mfd: Add support for PMIC MT6360
authorGene Chen <gene.chen.richtek@gmail.com>
Thu, 23 Apr 2020 11:24:52 +0000 (19:24 +0800)
committerLee Jones <lee.jones@linaro.org>
Wed, 27 May 2020 06:46:18 +0000 (07:46 +0100)
Add MFD driver for mt6360 pmic chip include Battery Charger/
USB_PD/Flash, LED/RGB and LED/LDO/Buck

Signed-off-by: Gene Chen <gene_chen@richtek.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
drivers/mfd/Kconfig
drivers/mfd/Makefile
drivers/mfd/mt6360-core.c [new file with mode: 0644]
include/linux/mfd/mt6360.h [new file with mode: 0644]

index 37fa52b..2df22de 100644 (file)
@@ -908,6 +908,18 @@ config MFD_MAX8998
          additional drivers must be enabled in order to use the functionality
          of the device.
 
+config MFD_MT6360
+       tristate "Mediatek MT6360 SubPMIC"
+       select MFD_CORE
+       select REGMAP_I2C
+       select REGMAP_IRQ
+       depends on I2C
+       help
+         Say Y here to enable MT6360 PMU/PMIC/LDO functional support.
+         PMU part includes Charger, Flashlight, RGB LED
+         PMIC part includes 2-channel BUCKs and 2-channel LDOs
+         LDO part includes 4-channel LDOs
+
 config MFD_MT6397
        tristate "MediaTek MT6397 PMIC Support"
        select MFD_CORE
index aebe43b..9367a92 100644 (file)
@@ -243,6 +243,7 @@ obj-$(CONFIG_INTEL_SOC_PMIC)        += intel-soc-pmic.o
 obj-$(CONFIG_INTEL_SOC_PMIC_BXTWC)     += intel_soc_pmic_bxtwc.o
 obj-$(CONFIG_INTEL_SOC_PMIC_CHTWC)     += intel_soc_pmic_chtwc.o
 obj-$(CONFIG_INTEL_SOC_PMIC_CHTDC_TI)  += intel_soc_pmic_chtdc_ti.o
+obj-$(CONFIG_MFD_MT6360)       += mt6360-core.o
 mt6397-objs                    := mt6397-core.o mt6397-irq.o mt6358-irq.o
 obj-$(CONFIG_MFD_MT6397)       += mt6397.o
 obj-$(CONFIG_INTEL_SOC_PMIC_MRFLD)     += intel_soc_pmic_mrfld.o
diff --git a/drivers/mfd/mt6360-core.c b/drivers/mfd/mt6360-core.c
new file mode 100644 (file)
index 0000000..9bb63e0
--- /dev/null
@@ -0,0 +1,425 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2020 MediaTek Inc.
+ *
+ * Author: Gene Chen <gene_chen@richtek.com>
+ */
+
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mfd/core.h>
+#include <linux/module.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <linux/version.h>
+
+#include <linux/mfd/mt6360.h>
+
+/* reg 0 -> 0 ~ 7 */
+#define MT6360_CHG_TREG_EVT            (4)
+#define MT6360_CHG_AICR_EVT            (5)
+#define MT6360_CHG_MIVR_EVT            (6)
+#define MT6360_PWR_RDY_EVT             (7)
+/* REG 1 -> 8 ~ 15 */
+#define MT6360_CHG_BATSYSUV_EVT                (9)
+#define MT6360_FLED_CHG_VINOVP_EVT     (11)
+#define MT6360_CHG_VSYSUV_EVT          (12)
+#define MT6360_CHG_VSYSOV_EVT          (13)
+#define MT6360_CHG_VBATOV_EVT          (14)
+#define MT6360_CHG_VBUSOV_EVT          (15)
+/* REG 2 -> 16 ~ 23 */
+/* REG 3 -> 24 ~ 31 */
+#define MT6360_WD_PMU_DET              (25)
+#define MT6360_WD_PMU_DONE             (26)
+#define MT6360_CHG_TMRI                        (27)
+#define MT6360_CHG_ADPBADI             (29)
+#define MT6360_CHG_RVPI                        (30)
+#define MT6360_OTPI                    (31)
+/* REG 4 -> 32 ~ 39 */
+#define MT6360_CHG_AICCMEASL           (32)
+#define MT6360_CHGDET_DONEI            (34)
+#define MT6360_WDTMRI                  (35)
+#define MT6360_SSFINISHI               (36)
+#define MT6360_CHG_RECHGI              (37)
+#define MT6360_CHG_TERMI               (38)
+#define MT6360_CHG_IEOCI               (39)
+/* REG 5 -> 40 ~ 47 */
+#define MT6360_PUMPX_DONEI             (40)
+#define MT6360_BAT_OVP_ADC_EVT         (41)
+#define MT6360_TYPEC_OTP_EVT           (42)
+#define MT6360_ADC_WAKEUP_EVT          (43)
+#define MT6360_ADC_DONEI               (44)
+#define MT6360_BST_BATUVI              (45)
+#define MT6360_BST_VBUSOVI             (46)
+#define MT6360_BST_OLPI                        (47)
+/* REG 6 -> 48 ~ 55 */
+#define MT6360_ATTACH_I                        (48)
+#define MT6360_DETACH_I                        (49)
+#define MT6360_QC30_STPDONE            (51)
+#define MT6360_QC_VBUSDET_DONE         (52)
+#define MT6360_HVDCP_DET               (53)
+#define MT6360_CHGDETI                 (54)
