arch/arm/mach-omap2/board-rx51-peripherals.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-rx51-peripherals.c
   3  *
   4  * Copyright (C) 2008-2009 Nokia
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/input.h>
  15 #include <linux/input/matrix_keypad.h>
  16 #include <linux/spi/spi.h>
  17 #include <linux/i2c.h>
  18 #include <linux/i2c/twl4030.h>
  19 #include <linux/clk.h>
  20 #include <linux/delay.h>
  21 #include <linux/regulator/machine.h>
  22 #include <linux/gpio.h>
  23 #include <linux/mmc/host.h>
  24
  25 #include <plat/mcspi.h>
  26 #include <plat/mux.h>
  27 #include <plat/board.h>
  28 #include <plat/common.h>
  29 #include <plat/dma.h>
  30 #include <plat/gpmc.h>
  31 #include <plat/onenand.h>
  32 #include <plat/gpmc-smc91x.h>
  33
  34 #include "mmc-twl4030.h"
  35
  36 #define SYSTEM_REV_B_USES_VAUX3 0x1699
  37 #define SYSTEM_REV_S_USES_VAUX3 0x8
  38
  39 static int board_keymap[] = {
  40         KEY(0, 0, KEY_Q),
  41         KEY(0, 1, KEY_O),
  42         KEY(0, 2, KEY_P),
  43         KEY(0, 3, KEY_COMMA),
  44         KEY(0, 4, KEY_BACKSPACE),
  45         KEY(0, 6, KEY_A),
  46         KEY(0, 7, KEY_S),
  47         KEY(1, 0, KEY_W),
  48         KEY(1, 1, KEY_D),
  49         KEY(1, 2, KEY_F),
  50         KEY(1, 3, KEY_G),
  51         KEY(1, 4, KEY_H),
  52         KEY(1, 5, KEY_J),
  53         KEY(1, 6, KEY_K),
  54         KEY(1, 7, KEY_L),
  55         KEY(2, 0, KEY_E),
  56         KEY(2, 1, KEY_DOT),
  57         KEY(2, 2, KEY_UP),
  58         KEY(2, 3, KEY_ENTER),
  59         KEY(2, 5, KEY_Z),
  60         KEY(2, 6, KEY_X),
  61         KEY(2, 7, KEY_C),
  62         KEY(3, 0, KEY_R),
  63         KEY(3, 1, KEY_V),
  64         KEY(3, 2, KEY_B),
  65         KEY(3, 3, KEY_N),
  66         KEY(3, 4, KEY_M),
  67         KEY(3, 5, KEY_SPACE),
  68         KEY(3, 6, KEY_SPACE),
  69         KEY(3, 7, KEY_LEFT),
  70         KEY(4, 0, KEY_T),
  71         KEY(4, 1, KEY_DOWN),
  72         KEY(4, 2, KEY_RIGHT),
  73         KEY(4, 4, KEY_LEFTCTRL),
  74         KEY(4, 5, KEY_RIGHTALT),
  75         KEY(4, 6, KEY_LEFTSHIFT),
  76         KEY(5, 0, KEY_Y),
  77         KEY(6, 0, KEY_U),
  78         KEY(7, 0, KEY_I),
  79         KEY(7, 1, KEY_F7),
  80         KEY(7, 2, KEY_F8),
  81         KEY(0xff, 2, KEY_F9),
  82         KEY(0xff, 4, KEY_F10),
  83         KEY(0xff, 5, KEY_F11),
  84 };
  85
  86 static struct matrix_keymap_data board_map_data = {
  87         .keymap                 = board_keymap,
  88         .keymap_size            = ARRAY_SIZE(board_keymap),
  89 };
  90
  91 static struct twl4030_keypad_data rx51_kp_data = {
  92         .keymap_data    = &board_map_data,
  93         .rows           = 8,
  94         .cols           = 8,
  95         .rep            = 1,
  96 };
  97
  98 static struct twl4030_madc_platform_data rx51_madc_data = {
  99         .irq_line               = 1,
 100 };
 101
 102 static struct twl4030_hsmmc_info mmc[] = {
 103         {
 104                 .name           = "external",
 105                 .mmc            = 1,
 106                 .wires          = 4,
 107                 .cover_only     = true,
 108                 .gpio_cd        = 160,
 109                 .gpio_wp        = -EINVAL,
 110                 .power_saving   = true,
 111         },
 112         {
 113                 .name           = "internal",
 114                 .mmc            = 2,
 115                 .wires          = 8,
 116                 .gpio_cd        = -EINVAL,
 117                 .gpio_wp        = -EINVAL,
 118                 .nonremovable   = true,
 119                 .power_saving   = true,
 120         },
 121         {}      /* Terminator */
 122 };
 123
 124 static struct regulator_consumer_supply rx51_vmmc1_supply = {
 125         .supply                 = "vmmc",
 126 };
 127
 128 static struct regulator_consumer_supply rx51_vmmc2_supply = {
 129         .supply                 = "vmmc",
 130 };
 131
 132 static struct regulator_consumer_supply rx51_vsim_supply = {
 133         .supply                 = "vmmc_aux",
 134 };
 135
 136 static struct regulator_init_data rx51_vaux1 = {
 137         .constraints = {
 138                 .name                   = "V28",
 139                 .min_uV                 = 2800000,
 140                 .max_uV                 = 2800000,
 141                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 142                                         | REGULATOR_MODE_STANDBY,
