1 /* 2 * Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms and conditions of the GNU General Public License, 6 * version 2, as published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 11 * more details. 12 * 13 * You should have received a copy of the GNU General Public License 14 * along with this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16 17 #ifndef _TEGRA114_PINMUX_H_ 18 #define _TEGRA114_PINMUX_H_ 19 20 /* 21 * Pin groups which we adjust. There are three basic attributes of each pin 22 * group which use this enum: 23 * 24 * - function 25 * - pullup / pulldown 26 * - tristate or normal 27 */ 28 enum pmux_pingrp { 29 PINGRP_ULPI_DATA0 = 0, /* offset 0x3000 */ 30 PINGRP_ULPI_DATA1, 31 PINGRP_ULPI_DATA2, 32 PINGRP_ULPI_DATA3, 33 PINGRP_ULPI_DATA4, 34 PINGRP_ULPI_DATA5, 35 PINGRP_ULPI_DATA6, 36 PINGRP_ULPI_DATA7, 37 PINGRP_ULPI_CLK, 38 PINGRP_ULPI_DIR, 39 PINGRP_ULPI_NXT, 40 PINGRP_ULPI_STP, 41 PINGRP_DAP3_FS, 42 PINGRP_DAP3_DIN, 43 PINGRP_DAP3_DOUT, 44 PINGRP_DAP3_SCLK, 45 PINGRP_GPIO_PV0, 46 PINGRP_GPIO_PV1, 47 PINGRP_SDMMC1_CLK, 48 PINGRP_SDMMC1_CMD, 49 PINGRP_SDMMC1_DAT3, 50 PINGRP_SDMMC1_DAT2, 51 PINGRP_SDMMC1_DAT1, 52 PINGRP_SDMMC1_DAT0, 53 PINGRP_CLK2_OUT = PINGRP_SDMMC1_DAT0 + 3, 54 PINGRP_CLK2_REQ, 55 PINGRP_HDMI_INT = PINGRP_CLK2_REQ + 41, 56 PINGRP_DDC_SCL, 57 PINGRP_DDC_SDA, 58 PINGRP_UART2_RXD = PINGRP_DDC_SDA + 19, 59 PINGRP_UART2_TXD, 60 PINGRP_UART2_RTS_N, 61 PINGRP_UART2_CTS_N, 62 PINGRP_UART3_TXD, 63 PINGRP_UART3_RXD, 64 PINGRP_UART3_CTS_N, 65 PINGRP_UART3_RTS_N, 66 PINGRP_GPIO_PU0, 67 PINGRP_GPIO_PU1, 68 PINGRP_GPIO_PU2, 69 PINGRP_GPIO_PU3, 70 PINGRP_GPIO_PU4, 71 PINGRP_GPIO_PU5, 72 PINGRP_GPIO_PU6, 73 PINGRP_GEN1_I2C_SDA, 74 PINGRP_GEN1_I2C_SCL, 75 PINGRP_DAP4_FS, 76 PINGRP_DAP4_DIN, 77 PINGRP_DAP4_DOUT, 78 PINGRP_DAP4_SCLK, 79 PINGRP_CLK3_OUT, 80 PINGRP_CLK3_REQ, 81 PINGRP_GMI_WP_N, 82 PINGRP_GMI_IORDY, 83 PINGRP_GMI_WAIT, 84 PINGRP_GMI_ADV_N, 85 PINGRP_GMI_CLK, 86 PINGRP_GMI_CS0_N, 87 PINGRP_GMI_CS1_N, 88 PINGRP_GMI_CS2_N, 89 PINGRP_GMI_CS3_N, 90 PINGRP_GMI_CS4_N, 91 PINGRP_GMI_CS6_N, 92 PINGRP_GMI_CS7_N, 93 PINGRP_GMI_AD0, 94 PINGRP_GMI_AD1, 95 PINGRP_GMI_AD2, 96 PINGRP_GMI_AD3, 97 PINGRP_GMI_AD4, 98 PINGRP_GMI_AD5, 99 PINGRP_GMI_AD6, 100 PINGRP_GMI_AD7, 101 PINGRP_GMI_AD8, 102 PINGRP_GMI_AD9, 103 PINGRP_GMI_AD10, 104 PINGRP_GMI_AD11, 105 PINGRP_GMI_AD12, 106 PINGRP_GMI_AD13, 107 