+#define MT6360_DCDTI                   (55)
+/* REG 7 -> 56 ~ 63 */
+#define MT6360_FOD_DONE_EVT            (56)
+#define MT6360_FOD_OV_EVT              (57)
+#define MT6360_CHRDET_UVP_EVT          (58)
+#define MT6360_CHRDET_OVP_EVT          (59)
+#define MT6360_CHRDET_EXT_EVT          (60)
+#define MT6360_FOD_LR_EVT              (61)
+#define MT6360_FOD_HR_EVT              (62)
+#define MT6360_FOD_DISCHG_FAIL_EVT     (63)
+/* REG 8 -> 64 ~ 71 */
+#define MT6360_USBID_EVT               (64)
+#define MT6360_APWDTRST_EVT            (65)
+#define MT6360_EN_EVT                  (66)
+#define MT6360_QONB_RST_EVT            (67)
+#define MT6360_MRSTB_EVT               (68)
+#define MT6360_OTP_EVT                 (69)
+#define MT6360_VDDAOV_EVT              (70)
+#define MT6360_SYSUV_EVT               (71)
+/* REG 9 -> 72 ~ 79 */
+#define MT6360_FLED_STRBPIN_EVT                (72)
+#define MT6360_FLED_TORPIN_EVT         (73)
+#define MT6360_FLED_TX_EVT             (74)
+#define MT6360_FLED_LVF_EVT            (75)
+#define MT6360_FLED2_SHORT_EVT         (78)
+#define MT6360_FLED1_SHORT_EVT         (79)
+/* REG 10 -> 80 ~ 87 */
+#define MT6360_FLED2_STRB_EVT          (80)
+#define MT6360_FLED1_STRB_EVT          (81)
+#define MT6360_FLED2_STRB_TO_EVT       (82)
+#define MT6360_FLED1_STRB_TO_EVT       (83)
+#define MT6360_FLED2_TOR_EVT           (84)
+#define MT6360_FLED1_TOR_EVT           (85)
+/* REG 11 -> 88 ~ 95 */
+/* REG 12 -> 96 ~ 103 */
+#define MT6360_BUCK1_PGB_EVT           (96)
+#define MT6360_BUCK1_OC_EVT            (100)
+#define MT6360_BUCK1_OV_EVT            (101)
+#define MT6360_BUCK1_UV_EVT            (102)
+/* REG 13 -> 104 ~ 111 */
+#define MT6360_BUCK2_PGB_EVT           (104)
+#define MT6360_BUCK2_OC_EVT            (108)
+#define MT6360_BUCK2_OV_EVT            (109)
+#define MT6360_BUCK2_UV_EVT            (110)
+/* REG 14 -> 112 ~ 119 */
+#define MT6360_LDO1_OC_EVT             (113)
+#define MT6360_LDO2_OC_EVT             (114)
+#define MT6360_LDO3_OC_EVT             (115)
+#define MT6360_LDO5_OC_EVT             (117)
+#define MT6360_LDO6_OC_EVT             (118)
+#define MT6360_LDO7_OC_EVT             (119)
+/* REG 15 -> 120 ~ 127 */
+#define MT6360_LDO1_PGB_EVT            (121)
+#define MT6360_LDO2_PGB_EVT            (122)
+#define MT6360_LDO3_PGB_EVT            (123)
+#define MT6360_LDO5_PGB_EVT            (125)
+#define MT6360_LDO6_PGB_EVT            (126)
+#define MT6360_LDO7_PGB_EVT            (127)
+
+static const struct regmap_irq mt6360_pmu_irqs[] =  {
+       REGMAP_IRQ_REG_LINE(MT6360_CHG_TREG_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHG_AICR_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHG_MIVR_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_PWR_RDY_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHG_BATSYSUV_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_FLED_CHG_VINOVP_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHG_VSYSUV_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHG_VSYSOV_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHG_VBATOV_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHG_VBUSOV_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_WD_PMU_DET, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_WD_PMU_DONE, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHG_TMRI, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHG_ADPBADI, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHG_RVPI, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_OTPI, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHG_AICCMEASL, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHGDET_DONEI, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_WDTMRI, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_SSFINISHI, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHG_RECHGI, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHG_TERMI, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHG_IEOCI, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_PUMPX_DONEI, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHG_TREG_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_BAT_OVP_ADC_