// SPDX-License-Identifier: GPL-2.0-only /* * Power supply driver for the Active-semi ACT8945A PMIC * * Copyright (C) 2015 Atmel Corporation * * Author: Wenyou Yang <[email protected]> */ #include <linux/interrupt.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_irq.h> #include <linux/platform_device.h> #include <linux/power_supply.h> #include <linux/regmap.h> #include <linux/gpio/consumer.h> static const char *act8945a_charger_model = …; static const char *act8945a_charger_manufacturer = …; /* * ACT8945A Charger Register Map */ /* 0x70: Reserved */ #define ACT8945A_APCH_CFG … #define ACT8945A_APCH_STATUS … #define ACT8945A_APCH_CTRL … #define ACT8945A_APCH_STATE … /* ACT8945A_APCH_CFG */ #define APCH_CFG_OVPSET … #define APCH_CFG_OVPSET_6V6 … #define APCH_CFG_OVPSET_7V … #define APCH_CFG_OVPSET_7V5 … #define APCH_CFG_OVPSET_8V … #define APCH_CFG_PRETIMO … #define APCH_CFG_PRETIMO_40_MIN … #define APCH_CFG_PRETIMO_60_MIN … #define APCH_CFG_PRETIMO_80_MIN … #define APCH_CFG_PRETIMO_DISABLED … #define APCH_CFG_TOTTIMO … #define APCH_CFG_TOTTIMO_3_HOUR … #define APCH_CFG_TOTTIMO_4_HOUR … #define APCH_CFG_TOTTIMO_5_HOUR … #define APCH_CFG_TOTTIMO_DISABLED … #define APCH_CFG_SUSCHG … #define APCH_STATUS_CHGDAT … #define APCH_STATUS_INDAT … #define APCH_STATUS_TEMPDAT … #define APCH_STATUS_TIMRDAT … #define APCH_STATUS_CHGSTAT … #define APCH_STATUS_INSTAT … #define APCH_STATUS_TEMPSTAT … #define APCH_STATUS_TIMRSTAT … #define APCH_CTRL_CHGEOCOUT … #define APCH_CTRL_INDIS … #define APCH_CTRL_TEMPOUT … #define APCH_CTRL_TIMRPRE … #define APCH_CTRL_CHGEOCIN … #define APCH_CTRL_INCON … #define APCH_CTRL_TEMPIN … #define APCH_CTRL_TIMRTOT … #define APCH_STATE_ACINSTAT … #define APCH_STATE_CSTATE … #define APCH_STATE_CSTATE_SHIFT … #define APCH_STATE_CSTATE_DISABLED … #define APCH_STATE_CSTATE_EOC … #define APCH_STATE_CSTATE_FAST … #define APCH_STATE_CSTATE_PRE … struct act8945a_charger { … }; static int act8945a_get_charger_state(struct regmap *regmap, int *val) { … } static int act8945a_get_charge_type(struct regmap *regmap, int *val) { … } static int act8945a_get_battery_health(struct regmap *regmap, int *val) { … } static int act8945a_get_capacity_level(struct act8945a_charger *charger, struct regmap *regmap, int *val) { … } #define MAX_CURRENT_USB_HIGH … #define MAX_CURRENT_USB_LOW … #define MAX_CURRENT_USB_PRE … /* * Riset(K) = 2336 * (1V/Ichg(mA)) - 0.205 * Riset = 2.43K */ #define MAX_CURRENT_AC_HIGH … #define MAX_CURRENT_AC_LOW … #define MAX_CURRENT_AC_HIGH_PRE … #define MAX_CURRENT_AC_LOW_PRE … static int act8945a_get_current_max(struct act8945a_charger *charger, struct regmap *regmap, int *val) { … } static enum power_supply_property act8945a_charger_props[] = …; static int act8945a_charger_get_property(struct power_supply *psy, enum power_supply_property prop, union power_supply_propval *val) { … } static int act8945a_enable_interrupt(struct act8945a_charger *charger) { … } static unsigned int act8945a_set_supply_type(struct act8945a_charger *charger, unsigned int *type) { … } static void act8945a_work(struct work_struct *work) { … } static irqreturn_t act8945a_status_changed(int irq, void *dev_id) { … } #define DEFAULT_TOTAL_TIME_OUT … #define DEFAULT_PRE_TIME_OUT … #define DEFAULT_INPUT_OVP_THRESHOLD … static int act8945a_charger_config(struct device *dev, struct act8945a_charger *charger) { … } static int act8945a_charger_probe(struct platform_device *pdev) { … } static void act8945a_charger_remove(struct platform_device *pdev) { … } static struct platform_driver act8945a_charger_driver = …; module_platform_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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