD_VENC1] = DOMAIN_RK3588("venc1", 0x0, BIT(7), 0, 0x0, BIT(15), BIT(6), 0x0, BIT(5), BIT(5), false),
+ [RK3588_PD_RKVDEC0] = DOMAIN_RK3588("rkvdec0", 0x0, BIT(8), 0, 0x0, BIT(16), BIT(7), 0x0, BIT(6), BIT(6), false),
+ [RK3588_PD_RKVDEC1] = DOMAIN_RK3588("rkvdec1", 0x0, BIT(9), 0, 0x0, BIT(17), BIT(8), 0x0, BIT(7), BIT(7), false),
+ [RK3588_PD_VDPU] = DOMAIN_RK3588("vdpu", 0x0, BIT(10), 0, 0x0, BIT(18), BIT(9), 0x0, BIT(8), BIT(8), false),
+ [RK3588_PD_RGA30] = DOMAIN_RK3588("rga30", 0x0, BIT(11), 0, 0x0, BIT(19), BIT(10), 0x0, 0, 0, false),
+ [RK3588_PD_AV1] = DOMAIN_RK3588("av1", 0x0, BIT(12), 0, 0x0, BIT(20), BIT(11), 0x0, BIT(9), BIT(9), false),
+ [RK3588_PD_VI] = DOMAIN_RK3588("vi", 0x0, BIT(13), 0, 0x0, BIT(21), BIT(12), 0x0, BIT(10), BIT(10), false),
+ [RK3588_PD_FEC] = DOMAIN_RK3588("fec", 0x0, BIT(14), 0, 0x0, BIT(22), BIT(13), 0x0, 0, 0, false),
+ [RK3588_PD_ISP1] = DOMAIN_RK3588("isp1", 0x0, BIT(15), 0, 0x0, BIT(23), BIT(14), 0x0, BIT(11), BIT(11), false),
+ [RK3588_PD_RGA31] = DOMAIN_RK3588("rga31", 0x4, BIT(0), 0, 0x0, BIT(24), BIT(15), 0x0, BIT(12), BIT(12), false),
+ [RK3588_PD_VOP] = DOMAIN_RK3588("vop", 0x4, BIT(1), 0, 0x0, BIT(25), BIT(16), 0x0, BIT(13) | BIT(14), BIT(13) | BIT(14), false),
+ [RK3588_PD_VO0] = DOMAIN_RK3588("vo0", 0x4, BIT(2), 0, 0x0, BIT(26), BIT(17), 0x0, BIT(15), BIT(15), false),
+ [RK3588_PD_VO1] = DOMAIN_RK3588("vo1", 0x4, BIT(3), 0, 0x0, BIT(27), BIT(18), 0x4, BIT(0), BIT(16), false),
+ [RK3588_PD_AUDIO] = DOMAIN_RK3588("audio", 0x4, BIT(4), 0, 0x0, BIT(28), BIT(19), 0x4, BIT(1), BIT(17), false),
+ [RK3588_PD_PHP] = DOMAIN_RK3588("php", 0x4, BIT(5), 0, 0x0, BIT(29), BIT(20), 0x4, BIT(5), BIT(21), false),
+ [RK3588_PD_GMAC] = DOMAIN_RK3588("gmac", 0x4, BIT(6), 0, 0x0, BIT(30), BIT(21), 0x0, 0, 0, false),
+ [RK3588_PD_PCIE] = DOMAIN_RK3588("pcie", 0x4, BIT(7), 0, 0x0, BIT(31), BIT(22), 0x0, 0, 0, true),
+ [RK3588_PD_NVM] = DOMAIN_RK3588("nvm", 0x4, BIT(8), BIT(24), 0x4, 0, 0, 0x4, BIT(2), BIT(18), false),
+ [RK3588_PD_NVM0] = DOMAIN_RK3588("nvm0", 0x4, BIT(9), 0, 0x4, BIT(1), BIT(23), 0x0, 0, 0, false),
+ [RK3588_PD_SDIO] = DOMAIN_RK3588("sdio", 0x4, BIT(10), 0, 0x4, BIT(2), BIT(24), 0x4, BIT(3), BIT(19), false),
+ [RK3588_PD_USB] = DOMAIN_RK3588("usb", 0x4, BIT(11), 0, 0x4, BIT(3), BIT(25), 0x4, BIT(4), BIT(20), true),
+ [RK3588_PD_SDMMC] = DOMAIN_RK3588("sdmmc", 0x4, BIT(13), 0, 0x4, BIT(5), BIT(26), 0x0, 0, 0, false),
+};
+
+static const struct rockchip_pmu_info px30_pmu = {
+ .pwr_offset = 0x18,
+ .status_offset = 0x20,
+ .req_offset = 0x64,
+ .idle_offset = 0x6c,
+ .ack_offset = 0x6c,
+
+ .num_domains = ARRAY_SIZE(px30_pm_domains),
+ .domain_info = px30_pm_domains,
+};
+
+static const struct rockchip_pmu_info rk3036_pmu = {
+ .req_offset = 0x148,
+ .idle_offset = 0x14c,
+ .ack_offset = 0x14c,
+
+ .num_domains = ARRAY_SIZE(rk3036_pm_domains),
+ .domain_info = rk3036_pm_domains,
+};
+
+static const struct rockchip_pmu_info rk3066_pmu = {
+ .pwr_offset = 0x08,
+ .status_offset = 0x0c,
+ .req_offset = 0x38, /* PMU_MISC_CON1 */
+ .idle_offset = 0x0c,
+ .ack_offset = 0x0c,
+
+ .num_domains = ARRAY_SIZE(rk3066_pm_domains),
+ .domain_info = rk3066_pm_domains,
+};
+
+static const struct rockchip_pmu_info rk3128_pmu = {
+ .pwr_offset = 0x04,
+ .status_offset = 0x08,
+ .req_offset = 0x0c,
+ .idle_offset = 0x10,
+ .ack_offset = 0x10,
+
+ .num_domains = ARRAY_SIZE(rk3128_pm_domains),
+ .domain_info = rk3128_pm_domains,
+};
+
+static const struct rockchip_pmu_info rk3188_pmu = {
+ .pwr_offset = 0x08,
+ .status_offset = 0x0c,
+ .req_offset = 0x38, /* PMU_MISC_CON1 */
+ .idle_offset = 0x0c,
+ .ack_offset = 0x0c,
+
+ .num_domains = ARRAY_SIZE(rk3188_pm_domains),
+ .domain_info = rk3188_pm_domains,
+};
+
+static const struct rockchip_pmu_info rk3228_pmu = {
+ .req_offset = 0x40c,
+ .idle_offset = 0x488,
+ .ack_offset = 0x488,
+
+ .num_domains = ARRAY_SIZE(rk3228_pm_domains),
+ .domain_info = rk3228_pm_domains,
+};
+
+static const struct rockchip_pmu_info rk3288_pmu = {
+ .pwr_offset = 0x08,
+ .status_offset = 0x0c,
+ .req_offset = 0x10,
+ .idle_offset = 0x14,
+ .ack_offset = 0x14,
+
+ .core_pwrcnt_offset = 0x34,
+ .gpu_pwrcnt_offset = 0x3c,
+
+ .core_power_transition_time = 24, /* 1us */
+ .gpu_power_transition_time = 24, /* 1us */
+
+ .num_domains = ARRAY_SIZE(rk3288_pm_domains),
+ .domain_info = rk3288_pm_domains,
+};
+
+static const struct rockchip_pmu_info rk3328_pmu = {
+ .req_offset = 0x414,
+ .idle_offset = 0x484,
+ .ack_offset = 0x484,
+
+ .num_domains = ARRAY_SIZE(rk3328_pm_domains),
+ .domain_info = rk3328_pm_domains,
+};
+
+static const struct rockchip_pmu_info rk3366_pmu = {
+ .pwr_offset = 0x0c,
+ .status_offset = 0x10,
+ .req_offset = 0x3c,
+ .idle_offset = 0x40,
+ .ack_offset = 0x40,
+
+ .core_pwrcnt_offset = 0x48,
+ .gpu_pwrcnt_offset = 0x50,
+
+ .core_power_transition_time = 24,
+ .gpu_power_transition_time = 24,
+
+ .num_domains = ARRAY_SIZE(rk3366_pm_domains),
+ .domain_info = rk3366_pm_domains,
+};
+
+static const struct rockchip_pmu_info rk3368_pmu = {
+ .pwr_offset = 0x0c,
+ .status_offset = 0x10,
+ .req_offset = 0x3c,
+ .idle_offset = 0x40,
+ .ack_offset = 0x40,
+
+ .core_pwrcnt_offset = 0x48,
+ .gpu_pwrcnt_offset = 0x50,
+
+ .core_power_transition_time = 24,
+ .gpu_power_transition_time = 24,
+
+ .num_domains = ARRAY_SIZE(rk3368_pm_domains),
+ .domain_info = rk3368_pm_domains,
+};
+
+static const struct rockchip_pmu_info rk3399_pmu = {
+ .pwr_offset = 0x14,
+ .status_offset = 0x18,
+ .req_offset = 0x60,
+ .idle_offset = 0x64,
+ .ack_offset = 0x68,
+
+ /* ARM Trusted Firmware manages power transition times */
+
+ .num_domains = ARRAY_SIZE(rk3399_pm_domains),
+ .domain_info = rk3399_pm_domains,
+};
+
+static const struct rockchip_pmu_info rk3568_pmu = {
+ .pwr_offset = 0xa0,
+ .status_offset = 0x98,
+ .req_offset = 0x50,
+ .idle_offset = 0x68,
+ .ack_offset = 0x60,
+
+ .num_domains = ARRAY_SIZE(rk3568_pm_domains),
+ .domain_info = rk3568_pm_domains,
+};
+
+static const struct rockchip_pmu_info rk3588_pmu = {
+ .pwr_offset = 0x14c,
+ .status_offset = 0x180,
+ .req_offset = 0x10c,
+ .idle_offset = 0x120,
+ .ack_offset = 0x118,
+ .mem_pwr_offset = 0x1a0,
+ .chain_status_offset = 0x1f0,
+ .mem_status_offset = 0x1f8,
+ .repair_status_offset = 0x290,
+
+ .num_domains = ARRAY_SIZE(rk3588_pm_domains),
+ .domain_info = rk3588_pm_domains,
+};
+
+static const struct rockchip_pmu_info rv1126_pmu = {
+ .pwr_offset = 0x110,
+ .status_offset = 0x108,
+ .req_offset = 0xc0,
+ .idle_offset = 0xd8,
+ .ack_offset = 0xd0,
+
+ .num_domains = ARRAY_SIZE(rv1126_pm_domains),
+ .domain_info = rv1126_pm_domains,
+};
+
+static const struct of_device_id rockchip_pm_domain_dt_match[] = {
+ {
+ .compatible = "rockchip,px30-power-controller",
+ .data = (void *)&px30_pmu,
+ },
+ {
+ .compatible = "rockchip,rk3036-power-controller",
+ .data = (void *)&rk3036_pmu,
+ },
+ {
+ .compatible = "rockchip,rk3066-power-controller",
+ .data = (void *)&rk3066_pmu,
+ },
+ {
+ .compatible = "rockchip,rk3128-power-controller",
+ .data = (void *)&rk3128_pmu,
+ },
+ {
+ .compatible = "rockchip,rk3188-power-controller",
+ .data = (void *)&rk3188_pmu,
+ },
+ {
+ .compatible = "rockchip,rk3228-power-controller",
+ .data = (void *)&rk3228_pmu,
+ },
+ {
+ .compatible = "rockchip,rk3288-power-controller",
+ .data = (void *)&rk3288_pmu,
+ },
+ {
+ .compatible = "rockchip,rk3328-power-controller",
+ .data = (void *)&rk3328_pmu,
+ },
+ {
+ .compatible = "rockchip,rk3366-power-controller",
+ .data = (void *)&rk3366_pmu,
+ },
+ {
+ .compatible = "rockchip,rk3368-power-controller",
+ .data = (void *)&rk3368_pmu,
+ },
+ {
+ .compatible = "rockchip,rk3399-power-controller",
+ .data = (void *)&rk3399_pmu,
+ },
+ {
+ .compatible = "rockchip,rk3568-power-controller",
+ .data = (void *)&rk3568_pmu,
+ },
+ {
+ .compatible = "rockchip,rk3588-power-controller",
+ .data = (void *)&rk3588_pmu,
+ },
+ {
+ .compatible = "rockchip,rv1126-power-controller",
+ .data = (void *)&rv1126_pmu,
+ },
+ { /* sentinel */ },
+};
+
+static struct platform_driver rockchip_pm_domain_driver = {
+ .probe = rockchip_pm_domain_probe,
+ .driver = {
+ .name = "rockchip-pm-domain",
+ .of_match_table = rockchip_pm_domain_dt_match,
+ /*
+ * We can't forcibly eject devices from the power
+ * domain, so we can't really remove power domains
+ * once they were added.