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_TYPEC_OTP_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_ADC_WAKEUP_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_ADC_DONEI, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_BST_BATUVI, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_BST_VBUSOVI, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_BST_OLPI, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_ATTACH_I, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_DETACH_I, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_QC30_STPDONE, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_QC_VBUSDET_DONE, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_HVDCP_DET, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHGDETI, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_DCDTI, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_FOD_DONE_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_FOD_OV_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHRDET_UVP_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHRDET_OVP_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_CHRDET_EXT_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_FOD_LR_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_FOD_HR_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_FOD_DISCHG_FAIL_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_USBID_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_APWDTRST_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_EN_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_QONB_RST_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_MRSTB_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_OTP_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_VDDAOV_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_SYSUV_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_FLED_STRBPIN_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_FLED_TORPIN_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_FLED_TX_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_FLED_LVF_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_FLED2_SHORT_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_FLED1_SHORT_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_FLED2_STRB_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_FLED1_STRB_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_FLED2_STRB_TO_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_FLED1_STRB_TO_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_FLED2_TOR_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_FLED1_TOR_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_BUCK1_PGB_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_BUCK1_OC_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_BUCK1_OV_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_BUCK1_UV_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_BUCK2_PGB_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_BUCK2_OC_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_BUCK2_OV_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_BUCK2_UV_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_LDO1_OC_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_LDO2_OC_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_LDO3_OC_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_LDO5_OC_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_LDO6_OC_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_LDO7_OC_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_LDO1_PGB_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_LDO2_PGB_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_LDO3_PGB_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_LDO5_PGB_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_LDO6_PGB_EVT, 8),
+       REGMAP_IRQ_REG_LINE(MT6360_LDO7_PGB_EVT, 8),
+};
+
+static int mt6360_pmu_handle_post_irq(void *irq_drv_data)
+{
+       struct mt6360_pmu_data *mpd = irq_drv_data;
+
+       return regmap_update_bits(mpd->regmap,
+               MT6360_PMU_IRQ_SET, MT6360_IRQ_RETRIG, MT6360_IRQ_RETRIG);
+}
+
+static struct regmap_irq_chip mt6360_pmu_irq_chip = {
