[PATCH 2/2] power: supply: mt6360_charger: add MT6360 charger support

Gene Chen
2020-09-23T11:18:45Z

From: Gene Chen <gene_chen@richtek.com>

Add basic support for the battery charger for MT6360 PMIC

Signed-off-by: Gene Chen <gene_chen@richtek.com>
---
drivers/power/supply/Kconfig | 11 +
drivers/power/supply/Makefile | 1 +
drivers/power/supply/mt6360_charger.c | 1190 +++++++++++++++++++++++++++++++++
3 files changed, 1202 insertions(+)
create mode 100644 drivers/power/supply/mt6360_charger.c

diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig
index faf2830..1beb6a4 100644
--- a/drivers/power/supply/Kconfig
+++ b/drivers/power/supply/Kconfig
@@ -562,6 +562,17 @@ config CHARGER_MP2629
Battery charger. This driver provides Battery charger power management
functions on the systems.

+config CHARGER_MT6360
+ tristate "Mediatek MT6360 Charger Driver"
+ depends on MFD_MT6360
+ depends on REGULATOR
+ select EXTCON
+ help
+ Say Y here to enable MT6360 Charger Part.
+ support High-Accuracy Voltage/Current Regulation,
+ Average Input Current Regulation, Battery Tempature Sensing,
+ Over-Temperature Protection, DPDM Detection for BC1.2
+
config CHARGER_QCOM_SMBB
tristate "Qualcomm Switch-Mode Battery Charger and Boost"
depends on MFD_SPMI_PMIC || COMPILE_TEST
diff --git a/drivers/power/supply/Makefile b/drivers/power/supply/Makefile
index b3c694a..9abecb9c 100644
--- a/drivers/power/supply/Makefile
+++ b/drivers/power/supply/Makefile
@@ -77,6 +77,7 @@ obj-$(CONFIG_CHARGER_MAX77693) += max77693_charger.o
obj-$(CONFIG_CHARGER_MAX8997) += max8997_charger.o
obj-$(CONFIG_CHARGER_MAX8998) += max8998_charger.o
obj-$(CONFIG_CHARGER_MP2629) += mp2629_charger.o
+obj-$(CONFIG_CHARGER_MT6360) += mt6360_charger.o
obj-$(CONFIG_CHARGER_QCOM_SMBB) += qcom_smbb.o
obj-$(CONFIG_CHARGER_BQ2415X) += bq2415x_charger.o
obj-$(CONFIG_CHARGER_BQ24190) += bq24190_charger.o
diff --git a/drivers/power/supply/mt6360_charger.c b/drivers/power/supply/mt6360_charger.c
new file mode 100644
index 0000000..70e3fb6
--- /dev/null
+++ b/drivers/power/supply/mt6360_charger.c
@@ -0,0 +1,1190 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/regmap.h>
+#include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/interrupt.h>
+#include <linux/extcon-provider.h>
+#include <linux/power_supply.h>
+#include <linux/regulator/driver.h>
+
+#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_DEVICE_TYPE (0x22)
+#define MT6360_PMU_USB_STATUS1 (0x27)
+#define MT6360_PMU_CHG_CTRL17 (0x2B)
+#define MT6360_PMU_CHG_CTRL18 (0x2C)
+#define MT6360_PMU_CHG_STAT (0x4A)
+#define MT6360_PMU_CHG_CTRL19 (0x61)
+#define MT6360_PMU_FOD_STAT (0xE7)
+
+/* 0x11 */
+#define MT6360_MASK_FSLP BIT(3)
+#define MT6360_SHFT_FSLP (3)
+#define MT6360_MASK_HIZ BIT(2)
+#define MT6360_SHFT_HIZ (2)
+#define MT6360_MASK_OPA_MODE BIT(0)
+#define MT6360_SHFT_OPA_MODE (0)
+/* 0x12 */
+#define MT6360_MASK_TE BIT(4)
+#define MT6360_SHFT_TE (4)
+#define MT6360_MASK_IINLMTSEL GENMASK(3, 2)
+#define MT6360_SHFT_IINLMTSEL (2)
+#define MT6360_MASK_CHG_EN BIT(0)
+#define MT6360_SHFT_CHG_EN (0)
+/* 0x13 */
+#define MT6360_MASK_IAICR GENMASK(7, 2)
+#define MT6360_SHFT_IAICR (2)
+#define MT6360_MASK_ILIM_EN BIT(0)
+/* 0x14 */
+#define MT6360_MASK_VOREG GENMASK(7, 1)
+#define MT6360_SHFT_VOREG (1)
+/* 0x15 */
+#define MT6360_MASK_VOBST GENMASK(7, 2)
+/* 0x16 */
+#define MT6360_MASK_VMIVR GENMASK(7, 1)
+#define MT6360_SHFT_VMIVR (1)
+/* 0x17 */
+#define MT6360_MASK_ICHG GENMASK(7, 2)
+#define MT6360_SHFT_ICHG (2)
+/* 0x18 */
+#define MT6360_MASK_IPREC GENMASK(3, 0)
+#define MT6360_SHFT_IPREC (0)
+/* 0x19 */
+#define MT6360_MASK_IEOC GENMASK(7, 4)
+#define MT6360_SHFT_IEOC (4)
+/* 0x1A */
+#define MT6360_MASK_LBP GENMASK(7, 4)
+#define MT6360_SHFT_LBP (4)
+#define MT6360_MASK_OTG_OC GENMASK(3, 0)
+#define MT6360_SHFT_OTG_OC (0)
+/* 0x1B */
+#define MT6360_MASK_SYSREG GENMASK(4, 2)
+#define MT6360_SHFT_SYSREG (2)
+#define MT6360_MASK_VREC GENMASK(2, 0)
+#define MT6360_SHFT_VREC (0)
+/* 0x1C */
+#define MT6360_MASK_WT_FC GENMASK(7, 5)
+#define MT6360_SHFT_WT_FC (5)
+/* 0x1D */
+#define MT6360_MASK_CHG_WDT_EN BIT(7)
+#define MT6360_SHFT_CHG_WDT_EN (7)
+#define MT6360_MASK_CHG_WDT GENMASK(5, 4)
+#define MT6360_SHFT_CHG_WDT (4)
