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0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * linux/mfd/tps65217.h
0004  *
0005  * Functions to access TPS65217 power management chip.
0006  *
0007  * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/
0008  */
0009 
0010 #ifndef __LINUX_MFD_TPS65217_H
0011 #define __LINUX_MFD_TPS65217_H
0012 
0013 #include <linux/i2c.h>
0014 #include <linux/regulator/driver.h>
0015 #include <linux/regulator/machine.h>
0016 
0017 /* TPS chip id list */
0018 #define TPS65217            0xF0
0019 
0020 /* I2C ID for TPS65217 part */
0021 #define TPS65217_I2C_ID         0x24
0022 
0023 /* All register addresses */
0024 #define TPS65217_REG_CHIPID     0X00
0025 #define TPS65217_REG_PPATH      0X01
0026 #define TPS65217_REG_INT        0X02
0027 #define TPS65217_REG_CHGCONFIG0     0X03
0028 #define TPS65217_REG_CHGCONFIG1     0X04
0029 #define TPS65217_REG_CHGCONFIG2     0X05
0030 #define TPS65217_REG_CHGCONFIG3     0X06
0031 #define TPS65217_REG_WLEDCTRL1      0X07
0032 #define TPS65217_REG_WLEDCTRL2      0X08
0033 #define TPS65217_REG_MUXCTRL        0X09
0034 #define TPS65217_REG_STATUS     0X0A
0035 #define TPS65217_REG_PASSWORD       0X0B
0036 #define TPS65217_REG_PGOOD      0X0C
0037 #define TPS65217_REG_DEFPG      0X0D
0038 #define TPS65217_REG_DEFDCDC1       0X0E
0039 #define TPS65217_REG_DEFDCDC2       0X0F
0040 #define TPS65217_REG_DEFDCDC3       0X10
0041 #define TPS65217_REG_DEFSLEW        0X11
0042 #define TPS65217_REG_DEFLDO1        0X12
0043 #define TPS65217_REG_DEFLDO2        0X13
0044 #define TPS65217_REG_DEFLS1     0X14
0045 #define TPS65217_REG_DEFLS2     0X15
0046 #define TPS65217_REG_ENABLE     0X16
0047 #define TPS65217_REG_DEFUVLO        0X18
0048 #define TPS65217_REG_SEQ1       0X19
0049 #define TPS65217_REG_SEQ2       0X1A
0050 #define TPS65217_REG_SEQ3       0X1B
0051 #define TPS65217_REG_SEQ4       0X1C
0052 #define TPS65217_REG_SEQ5       0X1D
0053 #define TPS65217_REG_SEQ6       0X1E
0054 
0055 #define TPS65217_REG_MAX        TPS65217_REG_SEQ6
0056 
0057 /* Register field definitions */
0058 #define TPS65217_CHIPID_CHIP_MASK   0xF0
0059 #define TPS65217_CHIPID_REV_MASK    0x0F
0060 
0061 #define TPS65217_PPATH_ACSINK_ENABLE    BIT(7)
0062 #define TPS65217_PPATH_USBSINK_ENABLE   BIT(6)
0063 #define TPS65217_PPATH_AC_PW_ENABLE BIT(5)
0064 #define TPS65217_PPATH_USB_PW_ENABLE    BIT(4)
0065 #define TPS65217_PPATH_AC_CURRENT_MASK  0x0C
0066 #define TPS65217_PPATH_USB_CURRENT_MASK 0x03
0067 
0068 #define TPS65217_INT_PBM        BIT(6)
0069 #define TPS65217_INT_ACM        BIT(5)
0070 #define TPS65217_INT_USBM       BIT(4)
0071 #define TPS65217_INT_PBI        BIT(2)
0072 #define TPS65217_INT_ACI        BIT(1)
0073 #define TPS65217_INT_USBI       BIT(0)
0074 #define TPS65217_INT_SHIFT      4
0075 #define TPS65217_INT_MASK       (TPS65217_INT_PBM | TPS65217_INT_ACM | \
0076                     TPS65217_INT_USBM)
0077 
0078 #define TPS65217_CHGCONFIG0_TREG    BIT(7)
0079 #define TPS65217_CHGCONFIG0_DPPM    BIT(6)
0080 #define TPS65217_CHGCONFIG0_TSUSP   BIT(5)
0081 #define TPS65217_CHGCONFIG0_TERMI   BIT(4)
0082 #define TPS65217_CHGCONFIG0_ACTIVE  BIT(3)
0083 #define TPS65217_CHGCONFIG0_CHGTOUT BIT(2)
0084 #define TPS65217_CHGCONFIG0_PCHGTOUT    BIT(1)
0085 #define TPS65217_CHGCONFIG0_BATTEMP BIT(0)
0086 
0087 #define TPS65217_CHGCONFIG1_TMR_MASK    0xC0
