1 /* 2 * gpio.h -- GPIO Driver for Wolfson WM8350 PMIC 3 * 4 * Copyright 2007 Wolfson Microelectronics PLC 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License as published by the 8 * Free Software Foundation; either version 2 of the License, or (at your 9 * option) any later version. 10 * 11 */ 12 13 #ifndef __LINUX_MFD_WM8350_GPIO_H_ 14 #define __LINUX_MFD_WM8350_GPIO_H_ 15 16 #include <linux/platform_device.h> 17 18 /* 19 * GPIO Registers. 20 */ 21 #define WM8350_GPIO_DEBOUNCE 0x80 22 #define WM8350_GPIO_PIN_PULL_UP_CONTROL 0x81 23 #define WM8350_GPIO_PULL_DOWN_CONTROL 0x82 24 #define WM8350_GPIO_INT_MODE 0x83 25 #define WM8350_GPIO_CONTROL 0x85 26 #define WM8350_GPIO_CONFIGURATION_I_O 0x86 27 #define WM8350_GPIO_PIN_POLARITY_TYPE 0x87 28 #define WM8350_GPIO_FUNCTION_SELECT_1 0x8C 29 #define WM8350_GPIO_FUNCTION_SELECT_2 0x8D 30 #define WM8350_GPIO_FUNCTION_SELECT_3 0x8E 31 #define WM8350_GPIO_FUNCTION_SELECT_4 0x8F 32 #define WM8350_GPIO_LEVEL 0xE6 33 34 /* 35 * GPIO Functions 36 */ 37 #define WM8350_GPIO0_GPIO_IN 0x0 38 #define WM8350_GPIO0_GPIO_OUT 0x0 39 #define WM8350_GPIO0_PWR_ON_IN 0x1 40 #define WM8350_GPIO0_PWR_ON_OUT 0x1 41 #define WM8350_GPIO0_LDO_EN_IN 0x2 42 #define WM8350_GPIO0_VRTC_OUT 0x2 43 #define WM8350_GPIO0_LPWR1_IN 0x3 44 #define WM8350_GPIO0_POR_B_OUT 0x3 45 46 #define WM8350_GPIO1_GPIO_IN 0x0 47 #define WM8350_GPIO1_GPIO_OUT 0x0 48 #define WM8350_GPIO1_PWR_ON_IN 0x1 49 #define WM8350_GPIO1_DO_CONF_OUT 0x1 50 #define WM8350_GPIO1_LDO_EN_IN 0x2 51 #define WM8350_GPIO1_RESET_OUT 0x2 52 #define WM8350_GPIO1_LPWR2_IN 0x3 53 #define WM8350_GPIO1_MEMRST_OUT 0x3 54 55 #define WM8350_GPIO2_GPIO_IN 0x0 56 #define WM8350_GPIO2_GPIO_OUT 0x0 57 #define WM8350_GPIO2_PWR_ON_IN 0x1 58 #define WM8350_GPIO2_PWR_ON_OUT 0x1 59 #define WM8350_GPIO2_WAKE_UP_IN 0x2 60 #define WM8350_GPIO2_VRTC_OUT 0x2 61 #define WM8350_GPIO2_32KHZ_IN 0x3 62 #define WM8350_GPIO2_32KHZ_OUT 0x3 63 64 #define WM8350_GPIO3_GPIO_IN 0x0 65 #define WM8350_GPIO3_GPIO_OUT 0x0 66 #define WM8350_GPIO3_PWR_ON_IN 0x1 67 #define WM8350_GPIO3_P_CLK_OUT 0x1 68 #define WM8350_GPIO3_LDO_EN_IN 0x2 69 #define WM8350_GPIO3_VRTC_OUT 0x2 70 #define WM8350_GPIO3_PWR_OFF_IN 0x3 71 #define WM8350_GPIO3_32KHZ_OUT 0x3 72 73 #define WM8350_GPIO4_GPIO_IN 0x0 74 #define WM8350_GPIO4_GPIO_OUT 0x0 75 #define WM8350_GPIO4_MR_IN 0x1 76 #define WM8350_GPIO4_MEM_RST_OUT 0x1 77 #define WM8350_GPIO4_FLASH_IN 0x2 78 #define WM8350_GPIO4_ADA_OUT 0x2 79 #define WM8350_GPIO4_HIBERNATE_IN 0x3 80 #define WM8350_GPIO4_FLASH_OUT 0x3 81 #define WM8350_GPIO4_MICDET_OUT 0x4 82 #define WM8350_GPIO4_MICSHT_OUT 0x5 83 84 #define WM8350_GPIO5_GPIO_IN 0x0 85 #define WM8350_GPIO5_GPIO_OUT 0x0 86 #define WM8350_GPIO5_LPWR1_IN 0x1 87 #define WM8350_GPIO5_P_CLK_OUT 0x1 88 #define WM8350_GPIO5_ADCLRCLK_IN 