+       .irqs = mt6360_pmu_irqs,
+       .num_irqs = ARRAY_SIZE(mt6360_pmu_irqs),
+       .num_regs = MT6360_PMU_IRQ_REGNUM,
+       .mask_base = MT6360_PMU_CHG_MASK1,
+       .status_base = MT6360_PMU_CHG_IRQ1,
+       .ack_base = MT6360_PMU_CHG_IRQ1,
+       .init_ack_masked = true,
+       .use_ack = true,
+       .handle_post_irq = mt6360_pmu_handle_post_irq,
+};
+
+static const struct regmap_config mt6360_pmu_regmap_config = {
+       .reg_bits = 8,
+       .val_bits = 8,
+       .max_register = MT6360_PMU_MAXREG,
+};
+
+static const struct resource mt6360_adc_resources[] = {
+       DEFINE_RES_IRQ_NAMED(MT6360_ADC_DONEI, "adc_donei"),
+};
+
+static const struct resource mt6360_chg_resources[] = {
+       DEFINE_RES_IRQ_NAMED(MT6360_CHG_TREG_EVT, "chg_treg_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_PWR_RDY_EVT, "pwr_rdy_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_CHG_BATSYSUV_EVT, "chg_batsysuv_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_CHG_VSYSUV_EVT, "chg_vsysuv_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_CHG_VSYSOV_EVT, "chg_vsysov_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_CHG_VBATOV_EVT, "chg_vbatov_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_CHG_VBUSOV_EVT, "chg_vbusov_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_CHG_AICCMEASL, "chg_aiccmeasl"),
+       DEFINE_RES_IRQ_NAMED(MT6360_WDTMRI, "wdtmri"),
+       DEFINE_RES_IRQ_NAMED(MT6360_CHG_RECHGI, "chg_rechgi"),
+       DEFINE_RES_IRQ_NAMED(MT6360_CHG_TERMI, "chg_termi"),
+       DEFINE_RES_IRQ_NAMED(MT6360_CHG_IEOCI, "chg_ieoci"),
+       DEFINE_RES_IRQ_NAMED(MT6360_PUMPX_DONEI, "pumpx_donei"),
+       DEFINE_RES_IRQ_NAMED(MT6360_ATTACH_I, "attach_i"),
+       DEFINE_RES_IRQ_NAMED(MT6360_CHRDET_EXT_EVT, "chrdet_ext_evt"),
+};
+
+static const struct resource mt6360_led_resources[] = {
+       DEFINE_RES_IRQ_NAMED(MT6360_FLED_CHG_VINOVP_EVT, "fled_chg_vinovp_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_FLED_LVF_EVT, "fled_lvf_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_FLED2_SHORT_EVT, "fled2_short_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_FLED1_SHORT_EVT, "fled1_short_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_FLED2_STRB_TO_EVT, "fled2_strb_to_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_FLED1_STRB_TO_EVT, "fled1_strb_to_evt"),
+};
+
+static const struct resource mt6360_pmic_resources[] = {
+       DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_PGB_EVT, "buck1_pgb_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_OC_EVT, "buck1_oc_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_OV_EVT, "buck1_ov_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_UV_EVT, "buck1_uv_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_PGB_EVT, "buck2_pgb_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_OC_EVT, "buck2_oc_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_OV_EVT, "buck2_ov_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_UV_EVT, "buck2_uv_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_LDO6_OC_EVT, "ldo6_oc_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_LDO7_OC_EVT, "ldo7_oc_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_LDO6_PGB_EVT, "ldo6_pgb_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_LDO7_PGB_EVT, "ldo7_pgb_evt"),
+};
+
+static const struct resource mt6360_ldo_resources[] = {
+       DEFINE_RES_IRQ_NAMED(MT6360_LDO1_OC_EVT, "ldo1_oc_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_LDO2_OC_EVT, "ldo2_oc_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_LDO3_OC_EVT, "ldo3_oc_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_LDO5_OC_EVT, "ldo5_oc_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_LDO1_PGB_EVT, "ldo1_pgb_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_LDO2_PGB_EVT, "ldo2_pgb_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_LDO3_PGB_EVT, "ldo3_pgb_evt"),
+       DEFINE_RES_IRQ_NAMED(MT6360_LDO5_PGB_EVT, "ldo5_pgb_evt"),
+};
+
+static const struct mfd_cell mt6360_devs[] = {
+       OF_MFD_CELL("mt6360_adc", mt6360_adc_resources,
+                   NULL, 0, 0, "mediatek,mt6360_adc"),
