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   1 /*
   2  * linux/include/asm-arm/arch-omap/mux.h
   3  *
   4  * Table of the Omap register configurations for the FUNC_MUX and
   5  * PULL_DWN combinations.
   6  *
   7  * Copyright (C) 2004 - 2008 Texas Instruments Inc.
   8  * Copyright (C) 2003 - 2008 Nokia Corporation
   9  *
  10  * Written by Tony Lindgren
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  25  *
  26  * NOTE: Please use the following naming style for new pin entries.
  27  *       For example, W8_1610_MMC2_DAT0, where:
  28  *       - W8        = ball
  29  *       - 1610      = 1510 or 1610, none if common for both 1510 and 1610
  30  *       - MMC2_DAT0 = function
  31  */
  32
  33 #ifndef __ASM_ARCH_MUX_H
  34 #define __ASM_ARCH_MUX_H
  35
  36 #define PU_PD_SEL_NA            0       /* No pu_pd reg available */
  37 #define PULL_DWN_CTRL_NA        0       /* No pull-down control needed */
  38
  39 #ifdef  CONFIG_OMAP_MUX_DEBUG
  40 #define MUX_REG(reg, mode_offset, mode) .mux_reg_name = "FUNC_MUX_CTRL_"#reg, \
  41                                         .mux_reg = FUNC_MUX_CTRL_##reg, \
  42                                         .mask_offset = mode_offset, \
  43                                         .mask = mode,
  44
  45 #define PULL_REG(reg, bit, status)      .pull_name = "PULL_DWN_CTRL_"#reg, \
  46                                         .pull_reg = PULL_DWN_CTRL_##reg, \
  47                                         .pull_bit = bit, \
  48                                         .pull_val = status,
  49
  50 #define PU_PD_REG(reg, status)          .pu_pd_name = "PU_PD_SEL_"#reg, \
  51                                         .pu_pd_reg = PU_PD_SEL_##reg, \
  52                                         .pu_pd_val = status,
  53
  54 #define MUX_REG_730(reg, mode_offset, mode) .mux_reg_name = "OMAP730_IO_CONF_"#reg, \
  55                                         .mux_reg = OMAP730_IO_CONF_##reg, \
  56                                         .mask_offset = mode_offset, \
  57                                         .mask = mode,
  58
  59 #define PULL_REG_730(reg, bit, status)  .pull_name = "OMAP730_IO_CONF_"#reg, \
  60                                         .pull_reg = OMAP730_IO_CONF_##reg, \
  61                                         .pull_bit = bit, \
  62                                         .pull_val = status,
  63
  64 #else
  65
  66 #define MUX_REG(reg, mode_offset, mode) .mux_reg = FUNC_MUX_CTRL_##reg, \
  67                                         .mask_offset = mode_offset, \
  68                                         .mask = mode,
  69
  70 #define PULL_REG(reg, bit, status)      .pull_reg = PULL_DWN_CTRL_##reg, \
  71                                         .pull_bit = bit, \
  72                                         .pull_val = status,
  73
  74 #define PU_PD_REG(reg, status)          .pu_pd_reg = PU_PD_SEL_##reg, \
  75                                         .pu_pd_val = status,
  76
  77 #define MUX_REG_730(reg, mode_offset, mode) \
  78                                         .mux_reg = OMAP730_IO_CONF_##reg, \
  79                                         .mask_offset = mode_offset, \
  80                                         .mask = mode,
  81
  82 #define PULL_REG_730(reg, bit, status)  .pull_reg = OMAP730_IO_CONF_##reg, \
  83                                         .pull_bit = bit, \
  84                                         .pull_val = status,
  85
  86 #endif /* CONFIG_OMAP_MUX_DEBUG */
  87
  88 #define MUX_CFG(desc, mux_reg, mode_offset, mode,       \
  89                 pull_reg, pull_bit, pull_status,        \
  90                 pu_pd_reg, pu_pd_status, debug_status)  \
  91 {                                                       \
  92         .name =  desc,                                  \
  93         .debug = debug_status,                          \
  94         MUX_REG(mux_reg, mode_offset, mode)             \
  95         PULL_REG(pull_reg, pull_bit, pull_status)       \
  96         PU_PD_REG(pu_pd_reg, pu_pd_status)              \
  97 },
  98
  99
 100 /*
 101  * OMAP730 has a slightly different config for the pin mux.
