Mark Brown | 0c42e0b | 2008-10-10 15:58:04 +0100 | [diff] [blame] | 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 | |
Mark Brown | add41cb | 2008-10-13 15:45:22 +0100 | [diff] [blame] | 16 | #include <linux/platform_device.h> |
| 17 | |
Mark Brown | 0c42e0b | 2008-10-10 15:58:04 +0100 | [diff] [blame] | 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 | |
| 33 | /* |
| 34 | * GPIO Functions |
| 35 | */ |
| 36 | #define WM8350_GPIO0_GPIO_IN 0x0 |
| 37 | #define WM8350_GPIO0_GPIO_OUT 0x0 |
| 38 | #define WM8350_GPIO0_PWR_ON_IN 0x1 |
| 39 | #define WM8350_GPIO0_PWR_ON_OUT 0x1 |
| 40 | #define WM8350_GPIO0_LDO_EN_IN 0x2 |
| 41 | #define WM8350_GPIO0_VRTC_OUT 0x2 |
| 42 | #define WM8350_GPIO0_LPWR1_IN 0x3 |
| 43 | #define WM8350_GPIO0_POR_B_OUT 0x3 |
| 44 | |
| 45 | #define WM8350_GPIO1_GPIO_IN 0x0 |
| 46 | #define WM8350_GPIO1_GPIO_OUT 0x0 |
| 47 | #define WM8350_GPIO1_PWR_ON_IN 0x1 |
| 48 | #define WM8350_GPIO1_DO_CONF_OUT 0x1 |
| 49 | #define WM8350_GPIO1_LDO_EN_IN 0x2 |
| 50 | #define WM8350_GPIO1_RESET_OUT 0x2 |
| 51 | #define WM8350_GPIO1_LPWR2_IN 0x3 |
| 52 | #define WM8350_GPIO1_MEMRST_OUT 0x3 |
| 53 | |
| 54 | #define WM8350_GPIO2_GPIO_IN 0x0 |
| 55 | #define WM8350_GPIO2_GPIO_OUT 0x0 |
| 56 | #define WM8350_GPIO2_PWR_ON_IN 0x1 |
| 57 | #define WM8350_GPIO2_PWR_ON_OUT 0x1 |
| 58 | #define WM8350_GPIO2_WAKE_UP_IN 0x2 |
| 59 | #define WM8350_GPIO2_VRTC_OUT 0x2 |
| 60 | #define WM8350_GPIO2_32KHZ_IN 0x3 |
| 61 | #define WM8350_GPIO2_32KHZ_OUT 0x3 |
| 62 | |
| 63 | #define WM8350_GPIO3_GPIO_IN 0x0 |
| 64 | #define WM8350_GPIO3_GPIO_OUT 0x0 |
| 65 | #define WM8350_GPIO3_PWR_ON_IN 0x1 |
| 66 | #define WM8350_GPIO3_P_CLK_OUT 0x1 |
| 67 | #define WM8350_GPIO3_LDO_EN_IN 0x2 |
| 68 | #define WM8350_GPIO3_VRTC_OUT 0x2 |
| 69 | #define WM8350_GPIO3_PWR_OFF_IN 0x3 |
| 70 | #define WM8350_GPIO3_32KHZ_OUT 0x3 |
| 71 | |
| 72 | #define WM8350_GPIO4_GPIO_IN 0x0 |
| 73 | #define WM8350_GPIO4_GPIO_OUT 0x0 |
| 74 | #define WM8350_GPIO4_MR_IN 0x1 |
| 75 | #define WM8350_GPIO4_MEM_RST_OUT 0x1 |
| 76 | #define WM8350_GPIO4_FLASH_IN 0x2 |
| 77 | #define WM8350_GPIO4_ADA_OUT 0x2 |
| 78 | #define WM8350_GPIO4_HIBERNATE_IN 0x3 |
| 79 | #define WM8350_GPIO4_FLASH_OUT 0x3 |
| 80 | #define WM8350_GPIO4_MICDET_OUT 0x4 |
| 81 | #define WM8350_GPIO4_MICSHT_OUT 0x5 |
| 82 | |
| 83 | #define WM8350_GPIO5_GPIO_IN 0x0 |
| 84 | #define WM8350_GPIO5_GPIO_OUT 0x0 |
| 85 | #define WM8350_GPIO5_LPWR1_IN 0x1 |
