include/asm-arm/arch-omap/mux.h

   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) 2003 - 2005 Nokia Corporation
   8  *
   9  * Written by Tony Lindgren <tony.lindgren@nokia.com>
  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 as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  24  *
  25  * NOTE: Please use the following naming style for new pin entries.
  26  *       For example, W8_1610_MMC2_DAT0, where:
  27  *       - W8        = ball
  28  *       - 1610      = 1510 or 1610, none if common for both 1510 and 1610
  29  *       - MMC2_DAT0 = function
  30  *
  31  * Change log:
  32  *   Added entry for the I2C interface. (02Feb 2004)
  33  *   Copyright (C) 2004 Texas Instruments
  34  *
  35  *   Added entry for the keypad and uwire CS1. (09Mar 2004)
  36  *   Copyright (C) 2004 Texas Instruments
  37  *
  38  */
  39
  40 #ifndef __ASM_ARCH_MUX_H
  41 #define __ASM_ARCH_MUX_H
  42
  43 #define PU_PD_SEL_NA            0       /* No pu_pd reg available */
  44 #define PULL_DWN_CTRL_NA        0       /* No pull-down control needed */
  45
  46 #ifdef  CONFIG_OMAP_MUX_DEBUG
  47 #define MUX_REG(reg, mode_offset, mode) .mux_reg_name = "FUNC_MUX_CTRL_"#reg, \
  48                                         .mux_reg = FUNC_MUX_CTRL_##reg, \
  49                                         .mask_offset = mode_offset, \
  50                                         .mask = mode,
  51
  52 #define PULL_REG(reg, bit, status)      .pull_name = "PULL_DWN_CTRL_"#reg, \
  53                                         .pull_reg = PULL_DWN_CTRL_##reg, \
  54                                         .pull_bit = bit, \
  55                                         .pull_val = status,
  56
  57 #define PU_PD_REG(reg, status)          .pu_pd_name = "PU_PD_SEL_"#reg, \
  58                                         .pu_pd_reg = PU_PD_SEL_##reg, \
  59                                         .pu_pd_val = status,
  60
  61 #define MUX_REG_730(reg, mode_offset, mode) .mux_reg_name = "OMAP730_IO_CONF_"#reg, \
  62                                         .mux_reg = OMAP730_IO_CONF_##reg, \
  63                                         .mask_offset = mode_offset, \
  64                                         .mask = mode,
  65
  66 #define PULL_REG_730(reg, bit, status)  .pull_name = "OMAP730_IO_CONF_"#reg, \
  67                                         .pull_reg = OMAP730_IO_CONF_##reg, \
  68                                         .pull_bit = bit, \
  69                                         .pull_val = status,
  70
  71 #else
  72
  73 #define MUX_REG(reg, mode_offset, mode) .mux_reg = FUNC_MUX_CTRL_##reg, \
  74                                         .mask_offset = mode_offset, \
  75                                         .mask = mode,
  76
  77 #define PULL_REG(reg, bit, status)      .pull_reg = PULL_DWN_CTRL_##reg, \
  78                                         .pull_bit = bit, \
  79                                         .pull_val = status,
  80
  81 #define PU_PD_REG(reg, status)          .pu_pd_reg = PU_PD_SEL_##reg, \
  82                                         .pu_pd_val = status,
  83
  84 #define MUX_REG_730(reg, mode_offset, mode) \
  85                                         .mux_reg = OMAP730_IO_CONF_##reg, \
  86                                         .mask_offset = mode_offset, \
  87                                         .mask = mode,
  88
  89 #define PULL_REG_730(reg, bit, status)  .pull_reg = OMAP730_IO_CONF_##reg, \
  90                                         .pull_bit = bit, \
  91                                         .pull_val = status,
  92
  93 #endif /* CONFIG_OMAP_MUX_DEBUG */
  94
  95 #define MUX_CFG(desc, mux_reg, mode_offset, mode,       \
  96                 pull_reg, pull_bit, pull_status,        \
  97                 pu_pd_reg, pu_pd_status, debug_status)  \
  98 {                                                       \
  99         .name =  desc,                                  \
 100         .debug = debug_status,                          \
 101         MUX_REG(mux_reg, mode_offset, mode)             \
 102         PULL_REG(pull_reg, pull_bit, pull_status)       \
 103         PU_PD_REG(pu_pd_reg, pu_pd_status)              \
 104 },
 105
 106
 107 /*
 108  * OMAP730 has a slightly different config for the pin mux.
