1/* 2 * (C) Copyright 2010 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 TWL6030_CHIP_PM 0x48 29 30#define TWL6030_CHIP_USB 0x49 31#define TWL6030_CHIP_ADC 0x49 32#define TWL6030_CHIP_CHARGER 0x49 33#define TWL6030_CHIP_PWM 0x49 34 35/* Slave Address 0x48 */ 36#define VMMC_CFG_STATE 0x9A 37#define VMMC_CFG_VOLTATE 0x9B 38#define VUSB_CFG_STATE 0xA2 39 40#define MISC1 0xE4 41#define VAC_MEAS (1 << 2) 42#define VBAT_MEAS (1 << 1) 43#define BB_MEAS (1 << 0) 44 45#define MISC2 0xE5 46 47/* Slave Address 0x49 */ 48 49/* Battery CHARGER REGISTERS */ 50#define CONTROLLER_INT_MASK 0xE0 51#define CONTROLLER_CTRL1 0xE1 52#define CONTROLLER_WDG 0xE2 53#define CONTROLLER_STAT1 0xE3 54#define CHARGERUSB_INT_STATUS 0xE4 55#define CHARGERUSB_INT_MASK 0xE5 56#define CHARGERUSB_STATUS_INT1 0xE6 57#define CHARGERUSB_STATUS_INT2 0xE7 58#define CHARGERUSB_CTRL1 0xE8 59#define CHARGERUSB_CTRL2 0xE9 60#define CHARGERUSB_CTRL3 0xEA 61#define CHARGERUSB_STAT1 0xEB 62#define CHARGERUSB_VOREG 0xEC 63#define CHARGERUSB_VICHRG 0xED 64#define CHARGERUSB_CINLIMIT 0xEE 65#define CHARGERUSB_CTRLLIMIT1 0xEF 66 67/* CHARGERUSB_VICHRG */ 68#define CHARGERUSB_VICHRG_500 0x4 69#define CHARGERUSB_VICHRG_1500 0xE 70/* CHARGERUSB_CINLIMIT */ 71#define CHARGERUSB_CIN_LIMIT_100 0x1 72#define CHARGERUSB_CIN_LIMIT_300 0x5 73#define CHARGERUSB_CIN_LIMIT_500 0x9 74#define CHARGERUSB_CIN_LIMIT_NONE 0xF 75/* CONTROLLER_INT_MASK */ 76#define MVAC_FAULT (1 << 6) 77#define MAC_EOC (1 << 5) 78#define MBAT_REMOVED (1 << 4) 79#define MFAULT_WDG (1 << 3) 80#define MBAT_TEMP (1 << 2) 81#define MVBUS_DET (1 << 1) 82#define MVAC_DET (1 << 0) 83/* CHARGERUSB_INT_MASK */ 84#define MASK_MCURRENT_TERM (1 << 3) 85#define MASK_MCHARGERUSB_STAT (1 << 2) 86#define MASK_MCHARGERUSB_THMREG (1 << 1) 87#define MASK_MCHARGERUSB_FAULT (1 << 0) 88/* CHARGERUSB_VOREG */ 89#define CHARGERUSB_VOREG_3P52 0x01 90#define CHARGERUSB_VOREG_4P0 0x19 91#define CHARGERUSB_VOREG_4P2 0x23 92#define CHARGERUSB_VOREG_4P76 0x3F 93/* CHARGERUSB_CTRL1 */ 94#define SUSPEND_BOOT (1 << 7) 95#define OPA_MODE (1 << 6) 96#define HZ_MODE (1 << 5) 97#define TERM (1 << 4) 98/* CHARGERUSB_CTRL2 */ 99#define CHARGERUSB_CTRL2_VITERM_50 (0 << 5) 100#define CHARGERUSB_CTRL2_VITERM_100 (1 << 5) 101#define CHARGERUSB_CTRL2_VITERM_150 (2 << 5) 102#define CHARGERUSB_CTRL2_VITERM_400 (7 << 5) 103/* CONTROLLER_CTRL1 */ 104#define CONTROLLER_CTRL1_EN_CHARGER (1 << 4) 105#define CONTROLLER_CTRL1_SEL_CHARGER (1 << 3) 106/* CONTROLLER_STAT1 */ 107#define CHRG_EXTCHRG_STATZ (1 << 7) 108#define CHRG_DET_N (1 << 5) 109#define VAC_DET (1 << 3) 110#define VBUS_DET (1 << 2) 111 112#define FG_REG_10 0xCA 113#define FG_REG_11 0xCB 114 115#define TOGGLE1 0x90 116#define FGS (1 << 5) 117#define FGR (1 << 4) 118#define GPADCS (1 << 1) 119#define GPADCR (1 << 0) 120 121#define CTRL_P2 0x34 122#define CTRL_P2_SP2 (1 << 2) 123#define CTRL_P2_EOCP2 (1 << 1) 124#define CTRL_P2_BUSY (1 << 0) 125 126#define GPCH0_LSB 0x57 127#define GPCH0_MSB 0x58 128 129void twl6030_init_battery_charging(void); 130void twl6030_usb_device_settings(void); 131void twl6030_start_usb_charging(void); 132void twl6030_stop_usb_charging(void); 133int twl6030_get_battery_voltage(void); 134int twl6030_get_battery_current(void); 135void twl6030_power_mmc_init(void); 136