| 86 | #define WM8350_GPIO5_P_CLK_OUT 0x1 |
| 87 | #define WM8350_GPIO5_ADCLRCLK_IN 0x2 |
| 88 | #define WM8350_GPIO5_ADCLRCLK_OUT 0x2 |
| 89 | #define WM8350_GPIO5_HIBERNATE_IN 0x3 |
| 90 | #define WM8350_GPIO5_32KHZ_OUT 0x3 |
| 91 | #define WM8350_GPIO5_MICDET_OUT 0x4 |
| 92 | #define WM8350_GPIO5_MICSHT_OUT 0x5 |
| 93 | #define WM8350_GPIO5_ADA_OUT 0x6 |
| 94 | #define WM8350_GPIO5_OPCLK_OUT 0x7 |
| 95 | |
| 96 | #define WM8350_GPIO6_GPIO_IN 0x0 |
| 97 | #define WM8350_GPIO6_GPIO_OUT 0x0 |
| 98 | #define WM8350_GPIO6_LPWR2_IN 0x1 |
| 99 | #define WM8350_GPIO6_MEMRST_OUT 0x1 |
| 100 | #define WM8350_GPIO6_FLASH_IN 0x2 |
| 101 | #define WM8350_GPIO6_ADA_OUT 0x2 |
| 102 | #define WM8350_GPIO6_HIBERNATE_IN 0x3 |
| 103 | #define WM8350_GPIO6_RTC_OUT 0x3 |
| 104 | #define WM8350_GPIO6_MICDET_OUT 0x4 |
| 105 | #define WM8350_GPIO6_MICSHT_OUT 0x5 |
| 106 | #define WM8350_GPIO6_ADCLRCLKB_OUT 0x6 |
| 107 | #define WM8350_GPIO6_SDOUT_OUT 0x7 |
| 108 | |
| 109 | #define WM8350_GPIO7_GPIO_IN 0x0 |
| 110 | #define WM8350_GPIO7_GPIO_OUT 0x0 |
| 111 | #define WM8350_GPIO7_LPWR3_IN 0x1 |
| 112 | #define WM8350_GPIO7_P_CLK_OUT 0x1 |
| 113 | #define WM8350_GPIO7_MASK_IN 0x2 |
| 114 | #define WM8350_GPIO7_VCC_FAULT_OUT 0x2 |
| 115 | #define WM8350_GPIO7_HIBERNATE_IN 0x3 |
| 116 | #define WM8350_GPIO7_BATT_FAULT_OUT 0x3 |
| 117 | #define WM8350_GPIO7_MICDET_OUT 0x4 |
| 118 | #define WM8350_GPIO7_MICSHT_OUT 0x5 |
| 119 | #define WM8350_GPIO7_ADA_OUT 0x6 |
| 120 | #define WM8350_GPIO7_CSB_IN 0x7 |
| 121 | |
| 122 | #define WM8350_GPIO8_GPIO_IN 0x0 |
| 123 | #define WM8350_GPIO8_GPIO_OUT 0x0 |
| 124 | #define WM8350_GPIO8_MR_IN 0x1 |
| 125 | #define WM8350_GPIO8_VCC_FAULT_OUT 0x1 |
| 126 | #define WM8350_GPIO8_ADCBCLK_IN 0x2 |
| 127 | #define WM8350_GPIO8_ADCBCLK_OUT 0x2 |
| 128 | #define WM8350_GPIO8_PWR_OFF_IN 0x3 |
| 129 | #define WM8350_GPIO8_BATT_FAULT_OUT 0x3 |
| 130 | #define WM8350_GPIO8_ALTSCL_IN 0xf |
| 131 | |
| 132 | #define WM8350_GPIO9_GPIO_IN 0x0 |
| 133 | #define WM8350_GPIO9_GPIO_OUT 0x0 |
| 134 | #define WM8350_GPIO9_HEARTBEAT_IN 0x1 |
| 135 | #define WM8350_GPIO9_VCC_FAULT_OUT 0x1 |
| 136 | #define WM8350_GPIO9_MASK_IN 0x2 |
| 137 | #define WM8350_GPIO9_LINE_GT_BATT_OUT 0x2 |
| 138 | #define WM8350_GPIO9_PWR_OFF_IN 0x3 |
| 139 | #define WM8350_GPIO9_BATT_FAULT_OUT 0x3 |
| 140 | #define WM8350_GPIO9_ALTSDA_OUT 0xf |
| 141 | |
| 142 | #define WM8350_GPIO10_GPIO_IN 0x0 |
