// SPDX-License-Identifier: GPL-2.0 // BQ2515X Battery Charger Driver // Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/ #include <linux/err.h> #include <linux/i2c.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/gpio/consumer.h> #include <linux/power_supply.h> #include <linux/regmap.h> #include <linux/types.h> #define BQ2515X_MANUFACTURER … #define BQ2515X_STAT0 … #define BQ2515X_STAT1 … #define BQ2515X_STAT2 … #define BQ2515X_FLAG0 … #define BQ2515X_FLAG1 … #define BQ2515X_FLAG2 … #define BQ2515X_FLAG3 … #define BQ2515X_MASK0 … #define BQ2515X_MASK1 … #define BQ2515X_MASK2 … #define BQ2515X_MASK3 … #define BQ2515X_VBAT_CTRL … #define BQ2515X_ICHG_CTRL … #define BQ2515X_PCHRGCTRL … #define BQ2515X_TERMCTRL … #define BQ2515X_BUVLO … #define BQ2515X_CHARGERCTRL0 … #define BQ2515X_CHARGERCTRL1 … #define BQ2515X_ILIMCTRL … #define BQ2515X_LDOCTRL … #define BQ2515X_MRCTRL … #define BQ2515X_ICCTRL0 … #define BQ2515X_ICCTRL1 … #define BQ2515X_ICCTRL2 … #define BQ2515X_ADCCTRL0 … #define BQ2515X_ADCCTRL1 … #define BQ2515X_ADC_VBAT_M … #define BQ2515X_ADC_VBAT_L … #define BQ2515X_ADC_TS_M … #define BQ2515X_ADC_TS_L … #define BQ2515X_ADC_ICHG_M … #define BQ2515X_ADC_ICHG_L … #define BQ2515X_ADC_ADCIN_M … #define BQ2515X_ADC_ADCIN_L … #define BQ2515X_ADC_VIN_M … #define BQ2515X_ADC_VIN_L … #define BQ2515X_ADC_PMID_M … #define BQ2515X_ADC_PMID_L … #define BQ2515X_ADC_IIN_M … #define BQ2515X_ADC_IIN_L … #define BQ2515X_ADC_COMP1_M … #define BQ2515X_ADC_COMP1_L … #define BQ2515X_ADC_COMP2_M … #define BQ2515X_ADC_COMP2_L … #define BQ2515X_ADC_COMP3_M … #define BQ2515X_ADC_COMP3_L … #define BQ2515X_ADC_READ_EN … #define BQ2515X_TS_FASTCHGCTRL … #define BQ2515X_TS_COLD … #define BQ2515X_TS_COOL … #define BQ2515X_TS_WARM … #define BQ2515X_TS_HOT … #define BQ2515X_DEVICE_ID … #define BQ2515X_DEFAULT_ICHG_UA … #define BQ25150_DEFAULT_ILIM_UA … #define BQ25155_DEFAULT_ILIM_UA … #define BQ2515X_DEFAULT_VBAT_REG_UV … #define BQ2515X_DEFAULT_IPRECHARGE_UA … #define BQ2515X_DIVISOR … #define BQ2515X_VBAT_BASE_VOLT … #define BQ2515X_VBAT_REG_MAX … #define BQ2515X_VBAT_REG_MIN … #define BQ2515X_VBAT_STEP_UV … #define BQ2515X_UV_FACTOR … #define BQ2515X_VBAT_MULTIPLIER … #define BQ2515X_ICHG_DIVISOR … #define BQ2515X_ICHG_CURR_STEP_THRESH_UA … #define BQ2515X_ICHG_MIN_UA … #define BQ2515X_ICHG_MAX_UA … #define BQ2515X_ICHG_RNG_1B0_UA … #define BQ2515X_ICHG_RNG_1B1_UA … #define BQ2515X_VLOWV_SEL_1B0_UV … #define BQ2515X_VLOWV_SEL_1B1_UV … #define BQ2515X_PRECHRG_ICHRG_RNGE_1875_UA … #define BQ2515X_PRECHRG_ICHRG_RNGE_3750_UA … #define BQ2515X_TWAKE2_MIN_US … #define BQ2515X_TWAKE2_MAX_US … #define BQ2515X_ILIM_150MA … #define BQ2515X_ILIM_MASK … #define BQ2515X_ILIM_MIN … #define BQ2515X_ILIM_MAX … #define BQ2515X_HEALTH_MASK … #define BQ2515X_ICHGRNG_MASK … #define BQ2515X_STAT0_MASK … #define BQ2515X_STAT1_MASK … #define BQ2515X_PRECHARGE_MASK … #define BQ2515X_TS_HOT_STAT … #define BQ2515X_TS_WARM_STAT … #define BQ2515X_TS_COOL_STAT … #define BQ2515X_TS_COLD_STAT … #define BQ2515X_SAFETY_TIMER_EXP … #define BQ2515X_EN_VBAT_READ … #define BQ2515X_EN_ICHG_READ … #define BQ2515X_VIN_GOOD … #define BQ2515X_CHRG_DONE … #define BQ2515X_CV_CHRG_MODE … #define BQ2515X_VIN_OVP_FAULT_STAT … #define BQ2515X_WATCHDOG_DISABLE … #define BQ2515X_ICHARGE_RANGE … #define BQ2515X_VLOWV_SEL … #define BQ2515X_CHARGER_DISABLE … #define BQ2515X_HWRESET_14S_WD … static const int bq2515x_ilim_lvl_values[] = …; /** * struct bq2515x_init_data - * @ilim: input current limit * @ichg: fast charge current * @vbatreg: battery regulation voltage * @iprechg: precharge current */ struct bq2515x_init_data { … }; /** * struct bq2515x_info - * @regmap_config: register map config * @ilim: input current limit */ struct bq2515x_info { … }; /** * struct