tps65217.h

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/*
 * linux/mfd/tps65217.h
 *
 * Functions to access TPS65217 power management chip.
 *
 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation version 2.
 *
 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
 * kind, whether express or implied; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef __LINUX_MFD_TPS65217_H
#define __LINUX_MFD_TPS65217_H

#include <linux/i2c.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>

/* TPS chip id list */
#define TPS65217            0xF0

/* I2C ID for TPS65217 part */
#define TPS65217_I2C_ID         0x24

/* All register addresses */
#define TPS65217_REG_CHIPID     0X00
#define TPS65217_REG_PPATH      0X01
#define TPS65217_REG_INT        0X02
#define TPS65217_REG_CHGCONFIG0     0X03
#define TPS65217_REG_CHGCONFIG1     0X04
#define TPS65217_REG_CHGCONFIG2     0X05
#define TPS65217_REG_CHGCONFIG3     0X06
#define TPS65217_REG_WLEDCTRL1      0X07
#define TPS65217_REG_WLEDCTRL2      0X08
#define TPS65217_REG_MUXCTRL        0X09
#define TPS65217_REG_STATUS     0X0A
#define TPS65217_REG_PASSWORD       0X0B
#define TPS65217_REG_PGOOD      0X0C
#define TPS65217_REG_DEFPG      0X0D
#define TPS65217_REG_DEFDCDC1       0X0E
#define TPS65217_REG_DEFDCDC2       0X0F
#define TPS65217_REG_DEFDCDC3       0X10
#define TPS65217_REG_DEFSLEW        0X11
#define TPS65217_REG_DEFLDO1        0X12
#define TPS65217_REG_DEFLDO2        0X13
#define TPS65217_REG_DEFLS1     0X14
#define TPS65217_REG_DEFLS2     0X15
#define TPS65217_REG_ENABLE     0X16
#define TPS65217_REG_DEFUVLO        0X18
#define TPS65217_REG_SEQ1       0X19
#define TPS65217_REG_SEQ2       0X1A
#define TPS65217_REG_SEQ3       0X1B
#define TPS65217_REG_SEQ4       0X1C
#define TPS65217_REG_SEQ5       0X1D
#define TPS65217_REG_SEQ6       0X1E

/* Register field definitions */
#define TPS65217_CHIPID_CHIP_MASK   0xF0
#define TPS65217_CHIPID_REV_MASK    0x0F

#define TPS65217_PPATH_ACSINK_ENABLE    BIT(7)
#define TPS65217_PPATH_USBSINK_ENABLE   BIT(6)
#define TPS65217_PPATH_AC_PW_ENABLE BIT(5)
#define TPS65217_PPATH_USB_PW_ENABLE    BIT(4)
#define TPS65217_PPATH_AC_CURRENT_MASK  0x0C
#define TPS65217_PPATH_USB_CURRENT_MASK 0x03

#define TPS65217_INT_PBM        BIT(6)
#define TPS65217_INT_ACM        BIT(5)
#define TPS65217_INT_USBM       BIT(4)
#define TPS65217_INT_PBI        BIT(2)
#define TPS65217_INT_ACI        BIT(1)
#define TPS65217_INT_USBI       BIT(0)

#define TPS65217_CHGCONFIG0_TREG    BIT(7)
#define TPS65217_CHGCONFIG0_DPPM    BIT(6)
#define TPS65217_CHGCONFIG0_TSUSP   BIT(5)
#define TPS65217_CHGCONFIG0_TERMI   BIT(4)
#define TPS65217_CHGCONFIG0_ACTIVE  BIT(3)
#define TPS65217_CHGCONFIG0_CHGTOUT BIT(2)
#define TPS65217_CHGCONFIG0_PCHGTOUT    BIT(1)
#define TPS65217_CHGCONFIG0_BATTEMP BIT(0)

#define TPS65217_CHGCONFIG1_TMR_MASK    0xC0
#define TPS65217_CHGCONFIG1_TMR_ENABLE  BIT(5)
#define TPS65217_CHGCONFIG1_NTC_TYPE    BIT(4)
#define TPS65217_CHGCONFIG1_RESET   BIT(3)
#define TPS65217_CHGCONFIG1_TERM    BIT(2)
#define TPS65217_CHGCONFIG1_SUSP    BIT(1)
#define TPS65217_CHGCONFIG1_CHG_EN  BIT(0)

