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 128 129 void twl6030_init_battery_charging(void); 130 void twl6030_usb_device_settings(void); 131 void twl6030_start_usb_charging(void); 132 void twl6030_stop_usb_charging(void); 133 int twl6030_get_battery_voltage(void); 134 int twl6030_get_battery_current(void); 135 void twl6030_power_mmc_init(void); 136