 102  * - config regs are the OMAP730_IO_CONF_x regs (see omap730.h) regs and
 103  *   not the FUNC_MUX_CTRL_x regs from hardware.h
 104  * - for pull-up/down, only has one enable bit which is is in the same register
 105  *   as mux config
 106  */
 107 #define MUX_CFG_730(desc, mux_reg, mode_offset, mode,   \
 108                    pull_bit, pull_status, debug_status)\
 109 {                                                       \
 110         .name =  desc,                                  \
 111         .debug = debug_status,                          \
 112         MUX_REG_730(mux_reg, mode_offset, mode)         \
 113         PULL_REG_730(mux_reg, pull_bit, pull_status)    \
 114         PU_PD_REG(NA, 0)                \
 115 },
 116
 117 #define MUX_CFG_24XX(desc, reg_offset, mode,                    \
 118                                 pull_en, pull_mode, dbg)        \
 119 {                                                               \
 120         .name           = desc,                                 \
 121         .debug          = dbg,                                  \
 122         .mux_reg        = reg_offset,                           \
 123         .mask           = mode,                                 \
 124         .pull_val       = pull_en,                              \
 125         .pu_pd_val      = pull_mode,                            \
 126 },
 127
 128
 129 #define PULL_DISABLED   0
 130 #define PULL_ENABLED    1
 131
 132 #define PULL_DOWN       0
 133 #define PULL_UP         1
 134
 135 struct pin_config {
 136         char *name;
 137         unsigned char busy;
 138         unsigned char debug;
 139
 140         const char *mux_reg_name;
 141         const unsigned int mux_reg;
 142         const unsigned char mask_offset;
 143         const unsigned char mask;
 144
 145         const char *pull_name;
 146         const unsigned int pull_reg;
 147         const unsigned char pull_val;
 148         const unsigned char pull_bit;
 149
 150         const char *pu_pd_name;
 151         const unsigned int pu_pd_reg;
 152         const unsigned char pu_pd_val;
 153 };
 154
 155 enum omap730_index {
 156         /* OMAP 730 keyboard */
 157         E2_730_KBR0,
 158         J7_730_KBR1,
 159         E1_730_KBR2,
 160         F3_730_KBR3,
 161         D2_730_KBR4,
 162         C2_730_KBC0,
 163         D3_730_KBC1,
 164         E4_730_KBC2,
 165         F4_730_KBC3,
 166         E3_730_KBC4,
 167
 168         /* USB */
 169         AA17_730_USB_DM,
 170         W16_730_USB_PU_EN,
 171         W17_730_USB_VBUSI,
 172 };
 173
 174 enum omap1xxx_index {
 175         /* UART1 (BT_UART_GATING)*/
 176         UART1_TX = 0,
 177         UART1_RTS,
 178
 179         /* UART2 (COM_UART_GATING)*/
 180         UART2_TX,
 181         UART2_RX,
 182         UART2_CTS,
 183         UART2_RTS,
 184
 185         /* UART3 (GIGA_UART_GATING) */
 186         UART3_TX,
 187         UART3_RX,
 188         UART3_CTS,
