include/palmas.h

   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 */