bq2515x_device - * @mains: mains properties * @battery: battery properties * @regmap: register map structure * @dev: device structure * * @reset_gpio: manual reset (MR) pin * @powerdown_gpio: low power mode pin * @ac_detect_gpio: power good (PG) pin * @ce_gpio: charge enable (CE) pin * * @info: device info * @model_name: string value describing device model * @mains_online: boolean value indicating power supply online * * @init_data: charger initialization data structure */ struct bq2515x_device { … }; static const struct reg_default bq25150_reg_defaults[] = …; static const struct reg_default bq25155_reg_defaults[] = …; static int bq2515x_wake_up(struct bq2515x_device *bq2515x) { … } static int bq2515x_update_ps_status(struct bq2515x_device *bq2515x) { … } static int bq2515x_disable_watchdog_timers(struct bq2515x_device *bq2515x) { … } static int bq2515x_get_battery_voltage_now(struct bq2515x_device *bq2515x) { … } static int bq2515x_get_battery_current_now(struct bq2515x_device *bq2515x) { … } static bool bq2515x_get_charge_disable(struct bq2515x_device *bq2515x) { … } static int bq2515x_set_charge_disable(struct bq2515x_device *bq2515x, int val) { … } static int bq2515x_get_const_charge_current(struct bq2515x_device *bq2515x) { … } static int bq2515x_set_const_charge_current(struct bq2515x_device *bq2515x, int val) { … } static int bq2515x_get_precharge_current(struct bq2515x_device *bq2515x) { … } static int bq2515x_set_precharge_current(struct bq2515x_device *bq2515x, int val) { … } static int bq2515x_charging_status(struct bq2515x_device *bq2515x, union power_supply_propval *val) { … } static int bq2515x_get_batt_reg(struct bq2515x_device *bq2515x) { … } static int bq2515x_set_batt_reg(struct bq2515x_device *bq2515x, int val) { … } static int bq2515x_get_ilim_lvl(struct bq2515x_device *bq2515x) { … } static int bq2515x_set_ilim_lvl(struct bq2515x_device *bq2515x, int val) { … } static int bq2515x_power_supply_property_is_writeable(struct power_supply *psy, enum power_supply_property prop) { … } static int bq2515x_charger_get_health(struct bq2515x_device *bq2515x, union power_supply_propval *val) { … } static int bq2515x_mains_set_property(struct power_supply *psy, enum power_supply_property prop, const union power_supply_propval *val) { … } static int bq2515x_mains_get_property(struct power_supply *psy, enum power_supply_property prop, union power_supply_propval *val) { … } static int bq2515x_battery_get_property(struct power_supply *psy, enum power_supply_property prop, union power_supply_propval *val) { … } static const enum power_supply_property bq2515x_battery_properties[] = …; static const enum power_supply_property bq2515x_mains_properties[] = …; static const struct power_supply_desc bq2515x_mains_desc = …; static const struct power_supply_desc bq2515x_battery_desc = …; static int bq2515x_power_supply_register(struct bq2515x_device *bq2515x, struct device *dev, struct power_supply_config psy_cfg) { … } static int bq2515x_hw_init(struct bq2515x_device *bq2515x) { … } static int bq2515x_read_properties(struct bq2515x_device *bq2515x) { … } static bool bq2515x_volatile_register(struct device *dev, unsigned int reg) { … } static const struct regmap_config bq25150_regmap_config = …; static const struct regmap_config bq25155_regmap_config = …; static int bq2515x_probe(struct i2c_client *client) { … } static const struct bq2515x_info bq25150 = …; static const struct bq2515x_info bq25155 = …; static const struct i2c_device_id bq2515x_i2c_ids[] = …; MODULE_DEVICE_TABLE(i2c, bq2515x_i2c_ids); static const struct of_device_id bq2515x_of_match[] = …; MODULE_DEVICE_TABLE(of, bq2515x_of_match); static struct i2c_driver bq2515x_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
Codebase Browser
linux