PINGRP_GMI_AD14, 108 PINGRP_GMI_AD15, 109 PINGRP_GMI_A16, 110 PINGRP_GMI_A17, 111 PINGRP_GMI_A18, 112 PINGRP_GMI_A19, 113 PINGRP_GMI_WR_N, 114 PINGRP_GMI_OE_N, 115 PINGRP_GMI_DQS, 116 PINGRP_GMI_RST_N, 117 PINGRP_GEN2_I2C_SCL, 118 PINGRP_GEN2_I2C_SDA, 119 PINGRP_SDMMC4_CLK, 120 PINGRP_SDMMC4_CMD, 121 PINGRP_SDMMC4_DAT0, 122 PINGRP_SDMMC4_DAT1, 123 PINGRP_SDMMC4_DAT2, 124 PINGRP_SDMMC4_DAT3, 125 PINGRP_SDMMC4_DAT4, 126 PINGRP_SDMMC4_DAT5, 127 PINGRP_SDMMC4_DAT6, 128 PINGRP_SDMMC4_DAT7, 129 PINGRP_CAM_MCLK = PINGRP_SDMMC4_DAT7 + 2, 130 PINGRP_GPIO_PCC1, 131 PINGRP_GPIO_PBB0, 132 PINGRP_CAM_I2C_SCL, 133 PINGRP_CAM_I2C_SDA, 134 PINGRP_GPIO_PBB3, 135 PINGRP_GPIO_PBB4, 136 PINGRP_GPIO_PBB5, 137 PINGRP_GPIO_PBB6, 138 PINGRP_GPIO_PBB7, 139 PINGRP_GPIO_PCC2, 140 PINGRP_JTAG_RTCK, 141 PINGRP_PWR_I2C_SCL, 142 PINGRP_PWR_I2C_SDA, 143 PINGRP_KB_ROW0, 144 PINGRP_KB_ROW1, 145 PINGRP_KB_ROW2, 146 PINGRP_KB_ROW3, 147 PINGRP_KB_ROW4, 148 PINGRP_KB_ROW5, 149 PINGRP_KB_ROW6, 150 PINGRP_KB_ROW7, 151 PINGRP_KB_ROW8, 152 PINGRP_KB_ROW9, 153 PINGRP_KB_ROW10, 154 PINGRP_KB_COL0 = PINGRP_KB_ROW10 + 6, 155 PINGRP_KB_COL1, 156 PINGRP_KB_COL2, 157 PINGRP_KB_COL3, 158 PINGRP_KB_COL4, 159 PINGRP_KB_COL5, 160 PINGRP_KB_COL6, 161 PINGRP_KB_COL7, 162 PINGRP_CLK_32K_OUT, 163 PINGRP_SYS_CLK_REQ, 164 PINGRP_CORE_PWR_REQ, 165 PINGRP_CPU_PWR_REQ, 166 PINGRP_PWR_INT_N, 167 PINGRP_CLK_32K_IN, 168 PINGRP_OWR, 169 PINGRP_DAP1_FS, 170 PINGRP_DAP1_DIN, 171 PINGRP_DAP1_DOUT, 172 PINGRP_DAP1_SCLK, 173 PINGRP_CLK1_REQ, 174 PINGRP_CLK1_OUT, 175 PINGRP_SPDIF_IN, 176 PINGRP_SPDIF_OUT, 177 PINGRP_DAP2_FS, 178 PINGRP_DAP2_DIN, 179 PINGRP_DAP2_DOUT, 180 PINGRP_DAP2_SCLK, 181 PINGRP_DVFS_PWM, 182 PINGRP_GPIO_X1_AUD, 183 PINGRP_GPIO_X3_AUD, 184 PINGRP_DVFS_CLK, 185 PINGRP_GPIO_X4_AUD, 186 PINGRP_GPIO_X5_AUD, 187 PINGRP_GPIO_X6_AUD, 188 PINGRP_GPIO_X7_AUD, 189 PINGRP_SDMMC3_CLK = PINGRP_GPIO_X7_AUD + 3, 190 PINGRP_SDMMC3_CMD, 191 PINGRP_SDMMC3_DAT0, 192 PINGRP_SDMMC3_DAT1, 193 PINGRP_SDMMC3_DAT2, 194 PINGRP_SDMMC3_DAT3, 195 PINGRP_HDMI_CEC = PINGRP_SDMMC3_DAT3 + 15, /* offset 0x33e0 */ 196 PINGRP_SDMMC1_WP_N, 197 PINGRP_SDMMC3_CD_N, 198 PINGRP_GPIO_W2_AUD, 199 PINGRP_GPIO_W3_AUD, 200 PINGRP_USB_VBUS_EN0, /* offset 0x33f4 */ 201 PINGRP_USB_VBUS_EN1, 202 PINGRP_SDMMC3_CLK_LB_IN, 203 PINGRP_SDMMC3_CLK_LB_OUT, 204 PINGRP_RESET_OUT_N = PINGRP_SDMMC3_CLK_LB_OUT + 2, 205 PINGRP_COUNT, 206 }; 207 