 189         UART3_RTS,
 190         UART3_CLKREQ,
 191         UART3_BCLK,     /* 12MHz clock out */
 192         Y15_1610_UART3_RTS,
 193
 194         /* PWT & PWL */
 195         PWT,
 196         PWL,
 197
 198         /* USB master generic */
 199         R18_USB_VBUS,
 200         R18_1510_USB_GPIO0,
 201         W4_USB_PUEN,
 202         W4_USB_CLKO,
 203         W4_USB_HIGHZ,
 204         W4_GPIO58,
 205
 206         /* USB1 master */
 207         USB1_SUSP,
 208         USB1_SEO,
 209         W13_1610_USB1_SE0,
 210         USB1_TXEN,
 211         USB1_TXD,
 212         USB1_VP,
 213         USB1_VM,
 214         USB1_RCV,
 215         USB1_SPEED,
 216         R13_1610_USB1_SPEED,
 217         R13_1710_USB1_SE0,
 218
 219         /* USB2 master */
 220         USB2_SUSP,
 221         USB2_VP,
 222         USB2_TXEN,
 223         USB2_VM,
 224         USB2_RCV,
 225         USB2_SEO,
 226         USB2_TXD,
 227
 228         /* OMAP-1510 GPIO */
 229         R18_1510_GPIO0,
 230         R19_1510_GPIO1,
 231         M14_1510_GPIO2,
 232
 233         /* OMAP1610 GPIO */
 234         P18_1610_GPIO3,
 235         Y15_1610_GPIO17,
 236
 237         /* OMAP-1710 GPIO */
 238         R18_1710_GPIO0,
 239         V2_1710_GPIO10,
 240         N21_1710_GPIO14,
 241         W15_1710_GPIO40,
 242
 243         /* MPUIO */
 244         MPUIO2,
 245         N15_1610_MPUIO2,
 246         MPUIO4,
 247         MPUIO5,
 248         T20_1610_MPUIO5,
 249         W11_1610_MPUIO6,
 250         V10_1610_MPUIO7,
 251         W11_1610_MPUIO9,
 252         V10_1610_MPUIO10,
 253         W10_1610_MPUIO11,
 254         E20_1610_MPUIO13,
 255         U20_1610_MPUIO14,
 256         E19_1610_MPUIO15,
 257
 258         /* MCBSP2 */
 259         MCBSP2_CLKR,
 260         MCBSP2_CLKX,
 261         MCBSP2_DR,
 262         MCBSP2_DX,
 263         MCBSP2_FSR,
 264         MCBSP2_FSX,
 265
 266         /* MCBSP3 */
 267         MCBSP3_CLKX,
 268
 269         /* Misc ballouts */
 270         BALLOUT_V8_ARMIO3,
 271         N20_HDQ,
 272
 273         /* OMAP-1610 MMC2 */
 274         W8_1610_MMC2_DAT0,
 275         V8_1610_MMC2_DAT1,
 276         W15_1610_MMC2_DAT2,
 277         R10_1610_MMC2_DAT3,
 278         Y10_1610_MMC2_CLK,
 279         Y8_1610_MMC2_CMD,
 280         V9_1610_MMC2_CMDDIR,
 281         V5_1610_MMC2_DATDIR0,
 282         W19_1610_MMC2_DATDIR1,
 283         R18_1610_MMC2_CLKIN,
 284
 285         /* OMAP-1610 External Trace Interface */
 286         M19_1610_ETM_PSTAT0,
 287         L15_1610_ETM_PSTAT1,
 288         L18_1610_ETM_PSTAT2,
 289         L19_1610_ETM_D0,
 290         J19_1610_ETM_D6,
 291         J18_1610_ETM_D7,
 292
 293         /* OMAP16XX GPIO */
 294         P20_1610_GPIO4,
 295         V9_1610_GPIO7,
 296         W8_1610_GPIO9,
 297         N20_1610_GPIO11,
 298         N19_1610_GPIO13,
 299         P10_1610_GPIO22,
 300         V5_1610_GPIO24,
 301         AA20_1610_GPIO_41,
 302         W19_1610_GPIO48,
 303         M7_1610_GPIO62,