+ */
+ .suppress_bind_attrs = true,
+ },
+};
+
+static int __init rockchip_pm_domain_drv_register(void)
+{
+ return platform_driver_register(&rockchip_pm_domain_driver);
+}
+postcore_initcall(rockchip_pm_domain_drv_register);
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_EXYNOS_PM_DOMAINS) += exynos-pm-domains.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+//
+// Exynos Generic power domain support.
+//
+// Copyright (c) 2012 Samsung Electronics Co., Ltd.
+// http://www.samsung.com
+//
+// Implementation of Exynos specific power domain control which is used in
+// conjunction with runtime-pm. Support for both device-tree and non-device-tree
+// based power domain support is included.
+
+#include <linux/io.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/pm_domain.h>
+#include <linux/delay.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/pm_runtime.h>
+
+struct exynos_pm_domain_config {
+ /* Value for LOCAL_PWR_CFG and STATUS fields for each domain */
+ u32 local_pwr_cfg;
+};
+
+/*
+ * Exynos specific wrapper around the generic power domain
+ */
+struct exynos_pm_domain {
+ void __iomem *base;
+ struct generic_pm_domain pd;
+ u32 local_pwr_cfg;
+};
+
+static int exynos_pd_power(struct generic_pm_domain *domain, bool power_on)
+{
+ struct exynos_pm_domain *pd;
+ void __iomem *base;
+ u32 timeout, pwr;
+ char *op;
+
+ pd = container_of(domain, struct exynos_pm_domain, pd);
+ base = pd->base;
+
+ pwr = power_on ? pd->local_pwr_cfg : 0;
+ writel_relaxed(pwr, base);
+
+ /* Wait max 1ms */
+ timeout = 10;
+
+ while ((readl_relaxed(base + 0x4) & pd->local_pwr_cfg) != pwr) {
+ if (!timeout) {
+ op = (power_on) ? "enable" : "disable";
+ pr_err("Power domain %s %s failed\n", domain->name, op);
+ return -ETIMEDOUT;
+ }
+ timeout--;
+ cpu_relax();
+ usleep_range(80, 100);
+ }
+
+ return 0;
+}
+
+static int exynos_pd_power_on(struct generic_pm_domain *domain)
+{
+ return exynos_pd_power(domain, true);
+}
+
+static int exynos_pd_power_off(struct generic_pm_domain *domain)
+{
+ return exynos_pd_power(domain, false);
+}
+
+static const struct exynos_pm_domain_config exynos4210_cfg = {
+ .local_pwr_cfg = 0x7,
+};
+
+static const struct exynos_pm_domain_config exynos5433_cfg = {
+ .local_pwr_cfg = 0xf,
+};
+
+static const struct of_device_id exynos_pm_domain_of_match[] = {
+ {
+ .compatible = "samsung,exynos4210-pd",
+ .data = &exynos4210_cfg,
+ }, {
+ .compatible = "samsung,exynos5433-pd",
+ .data = &exynos5433_cfg,
+ },
+ { },
+};
+
+static const char *exynos_get_domain_name(struct device_node *node)
+{
+ const char *name;
+
+ if (of_property_read_string(node, "label", &name) < 0)
+ name = kbasename(node->full_name);
+ return kstrdup_const(name, GFP_KERNEL);
+}
+
+static int exynos_pd_probe(struct platform_device *pdev)
+{
+ const struct exynos_pm_domain_config *pm_domain_cfg;
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ struct of_phandle_args child, parent;
+ struct exynos_pm_domain *pd;
+ int on, ret;
+
+ pm_domain_cfg = of_device_get_match_data(dev);
+ pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
+ if (!pd)
+ return -ENOMEM;
+
+ pd->pd.name = exynos_get_domain_name(np);
+ if (!pd->pd.name)
+ return -ENOMEM;
+
+ pd->base = of_iomap(np, 0);
+ if (!pd->base) {
+ kfree_const(pd->pd.name);
+ return -ENODEV;
+ }
+
+ pd->pd.power_off = exynos_pd_power_off;
+ pd->pd.power_on = exynos_pd_power_on;
+ pd->local_pwr_cfg = pm_domain_cfg->local_pwr_cfg;
+
+ on = readl_relaxed(pd->base + 0x4) & pd->local_pwr_cfg;
+
+ pm_genpd_init(&pd->pd, NULL, !on);
+ ret = of_genpd_add_provider_simple(np, &pd->pd);
+
+ if (ret == 0 && of_parse_phandle_with_args(np, "power-domains",
+ "#power-domain-cells", 0, &parent) == 0) {
+ child.np = np;
+ child.args_count = 0;
+
+ if (of_genpd_add_subdomain(&parent, &child))
+ pr_warn("%pOF failed to add subdomain: %pOF\n",
+ parent.np, child.np);
+ else
+ pr_info("%pOF has as child subdomain: %pOF.\n",
+ parent.np, child.np);
+ }
+
+ pm_runtime_enable(dev);
+ return ret;
+}
+
+static struct platform_driver exynos_pd_driver = {
+ .probe = exynos_pd_probe,
+ .driver = {
+ .name = "exynos-pd",
+ .of_match_table = exynos_pm_domain_of_match,
+ .suppress_bind_attrs = true,
+ }
+};
+
+static __init int exynos4_pm_init_power_domain(void)
+{
+ return platform_driver_register(&exynos_pd_driver);
+}
+core_initcall(exynos4_pm_init_power_domain);
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_ARCH_U8500) += ste-ux500-pm-domain.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2014 Linaro Ltd.
+ *
+ * Author: Ulf Hansson <ulf.hansson@linaro.org>
+ *
+ * Implements PM domains using the generic PM domain for ux500.
+ */
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/printk.h>
+#include <linux/slab.h>
+#include <linux/err.h>
+#include <linux/of.h>
+#include <linux/pm_domain.h>
+
+#include <dt-bindings/arm/ux500_pm_domains.h>
+
+static int pd_power_off(struct generic_pm_domain *domain)
+{
+ /*
+ * Handle the gating of the PM domain regulator here.
+ *
+ * Drivers/subsystems handling devices in the PM domain needs to perform
+ * register context save/restore from their respective runtime PM
+ * callbacks, to be able to enable PM domain gating/ungating.
+ */
+ return 0;
+}
+
+static int pd_power_on(struct generic_pm_domain *domain)
+{
+ /*
+ * Handle the ungating of the PM domain regulator here.
+ *
+ * Drivers/subsystems handling devices in the PM domain needs to perform
+ * register context save/restore from their respective runtime PM
+ * callbacks, to be able to enable PM domain gating/ungating.
+ */
+ return 0;
+}
+
+static struct generic_pm_domain ux500_pm_domain_vape = {
+ .name = "VAPE",
+ .power_off = pd_power_off,
+ .power_on = pd_power_on,
+};
+
+static struct generic_pm_domain *ux500_pm_domains[NR_DOMAINS] = {
+ [DOMAIN_VAPE] = &ux500_pm_domain_vape,
+};
+
+static const struct of_device_id ux500_pm_domain_matches[] = {
+ { .compatible = "stericsson,ux500-pm-domains", },
+ { },
+};
+
+static int ux500_pm_domains_probe(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct genpd_onecell_data *genpd_data;
+ int i;
+
+ if (!np)
+ return -ENODEV;
+
+ genpd_data = kzalloc(sizeof(*genpd_data), GFP_KERNEL);
+ if (!genpd_data)
+ return -ENOMEM;
+
+ genpd_data->domains = ux500_pm_domains;
+ genpd_data->num_domains = ARRAY_SIZE(ux500_pm_domains);
+
+ for (i = 0; i < ARRAY_SIZE(ux500_pm_domains); ++i)
+ pm_genpd_init(ux500_pm_domains[i], NULL, false);
+
+ of_genpd_add_provider_onecell(np, genpd_data);
+ return 0;
+}
+
+static struct platform_driver ux500_pm_domains_driver = {
+ .probe = ux500_pm_domains_probe,
+ .driver = {
+ .name = "ux500_pm_domains",
+ .of_match_table = ux500_pm_domain_matches,
+ },
+};
+
+static int __init ux500_pm_domains_init(void)
+{
+ return platform_driver_register(&ux500_pm_domains_driver);
+}
+arch_initcall(ux500_pm_domains_init);
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_JH71XX_PMU) += jh71xx-pmu.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * StarFive JH71XX PMU (Power Management Unit) Controller Driver
+ *
+ * Copyright (C) 2022 StarFive Technology Co., Ltd.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <dt-bindings/power/starfive,jh7110-pmu.h>
+
+/* register offset */
+#define JH71XX_PMU_SW_TURN_ON_POWER 0x0C
+#define JH71XX_PMU_SW_TURN_OFF_POWER 0x10
+#define JH71XX_PMU_SW_ENCOURAGE 0x44
+#define JH71XX_PMU_TIMER_INT_MASK 0x48
+#define JH71XX_PMU_CURR_POWER_MODE 0x80
+#define JH71XX_PMU_EVENT_STATUS 0x88
+#define JH71XX_PMU_INT_STATUS 0x8C
+
+/* sw encourage cfg */
+#define JH71XX_PMU_SW_ENCOURAGE_EN_LO 0x05
+#define JH71XX_PMU_SW_ENCOURAGE_EN_HI 0x50
+#define JH71XX_PMU_SW_ENCOURAGE_DIS_LO 0x0A
+#define JH71XX_PMU_SW_ENCOURAGE_DIS_HI 0xA0
+#define JH71XX_PMU_SW_ENCOURAGE_ON 0xFF
+
+/* pmu int status */
+#define JH71XX_PMU_INT_SEQ_DONE BIT(0)
+#define JH71XX_PMU_INT_HW_REQ BIT(1)
+#define JH71XX_PMU_INT_SW_FAIL GENMASK(3, 2)
+#define JH71XX_PMU_INT_HW_FAIL GENMASK(5, 4)
+#define JH71XX_PMU_INT_PCH_FAIL GENMASK(8, 6)
+#define JH71XX_PMU_INT_ALL_MASK GENMASK(8, 0)
+
+/*
+ * The time required for switching power status is based on the time
+ * to turn on the largest domain's power, which is at microsecond level
+ */
+#define JH71XX_PMU_TIMEOUT_US 100
+
+struct jh71xx_domain_info {
+ const char * const name;
+ unsigned int flags;
+ u8 bit;
+};
+
+struct jh71xx_pmu_match_data {
+ const struct jh71xx_domain_info *domain_info;
+ int num_domains;
+};
+
+struct jh71xx_pmu {
+ struct device *dev;
+ const struct jh71xx_pmu_match_data *match_data;
+ void __iomem *base;
+ struct generic_pm_domain **genpd;
+ struct genpd_onecell_data genpd_data;
+ int irq;
+ spinlock_t lock; /* protects pmu reg */
+};
+
+struct jh71xx_pmu_dev {
+ const struct jh71xx_domain_info *domain_info;
+ struct jh71xx_pmu *pmu;
+ struct generic_pm_domain genpd;
+};
+
+static int jh71xx_pmu_get_state(struct jh71xx_pmu_dev *pmd, u32 mask, bool *is_on)
+{
+ struct jh71xx_pmu *pmu = pmd->pmu;
+
+ if (!mask)
+ return -EINVAL;
+
+ *is_on = readl(pmu->base + JH71XX_PMU_CURR_POWER_MODE) & mask;
+
+ return 0;
+}
+
+static int jh71xx_pmu_set_state(struct jh71xx_pmu_dev *pmd, u32 mask, bool on)
+{
+ struct jh71xx_pmu *pmu = pmd->pmu;
+ unsigned long flags;
+ u32 val;
+ u32 mode;
+ u32 encourage_lo;
+ u32 encourage_hi;
+ bool is_on;
+ int ret;
+
+ ret = jh71xx_pmu_get_state(pmd, mask, &is_on);
+ if (ret) {
+ dev_dbg(pmu->dev, "unable to get current state for %s\n",
+ pmd->genpd.name);
+ return ret;
+ }
+
+ if (is_on == on) {
+ dev_dbg(pmu->dev, "pm domain [%s] is already %sable status.\n",
+ pmd->genpd.name, on ? "en" : "dis");
+ return 0;
+ }
+
+ spin_lock_irqsave(&pmu->lock, flags);
+
+ /*
+ * The PMU accepts software encourage to switch power mode in the following 2 steps:
+ *
+ * 1.Configure the register SW_TURN_ON_POWER (offset 0x0c) by writing 1 to
+ * the bit corresponding to the power domain that will be turned on
+ * and writing 0 to the others.
+ * Likewise, configure the register SW_TURN_OFF_POWER (offset 0x10) by
+ * writing 1 to the bit corresponding to the power domain that will be
+ * turned off and writing 0 to the others.