208 enum pdrive_pingrp { 209 PDRIVE_PINGROUP_AO1 = 0, /* offset 0x868 */ 210 PDRIVE_PINGROUP_AO2, 211 PDRIVE_PINGROUP_AT1, 212 PDRIVE_PINGROUP_AT2, 213 PDRIVE_PINGROUP_AT3, 214 PDRIVE_PINGROUP_AT4, 215 PDRIVE_PINGROUP_AT5, 216 PDRIVE_PINGROUP_CDEV1, 217 PDRIVE_PINGROUP_CDEV2, 218 PDRIVE_PINGROUP_DAP1 = 10, /* offset 0x890 */ 219 PDRIVE_PINGROUP_DAP2, 220 PDRIVE_PINGROUP_DAP3, 221 PDRIVE_PINGROUP_DAP4, 222 PDRIVE_PINGROUP_DBG, 223 PDRIVE_PINGROUP_SDIO3 = 18, /* offset 0x8B0 */ 224 PDRIVE_PINGROUP_SPI, 225 PDRIVE_PINGROUP_UAA, 226 PDRIVE_PINGROUP_UAB, 227 PDRIVE_PINGROUP_UART2, 228 PDRIVE_PINGROUP_UART3, 229 PDRIVE_PINGROUP_SDIO1 = 33, /* offset 0x8EC */ 230 PDRIVE_PINGROUP_DDC = 37, /* offset 0x8FC */ 231 PDRIVE_PINGROUP_GMA, 232 PDRIVE_PINGROUP_GME = 42, /* offset 0x910 */ 233 PDRIVE_PINGROUP_GMF, 234 PDRIVE_PINGROUP_GMG, 235 PDRIVE_PINGROUP_GMH, 236 PDRIVE_PINGROUP_OWR, 237 PDRIVE_PINGROUP_UAD, 238 PDRIVE_PINGROUP_DEV3 = 49, /* offset 0x92c */ 239 PDRIVE_PINGROUP_CEC = 52, /* offset 0x938 */ 240 PDRIVE_PINGROUP_AT6 = 75, /* offset 0x994 */ 241 PDRIVE_PINGROUP_DAP5, 242 PDRIVE_PINGROUP_VBUS, 243 PDRIVE_PINGROUP_AO3, 244 PDRIVE_PINGROUP_HVC, 245 PDRIVE_PINGROUP_SDIO4, 246 PDRIVE_PINGROUP_AO0, 247 PDRIVE_PINGROUP_COUNT, 248 }; 249 250 /* 251 * Functions which can be assigned to each of the pin groups. The values here 252 * bear no relation to the values programmed into pinmux registers and are 253 * purely a convenience. The translation is done through a table search. 254 */ 255 enum pmux_func { 256 PMUX_FUNC_AHB_CLK, 257 PMUX_FUNC_APB_CLK, 258 PMUX_FUNC_AUDIO_SYNC, 259 PMUX_FUNC_CRT, 260 PMUX_FUNC_DAP1, 261 PMUX_FUNC_DAP2, 262 PMUX_FUNC_DAP3, 263 PMUX_FUNC_DAP4, 264 PMUX_FUNC_DAP5, 265 PMUX_FUNC_DISPA, 266 PMUX_FUNC_DISPB, 267 PMUX_FUNC_EMC_TEST0_DLL, 268 PMUX_FUNC_EMC_TEST1_DLL, 269 PMUX_FUNC_GMI, 270 PMUX_FUNC_GMI_INT, 271 PMUX_FUNC_HDMI, 272 PMUX_FUNC_I2C1, 273 PMUX_FUNC_I2C2, 274 PMUX_FUNC_I2C3, 275 PMUX_FUNC_IDE, 276 PMUX_FUNC_KBC, 277 PMUX_FUNC_MIO, 278 PMUX_FUNC_MIPI_HS, 279 PMUX_FUNC_NAND, 280 PMUX_FUNC_OSC, 281 PMUX_FUNC_OWR, 282 PMUX_FUNC_PCIE, 283 PMUX_FUNC_PLLA_OUT, 284 PMUX_FUNC_PLLC_OUT1, 285 PMUX_FUNC_PLLM_OUT1, 286 PMUX_FUNC_PLLP_OUT2, 287 PMUX_FUNC_PLLP_OUT3, 288 PMUX_FUNC_PLLP_OUT4, 289 PMUX_FUNC_PWM, 290 PMUX_FUNC_PWR_INTR, 291 PMUX_FUNC_PWR_ON, 292 PMUX_FUNC_RTCK, 293 PMUX_FUNC_SDMMC1, 294 PMUX_FUNC_SDMMC2, 295 