kernel/include/linux/mfd/tps65218.h

   1 /*
   2  * linux/mfd/tps65218.h
   3  *
   4  * Functions to access TPS65219 power management chip.
   5  *
   6  * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  *
  12  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
  13  * kind, whether expressed or implied; without even the implied warranty
  14  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License version 2 for more details.
  16  */
  17
  18 #ifndef __LINUX_MFD_TPS65218_H
  19 #define __LINUX_MFD_TPS65218_H
  20
  21 #include <linux/i2c.h>
  22 #include <linux/regulator/driver.h>
  23 #include <linux/regulator/machine.h>
  24 #include <linux/bitops.h>
  25
  26 /* TPS chip id list */
  27 #define TPS65218                        0xF0
  28
  29 /* I2C ID for TPS65218 part */
  30 #define TPS65218_I2C_ID                 0x24
  31
  32 /* All register addresses */
  33 #define TPS65218_REG_CHIPID             0x00
  34 #define TPS65218_REG_INT1               0x01
  35 #define TPS65218_REG_INT2               0x02
  36 #define TPS65218_REG_INT_MASK1          0x03
  37 #define TPS65218_REG_INT_MASK2          0x04
  38 #define TPS65218_REG_STATUS             0x05
  39 #define TPS65218_REG_CONTROL            0x06
  40 #define TPS65218_REG_FLAG               0x07
  41
  42 #define TPS65218_REG_PASSWORD           0x10
  43 #define TPS65218_REG_ENABLE1            0x11
  44 #define TPS65218_REG_ENABLE2            0x12
  45 #define TPS65218_REG_CONFIG1            0x13
  46 #define TPS65218_REG_CONFIG2            0x14
  47 #define TPS65218_REG_CONFIG3            0x15
  48 #define TPS65218_REG_CONTROL_DCDC1      0x16
  49 #define TPS65218_REG_CONTROL_DCDC2      0x17
  50 #define TPS65218_REG_CONTROL_DCDC3      0x18
  51 #define TPS65218_REG_CONTROL_DCDC4      0x19
  52 #define TPS65218_REG_CONTRL_SLEW_RATE   0x1A
  53 #define TPS65218_REG_CONTROL_LDO1       0x1B
  54 #define TPS65218_REG_SEQ1               0x20
  55 #define TPS65218_REG_SEQ2               0x21
  56 #define TPS65218_REG_SEQ3               0x22
  57 #define TPS65218_REG_SEQ4               0x23
  58 #define TPS65218_REG_SEQ5               0x24
  59 #define TPS65218_REG_SEQ6               0x25
  60 #define TPS65218_REG_SEQ7               0x26
  61
  62 /* Register field definitions */
  63 #define TPS65218_CHIPID_CHIP_MASK       0xF8
  64 #define TPS65218_CHIPID_REV_MASK        0x07
  65
  66 #define TPS65218_INT1_VPRG              BIT(5)
  67 #define TPS65218_INT1_AC                BIT(4)
  68 #define TPS65218_INT1_PB                BIT(3)
  69 #define TPS65218_INT1_HOT               BIT(2)
  70 #define TPS65218_INT1_CC_AQC            BIT(1)
  71 #define TPS65218_INT1_PRGC              BIT(0)
  72
  73 #define TPS65218_INT2_LS3_F             BIT(5)
  74 #define TPS65218_INT2_LS2_F             BIT(4)
  75 #define TPS65218_INT2_LS1_F             BIT(3)
  76 #define TPS65218_INT2_LS3_I             BIT(2)
  77 #define TPS65218_INT2_LS2_I             BIT(1)
  78 #define TPS65218_INT2_LS1_I             BIT(0)
  79
  80 #define TPS65218_INT_MASK1_VPRG         BIT(5)
  81 #define TPS65218_INT_MASK1_AC           BIT(4)
  82 #define TPS65218_INT_MASK1_PB           BIT(3)
  83 #define TPS65218_INT_MASK1_HOT          BIT(2)
  84 #define TPS65218_INT_MASK1_CC_AQC       BIT(1)
  85 #define TPS65218_INT_MASK1_PRGC         BIT(0)
  86
  87 #define TPS65218_INT_MASK2_LS3_F        BIT(5)
  88 #define TPS65218_INT_MASK2_LS2_F        BIT(4)
  89 #define TPS65218_INT_MASK2_LS1_F        BIT(3)
  90 #define TPS65218_INT_MASK2_LS3_I        BIT(2)
  91 #define TPS65218_INT_MASK2_LS2_I        BIT(1)
  92 #define TPS65218_INT_MASK2_LS1_I        BIT(0)