+/* 0x22 */
+#define MT6360_MASK_USBCHGEN BIT(7)
+#define MT6360_SHFT_USBCHGEN (7)
+/* 0x27 */
+#define MT6360_MASK_USB_STATUS GENMASK(6, 4)
+#define MT6360_SHFT_USB_STATUS (4)
+/* 0x2C */
+#define MT6360_MASK_BAT_COMP GENMASK(5, 3)
+#define MT6360_SHFT_BAT_COMP (3)
+#define MT6360_MASK_VCLAMP GENMASK(2, 0)
+#define MT6360_SHFT_VCLAMP (0)
+/* 0x4A */
+#define MT6360_MASK_CHG_STAT GENMASK(7, 6)
+#define MT6360_SHFT_CHG_STAT (6)
+#define MT6360_MASK_VBAT_LVL BIT(5)
+/* 0x61 */
+#define MT6360_MASK_VINOVP GENMASK(6, 5)
+#define MT6360_SHFT_VINOVP (5)
+/* 0xE7 */
+#define MT6360_MASK_CHRDET_EXT BIT(4)
+#define MT6360_SHFT_CHRDET_EXT (4)
+
+/* uA */
+#define MT6360_ICHG_MIN 100000
+#define MT6360_ICHG_MAX 5000000
+#define MT6360_ICHG_STEP 100000
+/* uV */
+#define MT6360_VOREG_MIN 3900000
+#define MT6360_VOREG_MAX 4710000
+#define MT6360_VOREG_STEP 10000
+/* uA */
+#define MT6360_AICR_MIN 100000
+#define MT6360_AICR_MAX 3250000
+#define MT6360_AICR_STEP 50000
+/* uA */
+#define MT6360_IPREC_MIN 100000
+#define MT6360_IPREC_MAX 850000
+#define MT6360_IPREC_STEP 50000
+/* uA */
+#define MT6360_IEOC_MIN 100000
+#define MT6360_IEOC_MAX 850000
+#define MT6360_IEOC_STEP 50000
+
+struct mt6360_chg_platform_data {
+ u32 vinovp;
+};
+
+struct mt6360_chg_info {
+ struct device *dev;
+ struct mt6360_chg_platform_data *pdata;
+ struct regmap *regmap;
+ struct extcon_dev *edev;
+ struct power_supply_desc psy_desc;
+ struct power_supply *psy;
+ struct regulator_desc otg_rdesc;
+ struct regulator_dev *otg_rdev;
+ struct mutex chgdet_lock;
+ bool pwr_rdy;
+ bool bc12_en;
+ int psy_usb_type;
+ struct work_struct chrdet_work;
+};
+
+static struct mt6360_chg_platform_data def_platform_data = {
+ .vinovp = 6500000,
+};
+
+struct mt6360_irq_desc {
+ const char *name;
+ irq_handler_t irq_handler;
+};
+
+enum mt6360_iinlmtsel {
+ MT6360_IINLMTSEL_AICR_3250 = 0,
+ MT6360_IINLMTSEL_CHG_TYPE,
+ MT6360_IINLMTSEL_AICR,
+ MT6360_IINLMTSEL_LOWER_LEVEL,
+};
+
+enum mt6360_pmu_chg_type {
+ MT6360_CHG_TYPE_NOVBUS = 0,
+ MT6360_CHG_TYPE_UNDER_GOING,
+ MT6360_CHG_TYPE_SDP,
+ MT6360_CHG_TYPE_SDPNSTD,
+ MT6360_CHG_TYPE_DCP,
+ MT6360_CHG_TYPE_CDP,
+ MT6360_CHG_TYPE_MAX,
+};
+
+static enum power_supply_usb_type mt6360_charger_usb_types[] = {
+ POWER_SUPPLY_USB_TYPE_UNKNOWN,
+ POWER_SUPPLY_USB_TYPE_SDP,
+ POWER_SUPPLY_USB_TYPE_DCP,
+ POWER_SUPPLY_USB_TYPE_CDP,
+ POWER_SUPPLY_USB_TYPE_C,
+ POWER_SUPPLY_USB_TYPE_PD,
+ POWER_SUPPLY_USB_TYPE_PD_DRP,
+ POWER_SUPPLY_USB_TYPE_APPLE_BRICK_ID
+};
+
+static inline unsigned int mt6360_trans_reg_sel(u32 data, u32 min_val, u32 step,
+ u32 max_sel)
+{
+ unsigned int target = 0;
+
+ if (data >= min_val)
+ target = (data - min_val) / step;
+ if (target > max_sel)
+ target = max_sel;
+ return target;
+}
+
+static inline int mt6360_get_chrdet_ext_stat(struct mt6360_chg_info *mci,
+ bool *pwr_rdy)
+{
+ int ret;
+ unsigned int regval;
+
+ ret = regmap_read(mci->regmap, MT6360_PMU_FOD_STAT, &regval);
+ if (ret < 0)
+ return ret;
+ *pwr_rdy = (regval & MT6360_MASK_CHRDET_EXT) ? true : false;
+ return 0;
+}
+
+static int mt6360_charger_get_online(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ int ret;
+ bool pwr_rdy;
+
+ ret = mt6360_get_chrdet_ext_stat(mci, &pwr_rdy);
+ if (ret < 0)
+ return ret;
+ val->intval = pwr_rdy ? true : false;
+ return 0;
+}
+
+static int mt6360_charger_get_status(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ int status, ret;
+ unsigned int regval;
+ bool pwr_rdy;
+
+ ret = mt6360_get_chrdet_ext_stat(mci, &pwr_rdy);
+ if (ret < 0)
+ return ret;
+ if (!pwr_rdy) {
+ status = POWER_SUPPLY_STATUS_DISCHARGING;
+ goto out;
+ }
+
+ ret = regmap_read(mci->regmap, MT6360_PMU_CHG_STAT, &regval);
+ if (ret < 0)
+ return ret;
+ regval &= MT6360_MASK_CHG_STAT;
+ regval >>= MT6360_SHFT_CHG_STAT;
+ switch (regval) {
+ case 0x0:
+ status = POWER_SUPPLY_STATUS_NOT_CHARGING;
+ break;
+ case 0x1:
+ status = POWER_SUPPLY_STATUS_CHARGING;
+ break;
+ case 0x2:
+ status = POWER_SUPPLY_STATUS_FULL;
+ break;
+ default:
+ ret = -EIO;
+ }
+out:
+ if (!ret)
+ val->intval = status;
+ return ret;
+}
+
+static int mt6360_charger_get_charge_type(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ int type, ret;