PMUX_FUNC_SDMMC3, 296 PMUX_FUNC_SDMMC4, 297 PMUX_FUNC_SFLASH, 298 PMUX_FUNC_SPDIF, 299 PMUX_FUNC_SPI1, 300 PMUX_FUNC_SPI2, 301 PMUX_FUNC_SPI2_ALT, 302 PMUX_FUNC_SPI3, 303 PMUX_FUNC_SPI4, 304 PMUX_FUNC_TRACE, 305 PMUX_FUNC_TWC, 306 PMUX_FUNC_UARTA, 307 PMUX_FUNC_UARTB, 308 PMUX_FUNC_UARTC, 309 PMUX_FUNC_UARTD, 310 PMUX_FUNC_UARTE, 311 PMUX_FUNC_ULPI, 312 PMUX_FUNC_VI, 313 PMUX_FUNC_VI_SENSOR_CLK, 314 PMUX_FUNC_XIO, 315 /* End of Tegra2 MUX selectors */ 316 PMUX_FUNC_BLINK, 317 PMUX_FUNC_CEC, 318 PMUX_FUNC_CLK12, 319 PMUX_FUNC_DAP, 320 PMUX_FUNC_DAPSDMMC2, 321 PMUX_FUNC_DDR, 322 PMUX_FUNC_DEV3, 323 PMUX_FUNC_DTV, 324 PMUX_FUNC_VI_ALT1, 325 PMUX_FUNC_VI_ALT2, 326 PMUX_FUNC_VI_ALT3, 327 PMUX_FUNC_EMC_DLL, 328 PMUX_FUNC_EXTPERIPH1, 329 PMUX_FUNC_EXTPERIPH2, 330 PMUX_FUNC_EXTPERIPH3, 331 PMUX_FUNC_GMI_ALT, 332 PMUX_FUNC_HDA, 333 PMUX_FUNC_HSI, 334 PMUX_FUNC_I2C4, 335 PMUX_FUNC_I2C5, 336 PMUX_FUNC_I2CPWR, 337 PMUX_FUNC_I2S0, 338 PMUX_FUNC_I2S1, 339 PMUX_FUNC_I2S2, 340 PMUX_FUNC_I2S3, 341 PMUX_FUNC_I2S4, 342 PMUX_FUNC_NAND_ALT, 343 PMUX_FUNC_POPSDIO4, 344 PMUX_FUNC_POPSDMMC4, 345 PMUX_FUNC_PWM0, 346 PMUX_FUNC_PWM1, 347 PMUX_FUNC_PWM2, 348 PMUX_FUNC_PWM3, 349 PMUX_FUNC_SATA, 350 PMUX_FUNC_SPI5, 351 PMUX_FUNC_SPI6, 352 PMUX_FUNC_SYSCLK, 353 PMUX_FUNC_VGP1, 354 PMUX_FUNC_VGP2, 355 PMUX_FUNC_VGP3, 356 PMUX_FUNC_VGP4, 357 PMUX_FUNC_VGP5, 358 PMUX_FUNC_VGP6, 359 /* End of Tegra3 MUX selectors */ 360 PMUX_FUNC_USB, 361 PMUX_FUNC_SOC, 362 PMUX_FUNC_CPU, 363 PMUX_FUNC_CLK, 364 PMUX_FUNC_PWRON, 365 PMUX_FUNC_PMI, 366 PMUX_FUNC_CLDVFS, 367 PMUX_FUNC_RESET_OUT_N, 368 /* End of Tegra114 MUX selectors */ 369 370 PMUX_FUNC_MAX, 371 372 PMUX_FUNC_INVALID = 0x4000, 373 PMUX_FUNC_RSVD1 = 0x8000, 374 PMUX_FUNC_RSVD2 = 0x8001, 375 PMUX_FUNC_RSVD3 = 0x8002, 376 PMUX_FUNC_RSVD4 = 0x8003, 377 }; 378 379 /* return 1 if a pmux_func is in range */ 380 #define pmux_func_isvalid(func) ((((func) >= 0) && ((func) < PMUX_FUNC_MAX)) \ 381 || (((func) >= PMUX_FUNC_RSVD1) && ((func) <= PMUX_FUNC_RSVD4))) 382 383 /* return 1 if a pingrp is in range */ 384 #define pmux_pingrp_isvalid(pin) (((pin) >= 0) && ((pin) < PINGRP_COUNT)) 385 386 /* The pullup/pulldown state of a pin group */ 387 enum pmux_pull { 388 PMUX_PULL_NORMAL = 0, 389 PMUX_PULL_DOWN, 390 PMUX_PULL_UP, 391 }; 392 /* return 1 if a pin_pupd_is in range */ 393 #define pmux_pin_pupd_isvalid(pupd) (((pupd) >= PMUX_PULL_NORMAL) && \ 