 304         V14_16XX_GPIO37,
 305         R9_16XX_GPIO18,
 306         L14_16XX_GPIO49,
 307
 308         /* OMAP-1610 uWire */
 309         V19_1610_UWIRE_SCLK,
 310         U18_1610_UWIRE_SDI,
 311         W21_1610_UWIRE_SDO,
 312         N14_1610_UWIRE_CS0,
 313         P15_1610_UWIRE_CS3,
 314         N15_1610_UWIRE_CS1,
 315
 316         /* OMAP-1610 SPI */
 317         U19_1610_SPIF_SCK,
 318         U18_1610_SPIF_DIN,
 319         P20_1610_SPIF_DIN,
 320         W21_1610_SPIF_DOUT,
 321         R18_1610_SPIF_DOUT,
 322         N14_1610_SPIF_CS0,
 323         N15_1610_SPIF_CS1,
 324         T19_1610_SPIF_CS2,
 325         P15_1610_SPIF_CS3,
 326
 327         /* OMAP-1610 Flash */
 328         L3_1610_FLASH_CS2B_OE,
 329         M8_1610_FLASH_CS2B_WE,
 330
 331         /* First MMC */
 332         MMC_CMD,
 333         MMC_DAT1,
 334         MMC_DAT2,
 335         MMC_DAT0,
 336         MMC_CLK,
 337         MMC_DAT3,
 338
 339         /* OMAP-1710 MMC CMDDIR and DATDIR0 */
 340         M15_1710_MMC_CLKI,
 341         P19_1710_MMC_CMDDIR,
 342         P20_1710_MMC_DATDIR0,
 343
 344         /* OMAP-1610 USB0 alternate pin configuration */
 345         W9_USB0_TXEN,
 346         AA9_USB0_VP,
 347         Y5_USB0_RCV,
 348         R9_USB0_VM,
 349         V6_USB0_TXD,
 350         W5_USB0_SE0,
 351         V9_USB0_SPEED,
 352         V9_USB0_SUSP,
 353
 354         /* USB2 */
 355         W9_USB2_TXEN,
 356         AA9_USB2_VP,
 357         Y5_USB2_RCV,
 358         R9_USB2_VM,
 359         V6_USB2_TXD,
 360         W5_USB2_SE0,
 361
 362         /* 16XX UART */
 363         R13_1610_UART1_TX,
 364         V14_16XX_UART1_RX,
 365         R14_1610_UART1_CTS,
 366         AA15_1610_UART1_RTS,
 367         R9_16XX_UART2_RX,
 368         L14_16XX_UART3_RX,
 369
 370         /* I2C OMAP-1610 */
 371         I2C_SCL,
 372         I2C_SDA,
 373
 374         /* Keypad */
 375         F18_1610_KBC0,
 376         D20_1610_KBC1,
 377         D19_1610_KBC2,
 378         E18_1610_KBC3,
 379         C21_1610_KBC4,
 380         G18_1610_KBR0,
 381         F19_1610_KBR1,
 382         H14_1610_KBR2,
 383         E20_1610_KBR3,
 384         E19_1610_KBR4,
 385         N19_1610_KBR5,
 386
 387         /* Power management */
 388         T20_1610_LOW_PWR,
 389
 390         /* MCLK Settings */
 391         V5_1710_MCLK_ON,
 392         V5_1710_MCLK_OFF,
 393         R10_1610_MCLK_ON,
 394         R10_1610_MCLK_OFF,
 395
 396         /* CompactFlash controller */
 397         P11_1610_CF_CD2,
 398         R11_1610_CF_IOIS16,
 399         V10_1610_CF_IREQ,
 400         W10_1610_CF_RESET,
 401         W11_1610_CF_CD1,
 402
 403         /* parallel camera */
 404         J15_1610_CAM_LCLK,
 405         J18_1610_CAM_D7,
 406         J19_1610_CAM_D6,
 407         J14_1610_CAM_D5,
 408         K18_1610_CAM_D4,
 409         K19_1610_CAM_D3,
 410         K15_1610_CAM_D2,
 411         K14_1610_CAM_D1,
 412         L19_1610_CAM_D0,
