regulator: core: Add set_voltage_time op

[linux-2.6/btrfs-unstable.git] / include / linux / mfd / max77620.h

/*
 * Defining registers address and its bit definitions of MAX77620 and MAX20024
 *
 * Copyright (C) 2016 NVIDIA CORPORATION. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 */

#ifndef _MFD_MAX77620_H_
#define _MFD_MAX77620_H_

#include <linux/types.h>

/* GLOBAL, PMIC, GPIO, FPS, ONOFFC, CID Registers */
#define MAX77620_REG_CNFGGLBL1                  0x00
#define MAX77620_REG_CNFGGLBL2                  0x01
#define MAX77620_REG_CNFGGLBL3                  0x02
#define MAX77620_REG_CNFG1_32K                  0x03
#define MAX77620_REG_CNFGBBC                    0x04
#define MAX77620_REG_IRQTOP                     0x05
#define MAX77620_REG_INTLBT                     0x06
#define MAX77620_REG_IRQSD                      0x07
#define MAX77620_REG_IRQ_LVL2_L0_7              0x08
#define MAX77620_REG_IRQ_LVL2_L8                0x09
#define MAX77620_REG_IRQ_LVL2_GPIO              0x0A
#define MAX77620_REG_ONOFFIRQ                   0x0B
#define MAX77620_REG_NVERC                      0x0C
#define MAX77620_REG_IRQTOPM                    0x0D
#define MAX77620_REG_INTENLBT                   0x0E
#define MAX77620_REG_IRQMASKSD                  0x0F
#define MAX77620_REG_IRQ_MSK_L0_7               0x10
#define MAX77620_REG_IRQ_MSK_L8                 0x11
#define MAX77620_REG_ONOFFIRQM                  0x12
#define MAX77620_REG_STATLBT                    0x13
#define MAX77620_REG_STATSD                     0x14
#define MAX77620_REG_ONOFFSTAT                  0x15

/* SD and LDO Registers */
#define MAX77620_REG_SD0                        0x16
#define MAX77620_REG_SD1                        0x17
#define MAX77620_REG_SD2                        0x18
#define MAX77620_REG_SD3                        0x19
#define MAX77620_REG_SD4                        0x1A
#define MAX77620_REG_DVSSD0                     0x1B
#define MAX77620_REG_DVSSD1                     0x1C
#define MAX77620_REG_SD0_CFG                    0x1D
#define MAX77620_REG_SD1_CFG                    0x1E
#define MAX77620_REG_SD2_CFG                    0x1F
#define MAX77620_REG_SD3_CFG                    0x20
#define MAX77620_REG_SD4_CFG                    0x21
#define MAX77620_REG_SD_CFG2                    0x22
#define MAX77620_REG_LDO0_CFG                   0x23
#define MAX77620_REG_LDO0_CFG2                  0x24
#define MAX77620_REG_LDO1_CFG                   0x25
#define MAX77620_REG_LDO1_CFG2                  0x26
#define MAX77620_REG_LDO2_CFG                   0x27
#define MAX77620_REG_LDO2_CFG2                  0x28
#define MAX77620_REG_LDO3_CFG                   0x29
#define MAX77620_REG_LDO3_CFG2                  0x2A
#define MAX77620_REG_LDO4_CFG                   0x2B
#define MAX77620_REG_LDO4_CFG2                  0x2C
#define MAX77620_REG_LDO5_CFG                   0x2D
#define MAX77620_REG_LDO5_CFG2                  0x2E
#define MAX77620_REG_LDO6_CFG                   0x2F
#define MAX77620_REG_LDO6_CFG2                  0x30
#define MAX77620_REG_LDO7_CFG                   0x31
#define MAX77620_REG_LDO7_CFG2                  0x32
#define MAX77620_REG_LDO8_CFG                   0x33
#define MAX77620_REG_LDO8_CFG2                  0x34
#define MAX77620_REG_LDO_CFG3                   0x35

#define MAX77620_LDO_SLEW_RATE_MASK             0x1

/* LDO Configuration 3 */
#define MAX77620_TRACK4_MASK                    BIT(5)
#define MAX77620_TRACK4_SHIFT                   5

/* Voltage */
#define MAX77620_SDX_VOLT_MASK                  0xFF
#define MAX77620_SD0_VOLT_MASK                  0x3F
#define MAX77620_SD1_VOLT_MASK                  0x7F
#define MAX77620_LDO_VOLT_MASK                  0x3F

