// SPDX-License-Identifier: GPL-2.0-only /* * Battery driver for Marvell 88PM860x PMIC * * Copyright (c) 2012 Marvell International Ltd. * Author: Jett Zhou <[email protected]> * Haojian Zhuang <[email protected]> */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/power_supply.h> #include <linux/mfd/88pm860x.h> #include <linux/delay.h> #include <linux/uaccess.h> #include <asm/div64.h> /* bit definitions of Status Query Interface 2 */ #define STATUS2_CHG … /* bit definitions of Reset Out Register */ #define RESET_SW_PD … /* bit definitions of PreReg 1 */ #define PREREG1_90MA … #define PREREG1_180MA … #define PREREG1_450MA … #define PREREG1_540MA … #define PREREG1_1350MA … #define PREREG1_VSYS_4_5V … /* bit definitions of Charger Control 1 Register */ #define CC1_MODE_OFF … #define CC1_MODE_PRECHARGE … #define CC1_MODE_FASTCHARGE … #define CC1_MODE_PULSECHARGE … #define CC1_ITERM_20MA … #define CC1_ITERM_60MA … #define CC1_VFCHG_4_2V … /* bit definitions of Charger Control 2 Register */ #define CC2_ICHG_100MA … #define CC2_ICHG_500MA … #define CC2_ICHG_1000MA … /* bit definitions of Charger Control 3 Register */ #define CC3_180MIN_TIMEOUT … #define CC3_270MIN_TIMEOUT … #define CC3_360MIN_TIMEOUT … #define CC3_DISABLE_TIMEOUT … /* bit definitions of Charger Control 4 Register */ #define CC4_IPRE_40MA … #define CC4_VPCHG_3_2V … #define CC4_IFCHG_MON_EN … #define CC4_BTEMP_MON_EN … /* bit definitions of Charger Control 6 Register */ #define CC6_BAT_OV_EN … #define CC6_BAT_UV_EN … #define CC6_UV_VBAT_SET … /* bit definitions of Charger Control 7 Register */ #define CC7_BAT_REM_EN … #define CC7_IFSM_EN … /* bit definitions of Measurement Enable 1 Register */ #define MEAS1_VBAT … /* bit definitions of Measurement Enable 3 Register */ #define MEAS3_IBAT_EN … #define MEAS3_CC_EN … #define FSM_INIT … #define FSM_DISCHARGE … #define FSM_PRECHARGE … #define FSM_FASTCHARGE … #define PRECHARGE_THRESHOLD … #define POWEROFF_THRESHOLD … #define CHARGE_THRESHOLD … #define DISCHARGE_THRESHOLD … /* over-temperature on PM8606 setting */ #define OVER_TEMP_FLAG … #define OVTEMP_AUTORECOVER … /* over-voltage protect on vchg setting mv */ #define VCHG_NORMAL_LOW … #define VCHG_NORMAL_CHECK … #define VCHG_NORMAL_HIGH … #define VCHG_OVP_LOW … struct pm860x_charger_info { … }; static char *pm860x_supplied_to[] = …; static int measure_vchg(struct pm860x_charger_info *info, int *data) { … } static void set_vchg_threshold(struct pm860x_charger_info *info, int min, int max) { … } static void set_vbatt_threshold(struct pm860x_charger_info *info, int min, int max) { … } static int start_precharge(struct pm860x_charger_info *info) { … } static int start_fastcharge(struct pm860x_charger_info *info) { … } static void stop_charge(struct pm860x_charger_info *info, int vbatt) { … } static void power_off_notification(struct pm860x_charger_info *info) { … } static int set_charging_fsm(struct pm860x_charger_info *info) { … } static irqreturn_t pm860x_charger_handler(int irq, void *data) { … } static irqreturn_t pm860x_temp_handler(int irq, void *data) { … } static irqreturn_t pm860x_exception_handler(int irq, void *data) { … } static irqreturn_t pm860x_done_handler(int irq, void *data) { … } static irqreturn_t pm860x_vbattery_handler(int irq, void *data) { … } static irqreturn_t pm860x_vchg_handler(int irq, void *data) { … } static int pm860x_usb_get_prop(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { … } static enum power_supply_property pm860x_usb_props[] = …; static int pm860x_init_charger(struct pm860x_charger_info *info) { … } static struct pm860x_irq_desc { … } pm860x_irq_descs[] = …; static const struct power_supply_desc pm860x_charger_desc = …; static int pm860x_charger_probe(struct platform_device *pdev) { … } static struct platform_driver pm860x_charger_driver = …; module_platform_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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