1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * bq2415x charger driver
4 *
5 * Copyright (C) 2011-2013 Pali Rohár <pali.rohar@gmail.com>
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 for configuring charge and
18 * termination current. It 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