0088 #define TPS65217_CHGCONFIG1_TMR_ENABLE  BIT(5)
0089 #define TPS65217_CHGCONFIG1_NTC_TYPE    BIT(4)
0090 #define TPS65217_CHGCONFIG1_RESET   BIT(3)
0091 #define TPS65217_CHGCONFIG1_TERM    BIT(2)
0092 #define TPS65217_CHGCONFIG1_SUSP    BIT(1)
0093 #define TPS65217_CHGCONFIG1_CHG_EN  BIT(0)
0094 
0095 #define TPS65217_CHGCONFIG2_DYNTMR  BIT(7)
0096 #define TPS65217_CHGCONFIG2_VPREGHG BIT(6)
0097 #define TPS65217_CHGCONFIG2_VOREG_MASK  0x30
0098 
0099 #define TPS65217_CHGCONFIG3_ICHRG_MASK  0xC0
0100 #define TPS65217_CHGCONFIG3_DPPMTH_MASK 0x30
0101 #define TPS65217_CHGCONFIG2_PCHRGT  BIT(3)
0102 #define TPS65217_CHGCONFIG2_TERMIF  0x06
0103 #define TPS65217_CHGCONFIG2_TRANGE  BIT(0)
0104 
0105 #define TPS65217_WLEDCTRL1_ISINK_ENABLE BIT(3)
0106 #define TPS65217_WLEDCTRL1_ISEL     BIT(2)
0107 #define TPS65217_WLEDCTRL1_FDIM_MASK    0x03
0108 
0109 #define TPS65217_WLEDCTRL2_DUTY_MASK    0x7F
0110 
0111 #define TPS65217_MUXCTRL_MUX_MASK   0x07
0112 
0113 #define TPS65217_STATUS_OFF     BIT(7)
0114 #define TPS65217_STATUS_ACPWR       BIT(3)
0115 #define TPS65217_STATUS_USBPWR      BIT(2)
0116 #define TPS65217_STATUS_PB      BIT(0)
0117 
0118 #define TPS65217_PASSWORD_REGS_UNLOCK   0x7D
0119 
0120 #define TPS65217_PGOOD_LDO3_PG      BIT(6)
0121 #define TPS65217_PGOOD_LDO4_PG      BIT(5)
0122 #define TPS65217_PGOOD_DC1_PG       BIT(4)
0123 #define TPS65217_PGOOD_DC2_PG       BIT(3)
0124 #define TPS65217_PGOOD_DC3_PG       BIT(2)
0125 #define TPS65217_PGOOD_LDO1_PG      BIT(1)
0126 #define TPS65217_PGOOD_LDO2_PG      BIT(0)
0127 
0128 #define TPS65217_DEFPG_LDO1PGM      BIT(3)
0129 #define TPS65217_DEFPG_LDO2PGM      BIT(2)
0130 #define TPS65217_DEFPG_PGDLY_MASK   0x03
0131 
0132 #define TPS65217_DEFDCDCX_XADJX     BIT(7)
0133 #define TPS65217_DEFDCDCX_DCDC_MASK 0x3F
0134 
0135 #define TPS65217_DEFSLEW_GO     BIT(7)
0136 #define TPS65217_DEFSLEW_GODSBL     BIT(6)
0137 #define TPS65217_DEFSLEW_PFM_EN1    BIT(5)
0138 #define TPS65217_DEFSLEW_PFM_EN2    BIT(4)
0139 #define TPS65217_DEFSLEW_PFM_EN3    BIT(3)
0140 #define TPS65217_DEFSLEW_SLEW_MASK  0x07
0141 
0142 #define TPS65217_DEFLDO1_LDO1_MASK  0x0F
0143 
0144 #define TPS65217_DEFLDO2_TRACK      BIT(6)
0145 #define TPS65217_DEFLDO2_LDO2_MASK  0x3F
0146 
0147 #define TPS65217_DEFLDO3_LDO3_EN    BIT(5)
0148 #define TPS65217_DEFLDO3_LDO3_MASK  0x1F
0149 
0150 #define TPS65217_DEFLDO4_LDO4_EN    BIT(5)
0151 #define TPS65217_DEFLDO4_LDO4_MASK  0x1F
0152 
0153 #define TPS65217_ENABLE_LS1_EN      BIT(6)
0154 #define TPS65217_ENABLE_LS2_EN      BIT(5)
0155 #define TPS65217_ENABLE_DC1_EN      BIT(4)
0156 #define TPS65217_ENABLE_DC2_EN      BIT(3)
0157 #define TPS65217_ENABLE_DC3_EN      BIT(2)
0158 #define TPS65217_ENABLE_LDO1_EN     BIT(1)
0159 #define TPS65217_ENABLE_LDO2_EN     BIT(0)
0160 
0161 #define TPS65217_DEFUVLO_UVLOHYS    BIT(2)
0162 #define TPS65217_DEFUVLO_UVLO_MASK  0x03
0163 
0164 #define TPS65217_SEQ1_DC1_SEQ_MASK  0xF0
0165 #define TPS65217_SEQ1_DC2_SEQ_MASK  0x0F
0166 
0167 #define TPS65217_SEQ2_DC3_SEQ_MASK  0xF0
0168 #define TPS65217_SEQ2_LDO1_SEQ_MASK 0x0F
0169 
0170 #define TPS65217_SEQ3_LDO2_SEQ_MASK 0xF0
0171 #define TPS65217_SEQ3_LDO3_SEQ_MASK 0x0F
0172 
0173 #define TPS65217_SEQ4_LDO4_SEQ_MASK 0xF0
0174 
0175 #define TPS65217_SEQ5_DLY1_MASK     0xC0
0176 #define TPS65217_SEQ5_DLY2_MASK     0x30
