From da0a00ebc239e852a504abfce2ad98957434ae58 Mon Sep 17 00:00:00 2001 From: Marek Belisko Date: Thu, 29 Aug 2013 11:41:52 +0200 Subject: power: Add twl4030_madc battery driver. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This driver is used and tested on gta04 phone. It's using twl4030_madc (similar to rx51 existing driver). Driver also implement charging and discharging calibration data so user can define ranges and level. Signed-off-by: Marek Belisko Signed-off-by: Lukas Märdian Signed-off-by: Anton Vorontsov --- include/linux/power/twl4030_madc_battery.h | 39 ++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 include/linux/power/twl4030_madc_battery.h (limited to 'include/linux/power') diff --git a/include/linux/power/twl4030_madc_battery.h b/include/linux/power/twl4030_madc_battery.h new file mode 100644 index 000000000000..23110dc77726 --- /dev/null +++ b/include/linux/power/twl4030_madc_battery.h @@ -0,0 +1,39 @@ +/* + * Dumb driver for LiIon batteries using TWL4030 madc. + * + * Copyright 2013 Golden Delicious Computers + * Nikolaus Schaller + * + * 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. + * + * 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., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef __TWL4030_MADC_BATTERY_H +#define __TWL4030_MADC_BATTERY_H + +/* + * Usually we can assume 100% @ 4.15V and 0% @ 3.3V but curves differ for + * charging and discharging! + */ + +struct twl4030_madc_bat_calibration { + short voltage; /* in mV - specify -1 for end of list */ + short level; /* in percent (0 .. 100%) */ +}; + +struct twl4030_madc_bat_platform_data { + unsigned int capacity; /* total capacity in uAh */ + struct twl4030_madc_bat_calibration *charging; + int charging_size; + struct twl4030_madc_bat_calibration *discharging; + int discharging_size; +}; + +#endif -- cgit v1.2.3-59-g8ed1b