+ unsigned int regval;
+ u8 chg_stat;
+
+ ret = regmap_read(mci->regmap, MT6360_PMU_CHG_STAT, &regval);
+ if (ret < 0)
+ return ret;
+ chg_stat = (regval & MT6360_MASK_CHG_STAT) >> MT6360_SHFT_CHG_STAT;
+ switch (chg_stat) {
+ case 0x00: /* Not Charging */
+ type = POWER_SUPPLY_CHARGE_TYPE_NONE;
+ break;
+ case 0x01: /* Charge in Progress */
+ if (regval & MT6360_MASK_VBAT_LVL)
+ type = POWER_SUPPLY_CHARGE_TYPE_FAST;
+ else
+ type = POWER_SUPPLY_CHARGE_TYPE_TRICKLE;
+ break;
+ case 0x02: /* Charge Done */
+ type = POWER_SUPPLY_CHARGE_TYPE_NONE;
+ break;
+ case 0x03: /* Charge Fault */
+ type = POWER_SUPPLY_STATUS_UNKNOWN;
+ break;
+ default:
+ break;
+ }
+ val->intval = type;
+ return 0;
+}
+
+static int mt6360_charger_get_ichg(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ int ichg, ret;
+ unsigned int regval;
+
+ ret = regmap_read(mci->regmap, MT6360_PMU_CHG_CTRL7, &regval);
+ if (ret < 0)
+ return ret;
+ regval = (regval & MT6360_MASK_ICHG) >> MT6360_SHFT_ICHG;
+ ichg = MT6360_ICHG_MIN + (regval * MT6360_ICHG_STEP);
+ if (ichg > MT6360_ICHG_MAX)
+ ichg = MT6360_ICHG_MAX;
+ val->intval = ichg;
+ return 0;
+}
+
+static int mt6360_charger_get_max_ichg(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ val->intval = MT6360_ICHG_MAX;
+ return 0;
+}
+
+static int mt6360_charger_get_cv(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ int cv, ret;
+ unsigned int regval;
+
+ ret = regmap_read(mci->regmap, MT6360_PMU_CHG_CTRL4, &regval);
+ if (ret < 0)
+ return ret;
+ regval = (regval & MT6360_MASK_VOREG) >> MT6360_SHFT_VOREG;
+ cv = MT6360_VOREG_MIN + (regval * MT6360_VOREG_STEP);
+ if (cv > MT6360_VOREG_MAX)
+ cv = MT6360_VOREG_MAX;
+ val->intval = cv;
+ return 0;
+}
+
+static int mt6360_charger_get_max_cv(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ val->intval = MT6360_VOREG_MAX;
+ return 0;
+}
+
+static int mt6360_charger_get_aicr(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ int ret;
+ unsigned int regval;
+
+ ret = regmap_read(mci->regmap, MT6360_PMU_CHG_CTRL3, &regval);
+ if (ret < 0)
+ return ret;
+ regval = (regval & MT6360_MASK_IAICR) >> MT6360_SHFT_IAICR;
+ val->intval = MT6360_AICR_MIN + (regval * MT6360_AICR_STEP);
+ return 0;
+}
+
+static int mt6360_charger_get_iprechg(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ int ret;
+ unsigned int regval;
+
+ ret = regmap_read(mci->regmap, MT6360_PMU_CHG_CTRL8, &regval);
+ if (ret < 0)
+ return ret;
+ regval = (regval & MT6360_MASK_IPREC) >> MT6360_SHFT_IPREC;
+ val->intval = MT6360_IPREC_MIN + (regval * MT6360_IPREC_STEP);
+ return 0;
+}
+
+static int mt6360_charger_get_ieoc(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ int ret;
+ unsigned int regval;
+
+ ret = regmap_read(mci->regmap, MT6360_PMU_CHG_CTRL9, &regval);
+ if (ret < 0)
+ return ret;
+ regval = (regval & MT6360_MASK_IEOC) >> MT6360_SHFT_IEOC;
+ val->intval = MT6360_IEOC_MIN + (regval * MT6360_IEOC_STEP);
+ return 0;
+}
+
+static int mt6360_charger_set_online(struct mt6360_chg_info *mci,
+ const union power_supply_propval *val)
+{
+ u8 force_sleep = val->intval ? 0 : 1;
+
+ return regmap_update_bits(mci->regmap, MT6360_PMU_CHG_CTRL1,
+ MT6360_MASK_FSLP,
+ force_sleep << MT6360_SHFT_FSLP);
+}
+
+static int mt6360_charger_set_ichg(struct mt6360_chg_info *mci,
+ const union power_supply_propval *val)
+{
+ unsigned int regval;
+
+ regval = mt6360_trans_reg_sel(val->intval, 100000, 100000, 0x31);
+ return regmap_update_bits(mci->regmap, MT6360_PMU_CHG_CTRL7,
+ MT6360_MASK_ICHG, regval << MT6360_SHFT_ICHG);
+}
+
+static int mt6360_charger_set_cv(struct mt6360_chg_info *mci,
+ const union power_supply_propval *val)
+{
+ unsigned int regval;
+
+ regval = mt6360_trans_reg_sel(val->intval, 3900000, 10000, 0x51);
+ return regmap_update_bits(mci->regmap,
+ MT6360_PMU_CHG_CTRL4,
+ MT6360_MASK_VOREG,
+ regval << MT6360_SHFT_VOREG);
+}
+
+static int mt6360_charger_set_aicr(struct mt6360_chg_info *mci,
+ const union power_supply_propval *val)
+{
+ unsigned int regval;
+
+ regval = mt6360_trans_reg_sel(val->intval, 100000, 50000, 0x3F);
+ return regmap_update_bits(mci->regmap,
+ MT6360_PMU_CHG_CTRL3,
+ MT6360_MASK_IAICR,
+ regval << MT6360_SHFT_IAICR);
+}
+
