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

   1 /*
   2  * arch/arm/plat-omap/include/mach/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_7XX(reg, mode_offset, mode) .mux_reg_name = "OMAP7XX_IO_CONF_"#reg, \
  55                                         .mux_reg = OMAP7XX_IO_CONF_##reg, \
  56                                         .mask_offset = mode_offset, \
  57                                         .mask = mode,
  58
  59 #define PULL_REG_7XX(reg, bit, status)  .pull_name = "OMAP7XX_IO_CONF_"#reg, \
  60                                         .pull_reg = OMAP7XX_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_7XX(reg, mode_offset, mode) \
  78                                         .mux_reg = OMAP7XX_IO_CONF_##reg, \
  79                                         .mask_offset = mode_offset, \
  80                                         .mask = mode,
  81
  82 #define PULL_REG_7XX(reg, bit, status)  .pull_reg = OMAP7XX_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  * OMAP730/850 has a slightly different config for the pin mux.
 102  * - config regs are the OMAP7XX_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_7XX(desc, mux_reg, mode_offset, mode,   \
 108                    pull_bit, pull_status, debug_status)\
 109 {                                                       \
 110         .name =  desc,                                  \
 111         .debug = debug_status,                          \
 112         MUX_REG_7XX(mux_reg, mode_offset, mode)         \
 113         PULL_REG_7XX(mux_reg, pull_bit, pull_status)    \
 114         PU_PD_REG(NA, 0)                \
 115 },
 116
 117 struct pin_config {
 118         char                    *name;
 119         const unsigned int      mux_reg;
 120         unsigned char           debug;
 121
 122         const unsigned char mask_offset;
 123         const unsigned char mask;
 124
 125         const char *pull_name;
 126         const unsigned int pull_reg;
 127         const unsigned char pull_val;
 128         const unsigned char pull_bit;
 129
 130         const char *pu_pd_name;
 131         const unsigned int pu_pd_reg;
 132         const unsigned char pu_pd_val;
 133
 134 #if     defined(CONFIG_OMAP_MUX_DEBUG) || defined(CONFIG_OMAP_MUX_WARNINGS)
 135         const char *mux_reg_name;
 136 #endif
 137
 138 };
 139
 140 enum omap7xx_index {
 141         /* OMAP 730 keyboard */
 142         E2_7XX_KBR0,
 143         J7_7XX_KBR1,
 144         E1_7XX_KBR2,
 145         F3_7XX_KBR3,
 146         D2_7XX_KBR4,
 147         C2_7XX_KBC0,
 148         D3_7XX_KBC1,
 149         E4_7XX_KBC2,
 150         F4_7XX_KBC3,
 151         E3_7XX_KBC4,
 152
 153         /* USB */
 154         AA17_7XX_USB_DM,
 155         W16_7XX_USB_PU_EN,
 156         W17_7XX_USB_VBUSI,
 157         W18_7XX_USB_DMCK_OUT,
 158         W19_7XX_USB_DCRST,
 159
 160         /* MMC */
 161         MMC_7XX_CMD,
 162         MMC_7XX_CLK,
 163         MMC_7XX_DAT0,
 164
 165         /* I2C */
 166         I2C_7XX_SCL,
 167         I2C_7XX_SDA,
 168
 169         /* SPI */
 170         SPI_7XX_1,
 171         SPI_7XX_2,
 172         SPI_7XX_3,
 173         SPI_7XX_4,
 174         SPI_7XX_5,
 175         SPI_7XX_6,
 176
 177         /* UART */
 178         UART_7XX_1,
 179         UART_7XX_2,
 180 };
 181
 182 enum omap1xxx_index {
 183         /* UART1 (BT_UART_GATING)*/
 184         UART1_TX = 0,
 185         UART1_RTS,
 186
 187         /* UART2 (COM_UART_GATING)*/
 188         UART2_TX,
 189         UART2_RX,
 190         UART2_CTS,
 191         UART2_RTS,