  93
  94 #define TPS65218_STATUS_FSEAL           BIT(7)
  95 #define TPS65218_STATUS_EE              BIT(6)
  96 #define TPS65218_STATUS_AC_STATE        BIT(5)
  97 #define TPS65218_STATUS_PB_STATE        BIT(4)
  98 #define TPS65218_STATUS_STATE_MASK      0xC
  99 #define TPS65218_STATUS_CC_STAT         0x3
 100
 101 #define TPS65218_CONTROL_OFFNPFO        BIT(1)
 102 #define TPS65218_CONTROL_CC_AQ  BIT(0)
 103
 104 #define TPS65218_FLAG_GPO3_FLG          BIT(7)
 105 #define TPS65218_FLAG_GPO2_FLG          BIT(6)
 106 #define TPS65218_FLAG_GPO1_FLG          BIT(5)
 107 #define TPS65218_FLAG_LDO1_FLG          BIT(4)
 108 #define TPS65218_FLAG_DC4_FLG           BIT(3)
 109 #define TPS65218_FLAG_DC3_FLG           BIT(2)
 110 #define TPS65218_FLAG_DC2_FLG           BIT(1)
 111 #define TPS65218_FLAG_DC1_FLG           BIT(0)
 112
 113 #define TPS65218_ENABLE1_DC6_EN         BIT(5)
 114 #define TPS65218_ENABLE1_DC5_EN         BIT(4)
 115 #define TPS65218_ENABLE1_DC4_EN         BIT(3)
 116 #define TPS65218_ENABLE1_DC3_EN         BIT(2)
 117 #define TPS65218_ENABLE1_DC2_EN         BIT(1)
 118 #define TPS65218_ENABLE1_DC1_EN         BIT(0)
 119
 120 #define TPS65218_ENABLE2_GPIO3          BIT(6)
 121 #define TPS65218_ENABLE2_GPIO2          BIT(5)
 122 #define TPS65218_ENABLE2_GPIO1          BIT(4)
 123 #define TPS65218_ENABLE2_LS3_EN         BIT(3)
 124 #define TPS65218_ENABLE2_LS2_EN         BIT(2)
 125 #define TPS65218_ENABLE2_LS1_EN         BIT(1)
 126 #define TPS65218_ENABLE2_LDO1_EN        BIT(0)
 127
 128
 129 #define TPS65218_CONFIG1_TRST           BIT(7)
 130 #define TPS65218_CONFIG1_GPO2_BUF       BIT(6)
 131 #define TPS65218_CONFIG1_IO1_SEL        BIT(5)
 132 #define TPS65218_CONFIG1_PGDLY_MASK     0x18
 133 #define TPS65218_CONFIG1_STRICT         BIT(2)
 134 #define TPS65218_CONFIG1_UVLO_MASK      0x3
 135
 136 #define TPS65218_CONFIG2_DC12_RST       BIT(7)
 137 #define TPS65218_CONFIG2_UVLOHYS        BIT(6)
 138 #define TPS65218_CONFIG2_LS3ILIM_MASK   0xC
 139 #define TPS65218_CONFIG2_LS2ILIM_MASK   0x3
 140
 141 #define TPS65218_CONFIG3_LS3NPFO        BIT(5)
 142 #define TPS65218_CONFIG3_LS2NPFO        BIT(4)
 143 #define TPS65218_CONFIG3_LS1NPFO        BIT(3)
 144 #define TPS65218_CONFIG3_LS3DCHRG       BIT(2)
 145 #define TPS65218_CONFIG3_LS2DCHRG       BIT(1)
 146 #define TPS65218_CONFIG3_LS1DCHRG       BIT(0)
 147
 148 #define TPS65218_CONTROL_DCDC1_PFM      BIT(7)
 149 #define TPS65218_CONTROL_DCDC1_MASK     0x7F
 150
 151 #define TPS65218_CONTROL_DCDC2_PFM      BIT(7)
 152 #define TPS65218_CONTROL_DCDC2_MASK     0x3F
 153
 154 #define TPS65218_CONTROL_DCDC3_PFM      BIT(7)
 155 #define TPS65218_CONTROL_DCDC3_MASK     0x3F
 156
 157 #define TPS65218_CONTROL_DCDC4_PFM      BIT(7)
 158 #define TPS65218_CONTROL_DCDC4_MASK     0x3F
 159
 160 #define TPS65218_SLEW_RATE_GO           BIT(7)
 161 #define TPS65218_SLEW_RATE_GODSBL       BIT(6)
 162 #define TPS65218_SLEW_RATE_SLEW_MASK    0x7
 163
 164 #define TPS65218_CONTROL_LDO1_MASK      0x3F
 165
 166 #define TPS65218_SEQ1_DLY8              BIT(7)
 167 #define TPS65218_SEQ1_DLY7              BIT(6)
 168 #define TPS65218_SEQ1_DLY6              BIT(5)
 169 #define TPS65218_SEQ1_DLY5              BIT(4)
 170 #define TPS65218_SEQ1_DLY4              BIT(3)
 171 #define TPS65218_SEQ1_DLY3              BIT(2)
 172 #define TPS65218_SEQ1_DLY2              BIT(1)
 173 #define TPS65218_SEQ1_DLY1              BIT(0)
 174
 175 #define TPS65218_SEQ2_DLYFCTR           BIT(7)
 176 #define TPS65218_SEQ2_DLY9              BIT(0)
 177
 178 #define TPS65218_SEQ3_DC2_SEQ_MASK      0xF0
 179 #define TPS65218_SEQ3_DC1_SEQ_MASK      0xF