 109  * - config regs are the OMAP730_IO_CONF_x regs (see omap730.h) regs and
 110  *   not the FUNC_MUX_CTRL_x regs from hardware.h
 111  * - for pull-up/down, only has one enable bit which is is in the same register
 112  *   as mux config
 113  */
 114 #define MUX_CFG_730(desc, mux_reg, mode_offset, mode,   \
 115                    pull_bit, pull_status, debug_status)\
 116 {                                                       \
 117         .name =  desc,                                  \
 118         .debug = debug_status,                          \
 119         MUX_REG_730(mux_reg, mode_offset, mode)         \
 120         PULL_REG_730(mux_reg, pull_bit, pull_status)    \
 121         PU_PD_REG(NA, 0)                \
 122 },
 123
 124 #define MUX_CFG_24XX(desc, reg_offset, mode,                    \
 125                                 pull_en, pull_mode, dbg)        \
 126 {                                                               \
 127         .name           = desc,                                 \
 128         .debug          = dbg,                                  \
 129         .mux_reg        = reg_offset,                           \
 130         .mask           = mode,                                 \
 131         .pull_val       = pull_en,                              \
 132         .pu_pd_val      = pull_mode,                            \
 133 },
 134
 135
 136 #define PULL_DISABLED   0
 137 #define PULL_ENABLED    1
 138
 139 #define PULL_DOWN       0
 140 #define PULL_UP         1
 141
 142 struct pin_config {
 143         char *name;
 144         unsigned char busy;
 145         unsigned char debug;
 146
 147         const char *mux_reg_name;
 148         const unsigned int mux_reg;
 149         const unsigned char mask_offset;
 150         const unsigned char mask;
 151
 152         const char *pull_name;
 153         const unsigned int pull_reg;
 154         const unsigned char pull_val;
 155         const unsigned char pull_bit;
 156
 157         const char *pu_pd_name;
 158         const unsigned int pu_pd_reg;
 159         const unsigned char pu_pd_val;
 160 };
 161
 162 enum omap730_index {
 163         /* OMAP 730 keyboard */
 164         E2_730_KBR0,
 165         J7_730_KBR1,
 166         E1_730_KBR2,
 167         F3_730_KBR3,
 168         D2_730_KBR4,
 169         C2_730_KBC0,
 170         D3_730_KBC1,
 171         E4_730_KBC2,
 172         F4_730_KBC3,
 173         E3_730_KBC4,
 174
 175         /* USB */
 176         AA17_730_USB_DM,
 177         W16_730_USB_PU_EN,
 178         W17_730_USB_VBUSI,
 179 };
 180
 181 enum omap1xxx_index {
 182         /* UART1 (BT_UART_GATING)*/
 183         UART1_TX = 0,
 184         UART1_RTS,
 185
 186         /* UART2 (COM_UART_GATING)*/
 187         UART2_TX,
 188         UART2_RX,
 189         UART2_CTS,
 190         UART2_RTS,
 191
 192         /* UART3 (GIGA_UART_GATING) */
 193         UART3_TX,
 194         UART3_RX,
 195         UART3_CTS,