+ */
+ if (on) {
+ mode = JH71XX_PMU_SW_TURN_ON_POWER;
+ encourage_lo = JH71XX_PMU_SW_ENCOURAGE_EN_LO;
+ encourage_hi = JH71XX_PMU_SW_ENCOURAGE_EN_HI;
+ } else {
+ mode = JH71XX_PMU_SW_TURN_OFF_POWER;
+ encourage_lo = JH71XX_PMU_SW_ENCOURAGE_DIS_LO;
+ encourage_hi = JH71XX_PMU_SW_ENCOURAGE_DIS_HI;
+ }
+
+ writel(mask, pmu->base + mode);
+
+ /*
+ * 2.Write SW encourage command sequence to the Software Encourage Reg (offset 0x44)
+ * First write SW_MODE_ENCOURAGE_ON to JH71XX_PMU_SW_ENCOURAGE. This will reset
+ * the state machine which parses the command sequence. This register must be
+ * written every time software wants to power on/off a domain.
+ * Then write the lower bits of the command sequence, followed by the upper
+ * bits. The sequence differs between powering on & off a domain.
+ */
+ writel(JH71XX_PMU_SW_ENCOURAGE_ON, pmu->base + JH71XX_PMU_SW_ENCOURAGE);
+ writel(encourage_lo, pmu->base + JH71XX_PMU_SW_ENCOURAGE);
+ writel(encourage_hi, pmu->base + JH71XX_PMU_SW_ENCOURAGE);
+
+ spin_unlock_irqrestore(&pmu->lock, flags);
+
+ /* Wait for the power domain bit to be enabled / disabled */
+ if (on) {
+ ret = readl_poll_timeout_atomic(pmu->base + JH71XX_PMU_CURR_POWER_MODE,
+ val, val & mask,
+ 1, JH71XX_PMU_TIMEOUT_US);
+ } else {
+ ret = readl_poll_timeout_atomic(pmu->base + JH71XX_PMU_CURR_POWER_MODE,
+ val, !(val & mask),
+ 1, JH71XX_PMU_TIMEOUT_US);
+ }
+
+ if (ret) {
+ dev_err(pmu->dev, "%s: failed to power %s\n",
+ pmd->genpd.name, on ? "on" : "off");
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+static int jh71xx_pmu_on(struct generic_pm_domain *genpd)
+{
+ struct jh71xx_pmu_dev *pmd = container_of(genpd,
+ struct jh71xx_pmu_dev, genpd);
+ u32 pwr_mask = BIT(pmd->domain_info->bit);
+
+ return jh71xx_pmu_set_state(pmd, pwr_mask, true);
+}
+
+static int jh71xx_pmu_off(struct generic_pm_domain *genpd)
+{
+ struct jh71xx_pmu_dev *pmd = container_of(genpd,
+ struct jh71xx_pmu_dev, genpd);
+ u32 pwr_mask = BIT(pmd->domain_info->bit);
+
+ return jh71xx_pmu_set_state(pmd, pwr_mask, false);
+}
+
+static void jh71xx_pmu_int_enable(struct jh71xx_pmu *pmu, u32 mask, bool enable)
+{
+ u32 val;
+ unsigned long flags;
+
+ spin_lock_irqsave(&pmu->lock, flags);
+ val = readl(pmu->base + JH71XX_PMU_TIMER_INT_MASK);
+
+ if (enable)
+ val &= ~mask;
+ else
+ val |= mask;
+
+ writel(val, pmu->base + JH71XX_PMU_TIMER_INT_MASK);
+ spin_unlock_irqrestore(&pmu->lock, flags);
+}
+
+static irqreturn_t jh71xx_pmu_interrupt(int irq, void *data)
+{
+ struct jh71xx_pmu *pmu = data;
+ u32 val;
+
+ val = readl(pmu->base + JH71XX_PMU_INT_STATUS);
+
+ if (val & JH71XX_PMU_INT_SEQ_DONE)
+ dev_dbg(pmu->dev, "sequence done.\n");
+ if (val & JH71XX_PMU_INT_HW_REQ)
+ dev_dbg(pmu->dev, "hardware encourage requestion.\n");
+ if (val & JH71XX_PMU_INT_SW_FAIL)
+ dev_err(pmu->dev, "software encourage fail.\n");
+ if (val & JH71XX_PMU_INT_HW_FAIL)
+ dev_err(pmu->dev, "hardware encourage fail.\n");
+ if (val & JH71XX_PMU_INT_PCH_FAIL)
+ dev_err(pmu->dev, "p-channel fail event.\n");
+
+ /* clear interrupts */
+ writel(val, pmu->base + JH71XX_PMU_INT_STATUS);
+ writel(val, pmu->base + JH71XX_PMU_EVENT_STATUS);
+
+ return IRQ_HANDLED;
+}
+
+static int jh71xx_pmu_init_domain(struct jh71xx_pmu *pmu, int index)
+{
+ struct jh71xx_pmu_dev *pmd;
+ u32 pwr_mask;
+ int ret;
+ bool is_on = false;
+
+ pmd = devm_kzalloc(pmu->dev, sizeof(*pmd), GFP_KERNEL);
+ if (!pmd)
+ return -ENOMEM;
+
+ pmd->domain_info = &pmu->match_data->domain_info[index];
+ pmd->pmu = pmu;
+ pwr_mask = BIT(pmd->domain_info->bit);
+
+ pmd->genpd.name = pmd->domain_info->name;
+ pmd->genpd.flags = pmd->domain_info->flags;
+
+ ret = jh71xx_pmu_get_state(pmd, pwr_mask, &is_on);
+ if (ret)
+ dev_warn(pmu->dev, "unable to get current state for %s\n",
+ pmd->genpd.name);
+
+ pmd->genpd.power_on = jh71xx_pmu_on;
+ pmd->genpd.power_off = jh71xx_pmu_off;
+ pm_genpd_init(&pmd->genpd, NULL, !is_on);
+
+ pmu->genpd_data.domains[index] = &pmd->genpd;
+
+ return 0;
+}
+
+static int jh71xx_pmu_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ const struct jh71xx_pmu_match_data *match_data;
+ struct jh71xx_pmu *pmu;
+ unsigned int i;
+ int ret;
+
+ pmu = devm_kzalloc(dev, sizeof(*pmu), GFP_KERNEL);
+ if (!pmu)
+ return -ENOMEM;
+
+ pmu->base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(pmu->base))
+ return PTR_ERR(pmu->base);
+
+ pmu->irq = platform_get_irq(pdev, 0);
+ if (pmu->irq < 0)
+ return pmu->irq;
+
+ ret = devm_request_irq(dev, pmu->irq, jh71xx_pmu_interrupt,
+ 0, pdev->name, pmu);
+ if (ret)
+ dev_err(dev, "failed to request irq\n");
+
+ match_data = of_device_get_match_data(dev);
+ if (!match_data)
+ return -EINVAL;
+
+ pmu->genpd = devm_kcalloc(dev, match_data->num_domains,
+ sizeof(struct generic_pm_domain *),
+ GFP_KERNEL);
+ if (!pmu->genpd)
+ return -ENOMEM;
+
+ pmu->dev = dev;
+ pmu->match_data = match_data;
+ pmu->genpd_data.domains = pmu->genpd;
+ pmu->genpd_data.num_domains = match_data->num_domains;
+
+ for (i = 0; i < match_data->num_domains; i++) {
+ ret = jh71xx_pmu_init_domain(pmu, i);
+ if (ret) {
+ dev_err(dev, "failed to initialize power domain\n");
+ return ret;
+ }
+ }
+
+ spin_lock_init(&pmu->lock);
+ jh71xx_pmu_int_enable(pmu, JH71XX_PMU_INT_ALL_MASK & ~JH71XX_PMU_INT_PCH_FAIL, true);
+
+ ret = of_genpd_add_provider_onecell(np, &pmu->genpd_data);
+ if (ret) {
+ dev_err(dev, "failed to register genpd driver: %d\n", ret);
+ return ret;
+ }
+
+ dev_dbg(dev, "registered %u power domains\n", i);
+
+ return 0;
+}
+
+static const struct jh71xx_domain_info jh7110_power_domains[] = {
+ [JH7110_PD_SYSTOP] = {
+ .name = "SYSTOP",
+ .bit = 0,
+ .flags = GENPD_FLAG_ALWAYS_ON,
+ },
+ [JH7110_PD_CPU] = {
+ .name = "CPU",
+ .bit = 1,
+ .flags = GENPD_FLAG_ALWAYS_ON,
+ },
+ [JH7110_PD_GPUA] = {
+ .name = "GPUA",
+ .bit = 2,
+ },
+ [JH7110_PD_VDEC] = {
+ .name = "VDEC",
+ .bit = 3,
+ },
+ [JH7110_PD_VOUT] = {
+ .name = "VOUT",
+ .bit = 4,
+ },
+ [JH7110_PD_ISP] = {
+ .name = "ISP",
+ .bit = 5,
+ },
+ [JH7110_PD_VENC] = {
+ .name = "VENC",
+ .bit = 6,
+ },
+};
+
+static const struct jh71xx_pmu_match_data jh7110_pmu = {
+ .num_domains = ARRAY_SIZE(jh7110_power_domains),
+ .domain_info = jh7110_power_domains,
+};
+
+static const struct of_device_id jh71xx_pmu_of_match[] = {
+ {
+ .compatible = "starfive,jh7110-pmu",
+ .data = (void *)&jh7110_pmu,
+ }, {
+ /* sentinel */
+ }
+};
+
+static struct platform_driver jh71xx_pmu_driver = {
+ .probe = jh71xx_pmu_probe,
+ .driver = {
+ .name = "jh71xx-pmu",
+ .of_match_table = jh71xx_pmu_of_match,
+ .suppress_bind_attrs = true,
+ },
+};
+builtin_platform_driver(jh71xx_pmu_driver);
+
+MODULE_AUTHOR("Walker Chen <walker.chen@starfivetech.com>");
+MODULE_DESCRIPTION("StarFive JH71XX PMU Driver");
+MODULE_LICENSE("GPL");
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_SUN20I_PPU) += sun20i-ppu.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/bitfield.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/reset.h>
+
+#define PD_STATE_ON 1
+#define PD_STATE_OFF 2
+
+#define PD_RSTN_REG 0x00
+#define PD_CLK_GATE_REG 0x04
+#define PD_PWROFF_GATE_REG 0x08
+#define PD_PSW_ON_REG 0x0c
+#define PD_PSW_OFF_REG 0x10
+#define PD_PSW_DELAY_REG 0x14
+#define PD_OFF_DELAY_REG 0x18
+#define PD_ON_DELAY_REG 0x1c
+#define PD_COMMAND_REG 0x20
+#define PD_STATUS_REG 0x24
+#define PD_STATUS_COMPLETE BIT(1)
+#define PD_STATUS_BUSY BIT(3)
+#define PD_STATUS_STATE GENMASK(17, 16)
+#define PD_ACTIVE_CTRL_REG 0x2c
+#define PD_GATE_STATUS_REG 0x30
+#define PD_RSTN_STATUS BIT(0)
+#define PD_CLK_GATE_STATUS BIT(1)
+#define PD_PWROFF_GATE_STATUS BIT(2)
+#define PD_PSW_STATUS_REG 0x34
+
+#define PD_REGS_SIZE 0x80
+
+struct sun20i_ppu_desc {
+ const char *const *names;
+ unsigned int num_domains;
+};
+
+struct sun20i_ppu_pd {
+ struct generic_pm_domain genpd;
+ void __iomem *base;
+};
+
+#define to_sun20i_ppu_pd(_genpd) \
+ container_of(_genpd, struct sun20i_ppu_pd, genpd)
+
+static bool sun20i_ppu_pd_is_on(const struct sun20i_ppu_pd *pd)
+{
+ u32 status = readl(pd->base + PD_STATUS_REG);
+
+ return FIELD_GET(PD_STATUS_STATE, status) == PD_STATE_ON;
+}
+
+static int sun20i_ppu_pd_set_power(const struct sun20i_ppu_pd *pd, bool power_on)
+{
+ u32 state, status;
+ int ret;
+
+ if (sun20i_ppu_pd_is_on(pd) == power_on)
+ return 0;
+
+ /* Wait for the power controller to be idle. */
+ ret = readl_poll_timeout(pd->base + PD_STATUS_REG, status,
+ !(status & PD_STATUS_BUSY), 100, 1000);
+ if (ret)
+ return ret;
+
+ state = power_on ? PD_STATE_ON : PD_STATE_OFF;
+ writel(state, pd->base + PD_COMMAND_REG);
+
+ /* Wait for the state transition to complete. */
+ ret = readl_poll_timeout(pd->base + PD_STATUS_REG, status,
+ FIELD_GET(PD_STATUS_STATE, status) == state &&
+ (status & PD_STATUS_COMPLETE), 100, 1000);
+ if (ret)
+ return ret;
+
+ /* Clear the completion flag. */
+ writel(status, pd->base + PD_STATUS_REG);
+
+ return 0;
+}
+
+static int sun20i_ppu_pd_power_on(struct generic_pm_domain *genpd)
+{
+ const struct sun20i_ppu_pd *pd = to_sun20i_ppu_pd(genpd);
+
+ return sun20i_ppu_pd_set_power(pd, true);
+}
+
+static int sun20i_ppu_pd_power_off(struct generic_pm_domain *genpd)
+{
+ const struct sun20i_ppu_pd *pd = to_sun20i_ppu_pd(genpd);
+
+ return sun20i_ppu_pd_set_power(pd, false);
+}
+
+static int sun20i_ppu_probe(struct platform_device *pdev)
+{
+ const struct sun20i_ppu_desc *desc;
+ struct device *dev = &pdev->dev;
+ struct genpd_onecell_data *ppu;
+ struct sun20i_ppu_pd *pds;
+ struct reset_control *rst;
+ void __iomem *base;
+ struct clk *clk;
+ int ret;
+
+ desc = of_device_get_match_data(dev);
+ if (!desc)
+ return -EINVAL;
+
+ pds = devm_kcalloc(dev, desc->num_domains, sizeof(*pds), GFP_KERNEL);
+ if (!pds)
+ return -ENOMEM;
+
+ ppu = devm_kzalloc(dev, sizeof(*ppu), GFP_KERNEL);
+ if (!ppu)
+ return -ENOMEM;
+
+ ppu->domains = devm_kcalloc(dev, desc->num_domains,
+ sizeof(*ppu->domains), GFP_KERNEL);
+ if (!ppu->domains)
+ return -ENOMEM;
+
+ ppu->num_domains = desc->num_domains;
+ platform_set_drvdata(pdev, ppu);
+
+ base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ clk = devm_clk_get_enabled(dev, NULL);
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+
+ rst = devm_reset_control_get_exclusive(dev, NULL);
+ if (IS_ERR(rst))
+ return PTR_ERR(rst);
+
+ ret = reset_control_deassert(rst);
+ if (ret)
+ return ret;
+
+ for (unsigned int i = 0; i < ppu->num_domains; ++i) {