0x2 89 #define WM8350_GPIO5_ADCLRCLK_OUT 0x2 90 #define WM8350_GPIO5_HIBERNATE_IN 0x3 91 #define WM8350_GPIO5_32KHZ_OUT 0x3 92 #define WM8350_GPIO5_MICDET_OUT 0x4 93 #define WM8350_GPIO5_MICSHT_OUT 0x5 94 #define WM8350_GPIO5_ADA_OUT 0x6 95 #define WM8350_GPIO5_OPCLK_OUT 0x7 96 97 #define WM8350_GPIO6_GPIO_IN 0x0 98 #define WM8350_GPIO6_GPIO_OUT 0x0 99 #define WM8350_GPIO6_LPWR2_IN 0x1 100 #define WM8350_GPIO6_MEMRST_OUT 0x1 101 #define WM8350_GPIO6_FLASH_IN 0x2 102 #define WM8350_GPIO6_ADA_OUT 0x2 103 #define WM8350_GPIO6_HIBERNATE_IN 0x3 104 #define WM8350_GPIO6_RTC_OUT 0x3 105 #define WM8350_GPIO6_MICDET_OUT 0x4 106 #define WM8350_GPIO6_MICSHT_OUT 0x5 107 #define WM8350_GPIO6_ADCLRCLKB_OUT 0x6 108 #define WM8350_GPIO6_SDOUT_OUT 0x7 109 110 #define WM8350_GPIO7_GPIO_IN 0x0 111 #define WM8350_GPIO7_GPIO_OUT 0x0 112 #define WM8350_GPIO7_LPWR3_IN 0x1 113 #define WM8350_GPIO7_P_CLK_OUT 0x1 114 #define WM8350_GPIO7_MASK_IN 0x2 115 #define WM8350_GPIO7_VCC_FAULT_OUT 0x2 116 #define WM8350_GPIO7_HIBERNATE_IN 0x3 117 #define WM8350_GPIO7_BATT_FAULT_OUT 0x3 118 #define WM8350_GPIO7_MICDET_OUT 0x4 119 #define WM8350_GPIO7_MICSHT_OUT 0x5 120 #define WM8350_GPIO7_ADA_OUT 0x6 121 #define WM8350_GPIO7_CSB_IN 0x7 122 123 #define WM8350_GPIO8_GPIO_IN 0x0 124 #define WM8350_GPIO8_GPIO_OUT 0x0 125 #define WM8350_GPIO8_MR_IN 0x1 126 #define WM8350_GPIO8_VCC_FAULT_OUT 0x1 127 #define WM8350_GPIO8_ADCBCLK_IN 0x2 128 #define WM8350_GPIO8_ADCBCLK_OUT 0x2 129 #define WM8350_GPIO8_PWR_OFF_IN 0x3 130 #define WM8350_GPIO8_BATT_FAULT_OUT 0x3 131 #define WM8350_GPIO8_ALTSCL_IN 0xf 132 133 #define WM8350_GPIO9_GPIO_IN 0x0 134 #define WM8350_GPIO9_GPIO_OUT 0x0 135 #define WM8350_GPIO9_HEARTBEAT_IN 0x1 136 #define WM8350_GPIO9_VCC_FAULT_OUT 0x1 137 #define WM8350_GPIO9_MASK_IN 0x2 138 #define WM8350_GPIO9_LINE_GT_BATT_OUT 0x2 139 #define WM8350_GPIO9_PWR_OFF_IN 0x3 140 #define WM8350_GPIO9_BATT_FAULT_OUT 0x3 141 #define WM8350_GPIO9_ALTSDA_OUT 0xf 142 143 #define WM8350_GPIO10_GPIO_IN 0x0 144 #define WM8350_GPIO10_GPIO_OUT 0x0 145 #define WM8350_GPIO10_ISINKC_OUT 0x1 146 #define WM8350_GPIO10_PWR_OFF_IN 0x2 147 #define WM8350_GPIO10_LINE_GT_BATT_OUT 0x2 148 #define WM8350_GPIO10_CHD_IND_IN 0x3 149 150 #define WM8350_GPIO11_GPIO_IN 0x0 151 #define WM8350_GPIO11_GPIO_OUT 0x0 152 #define WM8350_GPIO11_ISINKD_OUT 0x1 153 #define WM8350_GPIO11_WAKEUP_IN 0x2 154 #define WM8350_GPIO11_LINE_GT_BATT_OUT 0x2 155 #define WM8350_GPIO11_CHD_IND_IN 0x3 156 157 #define WM8350_GPIO12_GPIO_IN 0x0 158 #define WM8350_GPIO12_GPIO_OUT 0x0 159 #define WM8350_GPIO12_ISINKE_OUT 0x1 160 #define WM8350_GPIO12_LINE_GT_BATT_OUT 0x2 161 #define WM8350_GPIO12_LINE_EN_OUT 0x3 162 #define WM8350_GPIO12_32KHZ_OUT 0x4 163 164 #define WM8350_GPIO_DIR_IN 0 165 #define WM8350_GPIO_DIR_OUT 