+static int mt6360_charger_set_iprechg(struct mt6360_chg_info *mci,
+ const union power_supply_propval *val)
+{
+ unsigned int regval;
+
+ regval = mt6360_trans_reg_sel(val->intval, 100000, 50000, 0x0F);
+ return regmap_update_bits(mci->regmap,
+ MT6360_PMU_CHG_CTRL8,
+ MT6360_MASK_IPREC,
+ regval << MT6360_SHFT_IPREC);
+}
+
+static int mt6360_charger_set_ieoc(struct mt6360_chg_info *mci,
+ const union power_supply_propval *val)
+{
+ unsigned int regval;
+
+ regval = mt6360_trans_reg_sel(val->intval, 100000, 50000, 0x0F);
+ return regmap_update_bits(mci->regmap,
+ MT6360_PMU_CHG_CTRL9,
+ MT6360_MASK_IEOC,
+ regval << MT6360_SHFT_IEOC);
+}
+
+static int mt6360_charger_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct mt6360_chg_info *mci = power_supply_get_drvdata(psy);
+ int ret = 0;
+
+ dev_dbg(mci->dev, "%s: prop = %d\n", __func__, psp);
+ switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ ret = mt6360_charger_get_online(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_STATUS:
+ ret = mt6360_charger_get_status(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_TYPE:
+ ret = mt6360_charger_get_charge_type(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
+ ret = mt6360_charger_get_ichg(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
+ ret = mt6360_charger_get_max_ichg(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
+ ret = mt6360_charger_get_cv(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX:
+ ret = mt6360_charger_get_max_cv(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
+ ret = mt6360_charger_get_aicr(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_PRECHARGE_CURRENT:
+ ret = mt6360_charger_get_iprechg(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT:
+ ret = mt6360_charger_get_ieoc(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_USB_TYPE:
+ val->intval = mci->psy_usb_type;
+ break;
+ default:
+ ret = -ENODATA;
+ }
+ return ret;
+}
+
+static int mt6360_charger_set_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ const union power_supply_propval *val)
+{
+ struct mt6360_chg_info *mci = power_supply_get_drvdata(psy);
+ int ret;
+
+ dev_dbg(mci->dev, "%s: prop = %d\n", __func__, psp);
+ switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ ret = mt6360_charger_set_online(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
+ ret = mt6360_charger_set_ichg(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
+ ret = mt6360_charger_set_cv(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
+ ret = mt6360_charger_set_aicr(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_PRECHARGE_CURRENT:
+ ret = mt6360_charger_set_iprechg(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT:
+ ret = mt6360_charger_set_ieoc(mci, val);
+ break;
+ default:
+ ret = -EINVAL;
+ }
+ return ret;
+}
+
+static int mt6360_charger_property_is_writeable(struct power_supply *psy,
+ enum power_supply_property psp)
+{
+ switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
+ case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
+ case POWER_SUPPLY_PROP_PRECHARGE_CURRENT:
+ case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+static enum power_supply_property mt6360_charger_properties[] = {
+ POWER_SUPPLY_PROP_ONLINE,
+ POWER_SUPPLY_PROP_STATUS,
+ POWER_SUPPLY_PROP_CHARGE_TYPE,
+ POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
+ POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
+ POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
+ POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX,
+ POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
+ POWER_SUPPLY_PROP_PRECHARGE_CURRENT,
+ POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
+ POWER_SUPPLY_PROP_USB_TYPE,
+};
+
+static char *mt6360_charger_supplied_to[] = {
+ "main-battery"
+};
+
+static const struct power_supply_desc mt6360_charger_desc = {
+ .type = POWER_SUPPLY_TYPE_USB,
+ .properties = mt6360_charger_properties,
+ .num_properties = ARRAY_SIZE(mt6360_charger_properties),
+ .get_property = mt6360_charger_get_property,
+ .set_property = mt6360_charger_set_property,
+ .property_is_writeable = mt6360_charger_property_is_writeable,
+ .usb_types = mt6360_charger_usb_types,