#define MAX77620_REG_GPIO0                      0x36
#define MAX77620_REG_GPIO1                      0x37
#define MAX77620_REG_GPIO2                      0x38
#define MAX77620_REG_GPIO3                      0x39
#define MAX77620_REG_GPIO4                      0x3A
#define MAX77620_REG_GPIO5                      0x3B
#define MAX77620_REG_GPIO6                      0x3C
#define MAX77620_REG_GPIO7                      0x3D
#define MAX77620_REG_PUE_GPIO                   0x3E
#define MAX77620_REG_PDE_GPIO                   0x3F
#define MAX77620_REG_AME_GPIO                   0x40
#define MAX77620_REG_ONOFFCNFG1                 0x41
#define MAX77620_REG_ONOFFCNFG2                 0x42

/* FPS Registers */
#define MAX77620_REG_FPS_CFG0                   0x43
#define MAX77620_REG_FPS_CFG1                   0x44
#define MAX77620_REG_FPS_CFG2                   0x45
#define MAX77620_REG_FPS_LDO0                   0x46
#define MAX77620_REG_FPS_LDO1                   0x47
#define MAX77620_REG_FPS_LDO2                   0x48
#define MAX77620_REG_FPS_LDO3                   0x49
#define MAX77620_REG_FPS_LDO4                   0x4A
#define MAX77620_REG_FPS_LDO5                   0x4B
#define MAX77620_REG_FPS_LDO6                   0x4C
#define MAX77620_REG_FPS_LDO7                   0x4D
#define MAX77620_REG_FPS_LDO8                   0x4E
#define MAX77620_REG_FPS_SD0                    0x4F
#define MAX77620_REG_FPS_SD1                    0x50
#define MAX77620_REG_FPS_SD2                    0x51
#define MAX77620_REG_FPS_SD3                    0x52
#define MAX77620_REG_FPS_SD4                    0x53
#define MAX77620_REG_FPS_NONE                   0

#define MAX77620_FPS_SRC_MASK                   0xC0
#define MAX77620_FPS_SRC_SHIFT                  6
#define MAX77620_FPS_PU_PERIOD_MASK             0x38
#define MAX77620_FPS_PU_PERIOD_SHIFT            3
#define MAX77620_FPS_PD_PERIOD_MASK             0x07
#define MAX77620_FPS_PD_PERIOD_SHIFT            0
#define MAX77620_FPS_TIME_PERIOD_MASK           0x38
#define MAX77620_FPS_TIME_PERIOD_SHIFT          3
#define MAX77620_FPS_EN_SRC_MASK                0x06
#define MAX77620_FPS_EN_SRC_SHIFT               1
#define MAX77620_FPS_ENFPS_SW_MASK              0x01
#define MAX77620_FPS_ENFPS_SW                   0x01

/* Minimum and maximum FPS period time (in microseconds) are
 * different for MAX77620 and Max20024.
 */
#define MAX77620_FPS_PERIOD_MIN_US              40
#define MAX20024_FPS_PERIOD_MIN_US              20

#define MAX77620_FPS_PERIOD_MAX_US              2560
#define MAX20024_FPS_PERIOD_MAX_US              5120

#define MAX77620_REG_FPS_GPIO1                  0x54
#define MAX77620_REG_FPS_GPIO2                  0x55
#define MAX77620_REG_FPS_GPIO3                  0x56
#define MAX77620_REG_FPS_RSO                    0x57
#define MAX77620_REG_CID0                       0x58
#define MAX77620_REG_CID1                       0x59
#define MAX77620_REG_CID2                       0x5A
#define MAX77620_REG_CID3                       0x5B
#define MAX77620_REG_CID4                       0x5C
#define MAX77620_REG_CID5                       0x5D

#define MAX77620_REG_DVSSD4                     0x5E
#define MAX20024_REG_MAX_ADD                    0x70

#define MAX77620_CID_DIDM_MASK                  0xF0
#define MAX77620_CID_DIDM_SHIFT                 4

/* CNCG2SD */
#define MAX77620_SD_CNF2_ROVS_EN_SD1            BIT(1)
#define MAX77620_SD_CNF2_ROVS_EN_SD0            BIT(2)

/* Device Identification Metal */
#define MAX77620_CID5_DIDM(n)                   (((n) >> 4) & 0xF)
/* Device Indentification OTP */
#define MAX77620_CID5_DIDO(n)                   ((n) & 0xF)

