xref: /rk3399_rockchip-uboot/include/palmas.h (revision da2cc4545b7dfcff32eb2bb7feab43e1be9792f6)
1cb199102SNishanth Menon /*
2cb199102SNishanth Menon  * (C) Copyright 2012-2013
3cb199102SNishanth Menon  * Texas Instruments, <www.ti.com>
4cb199102SNishanth Menon  *
5cb199102SNishanth Menon  * See file CREDITS for list of people who contributed to this
6cb199102SNishanth Menon  * project.
7cb199102SNishanth Menon  *
8cb199102SNishanth Menon  * This program is free software; you can redistribute it and/or
9cb199102SNishanth Menon  * modify it under the terms of the GNU General Public License as
10cb199102SNishanth Menon  * published by the Free Software Foundation; either version 2 of
11cb199102SNishanth Menon  * the License, or (at your option) any later version.
12cb199102SNishanth Menon  *
13cb199102SNishanth Menon  * This program is distributed in the hope that it will be useful,
14cb199102SNishanth Menon  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15cb199102SNishanth Menon  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16cb199102SNishanth Menon  * GNU General Public License for more details.
17cb199102SNishanth Menon  *
18cb199102SNishanth Menon  * You should have received a copy of the GNU General Public License
19cb199102SNishanth Menon  * along with this program; if not, write to the Free Software
20cb199102SNishanth Menon  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21cb199102SNishanth Menon  * MA 02111-1307 USA
22cb199102SNishanth Menon  */
23*da2cc454SNishanth Menon #ifndef PALMAS_H
24*da2cc454SNishanth Menon #define PALMAS_H
25cb199102SNishanth Menon 
26cb199102SNishanth Menon #include <common.h>
27cb199102SNishanth Menon #include <i2c.h>
28cb199102SNishanth Menon 
29cb199102SNishanth Menon /* I2C chip addresses */
30cb199102SNishanth Menon #define PALMAS_CHIP_ADDR	0x48
31cb199102SNishanth Menon 
32cb199102SNishanth Menon /* 0x1XY translates to page 1, register address 0xXY */
33cb199102SNishanth Menon #define LDO9_CTRL		0x60
34cb199102SNishanth Menon #define LDO9_VOLTAGE		0x61
35cb199102SNishanth Menon 
36cb199102SNishanth Menon /* Bit field definitions for LDOx_CTRL */
37cb199102SNishanth Menon #define LDO_ON			(1 << 4)
38cb199102SNishanth Menon #define LDO_MODE_SLEEP		(1 << 2)
39cb199102SNishanth Menon #define LDO_MODE_ACTIVE		(1 << 0)
40cb199102SNishanth Menon 
41ff2d57eaSNishanth Menon /*
42ff2d57eaSNishanth Menon  * Functions to read and write from TPS659038/TWL6035/TWL6037
43ff2d57eaSNishanth Menon  * or other Palmas family of TI PMICs
44ff2d57eaSNishanth Menon  */
45ff2d57eaSNishanth Menon static inline int palmas_i2c_write_u8(u8 chip_no, u8 reg, u8 val)
46ff2d57eaSNishanth Menon {
47ff2d57eaSNishanth Menon 	return i2c_write(chip_no, reg, 1, &val, 1);
48ff2d57eaSNishanth Menon }
49ff2d57eaSNishanth Menon 
50ff2d57eaSNishanth Menon static inline int palmas_i2c_read_u8(u8 chip_no, u8 reg, u8 *val)
51ff2d57eaSNishanth Menon {
52ff2d57eaSNishanth Menon 	return i2c_read(chip_no, reg, 1, val, 1);
53ff2d57eaSNishanth Menon }
54ff2d57eaSNishanth Menon 
5512733881SNishanth Menon void palmas_init_settings(void);
56384bcae0SNishanth Menon int palmas_mmc1_poweron_ldo(void);
57*da2cc454SNishanth Menon 
58*da2cc454SNishanth Menon #endif /* PALMAS_H */
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