+       OF_MFD_CELL("mt6360_chg", mt6360_chg_resources,
+                   NULL, 0, 0, "mediatek,mt6360_chg"),
+       OF_MFD_CELL("mt6360_led", mt6360_led_resources,
+                   NULL, 0, 0, "mediatek,mt6360_led"),
+       OF_MFD_CELL("mt6360_pmic", mt6360_pmic_resources,
+                   NULL, 0, 0, "mediatek,mt6360_pmic"),
+       OF_MFD_CELL("mt6360_ldo", mt6360_ldo_resources,
+                   NULL, 0, 0, "mediatek,mt6360_ldo"),
+       OF_MFD_CELL("mt6360_tcpc", NULL,
+                   NULL, 0, 0, "mediatek,mt6360_tcpc"),
+};
+
+static const unsigned short mt6360_slave_addr[MT6360_SLAVE_MAX] = {
+       MT6360_PMU_SLAVEID,
+       MT6360_PMIC_SLAVEID,
+       MT6360_LDO_SLAVEID,
+       MT6360_TCPC_SLAVEID,
+};
+
+static int mt6360_pmu_probe(struct i2c_client *client)
+{
+       struct mt6360_pmu_data *mpd;
+       unsigned int reg_data;
+       int i, ret;
+
+       mpd = devm_kzalloc(&client->dev, sizeof(*mpd), GFP_KERNEL);
+       if (!mpd)
+               return -ENOMEM;
+
+       mpd->dev = &client->dev;
+       i2c_set_clientdata(client, mpd);
+
+       mpd->regmap = devm_regmap_init_i2c(client, &mt6360_pmu_regmap_config);
+       if (IS_ERR(mpd->regmap)) {
+               dev_err(&client->dev, "Failed to register regmap\n");
+               return PTR_ERR(mpd->regmap);
+       }
+
+       ret = regmap_read(mpd->regmap, MT6360_PMU_DEV_INFO, &reg_data);
+       if (ret) {
+               dev_err(&client->dev, "Device not found\n");
+               return ret;
+       }
+
+       mpd->chip_rev = reg_data & CHIP_REV_MASK;
+       if (mpd->chip_rev != CHIP_VEN_MT6360) {
+               dev_err(&client->dev, "Device not supported\n");
+               return -ENODEV;
+       }
+
+       mt6360_pmu_irq_chip.irq_drv_data = mpd;
+       ret = devm_regmap_add_irq_chip(&client->dev, mpd->regmap, client->irq,
+                                      IRQF_TRIGGER_FALLING, 0,
+                                      &mt6360_pmu_irq_chip, &mpd->irq_data);
+       if (ret) {
+               dev_err(&client->dev, "Failed to add Regmap IRQ Chip\n");
+               return ret;
+       }
+
+       mpd->i2c[0] = client;
+       for (i = 1; i < MT6360_SLAVE_MAX; i++) {
+               mpd->i2c[i] = devm_i2c_new_dummy_device(&client->dev,
+                                                       client->adapter,
+                                                       mt6360_slave_addr[i]);
+               if (IS_ERR(mpd->i2c[i])) {
+                       dev_err(&client->dev,
+                               "Failed to get new dummy I2C device for address 0x%x",
+                               mt6360_slave_addr[i]);
+                       return PTR_ERR(mpd->i2c[i]);
+               }
+               i2c_set_clientdata(mpd->i2c[i], mpd);
+       }
+
+       ret = devm_mfd_add_devices(&client->dev, PLATFORM_DEVID_AUTO,
+                                  mt6360_devs, ARRAY_SIZE(mt6360_devs), NULL,
+                                  0, regmap_irq_get_domain(mpd->irq_data));
+       if (ret) {
+               dev_err(&client->dev,
+                       "Failed to register subordinate devices\n");
+               return ret;
+       }
+
+       return 0;
+}
+
+static int __maybe_unused mt6360_pmu_suspend(struct device *dev)
+{
+       struct i2c_client *i2c = to_i2c_client(dev);
+
+       if (device_may_wakeup(dev))
+               enable_irq_wake(i2c->irq);
+
+       return 0;
+}
+
+static int __maybe_unused mt6360_pmu_resume(struct device *dev)
+{
+
+       struct i2c_client *i2c = to_i2c_client(dev);
+
+       if (device_may_wakeup(dev))
+               disable_irq_wake(i2c->irq);
+
+       return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(mt6360_pmu_pm_ops,
+                        mt6360_pmu_suspend, mt6360_pmu_resume);
+
+static const struct of_device_id __maybe_unused mt6360_pmu_of_id[] = {
+       { .compatible = "mediatek,mt6360_pmu", },
+       {},
+};
+MODULE_DEVICE_TABLE(of, mt6360_pmu_of_id);
+
+static struct i2c_driver mt6360_pmu_driver = {
+       .driver = {
+               .pm = &mt6360_pmu_pm_ops,
+               .of_match_table = of_match_ptr(mt6360_pmu_of_id),