 196         UART3_RTS,
 197         UART3_CLKREQ,
 198         UART3_BCLK,     /* 12MHz clock out */
 199         Y15_1610_UART3_RTS,
 200
 201         /* PWT & PWL */
 202         PWT,
 203         PWL,
 204
 205         /* USB master generic */
 206         R18_USB_VBUS,
 207         R18_1510_USB_GPIO0,
 208         W4_USB_PUEN,
 209         W4_USB_CLKO,
 210         W4_USB_HIGHZ,
 211         W4_GPIO58,
 212
 213         /* USB1 master */
 214         USB1_SUSP,
 215         USB1_SEO,
 216         W13_1610_USB1_SE0,
 217         USB1_TXEN,
 218         USB1_TXD,
 219         USB1_VP,
 220         USB1_VM,
 221         USB1_RCV,
 222         USB1_SPEED,
 223         R13_1610_USB1_SPEED,
 224         R13_1710_USB1_SE0,
 225
 226         /* USB2 master */
 227         USB2_SUSP,
 228         USB2_VP,
 229         USB2_TXEN,
 230         USB2_VM,
 231         USB2_RCV,
 232         USB2_SEO,
 233         USB2_TXD,
 234
 235         /* OMAP-1510 GPIO */
 236         R18_1510_GPIO0,
 237         R19_1510_GPIO1,
 238         M14_1510_GPIO2,
 239
 240         /* OMAP1610 GPIO */
 241         P18_1610_GPIO3,
 242         Y15_1610_GPIO17,
 243
 244         /* OMAP-1710 GPIO */
 245         R18_1710_GPIO0,
 246         V2_1710_GPIO10,
 247         N21_1710_GPIO14,
 248         W15_1710_GPIO40,
 249
 250         /* MPUIO */
 251         MPUIO2,
 252         N15_1610_MPUIO2,
 253         MPUIO4,
 254         MPUIO5,
 255         T20_1610_MPUIO5,
 256         W11_1610_MPUIO6,
 257         V10_1610_MPUIO7,
 258         W11_1610_MPUIO9,
 259         V10_1610_MPUIO10,
 260         W10_1610_MPUIO11,
 261         E20_1610_MPUIO13,
 262         U20_1610_MPUIO14,
 263         E19_1610_MPUIO15,
 264
 265         /* MCBSP2 */
 266         MCBSP2_CLKR,
 267         MCBSP2_CLKX,
 268         MCBSP2_DR,
 269         MCBSP2_DX,
 270         MCBSP2_FSR,
 271         MCBSP2_FSX,
 272
 273         /* MCBSP3 */
 274         MCBSP3_CLKX,
 275
 276         /* Misc ballouts */
 277         BALLOUT_V8_ARMIO3,
 278         N20_HDQ,
 279
 280         /* OMAP-1610 MMC2 */
 281         W8_1610_MMC2_DAT0,
 282         V8_1610_MMC2_DAT1,
 283         W15_1610_MMC2_DAT2,
 284         R10_1610_MMC2_DAT3,
 285         Y10_1610_MMC2_CLK,
 286         Y8_1610_MMC2_CMD,
 287         V9_1610_MMC2_CMDDIR,
 288         V5_1610_MMC2_DATDIR0,
 289         W19_1610_MMC2_DATDIR1,
 290         R18_1610_MMC2_CLKIN,
 291
 292         /* OMAP-1610 External Trace Interface */
 293         M19_1610_ETM_PSTAT0,
 294         L15_1610_ETM_PSTAT1,
 295         L18_1610_ETM_PSTAT2,
 296         L19_1610_ETM_D0,
 297         J19_1610_ETM_D6,
 298         J18_1610_ETM_D7,
 299
 300         /* OMAP16XX GPIO */
 301         P20_1610_GPIO4,
 302         V9_1610_GPIO7,
 303         W8_1610_GPIO9,
 304         N20_1610_GPIO11,
 305         N19_1610_GPIO13,
 306         P10_1610_GPIO22,
 307         V5_1610_GPIO24,
 308         AA20_1610_GPIO_41,
 309         W19_1610_GPIO48,
 310         M7_1610_GPIO62,
