1 /* 2 * arch/arm/mach-pxa/include/mach/mfp.h 3 * 4 * Multi-Function Pin Definitions 5 * 6 * Copyright (C) 2007 Marvell International Ltd. 7 * 8 * 2007-8-21: eric miao <eric.miao@marvell.com> 9 * initial version 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License version 2 as 13 * published by the Free Software Foundation. 14 */ 15 16 #ifndef __ASM_ARCH_MFP_H 17 #define __ASM_ARCH_MFP_H 18 19 #define mfp_to_gpio(m) ((m) % 128) 20 21 /* list of all the configurable MFP pins */ 22 enum { 23 MFP_PIN_INVALID = -1, 24 25 MFP_PIN_GPIO0 = 0, 26 MFP_PIN_GPIO1, 27 MFP_PIN_GPIO2, 28 MFP_PIN_GPIO3, 29 MFP_PIN_GPIO4, 30 MFP_PIN_GPIO5, 31 MFP_PIN_GPIO6, 32 MFP_PIN_GPIO7, 33 MFP_PIN_GPIO8, 34 MFP_PIN_GPIO9, 35 MFP_PIN_GPIO10, 36 MFP_PIN_GPIO11, 37 MFP_PIN_GPIO12, 38 MFP_PIN_GPIO13, 39 MFP_PIN_GPIO14, 40 MFP_PIN_GPIO15, 41 MFP_PIN_GPIO16, 42 MFP_PIN_GPIO17, 43 MFP_PIN_GPIO18, 44 MFP_PIN_GPIO19, 45 MFP_PIN_GPIO20, 46 MFP_PIN_GPIO21, 47 MFP_PIN_GPIO22, 48 MFP_PIN_GPIO23, 49 MFP_PIN_GPIO24, 50 MFP_PIN_GPIO25, 51 MFP_PIN_GPIO26, 52 MFP_PIN_GPIO27, 53 MFP_PIN_GPIO28, 54 MFP_PIN_GPIO29, 55 MFP_PIN_GPIO30, 56 MFP_PIN_GPIO31, 57 MFP_PIN_GPIO32, 58 MFP_PIN_GPIO33, 59 MFP_PIN_GPIO34, 60 MFP_PIN_GPIO35, 61 MFP_PIN_GPIO36, 62 MFP_PIN_GPIO37, 63 MFP_PIN_GPIO38, 64 MFP_PIN_GPIO39, 65 MFP_PIN_GPIO40, 66 MFP_PIN_GPIO41, 67 MFP_PIN_GPIO42, 68 MFP_PIN_GPIO43, 69 MFP_PIN_GPIO44, 70 MFP_PIN_GPIO45, 71 MFP_PIN_GPIO46, 72 MFP_PIN_GPIO47, 73 MFP_PIN_GPIO48, 74 MFP_PIN_GPIO49, 75 MFP_PIN_GPIO50, 76 MFP_PIN_GPIO51, 77 MFP_PIN_GPIO52, 78 MFP_PIN_GPIO53, 79 MFP_PIN_GPIO54, 80 MFP_PIN_GPIO55, 81 MFP_PIN_GPIO56, 82 MFP_PIN_GPIO57, 83 MFP_PIN_GPIO58, 84 MFP_PIN_GPIO59, 85 MFP_PIN_GPIO60, 86 MFP_PIN_GPIO61, 87 MFP_PIN_GPIO62, 88 MFP_PIN_GPIO63, 89 MFP_PIN_GPIO64, 90 MFP_PIN_GPIO65, 91 MFP_PIN_GPIO66, 92 MFP_PIN_GPIO67, 93 MFP_PIN_GPIO68, 94 MFP_PIN_GPIO69, 95 MFP_PIN_GPIO70, 96 MFP_PIN_GPIO71, 97 MFP_PIN_GPIO72, 98 MFP_PIN_GPIO73, 99 MFP_PIN_GPIO74, 100 MFP_PIN_GPIO75, 101 MFP_PIN_GPIO76, 102 MFP_PIN_GPIO77, 103 MFP_PIN_GPIO78, 104 MFP_PIN_GPIO79, 105 MFP_PIN_GPIO80, 106 MFP_PIN_GPIO81, 107 MFP_PIN_GPIO82, 108 MFP_PIN_GPIO83, 109 MFP_PIN_GPIO84, 110 MFP_PIN_GPIO85, 111 MFP_PIN_GPIO86, 112 MFP_PIN_GPIO87, 113 MFP_PIN_GPIO88, 114 MFP_PIN_GPIO89, 115 MFP_PIN_GPIO90, 116 MFP_PIN_GPIO91, 117 MFP_PIN_GPIO92, 118 MFP_PIN_GPIO93, 119 MFP_PIN_GPIO94, 120 MFP_PIN_GPIO95, 121 MFP_PIN_GPIO96, 122 MFP_PIN_GPIO97, 123 MFP_PIN_GPIO98, 124 MFP_PIN_GPIO99, 125 MFP_PIN_GPIO100, 126 MFP_PIN_GPIO101, 127 MFP_PIN_GPIO102, 128 MFP_PIN_GPIO103, 129 MFP_PIN_GPIO104, 130 MFP_PIN_GPIO105, 131 MFP_PIN_GPIO106, 132 MFP_PIN_GPIO107, 133 MFP_PIN_GPIO108, 134 