1 166 #define WM8350_GPIO_ACTIVE_LOW 0 167 #define WM8350_GPIO_ACTIVE_HIGH 1 168 #define WM8350_GPIO_PULL_NONE 0 169 #define WM8350_GPIO_PULL_UP 1 170 #define WM8350_GPIO_PULL_DOWN 2 171 #define WM8350_GPIO_INVERT_OFF 0 172 #define WM8350_GPIO_INVERT_ON 1 173 #define WM8350_GPIO_DEBOUNCE_OFF 0 174 #define WM8350_GPIO_DEBOUNCE_ON 1 175 176 /* 177 * R30 (0x1E) - GPIO Interrupt Status 178 */ 179 #define WM8350_GP12_EINT 0x1000 180 #define WM8350_GP11_EINT 0x0800 181 #define WM8350_GP10_EINT 0x0400 182 #define WM8350_GP9_EINT 0x0200 183 #define WM8350_GP8_EINT 0x0100 184 #define WM8350_GP7_EINT 0x0080 185 #define WM8350_GP6_EINT 0x0040 186 #define WM8350_GP5_EINT 0x0020 187 #define WM8350_GP4_EINT 0x0010 188 #define WM8350_GP3_EINT 0x0008 189 #define WM8350_GP2_EINT 0x0004 190 #define WM8350_GP1_EINT 0x0002 191 #define WM8350_GP0_EINT 0x0001 192 193 194 /* 195 * R128 (0x80) - GPIO Debounce 196 */ 197 #define WM8350_GP12_DB 0x1000 198 #define WM8350_GP11_DB 0x0800 199 #define WM8350_GP10_DB 0x0400 200 #define WM8350_GP9_DB 0x0200 201 #define WM8350_GP8_DB 0x0100 202 #define WM8350_GP7_DB 0x0080 203 #define WM8350_GP6_DB 0x0040 204 #define WM8350_GP5_DB 0x0020 205 #define WM8350_GP4_DB 0x0010 206 #define WM8350_GP3_DB 0x0008 207 #define WM8350_GP2_DB 0x0004 208 #define WM8350_GP1_DB 0x0002 209 #define WM8350_GP0_DB 0x0001 210 211 /* 212 * R129 (0x81) - GPIO Pin pull up Control 213 */ 214 #define WM8350_GP12_PU 0x1000 215 #define WM8350_GP11_PU 0x0800 216 #define WM8350_GP10_PU 0x0400 217 #define WM8350_GP9_PU 0x0200 218 #define WM8350_GP8_PU 0x0100 219 #define WM8350_GP7_PU 0x0080 220 #define WM8350_GP6_PU 0x0040 221 #define WM8350_GP5_PU 0x0020 222 #define WM8350_GP4_PU 0x0010 223 #define WM8350_GP3_PU 0x0008 224 #define WM8350_GP2_PU 0x0004 225 #define WM8350_GP1_PU 0x0002 226 #define WM8350_GP0_PU 0x0001 227 228 /* 229 * R130 (0x82) - GPIO Pull down Control 230 */ 231 #define WM8350_GP12_PD 0x1000 232 #define WM8350_GP11_PD 0x0800 233 #define WM8350_GP10_PD 0x0400 234 #define WM8350_GP9_PD 0x0200 235 #define WM8350_GP8_PD 0x0100 236 #define WM8350_GP7_PD 0x0080 237 #define WM8350_GP6_PD 0x0040 238 #define WM8350_GP5_PD 0x0020 239 #define WM8350_GP4_PD 0x0010 240 #define WM8350_GP3_PD 0x0008 241 #define WM8350_GP2_PD 0x0004 242 #define WM8350_GP1_PD 0x0002 243 #define WM8350_GP0_PD 0x0001 244 245 /* 246 * R131 (0x83) - GPIO Interrupt Mode 247 */ 248 #define WM8350_GP12_INTMODE 0x1000 249 #define WM8350_GP11_INTMODE 0x0800 250 #define WM8350_GP10_INTMODE 0x0400 251 #define WM8350_GP9_INTMODE 0x0200 252 #define WM8350_GP8_INTMODE 0x0100 253 #define WM8350_GP7_INTMODE 0x0080 254 #define WM8350_GP6_INTMODE 0x0040 255 #define WM8350_GP5_INTMODE 0x0020 256 #define WM8350_GP4_INTMODE 0x0010 257 #define WM8350_GP3_INTMODE 0x0008 258 #define WM8350_GP2_INTMODE 0x0004 259 #define WM8350_GP1_INTMODE 0x0002 260 #define WM8350_GP0_INTMODE 0x0001 261 262 /* 263 * R133 (0x85) - GPIO Control 264 */ 265 #define WM8350_GP_DBTIME_MASK 0x00C0 266 267 /* 268 * R134 (0x86) - GPIO Configuration (i/o) 269 */ 270 #define WM8350_GP12_DIR 0x1000 271 #define WM8350_GP11_DIR 0x0800 272 #define WM8350_GP10_DIR 0x0400 273 #define WM8350_GP9_DIR 0x0200 274 #define WM8350_GP8_DIR 0x0100 275 #define WM8350_GP7_DIR 0x0080 276 #define WM8350_GP6_DIR 0x0040 277 #define WM8350_GP5_DIR 0x0020 278 #define WM8350_GP4_DIR 0x0010 279 #define WM8350_GP3_DIR 0x0008 280 #define WM8350_GP2_DIR 0x0004 281 #define WM8350_GP1_DIR 0x0002 282 #define WM8350_GP0_DIR 0x0001 283 284 /* 285 * R135 (0x87) - GPIO Pin Polarity / Type 286 */ 287 #define WM8350_GP12_CFG 0x1000 288 #define WM8350_GP11_CFG 0x0800 289 #define WM8350_GP10_CFG 0x0400 290 #define WM8350_GP9_CFG 0x0200 291 #define WM8350_GP8_CFG 0x0100 292 #define WM8350_GP7_CFG 0x0080 293 #define WM8350_GP6_CFG 0x0040 294 #define WM8350_GP5_CFG 0x0020 295 #define WM8350_GP4_CFG 0x0010 296 #define WM8350_GP3_CFG 0x0008 297 #define WM8350_GP2_CFG 0x0004 298 #define WM8350_GP1_CFG 0x0002 299 #define WM8350_GP0_CFG 0x0001 300 301 /* 302 * R140 (0x8C) - GPIO Function Select 1 303 */ 304 #define WM8350_GP3_FN_MASK 0xF000 305 #define WM8350_GP2_FN_MASK 0x0F00 306 #define WM8350_GP1_FN_MASK 0x00F0 307 #define WM8350_GP0_FN_MASK 0x000F 308 309 /* 310 * R141 (0x8D) - GPIO Function Select 2 311 */ 312 #define WM8350_GP7_FN_MASK 0xF000 313 #define WM8350_GP6_FN_MASK 0x0F00 314 #define WM8350_GP5_FN_MASK 0x00F0 315 #define WM8350_GP4_FN_MASK 0x000F 316 317 /* 318 * R142 (0x8E) - GPIO Function Select 3 319 */ 320 #define WM8350_GP11_FN_MASK 0xF000 321 #define WM8350_GP10_FN_MASK 0x0F00 322 #define WM8350_GP9_FN_MASK 0x00F0 323 #define WM8350_GP8_FN_MASK 0x000F 324 325 /* 326 * R143 (0x8F) - GPIO Function Select 4 327 */ 328 #define WM8350_GP12_FN_MASK 0x000F 329 330 /* 331 * R230 (0xE6) - GPIO Pin Status 332 */ 333 #define WM8350_GP12_LVL 0x1000 334 #define WM8350_GP11_LVL 0x0800 335 #define WM8350_GP10_LVL 0x0400 336 #define WM8350_GP9_LVL 0x0200 337 #define WM8350_GP8_LVL 0x0100 338 #define WM8350_GP7_LVL 0x0080 339 #define WM8350_GP6_LVL 0x0040 340 #define WM8350_GP5_LVL 0x0020 341 #define WM8350_GP4_LVL 0x0010 342 #define WM8350_GP3_LVL 0x0008 343 #define WM8350_GP2_LVL 0x0004 344 #define WM8350_GP1_LVL 0x0002 345 #define WM8350_GP0_LVL 0x0001 346 347 struct wm8350; 348 349 int wm8350_gpio_config(struct wm8350 *wm8350, int gpio, int dir, int func, 350 int pol, int pull, int invert, int debounce); 351 352 struct wm8350_gpio { 353 struct platform_device *pdev; 354 }; 355 356 /* 357 * GPIO Interrupts 358 */ 359 #define WM8350_IRQ_GPIO(x) (50 + x) 360 361 #endif 362