 413         L18_1610_CAM_VS,
 414         L15_1610_CAM_HS,
 415         M19_1610_CAM_RSTZ,
 416         Y15_1610_CAM_OUTCLK,
 417
 418         /* serial camera */
 419         H19_1610_CAM_EXCLK,
 420         Y12_1610_CCP_CLKP,
 421         W13_1610_CCP_CLKM,
 422         W14_1610_CCP_DATAP,
 423         Y14_1610_CCP_DATAM,
 424
 425 };
 426
 427 enum omap24xx_index {
 428         /* 24xx I2C */
 429         M19_24XX_I2C1_SCL,
 430         L15_24XX_I2C1_SDA,
 431         J15_24XX_I2C2_SCL,
 432         H19_24XX_I2C2_SDA,
 433
 434         /* 24xx Menelaus interrupt */
 435         W19_24XX_SYS_NIRQ,
 436
 437         /* 24xx clock */
 438         W14_24XX_SYS_CLKOUT,
 439
 440         /* 24xx GPMC chipselects, wait pin monitoring */
 441         E2_GPMC_NCS2,
 442         L2_GPMC_NCS7,
 443         L3_GPMC_WAIT0,
 444         N7_GPMC_WAIT1,
 445         M1_GPMC_WAIT2,
 446         P1_GPMC_WAIT3,
 447
 448         /* 242X McBSP */
 449         Y15_24XX_MCBSP2_CLKX,
 450         R14_24XX_MCBSP2_FSX,
 451         W15_24XX_MCBSP2_DR,
 452         V15_24XX_MCBSP2_DX,
 453
 454         /* 24xx GPIO */
 455         M21_242X_GPIO11,
 456         P21_242X_GPIO12,
 457         AA10_242X_GPIO13,
 458         AA6_242X_GPIO14,
 459         AA4_242X_GPIO15,
 460         Y11_242X_GPIO16,
 461         AA12_242X_GPIO17,
 462         AA8_242X_GPIO58,
 463         Y20_24XX_GPIO60,
 464         W4__24XX_GPIO74,
 465         N15_24XX_GPIO85,
 466         M15_24XX_GPIO92,
 467         P20_24XX_GPIO93,
 468         P18_24XX_GPIO95,
 469         M18_24XX_GPIO96,
 470         L14_24XX_GPIO97,
 471         J15_24XX_GPIO99,
 472         V14_24XX_GPIO117,
 473         P14_24XX_GPIO125,
 474
 475         /* 242x DBG GPIO */
 476         V4_242X_GPIO49,
 477         W2_242X_GPIO50,
 478         U4_242X_GPIO51,
 479         V3_242X_GPIO52,
 480         V2_242X_GPIO53,
 481         V6_242X_GPIO53,
 482         T4_242X_GPIO54,
 483         Y4_242X_GPIO54,
 484         T3_242X_GPIO55,
 485         U2_242X_GPIO56,
 486
 487         /* 24xx external DMA requests */
 488         AA10_242X_DMAREQ0,
 489         AA6_242X_DMAREQ1,
 490         E4_242X_DMAREQ2,
 491         G4_242X_DMAREQ3,
 492         D3_242X_DMAREQ4,
 493         E3_242X_DMAREQ5,
 494
 495         /* UART3 */
 496         K15_24XX_UART3_TX,
 497         K14_24XX_UART3_RX,
 498
 499         /* MMC/SDIO */
 500         G19_24XX_MMC_CLKO,
 501         H18_24XX_MMC_CMD,
 502         F20_24XX_MMC_DAT0,
 503         H14_24XX_MMC_DAT1,
 504         E19_24XX_MMC_DAT2,
 505         D19_24XX_MMC_DAT3,
 506         F19_24XX_MMC_DAT_DIR0,
 507         E20_24XX_MMC_DAT_DIR1,
 508         F18_24XX_MMC_DAT_DIR2,
 509         E18_24XX_MMC_DAT_DIR3,
 510         G18_24XX_MMC_CMD_DIR,
 511         H15_24XX_MMC_CLKI,
 512
 513         /* Full speed USB */
 514         J20_24XX_USB0_PUEN,
 515         J19_24XX_USB0_VP,
 516         K20_24XX_USB0_VM,
 517         J18_24XX_USB0_RCV,
 518         K19_24XX_USB0_TXEN,
