xref: /linux/include/linux/power/bq2415x_charger.h (revision 4b4193256c8d3bc3a5397b5cd9494c2ad386317d)
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 */
27 enum 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 
35 struct 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
46