#define TPS65217_CHGCONFIG2_DYNTMR  BIT(7)
#define TPS65217_CHGCONFIG2_VPREGHG BIT(6)
#define TPS65217_CHGCONFIG2_VOREG_MASK  0x30

#define TPS65217_CHGCONFIG3_ICHRG_MASK  0xC0
#define TPS65217_CHGCONFIG3_DPPMTH_MASK 0x30
#define TPS65217_CHGCONFIG2_PCHRGT  BIT(3)
#define TPS65217_CHGCONFIG2_TERMIF  0x06
#define TPS65217_CHGCONFIG2_TRANGE  BIT(0)

#define TPS65217_WLEDCTRL1_ISINK_ENABLE BIT(3)
#define TPS65217_WLEDCTRL1_ISEL     BIT(2)
#define TPS65217_WLEDCTRL1_FDIM_MASK    0x03

#define TPS65217_WLEDCTRL2_DUTY_MASK    0x7F

#define TPS65217_MUXCTRL_MUX_MASK   0x07

#define TPS65217_STATUS_OFF     BIT(7)
#define TPS65217_STATUS_ACPWR       BIT(3)
#define TPS65217_STATUS_USBPWR      BIT(2)
#define TPS65217_STATUS_PB      BIT(0)

#define TPS65217_PASSWORD_REGS_UNLOCK   0x7D

#define TPS65217_PGOOD_LDO3_PG      BIT(6)
#define TPS65217_PGOOD_LDO4_PG      BIT(5)
#define TPS65217_PGOOD_DC1_PG       BIT(4)
#define TPS65217_PGOOD_DC2_PG       BIT(3)
#define TPS65217_PGOOD_DC3_PG       BIT(2)
#define TPS65217_PGOOD_LDO1_PG      BIT(1)
#define TPS65217_PGOOD_LDO2_PG      BIT(0)

#define TPS65217_DEFPG_LDO1PGM      BIT(3)
#define TPS65217_DEFPG_LDO2PGM      BIT(2)
#define TPS65217_DEFPG_PGDLY_MASK   0x03

#define TPS65217_DEFDCDCX_XADJX     BIT(7)
#define TPS65217_DEFDCDCX_DCDC_MASK 0x3F

#define TPS65217_DEFSLEW_GO     BIT(7)
#define TPS65217_DEFSLEW_GODSBL     BIT(6)
#define TPS65217_DEFSLEW_PFM_EN1    BIT(5)
#define TPS65217_DEFSLEW_PFM_EN2    BIT(4)
#define TPS65217_DEFSLEW_PFM_EN3    BIT(3)
#define TPS65217_DEFSLEW_SLEW_MASK  0x07

#define TPS65217_DEFLDO1_LDO1_MASK  0x0F

#define TPS65217_DEFLDO2_TRACK      BIT(6)
#define TPS65217_DEFLDO2_LDO2_MASK  0x3F

#define TPS65217_DEFLDO3_LDO3_EN    BIT(5)
#define TPS65217_DEFLDO3_LDO3_MASK  0x1F

#define TPS65217_DEFLDO4_LDO4_EN    BIT(5)
#define TPS65217_DEFLDO4_LDO4_MASK  0x1F

#define TPS65217_ENABLE_LS1_EN      BIT(6)
#define TPS65217_ENABLE_LS2_EN      BIT(5)
#define TPS65217_ENABLE_DC1_EN      BIT(4)
#define TPS65217_ENABLE_DC2_EN      BIT(3)
#define TPS65217_ENABLE_DC3_EN      BIT(2)
#define TPS65217_ENABLE_LDO1_EN     BIT(1)
#define TPS65217_ENABLE_LDO2_EN     BIT(0)

#define TPS65217_DEFUVLO_UVLOHYS    BIT(2)
#define TPS65217_DEFUVLO_UVLO_MASK  0x03

#define TPS65217_SEQ1_DC1_SEQ_MASK  0xF0
#define TPS65217_SEQ1_DC2_SEQ_MASK  0x0F

