// SPDX-License-Identifier: GPL-2.0-only /* * Battery driver for Maxim MAX8925 * * Copyright (c) 2009-2010 Marvell International Ltd. * Haojian Zhuang <[email protected]> */ #include <linux/module.h> #include <linux/err.h> #include <linux/slab.h> #include <linux/of.h> #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/power_supply.h> #include <linux/mfd/max8925.h> /* registers in GPM */ #define MAX8925_OUT5VEN … #define MAX8925_OUT3VEN … #define MAX8925_CHG_CNTL1 … /* bits definition */ #define MAX8925_CHG_STAT_VSYSLOW … #define MAX8925_CHG_STAT_MODE_MASK … #define MAX8925_CHG_STAT_EN_MASK … #define MAX8925_CHG_MBDET … #define MAX8925_CHG_AC_RANGE_MASK … /* registers in ADC */ #define MAX8925_ADC_RES_CNFG1 … #define MAX8925_ADC_AVG_CNFG1 … #define MAX8925_ADC_ACQ_CNFG1 … #define MAX8925_ADC_ACQ_CNFG2 … /* 2 bytes registers in below. MSB is 1st, LSB is 2nd. */ #define MAX8925_ADC_AUX2 … #define MAX8925_ADC_VCHG … #define MAX8925_ADC_VBBATT … #define MAX8925_ADC_VMBATT … #define MAX8925_ADC_ISNS … #define MAX8925_ADC_THM … #define MAX8925_ADC_TDIE … #define MAX8925_CMD_AUX2 … #define MAX8925_CMD_VCHG … #define MAX8925_CMD_VBBATT … #define MAX8925_CMD_VMBATT … #define MAX8925_CMD_ISNS … #define MAX8925_CMD_THM … #define MAX8925_CMD_TDIE … enum { … }; struct max8925_power_info { … }; static int __set_charger(struct max8925_power_info *info, int enable) { … } static irqreturn_t max8925_charger_handler(int irq, void *data) { … } static int start_measure(struct max8925_power_info *info, int type) { … } static int max8925_ac_get_prop(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { … } static enum power_supply_property max8925_ac_props[] = …; static int max8925_usb_get_prop(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { … } static enum power_supply_property max8925_usb_props[] = …; static int max8925_bat_get_prop(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { … } static enum power_supply_property max8925_battery_props[] = …; static const struct power_supply_desc ac_desc = …; static const struct power_supply_desc usb_desc = …; static const struct power_supply_desc battery_desc = …; #define REQUEST_IRQ(_irq, _name) … static int max8925_init_charger(struct max8925_chip *chip, struct max8925_power_info *info) { … } static int max8925_deinit_charger(struct max8925_power_info *info) { … } #ifdef CONFIG_OF static struct max8925_power_pdata * max8925_power_dt_init(struct platform_device *pdev) { … } #else static struct max8925_power_pdata * max8925_power_dt_init(struct platform_device *pdev) { return pdev->dev.platform_data; } #endif static int max8925_power_probe(struct platform_device *pdev) { … } static void max8925_power_remove(struct platform_device *pdev) { … } static struct platform_driver max8925_power_driver = …; module_platform_driver(…) …; MODULE_LICENSE(…) …; MODULE_DESCRIPTION(…) …; MODULE_ALIAS(…) …;
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