+ .num_usb_types = ARRAY_SIZE(mt6360_charger_usb_types),
+};
+
+static const struct regulator_ops mt6360_chg_otg_ops = {
+ .list_voltage = regulator_list_voltage_linear,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+};
+
+static const struct regulator_desc mt6360_otg_rdesc = {
+ .of_match = "usb-otg-vbus",
+ .name = "usb-otg-vbus",
+ .ops = &mt6360_chg_otg_ops,
+ .owner = THIS_MODULE,
+ .type = REGULATOR_VOLTAGE,
+ .min_uV = 4425000,
+ .uV_step = 25000, /* step 25mV */
+ .n_voltages = 57, /* 4425mV to 5825mV */
+ .vsel_reg = MT6360_PMU_CHG_CTRL5,
+ .vsel_mask = MT6360_MASK_VOBST,
+ .enable_reg = MT6360_PMU_CHG_CTRL1,
+ .enable_mask = MT6360_MASK_OPA_MODE,
+};
+
+static const unsigned int mt6360_extcon_cable[] = {
+ EXTCON_USB,
+ EXTCON_USB_HOST,
+ EXTCON_CHG_USB_SDP,
+ EXTCON_CHG_USB_DCP,
+ EXTCON_CHG_USB_CDP,
+ EXTCON_CHG_USB_SLOW, /* For NonStandard Charger */
+ EXTCON_NONE,
+};
+
+static irqreturn_t mt6360_pmu_chg_treg_evt_handler(int irq, void *data)
+{
+ struct mt6360_chg_info *mci = data;
+
+ dev_warn(mci->dev, "%s\n", __func__);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t mt6360_pmu_pwr_rdy_evt_handler(int irq, void *data)
+{
+ struct mt6360_chg_info *mci = data;
+
+ dev_dbg(mci->dev, "%s\n", __func__);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t mt6360_pmu_chg_batsysuv_evt_handler(int irq, void *data)
+{
+ struct mt6360_chg_info *mci = data;
+
+ dev_warn(mci->dev, "%s\n", __func__);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t mt6360_pmu_chg_vsysuv_evt_handler(int irq, void *data)
+{
+ struct mt6360_chg_info *mci = data;
+
+ dev_warn(mci->dev, "%s\n", __func__);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t mt6360_pmu_chg_vsysov_evt_handler(int irq, void *data)
+{
+ struct mt6360_chg_info *mci = data;
+
+ dev_warn(mci->dev, "%s\n", __func__);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t mt6360_pmu_chg_vbatov_evt_handler(int irq, void *data)
+{
+ struct mt6360_chg_info *mci = data;
+
+ dev_warn(mci->dev, "%s\n", __func__);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t mt6360_pmu_chg_vbusov_evt_handler(int irq, void *data)
+{
+ struct mt6360_chg_info *mci = data;
+
+ dev_warn(mci->dev, "%s\n", __func__);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t mt6360_pmu_chg_aiccmeasl_handler(int irq, void *data)
+{
+ struct mt6360_chg_info *mci = data;
+
+ dev_dbg(mci->dev, "%s\n", __func__);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t mt6360_pmu_wdtmri_handler(int irq, void *data)
+{
+ struct mt6360_chg_info *mci = data;
+
+ dev_dbg(mci->dev, "%s\n", __func__);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t mt6360_pmu_chg_rechgi_handler(int irq, void *data)
+{
+ struct mt6360_chg_info *mci = data;
+
+ dev_dbg(mci->dev, "%s\n", __func__);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t mt6360_pmu_chg_termi_handler(int irq, void *data)
+{
+ struct mt6360_chg_info *mci = data;
+
+ dev_dbg(mci->dev, "%s\n", __func__);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t mt6360_pmu_chg_ieoci_handler(int irq, void *data)
+{
+ struct mt6360_chg_info *mci = data;
+
+ dev_dbg(mci->dev, "%s\n", __func__);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t mt6360_pmu_pumpx_donei_handler(int irq, void *data)
+{
+ struct mt6360_chg_info *mci = data;
+
+ dev_dbg(mci->dev, "%s\n", __func__);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t mt6360_pmu_attach_i_handler(int irq, void *data)
+{
+ struct mt6360_chg_info *mci = data;
+ int ret, chg_type = EXTCON_NONE;
+ unsigned int usb_status;
+ int last_usb_type;
+
+ dev_dbg(mci->dev, "%s\n", __func__);
+ mutex_lock(&mci->chgdet_lock);
+ if (!mci->bc12_en) {
+ dev_info(mci->dev, "%s: bc12 disabled, ignore irq\n", __func__);
+ goto out;
+ }
+ last_usb_type = mci->psy_usb_type;
+ /* Plug in */
+ ret = regmap_read(mci->regmap, MT6360_PMU_USB_STATUS1, &usb_status);
+ if (ret < 0)
+ goto out;
+ usb_status &= MT6360_MASK_USB_STATUS;
+ usb_status >>= MT6360_SHFT_USB_STATUS;
+ switch (usb_status) {
+ case MT6360_CHG_TYPE_UNDER_GOING:
+ dev_info(mci->dev, "%s: under going...\n", __func__);
+ goto out;
+ case MT6360_CHG_TYPE_SDP:
+ chg_type = EXTCON_CHG_USB_SDP;
+ mci->psy_usb_type = POWER_SUPPLY_USB_TYPE_SDP;