 311         V14_16XX_GPIO37,
 312         R9_16XX_GPIO18,
 313         L14_16XX_GPIO49,
 314
 315         /* OMAP-1610 uWire */
 316         V19_1610_UWIRE_SCLK,
 317         U18_1610_UWIRE_SDI,
 318         W21_1610_UWIRE_SDO,
 319         N14_1610_UWIRE_CS0,
 320         P15_1610_UWIRE_CS3,
 321         N15_1610_UWIRE_CS1,
 322
 323         /* OMAP-1610 SPI */
 324         U19_1610_SPIF_SCK,
 325         U18_1610_SPIF_DIN,
 326         P20_1610_SPIF_DIN,
 327         W21_1610_SPIF_DOUT,
 328         R18_1610_SPIF_DOUT,
 329         N14_1610_SPIF_CS0,
 330         N15_1610_SPIF_CS1,
 331         T19_1610_SPIF_CS2,
 332         P15_1610_SPIF_CS3,
 333
 334         /* OMAP-1610 Flash */
 335         L3_1610_FLASH_CS2B_OE,
 336         M8_1610_FLASH_CS2B_WE,
 337
 338         /* First MMC */
 339         MMC_CMD,
 340         MMC_DAT1,
 341         MMC_DAT2,
 342         MMC_DAT0,
 343         MMC_CLK,
 344         MMC_DAT3,
 345
 346         /* OMAP-1710 MMC CMDDIR and DATDIR0 */
 347         M15_1710_MMC_CLKI,
 348         P19_1710_MMC_CMDDIR,
 349         P20_1710_MMC_DATDIR0,
 350
 351         /* OMAP-1610 USB0 alternate pin configuration */
 352         W9_USB0_TXEN,
 353         AA9_USB0_VP,
 354         Y5_USB0_RCV,
 355         R9_USB0_VM,
 356         V6_USB0_TXD,
 357         W5_USB0_SE0,
 358         V9_USB0_SPEED,
 359         V9_USB0_SUSP,
 360
 361         /* USB2 */
 362         W9_USB2_TXEN,
 363         AA9_USB2_VP,
 364         Y5_USB2_RCV,
 365         R9_USB2_VM,
 366         V6_USB2_TXD,
 367         W5_USB2_SE0,
 368
 369         /* 16XX UART */
 370         R13_1610_UART1_TX,
 371         V14_16XX_UART1_RX,
 372         R14_1610_UART1_CTS,
 373         AA15_1610_UART1_RTS,
 374         R9_16XX_UART2_RX,
 375         L14_16XX_UART3_RX,
 376
 377         /* I2C OMAP-1610 */
 378         I2C_SCL,
 379         I2C_SDA,
 380
 381         /* Keypad */
 382         F18_1610_KBC0,
 383         D20_1610_KBC1,
 384         D19_1610_KBC2,
 385         E18_1610_KBC3,
 386         C21_1610_KBC4,
 387         G18_1610_KBR0,
 388         F19_1610_KBR1,
 389         H14_1610_KBR2,
 390         E20_1610_KBR3,
 391         E19_1610_KBR4,
 392         N19_1610_KBR5,
 393
 394         /* Power management */
 395         T20_1610_LOW_PWR,
 396
 397         /* MCLK Settings */
 398         V5_1710_MCLK_ON,
 399         V5_1710_MCLK_OFF,
 400         R10_1610_MCLK_ON,
 401         R10_1610_MCLK_OFF,
 402
 403         /* CompactFlash controller */
 404         P11_1610_CF_CD2,
 405         R11_1610_CF_IOIS16,
 406         V10_1610_CF_IREQ,
 407         W10_1610_CF_RESET,
 408         W11_1610_CF_CD1,
 409 };
 410
 411 enum omap24xx_index {
 412         /* 24xx I2C */
 413         M19_24XX_I2C1_SCL,
 414         L15_24XX_I2C1_SDA,
 415         J15_24XX_I2C2_SCL,
 416         H19_24XX_I2C2_SDA,
 417
 418         /* 24xx Menelaus interrupt */
 419         W19_24XX_SYS_NIRQ,
 420
 421         /* 24xx clock */