+ struct sun20i_ppu_pd *pd = &pds[i];
+
+ pd->genpd.name = desc->names[i];
+ pd->genpd.power_off = sun20i_ppu_pd_power_off;
+ pd->genpd.power_on = sun20i_ppu_pd_power_on;
+ pd->base = base + PD_REGS_SIZE * i;
+
+ ret = pm_genpd_init(&pd->genpd, NULL, sun20i_ppu_pd_is_on(pd));
+ if (ret) {
+ dev_warn(dev, "Failed to add '%s' domain: %d\n",
+ pd->genpd.name, ret);
+ continue;
+ }
+
+ ppu->domains[i] = &pd->genpd;
+ }
+
+ ret = of_genpd_add_provider_onecell(dev->of_node, ppu);
+ if (ret)
+ dev_warn(dev, "Failed to add provider: %d\n", ret);
+
+ return 0;
+}
+
+static const char *const sun20i_d1_ppu_pd_names[] = {
+ "CPU",
+ "VE",
+ "DSP",
+};
+
+static const struct sun20i_ppu_desc sun20i_d1_ppu_desc = {
+ .names = sun20i_d1_ppu_pd_names,
+ .num_domains = ARRAY_SIZE(sun20i_d1_ppu_pd_names),
+};
+
+static const struct of_device_id sun20i_ppu_of_match[] = {
+ {
+ .compatible = "allwinner,sun20i-d1-ppu",
+ .data = &sun20i_d1_ppu_desc,
+ },
+ { }
+};
+MODULE_DEVICE_TABLE(of, sun20i_ppu_of_match);
+
+static struct platform_driver sun20i_ppu_driver = {
+ .probe = sun20i_ppu_probe,
+ .driver = {
+ .name = "sun20i-ppu",
+ .of_match_table = sun20i_ppu_of_match,
+ /* Power domains cannot be removed while they are in use. */
+ .suppress_bind_attrs = true,
+ },
+};
+module_platform_driver(sun20i_ppu_driver);
+
+MODULE_AUTHOR("Samuel Holland <samuel@sholland.org>");
+MODULE_DESCRIPTION("Allwinner D1 PPU power domain driver");
+MODULE_LICENSE("GPL");
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_SOC_TEGRA_POWERGATE_BPMP) += powergate-bpmp.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2016-2017, NVIDIA CORPORATION. All rights reserved
+ */
+
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+
+#include <soc/tegra/bpmp.h>
+#include <soc/tegra/bpmp-abi.h>
+
+struct tegra_powergate_info {
+ unsigned int id;
+ char *name;
+};
+
+struct tegra_powergate {
+ struct generic_pm_domain genpd;
+ struct tegra_bpmp *bpmp;
+ unsigned int id;
+};
+
+static inline struct tegra_powergate *
+to_tegra_powergate(struct generic_pm_domain *genpd)
+{
+ return container_of(genpd, struct tegra_powergate, genpd);
+}
+
+static int tegra_bpmp_powergate_set_state(struct tegra_bpmp *bpmp,
+ unsigned int id, u32 state)
+{
+ struct mrq_pg_request request;
+ struct tegra_bpmp_message msg;
+ int err;
+
+ memset(&request, 0, sizeof(request));
+ request.cmd = CMD_PG_SET_STATE;
+ request.id = id;
+ request.set_state.state = state;
+
+ memset(&msg, 0, sizeof(msg));
+ msg.mrq = MRQ_PG;
+ msg.tx.data = &request;
+ msg.tx.size = sizeof(request);
+
+ err = tegra_bpmp_transfer(bpmp, &msg);
+ if (err < 0)
+ return err;
+ else if (msg.rx.ret < 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int tegra_bpmp_powergate_get_state(struct tegra_bpmp *bpmp,
+ unsigned int id)
+{
+ struct mrq_pg_response response;
+ struct mrq_pg_request request;
+ struct tegra_bpmp_message msg;
+ int err;
+
+ memset(&request, 0, sizeof(request));
+ request.cmd = CMD_PG_GET_STATE;
+ request.id = id;
+
+ memset(&response, 0, sizeof(response));
+
+ memset(&msg, 0, sizeof(msg));
+ msg.mrq = MRQ_PG;
+ msg.tx.data = &request;
+ msg.tx.size = sizeof(request);
+ msg.rx.data = &response;
+ msg.rx.size = sizeof(response);
+
+ err = tegra_bpmp_transfer(bpmp, &msg);
+ if (err < 0)
+ return PG_STATE_OFF;
+ else if (msg.rx.ret < 0)
+ return -EINVAL;
+
+ return response.get_state.state;
+}
+
+static int tegra_bpmp_powergate_get_max_id(struct tegra_bpmp *bpmp)
+{
+ struct mrq_pg_response response;
+ struct mrq_pg_request request;
+ struct tegra_bpmp_message msg;
+ int err;
+
+ memset(&request, 0, sizeof(request));
+ request.cmd = CMD_PG_GET_MAX_ID;
+
+ memset(&response, 0, sizeof(response));
+
+ memset(&msg, 0, sizeof(msg));
+ msg.mrq = MRQ_PG;
+ msg.tx.data = &request;
+ msg.tx.size = sizeof(request);
+ msg.rx.data = &response;
+ msg.rx.size = sizeof(response);
+
+ err = tegra_bpmp_transfer(bpmp, &msg);
+ if (err < 0)
+ return err;
+ else if (msg.rx.ret < 0)
+ return -EINVAL;
+
+ return response.get_max_id.max_id;
+}
+
+static char *tegra_bpmp_powergate_get_name(struct tegra_bpmp *bpmp,
+ unsigned int id)
+{
+ struct mrq_pg_response response;
+ struct mrq_pg_request request;
+ struct tegra_bpmp_message msg;
+ int err;
+
+ memset(&request, 0, sizeof(request));
+ request.cmd = CMD_PG_GET_NAME;
+ request.id = id;
+
+ memset(&response, 0, sizeof(response));
+
+ memset(&msg, 0, sizeof(msg));
+ msg.mrq = MRQ_PG;
+ msg.tx.data = &request;
+ msg.tx.size = sizeof(request);
+ msg.rx.data = &response;
+ msg.rx.size = sizeof(response);
+
+ err = tegra_bpmp_transfer(bpmp, &msg);
+ if (err < 0 || msg.rx.ret < 0)
+ return NULL;
+
+ return kstrdup(response.get_name.name, GFP_KERNEL);
+}
+
+static inline bool tegra_bpmp_powergate_is_powered(struct tegra_bpmp *bpmp,
+ unsigned int id)
+{
+ return tegra_bpmp_powergate_get_state(bpmp, id) != PG_STATE_OFF;
+}
+
+static int tegra_powergate_power_on(struct generic_pm_domain *domain)
+{
+ struct tegra_powergate *powergate = to_tegra_powergate(domain);
+ struct tegra_bpmp *bpmp = powergate->bpmp;
+
+ return tegra_bpmp_powergate_set_state(bpmp, powergate->id,
+ PG_STATE_ON);
+}
+
+static int tegra_powergate_power_off(struct generic_pm_domain *domain)
+{
+ struct tegra_powergate *powergate = to_tegra_powergate(domain);
+ struct tegra_bpmp *bpmp = powergate->bpmp;
+
+ return tegra_bpmp_powergate_set_state(bpmp, powergate->id,
+ PG_STATE_OFF);
+}
+
+static struct tegra_powergate *
+tegra_powergate_add(struct tegra_bpmp *bpmp,
+ const struct tegra_powergate_info *info)
+{
+ struct tegra_powergate *powergate;
+ bool off;
+ int err;
+
+ off = !tegra_bpmp_powergate_is_powered(bpmp, info->id);
+
+ powergate = devm_kzalloc(bpmp->dev, sizeof(*powergate), GFP_KERNEL);
+ if (!powergate)
+ return ERR_PTR(-ENOMEM);
+
+ powergate->id = info->id;
+ powergate->bpmp = bpmp;
+
+ powergate->genpd.name = kstrdup(info->name, GFP_KERNEL);
+ powergate->genpd.power_on = tegra_powergate_power_on;
+ powergate->genpd.power_off = tegra_powergate_power_off;
+
+ err = pm_genpd_init(&powergate->genpd, NULL, off);
+ if (err < 0) {
+ kfree(powergate->genpd.name);
+ return ERR_PTR(err);
+ }
+
+ return powergate;
+}
+
+static void tegra_powergate_remove(struct tegra_powergate *powergate)
+{
+ struct generic_pm_domain *genpd = &powergate->genpd;
+ struct tegra_bpmp *bpmp = powergate->bpmp;
+ int err;
+
+ err = pm_genpd_remove(genpd);
+ if (err < 0)
+ dev_err(bpmp->dev, "failed to remove power domain %s: %d\n",
+ genpd->name, err);
+
+ kfree(genpd->name);
+}
+
+static int
+tegra_bpmp_probe_powergates(struct tegra_bpmp *bpmp,
+ struct tegra_powergate_info **powergatesp)
+{
+ struct tegra_powergate_info *powergates;
+ unsigned int max_id, id, count = 0;
+ unsigned int num_holes = 0;
+ int err;
+
+ err = tegra_bpmp_powergate_get_max_id(bpmp);
+ if (err < 0)
+ return err;
+
+ max_id = err;
+
+ dev_dbg(bpmp->dev, "maximum powergate ID: %u\n", max_id);
+
+ powergates = kcalloc(max_id + 1, sizeof(*powergates), GFP_KERNEL);
+ if (!powergates)
+ return -ENOMEM;
+
+ for (id = 0; id <= max_id; id++) {
+ struct tegra_powergate_info *info = &powergates[count];
+
+ info->name = tegra_bpmp_powergate_get_name(bpmp, id);
+ if (!info->name || info->name[0] == '\0') {
+ num_holes++;
+ continue;
+ }
+
+ info->id = id;
+ count++;
+ }
+
+ dev_dbg(bpmp->dev, "holes: %u\n", num_holes);
+
+ *powergatesp = powergates;
+
+ return count;
+}
+
+static int tegra_bpmp_add_powergates(struct tegra_bpmp *bpmp,
+ struct tegra_powergate_info *powergates,
+ unsigned int count)
+{
+ struct genpd_onecell_data *genpd = &bpmp->genpd;
+ struct generic_pm_domain **domains;
+ struct tegra_powergate *powergate;
+ unsigned int i;
+ int err;
+
+ domains = kcalloc(count, sizeof(*domains), GFP_KERNEL);
+ if (!domains)
+ return -ENOMEM;
+
+ for (i = 0; i < count; i++) {
+ powergate = tegra_powergate_add(bpmp, &powergates[i]);
+ if (IS_ERR(powergate)) {
+ err = PTR_ERR(powergate);
+ goto remove;
+ }
+
+ dev_dbg(bpmp->dev, "added power domain %s\n",
+ powergate->genpd.name);
+ domains[i] = &powergate->genpd;
+ }
+
+ genpd->num_domains = count;
+ genpd->domains = domains;
+
+ return 0;
+
+remove:
+ while (i--) {
+ powergate = to_tegra_powergate(domains[i]);
+ tegra_powergate_remove(powergate);
+ }
+
+ kfree(domains);
+ return err;
+}
+
+static void tegra_bpmp_remove_powergates(struct tegra_bpmp *bpmp)
+{
+ struct genpd_onecell_data *genpd = &bpmp->genpd;
+ unsigned int i = genpd->num_domains;
+ struct tegra_powergate *powergate;
+
+ while (i--) {
+ dev_dbg(bpmp->dev, "removing power domain %s\n",
+ genpd->domains[i]->name);
+ powergate = to_tegra_powergate(genpd->domains[i]);
+ tegra_powergate_remove(powergate);
+ }
+}
+
+static struct generic_pm_domain *
+tegra_powergate_xlate(struct of_phandle_args *spec, void *data)
+{
+ struct generic_pm_domain *domain = ERR_PTR(-ENOENT);
+ struct genpd_onecell_data *genpd = data;
+ unsigned int i;
+
+ for (i = 0; i < genpd->num_domains; i++) {
+ struct tegra_powergate *powergate;
+
+ powergate = to_tegra_powergate(genpd->domains[i]);
+ if (powergate->id == spec->args[0]) {
+ domain = &powergate->genpd;
+ break;
+ }
+ }
+
+ return domain;
+}
+
+int tegra_bpmp_init_powergates(struct tegra_bpmp *bpmp)
+{
+ struct device_node *np = bpmp->dev->of_node;
+ struct tegra_powergate_info *powergates;
+ struct device *dev = bpmp->dev;
+ unsigned int count, i;
+ int err;
+
+ err = tegra_bpmp_probe_powergates(bpmp, &powergates);
+ if (err < 0)
+ return err;
+
+ count = err;
+
+ dev_dbg(dev, "%u power domains probed\n", count);
+
+ err = tegra_bpmp_add_powergates(bpmp, powergates, count);
+ if (err < 0)
+ goto free;
+
+ bpmp->genpd.xlate = tegra_powergate_xlate;
+
+ err = of_genpd_add_provider_onecell(np, &bpmp->genpd);
+ if (err < 0) {
+ dev_err(dev, "failed to add power domain provider: %d\n", err);
+ tegra_bpmp_remove_powergates(bpmp);
+ }
+
+free:
+ for (i = 0; i < count; i++)
+ kfree(powergates[i].name);
+
+ kfree(powergates);
+ return err;
+}
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_ARCH_OMAP2PLUS) += omap_prm.o
+obj-$(CONFIG_TI_SCI_PM_DOMAINS) += ti_sci_pm_domains.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * OMAP2+ PRM driver
+ *
+ * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+ * Tero Kristo <t-kristo@ti.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/pm_clock.h>
+#include <linux/pm_domain.h>
+#include <linux/reset-controller.h>
+#include <linux/delay.h>