MFP_PIN_GPIO109, 135 MFP_PIN_GPIO110, 136 MFP_PIN_GPIO111, 137 MFP_PIN_GPIO112, 138 MFP_PIN_GPIO113, 139 MFP_PIN_GPIO114, 140 MFP_PIN_GPIO115, 141 MFP_PIN_GPIO116, 142 MFP_PIN_GPIO117, 143 MFP_PIN_GPIO118, 144 MFP_PIN_GPIO119, 145 MFP_PIN_GPIO120, 146 MFP_PIN_GPIO121, 147 MFP_PIN_GPIO122, 148 MFP_PIN_GPIO123, 149 MFP_PIN_GPIO124, 150 MFP_PIN_GPIO125, 151 MFP_PIN_GPIO126, 152 MFP_PIN_GPIO127, 153 MFP_PIN_GPIO0_2, 154 MFP_PIN_GPIO1_2, 155 MFP_PIN_GPIO2_2, 156 MFP_PIN_GPIO3_2, 157 MFP_PIN_GPIO4_2, 158 MFP_PIN_GPIO5_2, 159 MFP_PIN_GPIO6_2, 160 MFP_PIN_GPIO7_2, 161 MFP_PIN_GPIO8_2, 162 MFP_PIN_GPIO9_2, 163 MFP_PIN_GPIO10_2, 164 MFP_PIN_GPIO11_2, 165 MFP_PIN_GPIO12_2, 166 MFP_PIN_GPIO13_2, 167 MFP_PIN_GPIO14_2, 168 MFP_PIN_GPIO15_2, 169 MFP_PIN_GPIO16_2, 170 MFP_PIN_GPIO17_2, 171 172 MFP_PIN_ULPI_STP, 173 MFP_PIN_ULPI_NXT, 174 MFP_PIN_ULPI_DIR, 175 176 MFP_PIN_nXCVREN, 177 MFP_PIN_DF_CLE_nOE, 178 MFP_PIN_DF_nADV1_ALE, 179 MFP_PIN_DF_SCLK_E, 180 MFP_PIN_DF_SCLK_S, 181 MFP_PIN_nBE0, 182 MFP_PIN_nBE1, 183 MFP_PIN_DF_nADV2_ALE, 184 MFP_PIN_DF_INT_RnB, 185 MFP_PIN_DF_nCS0, 186 MFP_PIN_DF_nCS1, 187 MFP_PIN_nLUA, 188 MFP_PIN_nLLA, 189 MFP_PIN_DF_nWE, 190 MFP_PIN_DF_ALE_nWE, 191 MFP_PIN_DF_nRE_nOE, 192 MFP_PIN_DF_ADDR0, 193 MFP_PIN_DF_ADDR1, 194 MFP_PIN_DF_ADDR2, 195 MFP_PIN_DF_ADDR3, 196 MFP_PIN_DF_IO0, 197 MFP_PIN_DF_IO1, 198 MFP_PIN_DF_IO2, 199 MFP_PIN_DF_IO3, 200 MFP_PIN_DF_IO4, 201 MFP_PIN_DF_IO5, 202 MFP_PIN_DF_IO6, 203 MFP_PIN_DF_IO7, 204 MFP_PIN_DF_IO8, 205 MFP_PIN_DF_IO9, 206 MFP_PIN_DF_IO10, 207 MFP_PIN_DF_IO11, 208 MFP_PIN_DF_IO12, 209 MFP_PIN_DF_IO13, 210 MFP_PIN_DF_IO14, 211 MFP_PIN_DF_IO15, 212 213 /* additional pins on PXA930 */ 214 MFP_PIN_GSIM_UIO, 215 MFP_PIN_GSIM_UCLK, 216 MFP_PIN_GSIM_UDET, 217 MFP_PIN_GSIM_nURST, 218 MFP_PIN_PMIC_INT, 219 MFP_PIN_RDY, 220 221 MFP_PIN_MAX, 222 }; 223 224 /* 225 * a possible MFP configuration is represented by a 32-bit integer 226 * 227 * bit 0.. 9 - MFP Pin Number (1024 Pins Maximum) 228 * bit 10..12 - Alternate Function Selection 229 * bit 13..15 - Drive Strength 230 * bit 16..18 - Low Power Mode State 231 * bit 19..20 - Low Power Mode Edge Detection 232 * bit 21..22 - Run Mode Pull State 233 * 234 * to facilitate the definition, the following macros are provided 235 * 236 * MFP_CFG_DEFAULT - default MFP configuration value, with 237 * alternate function = 0, 238 * drive strength = fast 3mA (MFP_DS03X) 239 * low power mode = default 240 * edge detection = none 241 * 242 * MFP_CFG - default MFPR value with alternate function 243 * MFP_CFG_DRV - default MFPR value with alternate function and 244 * pin drive strength 245 * MFP_CFG_LPM - default MFPR value with alternate