394 ((pupd) <= PMUX_PULL_UP)) 395 396 /* Defines whether a pin group is tristated or in normal operation */ 397 enum pmux_tristate { 398 PMUX_TRI_NORMAL = 0, 399 PMUX_TRI_TRISTATE = 1, 400 }; 401 /* return 1 if a pin_tristate_is in range */ 402 #define pmux_pin_tristate_isvalid(tristate) (((tristate) >= PMUX_TRI_NORMAL) \ 403 && ((tristate) <= PMUX_TRI_TRISTATE)) 404 405 enum pmux_pin_io { 406 PMUX_PIN_OUTPUT = 0, 407 PMUX_PIN_INPUT = 1, 408 PMUX_PIN_NONE, 409 }; 410 /* return 1 if a pin_io_is in range */ 411 #define pmux_pin_io_isvalid(io) (((io) >= PMUX_PIN_OUTPUT) && \ 412 ((io) <= PMUX_PIN_INPUT)) 413 414 enum pmux_pin_lock { 415 PMUX_PIN_LOCK_DEFAULT = 0, 416 PMUX_PIN_LOCK_DISABLE, 417 PMUX_PIN_LOCK_ENABLE, 418 }; 419 /* return 1 if a pin_lock is in range */ 420 #define pmux_pin_lock_isvalid(lock) (((lock) >= PMUX_PIN_LOCK_DEFAULT) && \ 421 ((lock) <= PMUX_PIN_LOCK_ENABLE)) 422 423 enum pmux_pin_od { 424 PMUX_PIN_OD_DEFAULT = 0, 425 PMUX_PIN_OD_DISABLE, 426 PMUX_PIN_OD_ENABLE, 427 }; 428 /* return 1 if a pin_od is in range */ 429 #define pmux_pin_od_isvalid(od) (((od) >= PMUX_PIN_OD_DEFAULT) && \ 430 ((od) <= PMUX_PIN_OD_ENABLE)) 431 432 enum pmux_pin_ioreset { 433 PMUX_PIN_IO_RESET_DEFAULT = 0, 434 PMUX_PIN_IO_RESET_DISABLE, 435 PMUX_PIN_IO_RESET_ENABLE, 436 }; 437 /* return 1 if a pin_ioreset_is in range */ 438 #define pmux_pin_ioreset_isvalid(ioreset) \ 439 (((ioreset) >= PMUX_PIN_IO_RESET_DEFAULT) && \ 440 ((ioreset) <= PMUX_PIN_IO_RESET_ENABLE)) 441 442 enum pmux_pin_rcv_sel { 443 PMUX_PIN_RCV_SEL_DEFAULT = 0, 444 PMUX_PIN_RCV_SEL_NORMAL, 445 PMUX_PIN_RCV_SEL_HIGH, 446 }; 447 /* return 1 if a pin_rcv_sel_is in range */ 448 #define pmux_pin_rcv_sel_isvalid(rcv_sel) \ 449 (((rcv_sel) >= PMUX_PIN_RCV_SEL_DEFAULT) && \ 450 ((rcv_sel) <= PMUX_PIN_RCV_SEL_HIGH)) 451 452 #define PGRP_SLWF_NONE -1 453 #define PGRP_SLWF_MAX 3 454 #define PGRP_SLWR_NONE PGRP_SLWF_NONE 455 #define PGRP_SLWR_MAX PGRP_SLWF_MAX 456 457 #define PGRP_DRVUP_NONE -1 458 #define PGRP_DRVUP_MAX 127 459 #define PGRP_DRVDN_NONE PGRP_DRVUP_NONE 460 #define PGRP_DRVDN_MAX PGRP_DRVUP_MAX 461 462 #define PGRP_SCHMT_NONE -1 463 #define PGRP_HSM_NONE PGRP_SCHMT_NONE 464 465 /* return 1 if a padgrp is in range */ 466 #define pmux_padgrp_isvalid(pd) (((pd) >= 0) && ((pd) < PDRIVE_PINGROUP_COUNT)) 467 468 /* return 1 if a slew-rate rising/falling