#define TPS65217_SEQ2_DC3_SEQ_MASK  0xF0
#define TPS65217_SEQ2_LDO1_SEQ_MASK 0x0F

#define TPS65217_SEQ3_LDO2_SEQ_MASK 0xF0
#define TPS65217_SEQ3_LDO3_SEQ_MASK 0x0F

#define TPS65217_SEQ4_LDO4_SEQ_MASK 0xF0

#define TPS65217_SEQ5_DLY1_MASK     0xC0
#define TPS65217_SEQ5_DLY2_MASK     0x30
#define TPS65217_SEQ5_DLY3_MASK     0x0C
#define TPS65217_SEQ5_DLY4_MASK     0x03

#define TPS65217_SEQ6_DLY5_MASK     0xC0
#define TPS65217_SEQ6_DLY6_MASK     0x30
#define TPS65217_SEQ6_SEQUP     BIT(2)
#define TPS65217_SEQ6_SEQDWN        BIT(1)
#define TPS65217_SEQ6_INSTDWN       BIT(0)

#define TPS65217_MAX_REGISTER       0x1E
#define TPS65217_PROTECT_NONE       0
#define TPS65217_PROTECT_L1     1
#define TPS65217_PROTECT_L2     2


enum tps65217_regulator_id {
    /* DCDC's */
    TPS65217_DCDC_1,
    TPS65217_DCDC_2,
    TPS65217_DCDC_3,
    /* LDOs */
    TPS65217_LDO_1,
    TPS65217_LDO_2,
    TPS65217_LDO_3,
    TPS65217_LDO_4,
};

#define TPS65217_MAX_REG_ID     TPS65217_LDO_4

/* Number of step-down converters available */
#define TPS65217_NUM_DCDC       3
/* Number of LDO voltage regulators available */
#define TPS65217_NUM_LDO        4
/* Number of total regulators available */
#define TPS65217_NUM_REGULATOR      (TPS65217_NUM_DCDC + TPS65217_NUM_LDO)

enum tps65217_bl_isel {
    TPS65217_BL_ISET1 = 1,
    TPS65217_BL_ISET2,
};

enum tps65217_bl_fdim {
    TPS65217_BL_FDIM_100HZ,
    TPS65217_BL_FDIM_200HZ,
    TPS65217_BL_FDIM_500HZ,
    TPS65217_BL_FDIM_1000HZ,
};

struct tps65217_bl_pdata {
    enum tps65217_bl_isel isel;
    enum tps65217_bl_fdim fdim;
};

struct tps65217_board {
    struct regulator_init_data *tps65217_init_data[TPS65217_NUM_REGULATOR];
    struct device_node *of_node[TPS65217_NUM_REGULATOR];
    struct tps65217_bl_pdata *bl_pdata;
};

struct tps_info {
    const char *name;
    int min_uV;
    int max_uV;
    int (*vsel_to_uv)(unsigned int vsel);
    int (*uv_to_vsel)(int uV, unsigned int *vsel);
};

struct tps65217 {
    struct device *dev;
    struct tps65217_board *pdata;
    unsigned int id;
    struct regulator_desc desc[TPS65217_NUM_REGULATOR];
    struct regulator_dev *rdev[TPS65217_NUM_REGULATOR];
    struct tps_info *info[TPS65217_NUM_REGULATOR];
    struct regmap *regmap;
};

static inline struct tps65217 *dev_to_tps65217(struct device *dev)
{
    return dev_get_drvdata(dev);
}

static inline int tps65217_chip_id(struct tps65217 *tps65217)
{
    return tps65217->id;
}

int tps65217_reg_read(struct tps65217 *tps, unsigned int reg,
                    unsigned int *val);
int tps65217_reg_write(struct tps65217 *tps, unsigned int reg,
            unsigned int val, unsigned int level);
int tps65217_set_bits(struct tps65217 *tps, unsigned int reg,
        unsigned int mask, unsigned int val, unsigned int level);
int tps65217_clear_bits(struct tps65217 *tps, unsigned int reg,
        unsigned int mask, unsigned int level);

#endif /*  __LINUX_MFD_TPS65217_H */