/* SD CNFG1 */
#define MAX77620_SD_SR_MASK                     0xC0
#define MAX77620_SD_SR_SHIFT                    6
#define MAX77620_SD_POWER_MODE_MASK             0x30
#define MAX77620_SD_POWER_MODE_SHIFT            4
#define MAX77620_SD_CFG1_ADE_MASK               BIT(3)
#define MAX77620_SD_CFG1_ADE_DISABLE            0
#define MAX77620_SD_CFG1_ADE_ENABLE             BIT(3)
#define MAX77620_SD_FPWM_MASK                   0x04
#define MAX77620_SD_FPWM_SHIFT                  2
#define MAX77620_SD_FSRADE_MASK                 0x01
#define MAX77620_SD_FSRADE_SHIFT                0
#define MAX77620_SD_CFG1_FPWM_SD_MASK           BIT(2)
#define MAX77620_SD_CFG1_FPWM_SD_SKIP           0
#define MAX77620_SD_CFG1_FPWM_SD_FPWM           BIT(2)
#define MAX77620_SD_CFG1_FSRADE_SD_MASK         BIT(0)
#define MAX77620_SD_CFG1_FSRADE_SD_DISABLE      0
#define MAX77620_SD_CFG1_FSRADE_SD_ENABLE       BIT(0)

/* LDO_CNFG2 */
#define MAX77620_LDO_POWER_MODE_MASK            0xC0
#define MAX77620_LDO_POWER_MODE_SHIFT           6
#define MAX77620_LDO_CFG2_ADE_MASK              BIT(1)
#define MAX77620_LDO_CFG2_ADE_DISABLE           0
#define MAX77620_LDO_CFG2_ADE_ENABLE            BIT(1)
#define MAX77620_LDO_CFG2_SS_MASK               BIT(0)
#define MAX77620_LDO_CFG2_SS_FAST               BIT(0)
#define MAX77620_LDO_CFG2_SS_SLOW               0

#define MAX77620_IRQ_TOP_GLBL_MASK              BIT(7)
#define MAX77620_IRQ_TOP_SD_MASK                BIT(6)
#define MAX77620_IRQ_TOP_LDO_MASK               BIT(5)
#define MAX77620_IRQ_TOP_GPIO_MASK              BIT(4)
#define MAX77620_IRQ_TOP_RTC_MASK               BIT(3)
#define MAX77620_IRQ_TOP_32K_MASK               BIT(2)
#define MAX77620_IRQ_TOP_ONOFF_MASK             BIT(1)

#define MAX77620_IRQ_LBM_MASK                   BIT(3)
#define MAX77620_IRQ_TJALRM1_MASK               BIT(2)
#define MAX77620_IRQ_TJALRM2_MASK               BIT(1)

#define MAX77620_PWR_I2C_ADDR                   0x3c
#define MAX77620_RTC_I2C_ADDR                   0x68

#define MAX77620_CNFG_GPIO_DRV_MASK             BIT(0)
#define MAX77620_CNFG_GPIO_DRV_PUSHPULL         BIT(0)
#define MAX77620_CNFG_GPIO_DRV_OPENDRAIN        0
#define MAX77620_CNFG_GPIO_DIR_MASK             BIT(1)
#define MAX77620_CNFG_GPIO_DIR_INPUT            BIT(1)
#define MAX77620_CNFG_GPIO_DIR_OUTPUT           0
#define MAX77620_CNFG_GPIO_INPUT_VAL_MASK       BIT(2)
#define MAX77620_CNFG_GPIO_OUTPUT_VAL_MASK      BIT(3)
#define MAX77620_CNFG_GPIO_OUTPUT_VAL_HIGH      BIT(3)
#define MAX77620_CNFG_GPIO_OUTPUT_VAL_LOW       0
#define MAX77620_CNFG_GPIO_INT_MASK             (0x3 << 4)
#define MAX77620_CNFG_GPIO_INT_FALLING          BIT(4)
#define MAX77620_CNFG_GPIO_INT_RISING           BIT(5)
#define MAX77620_CNFG_GPIO_DBNC_MASK            (0x3 << 6)
#define MAX77620_CNFG_GPIO_DBNC_None            (0x0 << 6)
#define MAX77620_CNFG_GPIO_DBNC_8ms             (0x1 << 6)
#define MAX77620_CNFG_GPIO_DBNC_16ms            (0x2 << 6)
#define MAX77620_CNFG_GPIO_DBNC_32ms            (0x3 << 6)

#define MAX77620_IRQ_LVL2_GPIO_EDGE0            BIT(0)
#define MAX77620_IRQ_LVL2_GPIO_EDGE1            BIT(1)
#define MAX77620_IRQ_LVL2_GPIO_EDGE2            BIT(2)
#define MAX77620_IRQ_LVL2_GPIO_EDGE3            BIT(3)
#define MAX77620_IRQ_LVL2_GPIO_EDGE4            BIT(4)
#define MAX77620_IRQ_LVL2_GPIO_EDGE5            BIT(5)
#define MAX77620_IRQ_LVL2_GPIO_EDGE6            BIT(6)
#define MAX77620_IRQ_LVL2_GPIO_EDGE7            BIT(7)

#define MAX77620_CNFG1_32K_OUT0_EN              BIT(2)

