[PATCH] mfd: mt6360: add pmic mt6360 driver

From: Gene Chen
Date: Thu Sep 12 2019 - 04:10:45 EST

From: Gene Chen <gene_chen@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>

---
drivers/mfd/Kconfig | 12 ++
drivers/mfd/Makefile | 1 +
drivers/mfd/mt6360-core.c | 463 ++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 476 insertions(+)
create mode 100644 drivers/mfd/mt6360-core.c

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index f129f96..a422c76 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -862,6 +862,18 @@ 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 include charger, flashlight, rgb led
+ PMIC part include 2-channel BUCKs and 2-channel LDOs
+ LDO part include 4-channel LDOs
+
config MFD_MT6397
tristate "MediaTek MT6397 PMIC Support"
select MFD_CORE
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index f026ada..77a8f0b 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -241,6 +241,7 @@ 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-$(CONFIG_MFD_MT6360) += mt6360-core.o
obj-$(CONFIG_MFD_MT6397) += mt6397-core.o

obj-$(CONFIG_MFD_ALTERA_A10SR) += altera-a10sr.o
diff --git a/drivers/mfd/mt6360-core.c b/drivers/mfd/mt6360-core.c
new file mode 100644
index 0000000..d3580618
--- /dev/null
+++ b/drivers/mfd/mt6360-core.c
@@ -0,0 +1,463 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ */
+
+#include <linux/i2c.h>
+#include <linux/init.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>
+#include <linux/mfd/mt6360-private.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)
+
+#define MT6360_REGMAP_IRQ_REG(_irq_evt) \
+ REGMAP_IRQ_REG(_irq_evt, (_irq_evt) / 8, BIT((_irq_evt) % 8))
+
+#define MT6360_MFD_CELL(_name) \
+ { \
+ .name = #_name, \
+ .of_compatible = "mediatek," #_name, \
+ .num_resources = ARRAY_SIZE(_name##_resources), \
+ .resources = _name##_resources, \
+ }
+
+static const struct regmap_irq mt6360_pmu_irqs[] = {
+ MT6360_REGMAP_IRQ_REG(MT6360_CHG_TREG_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHG_AICR_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHG_MIVR_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_PWR_RDY_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHG_BATSYSUV_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_FLED_CHG_VINOVP_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHG_VSYSUV_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHG_VSYSOV_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHG_VBATOV_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHG_VBUSOV_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_WD_PMU_DET),
+ MT6360_REGMAP_IRQ_REG(MT6360_WD_PMU_DONE),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHG_TMRI),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHG_ADPBADI),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHG_RVPI),
+ MT6360_REGMAP_IRQ_REG(MT6360_OTPI),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHG_AICCMEASL),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHGDET_DONEI),
+ MT6360_REGMAP_IRQ_REG(MT6360_WDTMRI),
+ MT6360_REGMAP_IRQ_REG(MT6360_SSFINISHI),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHG_RECHGI),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHG_TERMI),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHG_IEOCI),
+ MT6360_REGMAP_IRQ_REG(MT6360_PUMPX_DONEI),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHG_TREG_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_BAT_OVP_ADC_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_TYPEC_OTP_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_ADC_WAKEUP_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_ADC_DONEI),
+ MT6360_REGMAP_IRQ_REG(MT6360_BST_BATUVI),
+ MT6360_REGMAP_IRQ_REG(MT6360_BST_VBUSOVI),
+ MT6360_REGMAP_IRQ_REG(MT6360_BST_OLPI),
+ MT6360_REGMAP_IRQ_REG(MT6360_ATTACH_I),
+ MT6360_REGMAP_IRQ_REG(MT6360_DETACH_I),
+ MT6360_REGMAP_IRQ_REG(MT6360_QC30_STPDONE),
+ MT6360_REGMAP_IRQ_REG(MT6360_QC_VBUSDET_DONE),
+ MT6360_REGMAP_IRQ_REG(MT6360_HVDCP_DET),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHGDETI),
+ MT6360_REGMAP_IRQ_REG(MT6360_DCDTI),
+ MT6360_REGMAP_IRQ_REG(MT6360_FOD_DONE_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_FOD_OV_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHRDET_UVP_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHRDET_OVP_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_CHRDET_EXT_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_FOD_LR_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_FOD_HR_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_FOD_DISCHG_FAIL_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_USBID_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_APWDTRST_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_EN_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_QONB_RST_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_MRSTB_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_OTP_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_VDDAOV_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_SYSUV_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_FLED_STRBPIN_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_FLED_TORPIN_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_FLED_TX_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_FLED_LVF_