0177 #define TPS65217_SEQ5_DLY3_MASK     0x0C
0178 #define TPS65217_SEQ5_DLY4_MASK     0x03
0179 
0180 #define TPS65217_SEQ6_DLY5_MASK     0xC0
0181 #define TPS65217_SEQ6_DLY6_MASK     0x30
0182 #define TPS65217_SEQ6_SEQUP     BIT(2)
0183 #define TPS65217_SEQ6_SEQDWN        BIT(1)
0184 #define TPS65217_SEQ6_INSTDWN       BIT(0)
0185 
0186 #define TPS65217_MAX_REGISTER       0x1E
0187 #define TPS65217_PROTECT_NONE       0
0188 #define TPS65217_PROTECT_L1     1
0189 #define TPS65217_PROTECT_L2     2
0190 
0191 
0192 enum tps65217_regulator_id {
0193     /* DCDC's */
0194     TPS65217_DCDC_1,
0195     TPS65217_DCDC_2,
0196     TPS65217_DCDC_3,
0197     /* LDOs */
0198     TPS65217_LDO_1,
0199     TPS65217_LDO_2,
0200     TPS65217_LDO_3,
0201     TPS65217_LDO_4,
0202 };
0203 
0204 #define TPS65217_MAX_REG_ID     TPS65217_LDO_4
0205 
0206 /* Number of step-down converters available */
0207 #define TPS65217_NUM_DCDC       3
0208 /* Number of LDO voltage regulators available */
0209 #define TPS65217_NUM_LDO        4
0210 /* Number of total regulators available */
0211 #define TPS65217_NUM_REGULATOR      (TPS65217_NUM_DCDC + TPS65217_NUM_LDO)
0212 
0213 enum tps65217_bl_isel {
0214     TPS65217_BL_ISET1 = 1,
0215     TPS65217_BL_ISET2,
0216 };
0217 
0218 enum tps65217_bl_fdim {
0219     TPS65217_BL_FDIM_100HZ,
0220     TPS65217_BL_FDIM_200HZ,
0221     TPS65217_BL_FDIM_500HZ,
0222     TPS65217_BL_FDIM_1000HZ,
0223 };
0224 
0225 struct tps65217_bl_pdata {
0226     enum tps65217_bl_isel isel;
0227     enum tps65217_bl_fdim fdim;
0228     int dft_brightness;
0229 };
0230 
0231 /* Interrupt numbers */
0232 #define TPS65217_IRQ_USB        0
0233 #define TPS65217_IRQ_AC         1
0234 #define TPS65217_IRQ_PB         2
0235 #define TPS65217_NUM_IRQ        3
0236 
0237 /**
0238  * struct tps65217_board - packages regulator init data
0239  * @tps65217_regulator_data: regulator initialization values
0240  *
0241  * Board data may be used to initialize regulator.
0242  */
0243 struct tps65217_board {
0244     struct regulator_init_data *tps65217_init_data[TPS65217_NUM_REGULATOR];
0245     struct device_node *of_node[TPS65217_NUM_REGULATOR];
0246     struct tps65217_bl_pdata *bl_pdata;
0247 };
0248 
0249 /**
0250  * struct tps65217 - tps65217 sub-driver chip access routines
0251  *
0252  * Device data may be used to access the TPS65217 chip
0253  */
0254 
0255 struct tps65217 {
0256     struct device *dev;
0257     struct tps65217_board *pdata;
0258     struct regulator_desc desc[TPS65217_NUM_REGULATOR];
0259     struct regmap *regmap;
0260     u8 *strobes;
0261     struct irq_domain *irq_domain;
0262     struct mutex irq_lock;
0263     u8 irq_mask;
0264     int irq;
0265 };
0266 
0267 static inline struct tps65217 *dev_to_tps65217(struct device *dev)
0268 {
0269     return dev_get_drvdata(dev);
0270 }
0271 
0272 int tps65217_reg_read(struct tps65217 *tps, unsigned int reg,
0273                     unsigned int *val);
0274 int tps65217_reg_write(struct tps65217 *tps, unsigned int reg,
0275             unsigned int val, unsigned int level);
0276 int tps65217_set_bits(struct tps65217 *tps, unsigned int reg,
0277         unsigned int mask, unsigned int val, unsigned int level);
0278 int tps65217_clear_bits(struct tps65217 *tps, unsigned int reg,
0279         unsigned int mask, unsigned int level);
0280 
0281 #endif /*  __LINUX_MFD_TPS65217_H */