1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Functions to access LP87565 power management chip. 4 * 5 * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/ 6 */ 7 8 #ifndef __LINUX_MFD_LP87565_H 9 #define __LINUX_MFD_LP87565_H 10 11 #include <linux/i2c.h> 12 #include <linux/regulator/driver.h> 13 #include <linux/regulator/machine.h> 14 15 enum lp87565_device_type { 16 LP87565_DEVICE_TYPE_UNKNOWN = 0, 17 LP87565_DEVICE_TYPE_LP87561_Q1, 18 LP87565_DEVICE_TYPE_LP87565_Q1, 19 }; 20 21 /* All register addresses */ 22 #define LP87565_REG_DEV_REV 0X00 23 #define LP87565_REG_OTP_REV 0X01 24 #define LP87565_REG_BUCK0_CTRL_1 0X02 25 #define LP87565_REG_BUCK0_CTRL_2 0X03 26 27 #define LP87565_REG_BUCK1_CTRL_1 0X04 28 #define LP87565_REG_BUCK1_CTRL_2 0X05 29 30 #define LP87565_REG_BUCK2_CTRL_1 0X06 31 #define LP87565_REG_BUCK2_CTRL_2 0X07 32 33 #define LP87565_REG_BUCK3_CTRL_1 0X08 34 #define LP87565_REG_BUCK3_CTRL_2 0X09 35 36 #define LP87565_REG_BUCK0_VOUT 0X0A 37 #define LP87565_REG_BUCK0_FLOOR_VOUT 0X0B 38 39 #define LP87565_REG_BUCK1_VOUT 0X0C 40 #define LP87565_REG_BUCK1_FLOOR_VOUT 0X0D 41 42 #define LP87565_REG_BUCK2_VOUT 0X0E 43 #define LP87565_REG_BUCK2_FLOOR_VOUT 0X0F 44 45 #define LP87565_REG_BUCK3_VOUT 0X10 46 #define LP87565_REG_BUCK3_FLOOR_VOUT 0X11 47 48 #define LP87565_REG_BUCK0_DELAY 0X12 49 #define LP87565_REG_BUCK1_DELAY 0X13 50 51 #define LP87565_REG_BUCK2_DELAY 0X14 52 #define LP87565_REG_BUCK3_DELAY 0X15 53 54 #define LP87565_REG_GPO2_DELAY 0X16 55 #define LP87565_REG_GPO3_DELAY 0X17 56 #define LP87565_REG_RESET 0X18 57 #define LP87565_REG_CONFIG 0X19 58 59 #define LP87565_REG_INT_TOP_1 0X1A 60 #define LP87565_REG_INT_TOP_2 0X1B 61 62 #define LP87565_REG_INT_BUCK_0_1 0X1C 63 #define LP87565_REG_INT_BUCK_2_3 0X1D 64 #define LP87565_REG_TOP_STAT 0X1E 65 #define LP87565_REG_BUCK_0_1_STAT 0X1F 66 #define LP87565_REG_BUCK_2_3_STAT 0x20 67 68 #define LP87565_REG_TOP_MASK_1 0x21 69 #define LP87565_REG_TOP_MASK_2 0x22 70 71 #define LP87565_REG_BUCK_0_1_MASK 0x23 72 #define LP87565_REG_BUCK_2_3_MASK 0x24 73 #define LP87565_REG_SEL_I_LOAD 0x25 74 75 #define LP87565_REG_I_LOAD_2 0x26 76 #define LP87565_REG_I_LOAD_1 0x27 77 78 #define LP87565_REG_PGOOD_CTRL1 0x28 79 #define LP87565_REG_PGOOD_CTRL2 0x29 80 #define LP87565_REG_PGOOD_FLT 0x2A 81 #define LP87565_REG_PLL_CTRL 0x2B 82 #define LP87565_REG_PIN_FUNCTION 0x2C 83 #define LP87565_REG_GPIO_CONFIG 0x2D 84 #define LP87565_REG_GPIO_IN 0x2E 85 #define LP87565_REG_GPIO_OUT 0x2F 86 87 #define LP87565_REG_MAX LP87565_REG_GPIO_OUT 88 89 /* Register field definitions */ 90 #define LP87565_DEV_REV_DEV_ID 0xC0 91 #define LP87565_DEV_REV_ALL_LAYER 0x30 92 #define LP87565_DEV_REV_METAL_LAYER 0x0F 93 94 #define LP87565_OTP_REV_OTP_ID 0xFF 95 96 #define LP87565_BUCK_CTRL_1_EN BIT(7) 97 #define LP87565_BUCK_CTRL_1_EN_PIN_CTRL BIT(6) 98 #define LP87565_BUCK_CTRL_1_PIN_SELECT_EN 0x30 99 100 #define LP87565_BUCK_CTRL_1_ROOF_FLOOR_EN BIT(3) 101 #define LP87565_BUCK_CTRL_1_RDIS_EN BIT(2) 102 #define LP87565_BUCK_CTRL_1_FPWM BIT(1) 103 /* Bit0 is reserved for BUCK1 and BUCK3 and valid only for BUCK0 and BUCK2 */ 104 #define LP87565_BUCK_CTRL_1_FPWM_MP_0_2 BIT(0) 105 106 #define LP87565_BUCK_CTRL_2_ILIM 0x38 107 #define LP87565_BUCK_CTRL_2_SLEW_RATE 0x07 108 109 #define LP87565_BUCK_VSET 0xFF 110 #define LP87565_BUCK_FLOOR_VSET 0xFF 111 112 #define LP87565_BUCK_SHUTDOWN_DELAY 0xF0 113 #define LP87565_BUCK_STARTUP_DELAY 0x0F 114 115 #define LP87565_GPIO_SHUTDOWN_DELAY 0xF0 116 #define LP87565_GPIO_STARTUP_DELAY 0x0F 117 118 #define LP87565_RESET_SW_RESET BIT(0) 119 120 #define LP87565_CONFIG_DOUBLE_DELAY BIT(7) 121 #define LP87565_CONFIG_CLKIN_PD BIT(6) 122 #define LP87565_CONFIG_EN4_PD BIT(5) 123 #define LP87565_CONFIG_EN3_PD BIT(4) 124 #define LP87565_CONFIG_TDIE_WARN_LEVEL BIT(3) 125 #define LP87565_CONFIG_EN2_PD BIT(2) 126 #define LP87565_CONFIG_EN1_PD BIT(1) 127 128 #define LP87565_INT_GPIO BIT(7) 129 #define LP87565_INT_BUCK23 BIT(6) 130 #define LP87565_INT_BUCK01 BIT(5) 131 #define LP87565_NO_SYNC_CLK BIT(4) 132 #define LP87565_TDIE_SD BIT(3) 133 #define LP87565_TDIE_WARN BIT(2) 134 #define LP87565_INT_OVP BIT(1) 135 #define LP87565_I_LOAD_READY BIT(0) 136 137 #define LP87565_INT_TOP2_RESET_REG BIT(0) 138 139 #define LP87565_BUCK1_PG_INT BIT(6) 140 #define LP87565_BUCK1_SC_INT BIT(5) 141 #define LP87565_BUCK1_ILIM_INT BIT(4) 142 #define LP87565_BUCK0_PG_INT BIT(2) 143 #define LP87565_BUCK0_SC_INT BIT(1) 144 #define LP87565_BUCK0_ILIM_INT BIT(0) 145 146 #define LP87565_BUCK3_PG_INT BIT(6) 147 #define LP87565_BUCK3_SC_INT BIT(5) 148 #define LP87565_BUCK3_ILIM_INT BIT(4) 149 #define LP87565_BUCK2_PG_INT BIT(2) 150 #define LP87565_BUCK2_SC_INT BIT(1) 151 #define LP87565_BUCK2_ILIM_INT BIT(0) 152 153 #define LP87565_SYNC_CLK_STAT BIT(4) 154 #define LP87565_TDIE_SD_STAT BIT(3) 155 #define LP87565_TDIE_WARN_STAT BIT(2) 156 #define LP87565_OVP_STAT BIT(1) 157 158 #define LP87565_BUCK1_STAT BIT(7) 159 #define LP87565_BUCK1_PG_STAT BIT(6) 160 #define LP87565_BUCK1_ILIM_STAT BIT(4) 161 #define LP87565_BUCK0_STAT BIT(3) 162 #define LP87565_BUCK0_PG_STAT BIT(2) 163 #define LP87565_BUCK0_ILIM_STAT BIT(0) 164 165 #define LP87565_BUCK3_STAT BIT(7) 166 #define LP87565_BUCK3_PG_STAT BIT(6) 167 #define LP87565_BUCK3_ILIM_STAT BIT(4) 168 #define LP87565_BUCK2_STAT BIT(3) 169 #define LP87565_BUCK2_PG_STAT BIT(2) 170 #define LP87565_BUCK2_ILIM_STAT BIT(0) 171 172 #define LPL87565_GPIO_MASK BIT(7) 173 #define LPL87565_SYNC_CLK_MASK BIT(4) 174 #define LPL87565_TDIE_WARN_MASK BIT(2) 175 #define LPL87565_I_LOAD_READY_MASK BIT(0) 176 177 #define