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