 192
 193         /* UART3 (GIGA_UART_GATING) */
 194         UART3_TX,
 195         UART3_RX,
 196         UART3_CTS,
 197         UART3_RTS,
 198         UART3_CLKREQ,
 199         UART3_BCLK,     /* 12MHz clock out */
 200         Y15_1610_UART3_RTS,
 201
 202         /* PWT & PWL */
 203         PWT,
 204         PWL,
 205
 206         /* USB master generic */
 207         R18_USB_VBUS,
 208         R18_1510_USB_GPIO0,
 209         W4_USB_PUEN,
 210         W4_USB_CLKO,
 211         W4_USB_HIGHZ,
 212         W4_GPIO58,
 213
 214         /* USB1 master */
 215         USB1_SUSP,
 216         USB1_SEO,
 217         W13_1610_USB1_SE0,
 218         USB1_TXEN,
 219         USB1_TXD,
 220         USB1_VP,
 221         USB1_VM,
 222         USB1_RCV,
 223         USB1_SPEED,
 224         R13_1610_USB1_SPEED,
 225         R13_1710_USB1_SE0,
 226
 227         /* USB2 master */
 228         USB2_SUSP,
 229         USB2_VP,
 230         USB2_TXEN,
 231         USB2_VM,
 232         USB2_RCV,
 233         USB2_SEO,
 234         USB2_TXD,
 235
 236         /* OMAP-1510 GPIO */
 237         R18_1510_GPIO0,
 238         R19_1510_GPIO1,
 239         M14_1510_GPIO2,
 240
 241         /* OMAP1610 GPIO */
 242         P18_1610_GPIO3,
 243         Y15_1610_GPIO17,
 244
 245         /* OMAP-1710 GPIO */
 246         R18_1710_GPIO0,
 247         V2_1710_GPIO10,
 248         N21_1710_GPIO14,
 249         W15_1710_GPIO40,
 250
 251         /* MPUIO */
 252         MPUIO2,
 253         N15_1610_MPUIO2,
 254         MPUIO4,
 255         MPUIO5,
 256         T20_1610_MPUIO5,
 257         W11_1610_MPUIO6,
 258         V10_1610_MPUIO7,
 259         W11_1610_MPUIO9,
 260         V10_1610_MPUIO10,
 261         W10_1610_MPUIO11,
 262         E20_1610_MPUIO13,
 263         U20_1610_MPUIO14,
 264         E19_1610_MPUIO15,
 265
 266         /* MCBSP2 */
 267         MCBSP2_CLKR,
 268         MCBSP2_CLKX,
 269         MCBSP2_DR,
 270         MCBSP2_DX,
 271         MCBSP2_FSR,
 272         MCBSP2_FSX,
 273
 274         /* MCBSP3 */
 275         MCBSP3_CLKX,
 276
 277         /* Misc ballouts */
 278         BALLOUT_V8_ARMIO3,
 279         N20_HDQ,
 280
 281         /* OMAP-1610 MMC2 */
 282         W8_1610_MMC2_DAT0,
 283         V8_1610_MMC2_DAT1,
 284         W15_1610_MMC2_DAT2,
 285         R10_1610_MMC2_DAT3,
 286         Y10_1610_MMC2_CLK,
 287         Y8_1610_MMC2_CMD,
 288         V9_1610_MMC2_CMDDIR,
 289         V5_1610_MMC2_DATDIR0,
 290         W19_1610_MMC2_DATDIR1,
 291         R18_1610_MMC2_CLKIN,
 292
 293         /* OMAP-1610 External Trace Interface */
 294         M19_1610_ETM_PSTAT0,
 295         L15_1610_ETM_PSTAT1,
 296         L18_1610_ETM_PSTAT2,
 297         L19_1610_ETM_D0,
 298         J19_1610_ETM_D6,
 299         J18_1610_ETM_D7,
 300
 301         /* OMAP16XX GPIO */
 302         P20_1610_GPIO4,
 303         V9_1610_GPIO7,
 304         W8_1610_GPIO9,
 305         N20_1610_GPIO11,
 306         N19_1610_GPIO13,
 307         P10_1610_GPIO22,
 308         V5_1610_GPIO24,
 309         AA20_1610_GPIO_41,
 310         W19_1610_GPIO48,
 311         M7_1610_GPIO62,
 312         V14_16XX_GPIO37,
 313         R9_16XX_GPIO18,
 314         L14_16XX_GPIO49,
 315
 316         /* OMAP-1610 uWire */
 317         V19_1610_UWIRE_SCLK,
 318         U18_1610_UWIRE_SDI,
 319         W21_1610_UWIRE_SDO,
 320         N14_1610_UWIRE_CS0,
 321         P15_1610_UWIRE_CS3,
 322         N15_1610_UWIRE_CS1,
 323
 324         /* OMAP-1610 SPI */
 325         U19_1610_SPIF_SCK,
 326         U18_1610_SPIF_DIN,
 327         P20_1610_SPIF_DIN,