edge value is in range */ 469 #define pmux_pad_slw_isvalid(slw) (((slw) == PGRP_SLWF_NONE) || \ 470 (((slw) >= 0) && ((slw) <= PGRP_SLWF_MAX))) 471 472 /* return 1 if a driver output pull-up/down strength code value is in range */ 473 #define pmux_pad_drv_isvalid(drv) (((drv) == PGRP_DRVUP_NONE) || \ 474 (((drv) >= 0) && ((drv) <= PGRP_DRVUP_MAX))) 475 476 /* return 1 if a low-power mode value is in range */ 477 #define pmux_pad_lpmd_isvalid(lpm) (((lpm) == PGRP_LPMD_NONE) || \ 478 (((lpm) >= 0) && ((lpm) <= PGRP_LPMD_X))) 479 480 /* Defines a pin group cfg's low-power mode select */ 481 enum pgrp_lpmd { 482 PGRP_LPMD_X8 = 0, 483 PGRP_LPMD_X4, 484 PGRP_LPMD_X2, 485 PGRP_LPMD_X, 486 PGRP_LPMD_NONE = -1, 487 }; 488 489 /* Defines whether a pin group cfg's schmidt is enabled or not */ 490 enum pgrp_schmt { 491 PGRP_SCHMT_DISABLE = 0, 492 PGRP_SCHMT_ENABLE = 1, 493 }; 494 495 /* Defines whether a pin group cfg's high-speed mode is enabled or not */ 496 enum pgrp_hsm { 497 PGRP_HSM_DISABLE = 0, 498 PGRP_HSM_ENABLE = 1, 499 }; 500 501 /* 502 * This defines the configuration for a pin group's pad control config 503 */ 504 struct padctrl_config { 505 enum pdrive_pingrp padgrp; /* pin group PDRIVE_PINGRP_x */ 506 int slwf; /* falling edge slew */ 507 int slwr; /* rising edge slew */ 508 int drvup; /* pull-up drive strength */ 509 int drvdn; /* pull-down drive strength */ 510 enum pgrp_lpmd lpmd; /* low-power mode selection */ 511 enum pgrp_schmt schmt; /* schmidt enable */ 512 enum pgrp_hsm hsm; /* high-speed mode enable */ 513 }; 514 515 /* t114 pin drive group and pin mux registers */ 516 #define PDRIVE_PINGROUP_OFFSET (0x868 >> 2) 517 #define PMUX_OFFSET ((0x3000 >> 2) - PDRIVE_PINGROUP_OFFSET - \ 518 PDRIVE_PINGROUP_COUNT) 519 struct pmux_tri_ctlr { 520 uint pmt_reserved0; /* ABP_MISC_PP_ reserved offset 00 */ 521 uint pmt_reserved1; /* ABP_MISC_PP_ reserved offset 04 */ 522 uint pmt_strap_opt_a; /* _STRAPPING_OPT_A_0, offset 08 */ 523 uint pmt_reserved2; /* ABP_MISC_PP_ reserved offset 0C */ 524 uint pmt_reserved3; /* ABP_MISC_PP_ reserved offset 10 */ 525 uint pmt_reserved4[4]; /* _TRI_STATE_REG_A/B/C/D in t20 */ 526 uint pmt_cfg_ctl; /* _CONFIG_CTL_0, offset 24 */ 527 528 uint pmt_reserved[528]; /* ABP_MISC_PP_ reserved offs 28-864 */ 529 530 uint pmt_drive[PDRIVE_PINGROUP_COUNT]; /* pin drive grps offs 868 */ 531 uint