 519         J14_24XX_USB0_SE0,
 520         K18_24XX_USB0_DAT,
 521
 522         N14_24XX_USB1_SE0,
 523         W12_24XX_USB1_SE0,
 524         P15_24XX_USB1_DAT,
 525         R13_24XX_USB1_DAT,
 526         W20_24XX_USB1_TXEN,
 527         P13_24XX_USB1_TXEN,
 528         V19_24XX_USB1_RCV,
 529         V12_24XX_USB1_RCV,
 530
 531         AA10_24XX_USB2_SE0,
 532         Y11_24XX_USB2_DAT,
 533         AA12_24XX_USB2_TXEN,
 534         AA6_24XX_USB2_RCV,
 535         AA4_24XX_USB2_TLLSE0,
 536
 537         /* Keypad GPIO*/
 538         T19_24XX_KBR0,
 539         R19_24XX_KBR1,
 540         V18_24XX_KBR2,
 541         M21_24XX_KBR3,
 542         E5__24XX_KBR4,
 543         M18_24XX_KBR5,
 544         R20_24XX_KBC0,
 545         M14_24XX_KBC1,
 546         H19_24XX_KBC2,
 547         V17_24XX_KBC3,
 548         P21_24XX_KBC4,
 549         L14_24XX_KBC5,
 550         N19_24XX_KBC6,
 551
 552         /* 24xx Menelaus Keypad GPIO */
 553         B3__24XX_KBR5,
 554         AA4_24XX_KBC2,
 555         B13_24XX_KBC6,
 556
 557         /* 2430 USB */
 558         AD9_2430_USB0_PUEN,
 559         Y11_2430_USB0_VP,
 560         AD7_2430_USB0_VM,
 561         AE7_2430_USB0_RCV,
 562         AD4_2430_USB0_TXEN,
 563         AF9_2430_USB0_SE0,
 564         AE6_2430_USB0_DAT,
 565         AD24_2430_USB1_SE0,
 566         AB24_2430_USB1_RCV,
 567         Y25_2430_USB1_TXEN,
 568         AA26_2430_USB1_DAT,
 569
 570         /* 2430 HS-USB */
 571         AD9_2430_USB0HS_DATA3,
 572         Y11_2430_USB0HS_DATA4,
 573         AD7_2430_USB0HS_DATA5,
 574         AE7_2430_USB0HS_DATA6,
 575         AD4_2430_USB0HS_DATA2,
 576         AF9_2430_USB0HS_DATA0,
 577         AE6_2430_USB0HS_DATA1,
 578         AE8_2430_USB0HS_CLK,
 579         AD8_2430_USB0HS_DIR,
 580         AE5_2430_USB0HS_STP,
 581         AE9_2430_USB0HS_NXT,
 582         AC7_2430_USB0HS_DATA7,
 583
 584         /* 2430 McBSP */
 585         AC10_2430_MCBSP2_FSX,
 586         AD16_2430_MCBSP2_CLX,
 587         AE13_2430_MCBSP2_DX,
 588         AD13_2430_MCBSP2_DR,
 589         AC10_2430_MCBSP2_FSX_OFF,
 590         AD16_2430_MCBSP2_CLX_OFF,
 591         AE13_2430_MCBSP2_DX_OFF,
 592         AD13_2430_MCBSP2_DR_OFF,
 593
 594 };
 595
 596 struct omap_mux_cfg {
 597         struct pin_config       *pins;
 598         unsigned long           size;
 599         int                     (*cfg_reg)(const struct pin_config *cfg);
 600 };
 601
 602 #ifdef  CONFIG_OMAP_MUX
 603 /* setup pin muxing in Linux */
 604 extern int omap1_mux_init(void);
 605 extern int omap2_mux_init(void);
 606 extern int omap_mux_register(struct omap_mux_cfg *);
 607 extern int omap_cfg_reg(unsigned long reg_cfg);
 608 #else
 609 /* boot loader does it all (no warnings from CONFIG_OMAP_MUX_WARNINGS) */
 610 static inline int omap1_mux_init(void) { return 0; }
 611 static inline int omap2_mux_init(void) { return 0; }
 612 static inline int omap_cfg_reg(unsigned long reg_cfg) { return 0; }
 613 #endif
 614
 615 #endif