+       },
+       .probe_new = mt6360_pmu_probe,
+};
+module_i2c_driver(mt6360_pmu_driver);
+
+MODULE_AUTHOR("Gene Chen <gene_chen@richtek.com>");
+MODULE_DESCRIPTION("MT6360 PMU I2C Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/include/linux/mfd/mt6360.h b/include/linux/mfd/mt6360.h
new file mode 100644 (file)
index 0000000..ea13040
--- /dev/null
@@ -0,0 +1,240 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2020 MediaTek Inc.
+ */
+
+#ifndef __MT6360_H__
+#define __MT6360_H__
+
+#include <linux/regmap.h>
+
+enum {
+       MT6360_SLAVE_PMU = 0,
+       MT6360_SLAVE_PMIC,
+       MT6360_SLAVE_LDO,
+       MT6360_SLAVE_TCPC,
+       MT6360_SLAVE_MAX,
+};
+
+#define MT6360_PMU_SLAVEID     (0x34)
+#define MT6360_PMIC_SLAVEID    (0x1A)
+#define MT6360_LDO_SLAVEID     (0x64)
+#define MT6360_TCPC_SLAVEID    (0x4E)
+
+struct mt6360_pmu_data {
+       struct i2c_client *i2c[MT6360_SLAVE_MAX];
+       struct device *dev;
+       struct regmap *regmap;
+       struct regmap_irq_chip_data *irq_data;
+       unsigned int chip_rev;
+};
+
+/* PMU register defininition */
+#define MT6360_PMU_DEV_INFO                    (0x00)
+#define MT6360_PMU_CORE_CTRL1                  (0x01)
+#define MT6360_PMU_RST1                                (0x02)
+#define MT6360_PMU_CRCEN                       (0x03)
+#define MT6360_PMU_RST_PAS_CODE1               (0x04)
+#define MT6360_PMU_RST_PAS_CODE2               (0x05)
+#define MT6360_PMU_CORE_CTRL2                  (0x06)
+#define MT6360_PMU_TM_PAS_CODE1                        (0x07)
+#define MT6360_PMU_TM_PAS_CODE2                        (0x08)
+#define MT6360_PMU_TM_PAS_CODE3                        (0x09)
+#define MT6360_PMU_TM_PAS_CODE4                        (0x0A)
+#define MT6360_PMU_IRQ_IND                     (0x0B)
+#define MT6360_PMU_IRQ_MASK                    (0x0C)
+#define MT6360_PMU_IRQ_SET                     (0x0D)
+#define MT6360_PMU_SHDN_CTRL                   (0x0E)
+#define MT6360_PMU_TM_INF                      (0x0F)
+#define MT6360_PMU_I2C_CTRL                    (0x10)
+#define MT6360_PMU_CHG_CTRL1                   (0x11)
+#define MT6360_PMU_CHG_CTRL2                   (0x12)
+#define MT6360_PMU_CHG_CTRL3                   (0x13)
+#define MT6360_PMU_CHG_CTRL4                   (0x14)
+#define MT6360_PMU_CHG_CTRL5                   (0x15)
+#define MT6360_PMU_CHG_CTRL6                   (0x16)
+#define MT6360_PMU_CHG_CTRL7                   (0x17)
+#define MT6360_PMU_CHG_CTRL8                   (0x18)
+#define MT6360_PMU_CHG_CTRL9                   (0x19)
+#define MT6360_PMU_CHG_CTRL10                  (0x1A)
+#define MT6360_PMU_CHG_CTRL11                  (0x1B)
+#define MT6360_PMU_CHG_CTRL12                  (0x1C)
+#define MT6360_PMU_CHG_CTRL13                  (0x1D)
+#define MT6360_PMU_CHG_CTRL14                  (0x1E)
+#define MT6360_PMU_CHG_CTRL15                  (0x1F)
+#define MT6360_PMU_CHG_CTRL16                  (0x20)
+#define MT6360_PMU_CHG_AICC_RESULT             (0x21)
+#define MT6360_PMU_DEVICE_TYPE                 (0x22)
+#define MT6360_PMU_QC_CONTROL1                 (0x23)
+#define MT6360_PMU_QC_CONTROL2                 (0x24)
+#define MT6360_PMU_QC30_CONTROL1               (0x25)
+#define MT6360_PMU_QC30_CONTROL2               (0x26)
+#define MT6360_PMU_USB_STATUS1                 (0x27)
+#define MT6360_PMU_QC_STATUS1                  (0x28)
+#define MT6360_PMU_QC_STATUS2                  (0x29)
+#define MT6360_PMU_CHG_PUMP                    (0x2A)
+#define MT6360_PMU_CHG_CTRL17                  (0x2B)
+#define MT6360_PMU_CHG_CTRL18                  (0x2C)
+#define MT6360_PMU_CHRDET_CTRL1                        (0x2D)
+#define MT6360_PMU_CHRDET_CTRL2                        (0x2E)
+#define MT6360_PMU_DPDN_CTRL                   (0x2F)
+#define MT6360_PMU_CHG_HIDDEN_CTRL1            (0x30)
+#define MT6360_PMU_CHG_HIDDEN_CTRL2            (0x31)
+#define MT6360_PMU_CHG_HIDDEN_CTRL3            (0x32)
+#define MT6360_PMU_CHG_HIDDEN_CTRL4            (0x33)
+#define MT6360_PMU_CHG_HIDDEN_CTRL5            (0x34)
+#define MT6360_PMU_CHG_HIDDEN_CTRL6            (0x35)
+#define MT6360_PMU_CHG_HIDDEN_CTRL7            (0x36)