+
+#include <linux/platform_data/ti-prm.h>
+
+enum omap_prm_domain_mode {
+ OMAP_PRMD_OFF,
+ OMAP_PRMD_RETENTION,
+ OMAP_PRMD_ON_INACTIVE,
+ OMAP_PRMD_ON_ACTIVE,
+};
+
+struct omap_prm_domain_map {
+ unsigned int usable_modes; /* Mask of hardware supported modes */
+ unsigned long statechange:1; /* Optional low-power state change */
+ unsigned long logicretstate:1; /* Optional logic off mode */
+};
+
+struct omap_prm_domain {
+ struct device *dev;
+ struct omap_prm *prm;
+ struct generic_pm_domain pd;
+ u16 pwrstctrl;
+ u16 pwrstst;
+ const struct omap_prm_domain_map *cap;
+ u32 pwrstctrl_saved;
+ unsigned int uses_pm_clk:1;
+};
+
+struct omap_rst_map {
+ s8 rst;
+ s8 st;
+};
+
+struct omap_prm_data {
+ u32 base;
+ const char *name;
+ const char *clkdm_name;
+ u16 pwrstctrl;
+ u16 pwrstst;
+ const struct omap_prm_domain_map *dmap;
+ u16 rstctrl;
+ u16 rstst;
+ const struct omap_rst_map *rstmap;
+ u8 flags;
+};
+
+struct omap_prm {
+ const struct omap_prm_data *data;
+ void __iomem *base;
+ struct omap_prm_domain *prmd;
+};
+
+struct omap_reset_data {
+ struct reset_controller_dev rcdev;
+ struct omap_prm *prm;
+ u32 mask;
+ spinlock_t lock;
+ struct clockdomain *clkdm;
+ struct device *dev;
+};
+
+#define genpd_to_prm_domain(gpd) container_of(gpd, struct omap_prm_domain, pd)
+#define to_omap_reset_data(p) container_of((p), struct omap_reset_data, rcdev)
+
+#define OMAP_MAX_RESETS 8
+#define OMAP_RESET_MAX_WAIT 10000
+
+#define OMAP_PRM_HAS_RSTCTRL BIT(0)
+#define OMAP_PRM_HAS_RSTST BIT(1)
+#define OMAP_PRM_HAS_NO_CLKDM BIT(2)
+#define OMAP_PRM_RET_WHEN_IDLE BIT(3)
+
+#define OMAP_PRM_HAS_RESETS (OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_RSTST)
+
+#define PRM_STATE_MAX_WAIT 10000
+#define PRM_LOGICRETSTATE BIT(2)
+#define PRM_LOWPOWERSTATECHANGE BIT(4)
+#define PRM_POWERSTATE_MASK OMAP_PRMD_ON_ACTIVE
+
+#define PRM_ST_INTRANSITION BIT(20)
+
+static const struct omap_prm_domain_map omap_prm_all = {
+ .usable_modes = BIT(OMAP_PRMD_ON_ACTIVE) | BIT(OMAP_PRMD_ON_INACTIVE) |
+ BIT(OMAP_PRMD_RETENTION) | BIT(OMAP_PRMD_OFF),
+ .statechange = 1,
+ .logicretstate = 1,
+};
+
+static const struct omap_prm_domain_map omap_prm_noinact = {
+ .usable_modes = BIT(OMAP_PRMD_ON_ACTIVE) | BIT(OMAP_PRMD_RETENTION) |
+ BIT(OMAP_PRMD_OFF),
+ .statechange = 1,
+ .logicretstate = 1,
+};
+
+static const struct omap_prm_domain_map omap_prm_nooff = {
+ .usable_modes = BIT(OMAP_PRMD_ON_ACTIVE) | BIT(OMAP_PRMD_ON_INACTIVE) |
+ BIT(OMAP_PRMD_RETENTION),
+ .statechange = 1,
+ .logicretstate = 1,
+};
+
+static const struct omap_prm_domain_map omap_prm_onoff_noauto = {
+ .usable_modes = BIT(OMAP_PRMD_ON_ACTIVE) | BIT(OMAP_PRMD_OFF),
+ .statechange = 1,
+};
+
+static const struct omap_prm_domain_map omap_prm_alwon = {
+ .usable_modes = BIT(OMAP_PRMD_ON_ACTIVE),
+};
+
+static const struct omap_prm_domain_map omap_prm_reton = {
+ .usable_modes = BIT(OMAP_PRMD_ON_ACTIVE) | BIT(OMAP_PRMD_RETENTION),
+ .statechange = 1,
+ .logicretstate = 1,
+};
+
+static const struct omap_rst_map rst_map_0[] = {
+ { .rst = 0, .st = 0 },
+ { .rst = -1 },
+};
+
+static const struct omap_rst_map rst_map_01[] = {
+ { .rst = 0, .st = 0 },
+ { .rst = 1, .st = 1 },
+ { .rst = -1 },
+};
+
+static const struct omap_rst_map rst_map_012[] = {
+ { .rst = 0, .st = 0 },
+ { .rst = 1, .st = 1 },
+ { .rst = 2, .st = 2 },
+ { .rst = -1 },
+};
+
+static const struct omap_prm_data omap4_prm_data[] = {
+ {
+ .name = "mpu", .base = 0x4a306300,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton,
+ },
+ {
+ .name = "tesla", .base = 0x4a306400,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact,
+ .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01
+ },
+ {
+ .name = "abe", .base = 0x4a306500,
+ .pwrstctrl = 0, .pwrstst = 0x4, .dmap = &omap_prm_all,
+ },
+ {
+ .name = "always_on_core", .base = 0x4a306600,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
+ },
+ {
+ .name = "core", .base = 0x4a306700,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton,
+ .rstctrl = 0x210, .rstst = 0x214, .clkdm_name = "ducati",
+ .rstmap = rst_map_012,
+ .flags = OMAP_PRM_RET_WHEN_IDLE,
+ },
+ {
+ .name = "ivahd", .base = 0x4a306f00,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact,
+ .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_012
+ },
+ {
+ .name = "cam", .base = 0x4a307000,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
+ },
+ {
+ .name = "dss", .base = 0x4a307100,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact
+ },
+ {
+ .name = "gfx", .base = 0x4a307200,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto
+ },
+ {
+ .name = "l3init", .base = 0x4a307300,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton
+ },
+ {
+ .name = "l4per", .base = 0x4a307400,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton,
+ .flags = OMAP_PRM_RET_WHEN_IDLE,
+ },
+ {
+ .name = "cefuse", .base = 0x4a307600,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto
+ },
+ {
+ .name = "wkup", .base = 0x4a307700,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon
+ },
+ {
+ .name = "emu", .base = 0x4a307900,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto
+ },
+ {
+ .name = "device", .base = 0x4a307b00,
+ .rstctrl = 0x0, .rstst = 0x4, .rstmap = rst_map_01,
+ .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM
+ },
+ { },
+};
+
+static const struct omap_prm_data omap5_prm_data[] = {
+ {
+ .name = "mpu", .base = 0x4ae06300,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton,
+ },
+ {
+ .name = "dsp", .base = 0x4ae06400,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact,
+ .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01
+ },
+ {
+ .name = "abe", .base = 0x4ae06500,
+ .pwrstctrl = 0, .pwrstst = 0x4, .dmap = &omap_prm_nooff,
+ },
+ {
+ .name = "coreaon", .base = 0x4ae06600,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon
+ },
+ {
+ .name = "core", .base = 0x4ae06700,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton,
+ .rstctrl = 0x210, .rstst = 0x214, .clkdm_name = "ipu",
+ .rstmap = rst_map_012
+ },
+ {
+ .name = "iva", .base = 0x4ae07200,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact,
+ .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_012
+ },
+ {
+ .name = "cam", .base = 0x4ae07300,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto
+ },
+ {
+ .name = "dss", .base = 0x4ae07400,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact
+ },
+ {
+ .name = "gpu", .base = 0x4ae07500,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto
+ },
+ {
+ .name = "l3init", .base = 0x4ae07600,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton
+ },
+ {
+ .name = "custefuse", .base = 0x4ae07700,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto
+ },
+ {
+ .name = "wkupaon", .base = 0x4ae07800,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon
+ },
+ {
+ .name = "emu", .base = 0x4ae07a00,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto
+ },
+ {
+ .name = "device", .base = 0x4ae07c00,
+ .rstctrl = 0x0, .rstst = 0x4, .rstmap = rst_map_01,
+ .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM
+ },
+ { },
+};
+
+static const struct omap_prm_data dra7_prm_data[] = {
+ {
+ .name = "mpu", .base = 0x4ae06300,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton,
+ },
+ {
+ .name = "dsp1", .base = 0x4ae06400,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
+ .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01,
+ },
+ {
+ .name = "ipu", .base = 0x4ae06500,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
+ .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_012,
+ .clkdm_name = "ipu1"
+ },
+ {
+ .name = "coreaon", .base = 0x4ae06628,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
+ },
+ {
+ .name = "core", .base = 0x4ae06700,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
+ .rstctrl = 0x210, .rstst = 0x214, .rstmap = rst_map_012,
+ .clkdm_name = "ipu2"
+ },
+ {
+ .name = "iva", .base = 0x4ae06f00,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
+ .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_012,
+ },
+ {
+ .name = "cam", .base = 0x4ae07000,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
+ },
+ {
+ .name = "dss", .base = 0x4ae07100,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
+ },
+ {
+ .name = "gpu", .base = 0x4ae07200,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
+ },
+ {
+ .name = "l3init", .base = 0x4ae07300,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
+ .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01,
+ .clkdm_name = "pcie"
+ },
+ {
+ .name = "l4per", .base = 0x4ae07400,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
+ },
+ {
+ .name = "custefuse", .base = 0x4ae07600,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
+ },
+ {
+ .name = "wkupaon", .base = 0x4ae07724,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
+ },
+ {
+ .name = "emu", .base = 0x4ae07900,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
+ },
+ {
+ .name = "dsp2", .base = 0x4ae07b00,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
+ .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01
+ },
+ {
+ .name = "eve1", .base = 0x4ae07b40,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
+ .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01
+ },
+ {
+ .name = "eve2", .base = 0x4ae07b80,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
+ .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01
+ },
+ {
+ .name = "eve3", .base = 0x4ae07bc0,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
+ .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01
+ },
+ {
+ .name = "eve4", .base = 0x4ae07c00,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
+ .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01
+ },
+ {
+ .name = "rtc", .base = 0x4ae07c60,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
+ },
+ {
+ .name = "vpe", .base = 0x4ae07c80,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
+ },
+ { },
+};
+
+static const struct omap_rst_map am3_per_rst_map[] = {
+ { .rst = 1 },
+ { .rst = -1 },
+};
+
+static const struct omap_rst_map am3_wkup_rst_map[] = {
+ { .rst = 3, .st = 5 },
+ { .rst = -1 },
+};
+
+static const struct omap_prm_data am3_prm_data[] = {
+ {
+ .name = "per", .base = 0x44e00c00,
+ .pwrstctrl = 0xc, .pwrstst = 0x8, .dmap = &omap_prm_noinact,
+ .rstctrl = 0x0, .rstmap = am3_per_rst_map,
