include/palmas.h

   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
  24 #include <common.h>
  25 #include <i2c.h>
  26
  27 /* I2C chip addresses */
  28 #define PALMAS_CHIP_ADDR        0x48
  29
  30 /* 0x1XY translates to page 1, register address 0xXY */
  31 #define LDO9_CTRL               0x60
  32 #define LDO9_VOLTAGE            0x61
  33
  34 /* Bit field definitions for LDOx_CTRL */
  35 #define LDO_ON                  (1 << 4)
  36 #define LDO_MODE_SLEEP          (1 << 2)
  37 #define LDO_MODE_ACTIVE         (1 << 0)
  38
  39 /*
  40  * Functions to read and write from TPS659038/TWL6035/TWL6037
  41  * or other Palmas family of TI PMICs
  42  */
  43 static inline int palmas_i2c_write_u8(u8 chip_no, u8 reg, u8 val)
  44 {
  45         return i2c_write(chip_no, reg, 1, &val, 1);
  46 }
  47
  48 static inline int palmas_i2c_read_u8(u8 chip_no, u8 reg, u8 *val)
  49 {
  50         return i2c_read(chip_no, reg, 1, val, 1);
  51 }
  52
  53 void palmas_init_settings(void);
  54 int palmas_mmc1_poweron_ldo(void);