xref: /openbmc/u-boot/include/power/max17042_fg.h (revision c9aa831e)
1 /*
2  *  Copyright (C) 2012 Samsung Electronics
3  *  Lukasz Majewski <l.majewski@samsung.com>
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 
24 #ifndef __MAX17042_FG_H_
25 #define __MAX17042_FG_H_
26 
27 /* MAX 17042 registers */
28 enum {
29 	MAX17042_STATUS         = 0x00,
30 	MAX17042_SOCREP         = 0x06,
31 	MAX17042_VCELL          = 0x09,
32 	MAX17042_CURRENT        = 0x0A,
33 	MAX17042_AVG_CURRENT	= 0x0B,
34 	MAX17042_SOCMIX	= 0x0D,
35 	MAX17042_SOCAV		= 0x0E,
36 	MAX17042_DESIGN_CAP	= 0x18,
37 	MAX17042_AVG_VCELL	= 0x19,
38 	MAX17042_CONFIG	= 0x1D,
39 	MAX17042_VERSION	= 0x21,
40 	MAX17042_LEARNCFG       = 0x28,
41 	MAX17042_FILTERCFG	= 0x29,
42 	MAX17042_RELAXCFG	= 0x2A,
43 	MAX17042_MISCCFG	= 0x2B,
44 	MAX17042_CGAIN		= 0x2E,
45 	MAX17042_COFF		= 0x2F,
46 	MAX17042_RCOMP0	= 0x38,
47 	MAX17042_TEMPCO	= 0x39,
48 	MAX17042_FSTAT		= 0x3D,
49 	MAX17042_MLOCKReg1	= 0x62,
50 	MAX17042_MLOCKReg2	= 0x63,
51 	MAX17042_MODEL1         = 0x80,
52 	MAX17042_MODEL2         = 0x90,
53 	MAX17042_MODEL3         = 0xA0,
54 	MAX17042_VFOCV		= 0xFB,
55 	MAX17042_VFSOC		= 0xFF,
56 
57 	FG_NUM_OF_REGS = 0x100,
58 };
59 
60 #define RCOMP0			0x0060
61 #define TempCo			0x1015
62 
63 
64 #define MAX17042_POR (1 << 1)
65 
66 #define MODEL_UNLOCK1		0x0059
67 #define MODEL_UNLOCK2		0x00c4
68 #define MODEL_LOCK1		0x0000
69 #define MODEL_LOCK2		0x0000
70 
71 #define MAX17042_I2C_ADDR	(0x6C >> 1)
72 
73 int power_fg_init(unsigned char bus);
74 #endif /* __MAX17042_FG_H_ */
75