LPL87565_RESET_REG_MASK BIT(0) 178 179 #define LPL87565_BUCK1_PG_MASK BIT(6) 180 #define LPL87565_BUCK1_ILIM_MASK BIT(4) 181 #define LPL87565_BUCK0_PG_MASK BIT(2) 182 #define LPL87565_BUCK0_ILIM_MASK BIT(0) 183 184 #define LPL87565_BUCK3_PG_MASK BIT(6) 185 #define LPL87565_BUCK3_ILIM_MASK BIT(4) 186 #define LPL87565_BUCK2_PG_MASK BIT(2) 187 #define LPL87565_BUCK2_ILIM_MASK BIT(0) 188 189 #define LP87565_LOAD_CURRENT_BUCK_SELECT 0x3 190 191 #define LP87565_I_LOAD2_BUCK_LOAD_CURRENT 0x3 192 #define LP87565_I_LOAD1_BUCK_LOAD_CURRENT 0xFF 193 194 #define LP87565_PG3_SEL 0xC0 195 #define LP87565_PG2_SEL 0x30 196 #define LP87565_PG1_SEL 0x0C 197 #define LP87565_PG0_SEL 0x03 198 199 #define LP87565_HALF_DAY BIT(7) 200 #define LP87565_EN_PG0_NINT BIT(6) 201 #define LP87565_PGOOD_SET_DELAY BIT(5) 202 #define LP87565_EN_PGFLT_STAT BIT(4) 203 #define LP87565_PGOOD_WINDOW BIT(2) 204 #define LP87565_PGOOD_OD BIT(1) 205 #define LP87565_PGOOD_POL BIT(0) 206 207 #define LP87565_PG3_FLT BIT(3) 208 #define LP87565_PG2_FLT BIT(2) 209 #define LP87565_PG1_FLT BIT(1) 210 #define LP87565_PG0_FLT BIT(0) 211 212 #define LP87565_PLL_MODE 0xC0 213 #define LP87565_EXT_CLK_FREQ 0x1F 214 215 #define LP87565_EN_SPREAD_SPEC BIT(7) 216 #define LP87565_EN_PIN_CTRL_GPIO3 BIT(6) 217 #define LP87565_EN_PIN_SELECT_GPIO3 BIT(5) 218 #define LP87565_EN_PIN_CTRL_GPIO2 BIT(4) 219 #define LP87565_EN_PIN_SELECT_GPIO2 BIT(3) 220 #define LP87565_GPIO3_SEL BIT(2) 221 #define LP87565_GPIO2_SEL BIT(1) 222 #define LP87565_GPIO1_SEL BIT(0) 223 224 #define LP87565_GOIO3_OD BIT(6) 225 #define LP87565_GOIO2_OD BIT(5) 226 #define LP87565_GOIO1_OD BIT(4) 227 #define LP87565_GOIO3_DIR BIT(2) 228 #define LP87565_GOIO2_DIR BIT(1) 229 #define LP87565_GOIO1_DIR BIT(0) 230 231 #define LP87565_GOIO3_IN BIT(2) 232 #define LP87565_GOIO2_IN BIT(1) 233 #define LP87565_GOIO1_IN BIT(0) 234 235 #define LP87565_GOIO3_OUT BIT(2) 236 #define LP87565_GOIO2_OUT BIT(1) 237 #define LP87565_GOIO1_OUT BIT(0) 238 239 /* Number of step-down converters available */ 240 #define LP87565_NUM_BUCK 6 241 242 enum LP87565_regulator_id { 243 /* BUCK's */ 244 LP87565_BUCK_0, 245 LP87565_BUCK_1, 246 LP87565_BUCK_2, 247 LP87565_BUCK_3, 248 LP87565_BUCK_10, 249 LP87565_BUCK_23, 250 LP87565_BUCK_3210, 251 }; 252 253 /** 254 * struct LP87565 - state holder for the LP87565 driver 255 * @dev: struct device pointer for MFD device 256 * @rev: revision of the LP87565 257 * @dev_type: The device type for example lp87565-q1 258 * @lock: lock guarding the data structure 259 * @regmap: register map of the LP87565 PMIC 260 * 261 * Device data may be used to access the LP87565 chip 262 */ 263 struct lp87565 { 264 struct device *dev; 265 u8 rev; 266 u8 dev_type; 267 struct regmap *regmap; 268 }; 269 #endif /* __LINUX_MFD_LP87565_H */ 270