1 /* 2 * bq2415x charger driver 3 * 4 * Copyright (C) 2011-2013 Pali Rohár <pali.rohar@gmail.com> 5 * 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. 10 * 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. 15 * 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. 19 */ 20 21 #ifndef BQ2415X_CHARGER_H 22 #define BQ2415X_CHARGER_H 23 24 /* 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 28 * used. 29 * 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. 33 * 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. 37 */ 38 39 /* Supported modes with maximal current limit */ 40 enum bq2415x_mode { 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) */ 46 }; 47 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 */ 56 }; 57 58 #endif 59