linux/drivers/power/supply/max8997_charger.c

// SPDX-License-Identifier: GPL-2.0+
//
// max8997_charger.c - Power supply consumer driver for the Maxim 8997/8966
//
//  Copyright (C) 2011 Samsung Electronics
//  MyungJoo Ham <[email protected]>

#include <linux/err.h>
#include <linux/extcon.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/platform_device.h>
#include <linux/power_supply.h>
#include <linux/mfd/max8997.h>
#include <linux/mfd/max8997-private.h>
#include <linux/regulator/consumer.h>
#include <linux/devm-helpers.h>

/* MAX8997_REG_STATUS4 */
#define DCINOK_SHIFT …
#define DCINOK_MASK …
#define DETBAT_SHIFT …
#define DETBAT_MASK …

/* MAX8997_REG_MBCCTRL1 */
#define TFCH_SHIFT …
#define TFCH_MASK …

/* MAX8997_REG_MBCCTRL5 */
#define ITOPOFF_SHIFT …
#define ITOPOFF_MASK …

struct charger_data { … };

static enum power_supply_property max8997_battery_props[] = …;

/* Note that the charger control is done by a current regulator "CHARGER" */
static int max8997_battery_get_property(struct power_supply *psy,
		enum power_supply_property psp,
		union power_supply_propval *val)
{ … }

static void max8997_battery_extcon_evt_worker(struct work_struct *work)
{ … }

static int max8997_battery_extcon_evt(struct notifier_block *nb,
				unsigned long event, void *param)
{ … }

static const struct power_supply_desc max8997_battery_desc = …;

static int max8997_battery_probe(struct platform_device *pdev)
{ … }

static const struct platform_device_id max8997_battery_id[] = …;
MODULE_DEVICE_TABLE(platform, max8997_battery_id);

static struct platform_driver max8997_battery_driver = …;
module_platform_driver(…) …;

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