 143                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 144                                         | REGULATOR_CHANGE_STATUS,
 145         },
 146 };
 147
 148 static struct regulator_init_data rx51_vaux2 = {
 149         .constraints = {
 150                 .name                   = "VCSI",
 151                 .min_uV                 = 1800000,
 152                 .max_uV                 = 1800000,
 153                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 154                                         | REGULATOR_MODE_STANDBY,
 155                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 156                                         | REGULATOR_CHANGE_STATUS,
 157         },
 158 };
 159
 160 /* VAUX3 - adds more power to VIO_18 rail */
 161 static struct regulator_init_data rx51_vaux3_cam = {
 162         .constraints = {
 163                 .name                   = "VCAM_DIG_18",
 164                 .min_uV                 = 1800000,
 165                 .max_uV                 = 1800000,
 166                 .apply_uV               = true,
 167                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 168                                         | REGULATOR_MODE_STANDBY,
 169                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 170                                         | REGULATOR_CHANGE_STATUS,
 171         },
 172 };
 173
 174 static struct regulator_init_data rx51_vaux3_mmc = {
 175         .constraints = {
 176                 .name                   = "VMMC2_30",
 177                 .min_uV                 = 2800000,
 178                 .max_uV                 = 3000000,
 179                 .apply_uV               = true,
 180                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 181                                         | REGULATOR_MODE_STANDBY,
 182                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 183                                         | REGULATOR_CHANGE_MODE
 184                                         | REGULATOR_CHANGE_STATUS,
 185         },
 186         .num_consumer_supplies  = 1,
 187         .consumer_supplies      = &rx51_vmmc2_supply,
 188 };
 189
 190 static struct regulator_init_data rx51_vaux4 = {
 191         .constraints = {
 192                 .name                   = "VCAM_ANA_28",
 193                 .min_uV                 = 2800000,
 194                 .max_uV                 = 2800000,
 195                 .apply_uV               = true,
 196                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 197                                         | REGULATOR_MODE_STANDBY,
 198                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 199                                         | REGULATOR_CHANGE_STATUS,
 200         },
 201 };
 202
 203 static struct regulator_init_data rx51_vmmc1 = {
 204         .constraints = {
 205                 .min_uV                 = 1850000,
 206                 .max_uV                 = 3150000,
 207                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 208                                         | REGULATOR_MODE_STANDBY,
 209                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 210                                         | REGULATOR_CHANGE_MODE
 211                                         | REGULATOR_CHANGE_STATUS,
 212         },
 213         .num_consumer_supplies  = 1,
 214         .consumer_supplies      = &rx51_vmmc1_supply,
 215 };
 216
 217 static struct regulator_init_data rx51_vmmc2 = {
 218         .constraints = {
 219                 .name                   = "VMMC2_30",
 220                 .min_uV                 = 1850000,
 221                 .max_uV                 = 3150000,
 222                 .apply_uV               = true,
 223                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 224                                         | REGULATOR_MODE_STANDBY,
 225                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 226                                         | REGULATOR_CHANGE_MODE
 227                                         | REGULATOR_CHANGE_STATUS,
 228         },
 229         .num_consumer_supplies  = 1,
 230         .consumer_supplies      = &rx51_vmmc2_supply,
 231 };
 232
 233 static struct regulator_init_data rx51_vsim = {
 234         .constraints = {
 235                 .name                   = "VMMC2_IO_18",
 236                 .min_uV                 = 1800000,
