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/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * (C) Copyright 2012-2013
 * Texas Instruments, <www.ti.com>
 */
#ifndef PALMAS_H
#define PALMAS_H

#include <common.h>
#include <i2c.h>

/* I2C chip addresses, TW6035/37 */
#define TWL603X_CHIP_P1		0x48	/* Page 1 */
#define TWL603X_CHIP_P2		0x49	/* Page 2 */
#define TWL603X_CHIP_P3		0x4a	/* Page 3 */

/* TPS659038/39 */
#define TPS65903X_CHIP_P1	0x58	/* Page 1 */

/* Page 1 registers (0x1XY translates to page 1, reg addr 0xXY): */

/* LDO1 control/voltage */
#define LDO1_CTRL		0x50
#define LDO1_VOLTAGE		0x51

/* LDO1 control/voltage for LP873x */
#define LP873X_LDO1_ADDR	0x60
#define LP873X_LDO1_CTRL	0x9
#define LP873X_LDO1_VOLTAGE	0xa
#define LP873X_LDO_VOLT_3V0	0x19
#define LP873X_LDO_VOLT_1V8	0xa
#define LP873X_LDO_CTRL_EN	(0x1 << 0)
#define LP873X_LDO_CTRL_EN_PINCTRL	(0x1 << 1)
#define LP873X_LDO_CTRL_RDIS_EN	(0x1 << 2)

/* LDO2 control/voltage */
#define LDO2_CTRL		0x52
#define LDO2_VOLTAGE		0x53

/* LDO2 control/voltage */
#define LDO4_CTRL		0x5e
#define LDO4_VOLTAGE		0x5f

/* LDO9 control/voltage */
#define LDO9_CTRL		0x60
#define LDO9_VOLTAGE		0x61

/* LDOUSB control/voltage */
#define LDOUSB_CTRL		0x64
#define LDOUSB_VOLTAGE		0x65
#define LDO_CTRL		0x6a

/* Control of 32 kHz audio clock */
#define CLK32KGAUDIO_CTRL	0xd5

/* SYSEN2_CTRL for VCC_3v3_AUX supply on the sEVM */
#define SYSEN2_CTRL		0xd9

/*
 * Bit field definitions for LDOx_CTRL, SYSENx_CTRL
 * and some other xxx_CTRL resources:
 */
#define LDO9_BYP_EN		(1 << 6)	/* LDO9 only! */
#define RSC_STAT_ON		(1 << 4)	/* RO status bit! */
#define RSC_MODE_SLEEP		(1 << 2)
#define RSC_MODE_ACTIVE		(1 << 0)

/* Some LDO voltage values */
#define LDO_VOLT_OFF		0
#define LDO_VOLT_1V8		0x13
#define LDO_VOLT_3V0		0x2b
#define LDO_VOLT_3V3		0x31
/* Request bypass, LDO9 only */
#define LDO9_BYPASS		0x3f

/* SMPS7_CTRL */
#define SMPS7_CTRL		0x30

/* SMPS9_CTRL */
#define SMPS9_CTRL		0x38
#define SMPS9_VOLTAGE		0x3b

/* SMPS10_CTRL */
#define SMPS10_CTRL		0x3c
#define SMPS10_MODE_ACTIVE_D	0x0d

/* Bit field definitions for SMPSx_CTRL */
#define SMPS_MODE_ACT_AUTO	1
#define SMPS_MODE_ACT_ECO	2
#define SMPS_MODE_ACT_FPWM	3
#define SMPS_MODE_SLP_AUTO	(1 << 2)
#define SMPS_MODE_SLP_ECO	(2 << 2)
#define SMPS_MODE_SLP_FPWM	(3 << 2)

/*
 * Some popular SMPS voltages, all with RANGE=1; note
 * that RANGE cannot be changed on the fly
 */
#define SMPS_VOLT_OFF		0
#define SMPS_VOLT_1V2		0x90
#define SMPS_VOLT_1V8		0xae
#define SMPS_VOLT_2V1		0xbd
#define SMPS_VOLT_3V0		0xea
#define SMPS_VOLT_3V3		0xf9

/* Backup Battery & VRTC Control */
#define BB_VRTC_CTRL		0xa8
/* Bit definitions for BB_VRTC_CTRL */
#define VRTC_EN_SLP		(1 << 6)
#define VRTC_EN_OFF		(1 << 5)
#define VRTC_PWEN		(1 << 4)
#define BB_LOW_ICHRG		(1 << 3)
#define BB_HIGH_ICHRG		(0 << 3)
#define BB_VSEL_3V0		(0 << 1)
#define BB_VSEL_2V5		(1 << 1)
#define BB_VSEL_3V15		(2 << 1)
#define BB_VSEL_VBAT		(3 << 1)
#define BB_CHRG_EN		(1 << 0)

#if !CONFIG_IS_ENABLED(DM_I2C)
/*
 * Functions to read and write from TPS659038/TWL6035/TWL6037
 * or other Palmas family of TI PMICs
 */
static inline int palmas_i2c_write_u8(u8 chip_no, u8 reg, u8 val)
{
	return i2c_write(chip_no, reg, 1, &val, 1);
}

static inline int palmas_i2c_read_u8(u8 chip_no, u8 reg, u8 *val)
{
	return i2c_read(chip_no, reg, 1, val, 1);
}
#else
int palmas_i2c_write_u8(u8 chip_no, u8 reg, u8 val);
int palmas_i2c_read_u8(u8 chip_no, u8 reg, u8 *val);
#endif

void palmas_init_settings(void);
int palmas_mmc1_poweron_ldo(uint ldo_volt, uint ldo_ctrl, uint voltage);
int lp873x_mmc1_poweron_ldo(uint voltage);
int twl603x_mmc1_set_ldo9(u8 vsel);
int twl603x_audio_power(u8 on);
int twl603x_enable_bb_charge(u8 bb_fields);
int palmas_enable_ss_ldo(void);

#endif /* PALMAS_H */