xref: /OK3568_Linux_fs/kernel/include/linux/power/twl4030_madc_battery.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Dumb driver for LiIon batteries using TWL4030 madc.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright 2013 Golden Delicious Computers
6*4882a593Smuzhiyun  * Nikolaus Schaller <hns@goldelico.com>
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #ifndef __TWL4030_MADC_BATTERY_H
10*4882a593Smuzhiyun #define __TWL4030_MADC_BATTERY_H
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun /*
13*4882a593Smuzhiyun  * Usually we can assume 100% @ 4.15V and 0% @ 3.3V but curves differ for
14*4882a593Smuzhiyun  * charging and discharging!
15*4882a593Smuzhiyun  */
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun struct twl4030_madc_bat_calibration {
18*4882a593Smuzhiyun 	short voltage;	/* in mV - specify -1 for end of list */
19*4882a593Smuzhiyun 	short level;	/* in percent (0 .. 100%) */
20*4882a593Smuzhiyun };
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun struct twl4030_madc_bat_platform_data {
23*4882a593Smuzhiyun 	unsigned int capacity;	/* total capacity in uAh */
24*4882a593Smuzhiyun 	struct twl4030_madc_bat_calibration *charging;
25*4882a593Smuzhiyun 	int charging_size;
26*4882a593Smuzhiyun 	struct twl4030_madc_bat_calibration *discharging;
27*4882a593Smuzhiyun 	int discharging_size;
28*4882a593Smuzhiyun };
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun #endif
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