2 * bq2415x charger driver
4 * Copyright (C) 2011-2013 Pali Rohár <pali.rohar@gmail.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 #ifndef BQ2415X_CHARGER_H
22 #define BQ2415X_CHARGER_H
25 * This is platform data for bq2415x chip. It contains default board
26 * voltages and currents which can be also later configured via sysfs. If
27 * value is -1 then default chip value (specified in datasheet) will be
30 * Value resistor_sense is needed for for configuring charge and
31 * termination current. It it is less or equal to zero, configuring charge
32 * and termination current will not be possible.
34 * For automode support is needed to provide name of power supply device
35 * in value notify_device. Device driver must immediately report property
36 * POWER_SUPPLY_PROP_CURRENT_MAX when current changed.
39 /* Supported modes with maximal current limit */
41 BQ2415X_MODE_OFF, /* offline mode (charger disabled) */
42 BQ2415X_MODE_NONE, /* unknown charger (100mA) */
43 BQ2415X_MODE_HOST_CHARGER, /* usb host/hub charger (500mA) */
44 BQ2415X_MODE_DEDICATED_CHARGER, /* dedicated charger (unlimited) */
45 BQ2415X_MODE_BOOST, /* boost mode (charging disabled) */
48 struct bq2415x_platform_data {
49 int current_limit; /* mA */
50 int weak_battery_voltage; /* mV */
51 int battery_regulation_voltage; /* mV */
52 int charge_current; /* mA */
53 int termination_current; /* mA */
54 int resistor_sense; /* m ohm */
55 const char *notify_device; /* name */