linux/drivers/power/supply/sc2731_charger.c

// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2018 Spreadtrum Communications Inc.

#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/power_supply.h>
#include <linux/usb/phy.h>
#include <linux/regmap.h>
#include <linux/notifier.h>
#include <linux/of.h>

/* PMIC global registers definition */
#define SC2731_CHARGE_STATUS …
#define SC2731_CHARGE_FULL …
#define SC2731_MODULE_EN1 …
#define SC2731_CHARGE_EN …

/* SC2731 switch charger registers definition */
#define SC2731_CHG_CFG0 …
#define SC2731_CHG_CFG1 …
#define SC2731_CHG_CFG2 …
#define SC2731_CHG_CFG3 …
#define SC2731_CHG_CFG4 …
#define SC2731_CHG_CFG5 …

/* SC2731_CHG_CFG0 register definition */
#define SC2731_PRECHG_RNG_SHIFT …
#define SC2731_PRECHG_RNG_MASK …

#define SC2731_TERMINATION_VOL_MASK …
#define SC2731_TERMINATION_VOL_SHIFT …
#define SC2731_TERMINATION_VOL_CAL_MASK …
#define SC2731_TERMINATION_VOL_CAL_SHIFT …
#define SC2731_TERMINATION_CUR_MASK …

#define SC2731_CC_EN …
#define SC2731_CHARGER_PD …

/* SC2731_CHG_CFG1 register definition */
#define SC2731_CUR_MASK …

/* SC2731_CHG_CFG5 register definition */
#define SC2731_CUR_LIMIT_SHIFT …
#define SC2731_CUR_LIMIT_MASK …

/* Default current definition (unit is mA) */
#define SC2731_CURRENT_LIMIT_100 …
#define SC2731_CURRENT_LIMIT_500 …
#define SC2731_CURRENT_LIMIT_900 …
#define SC2731_CURRENT_LIMIT_2000 …
#define SC2731_CURRENT_PRECHG …
#define SC2731_CURRENT_STEP …

struct sc2731_charger_info { … };

static void sc2731_charger_stop_charge(struct sc2731_charger_info *info)
{ … }

static int sc2731_charger_start_charge(struct sc2731_charger_info *info)
{ … }

static int sc2731_charger_set_current_limit(struct sc2731_charger_info *info,
					    u32 limit)
{ … }

static int sc2731_charger_set_current(struct sc2731_charger_info *info, u32 cur)
{ … }

static int sc2731_charger_get_status(struct sc2731_charger_info *info)
{ … }

static int sc2731_charger_get_current(struct sc2731_charger_info *info,
				      u32 *cur)
{ … }

static int sc2731_charger_get_current_limit(struct sc2731_charger_info *info,
					    u32 *cur)
{ … }

static int
sc2731_charger_usb_set_property(struct power_supply *psy,
				enum power_supply_property psp,
				const union power_supply_propval *val)
{ … }

static int sc2731_charger_usb_get_property(struct power_supply *psy,
					   enum power_supply_property psp,
					   union power_supply_propval *val)
{ … }

static int sc2731_charger_property_is_writeable(struct power_supply *psy,
						enum power_supply_property psp)
{ … }

static enum power_supply_property sc2731_usb_props[] = …;

static const struct power_supply_desc sc2731_charger_desc = …;

static void sc2731_charger_work(struct work_struct *data)
{ … }

static int sc2731_charger_usb_change(struct notifier_block *nb,
				     unsigned long limit, void *data)
{ … }

static int sc2731_charger_hw_init(struct sc2731_charger_info *info)
{ … }

static void sc2731_charger_detect_status(struct sc2731_charger_info *info)
{ … }

static int sc2731_charger_probe(struct platform_device *pdev)
{ … }

static void sc2731_charger_remove(struct platform_device *pdev)
{ … }

static const struct of_device_id sc2731_charger_of_match[] = …;
MODULE_DEVICE_TABLE(of, sc2731_charger_of_match);

static struct platform_driver sc2731_charger_driver = …;

module_platform_driver(…) …;

MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;