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_FLED2_SHORT_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_FLED1_SHORT_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_FLED2_STRB_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_FLED1_STRB_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_FLED2_STRB_TO_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_FLED1_STRB_TO_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_FLED2_TOR_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_FLED1_TOR_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_BUCK1_PGB_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_BUCK1_OC_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_BUCK1_OV_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_BUCK1_UV_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_BUCK2_PGB_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_BUCK2_OC_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_BUCK2_OV_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_BUCK2_UV_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_LDO1_OC_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_LDO2_OC_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_LDO3_OC_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_LDO5_OC_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_LDO6_OC_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_LDO7_OC_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_LDO1_PGB_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_LDO2_PGB_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_LDO3_PGB_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_LDO5_PGB_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_LDO6_PGB_EVT),
+ MT6360_REGMAP_IRQ_REG(MT6360_LDO7_PGB_EVT),
+};
+
+static int mt6360_pmu_handle_post_irq(void *irq_drv_data)
+{
+ struct mt6360_pmu_info *mpi = irq_drv_data;
+
+ return regmap_update_bits(mpi->regmap,
+ MT6360_PMU_IRQ_SET, MT6360_IRQ_RETRIG, MT6360_IRQ_RETRIG);
+}
+
+static const 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[] = {
+ MT6360_MFD_CELL(mt6360_adc),
+ MT6360_MFD_CELL(mt6360_chg),
+ MT6360_MFD_CELL(mt6360_led),
+ MT6360_MFD_CELL(mt6360_pmic),
+ MT6360_MFD_CELL(mt6360_ldo),
+ /* tcpc dev */
+ {
+ .name = "mt6360_tcpc",
+ .of_compatible = "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,
+ const struct i2c_device_id *id)
+{
+ struct mt6360_pmu_info *mpi;
+ unsigned int reg_data = 0;
+ int i, ret;
+
+ mpi = devm_kzalloc(&client->dev, sizeof(*mpi), GFP_KERNEL);
+ if (!mpi)
+ return -ENOMEM;
+ mpi->dev = &client->dev;
+ i2c_set_clientdata(client, mpi);
+
+ /* regmap regiser */
+ mpi->regmap = devm_regmap_init_i2c(client, &mt6360_pmu_regmap_config);
+ if (IS_ERR(mpi->regmap)) {
+ dev_err(&client->dev, "regmap register fail\n");
+ return PTR_ERR(mpi->regmap);
+ }
+ /* chip id check */
+ ret = regmap_read(mpi->regmap, MT6360_PMU_DEV_INFO, &reg_data);
+ if (ret < 0) {
+ dev_err(&client->dev, "device not found\n");
+ return ret;
+ }
+ if ((reg_data & CHIP_VEN_MASK) != CHIP_VEN_MT6360) {
+ dev_err(&client->dev, "not mt6360 chip\n");
+ return -ENODEV;
+ }
+ mpi->chip_rev = reg_data & CHIP_REV_MASK;
+ /* irq register */
+ memcpy(&mpi->irq_chip, &mt6360_pmu_irq_chip, sizeof(mpi->irq_chip));
+ mpi->irq_chip.name = dev_name(&client->dev);
+ mpi->irq_chip.irq_drv_data = mpi;
+ ret = devm_regmap_add_irq_chip(&client->dev, mpi->regmap, client->irq,
+ IRQF_TRIGGER_FALLING, 0, &mpi->irq_chip,
+ &mpi->irq_data);
+ if (ret < 0) {
+ dev_err(&client->dev, "regmap irq chip add fail\n");
+ return ret;
+ }
+ /* new i2c slave device */
+ for (i = 0; i < MT6360_SLAVE_MAX; i++) {
+ if (mt6360_slave_addr[i] == client->addr) {
+ mpi->i2c[i] = client;
+ continue;
+ }
+ mpi->i2c[i] = i2c_new_dummy(client->adapter,
+ mt6360_slave_addr[i]);
+ if (!mpi->i2c[i]) {
+ dev_err(&client->dev, "new i2c dev [%d] fail\n", i);
+ ret = -ENODEV;
+ goto out;
+ }
+ i2c_set_clientdata(mpi->i2c[i], mpi);
+ }
+ /* mfd cell register */
+ ret = devm_mfd_add_devices(&client->dev, PLATFORM_DEVID_AUTO,
+ mt6360_devs, ARRAY_SIZE(mt6360_devs), NULL,
+ 0, regmap_irq_get_domain(mpi->irq_data));
+ if (ret < 0) {
+ dev_err(&client->dev, "mfd add cells fail\n");
+ goto out;
+ }
+ dev_info(&client->dev, "Successfully probed\n");
+ return 0;
+out:
+ while (--i >= 0) {
+ if (mpi->i2c[i]->addr == client->addr)
+ continue;
+ i2c_unregister_device(mpi->i2c[i]);
+ }
+ return ret;
+}
+
+static int mt6360_pmu_remove(struct i2c_client *client)
+{
+ struct mt6360_pmu_info *mpi = i2c_get_clientdata(client);
+ int i;
+
+ for (i = 0; i < MT6360_SLAVE_MAX; i++) {
+ if (mpi->i2c[i]->addr == client->addr)
+ continue;
+ i2c_unregister_device(mpi->i2c[i]);
+ }
+ 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 const struct i2c_device_id mt6360_pmu_id[] = {
+ { "mt6360_pmu", 0 },
+ {},
+};
+MODULE_DEVICE_TABLE(i2c, mt6360_pmu_id);
+
+static struct i2c_driver mt6360_pmu_driver = {
+ .driver = {
+ .name = "mt6360_pmu",
+ .owner = THIS_MODULE,
+ .pm = &mt6360_pmu_pm_ops,
+ .of_match_table = of_match_ptr(mt6360_pmu_of_id),
+ },
+ .probe = mt6360_pmu_probe,
+ .remove = mt6360_pmu_remove,
+ .id_table = mt6360_pmu_id,
+};
+module_i2c_driver(mt6360_pmu_driver);
+
+MODULE_AUTHOR("CY_Huang <cy_huang@xxxxxxxxxxx>");
+MODULE_DESCRIPTION("MT6360 PMU I2C Driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION("1.0.0");
--
1.9.1