 237                 .max_uV                 = 1800000,
 238                 .apply_uV               = true,
 239                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 240                                         | REGULATOR_MODE_STANDBY,
 241                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 242                                         | REGULATOR_CHANGE_STATUS,
 243         },
 244         .num_consumer_supplies  = 1,
 245         .consumer_supplies      = &rx51_vsim_supply,
 246 };
 247
 248 static struct regulator_init_data rx51_vdac = {
 249         .constraints = {
 250                 .min_uV                 = 1800000,
 251                 .max_uV                 = 1800000,
 252                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 253                                         | REGULATOR_MODE_STANDBY,
 254                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 255                                         | REGULATOR_CHANGE_MODE
 256                                         | REGULATOR_CHANGE_STATUS,
 257         },
 258 };
 259
 260 static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n)
 261 {
 262         /* FIXME this gpio setup is just a placeholder for now */
 263         gpio_request(gpio + 6, "backlight_pwm");
 264         gpio_direction_output(gpio + 6, 0);
 265         gpio_request(gpio + 7, "speaker_en");
 266         gpio_direction_output(gpio + 7, 1);
 267
 268         /* set up MMC adapters, linking their regulators to them */
 269         twl4030_mmc_init(mmc);
 270         rx51_vmmc1_supply.dev = mmc[0].dev;
 271         rx51_vmmc2_supply.dev = mmc[1].dev;
 272         rx51_vsim_supply.dev = mmc[1].dev;
 273
 274         return 0;
 275 }
 276
 277 static struct twl4030_gpio_platform_data rx51_gpio_data = {
 278         .gpio_base              = OMAP_MAX_GPIO_LINES,
 279         .irq_base               = TWL4030_GPIO_IRQ_BASE,
 280         .irq_end                = TWL4030_GPIO_IRQ_END,
 281         .pulldowns              = BIT(0) | BIT(1) | BIT(2) | BIT(3)
 282                                 | BIT(4) | BIT(5)
 283                                 | BIT(8) | BIT(9) | BIT(10) | BIT(11)
 284                                 | BIT(12) | BIT(13) | BIT(14) | BIT(15)
 285                                 | BIT(16) | BIT(17) ,
 286         .setup                  = rx51_twlgpio_setup,
 287 };
 288
 289 static struct twl4030_usb_data rx51_usb_data = {
 290         .usb_mode               = T2_USB_MODE_ULPI,
 291 };
 292
 293 static struct twl4030_ins sleep_on_seq[] __initdata = {
 294 /*
 295  * Turn off VDD1 and VDD2.
 296  */
 297         {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_OFF), 4},
 298         {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_OFF), 2},
 299 /*
 300  * And also turn off the OMAP3 PLLs and the sysclk output.
 301  */
 302         {MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_OFF), 3},
 303         {MSG_SINGULAR(DEV_GRP_P1, 0x17, RES_STATE_OFF), 3},
 304 };
 305
 306 static struct twl4030_script sleep_on_script __initdata = {
 307         .script = sleep_on_seq,
 308         .size   = ARRAY_SIZE(sleep_on_seq),
 309         .flags  = TWL4030_SLEEP_SCRIPT,
 310 };
 311
 312 static struct twl4030_ins wakeup_seq[] __initdata = {
 313 /*
 314  * Reenable the OMAP3 PLLs.
 315  * Wakeup VDD1 and VDD2.
 316  * Reenable sysclk output.
 317  */
 318         {MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_ACTIVE), 0x30},
 319         {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_ACTIVE), 0x30},
 320         {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_ACTIVE), 0x37},
 321         {MSG_SINGULAR(DEV_GRP_P1, 0x19, RES_STATE_ACTIVE), 3},
 322 };
 323
 324 static struct twl4030_script wakeup_script __initdata = {
 325         .script = wakeup_seq,
 326         .size   = ARRAY_SIZE(wakeup_seq),
 327         .flags  = TWL4030_WAKEUP12_SCRIPT,
 328 };
 329
 330 static struct twl4030_ins wakeup_p3_seq[] __initdata = {
 331 /*
 332  * Wakeup VDD1 (dummy to be able to insert a delay)
 333  * Enable CLKEN
 334  */
 335         {MSG_SINGULAR(DEV_GRP_P1, 0x17, RES_STATE_ACTIVE), 3},
 336 };
 337
 338 static struct twl4030_script wakeup_p3_script __initdata = {
 339         .script = wakeup_p3_seq,
 340         .size   = ARRAY_SIZE(wakeup_p3_seq),
 341         .flags  = TWL4030_WAKEUP3_SCRIPT,
 342 };
 343
 344 static struct twl4030_ins wrst_seq[] __initdata = {
 345 /*
 346  * Reset twl4030.