+#define MT6360_PMU_CHG_HIDDEN_CTRL8            (0x37)
+#define MT6360_PMU_CHG_HIDDEN_CTRL9            (0x38)
+#define MT6360_PMU_CHG_HIDDEN_CTRL10           (0x39)
+#define MT6360_PMU_CHG_HIDDEN_CTRL11           (0x3A)
+#define MT6360_PMU_CHG_HIDDEN_CTRL12           (0x3B)
+#define MT6360_PMU_CHG_HIDDEN_CTRL13           (0x3C)
+#define MT6360_PMU_CHG_HIDDEN_CTRL14           (0x3D)
+#define MT6360_PMU_CHG_HIDDEN_CTRL15           (0x3E)
+#define MT6360_PMU_CHG_HIDDEN_CTRL16           (0x3F)
+#define MT6360_PMU_CHG_HIDDEN_CTRL17           (0x40)
+#define MT6360_PMU_CHG_HIDDEN_CTRL18           (0x41)
+#define MT6360_PMU_CHG_HIDDEN_CTRL19           (0x42)
+#define MT6360_PMU_CHG_HIDDEN_CTRL20           (0x43)
+#define MT6360_PMU_CHG_HIDDEN_CTRL21           (0x44)
+#define MT6360_PMU_CHG_HIDDEN_CTRL22           (0x45)
+#define MT6360_PMU_CHG_HIDDEN_CTRL23           (0x46)
+#define MT6360_PMU_CHG_HIDDEN_CTRL24           (0x47)
+#define MT6360_PMU_CHG_HIDDEN_CTRL25           (0x48)
+#define MT6360_PMU_BC12_CTRL                   (0x49)
+#define MT6360_PMU_CHG_STAT                    (0x4A)
+#define MT6360_PMU_RESV1                       (0x4B)
+#define MT6360_PMU_TYPEC_OTP_TH_SEL_CODEH      (0x4E)
+#define MT6360_PMU_TYPEC_OTP_TH_SEL_CODEL      (0x4F)
+#define MT6360_PMU_TYPEC_OTP_HYST_TH           (0x50)
+#define MT6360_PMU_TYPEC_OTP_CTRL              (0x51)
+#define MT6360_PMU_ADC_BAT_DATA_H              (0x52)
+#define MT6360_PMU_ADC_BAT_DATA_L              (0x53)
+#define MT6360_PMU_IMID_BACKBST_ON             (0x54)
+#define MT6360_PMU_IMID_BACKBST_OFF            (0x55)
+#define MT6360_PMU_ADC_CONFIG                  (0x56)
+#define MT6360_PMU_ADC_EN2                     (0x57)
+#define MT6360_PMU_ADC_IDLE_T                  (0x58)
+#define MT6360_PMU_ADC_RPT_1                   (0x5A)
+#define MT6360_PMU_ADC_RPT_2                   (0x5B)
+#define MT6360_PMU_ADC_RPT_3                   (0x5C)
+#define MT6360_PMU_ADC_RPT_ORG1                        (0x5D)
+#define MT6360_PMU_ADC_RPT_ORG2                        (0x5E)
+#define MT6360_PMU_BAT_OVP_TH_SEL_CODEH                (0x5F)
+#define MT6360_PMU_BAT_OVP_TH_SEL_CODEL                (0x60)
+#define MT6360_PMU_CHG_CTRL19                  (0x61)
+#define MT6360_PMU_VDDASUPPLY                  (0x62)
+#define MT6360_PMU_BC12_MANUAL                 (0x63)
+#define MT6360_PMU_CHGDET_FUNC                 (0x64)
+#define MT6360_PMU_FOD_CTRL                    (0x65)
+#define MT6360_PMU_CHG_CTRL20                  (0x66)
+#define MT6360_PMU_CHG_HIDDEN_CTRL26           (0x67)
+#define MT6360_PMU_CHG_HIDDEN_CTRL27           (0x68)
+#define MT6360_PMU_RESV2                       (0x69)
+#define MT6360_PMU_USBID_CTRL1                 (0x6D)
+#define MT6360_PMU_USBID_CTRL2                 (0x6E)
+#define MT6360_PMU_USBID_CTRL3                 (0x6F)
+#define MT6360_PMU_FLED_CFG                    (0x70)
+#define MT6360_PMU_RESV3                       (0x71)
+#define MT6360_PMU_FLED1_CTRL                  (0x72)
+#define MT6360_PMU_FLED_STRB_CTRL              (0x73)
+#define MT6360_PMU_FLED1_STRB_CTRL2            (0x74)
+#define MT6360_PMU_FLED1_TOR_CTRL              (0x75)
+#define MT6360_PMU_FLED2_CTRL                  (0x76)
+#define MT6360_PMU_RESV4                       (0x77)
+#define MT6360_PMU_FLED2_STRB_CTRL2            (0x78)
+#define MT6360_PMU_FLED2_TOR_CTRL              (0x79)
+#define MT6360_PMU_FLED_VMIDTRK_CTRL1          (0x7A)
+#define MT6360_PMU_FLED_VMID_RTM               (0x7B)
+#define MT6360_PMU_FLED_VMIDTRK_CTRL2          (0x7C)
+#define MT6360_PMU_FLED_PWSEL                  (0x7D)
+#define MT6360_PMU_FLED_EN                     (0x7E)
+#define MT6360_PMU_FLED_Hidden1                        (0x7F)
+#define MT6360_PMU_RGB_EN                      (0x80)
+#define MT6360_PMU_RGB1_ISNK                   (0x81)
+#define MT6360_PMU_RGB2_ISNK                   (0x82)
+#define MT6360_PMU_RGB3_ISNK                   (0x83)
+#define MT6360_PMU_RGB_ML_ISNK                 (0x84)
+#define MT6360_PMU_RGB1_DIM                    (0x85)
+#define MT6360_PMU_RGB2_DIM                    (0x86)
