1 /* 2 * (C) Copyright 2012-2013 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 #ifndef PALMAS_H 24 #define PALMAS_H 25 26 #include <common.h> 27 #include <i2c.h> 28 29 /* I2C chip addresses, TW6035/37 */ 30 #define TWL603X_CHIP_P1 0x48 /* Page 1 */ 31 #define TWL603X_CHIP_P2 0x49 /* Page 2 */ 32 #define TWL603X_CHIP_P3 0x4a /* Page 3 */ 33 34 /* TPS659038/39 */ 35 #define TPS65903X_CHIP_P1 0x58 /* Page 1 */ 36 37 /* Page 1 registers (0x1XY translates to page 1, reg addr 0xXY): */ 38 39 /* LDO1 control/voltage */ 40 #define LDO1_CTRL 0x50 41 #define LDO1_VOLTAGE 0x51 42 43 /* LDO9 control/voltage */ 44 #define LDO9_CTRL 0x60 45 #define LDO9_VOLTAGE 0x61 46 47 /* LDOUSB control/voltage */ 48 #define LDOUSB_CTRL 0x64 49 #define LDOUSB_VOLTAGE 0x65 50 51 /* Control of 32 kHz audio clock */ 52 #define CLK32KGAUDIO_CTRL 0xd5 53 54 /* SYSEN2_CTRL for VCC_3v3_AUX supply on the sEVM */ 55 #define SYSEN2_CTRL 0xd9 56 57 /* 58 * Bit field definitions for LDOx_CTRL, SYSENx_CTRL 59 * and some other xxx_CTRL resources: 60 */ 61 #define LDO9_BYP_EN (1 << 6) /* LDO9 only! */ 62 #define RSC_STAT_ON (1 << 4) /* RO status bit! */ 63 #define RSC_MODE_SLEEP (1 << 2) 64 #define RSC_MODE_ACTIVE (1 << 0) 65 66 /* Some LDO voltage values */ 67 #define LDO_VOLT_OFF 0 68 #define LDO_VOLT_1V8 0x13 69 #define LDO_VOLT_3V0 0x2b 70 #define LDO_VOLT_3V3 0x31 71 /* Request bypass, LDO9 only */ 72 #define LDO9_BYPASS 0x3f 73 74 /* SMPS7_CTRL */ 75 #define SMPS7_CTRL 0x30 76 77 /* SMPS9_CTRL */ 78 #define SMPS9_CTRL 0x38 79 #define SMPS9_VOLTAGE 0x3b 80 81 /* Bit field definitions for SMPSx_CTRL */ 82 #define SMPS_MODE_ACT_AUTO 1 83 #define SMPS_MODE_ACT_ECO 2 84 #define SMPS_MODE_ACT_FPWM 3 85 #define SMPS_MODE_SLP_AUTO (1 << 2) 86 #define SMPS_MODE_SLP_ECO (2 << 2) 87 #define SMPS_MODE_SLP_FPWM (3 << 2) 88 89 /* 90 * Some popular SMPS voltages, all with RANGE=1; note 91 * that RANGE cannot be changed on the fly 92 */ 93 #define SMPS_VOLT_OFF 0 94 #define SMPS_VOLT_1V2 0x90 95 #define SMPS_VOLT_1V8 0xae 96 #define SMPS_VOLT_2V1 0xbd 97 #define SMPS_VOLT_3V0 0xea 98 #define SMPS_VOLT_3V3 0xf9 99 100 /* Backup Battery & VRTC Control */ 101 #define BB_VRTC_CTRL 0xa8 102 /* Bit definitions for BB_VRTC_CTRL */ 103 #define VRTC_EN_SLP (1 << 6) 104 #define VRTC_EN_OFF (1 << 5) 105 #define VRTC_PWEN (1 << 4) 106 #define BB_LOW_ICHRG (1 << 3) 107 #define BB_HIGH_ICHRG (0 << 3) 108 #define BB_VSEL_3V0 (0 << 1) 109 #define BB_VSEL_2V5 (1 << 1) 110 #define BB_VSEL_3V15 (2 << 1) 111 #define BB_VSEL_VBAT (3 << 1) 112 #define BB_CHRG_EN (1 << 0) 113 114 /* 115 * Functions to read and write from TPS659038/TWL6035/TWL6037 116 * or other Palmas family of TI PMICs 117 */ 118 static inline int palmas_i2c_write_u8(u8 chip_no, u8 reg, u8 val) 119 { 120 return i2c_write(chip_no, reg, 1, &val, 1); 121 } 122 123 static inline int palmas_i2c_read_u8(u8 chip_no, u8 reg, u8 *val) 124 { 125 return i2c_read(chip_no, reg, 1, val, 1); 126 } 127 128 void palmas_init_settings(void); 129 int palmas_mmc1_poweron_ldo(void); 130 int twl603x_mmc1_set_ldo9(u8 vsel); 131 int twl603x_audio_power(u8 on); 132 int twl603x_enable_bb_charge(u8 bb_fields); 133 134 #endif /* PALMAS_H */ 135