 347  * Reset VDD1 regulator.
 348  * Reset VDD2 regulator.
 349  * Reset VPLL1 regulator.
 350  * Enable sysclk output.
 351  * Reenable twl4030.
 352  */
 353         {MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_OFF), 2},
 354         {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, 0, 1, RES_STATE_ACTIVE),
 355                 0x13},
 356         {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_PP, 0, 2, RES_STATE_WRST), 0x13},
 357         {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_PP, 0, 3, RES_STATE_OFF), 0x13},
 358         {MSG_SINGULAR(DEV_GRP_NULL, RES_VDD1, RES_STATE_WRST), 0x13},
 359         {MSG_SINGULAR(DEV_GRP_NULL, RES_VDD2, RES_STATE_WRST), 0x13},
 360         {MSG_SINGULAR(DEV_GRP_NULL, RES_VPLL1, RES_STATE_WRST), 0x35},
 361         {MSG_SINGULAR(DEV_GRP_P1, RES_HFCLKOUT, RES_STATE_ACTIVE), 2},
 362         {MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_ACTIVE), 2},
 363 };
 364
 365 static struct twl4030_script wrst_script __initdata = {
 366         .script = wrst_seq,
 367         .size   = ARRAY_SIZE(wrst_seq),
 368         .flags  = TWL4030_WRST_SCRIPT,
 369 };
 370
 371 static struct twl4030_script *twl4030_scripts[] __initdata = {
 372         /* wakeup12 script should be loaded before sleep script, otherwise a
 373            board might hit retention before loading of wakeup script is
 374            completed. This can cause boot failures depending on timing issues.
 375         */
 376         &wakeup_script,
 377         &sleep_on_script,
 378         &wakeup_p3_script,
 379         &wrst_script,
 380 };
 381
 382 static struct twl4030_resconfig twl4030_rconfig[] __initdata = {
 383         { .resource = RES_VINTANA1, .devgroup = -1, .type = -1, .type2 = 1 },
 384         { .resource = RES_VINTANA2, .devgroup = -1, .type = -1, .type2 = 1 },
 385         { .resource = RES_VINTDIG, .devgroup = -1, .type = -1, .type2 = 1 },
 386         { .resource = RES_VMMC1, .devgroup = -1, .type = -1, .type2 = 3},
 387         { .resource = RES_VMMC2, .devgroup = DEV_GRP_NULL, .type = -1,
 388           .type2 = 3},
 389         { .resource = RES_VAUX1, .devgroup = -1, .type = -1, .type2 = 3},
 390         { .resource = RES_VAUX2, .devgroup = -1, .type = -1, .type2 = 3},
 391         { .resource = RES_VAUX3, .devgroup = -1, .type = -1, .type2 = 3},
 392         { .resource = RES_VAUX4, .devgroup = -1, .type = -1, .type2 = 3},
 393         { .resource = RES_VPLL2, .devgroup = -1, .type = -1, .type2 = 3},
 394         { .resource = RES_VDAC, .devgroup = -1, .type = -1, .type2 = 3},
 395         { .resource = RES_VSIM, .devgroup = DEV_GRP_NULL, .type = -1,
 396           .type2 = 3},
 397         { .resource = RES_CLKEN, .devgroup = DEV_GRP_P3, .type = -1,
 398                 .type2 = 1 },
 399         { 0, 0},
 400 };
 401
 402 static struct twl4030_power_data rx51_t2scripts_data __initdata = {
 403         .scripts        = twl4030_scripts,
 404         .num = ARRAY_SIZE(twl4030_scripts),
 405         .resource_config = twl4030_rconfig,
 406 };
 407
 408
 409
 410 static struct twl4030_platform_data rx51_twldata __initdata = {
 411         .irq_base               = TWL4030_IRQ_BASE,
 412         .irq_end                = TWL4030_IRQ_END,
 413
 414         /* platform_data for children goes here */
 415         .gpio                   = &rx51_gpio_data,
 416         .keypad                 = &rx51_kp_data,
 417         .madc                   = &rx51_madc_data,
 418         .usb                    = &rx51_usb_data,
 419         .power                  = &rx51_t2scripts_data,
 420
 421         .vaux1                  = &rx51_vaux1,
 422         .vaux2                  = &rx51_vaux2,
 423         .vaux4                  = &rx51_vaux4,
 424         .vmmc1                  = &rx51_vmmc1,
 425         .vsim                   = &rx51_vsim,
