F: arch/arm/boot/dts/amlogic/
F: arch/arm/mach-meson/
F: arch/arm64/boot/dts/amlogic/
+F: drivers/genpd/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/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/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/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/soc/bcm/bcm63xx
+F: drivers/genpd/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/soc/bcm/bcm63xx/bcm-pmb.c
+F: drivers/genpd/bcm/bcm-pmb.c
F: include/dt-bindings/soc/bcm-pmb.h
BROADCOM SPECIFIC AMBA DRIVER (BCMA)
F: drivers/base/power/domain*.c
F: include/linux/pm_domain.h
+GENERIC PM DOMAIN PROVIDERS
+M: Ulf Hansson <ulf.hansson@linaro.org>
+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/
+
GENERIC RESISTIVE TOUCHSCREEN ADC DRIVER
M: Eugen Hristev <eugen.hristev@microchip.com>
L: linux-input@vger.kernel.org
L: linux-arm-msm@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/power/avs/qcom,cpr.yaml
-F: drivers/soc/qcom/cpr.c
+F: drivers/genpd/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/soc/starfive/jh71xx_pmu.c
+F: drivers/genpd/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/soc/ti/ti_sci_pm_domains.c
+F: drivers/genpd/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/soc/ti/*
TI LM49xxx FAMILY ASoC CODEC DRIVERS
*/
#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>
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;
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 },
{ "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 },
- { "dma0-ch", IMX_SC_R_DMA_0_CH0, 16, true, 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, 5, 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 },
/* 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, 4, 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, 4, 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 },
/* 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 */
{ "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 },
{ "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 = {
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;
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",
const struct imx_sc_pd_range *pd_ranges)
{
struct imx_sc_pm_domain *sc_pd;
- bool is_off = true;
- int ret;
+ bool is_off;
+ int mode, ret;
if (!imx_sc_rm_is_resource_owned(pm_ipc_handle, pd_ranges->rsrc + idx))
return NULL;
"%s", pd_ranges->name);
sc_pd->pd.name = sc_pd->name;
- if (imx_con_rsrc == sc_pd->rsrc) {
+ 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",
.driver = {
.name = "imx-scu-pd",
.of_match_table = imx_sc_pd_match,
+ .suppress_bind_attrs = true,
},
.probe = imx_sc_pd_probe,
};
projects / platform / kernel / linux-starfive.git / commitdiff