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/*
* (C) Copyright 2012
* Texas Instruments, <www.ti.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <config.h>
#include <twl6035.h>
/* Functions to read and write from TWL6030 */
int twl6035_i2c_write_u8(u8 chip_no, u8 val, u8 reg)
{
return i2c_write(chip_no, reg, 1, &val, 1);
}
int twl6035_i2c_read_u8(u8 chip_no, u8 *val, u8 reg)
{
return i2c_read(chip_no, reg, 1, val, 1);
}
/* To align with i2c mw/mr address, reg, val command syntax */
static inline int palmas_write_u8(u8 chip_no, u8 reg, u8 val)
{
return i2c_write(chip_no, reg, 1, &val, 1);
}
static inline int palmas_read_u8(u8 chip_no, u8 reg, u8 *val)
{
return i2c_read(chip_no, reg, 1, val, 1);
}
void twl6035_init_settings(void)
{
return;
}
int twl6035_mmc1_poweron_ldo(void)
{
u8 val = 0;
/* set LDO9 TWL6035 to 3V */
val = 0x2b; /* (3 -.9)*28 +1 */
if (palmas_write_u8(0x48, LDO9_VOLTAGE, val)) {
printf("twl6035: could not set LDO9 voltage.\n");
return 1;
}
/* TURN ON LDO9 */
val = LDO_ON | LDO_MODE_SLEEP | LDO_MODE_ACTIVE;
if (palmas_write_u8(0x48, LDO9_CTRL, val)) {
printf("twl6035: could not turn on LDO9.\n");
return 1;
}
return 0;
}
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