| 143 | #define WM8350_GPIO10_GPIO_OUT 0x0 |
| 144 | #define WM8350_GPIO10_ISINKC_OUT 0x1 |
| 145 | #define WM8350_GPIO10_PWR_OFF_IN 0x2 |
| 146 | #define WM8350_GPIO10_LINE_GT_BATT_OUT 0x2 |
| 147 | #define WM8350_GPIO10_CHD_IND_IN 0x3 |
| 148 | |
| 149 | #define WM8350_GPIO11_GPIO_IN 0x0 |
| 150 | #define WM8350_GPIO11_GPIO_OUT 0x0 |
| 151 | #define WM8350_GPIO11_ISINKD_OUT 0x1 |
| 152 | #define WM8350_GPIO11_WAKEUP_IN 0x2 |
| 153 | #define WM8350_GPIO11_LINE_GT_BATT_OUT 0x2 |
| 154 | #define WM8350_GPIO11_CHD_IND_IN 0x3 |
| 155 | |
| 156 | #define WM8350_GPIO12_GPIO_IN 0x0 |
| 157 | #define WM8350_GPIO12_GPIO_OUT 0x0 |
| 158 | #define WM8350_GPIO12_ISINKE_OUT 0x1 |
| 159 | #define WM8350_GPIO12_LINE_GT_BATT_OUT 0x2 |
| 160 | #define WM8350_GPIO12_LINE_EN_OUT 0x3 |
| 161 | #define WM8350_GPIO12_32KHZ_OUT 0x4 |
| 162 | |
| 163 | #define WM8350_GPIO_DIR_IN 0 |
| 164 | #define WM8350_GPIO_DIR_OUT 1 |
| 165 | #define WM8350_GPIO_ACTIVE_LOW 0 |
| 166 | #define WM8350_GPIO_ACTIVE_HIGH 1 |
| 167 | #define WM8350_GPIO_PULL_NONE 0 |
| 168 | #define WM8350_GPIO_PULL_UP 1 |
| 169 | #define WM8350_GPIO_PULL_DOWN 2 |
| 170 | #define WM8350_GPIO_INVERT_OFF 0 |
| 171 | #define WM8350_GPIO_INVERT_ON 1 |
| 172 | #define WM8350_GPIO_DEBOUNCE_OFF 0 |
| 173 | #define WM8350_GPIO_DEBOUNCE_ON 1 |
| 174 | |
| 175 | /* |
| 176 | * R128 (0x80) - GPIO Debounce |
| 177 | */ |
| 178 | #define WM8350_GP12_DB 0x1000 |
| 179 | #define WM8350_GP11_DB 0x0800 |
| 180 | #define WM8350_GP10_DB 0x0400 |
| 181 | #define WM8350_GP9_DB 0x0200 |
| 182 | #define WM8350_GP8_DB 0x0100 |
| 183 | #define WM8350_GP7_DB 0x0080 |
| 184 | #define WM8350_GP6_DB 0x0040 |
| 185 | #define WM8350_GP5_DB 0x0020 |
| 186 | #define WM8350_GP4_DB 0x0010 |
| 187 | #define WM8350_GP3_DB 0x0008 |
| 188 | #define WM8350_GP2_DB 0x0004 |
| 189 | #define WM8350_GP1_DB 0x0002 |
| 190 | #define WM8350_GP0_DB 0x0001 |
| 191 | |
| 192 | /* |
| 193 | * R129 (0x81) - GPIO Pin pull up Control |
| 194 | */ |
| 195 | #define WM8350_GP12_PU 0x1000 |
| 196 | #define WM8350_GP11_PU 0x0800 |
| 197 | #define WM8350_GP10_PU 0x0400 |
| 198 | #define WM8350_GP9_PU 0x0200 |
| 199 | #define WM8350_GP8_PU 0x0100 |
| 200 | #define WM8350_GP7_PU 0x0080 |
| 201 | #define WM8350_GP6_PU 0x0040 |
| 202 | #define WM8350_GP5_PU 0x0020 |
| 203 | #define WM8350_GP4_PU 0x0010 |
| 204 | #define WM8350_GP3_PU 0x0008 |
| 205 | #define WM8350_GP2_PU 0x0004 |
| 206 | #define WM8350_GP1_PU 0x0002 |
