regulator: act8865: Add support for act8600 charger (2d09a79b) · Commits · 戴 / test

drivers/regulator/act8865-regulator.c

+84 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@
		#include <linux/regulator/act8865.h>
		#include <linux/of.h>
		#include <linux/of_device.h>
		#include <linux/power_supply.h>
		#include <linux/regulator/of_regulator.h>
		#include <linux/regmap.h>

		@@ -118,6 +119,11 @@
		#define ACT8600_LDO10_ENA 0x40 /* ON - [6] */
		#define ACT8600_SUDCDC_VSEL_MASK 0xFF /* SUDCDC VSET - [7:0] */

		#define ACT8600_APCH_CHG_ACIN BIT(7)
		#define ACT8600_APCH_CHG_USB BIT(6)
		#define ACT8600_APCH_CSTATE0 BIT(5)
		#define ACT8600_APCH_CSTATE1 BIT(4)

		/*
		* ACT8865 voltage number
		*/
		@@ -372,6 +378,75 @@ static void act8865_power_off(void)
		while (1);
		}

		static int act8600_charger_get_status(struct regmap *map)
		{
		unsigned int val;
		int ret;
		u8 state0, state1;

		ret = regmap_read(map, ACT8600_APCH_STAT, &val);
		if (ret < 0)
		return ret;

		state0 = val & ACT8600_APCH_CSTATE0;
		state1 = val & ACT8600_APCH_CSTATE1;

		if (state0 && !state1)
		return POWER_SUPPLY_STATUS_CHARGING;
		if (!state0 && state1)
		return POWER_SUPPLY_STATUS_NOT_CHARGING;
		if (!state0 && !state1)
		return POWER_SUPPLY_STATUS_DISCHARGING;

		return POWER_SUPPLY_STATUS_UNKNOWN;
		}

		static int act8600_charger_get_property(struct power_supply *psy,
		enum power_supply_property psp, union power_supply_propval *val)
		{
		struct regmap *map = power_supply_get_drvdata(psy);
		int ret;

		switch (psp) {
		case POWER_SUPPLY_PROP_STATUS:
		ret = act8600_charger_get_status(map);
		if (ret < 0)
		return ret;

		val->intval = ret;
		break;
		default:
		return -EINVAL;
		}

		return 0;
		}

		static enum power_supply_property act8600_charger_properties[] = {
		POWER_SUPPLY_PROP_STATUS,
		};

		static const struct power_supply_desc act8600_charger_desc = {
		.name = "act8600-charger",
		.type = POWER_SUPPLY_TYPE_BATTERY,
		.properties = act8600_charger_properties,
		.num_properties = ARRAY_SIZE(act8600_charger_properties),
		.get_property = act8600_charger_get_property,
		};

		static int act8600_charger_probe(struct device dev, struct regmap regmap)
		{
		struct power_supply *charger;
		struct power_supply_config cfg = {
		.drv_data = regmap,
		.of_node = dev->of_node,
		};

		charger = devm_power_supply_register(dev, &act8600_charger_desc, &cfg);

		return IS_ERR(charger) ? PTR_ERR(charger) : 0;
		}

		static int act8865_pmic_probe(struct i2c_client *client,
		const struct i2c_device_id *i2c_id)
		{
		@@ -483,6 +558,15 @@ static int act8865_pmic_probe(struct i2c_client *client,
		}
		}

		if (type == ACT8600) {
		ret = act8600_charger_probe(dev, act8865->regmap);
		if (ret < 0) {
		if (ret != -EPROBE_DEFER)
		dev_err(dev, "Failed to probe charger");
		return ret;
		}
		}

		i2c_set_clientdata(client, act8865);

		return 0;

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