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      1 /* SPDX-License-Identifier: GPL-2.0+ */
      2 /*
      3  * (C) Copyright 2012-2013
      4  * Texas Instruments, <www.ti.com>
      5  */
      6 #ifndef PALMAS_H
      7 #define PALMAS_H
      8 
      9 #include <common.h>
     10 #include <i2c.h>
     11 
     12 /* I2C chip addresses, TW6035/37 */
     13 #define TWL603X_CHIP_P1		0x48	/* Page 1 */
     14 #define TWL603X_CHIP_P2		0x49	/* Page 2 */
     15 #define TWL603X_CHIP_P3		0x4a	/* Page 3 */
     16 
     17 /* TPS659038/39 */
     18 #define TPS65903X_CHIP_P1	0x58	/* Page 1 */
     19 
     20 /* Page 1 registers (0x1XY translates to page 1, reg addr 0xXY): */
     21 
     22 /* LDO1 control/voltage */
     23 #define LDO1_CTRL		0x50
     24 #define LDO1_VOLTAGE		0x51
     25 
     26 /* LDO1 control/voltage for LP873x */
     27 #define LP873X_LDO1_ADDR	0x60
     28 #define LP873X_LDO1_CTRL	0x9
     29 #define LP873X_LDO1_VOLTAGE	0xa
     30 #define LP873X_LDO_VOLT_3V0	0x19
     31 #define LP873X_LDO_VOLT_1V8	0xa
     32 #define LP873X_LDO_CTRL_EN	(0x1 << 0)
     33 #define LP873X_LDO_CTRL_EN_PINCTRL	(0x1 << 1)
     34 #define LP873X_LDO_CTRL_RDIS_EN	(0x1 << 2)
     35 
     36 /* LDO2 control/voltage */
     37 #define LDO2_CTRL		0x52
     38 #define LDO2_VOLTAGE		0x53
     39 
     40 /* LDO2 control/voltage */
     41 #define LDO4_CTRL		0x5e
     42 #define LDO4_VOLTAGE		0x5f
     43 
     44 /* LDO9 control/voltage */
     45 #define LDO9_CTRL		0x60
     46 #define LDO9_VOLTAGE		0x61
     47 
     48 /* LDOUSB control/voltage */
     49 #define LDOUSB_CTRL		0x64
     50 #define LDOUSB_VOLTAGE		0x65
     51 #define LDO_CTRL		0x6a
     52 
     53 /* Control of 32 kHz audio clock */
     54 #define CLK32KGAUDIO_CTRL	0xd5
     55 
     56 /* SYSEN2_CTRL for VCC_3v3_AUX supply on the sEVM */
     57 #define SYSEN2_CTRL		0xd9
     58 
     59 /*
     60  * Bit field definitions for LDOx_CTRL, SYSENx_CTRL
     61  * and some other xxx_CTRL resources:
     62  */
     63 #define LDO9_BYP_EN		(1 << 6)	/* LDO9 only! */
     64 #define RSC_STAT_ON		(1 << 4)	/* RO status bit! */
     65 #define RSC_MODE_SLEEP		(1 << 2)
     66 #define RSC_MODE_ACTIVE		(1 << 0)
     67 
     68 /* Some LDO voltage values */
     69 #define LDO_VOLT_OFF		0
     70 #define LDO_VOLT_1V8		0x13
     71 #define LDO_VOLT_3V0		0x2b
     72 #define LDO_VOLT_3V3		0x31
     73 /* Request bypass, LDO9 only */
     74 #define LDO9_BYPASS		0x3f
     75 
     76 /* SMPS7_CTRL */
     77 #define SMPS7_CTRL		0x30
     78 
     79 /* SMPS9_CTRL */
     80 #define SMPS9_CTRL		0x38
     81 #define SMPS9_VOLTAGE		0x3b
     82 
     83 /* SMPS10_CTRL */
     84 #define SMPS10_CTRL		0x3c
     85 #define SMPS10_MODE_ACTIVE_D	0x0d
     86 
     87 /* Bit field definitions for SMPSx_CTRL */
     88 #define SMPS_MODE_ACT_AUTO	1
     89 #define SMPS_MODE_ACT_ECO	2
     90 #define SMPS_MODE_ACT_FPWM	3
     91 #define SMPS_MODE_SLP_AUTO	(1 << 2)
     92 #define SMPS_MODE_SLP_ECO	(2 << 2)
     93 #define SMPS_MODE_SLP_FPWM	(3 << 2)
     94 
     95 /*
     96  * Some popular SMPS voltages, all with RANGE=1; note
     97  * that RANGE cannot be changed on the fly
     98  */
     99 #define SMPS_VOLT_OFF		0
    100 #define SMPS_VOLT_1V2		0x90
    101 #define SMPS_VOLT_1V8		0xae
    102 #define SMPS_VOLT_2V1		0xbd
    103 #define SMPS_VOLT_3V0		0xea
    104 #define SMPS_VOLT_3V3		0xf9
    105 
    106 /* Backup Battery & VRTC Control */
    107 #define BB_VRTC_CTRL		0xa8
    108 /* Bit definitions for BB_VRTC_CTRL */
    109 #define VRTC_EN_SLP		(1 << 6)
    110 #define VRTC_EN_OFF		(1 << 5)
    111 #define VRTC_PWEN		(1 << 4)
    112 #define BB_LOW_ICHRG		(1 << 3)
    113 #define BB_HIGH_ICHRG		(0 << 3)
    114 #define BB_VSEL_3V0		(0 << 1)
    115 #define BB_VSEL_2V5		(1 << 1)
    116 #define BB_VSEL_3V15		(2 << 1)
    117 #define BB_VSEL_VBAT		(3 << 1)
    118 #define BB_CHRG_EN		(1 << 0)
    119 
    120 /*
    121  * Functions to read and write from TPS659038/TWL6035/TWL6037
    122  * or other Palmas family of TI PMICs
    123  */
    124 static inline int palmas_i2c_write_u8(u8 chip_no, u8 reg, u8 val)
    125 {
    126 	return i2c_write(chip_no, reg, 1, &val, 1);
    127 }
    128 
    129 static inline int palmas_i2c_read_u8(u8 chip_no, u8 reg, u8 *val)
    130 {
    131 	return i2c_read(chip_no, reg, 1, val, 1);
    132 }
    133 
    134 void palmas_init_settings(void);
    135 int palmas_mmc1_poweron_ldo(uint ldo_volt, uint ldo_ctrl, uint voltage);
    136 int lp873x_mmc1_poweron_ldo(uint voltage);
    137 int twl603x_mmc1_set_ldo9(u8 vsel);
    138 int twl603x_audio_power(u8 on);
    139 int twl603x_enable_bb_charge(u8 bb_fields);
    140 int palmas_enable_ss_ldo(void);
    141 
    142 #endif /* PALMAS_H */
    143