 328         W21_1610_SPIF_DOUT,
 329         R18_1610_SPIF_DOUT,
 330         N14_1610_SPIF_CS0,
 331         N15_1610_SPIF_CS1,
 332         T19_1610_SPIF_CS2,
 333         P15_1610_SPIF_CS3,
 334
 335         /* OMAP-1610 Flash */
 336         L3_1610_FLASH_CS2B_OE,
 337         M8_1610_FLASH_CS2B_WE,
 338
 339         /* First MMC */
 340         MMC_CMD,
 341         MMC_DAT1,
 342         MMC_DAT2,
 343         MMC_DAT0,
 344         MMC_CLK,
 345         MMC_DAT3,
 346
 347         /* OMAP-1710 MMC CMDDIR and DATDIR0 */
 348         M15_1710_MMC_CLKI,
 349         P19_1710_MMC_CMDDIR,
 350         P20_1710_MMC_DATDIR0,
 351
 352         /* OMAP-1610 USB0 alternate pin configuration */
 353         W9_USB0_TXEN,
 354         AA9_USB0_VP,
 355         Y5_USB0_RCV,
 356         R9_USB0_VM,
 357         V6_USB0_TXD,
 358         W5_USB0_SE0,
 359         V9_USB0_SPEED,
 360         V9_USB0_SUSP,
 361
 362         /* USB2 */
 363         W9_USB2_TXEN,
 364         AA9_USB2_VP,
 365         Y5_USB2_RCV,
 366         R9_USB2_VM,
 367         V6_USB2_TXD,
 368         W5_USB2_SE0,
 369
 370         /* 16XX UART */
 371         R13_1610_UART1_TX,
 372         V14_16XX_UART1_RX,
 373         R14_1610_UART1_CTS,
 374         AA15_1610_UART1_RTS,
 375         R9_16XX_UART2_RX,
 376         L14_16XX_UART3_RX,
 377
 378         /* I2C OMAP-1610 */
 379         I2C_SCL,
 380         I2C_SDA,
 381
 382         /* Keypad */
 383         F18_1610_KBC0,
 384         D20_1610_KBC1,
 385         D19_1610_KBC2,
 386         E18_1610_KBC3,
 387         C21_1610_KBC4,
 388         G18_1610_KBR0,
 389         F19_1610_KBR1,
 390         H14_1610_KBR2,
 391         E20_1610_KBR3,
 392         E19_1610_KBR4,
 393         N19_1610_KBR5,
 394
 395         /* Power management */
 396         T20_1610_LOW_PWR,
 397
 398         /* MCLK Settings */
 399         V5_1710_MCLK_ON,
 400         V5_1710_MCLK_OFF,
 401         R10_1610_MCLK_ON,
 402         R10_1610_MCLK_OFF,
 403
 404         /* CompactFlash controller */
 405         P11_1610_CF_CD2,
 406         R11_1610_CF_IOIS16,
 407         V10_1610_CF_IREQ,
 408         W10_1610_CF_RESET,
 409         W11_1610_CF_CD1,
 410
 411         /* parallel camera */
 412         J15_1610_CAM_LCLK,
 413         J18_1610_CAM_D7,
 414         J19_1610_CAM_D6,
 415         J14_1610_CAM_D5,
 416         K18_1610_CAM_D4,
 417         K19_1610_CAM_D3,
 418         K15_1610_CAM_D2,
 419         K14_1610_CAM_D1,
 420         L19_1610_CAM_D0,
 421         L18_1610_CAM_VS,
 422         L15_1610_CAM_HS,
 423         M19_1610_CAM_RSTZ,
 424         Y15_1610_CAM_OUTCLK,
 425
 426         /* serial camera */
 427         H19_1610_CAM_EXCLK,
 428         Y12_1610_CCP_CLKP,
 429         W13_1610_CCP_CLKM,
 430         W14_1610_CCP_DATAP,
 431         Y14_1610_CCP_DATAM,
 432
 433 };
 434
 435 struct omap_mux_cfg {
 436         struct pin_config       *pins;
 437         unsigned long           size;
 438         int                     (*cfg_reg)(const struct pin_config *cfg);
 439 };
 440
 441 #ifdef  CONFIG_OMAP_MUX
 442 /* setup pin muxing in Linux */
 443 extern int omap1_mux_init(void);
 444 extern int omap_mux_register(struct omap_mux_cfg *);
 445 extern int omap_cfg_reg(unsigned long reg_cfg);
 446 #else
 447 /* boot loader does it all (no warnings from CONFIG_OMAP_MUX_WARNINGS) */
 448 static inline int omap1_mux_init(void) { return 0; }
 449 static inline int omap_cfg_reg(unsigned long reg_cfg) { return 0; }
 450 #endif
 451
 452 extern int omap2_mux_init(void);
 453
 454 #endif