+#define MT6360_PMU_RGB3_DIM                    (0x87)
+#define MT6360_PMU_RESV5                       (0x88)
+#define MT6360_PMU_RGB12_Freq                  (0x89)
+#define MT6360_PMU_RGB34_Freq                  (0x8A)
+#define MT6360_PMU_RGB1_Tr                     (0x8B)
+#define MT6360_PMU_RGB1_Tf                     (0x8C)
+#define MT6360_PMU_RGB1_TON_TOFF               (0x8D)
+#define MT6360_PMU_RGB2_Tr                     (0x8E)
+#define MT6360_PMU_RGB2_Tf                     (0x8F)
+#define MT6360_PMU_RGB2_TON_TOFF               (0x90)
+#define MT6360_PMU_RGB3_Tr                     (0x91)
+#define MT6360_PMU_RGB3_Tf                     (0x92)
+#define MT6360_PMU_RGB3_TON_TOFF               (0x93)
+#define MT6360_PMU_RGB_Hidden_CTRL1            (0x94)
+#define MT6360_PMU_RGB_Hidden_CTRL2            (0x95)
+#define MT6360_PMU_RESV6                       (0x97)
+#define MT6360_PMU_SPARE1                      (0x9A)
+#define MT6360_PMU_SPARE2                      (0xA0)
+#define MT6360_PMU_SPARE3                      (0xB0)
+#define MT6360_PMU_SPARE4                      (0xC0)
+#define MT6360_PMU_CHG_IRQ1                    (0xD0)
+#define MT6360_PMU_CHG_IRQ2                    (0xD1)
+#define MT6360_PMU_CHG_IRQ3                    (0xD2)
+#define MT6360_PMU_CHG_IRQ4                    (0xD3)
+#define MT6360_PMU_CHG_IRQ5                    (0xD4)
+#define MT6360_PMU_CHG_IRQ6                    (0xD5)
+#define MT6360_PMU_QC_IRQ                      (0xD6)
+#define MT6360_PMU_FOD_IRQ                     (0xD7)
+#define MT6360_PMU_BASE_IRQ                    (0xD8)
+#define MT6360_PMU_FLED_IRQ1                   (0xD9)
+#define MT6360_PMU_FLED_IRQ2                   (0xDA)
+#define MT6360_PMU_RGB_IRQ                     (0xDB)
+#define MT6360_PMU_BUCK1_IRQ                   (0xDC)
+#define MT6360_PMU_BUCK2_IRQ                   (0xDD)
+#define MT6360_PMU_LDO_IRQ1                    (0xDE)
+#define MT6360_PMU_LDO_IRQ2                    (0xDF)
+#define MT6360_PMU_CHG_STAT1                   (0xE0)
+#define MT6360_PMU_CHG_STAT2                   (0xE1)
+#define MT6360_PMU_CHG_STAT3                   (0xE2)
+#define MT6360_PMU_CHG_STAT4                   (0xE3)
+#define MT6360_PMU_CHG_STAT5                   (0xE4)
+#define MT6360_PMU_CHG_STAT6                   (0xE5)
+#define MT6360_PMU_QC_STAT                     (0xE6)
+#define MT6360_PMU_FOD_STAT                    (0xE7)
+#define MT6360_PMU_BASE_STAT                   (0xE8)
+#define MT6360_PMU_FLED_STAT1                  (0xE9)
+#define MT6360_PMU_FLED_STAT2                  (0xEA)
+#define MT6360_PMU_RGB_STAT                    (0xEB)
+#define MT6360_PMU_BUCK1_STAT                  (0xEC)
+#define MT6360_PMU_BUCK2_STAT                  (0xED)
+#define MT6360_PMU_LDO_STAT1                   (0xEE)
+#define MT6360_PMU_LDO_STAT2                   (0xEF)
+#define MT6360_PMU_CHG_MASK1                   (0xF0)
+#define MT6360_PMU_CHG_MASK2                   (0xF1)
+#define MT6360_PMU_CHG_MASK3                   (0xF2)
+#define MT6360_PMU_CHG_MASK4                   (0xF3)
+#define MT6360_PMU_CHG_MASK5                   (0xF4)
+#define MT6360_PMU_CHG_MASK6                   (0xF5)
+#define MT6360_PMU_QC_MASK                     (0xF6)
+#define MT6360_PMU_FOD_MASK                    (0xF7)
+#define MT6360_PMU_BASE_MASK                   (0xF8)
+#define MT6360_PMU_FLED_MASK1                  (0xF9)
+#define MT6360_PMU_FLED_MASK2                  (0xFA)
+#define MT6360_PMU_FAULTB_MASK                 (0xFB)
+#define MT6360_PMU_BUCK1_MASK                  (0xFC)
+#define MT6360_PMU_BUCK2_MASK                  (0xFD)
+#define MT6360_PMU_LDO_MASK1                   (0xFE)
+#define MT6360_PMU_LDO_MASK2                   (0xFF)
+#define MT6360_PMU_MAXREG                      (MT6360_PMU_LDO_MASK2)
+
+/* MT6360_PMU_IRQ_SET */
+#define MT6360_PMU_IRQ_REGNUM  (MT6360_PMU_LDO_IRQ2 - MT6360_PMU_CHG_IRQ1 + 1)
+#define MT6360_IRQ_RETRIG      BIT(2)
+
+#define CHIP_VEN_MASK                          (0xF0)
+#define CHIP_VEN_MT6360                                (0x50)
+#define CHIP_REV_MASK                          (0x0F)
+
+#endif /* __MT6360_H__ */