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 347struct wm8350; 348 349int wm8350_gpio_config(struct wm8350 *wm8350, int gpio, int dir, int func, 350 int pol, int pull, int invert, int debounce); 351 352struct 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