+ break;
+ case MT6360_CHG_TYPE_SDPNSTD:
+ chg_type = EXTCON_CHG_USB_SLOW;
+ mci->psy_usb_type = POWER_SUPPLY_USB_TYPE_SDP;
+ break;
+ case MT6360_CHG_TYPE_CDP:
+ chg_type = EXTCON_CHG_USB_CDP;
+ mci->psy_usb_type = POWER_SUPPLY_USB_TYPE_CDP;
+ break;
+ case MT6360_CHG_TYPE_DCP:
+ chg_type = EXTCON_CHG_USB_DCP;
+ mci->psy_usb_type = POWER_SUPPLY_USB_TYPE_DCP;
+ break;
+ default:
+ dev_warn(mci->dev,
+ "%s: disconnect or unknown status\n", __func__);
+ goto out;
+ }
+
+ dev_info(mci->dev, "%s: chg_type = %d\n", __func__, chg_type);
+ if (chg_type == EXTCON_CHG_USB_SDP || chg_type == EXTCON_CHG_USB_CDP) {
+ extcon_set_state_sync(mci->edev, EXTCON_USB_HOST, false);
+ extcon_set_state_sync(mci->edev, EXTCON_USB, true);
+ }
+ extcon_set_state_sync(mci->edev, chg_type, true);
+ if (last_usb_type != mci->psy_usb_type)
+ power_supply_changed(mci->psy);
+out:
+ mutex_unlock(&mci->chgdet_lock);
+ return IRQ_HANDLED;
+}
+
+static void mt6360_handle_chrdet_ext_evt(struct mt6360_chg_info *mci)
+{
+ int i, ret;
+ bool pwr_rdy;
+ int last_usb_type;
+
+ mutex_lock(&mci->chgdet_lock);
+ ret = mt6360_get_chrdet_ext_stat(mci, &pwr_rdy);
+ if (ret < 0)
+ goto out;
+ if (mci->pwr_rdy == pwr_rdy) {
+ dev_info(mci->dev,
+ "%s: pwr_rdy is same(%d)\n", __func__, pwr_rdy);
+ goto out;
+ }
+ mci->pwr_rdy = pwr_rdy;
+ last_usb_type = mci->psy_usb_type;
+ dev_info(mci->dev, "%s: pwr_rdy = %d\n", __func__, pwr_rdy);
+ if (!pwr_rdy) {
+ for (i = 0; i < ARRAY_SIZE(mt6360_extcon_cable) - 1; i++) {
+ extcon_set_state_sync(mci->edev,
+ mt6360_extcon_cable[i], false);
+ }
+ mci->psy_usb_type = POWER_SUPPLY_USB_TYPE_UNKNOWN;
+ if (last_usb_type != mci->psy_usb_type)
+ power_supply_changed(mci->psy);
+
+ }
+ ret = regmap_update_bits(mci->regmap,
+ MT6360_PMU_DEVICE_TYPE,
+ MT6360_MASK_USBCHGEN,
+ pwr_rdy ? MT6360_MASK_USBCHGEN : 0);
+ if (ret < 0)
+ goto out;
+ mci->bc12_en = pwr_rdy;
+out:
+ mutex_unlock(&mci->chgdet_lock);
+}
+
+static void mt6360_chrdet_work(struct work_struct *work)
+{
+ struct mt6360_chg_info *mci = (struct mt6360_chg_info *)container_of(
+ work, struct mt6360_chg_info, chrdet_work);
+
+ dev_info(mci->dev, "%s\n", __func__);
+ mt6360_handle_chrdet_ext_evt(mci);
+}
+
+static irqreturn_t mt6360_pmu_chrdet_ext_evt_handler(int irq, void *data)
+{
+ struct mt6360_chg_info *mci = data;
+
+ dev_info(mci->dev, "%s\n", __func__);
+ mt6360_handle_chrdet_ext_evt(mci);
+ return IRQ_HANDLED;
+}
+
+static const struct mt6360_irq_desc mt6360_chg_irq_desc[] = {
+ { "chg_treg_evt", mt6360_pmu_chg_treg_evt_handler },
+ { "pwr_rdy_evt", mt6360_pmu_pwr_rdy_evt_handler },
+ { "chg_batsysuv_evt", mt6360_pmu_chg_batsysuv_evt_handler },
+ { "chg_vsysuv_evt", mt6360_pmu_chg_vsysuv_evt_handler },
+ { "chg_vsysov_evt", mt6360_pmu_chg_vsysov_evt_handler },
+ { "chg_vbatov_evt", mt6360_pmu_chg_vbatov_evt_handler },
+ { "chg_vbusov_evt", mt6360_pmu_chg_vbusov_evt_handler },
+ { "chg_aiccmeasl", mt6360_pmu_chg_aiccmeasl_handler },
+ { "wdtmri", mt6360_pmu_wdtmri_handler },
+ { "chg_rechgi", mt6360_pmu_chg_rechgi_handler },
+ { "chg_termi", mt6360_pmu_chg_termi_handler },
+ { "chg_ieoci", mt6360_pmu_chg_ieoci_handler },
+ { "pumpx_donei", mt6360_pmu_pumpx_donei_handler },
+ { "attach_i", mt6360_pmu_attach_i_handler },
+ { "chrdet_ext_evt", mt6360_pmu_chrdet_ext_evt_handler },
+};
+
+static int mt6360_chg_irq_register(struct platform_device *pdev)
+{
+ const struct mt6360_irq_desc *irq_desc;
+ int i, irq, ret;
+
+ for (i = 0; i < ARRAY_SIZE(mt6360_chg_irq_desc); i++) {
+ irq_desc = mt6360_chg_irq_desc + i;
+ if (unlikely(!irq_desc->name))
+ continue;
+ irq = platform_get_irq_byname(pdev, irq_desc->name);
+ if (irq < 0)
+ continue;
+ ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
+ irq_desc->irq_handler,
+ IRQF_TRIGGER_FALLING,
+ irq_desc->name,
+ platform_get_drvdata(pdev));
+ if (ret < 0) {
+ dev_err(&pdev->dev,
+ "request %s irq fail\n", irq_desc->name);
+ return ret;
+ }
+ }
+ return 0;
+}
+
+struct mt6360_field_info {
+ struct device_attribute dev_attr;
+ u8 reg;
+ u8 mask;
+ u8 shft;
+};
+
+static ssize_t mt6360_sysfs_show(struct device *dev,
+ struct device_attribute *attr, char *buf);
+static ssize_t mt6360_sysfs_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count);
