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kernel/linux-rt-4.4.41/include/linux/power/bq2415x_charger.h 2.11 KB
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  /*
   * bq2415x charger driver
   *
   * Copyright (C) 2011-2013  Pali Rohár <pali.rohar@gmail.com>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License along
   * with this program; if not, write to the Free Software Foundation, Inc.,
   * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
   */
  
  #ifndef BQ2415X_CHARGER_H
  #define BQ2415X_CHARGER_H
  
  /*
   * This is platform data for bq2415x chip. It contains default board
   * voltages and currents which can be also later configured via sysfs. If
   * value is -1 then default chip value (specified in datasheet) will be
   * used.
   *
   * Value resistor_sense is needed for for configuring charge and
   * termination current. It it is less or equal to zero, configuring charge
   * and termination current will not be possible.
   *
   * For automode support is needed to provide name of power supply device
   * in value notify_device. Device driver must immediately report property
   * POWER_SUPPLY_PROP_CURRENT_MAX when current changed.
   */
  
  /* Supported modes with maximal current limit */
  enum bq2415x_mode {
  	BQ2415X_MODE_OFF,		/* offline mode (charger disabled) */
  	BQ2415X_MODE_NONE,		/* unknown charger (100mA) */
  	BQ2415X_MODE_HOST_CHARGER,	/* usb host/hub charger (500mA) */
  	BQ2415X_MODE_DEDICATED_CHARGER, /* dedicated charger (unlimited) */
  	BQ2415X_MODE_BOOST,		/* boost mode (charging disabled) */
  };
  
  struct bq2415x_platform_data {
  	int current_limit;		/* mA */
  	int weak_battery_voltage;	/* mV */
  	int battery_regulation_voltage;	/* mV */
  	int charge_current;		/* mA */
  	int termination_current;	/* mA */
  	int resistor_sense;		/* m ohm */
  	const char *notify_device;	/* name */
  };
  
  #endif