14fa2dd00f
Config VMMC voltage to 3V for MMC/SD card slot and PBIAS settings needed for OMAP4 Fixes MMC/SD detection on boot from eMMC. Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Aneesh V <aneesh@ti.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
136 lines
3.8 KiB
C
136 lines
3.8 KiB
C
/*
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* (C) Copyright 2010
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* Texas Instruments, <www.ti.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <i2c.h>
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/* I2C chip addresses */
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#define TWL6030_CHIP_PM 0x48
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#define TWL6030_CHIP_USB 0x49
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#define TWL6030_CHIP_ADC 0x49
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#define TWL6030_CHIP_CHARGER 0x49
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#define TWL6030_CHIP_PWM 0x49
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/* Slave Address 0x48 */
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#define VMMC_CFG_STATE 0x9A
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#define VMMC_CFG_VOLTATE 0x9B
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#define VUSB_CFG_STATE 0xA2
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#define MISC1 0xE4
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#define VAC_MEAS (1 << 2)
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#define VBAT_MEAS (1 << 1)
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#define BB_MEAS (1 << 0)
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#define MISC2 0xE5
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/* Slave Address 0x49 */
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/* Battery CHARGER REGISTERS */
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#define CONTROLLER_INT_MASK 0xE0
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#define CONTROLLER_CTRL1 0xE1
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#define CONTROLLER_WDG 0xE2
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#define CONTROLLER_STAT1 0xE3
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#define CHARGERUSB_INT_STATUS 0xE4
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#define CHARGERUSB_INT_MASK 0xE5
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#define CHARGERUSB_STATUS_INT1 0xE6
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#define CHARGERUSB_STATUS_INT2 0xE7
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#define CHARGERUSB_CTRL1 0xE8
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#define CHARGERUSB_CTRL2 0xE9
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#define CHARGERUSB_CTRL3 0xEA
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#define CHARGERUSB_STAT1 0xEB
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#define CHARGERUSB_VOREG 0xEC
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#define CHARGERUSB_VICHRG 0xED
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#define CHARGERUSB_CINLIMIT 0xEE
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#define CHARGERUSB_CTRLLIMIT1 0xEF
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/* CHARGERUSB_VICHRG */
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#define CHARGERUSB_VICHRG_500 0x4
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#define CHARGERUSB_VICHRG_1500 0xE
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/* CHARGERUSB_CINLIMIT */
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#define CHARGERUSB_CIN_LIMIT_100 0x1
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#define CHARGERUSB_CIN_LIMIT_300 0x5
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#define CHARGERUSB_CIN_LIMIT_500 0x9
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#define CHARGERUSB_CIN_LIMIT_NONE 0xF
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/* CONTROLLER_INT_MASK */
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#define MVAC_FAULT (1 << 6)
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#define MAC_EOC (1 << 5)
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#define MBAT_REMOVED (1 << 4)
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#define MFAULT_WDG (1 << 3)
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#define MBAT_TEMP (1 << 2)
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#define MVBUS_DET (1 << 1)
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#define MVAC_DET (1 << 0)
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/* CHARGERUSB_INT_MASK */
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#define MASK_MCURRENT_TERM (1 << 3)
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#define MASK_MCHARGERUSB_STAT (1 << 2)
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#define MASK_MCHARGERUSB_THMREG (1 << 1)
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#define MASK_MCHARGERUSB_FAULT (1 << 0)
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/* CHARGERUSB_VOREG */
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#define CHARGERUSB_VOREG_3P52 0x01
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#define CHARGERUSB_VOREG_4P0 0x19
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#define CHARGERUSB_VOREG_4P2 0x23
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#define CHARGERUSB_VOREG_4P76 0x3F
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/* CHARGERUSB_CTRL1 */
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#define SUSPEND_BOOT (1 << 7)
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#define OPA_MODE (1 << 6)
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#define HZ_MODE (1 << 5)
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#define TERM (1 << 4)
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/* CHARGERUSB_CTRL2 */
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#define CHARGERUSB_CTRL2_VITERM_50 (0 << 5)
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#define CHARGERUSB_CTRL2_VITERM_100 (1 << 5)
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#define CHARGERUSB_CTRL2_VITERM_150 (2 << 5)
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#define CHARGERUSB_CTRL2_VITERM_400 (7 << 5)
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/* CONTROLLER_CTRL1 */
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#define CONTROLLER_CTRL1_EN_CHARGER (1 << 4)
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#define CONTROLLER_CTRL1_SEL_CHARGER (1 << 3)
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/* CONTROLLER_STAT1 */
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#define CHRG_EXTCHRG_STATZ (1 << 7)
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#define CHRG_DET_N (1 << 5)
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#define VAC_DET (1 << 3)
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#define VBUS_DET (1 << 2)
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#define FG_REG_10 0xCA
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#define FG_REG_11 0xCB
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#define TOGGLE1 0x90
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#define FGS (1 << 5)
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#define FGR (1 << 4)
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#define GPADCS (1 << 1)
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#define GPADCR (1 << 0)
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#define CTRL_P2 0x34
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#define CTRL_P2_SP2 (1 << 2)
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#define CTRL_P2_EOCP2 (1 << 1)
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#define CTRL_P2_BUSY (1 << 0)
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#define GPCH0_LSB 0x57
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#define GPCH0_MSB 0x58
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void twl6030_init_battery_charging(void);
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void twl6030_usb_device_settings(void);
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void twl6030_start_usb_charging(void);
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void twl6030_stop_usb_charging(void);
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int twl6030_get_battery_voltage(void);
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int twl6030_get_battery_current(void);
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void twl6030_power_mmc_init(void);
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