+
+#define MT6360_FIELD_RW(_name, _reg, _nbit) \
+{ \
+ .dev_attr = __ATTR(_name, 0664, \
+ mt6360_sysfs_show, mt6360_sysfs_store), \
+ .reg = MT6360_PMU_##_reg, \
+ .mask = MT6360_MASK_##_nbit, \
+ .shft = MT6360_SHFT_##_nbit, \
+}
+
+#define MT6360_FIELD_RO(_name, _reg, _nbit) \
+{ \
+ .dev_attr = __ATTR(_name, 0444, \
+ mt6360_sysfs_show, NULL), \
+ .reg = MT6360_PMU_##_reg, \
+ .mask = MT6360_MASK_##_nbit, \
+ .shft = MT6360_SHFT_##_nbit, \
+}
+
+static struct mt6360_field_info mt6360_field_tbl[] = {
+ MT6360_FIELD_RW(hiz, CHG_CTRL1, HIZ),
+ MT6360_FIELD_RW(vmivr, CHG_CTRL6, VMIVR),
+ MT6360_FIELD_RW(iaicr, CHG_CTRL3, IAICR),
+ MT6360_FIELD_RW(SYSREG, CHG_CTRL11, SYSREG),
+ MT6360_FIELD_RW(otg_oc, CHG_CTRL10, OTG_OC),
+ MT6360_FIELD_RW(ichg, CHG_CTRL17, ICHG),
+ MT6360_FIELD_RW(iprec, CHG_CTRL8, IPREC),
+ MT6360_FIELD_RW(ieoc, CHG_CTRL9, IEOC),
+ MT6360_FIELD_RW(voreg, CHG_CTRL4, VOREG),
+ MT6360_FIELD_RW(lbp, CHG_CTRL10, LBP),
+ MT6360_FIELD_RW(vrec, CHG_CTRL11, VREC),
+ MT6360_FIELD_RW(te, CHG_CTRL2, TE),
+ MT6360_FIELD_RW(chg_wdt_en, CHG_CTRL13, CHG_WDT_EN),
+ MT6360_FIELD_RW(chg_wdt, CHG_CTRL13, CHG_WDT),
+ MT6360_FIELD_RW(wt_fc, CHG_CTRL12, WT_FC),
+ MT6360_FIELD_RW(bat_comp, CHG_CTRL18, BAT_COMP),
+ MT6360_FIELD_RW(vclamp, CHG_CTRL18, VCLAMP),
+ MT6360_FIELD_RW(usbchgen, DEVICE_TYPE, USBCHGEN),
+ MT6360_FIELD_RW(chg_en, CHG_CTRL2, CHG_EN),
+ MT6360_FIELD_RO(chrdet_ext, FOD_STAT, CHRDET_EXT),
+};
+
+static struct attribute *mt6360_attrs[ARRAY_SIZE(mt6360_field_tbl) + 1];
+
+static const struct attribute_group mt6360_attr_group = {
+ .attrs = mt6360_attrs,
+};
+
+static ssize_t mt6360_sysfs_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct mt6360_chg_info *mci = dev_get_drvdata(dev->parent);
+ struct mt6360_field_info *info = (void *)attr;
+ unsigned int regval;
+ int ret;
+
+ ret = regmap_read(mci->regmap, info->reg, &regval);
+ if (ret < 0)
+ return ret;
+ regval = (regval & info->mask) >> info->shft;
+ return scnprintf(buf, PAGE_SIZE, "%02x\n", regval);
+}
+
+static ssize_t mt6360_sysfs_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct mt6360_chg_info *mci = dev_get_drvdata(dev->parent);
+ struct mt6360_field_info *info = (void *)attr;
+ int ret, tmp;
+
+ if (kstrtoint(buf, 10, &tmp) < 0) {
+ dev_err(dev, "failed to parsing number\n");
+ return -EINVAL;
+ }
+ ret = regmap_update_bits(mci->regmap,
+ info->reg, info->mask, tmp << info->shft);
+ if (ret < 0)
+ return ret;
+ return count;
+}
+
+static int mt6360_sysfs_create_group(struct mt6360_chg_info *mci)
+{
+ int i, tb_size = ARRAY_SIZE(mt6360_field_tbl);
+
+ for (i = 0; i < tb_size; i++)
+ mt6360_attrs[i] = &(mt6360_field_tbl[i].dev_attr.attr);
+ return devm_device_add_group(&mci->psy->dev, &mt6360_attr_group);
+}
+
+static int mt6360_chg_init_setting(struct mt6360_chg_info *mci)
+{
+ int ret;
+
+ /* Disable bc12 */
+ ret = regmap_update_bits(mci->regmap, MT6360_PMU_DEVICE_TYPE,
+ MT6360_MASK_USBCHGEN, 0);
+ if (ret < 0) {
+ dev_err(mci->dev, "%s: disable bc12 fail\n", __func__);
+ goto out;
+ }
+ /* Set input current limit select by AICR */
+ ret = regmap_update_bits(mci->regmap, MT6360_PMU_CHG_CTRL2,
+ MT6360_MASK_IINLMTSEL,
+ MT6360_IINLMTSEL_AICR <<
+ MT6360_SHFT_IINLMTSEL);
+ if (ret < 0) {
+ dev_err(mci->dev,
+ "%s: switch iinlmtsel to aicr fail\n", __func__);
+ goto out;
+ }
+ usleep_range(5000, 6000);
+ /* Disable ilim */
+ ret = regmap_update_bits(mci->regmap, MT6360_PMU_CHG_CTRL3,
+ MT6360_MASK_ILIM_EN, 0);
+ if (ret < 0) {
+ dev_err(mci->dev,
+ "%s: switch iinlmtsel to aicr fail\n", __func__);
+ goto out;
+ }
+ /* Enlarge OTG_OC to max 3A */
+ ret = regmap_update_bits(mci->regmap,
+ MT6360_PMU_CHG_CTRL10, 0x07, 0x07);
+ if (ret < 0) {
+ dev_err(mci->dev,
+ "%s: faled config otg oc to maximum\n", __func__);
+ }
+out:
+ return ret;
+}
+
+static u32 mt6360_vinovp_trans_to_sel(u32 val)
+{
+ u32 vinovp_tbl[] = { 5500000, 6500000, 11000000, 14500000 };
+ int i;
+
+ /* Select the smaller and equal supported value */
+ for (i = 0; i < ARRAY_SIZE(vinovp_tbl)-1; i++) {
+ if (val < vinovp_tbl[i+1])
+ break;
+ }
+ return i;
+}
+
+static struct mt6360_chg_platform_data *mt6360_parse_pdata(
+ struct platform_device *pdev)