| 207 | #define WM8350_GP0_PU 0x0001 |
| 208 | |
| 209 | /* |
| 210 | * R130 (0x82) - GPIO Pull down Control |
| 211 | */ |
| 212 | #define WM8350_GP12_PD 0x1000 |
| 213 | #define WM8350_GP11_PD 0x0800 |
| 214 | #define WM8350_GP10_PD 0x0400 |
| 215 | #define WM8350_GP9_PD 0x0200 |
| 216 | #define WM8350_GP8_PD 0x0100 |
| 217 | #define WM8350_GP7_PD 0x0080 |
| 218 | #define WM8350_GP6_PD 0x0040 |
| 219 | #define WM8350_GP5_PD 0x0020 |
| 220 | #define WM8350_GP4_PD 0x0010 |
| 221 | #define WM8350_GP3_PD 0x0008 |
| 222 | #define WM8350_GP2_PD 0x0004 |
| 223 | #define WM8350_GP1_PD 0x0002 |
| 224 | #define WM8350_GP0_PD 0x0001 |
| 225 | |
| 226 | /* |
| 227 | * R131 (0x83) - GPIO Interrupt Mode |
| 228 | */ |
| 229 | #define WM8350_GP12_INTMODE 0x1000 |
| 230 | #define WM8350_GP11_INTMODE 0x0800 |
| 231 | #define WM8350_GP10_INTMODE 0x0400 |
| 232 | #define WM8350_GP9_INTMODE 0x0200 |
| 233 | #define WM8350_GP8_INTMODE 0x0100 |
| 234 | #define WM8350_GP7_INTMODE 0x0080 |
| 235 | #define WM8350_GP6_INTMODE 0x0040 |
| 236 | #define WM8350_GP5_INTMODE 0x0020 |
| 237 | #define WM8350_GP4_INTMODE 0x0010 |
| 238 | #define WM8350_GP3_INTMODE 0x0008 |
| 239 | #define WM8350_GP2_INTMODE 0x0004 |
| 240 | #define WM8350_GP1_INTMODE 0x0002 |
| 241 | #define WM8350_GP0_INTMODE 0x0001 |
| 242 | |
| 243 | /* |
| 244 | * R133 (0x85) - GPIO Control |
| 245 | */ |
| 246 | #define WM8350_GP_DBTIME_MASK 0x00C0 |
| 247 | |
| 248 | /* |
| 249 | * R134 (0x86) - GPIO Configuration (i/o) |
| 250 | */ |
| 251 | #define WM8350_GP12_DIR 0x1000 |
| 252 | #define WM8350_GP11_DIR 0x0800 |
| 253 | #define WM8350_GP10_DIR 0x0400 |
| 254 | #define WM8350_GP9_DIR 0x0200 |
| 255 | #define WM8350_GP8_DIR 0x0100 |
| 256 | #define WM8350_GP7_DIR 0x0080 |
| 257 | #define WM8350_GP6_DIR 0x0040 |
| 258 | #define WM8350_GP5_DIR 0x0020 |
| 259 | #define WM8350_GP4_DIR 0x0010 |
| 260 | #define WM8350_GP3_DIR 0x0008 |
| 261 | #define WM8350_GP2_DIR 0x0004 |
| 262 | #define WM8350_GP1_DIR 0x0002 |
| 263 | #define WM8350_GP0_DIR 0x0001 |
| 264 | |
| 265 | /* |
| 266 | * R135 (0x87) - GPIO Pin Polarity / Type |
| 267 | */ |
| 268 | #define WM8350_GP12_CFG 0x1000 |
| 269 | #define WM8350_GP11_CFG 0x0800 |
| 270 | #define WM8350_GP10_CFG 0x0400 |
| 271 | #define WM8350_GP9_CFG 0x0200 |
| 272 | #define WM8350_GP8_CFG 0x0100 |
| 273 | #define WM8350_GP7_CFG 0x0080 |
| 274 | #define WM8350_GP6_CFG 0x0040 |