+ .flags = OMAP_PRM_HAS_RSTCTRL, .clkdm_name = "pruss_ocp"
+ },
+ {
+ .name = "wkup", .base = 0x44e00d00,
+ .pwrstctrl = 0x4, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
+ .rstctrl = 0x0, .rstst = 0xc, .rstmap = am3_wkup_rst_map,
+ .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM
+ },
+ {
+ .name = "mpu", .base = 0x44e00e00,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact,
+ },
+ {
+ .name = "device", .base = 0x44e00f00,
+ .rstctrl = 0x0, .rstst = 0x8, .rstmap = rst_map_01,
+ .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM
+ },
+ {
+ .name = "rtc", .base = 0x44e01000,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
+ },
+ {
+ .name = "gfx", .base = 0x44e01100,
+ .pwrstctrl = 0, .pwrstst = 0x10, .dmap = &omap_prm_noinact,
+ .rstctrl = 0x4, .rstst = 0x14, .rstmap = rst_map_0, .clkdm_name = "gfx_l3",
+ },
+ {
+ .name = "cefuse", .base = 0x44e01200,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
+ },
+ { },
+};
+
+static const struct omap_rst_map am4_per_rst_map[] = {
+ { .rst = 1, .st = 0 },
+ { .rst = -1 },
+};
+
+static const struct omap_rst_map am4_device_rst_map[] = {
+ { .rst = 0, .st = 1 },
+ { .rst = 1, .st = 0 },
+ { .rst = -1 },
+};
+
+static const struct omap_prm_data am4_prm_data[] = {
+ {
+ .name = "mpu", .base = 0x44df0300,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact,
+ },
+ {
+ .name = "gfx", .base = 0x44df0400,
+ .pwrstctrl = 0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
+ .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_0, .clkdm_name = "gfx_l3",
+ },
+ {
+ .name = "rtc", .base = 0x44df0500,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
+ },
+ {
+ .name = "tamper", .base = 0x44df0600,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
+ },
+ {
+ .name = "cefuse", .base = 0x44df0700,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto,
+ },
+ {
+ .name = "per", .base = 0x44df0800,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact,
+ .rstctrl = 0x10, .rstst = 0x14, .rstmap = am4_per_rst_map,
+ .clkdm_name = "pruss_ocp"
+ },
+ {
+ .name = "wkup", .base = 0x44df2000,
+ .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon,
+ .rstctrl = 0x10, .rstst = 0x14, .rstmap = am3_wkup_rst_map,
+ .flags = OMAP_PRM_HAS_NO_CLKDM
+ },
+ {
+ .name = "device", .base = 0x44df4000,
+ .rstctrl = 0x0, .rstst = 0x4, .rstmap = am4_device_rst_map,
+ .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM
+ },
+ { },
+};
+
+static const struct of_device_id omap_prm_id_table[] = {
+ { .compatible = "ti,omap4-prm-inst", .data = omap4_prm_data },
+ { .compatible = "ti,omap5-prm-inst", .data = omap5_prm_data },
+ { .compatible = "ti,dra7-prm-inst", .data = dra7_prm_data },
+ { .compatible = "ti,am3-prm-inst", .data = am3_prm_data },
+ { .compatible = "ti,am4-prm-inst", .data = am4_prm_data },
+ { },
+};
+
+#ifdef DEBUG
+static void omap_prm_domain_show_state(struct omap_prm_domain *prmd,
+ const char *desc)
+{
+ dev_dbg(prmd->dev, "%s %s: %08x/%08x\n",
+ prmd->pd.name, desc,
+ readl_relaxed(prmd->prm->base + prmd->pwrstctrl),
+ readl_relaxed(prmd->prm->base + prmd->pwrstst));
+}
+#else
+static inline void omap_prm_domain_show_state(struct omap_prm_domain *prmd,
+ const char *desc)
+{
+}
+#endif
+
+static int omap_prm_domain_power_on(struct generic_pm_domain *domain)
+{
+ struct omap_prm_domain *prmd;
+ int ret;
+ u32 v, mode;
+
+ prmd = genpd_to_prm_domain(domain);
+ if (!prmd->cap)
+ return 0;
+
+ omap_prm_domain_show_state(prmd, "on: previous state");
+
+ if (prmd->pwrstctrl_saved)
+ v = prmd->pwrstctrl_saved;
+ else
+ v = readl_relaxed(prmd->prm->base + prmd->pwrstctrl);
+
+ if (prmd->prm->data->flags & OMAP_PRM_RET_WHEN_IDLE)
+ mode = OMAP_PRMD_RETENTION;
+ else
+ mode = OMAP_PRMD_ON_ACTIVE;
+
+ writel_relaxed((v & ~PRM_POWERSTATE_MASK) | mode,
+ prmd->prm->base + prmd->pwrstctrl);
+
+ /* wait for the transition bit to get cleared */
+ ret = readl_relaxed_poll_timeout(prmd->prm->base + prmd->pwrstst,
+ v, !(v & PRM_ST_INTRANSITION), 1,
+ PRM_STATE_MAX_WAIT);
+ if (ret)
+ dev_err(prmd->dev, "%s: %s timed out\n",
+ prmd->pd.name, __func__);
+
+ omap_prm_domain_show_state(prmd, "on: new state");
+
+ return ret;
+}
+
+/* No need to check for holes in the mask for the lowest mode */
+static int omap_prm_domain_find_lowest(struct omap_prm_domain *prmd)
+{
+ return __ffs(prmd->cap->usable_modes);
+}
+
+static int omap_prm_domain_power_off(struct generic_pm_domain *domain)
+{
+ struct omap_prm_domain *prmd;
+ int ret;
+ u32 v;
+
+ prmd = genpd_to_prm_domain(domain);
+ if (!prmd->cap)
+ return 0;
+
+ omap_prm_domain_show_state(prmd, "off: previous state");
+
+ v = readl_relaxed(prmd->prm->base + prmd->pwrstctrl);
+ prmd->pwrstctrl_saved = v;
+
+ v &= ~PRM_POWERSTATE_MASK;
+ v |= omap_prm_domain_find_lowest(prmd);
+
+ if (prmd->cap->statechange)
+ v |= PRM_LOWPOWERSTATECHANGE;
+ if (prmd->cap->logicretstate)
+ v &= ~PRM_LOGICRETSTATE;
+ else
+ v |= PRM_LOGICRETSTATE;
+
+ writel_relaxed(v, prmd->prm->base + prmd->pwrstctrl);
+
+ /* wait for the transition bit to get cleared */
+ ret = readl_relaxed_poll_timeout(prmd->prm->base + prmd->pwrstst,
+ v, !(v & PRM_ST_INTRANSITION), 1,
+ PRM_STATE_MAX_WAIT);
+ if (ret)
+ dev_warn(prmd->dev, "%s: %s timed out\n",
+ __func__, prmd->pd.name);
+
+ omap_prm_domain_show_state(prmd, "off: new state");
+
+ return 0;
+}
+
+/*
+ * Note that ti-sysc already manages the module clocks separately so
+ * no need to manage those. Interconnect instances need clocks managed
+ * for simple-pm-bus.
+ */
+static int omap_prm_domain_attach_clock(struct device *dev,
+ struct omap_prm_domain *prmd)
+{
+ struct device_node *np = dev->of_node;
+ int error;
+
+ if (!of_device_is_compatible(np, "simple-pm-bus"))
+ return 0;
+
+ if (!of_property_read_bool(np, "clocks"))
+ return 0;
+
+ error = pm_clk_create(dev);
+ if (error)
+ return error;
+
+ error = of_pm_clk_add_clks(dev);
+ if (error < 0) {
+ pm_clk_destroy(dev);
+ return error;
+ }
+
+ prmd->uses_pm_clk = 1;
+
+ return 0;
+}
+
+static int omap_prm_domain_attach_dev(struct generic_pm_domain *domain,
+ struct device *dev)
+{
+ struct generic_pm_domain_data *genpd_data;
+ struct of_phandle_args pd_args;
+ struct omap_prm_domain *prmd;
+ struct device_node *np;
+ int ret;
+
+ prmd = genpd_to_prm_domain(domain);
+ np = dev->of_node;
+
+ ret = of_parse_phandle_with_args(np, "power-domains",
+ "#power-domain-cells", 0, &pd_args);
+ if (ret < 0)
+ return ret;
+
+ if (pd_args.args_count != 0)
+ dev_warn(dev, "%s: unusupported #power-domain-cells: %i\n",
+ prmd->pd.name, pd_args.args_count);
+
+ genpd_data = dev_gpd_data(dev);
+ genpd_data->data = NULL;
+
+ ret = omap_prm_domain_attach_clock(dev, prmd);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static void omap_prm_domain_detach_dev(struct generic_pm_domain *domain,
+ struct device *dev)
+{
+ struct generic_pm_domain_data *genpd_data;
+ struct omap_prm_domain *prmd;
+
+ prmd = genpd_to_prm_domain(domain);
+ if (prmd->uses_pm_clk)
+ pm_clk_destroy(dev);
+ genpd_data = dev_gpd_data(dev);
+ genpd_data->data = NULL;
+}
+
+static int omap_prm_domain_init(struct device *dev, struct omap_prm *prm)
+{
+ struct omap_prm_domain *prmd;
+ struct device_node *np = dev->of_node;
+ const struct omap_prm_data *data;
+ const char *name;
+ int error;
+
+ if (!of_property_present(dev->of_node, "#power-domain-cells"))
+ return 0;
+
+ of_node_put(dev->of_node);
+
+ prmd = devm_kzalloc(dev, sizeof(*prmd), GFP_KERNEL);
+ if (!prmd)
+ return -ENOMEM;
+
+ data = prm->data;
+ name = devm_kasprintf(dev, GFP_KERNEL, "prm_%s",
+ data->name);
+
+ prmd->dev = dev;
+ prmd->prm = prm;
+ prmd->cap = prmd->prm->data->dmap;
+ prmd->pwrstctrl = prmd->prm->data->pwrstctrl;
+ prmd->pwrstst = prmd->prm->data->pwrstst;
+
+ prmd->pd.name = name;
+ prmd->pd.power_on = omap_prm_domain_power_on;
+ prmd->pd.power_off = omap_prm_domain_power_off;
+ prmd->pd.attach_dev = omap_prm_domain_attach_dev;
+ prmd->pd.detach_dev = omap_prm_domain_detach_dev;
+ prmd->pd.flags = GENPD_FLAG_PM_CLK;
+
+ pm_genpd_init(&prmd->pd, NULL, true);
+ error = of_genpd_add_provider_simple(np, &prmd->pd);
+ if (error)
+ pm_genpd_remove(&prmd->pd);
+ else
+ prm->prmd = prmd;
+
+ return error;
+}
+
+static bool _is_valid_reset(struct omap_reset_data *reset, unsigned long id)
+{
+ if (reset->mask & BIT(id))
+ return true;
+
+ return false;
+}
+
+static int omap_reset_get_st_bit(struct omap_reset_data *reset,
+ unsigned long id)
+{
+ const struct omap_rst_map *map = reset->prm->data->rstmap;
+
+ while (map->rst >= 0) {
+ if (map->rst == id)
+ return map->st;
+
+ map++;
+ }
+
+ return id;
+}
+
+static int omap_reset_status(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ struct omap_reset_data *reset = to_omap_reset_data(rcdev);
+ u32 v;
+ int st_bit = omap_reset_get_st_bit(reset, id);
+ bool has_rstst = reset->prm->data->rstst ||
+ (reset->prm->data->flags & OMAP_PRM_HAS_RSTST);
+
+ /* Check if we have rstst */
+ if (!has_rstst)
+ return -ENOTSUPP;
+
+ /* Check if hw reset line is asserted */
+ v = readl_relaxed(reset->prm->base + reset->prm->data->rstctrl);
+ if (v & BIT(id))
+ return 1;
+
+ /*
+ * Check reset status, high value means reset sequence has been
+ * completed successfully so we can return 0 here (reset deasserted)
+ */
+ v = readl_relaxed(reset->prm->base + reset->prm->data->rstst);
+ v >>= st_bit;
+ v &= 1;
+
+ return !v;
+}
+
+static int omap_reset_assert(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ struct omap_reset_data *reset = to_omap_reset_data(rcdev);
+ u32 v;
+ unsigned long flags;
+
+ /* assert the reset control line */
+ spin_lock_irqsave(&reset->lock, flags);
+ v = readl_relaxed(reset->prm->base + reset->prm->data->rstctrl);
+ v |= 1 << id;
+ writel_relaxed(v, reset->prm->base + reset->prm->data->rstctrl);
+ spin_unlock_irqrestore(&reset->lock, flags);
+
+ return 0;
+}
+
+static int omap_reset_deassert(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ struct omap_reset_data *reset = to_omap_reset_data(rcdev);
+ u32 v;
+ int st_bit;
+ bool has_rstst;
+ unsigned long flags;
+ struct ti_prm_platform_data *pdata = dev_get_platdata(reset->dev);
+ int ret = 0;
+
+ /* Nothing to do if the reset is already deasserted */
+ if (!omap_reset_status(rcdev, id))
+ return 0;
+
+ has_rstst = reset->prm->data->rstst ||
+ (reset->prm->data->flags & OMAP_PRM_HAS_RSTST);
+
+ if (has_rstst) {
+ st_bit = omap_reset_get_st_bit(reset, id);