+{
+ struct mt6360_chg_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ struct device_node *np = pdev->dev.of_node;
+ int ret;
+
+ pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
+ if (!pdata)
+ return ERR_PTR(-ENOMEM);
+ memcpy(pdata, &def_platform_data, sizeof(*pdata));
+ ret = of_property_read_u32(np, "vinovp", &pdata->vinovp);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to parse vinovp in DT\n");
+ return ERR_PTR(ret);
+ }
+ return pdata;
+}
+
+static int mt6360_apply_pdata(struct platform_device *pdev)
+{
+ struct mt6360_chg_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ struct mt6360_chg_info *mci = dev_get_drvdata(&pdev->dev);
+ int ret;
+ u32 sel;
+
+ sel = mt6360_vinovp_trans_to_sel(pdata->vinovp);
+ ret = regmap_update_bits(mci->regmap, MT6360_PMU_CHG_CTRL19,
+ MT6360_MASK_VINOVP, sel << MT6360_SHFT_VINOVP);
+ if (ret)
+ return ret;
+ return 0;
+}
+
+static int mt6360_charger_probe(struct platform_device *pdev)
+{
+ struct mt6360_chg_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ struct mt6360_chg_info *mci;
+ struct power_supply_config charger_cfg = {};
+ struct regulator_config config = { };
+ int ret;
+
+ mci = devm_kzalloc(&pdev->dev, sizeof(*mci), GFP_KERNEL);
+ if (!mci)
+ return -ENOMEM;
+
+ pdata = mt6360_parse_pdata(pdev);
+ if (IS_ERR_OR_NULL(pdata))
+ return PTR_ERR(pdata);
+
+ pdev->dev.platform_data = pdata;
+
+ mci->dev = &pdev->dev;
+ mutex_init(&mci->chgdet_lock);
+ platform_set_drvdata(pdev, mci);
+ INIT_WORK(&mci->chrdet_work, &mt6360_chrdet_work);
+
+ mci->regmap = dev_get_regmap(pdev->dev.parent, NULL);
+ if (!mci->regmap) {
+ dev_err(&pdev->dev, "Failed to get parent regmap\n");
+ return -ENODEV;
+ }
+
+ ret = mt6360_apply_pdata(pdev);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to apply pdata\n");
+ return ret;
+ }
+
+ mci->edev = devm_extcon_dev_allocate(&pdev->dev, mt6360_extcon_cable);
+ if (IS_ERR(mci->edev)) {
+ dev_err(&pdev->dev, "Failed to allocate memory for extcon\n");
+ return -ENOMEM;
+ }
+
+ ret = devm_extcon_dev_register(&pdev->dev, mci->edev);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to register extcon dev\n");
+ return ret;
+ }
+
+ memcpy(&mci->psy_desc, &mt6360_charger_desc, sizeof(mci->psy_desc));
+ mci->psy_desc.name = dev_name(&pdev->dev);
+ charger_cfg.drv_data = mci;
+ charger_cfg.of_node = pdev->dev.of_node;
+ charger_cfg.supplied_to = mt6360_charger_supplied_to;
+ charger_cfg.num_supplicants = ARRAY_SIZE(mt6360_charger_supplied_to);
+ mci->psy = devm_power_supply_register(&pdev->dev,
+ &mci->psy_desc, &charger_cfg);
+ if (IS_ERR(mci->psy)) {
+ dev_err(&pdev->dev, "Failed to register power supply dev\n");
+ return PTR_ERR(mci->psy);
+ }
+
+ ret = mt6360_chg_init_setting(mci);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to initial setting\n");
+ return ret;
+ }
+
+ schedule_work(&mci->chrdet_work);
+
+ ret = mt6360_chg_irq_register(pdev);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to register irqs\n");
+ return ret;
+ }
+
+ config.dev = &pdev->dev;
+ config.regmap = mci->regmap;
+ mci->otg_rdev = devm_regulator_register(&pdev->dev, &mt6360_otg_rdesc,
+ &config);
+ if (IS_ERR(mci->otg_rdev))
+ return PTR_ERR(mci->otg_rdev);
+
+ ret = mt6360_sysfs_create_group(mci);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "%s: create sysfs attrs fail\n", __func__);
+ return ret;
+ }
+
+ return 0;
+}
+
+static const struct of_device_id __maybe_unused mt6360_charger_of_id[] = {
+ { .compatible = "mediatek,mt6360-chg", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, mt6360_charger_of_id);
+
+static const struct platform_device_id mt6360_charger_id[] = {
+ { "mt6360-chg", 0 },
+ {},
+};
+MODULE_DEVICE_TABLE(platform, mt6360_charger_id);
+
+static struct platform_driver mt6360_charger_driver = {
+ .driver = {
+ .name = "mt6360-chg",
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(mt6360_charger_of_id),
+ },
+ .probe = mt6360_charger_probe,
+ .id_table = mt6360_charger_id,
+};
+module_platform_driver(mt6360_charger_driver);
+
+MODULE_AUTHOR("CY_Huang <cy_huang@richtek.com>");
+MODULE_DESCRIPTION("MT6360 Charger Driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION("1.0.0");
--
2.7.4