 426         .vdac                   = &rx51_vdac,
 427 };
 428
 429 static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = {
 430         {
 431                 I2C_BOARD_INFO("twl5030", 0x48),
 432                 .flags = I2C_CLIENT_WAKE,
 433                 .irq = INT_34XX_SYS_NIRQ,
 434                 .platform_data = &rx51_twldata,
 435         },
 436 };
 437
 438 static int __init rx51_i2c_init(void)
 439 {
 440         if ((system_rev >= SYSTEM_REV_S_USES_VAUX3 && system_rev < 0x100) ||
 441             system_rev >= SYSTEM_REV_B_USES_VAUX3)
 442                 rx51_twldata.vaux3 = &rx51_vaux3_mmc;
 443         else {
 444                 rx51_twldata.vaux3 = &rx51_vaux3_cam;
 445                 rx51_twldata.vmmc2 = &rx51_vmmc2;
 446         }
 447         omap_register_i2c_bus(1, 2200, rx51_peripherals_i2c_board_info_1,
 448                         ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
 449         omap_register_i2c_bus(2, 100, NULL, 0);
 450         omap_register_i2c_bus(3, 400, NULL, 0);
 451         return 0;
 452 }
 453
 454 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
 455         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
 456
 457 static struct mtd_partition onenand_partitions[] = {
 458         {
 459                 .name           = "bootloader",
 460                 .offset         = 0,
 461                 .size           = 0x20000,
 462                 .mask_flags     = MTD_WRITEABLE,        /* Force read-only */
 463         },
 464         {
 465                 .name           = "config",
 466                 .offset         = MTDPART_OFS_APPEND,
 467                 .size           = 0x60000,
 468         },
 469         {
 470                 .name           = "log",
 471                 .offset         = MTDPART_OFS_APPEND,
 472                 .size           = 0x40000,
 473         },
 474         {
 475                 .name           = "kernel",
 476                 .offset         = MTDPART_OFS_APPEND,
 477                 .size           = 0x200000,
 478         },
 479         {
 480                 .name           = "initfs",
 481                 .offset         = MTDPART_OFS_APPEND,
 482                 .size           = 0x200000,
 483         },
 484         {
 485                 .name           = "rootfs",
 486                 .offset         = MTDPART_OFS_APPEND,
 487                 .size           = MTDPART_SIZ_FULL,
 488         },
 489 };
 490
 491 static struct omap_onenand_platform_data board_onenand_data = {
 492         .cs             = 0,
 493         .gpio_irq       = 65,
 494         .parts          = onenand_partitions,
 495         .nr_parts       = ARRAY_SIZE(onenand_partitions),
 496         .flags          = ONENAND_SYNC_READWRITE,
 497 };
 498
 499 static void __init board_onenand_init(void)
 500 {
 501         gpmc_onenand_init(&board_onenand_data);
 502 }
 503
 504 #else
 505
 506 static inline void board_onenand_init(void)
 507 {
 508 }
 509
 510 #endif
 511
 512 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 513
 514 static struct omap_smc91x_platform_data board_smc91x_data = {
 515         .cs             = 1,
 516         .gpio_irq       = 54,
 517         .gpio_pwrdwn    = 86,
 518         .gpio_reset     = 164,
 519         .flags          = GPMC_TIMINGS_SMC91C96 | IORESOURCE_IRQ_HIGHLEVEL,
 520 };
 521
 522 static void __init board_smc91x_init(void)
 523 {
 524         omap_cfg_reg(U8_34XX_GPIO54_DOWN);
 525         omap_cfg_reg(G25_34XX_GPIO86_OUT);
 526         omap_cfg_reg(H19_34XX_GPIO164_OUT);
 527
 528         gpmc_smc91x_init(&board_smc91x_data);
 529 }
 530
 531 #else
 532
 533 static inline void board_smc91x_init(void)
 534 {
 535 }
 536
 537 #endif
 538
 539 void __init rx51_peripherals_init(void)
 540 {
 541         rx51_i2c_init();
 542         board_onenand_init();
 543         board_smc91x_init();
 544 }
 545