bq2415x_charger.h

 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * bq2415x charger driver
 4 *
 5 * Copyright (C) 2011-2013  Pali Rohár <pali@kernel.org>
 6 */
 7
 8#ifndef BQ2415X_CHARGER_H
 9#define BQ2415X_CHARGER_H
10
11/*
12 * This is platform data for bq2415x chip. It contains default board
13 * voltages and currents which can be also later configured via sysfs. If
14 * value is -1 then default chip value (specified in datasheet) will be
15 * used.
16 *
17 * Value resistor_sense is needed for configuring charge and
18 * termination current. If it is less or equal to zero, configuring charge
19 * and termination current will not be possible.
20 *
21 * For automode support is needed to provide name of power supply device
22 * in value notify_device. Device driver must immediately report property
23 * POWER_SUPPLY_PROP_CURRENT_MAX when current changed.
24 */
25
26/* Supported modes with maximal current limit */
27enum bq2415x_mode {
28	BQ2415X_MODE_OFF,		/* offline mode (charger disabled) */
29	BQ2415X_MODE_NONE,		/* unknown charger (100mA) */
30	BQ2415X_MODE_HOST_CHARGER,	/* usb host/hub charger (500mA) */
31	BQ2415X_MODE_DEDICATED_CHARGER, /* dedicated charger (unlimited) */
32	BQ2415X_MODE_BOOST,		/* boost mode (charging disabled) */
33};
34
35struct bq2415x_platform_data {
36	int current_limit;		/* mA */
37	int weak_battery_voltage;	/* mV */
38	int battery_regulation_voltage;	/* mV */
39	int charge_current;		/* mA */
40	int termination_current;	/* mA */
41	int resistor_sense;		/* m ohm */
42	const char *notify_device;	/* name */
43};
44
45#endif