function and 246 * low power mode 247 * MFP_CFG_X - default MFPR value with alternate function, 248 * pin drive strength and low power mode 249 */ 250 251 typedef unsigned long mfp_cfg_t; 252 253 #define MFP_PIN(x) ((x) & 0x3ff) 254 255 #define MFP_AF0 (0x0 << 10) 256 #define MFP_AF1 (0x1 << 10) 257 #define MFP_AF2 (0x2 << 10) 258 #define MFP_AF3 (0x3 << 10) 259 #define MFP_AF4 (0x4 << 10) 260 #define MFP_AF5 (0x5 << 10) 261 #define MFP_AF6 (0x6 << 10) 262 #define MFP_AF7 (0x7 << 10) 263 #define MFP_AF_MASK (0x7 << 10) 264 #define MFP_AF(x) (((x) >> 10) & 0x7) 265 266 #define MFP_DS01X (0x0 << 13) 267 #define MFP_DS02X (0x1 << 13) 268 #define MFP_DS03X (0x2 << 13) 269 #define MFP_DS04X (0x3 << 13) 270 #define MFP_DS06X (0x4 << 13) 271 #define MFP_DS08X (0x5 << 13) 272 #define MFP_DS10X (0x6 << 13) 273 #define MFP_DS13X (0x7 << 13) 274 #define MFP_DS_MASK (0x7 << 13) 275 #define MFP_DS(x) (((x) >> 13) & 0x7) 276 277 #define MFP_LPM_DEFAULT (0x0 << 16) 278 #define MFP_LPM_DRIVE_LOW (0x1 << 16) 279 #define MFP_LPM_DRIVE_HIGH (0x2 << 16) 280 #define MFP_LPM_PULL_LOW (0x3 << 16) 281 #define MFP_LPM_PULL_HIGH (0x4 << 16) 282 #define MFP_LPM_FLOAT (0x5 << 16) 283 #define MFP_LPM_INPUT (0x6 << 16) 284 #define MFP_LPM_STATE_MASK (0x7 << 16) 285 #define MFP_LPM_STATE(x) (((x) >> 16) & 0x7) 286 287 #define MFP_LPM_EDGE_NONE (0x0 << 19) 288 #define MFP_LPM_EDGE_RISE (0x1 << 19) 289 #define MFP_LPM_EDGE_FALL (0x2 << 19) 290 #define MFP_LPM_EDGE_BOTH (0x3 << 19) 291 #define MFP_LPM_EDGE_MASK (0x3 << 19) 292 #define MFP_LPM_EDGE(x) (((x) >> 19) & 0x3) 293 294 #define MFP_PULL_NONE (0x0 << 21) 295 #define MFP_PULL_LOW (0x1 << 21) 296 #define MFP_PULL_HIGH (0x2 << 21) 297 #define MFP_PULL_BOTH (0x3 << 21) 298 #define MFP_PULL_MASK (0x3 << 21) 299 #define MFP_PULL(x) (((x) >> 21) & 0x3) 300 301 #define MFP_CFG_DEFAULT (MFP_AF0 | MFP_DS03X | MFP_LPM_DEFAULT |\ 302 MFP_LPM_EDGE_NONE | MFP_PULL_NONE) 303 304 #define MFP_CFG(pin, af) \ 305 ((MFP_CFG_DEFAULT & ~MFP_AF_MASK) |\ 306 (MFP_PIN(MFP_PIN_##pin) | MFP_##af)) 307 308 #define MFP_CFG_DRV(pin, af, drv) \ 309 ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK)) |\ 310 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv)) 311 312 #define MFP_CFG_LPM(pin, af, lpm) \ 313 ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_LPM_STATE_MASK)) |\ 314 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_LPM_##lpm)) 315 316 #define MFP_CFG_X(pin, af, drv, lpm) \ 317 ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK | MFP_LPM_STATE_MASK)) |\ 318 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv | MFP_LPM_##lpm)) 319 320 #endif /* __ASM_ARCH_MFP_H */ 321