+
+ /* Clear the reset status by writing 1 to the status bit */
+ v = 1 << st_bit;
+ writel_relaxed(v, reset->prm->base + reset->prm->data->rstst);
+ }
+
+ if (reset->clkdm)
+ pdata->clkdm_deny_idle(reset->clkdm);
+
+ /* de-assert the reset control line */
+ spin_lock_irqsave(&reset->lock, flags);
+ v = readl_relaxed(reset->prm->base + reset->prm->data->rstctrl);
+ v &= ~(1 << id);
+ writel_relaxed(v, reset->prm->base + reset->prm->data->rstctrl);
+ spin_unlock_irqrestore(&reset->lock, flags);
+
+ /* wait for the reset bit to clear */
+ ret = readl_relaxed_poll_timeout_atomic(reset->prm->base +
+ reset->prm->data->rstctrl,
+ v, !(v & BIT(id)), 1,
+ OMAP_RESET_MAX_WAIT);
+ if (ret)
+ pr_err("%s: timedout waiting for %s:%lu\n", __func__,
+ reset->prm->data->name, id);
+
+ /* wait for the status to be set */
+ if (has_rstst) {
+ ret = readl_relaxed_poll_timeout_atomic(reset->prm->base +
+ reset->prm->data->rstst,
+ v, v & BIT(st_bit), 1,
+ OMAP_RESET_MAX_WAIT);
+ if (ret)
+ pr_err("%s: timedout waiting for %s:%lu\n", __func__,
+ reset->prm->data->name, id);
+ }
+
+ if (reset->clkdm)
+ pdata->clkdm_allow_idle(reset->clkdm);
+
+ return ret;
+}
+
+static const struct reset_control_ops omap_reset_ops = {
+ .assert = omap_reset_assert,
+ .deassert = omap_reset_deassert,
+ .status = omap_reset_status,
+};
+
+static int omap_prm_reset_xlate(struct reset_controller_dev *rcdev,
+ const struct of_phandle_args *reset_spec)
+{
+ struct omap_reset_data *reset = to_omap_reset_data(rcdev);
+
+ if (!_is_valid_reset(reset, reset_spec->args[0]))
+ return -EINVAL;
+
+ return reset_spec->args[0];
+}
+
+static int omap_prm_reset_init(struct platform_device *pdev,
+ struct omap_prm *prm)
+{
+ struct omap_reset_data *reset;
+ const struct omap_rst_map *map;
+ struct ti_prm_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ char buf[32];
+ u32 v;
+
+ /*
+ * Check if we have controllable resets. If either rstctrl is non-zero
+ * or OMAP_PRM_HAS_RSTCTRL flag is set, we have reset control register
+ * for the domain.
+ */
+ if (!prm->data->rstctrl && !(prm->data->flags & OMAP_PRM_HAS_RSTCTRL))
+ return 0;
+
+ /* Check if we have the pdata callbacks in place */
+ if (!pdata || !pdata->clkdm_lookup || !pdata->clkdm_deny_idle ||
+ !pdata->clkdm_allow_idle)
+ return -EINVAL;
+
+ map = prm->data->rstmap;
+ if (!map)
+ return -EINVAL;
+
+ reset = devm_kzalloc(&pdev->dev, sizeof(*reset), GFP_KERNEL);
+ if (!reset)
+ return -ENOMEM;
+
+ reset->rcdev.owner = THIS_MODULE;
+ reset->rcdev.ops = &omap_reset_ops;
+ reset->rcdev.of_node = pdev->dev.of_node;
+ reset->rcdev.nr_resets = OMAP_MAX_RESETS;
+ reset->rcdev.of_xlate = omap_prm_reset_xlate;
+ reset->rcdev.of_reset_n_cells = 1;
+ reset->dev = &pdev->dev;
+ spin_lock_init(&reset->lock);
+
+ reset->prm = prm;
+
+ sprintf(buf, "%s_clkdm", prm->data->clkdm_name ? prm->data->clkdm_name :
+ prm->data->name);
+
+ if (!(prm->data->flags & OMAP_PRM_HAS_NO_CLKDM)) {
+ reset->clkdm = pdata->clkdm_lookup(buf);
+ if (!reset->clkdm)
+ return -EINVAL;
+ }
+
+ while (map->rst >= 0) {
+ reset->mask |= BIT(map->rst);
+ map++;
+ }
+
+ /* Quirk handling to assert rst_map_012 bits on reset and avoid errors */
+ if (prm->data->rstmap == rst_map_012) {
+ v = readl_relaxed(reset->prm->base + reset->prm->data->rstctrl);
+ if ((v & reset->mask) != reset->mask) {
+ dev_dbg(&pdev->dev, "Asserting all resets: %08x\n", v);
+ writel_relaxed(reset->mask, reset->prm->base +
+ reset->prm->data->rstctrl);
+ }
+ }
+
+ return devm_reset_controller_register(&pdev->dev, &reset->rcdev);
+}
+
+static int omap_prm_probe(struct platform_device *pdev)
+{
+ struct resource *res;
+ const struct omap_prm_data *data;
+ struct omap_prm *prm;
+ int ret;
+
+ data = of_device_get_match_data(&pdev->dev);
+ if (!data)
+ return -ENOTSUPP;
+
+ prm = devm_kzalloc(&pdev->dev, sizeof(*prm), GFP_KERNEL);
+ if (!prm)
+ return -ENOMEM;
+
+ prm->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
+ if (IS_ERR(prm->base))
+ return PTR_ERR(prm->base);
+
+ while (data->base != res->start) {
+ if (!data->base)
+ return -EINVAL;
+ data++;
+ }
+
+ prm->data = data;
+
+ ret = omap_prm_domain_init(&pdev->dev, prm);
+ if (ret)
+ return ret;
+
+ ret = omap_prm_reset_init(pdev, prm);
+ if (ret)
+ goto err_domain;
+
+ return 0;
+
+err_domain:
+ of_genpd_del_provider(pdev->dev.of_node);
+ pm_genpd_remove(&prm->prmd->pd);
+
+ return ret;
+}
+
+static struct platform_driver omap_prm_driver = {
+ .probe = omap_prm_probe,
+ .driver = {
+ .name = KBUILD_MODNAME,
+ .of_match_table = omap_prm_id_table,
+ },
+};
+builtin_platform_driver(omap_prm_driver);
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * TI SCI Generic Power Domain Driver
+ *
+ * Copyright (C) 2015-2017 Texas Instruments Incorporated - http://www.ti.com/
+ * J Keerthy <j-keerthy@ti.com>
+ * Dave Gerlach <d-gerlach@ti.com>
+ */
+
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/soc/ti/ti_sci_protocol.h>
+#include <dt-bindings/soc/ti,sci_pm_domain.h>
+
+/**
+ * struct ti_sci_genpd_provider: holds common TI SCI genpd provider data
+ * @ti_sci: handle to TI SCI protocol driver that provides ops to
+ * communicate with system control processor.
+ * @dev: pointer to dev for the driver for devm allocs
+ * @pd_list: list of all the power domains on the device
+ * @data: onecell data for genpd core
+ */
+struct ti_sci_genpd_provider {
+ const struct ti_sci_handle *ti_sci;
+ struct device *dev;
+ struct list_head pd_list;
+ struct genpd_onecell_data data;
+};
+
+/**
+ * struct ti_sci_pm_domain: TI specific data needed for power domain
+ * @idx: index of the device that identifies it with the system
+ * control processor.
+ * @exclusive: Permissions for exclusive request or shared request of the
+ * device.
+ * @pd: generic_pm_domain for use with the genpd framework
+ * @node: link for the genpd list
+ * @parent: link to the parent TI SCI genpd provider
+ */
+struct ti_sci_pm_domain {
+ int idx;
+ u8 exclusive;
+ struct generic_pm_domain pd;
+ struct list_head node;
+ struct ti_sci_genpd_provider *parent;
+};
+
+#define genpd_to_ti_sci_pd(gpd) container_of(gpd, struct ti_sci_pm_domain, pd)
+
+/*
+ * ti_sci_pd_power_off(): genpd power down hook
+ * @domain: pointer to the powerdomain to power off
+ */
+static int ti_sci_pd_power_off(struct generic_pm_domain *domain)
+{
+ struct ti_sci_pm_domain *pd = genpd_to_ti_sci_pd(domain);
+ const struct ti_sci_handle *ti_sci = pd->parent->ti_sci;
+
+ return ti_sci->ops.dev_ops.put_device(ti_sci, pd->idx);
+}
+
+/*
+ * ti_sci_pd_power_on(): genpd power up hook
+ * @domain: pointer to the powerdomain to power on
+ */
+static int ti_sci_pd_power_on(struct generic_pm_domain *domain)
+{
+ struct ti_sci_pm_domain *pd = genpd_to_ti_sci_pd(domain);
+ const struct ti_sci_handle *ti_sci = pd->parent->ti_sci;
+
+ if (pd->exclusive)
+ return ti_sci->ops.dev_ops.get_device_exclusive(ti_sci,
+ pd->idx);
+ else
+ return ti_sci->ops.dev_ops.get_device(ti_sci, pd->idx);
+}
+
+/*
+ * ti_sci_pd_xlate(): translation service for TI SCI genpds
+ * @genpdspec: DT identification data for the genpd
+ * @data: genpd core data for all the powerdomains on the device
+ */
+static struct generic_pm_domain *ti_sci_pd_xlate(
+ struct of_phandle_args *genpdspec,
+ void *data)
+{
+ struct genpd_onecell_data *genpd_data = data;
+ unsigned int idx = genpdspec->args[0];
+
+ if (genpdspec->args_count != 1 && genpdspec->args_count != 2)
+ return ERR_PTR(-EINVAL);
+
+ if (idx >= genpd_data->num_domains) {
+ pr_err("%s: invalid domain index %u\n", __func__, idx);
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (!genpd_data->domains[idx])
+ return ERR_PTR(-ENOENT);
+
+ genpd_to_ti_sci_pd(genpd_data->domains[idx])->exclusive =
+ genpdspec->args[1];
+
+ return genpd_data->domains[idx];
+}
+
+static const struct of_device_id ti_sci_pm_domain_matches[] = {
+ { .compatible = "ti,sci-pm-domain", },
+ { },
+};
+MODULE_DEVICE_TABLE(of, ti_sci_pm_domain_matches);
+
+static int ti_sci_pm_domain_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct ti_sci_genpd_provider *pd_provider;
+ struct ti_sci_pm_domain *pd;
+ struct device_node *np;
+ struct of_phandle_args args;
+ int ret;
+ u32 max_id = 0;
+ int index;
+
+ pd_provider = devm_kzalloc(dev, sizeof(*pd_provider), GFP_KERNEL);
+ if (!pd_provider)
+ return -ENOMEM;
+
+ pd_provider->ti_sci = devm_ti_sci_get_handle(dev);
+ if (IS_ERR(pd_provider->ti_sci))
+ return PTR_ERR(pd_provider->ti_sci);
+
+ pd_provider->dev = dev;
+
+ INIT_LIST_HEAD(&pd_provider->pd_list);
+
+ /* Find highest device ID used for power domains */
+ for_each_node_with_property(np, "power-domains") {
+ index = 0;
+
+ while (1) {
+ ret = of_parse_phandle_with_args(np, "power-domains",
+ "#power-domain-cells",
+ index, &args);
+ if (ret)
+ break;
+
+ if (args.args_count >= 1 && args.np == dev->of_node) {
+ if (args.args[0] > max_id)
+ max_id = args.args[0];
+
+ pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
+ if (!pd)
+ return -ENOMEM;
+
+ pd->pd.name = devm_kasprintf(dev, GFP_KERNEL,
+ "pd:%d",
+ args.args[0]);
+ if (!pd->pd.name)
+ return -ENOMEM;
+
+ pd->pd.power_off = ti_sci_pd_power_off;
+ pd->pd.power_on = ti_sci_pd_power_on;
+ pd->idx = args.args[0];
+ pd->parent = pd_provider;
+
+ pm_genpd_init(&pd->pd, NULL, true);
+
+ list_add(&pd->node, &pd_provider->pd_list);
+ }
+ index++;
+ }
+ }
+
+ pd_provider->data.domains =
+ devm_kcalloc(dev, max_id + 1,
+ sizeof(*pd_provider->data.domains),
+ GFP_KERNEL);
+ if (!pd_provider->data.domains)
+ return -ENOMEM;
+
+ pd_provider->data.num_domains = max_id + 1;
+ pd_provider->data.xlate = ti_sci_pd_xlate;
+
+ list_for_each_entry(pd, &pd_provider->pd_list, node)
+ pd_provider->data.domains[pd->idx] = &pd->pd;
+
+ return of_genpd_add_provider_onecell(dev->of_node, &pd_provider->data);
+}
+
+static struct platform_driver ti_sci_pm_domains_driver = {
+ .probe = ti_sci_pm_domain_probe,
+ .driver = {
+ .name = "ti_sci_pm_domains",
+ .of_match_table = ti_sci_pm_domain_matches,
+ },
+};
+module_platform_driver(ti_sci_pm_domains_driver);
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("TI System Control Interface (SCI) Power Domain driver");
+MODULE_AUTHOR("Dave Gerlach");
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_ZYNQMP_PM_DOMAINS) += zynqmp-pm-domains.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ZynqMP Generic PM domain support
+ *
+ * Copyright (C) 2015-2019 Xilinx, Inc.
