79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
|
/*
|
||
|
|
* (C) Copyright 2010
|
||
|
|
* 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>
|
||
|
|
#ifdef CONFIG_TWL6030_POWER
|
||
|
|
|
||
|
|
#include <twl6030.h>
|
||
|
|
|
||
|
|
/* Functions to read and write from TWL6030 */
|
||
|
|
static inline int twl6030_i2c_write_u8(u8 chip_no, u8 val, u8 reg)
|
||
|
|
{
|
||
|
|
return i2c_write(chip_no, reg, 1, &val, 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int twl6030_i2c_read_u8(u8 chip_no, u8 *val, u8 reg)
|
||
|
|
{
|
||
|
|
return i2c_read(chip_no, reg, 1, val, 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
void twl6030_start_usb_charging(void)
|
||
|
|
{
|
||
|
|
twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER, CHARGERUSB_VICHRG_1500,
|
||
|
|
CHARGERUSB_VICHRG);
|
||
|
|
twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER, CHARGERUSB_CIN_LIMIT_NONE,
|
||
|
|
CHARGERUSB_CINLIMIT);
|
||
|
|
twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER, MBAT_TEMP,
|
||
|
|
CONTROLLER_INT_MASK);
|
||
|
|
twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER, MASK_MCHARGERUSB_THMREG,
|
||
|
|
CHARGERUSB_INT_MASK);
|
||
|
|
twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER, CHARGERUSB_VOREG_4P0,
|
||
|
|
CHARGERUSB_VOREG);
|
||
|
|
twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER, CHARGERUSB_CTRL2_VITERM_100,
|
||
|
|
CHARGERUSB_CTRL2);
|
||
|
|
/* Enable USB charging */
|
||
|
|
twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER, CONTROLLER_CTRL1_EN_CHARGER,
|
||
|
|
CONTROLLER_CTRL1);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
void twl6030_init_battery_charging(void)
|
||
|
|
{
|
||
|
|
twl6030_start_usb_charging();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
void twl6030_usb_device_settings()
|
||
|
|
{
|
||
|
|
u8 data = 0;
|
||
|
|
|
||
|
|
/* Select APP Group and set state to ON */
|
||
|
|
twl6030_i2c_write_u8(TWL6030_CHIP_PM, 0x21, VUSB_CFG_STATE);
|
||
|
|
|
||
|
|
twl6030_i2c_read_u8(TWL6030_CHIP_PM, &data, MISC2);
|
||
|
|
data |= 0x10;
|
||
|
|
|
||
|
|
/* Select the input supply for VBUS regulator */
|
||
|
|
twl6030_i2c_write_u8(TWL6030_CHIP_PM, data, MISC2);
|
||
|
|
}
|
||
|
|
#endif
|