| 275 | #define WM8350_GP5_CFG 0x0020 |
| 276 | #define WM8350_GP4_CFG 0x0010 |
| 277 | #define WM8350_GP3_CFG 0x0008 |
| 278 | #define WM8350_GP2_CFG 0x0004 |
| 279 | #define WM8350_GP1_CFG 0x0002 |
| 280 | #define WM8350_GP0_CFG 0x0001 |
| 281 | |
| 282 | /* |
| 283 | * R140 (0x8C) - GPIO Function Select 1 |
| 284 | */ |
| 285 | #define WM8350_GP3_FN_MASK 0xF000 |
| 286 | #define WM8350_GP2_FN_MASK 0x0F00 |
| 287 | #define WM8350_GP1_FN_MASK 0x00F0 |
| 288 | #define WM8350_GP0_FN_MASK 0x000F |
| 289 | |
| 290 | /* |
| 291 | * R141 (0x8D) - GPIO Function Select 2 |
| 292 | */ |
| 293 | #define WM8350_GP7_FN_MASK 0xF000 |
| 294 | #define WM8350_GP6_FN_MASK 0x0F00 |
| 295 | #define WM8350_GP5_FN_MASK 0x00F0 |
| 296 | #define WM8350_GP4_FN_MASK 0x000F |
| 297 | |
| 298 | /* |
| 299 | * R142 (0x8E) - GPIO Function Select 3 |
| 300 | */ |
| 301 | #define WM8350_GP11_FN_MASK 0xF000 |
| 302 | #define WM8350_GP10_FN_MASK 0x0F00 |
| 303 | #define WM8350_GP9_FN_MASK 0x00F0 |
| 304 | #define WM8350_GP8_FN_MASK 0x000F |
| 305 | |
| 306 | /* |
| 307 | * R143 (0x8F) - GPIO Function Select 4 |
| 308 | */ |
| 309 | #define WM8350_GP12_FN_MASK 0x000F |
| 310 | |
| 311 | /* |
| 312 | * R230 (0xE6) - GPIO Pin Status |
| 313 | */ |
| 314 | #define WM8350_GP12_LVL 0x1000 |
| 315 | #define WM8350_GP11_LVL 0x0800 |
| 316 | #define WM8350_GP10_LVL 0x0400 |
| 317 | #define WM8350_GP9_LVL 0x0200 |
| 318 | #define WM8350_GP8_LVL 0x0100 |
| 319 | #define WM8350_GP7_LVL 0x0080 |
| 320 | #define WM8350_GP6_LVL 0x0040 |
| 321 | #define WM8350_GP5_LVL 0x0020 |
| 322 | #define WM8350_GP4_LVL 0x0010 |
| 323 | #define WM8350_GP3_LVL 0x0008 |
| 324 | #define WM8350_GP2_LVL 0x0004 |
| 325 | #define WM8350_GP1_LVL 0x0002 |
| 326 | #define WM8350_GP0_LVL 0x0001 |
| 327 | |
Mark Brown | 0e72039 | 2008-10-10 15:58:12 +0100 | [diff] [blame] | 328 | struct wm8350; |
| 329 | |
| 330 | int wm8350_gpio_config(struct wm8350 *wm8350, int gpio, int dir, int func, |
| 331 | int pol, int pull, int invert, int debounce); |
| 332 | |
Mark Brown | add41cb | 2008-10-13 15:45:22 +0100 | [diff] [blame] | 333 | struct wm8350_gpio { |
| 334 | struct platform_device *pdev; |
| 335 | }; |
| 336 | |
Mark Brown | 0e72039 | 2008-10-10 15:58:12 +0100 | [diff] [blame] | 337 | /* |
| 338 | * GPIO Interrupts |
| 339 | */ |
| 340 | #define WM8350_IRQ_GPIO(x) (50 + x) |
| 341 | |
Mark Brown | 0c42e0b | 2008-10-10 15:58:04 +0100 | [diff] [blame] | 342 | #endif |