#define MAX77620_ONOFFCNFG1_SFT_RST             BIT(7)
#define MAX77620_ONOFFCNFG1_MRT_MASK            0x38
#define MAX77620_ONOFFCNFG1_MRT_SHIFT           0x3
#define MAX77620_ONOFFCNFG1_SLPEN               BIT(2)
#define MAX77620_ONOFFCNFG1_PWR_OFF             BIT(1)
#define MAX20024_ONOFFCNFG1_CLRSE               0x18

#define MAX77620_ONOFFCNFG2_SFT_RST_WK          BIT(7)
#define MAX77620_ONOFFCNFG2_WD_RST_WK           BIT(6)
#define MAX77620_ONOFFCNFG2_SLP_LPM_MSK         BIT(5)
#define MAX77620_ONOFFCNFG2_WK_ALARM1           BIT(2)
#define MAX77620_ONOFFCNFG2_WK_EN0              BIT(0)

#define MAX77620_GLBLM_MASK                     BIT(0)

#define MAX77620_WDTC_MASK                      0x3
#define MAX77620_WDTOFFC                        BIT(4)
#define MAX77620_WDTSLPC                        BIT(3)
#define MAX77620_WDTEN                          BIT(2)

#define MAX77620_TWD_MASK                       0x3
#define MAX77620_TWD_2s                         0x0
#define MAX77620_TWD_16s                        0x1
#define MAX77620_TWD_64s                        0x2
#define MAX77620_TWD_128s                       0x3

#define MAX77620_CNFGGLBL1_LBDAC_EN             BIT(7)
#define MAX77620_CNFGGLBL1_MPPLD                BIT(6)
#define MAX77620_CNFGGLBL1_LBHYST               (BIT(5) | BIT(4))
#define MAX77620_CNFGGLBL1_LBDAC                0x0E
#define MAX77620_CNFGGLBL1_LBRSTEN              BIT(0)

/* CNFG BBC registers */
#define MAX77620_CNFGBBC_ENABLE                 BIT(0)
#define MAX77620_CNFGBBC_CURRENT_MASK           0x06
#define MAX77620_CNFGBBC_CURRENT_SHIFT          1
#define MAX77620_CNFGBBC_VOLTAGE_MASK           0x18
#define MAX77620_CNFGBBC_VOLTAGE_SHIFT          3
#define MAX77620_CNFGBBC_LOW_CURRENT_DISABLE    BIT(5)
#define MAX77620_CNFGBBC_RESISTOR_MASK          0xC0
#define MAX77620_CNFGBBC_RESISTOR_SHIFT         6

#define MAX77620_FPS_COUNT                      3

/* Interrupts */
enum {
        MAX77620_IRQ_TOP_GLBL,          /* Low-Battery */
        MAX77620_IRQ_TOP_SD,            /* SD power fail */
        MAX77620_IRQ_TOP_LDO,           /* LDO power fail */
        MAX77620_IRQ_TOP_GPIO,          /* TOP GPIO internal int to MAX77620 */
        MAX77620_IRQ_TOP_RTC,           /* RTC */
        MAX77620_IRQ_TOP_32K,           /* 32kHz oscillator */
        MAX77620_IRQ_TOP_ONOFF,         /* ON/OFF oscillator */
        MAX77620_IRQ_LBT_MBATLOW,       /* Thermal alarm status, > 120C */
        MAX77620_IRQ_LBT_TJALRM1,       /* Thermal alarm status, > 120C */
        MAX77620_IRQ_LBT_TJALRM2,       /* Thermal alarm status, > 140C */
};

/* GPIOs */
enum {
        MAX77620_GPIO0,
        MAX77620_GPIO1,
        MAX77620_GPIO2,
        MAX77620_GPIO3,
        MAX77620_GPIO4,
        MAX77620_GPIO5,
        MAX77620_GPIO6,
        MAX77620_GPIO7,
        MAX77620_GPIO_NR,
};

/* FPS Source */
enum max77620_fps_src {
        MAX77620_FPS_SRC_0,
        MAX77620_FPS_SRC_1,
        MAX77620_FPS_SRC_2,
        MAX77620_FPS_SRC_NONE,
        MAX77620_FPS_SRC_DEF,
};

enum max77620_chip_id {
        MAX77620,
        MAX20024,
};

struct max77620_chip {
        struct device *dev;
        struct regmap *rmap;

        int chip_irq;
        int irq_base;

        /* chip id */
        enum max77620_chip_id chip_id;

        bool sleep_enable;
        bool enable_global_lpm;
        int shutdown_fps_period[MAX77620_FPS_COUNT];
        int suspend_fps_period[MAX77620_FPS_COUNT];

        struct regmap_irq_chip_data *top_irq_data;
        struct regmap_irq_chip_data *gpio_irq_data;
};

#endif /* _MFD_MAX77620_H_ */