 180
 181 #define TPS65218_SEQ4_DC4_SEQ_MASK      0xF0
 182 #define TPS65218_SEQ4_DC3_SEQ_MASK      0xF
 183
 184 #define TPS65218_SEQ5_DC6_SEQ_MASK      0xF0
 185 #define TPS65218_SEQ5_DC5_SEQ_MASK      0xF
 186
 187 #define TPS65218_SEQ6_LS1_SEQ_MASK      0xF0
 188 #define TPS65218_SEQ6_LDO1_SEQ_MASK     0xF
 189
 190 #define TPS65218_SEQ7_GPO3_SEQ_MASK     0xF0
 191 #define TPS65218_SEQ7_GPO1_SEQ_MASK     0xF
 192 #define TPS65218_PROTECT_NONE           0
 193 #define TPS65218_PROTECT_L1             1
 194
 195 enum tps65218_regulator_id {
 196         /* DCDC's */
 197         TPS65218_DCDC_1,
 198         TPS65218_DCDC_2,
 199         TPS65218_DCDC_3,
 200         TPS65218_DCDC_4,
 201         TPS65218_DCDC_5,
 202         TPS65218_DCDC_6,
 203         /* LDOs */
 204         TPS65218_LDO_1,
 205 };
 206
 207 #define TPS65218_MAX_REG_ID             TPS65218_LDO_1
 208
 209 /* Number of step-down converters available */
 210 #define TPS65218_NUM_DCDC               6
 211 /* Number of LDO voltage regulators available */
 212 #define TPS65218_NUM_LDO                1
 213 /* Number of total regulators available */
 214 #define TPS65218_NUM_REGULATOR          (TPS65218_NUM_DCDC + TPS65218_NUM_LDO)
 215
 216 /* Define the TPS65218 IRQ numbers */
 217 enum tps65218_irqs {
 218         /* INT1 registers */
 219         TPS65218_PRGC_IRQ,
 220         TPS65218_CC_AQC_IRQ,
 221         TPS65218_HOT_IRQ,
 222         TPS65218_PB_IRQ,
 223         TPS65218_AC_IRQ,
 224         TPS65218_VPRG_IRQ,
 225         TPS65218_INVALID1_IRQ,
 226         TPS65218_INVALID2_IRQ,
 227         /* INT2 registers */
 228         TPS65218_LS1_I_IRQ,
 229         TPS65218_LS2_I_IRQ,
 230         TPS65218_LS3_I_IRQ,
 231         TPS65218_LS1_F_IRQ,
 232         TPS65218_LS2_F_IRQ,
 233         TPS65218_LS3_F_IRQ,
 234         TPS65218_INVALID3_IRQ,
 235         TPS65218_INVALID4_IRQ,
 236 };
 237
 238 /**
 239  * struct tps_info - packages regulator constraints
 240  * @id:                 Id of the regulator
 241  * @name:               Voltage regulator name
 242  * @min_uV:             minimum micro volts
 243  * @max_uV:             minimum micro volts
 244  *
 245  * This data is used to check the regualtor voltage limits while setting.
 246  */
 247 struct tps_info {
 248         int id;
 249         const char *name;
 250         int min_uV;
 251         int max_uV;
 252 };
 253
 254 /**
 255  * struct tps65218 - tps65218 sub-driver chip access routines
 256  *
 257  * Device data may be used to access the TPS65218 chip
 258  */
 259
 260 struct tps65218 {
 261         struct device *dev;
 262         unsigned int id;
 263
 264         struct mutex tps_lock;          /* lock guarding the data structure */
 265         /* IRQ Data */
 266         int irq;
 267         u32 irq_mask;
 268         struct regmap_irq_chip_data *irq_data;
 269         struct regulator_desc desc[TPS65218_NUM_REGULATOR];
 270         struct tps_info *info[TPS65218_NUM_REGULATOR];
 271         struct regmap *regmap;
 272 };
 273
 274 int tps65218_reg_read(struct tps65218 *tps, unsigned int reg,
 275                                         unsigned int *val);
 276 int tps65218_reg_write(struct tps65218 *tps, unsigned int reg,
 277                         unsigned int val, unsigned int level);
 278 int tps65218_set_bits(struct tps65218 *tps, unsigned int reg,
 279                 unsigned int mask, unsigned int val, unsigned int level);
 280 int tps65218_clear_bits(struct tps65218 *tps, unsigned int reg,
 281                 unsigned int mask, unsigned int level);
 282
 283 #endif /*  __LINUX_MFD_TPS65218_H */