pmt_reserved5[PMUX_OFFSET]; 532 uint pmt_ctl[PINGRP_COUNT]; /* mux/pupd/tri regs, offset 0x3000 */ 533 }; 534 535 /* 536 * This defines the configuration for a pin, including the function assigned, 537 * pull up/down settings and tristate settings. Having set up one of these 538 * you can call pinmux_config_pingroup() to configure a pin in one step. Also 539 * available is pinmux_config_table() to configure a list of pins. 540 */ 541 struct pingroup_config { 542 enum pmux_pingrp pingroup; /* pin group PINGRP_... */ 543 enum pmux_func func; /* function to assign FUNC_... */ 544 enum pmux_pull pull; /* pull up/down/normal PMUX_PULL_...*/ 545 enum pmux_tristate tristate; /* tristate or normal PMUX_TRI_... */ 546 enum pmux_pin_io io; /* input or output PMUX_PIN_... */ 547 enum pmux_pin_lock lock; /* lock enable/disable PMUX_PIN... */ 548 enum pmux_pin_od od; /* open-drain or push-pull driver */ 549 enum pmux_pin_ioreset ioreset; /* input/output reset PMUX_PIN... */ 550 enum pmux_pin_rcv_sel rcv_sel; /* select between High and Normal */ 551 /* VIL/VIH receivers */ 552 }; 553 554 /* Set a pin group to tristate */ 555 void pinmux_tristate_enable(enum pmux_pingrp pin); 556 557 /* Set a pin group to normal (non tristate) */ 558 void pinmux_tristate_disable(enum pmux_pingrp pin); 559 560 /* Set the pull up/down feature for a pin group */ 561 void pinmux_set_pullupdown(enum pmux_pingrp pin, enum pmux_pull pupd); 562 563 /* Set the mux function for a pin group */ 564 void pinmux_set_func(enum pmux_pingrp pin, enum pmux_func func); 565 566 /* Set the complete configuration for a pin group */ 567 void pinmux_config_pingroup(struct pingroup_config *config); 568 569 /* Set a pin group to tristate or normal */ 570 void pinmux_set_tristate(enum pmux_pingrp pin, int enable); 571 572 /* Set a pin group as input or output */ 573 void pinmux_set_io(enum pmux_pingrp pin, enum pmux_pin_io io); 574 575 /** 576 * Configure a list of pin groups 577 * 578 * @param config List of config items 579 * @param len Number of config items in list 580 */ 581 void pinmux_config_table(struct pingroup_config *config, int len); 582 583 /** 584 * Set the GP pad configs 585 * 586 * @param config List of config items 587 * @param len Number of config items in list 588 */ 589 void padgrp_config_table(struct padctrl_config *config, int len); 590 591 #endif /* _TEGRA114_PINMUX_H_ */ 592