xref: /openbmc/u-boot/include/palmas.h (revision 07eb5f9c)
1 /*
2  * (C) Copyright 2012-2013
3  * Texas Instruments, <www.ti.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 #ifndef PALMAS_H
24 #define PALMAS_H
25 
26 #include <common.h>
27 #include <i2c.h>
28 
29 /* I2C chip addresses */
30 #define PALMAS_CHIP_ADDR	0x48
31 
32 /* 0x1XY translates to page 1, register address 0xXY */
33 #define LDO9_CTRL		0x60
34 #define LDO9_VOLTAGE		0x61
35 
36 /* Bit field definitions for LDOx_CTRL */
37 #define LDO_ON			(1 << 4)
38 #define LDO_MODE_SLEEP		(1 << 2)
39 #define LDO_MODE_ACTIVE		(1 << 0)
40 
41 /*
42  * Functions to read and write from TPS659038/TWL6035/TWL6037
43  * or other Palmas family of TI PMICs
44  */
45 static inline int palmas_i2c_write_u8(u8 chip_no, u8 reg, u8 val)
46 {
47 	return i2c_write(chip_no, reg, 1, &val, 1);
48 }
49 
50 static inline int palmas_i2c_read_u8(u8 chip_no, u8 reg, u8 *val)
51 {
52 	return i2c_read(chip_no, reg, 1, val, 1);
53 }
54 
55 void palmas_init_settings(void);
56 int palmas_mmc1_poweron_ldo(void);
57 
58 #endif /* PALMAS_H */
59