// SPDX-License-Identifier: GPL-2.0 // // Copyright (C) 2018 BayLibre SAS // Author: Bartosz Golaszewski <[email protected]> // // Battery charger driver for MAXIM 77650/77651 charger/power-supply. #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/mfd/max77650.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/power_supply.h> #include <linux/regmap.h> #define MAX77650_CHARGER_ENABLED … #define MAX77650_CHARGER_DISABLED … #define MAX77650_CHARGER_CHG_EN_MASK … #define MAX77650_CHG_DETAILS_MASK … #define MAX77650_CHG_DETAILS_BITS(_reg) … /* Charger is OFF. */ #define MAX77650_CHG_OFF … /* Charger is in prequalification mode. */ #define MAX77650_CHG_PREQ … /* Charger is in fast-charge constant current mode. */ #define MAX77650_CHG_ON_CURR … /* Charger is in JEITA modified fast-charge constant-current mode. */ #define MAX77650_CHG_ON_CURR_JEITA … /* Charger is in fast-charge constant-voltage mode. */ #define MAX77650_CHG_ON_VOLT … /* Charger is in JEITA modified fast-charge constant-voltage mode. */ #define MAX77650_CHG_ON_VOLT_JEITA … /* Charger is in top-off mode. */ #define MAX77650_CHG_ON_TOPOFF … /* Charger is in JEITA modified top-off mode. */ #define MAX77650_CHG_ON_TOPOFF_JEITA … /* Charger is done. */ #define MAX77650_CHG_DONE … /* Charger is JEITA modified done. */ #define MAX77650_CHG_DONE_JEITA … /* Charger is suspended due to a prequalification timer fault. */ #define MAX77650_CHG_SUSP_PREQ_TIM_FAULT … /* Charger is suspended due to a fast-charge timer fault. */ #define MAX77650_CHG_SUSP_FAST_CHG_TIM_FAULT … /* Charger is suspended due to a battery temperature fault. */ #define MAX77650_CHG_SUSP_BATT_TEMP_FAULT … #define MAX77650_CHGIN_DETAILS_MASK … #define MAX77650_CHGIN_DETAILS_BITS(_reg) … #define MAX77650_CHGIN_UNDERVOLTAGE_LOCKOUT … #define MAX77650_CHGIN_OVERVOLTAGE_LOCKOUT … #define MAX77650_CHGIN_OKAY … #define MAX77650_CHARGER_CHG_MASK … #define MAX77650_CHARGER_CHG_CHARGING(_reg) … #define MAX77650_CHARGER_VCHGIN_MIN_MASK … #define MAX77650_CHARGER_VCHGIN_MIN_SHIFT(_val) … #define MAX77650_CHARGER_ICHGIN_LIM_MASK … #define MAX77650_CHARGER_ICHGIN_LIM_SHIFT(_val) … struct max77650_charger_data { … }; static enum power_supply_property max77650_charger_properties[] = …; static const unsigned int max77650_charger_vchgin_min_table[] = …; static const unsigned int max77650_charger_ichgin_lim_table[] = …; static int max77650_charger_set_vchgin_min(struct max77650_charger_data *chg, unsigned int val) { … } static int max77650_charger_set_ichgin_lim(struct max77650_charger_data *chg, unsigned int val) { … } static int max77650_charger_enable(struct max77650_charger_data *chg) { … } static void max77650_charger_disable(struct max77650_charger_data *chg) { … } static irqreturn_t max77650_charger_check_status(int irq, void *data) { … } static int max77650_charger_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { … } static const struct power_supply_desc max77650_battery_desc = …; static int max77650_charger_probe(struct platform_device *pdev) { … } static void max77650_charger_remove(struct platform_device *pdev) { … } static const struct of_device_id max77650_charger_of_match[] = …; MODULE_DEVICE_TABLE(of, max77650_charger_of_match); static struct platform_driver max77650_charger_driver = …; module_platform_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …; MODULE_ALIAS(…) …;
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