+ *
+ * Davorin Mista <davorin.mista@aggios.com>
+ * Jolly Shah <jollys@xilinx.com>
+ * Rajan Vaja <rajan.vaja@xilinx.com>
+ */
+
+#include <linux/err.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+
+#include <linux/firmware/xlnx-zynqmp.h>
+
+#define ZYNQMP_NUM_DOMAINS (100)
+
+static int min_capability;
+
+/**
+ * struct zynqmp_pm_domain - Wrapper around struct generic_pm_domain
+ * @gpd: Generic power domain
+ * @node_id: PM node ID corresponding to device inside PM domain
+ * @requested: The PM node mapped to the PM domain has been requested
+ */
+struct zynqmp_pm_domain {
+ struct generic_pm_domain gpd;
+ u32 node_id;
+ bool requested;
+};
+
+#define to_zynqmp_pm_domain(pm_domain) \
+ container_of(pm_domain, struct zynqmp_pm_domain, gpd)
+
+/**
+ * zynqmp_gpd_is_active_wakeup_path() - Check if device is in wakeup source
+ * path
+ * @dev: Device to check for wakeup source path
+ * @not_used: Data member (not required)
+ *
+ * This function is checks device's child hierarchy and checks if any device is
+ * set as wakeup source.
+ *
+ * Return: 1 if device is in wakeup source path else 0
+ */
+static int zynqmp_gpd_is_active_wakeup_path(struct device *dev, void *not_used)
+{
+ int may_wakeup;
+
+ may_wakeup = device_may_wakeup(dev);
+ if (may_wakeup)
+ return may_wakeup;
+
+ return device_for_each_child(dev, NULL,
+ zynqmp_gpd_is_active_wakeup_path);
+}
+
+/**
+ * zynqmp_gpd_power_on() - Power on PM domain
+ * @domain: Generic PM domain
+ *
+ * This function is called before devices inside a PM domain are resumed, to
+ * power on PM domain.
+ *
+ * Return: 0 on success, error code otherwise
+ */
+static int zynqmp_gpd_power_on(struct generic_pm_domain *domain)
+{
+ struct zynqmp_pm_domain *pd = to_zynqmp_pm_domain(domain);
+ int ret;
+
+ ret = zynqmp_pm_set_requirement(pd->node_id,
+ ZYNQMP_PM_CAPABILITY_ACCESS,
+ ZYNQMP_PM_MAX_QOS,
+ ZYNQMP_PM_REQUEST_ACK_BLOCKING);
+ if (ret) {
+ dev_err(&domain->dev,
+ "failed to set requirement to 0x%x for PM node id %d: %d\n",
+ ZYNQMP_PM_CAPABILITY_ACCESS, pd->node_id, ret);
+ return ret;
+ }
+
+ dev_dbg(&domain->dev, "set requirement to 0x%x for PM node id %d\n",
+ ZYNQMP_PM_CAPABILITY_ACCESS, pd->node_id);
+
+ return 0;
+}
+
+/**
+ * zynqmp_gpd_power_off() - Power off PM domain
+ * @domain: Generic PM domain
+ *
+ * This function is called after devices inside a PM domain are suspended, to
+ * power off PM domain.
+ *
+ * Return: 0 on success, error code otherwise
+ */
+static int zynqmp_gpd_power_off(struct generic_pm_domain *domain)
+{
+ struct zynqmp_pm_domain *pd = to_zynqmp_pm_domain(domain);
+ int ret;
+ struct pm_domain_data *pdd, *tmp;
+ u32 capabilities = min_capability;
+ bool may_wakeup;
+
+ /* If domain is already released there is nothing to be done */
+ if (!pd->requested) {
+ dev_dbg(&domain->dev, "PM node id %d is already released\n",
+ pd->node_id);
+ return 0;
+ }
+
+ list_for_each_entry_safe(pdd, tmp, &domain->dev_list, list_node) {
+ /* If device is in wakeup path, set capability to WAKEUP */
+ may_wakeup = zynqmp_gpd_is_active_wakeup_path(pdd->dev, NULL);
+ if (may_wakeup) {
+ dev_dbg(pdd->dev, "device is in wakeup path in %s\n",
+ domain->name);
+ capabilities = ZYNQMP_PM_CAPABILITY_WAKEUP;
+ break;
+ }
+ }
+
+ ret = zynqmp_pm_set_requirement(pd->node_id, capabilities, 0,
+ ZYNQMP_PM_REQUEST_ACK_NO);
+ if (ret) {
+ dev_err(&domain->dev,
+ "failed to set requirement to 0x%x for PM node id %d: %d\n",
+ capabilities, pd->node_id, ret);
+ return ret;
+ }
+
+ dev_dbg(&domain->dev, "set requirement to 0x%x for PM node id %d\n",
+ capabilities, pd->node_id);
+
+ return 0;
+}
+
+/**
+ * zynqmp_gpd_attach_dev() - Attach device to the PM domain
+ * @domain: Generic PM domain
+ * @dev: Device to attach
+ *
+ * Return: 0 on success, error code otherwise
+ */
+static int zynqmp_gpd_attach_dev(struct generic_pm_domain *domain,
+ struct device *dev)
+{
+ struct zynqmp_pm_domain *pd = to_zynqmp_pm_domain(domain);
+ struct device_link *link;
+ int ret;
+
+ link = device_link_add(dev, &domain->dev, DL_FLAG_SYNC_STATE_ONLY);
+ if (!link)
+ dev_dbg(&domain->dev, "failed to create device link for %s\n",
+ dev_name(dev));
+
+ /* If this is not the first device to attach there is nothing to do */
+ if (domain->device_count)
+ return 0;
+
+ ret = zynqmp_pm_request_node(pd->node_id, 0, 0,
+ ZYNQMP_PM_REQUEST_ACK_BLOCKING);
+ if (ret) {
+ dev_err(&domain->dev, "%s request failed for node %d: %d\n",
+ domain->name, pd->node_id, ret);
+ return ret;
+ }
+
+ pd->requested = true;
+
+ dev_dbg(&domain->dev, "%s requested PM node id %d\n",
+ dev_name(dev), pd->node_id);
+
+ return 0;
+}
+
+/**
+ * zynqmp_gpd_detach_dev() - Detach device from the PM domain
+ * @domain: Generic PM domain
+ * @dev: Device to detach
+ */
+static void zynqmp_gpd_detach_dev(struct generic_pm_domain *domain,
+ struct device *dev)
+{
+ struct zynqmp_pm_domain *pd = to_zynqmp_pm_domain(domain);
+ int ret;
+
+ /* If this is not the last device to detach there is nothing to do */
+ if (domain->device_count)
+ return;
+
+ ret = zynqmp_pm_release_node(pd->node_id);
+ if (ret) {
+ dev_err(&domain->dev, "failed to release PM node id %d: %d\n",
+ pd->node_id, ret);
+ return;
+ }
+
+ pd->requested = false;
+
+ dev_dbg(&domain->dev, "%s released PM node id %d\n",
+ dev_name(dev), pd->node_id);
+}
+
+static struct generic_pm_domain *zynqmp_gpd_xlate
+ (struct of_phandle_args *genpdspec, void *data)
+{
+ struct genpd_onecell_data *genpd_data = data;
+ unsigned int i, idx = genpdspec->args[0];
+ struct zynqmp_pm_domain *pd;
+
+ pd = to_zynqmp_pm_domain(genpd_data->domains[0]);
+
+ if (genpdspec->args_count != 1)
+ return ERR_PTR(-EINVAL);
+
+ /* Check for existing pm domains */
+ for (i = 0; i < ZYNQMP_NUM_DOMAINS; i++) {
+ if (pd[i].node_id == idx)
+ goto done;
+ }
+
+ /*
+ * Add index in empty node_id of power domain list as no existing
+ * power domain found for current index.
+ */
+ for (i = 0; i < ZYNQMP_NUM_DOMAINS; i++) {
+ if (pd[i].node_id == 0) {
+ pd[i].node_id = idx;
+ break;
+ }
+ }
+
+done:
+ if (!genpd_data->domains[i] || i == ZYNQMP_NUM_DOMAINS)
+ return ERR_PTR(-ENOENT);
+
+ return genpd_data->domains[i];
+}
+
+static int zynqmp_gpd_probe(struct platform_device *pdev)
+{
+ int i;
+ struct genpd_onecell_data *zynqmp_pd_data;
+ struct generic_pm_domain **domains;
+ struct zynqmp_pm_domain *pd;
+ struct device *dev = &pdev->dev;
+
+ pd = devm_kcalloc(dev, ZYNQMP_NUM_DOMAINS, sizeof(*pd), GFP_KERNEL);
+ if (!pd)
+ return -ENOMEM;
+
+ zynqmp_pd_data = devm_kzalloc(dev, sizeof(*zynqmp_pd_data), GFP_KERNEL);
+ if (!zynqmp_pd_data)
+ return -ENOMEM;
+
+ zynqmp_pd_data->xlate = zynqmp_gpd_xlate;
+
+ domains = devm_kcalloc(dev, ZYNQMP_NUM_DOMAINS, sizeof(*domains),
+ GFP_KERNEL);
+ if (!domains)
+ return -ENOMEM;
+
+ if (!of_device_is_compatible(dev->parent->of_node,
+ "xlnx,zynqmp-firmware"))
+ min_capability = ZYNQMP_PM_CAPABILITY_UNUSABLE;
+
+ for (i = 0; i < ZYNQMP_NUM_DOMAINS; i++, pd++) {
+ pd->node_id = 0;
+ pd->gpd.name = kasprintf(GFP_KERNEL, "domain%d", i);
+ pd->gpd.power_off = zynqmp_gpd_power_off;
+ pd->gpd.power_on = zynqmp_gpd_power_on;
+ pd->gpd.attach_dev = zynqmp_gpd_attach_dev;
+ pd->gpd.detach_dev = zynqmp_gpd_detach_dev;
+
+ domains[i] = &pd->gpd;
+
+ /* Mark all PM domains as initially powered off */
+ pm_genpd_init(&pd->gpd, NULL, true);
+ }
+
+ zynqmp_pd_data->domains = domains;
+ zynqmp_pd_data->num_domains = ZYNQMP_NUM_DOMAINS;
+ of_genpd_add_provider_onecell(dev->parent->of_node, zynqmp_pd_data);
+
+ return 0;
+}
+
+static int zynqmp_gpd_remove(struct platform_device *pdev)
+{
+ of_genpd_del_provider(pdev->dev.parent->of_node);
+
+ return 0;
+}
+
+static void zynqmp_gpd_sync_state(struct device *dev)
+{
+ int ret;
+
+ ret = zynqmp_pm_init_finalize();
+ if (ret)
+ dev_warn(dev, "failed to release power management to firmware\n");
+}
+
+static struct platform_driver zynqmp_power_domain_driver = {
+ .driver = {
+ .name = "zynqmp_power_controller",
+ .sync_state = zynqmp_gpd_sync_state,
+ },
+ .probe = zynqmp_gpd_probe,
+ .remove = zynqmp_gpd_remove,
+};
+module_platform_driver(zynqmp_power_domain_driver);
+
+MODULE_ALIAS("platform:zynqmp_power_controller");
projects / platform / kernel / linux-rpi.git / commitdiff