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