1 // SPDX-License-Identifier: GPL-2.0-only
3  * Fuel gauge driver for Richtek RT5033
14 #include <linux/mfd/rt5033-private.h>
28 	ret = power_supply_get_property_from_supplier(battery->psy,  in rt5033_battery_get_status()
42 	regmap_read(battery->regmap, RT5033_FUEL_REG_SOC_H, &msb);  in rt5033_battery_get_capacity()
52 	regmap_read(battery->regmap, RT5033_FUEL_REG_CONFIG_L, &val);  in rt5033_battery_get_present()
79 		return -EINVAL;  in rt5033_battery_get_watt_prop()
82 	regmap_read(battery->regmap, regh, &msb);  in rt5033_battery_get_watt_prop()
83 	regmap_read(battery->regmap, regl, &lsb);  in rt5033_battery_get_watt_prop()
100 		val->intval = rt5033_battery_get_watt_prop(battery->client,  in rt5033_battery_get_property()
104 		val->intval = rt5033_battery_get_present(battery->client);  in rt5033_battery_get_property()
107 		val->intval = rt5033_battery_get_capacity(battery->client);  in rt5033_battery_get_property()
110 		val->intval = rt5033_battery_get_status(battery->client);  in rt5033_battery_get_property()
113 		return -EINVAL;  in rt5033_battery_get_property()
134 	.name		= "rt5033-battery",
143 	struct i2c_adapter *adapter = client->adapter;  in rt5033_battery_probe()
148 		return -EIO;  in rt5033_battery_probe()
150 	battery = devm_kzalloc(&client->dev, sizeof(*battery), GFP_KERNEL);  in rt5033_battery_probe()
152 		return -ENOMEM;  in rt5033_battery_probe()
154 	battery->client = client;  in rt5033_battery_probe()
155 	battery->regmap = devm_regmap_init_i2c(client,  in rt5033_battery_probe()
157 	if (IS_ERR(battery->regmap)) {  in rt5033_battery_probe()
158 		dev_err(&client->dev, "Failed to initialize regmap\n");  in rt5033_battery_probe()
159 		return -EINVAL;  in rt5033_battery_probe()
163 	psy_cfg.of_node = client->dev.of_node;  in rt5033_battery_probe()
166 	battery->psy = devm_power_supply_register(&client->dev,  in rt5033_battery_probe()
169 	if (IS_ERR(battery->psy))  in rt5033_battery_probe()
170 		return dev_err_probe(&client->dev, PTR_ERR(battery->psy),  in rt5033_battery_probe()
177 	{ "rt5033-battery", },
183 	{ .compatible = "richtek,rt5033-battery", },
190 		.name = "rt5033-battery",
198 MODULE_DESCRIPTION("Richtek RT5033 fuel gauge driver");