 422         W14_24XX_SYS_CLKOUT,
 423
 424         /* 24xx GPMC wait pin monitoring */
 425         L3_GPMC_WAIT0,
 426         N7_GPMC_WAIT1,
 427         M1_GPMC_WAIT2,
 428         P1_GPMC_WAIT3,
 429
 430         /* 242X McBSP */
 431         Y15_24XX_MCBSP2_CLKX,
 432         R14_24XX_MCBSP2_FSX,
 433         W15_24XX_MCBSP2_DR,
 434         V15_24XX_MCBSP2_DX,
 435
 436         /* 24xx GPIO */
 437         M21_242X_GPIO11,
 438         AA10_242X_GPIO13,
 439         AA6_242X_GPIO14,
 440         AA4_242X_GPIO15,
 441         Y11_242X_GPIO16,
 442         AA12_242X_GPIO17,
 443         AA8_242X_GPIO58,
 444         Y20_24XX_GPIO60,
 445         W4__24XX_GPIO74,
 446         M15_24XX_GPIO92,
 447         V14_24XX_GPIO117,
 448
 449         /* 242x DBG GPIO */
 450         V4_242X_GPIO49,
 451         W2_242X_GPIO50,
 452         U4_242X_GPIO51,
 453         V3_242X_GPIO52,
 454         V2_242X_GPIO53,
 455         V6_242X_GPIO53,
 456         T4_242X_GPIO54,
 457         Y4_242X_GPIO54,
 458         T3_242X_GPIO55,
 459         U2_242X_GPIO56,
 460
 461         /* 24xx external DMA requests */
 462         AA10_242X_DMAREQ0,
 463         AA6_242X_DMAREQ1,
 464         E4_242X_DMAREQ2,
 465         G4_242X_DMAREQ3,
 466         D3_242X_DMAREQ4,
 467         E3_242X_DMAREQ5,
 468
 469         P20_24XX_TSC_IRQ,
 470
 471         /* UART3 */
 472         K15_24XX_UART3_TX,
 473         K14_24XX_UART3_RX,
 474
 475         /* MMC/SDIO */
 476         G19_24XX_MMC_CLKO,
 477         H18_24XX_MMC_CMD,
 478         F20_24XX_MMC_DAT0,
 479         H14_24XX_MMC_DAT1,
 480         E19_24XX_MMC_DAT2,
 481         D19_24XX_MMC_DAT3,
 482         F19_24XX_MMC_DAT_DIR0,
 483         E20_24XX_MMC_DAT_DIR1,
 484         F18_24XX_MMC_DAT_DIR2,
 485         E18_24XX_MMC_DAT_DIR3,
 486         G18_24XX_MMC_CMD_DIR,
 487         H15_24XX_MMC_CLKI,
 488
 489         /* Keypad GPIO*/
 490         T19_24XX_KBR0,
 491         R19_24XX_KBR1,
 492         V18_24XX_KBR2,
 493         M21_24XX_KBR3,
 494         E5__24XX_KBR4,
 495         M18_24XX_KBR5,
 496         R20_24XX_KBC0,
 497         M14_24XX_KBC1,
 498         H19_24XX_KBC2,
 499         V17_24XX_KBC3,
 500         P21_24XX_KBC4,
 501         L14_24XX_KBC5,
 502         N19_24XX_KBC6,
 503
 504         /* 24xx Menelaus Keypad GPIO */
 505         B3__24XX_KBR5,
 506         AA4_24XX_KBC2,
 507         B13_24XX_KBC6,
 508 };
 509
 510 #ifdef  CONFIG_OMAP_MUX
 511 /* setup pin muxing in Linux */
 512 extern int omap1_mux_init(void);
 513 extern int omap2_mux_init(void);
 514 extern int omap_mux_register(struct pin_config * pins, unsigned long size);
 515 extern int omap_cfg_reg(unsigned long reg_cfg);
 516 #else
 517 /* boot loader does it all (no warnings from CONFIG_OMAP_MUX_WARNINGS) */
 518 static inline int omap1_mux_init(void) { return 0; }
 519 static inline int omap2_mux_init(void) { return 0; }
 520 static inline int omap_cfg_reg(unsigned long reg_cfg) { return 0; }
 521 #endif
 522
 523 #endif