1 /* SPDX-License-Identifier: GPL-2.0-or-later * 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* 2 /*
3 * bq2415x charger driver 3 * bq2415x charger driver
4 * 4 *
5 * Copyright (C) 2011-2013 Pali Rohár <pali@ 5 * Copyright (C) 2011-2013 Pali Rohár <pali@kernel.org>
6 */ 6 */
7 7
8 #ifndef BQ2415X_CHARGER_H 8 #ifndef BQ2415X_CHARGER_H
9 #define BQ2415X_CHARGER_H 9 #define BQ2415X_CHARGER_H
10 10
11 /* 11 /*
12 * This is platform data for bq2415x chip. It 12 * This is platform data for bq2415x chip. It contains default board
13 * voltages and currents which can be also lat 13 * voltages and currents which can be also later configured via sysfs. If
14 * value is -1 then default chip value (specif 14 * value is -1 then default chip value (specified in datasheet) will be
15 * used. 15 * used.
16 * 16 *
17 * Value resistor_sense is needed for configur 17 * Value resistor_sense is needed for configuring charge and
18 * termination current. If it is less or equal 18 * termination current. If it is less or equal to zero, configuring charge
19 * and termination current will not be possibl 19 * and termination current will not be possible.
20 * 20 *
21 * For automode support is needed to provide n 21 * For automode support is needed to provide name of power supply device
22 * in value notify_device. Device driver must 22 * in value notify_device. Device driver must immediately report property
23 * POWER_SUPPLY_PROP_CURRENT_MAX when current 23 * POWER_SUPPLY_PROP_CURRENT_MAX when current changed.
24 */ 24 */
25 25
26 /* Supported modes with maximal current limit 26 /* Supported modes with maximal current limit */
27 enum bq2415x_mode { 27 enum bq2415x_mode {
28 BQ2415X_MODE_OFF, /* off 28 BQ2415X_MODE_OFF, /* offline mode (charger disabled) */
29 BQ2415X_MODE_NONE, /* unk 29 BQ2415X_MODE_NONE, /* unknown charger (100mA) */
30 BQ2415X_MODE_HOST_CHARGER, /* usb 30 BQ2415X_MODE_HOST_CHARGER, /* usb host/hub charger (500mA) */
31 BQ2415X_MODE_DEDICATED_CHARGER, /* ded 31 BQ2415X_MODE_DEDICATED_CHARGER, /* dedicated charger (unlimited) */
32 BQ2415X_MODE_BOOST, /* boo 32 BQ2415X_MODE_BOOST, /* boost mode (charging disabled) */
33 }; 33 };
34 34
35 struct bq2415x_platform_data { 35 struct bq2415x_platform_data {
36 int current_limit; /* mA 36 int current_limit; /* mA */
37 int weak_battery_voltage; /* mV 37 int weak_battery_voltage; /* mV */
38 int battery_regulation_voltage; /* mV 38 int battery_regulation_voltage; /* mV */
39 int charge_current; /* mA 39 int charge_current; /* mA */
40 int termination_current; /* mA 40 int termination_current; /* mA */
41 int resistor_sense; /* m o 41 int resistor_sense; /* m ohm */
42 const char *notify_device; /* nam 42 const char *notify_device; /* name */
43 }; 43 };
44 44
45 #endif 45 #endif
46 46
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