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/spi/spi.h>
  16 #include <linux/i2c.h>
  17 #include <linux/i2c/twl4030.h>
  18 #include <linux/clk.h>
  19 #include <linux/delay.h>
  20 #include <linux/regulator/machine.h>
  21 #include <linux/gpio.h>
  22 #include <linux/mmc/host.h>
  23
  24 #include <mach/mcspi.h>
  25 #include <mach/mux.h>
  26 #include <mach/board.h>
  27 #include <mach/common.h>
  28 #include <mach/dma.h>
  29 #include <mach/gpmc.h>
  30 #include <mach/keypad.h>
  31 #include <mach/onenand.h>
  32 #include <mach/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 rx51_keymap[] = {
  40         KEY(0, 0, KEY_Q),
  41         KEY(0, 1, KEY_W),
  42         KEY(0, 2, KEY_E),
  43         KEY(0, 3, KEY_R),
  44         KEY(0, 4, KEY_T),
  45         KEY(0, 5, KEY_Y),
  46         KEY(0, 6, KEY_U),
  47         KEY(0, 7, KEY_I),
  48         KEY(1, 0, KEY_O),
  49         KEY(1, 1, KEY_D),
  50         KEY(1, 2, KEY_DOT),
  51         KEY(1, 3, KEY_V),
  52         KEY(1, 4, KEY_DOWN),
  53         KEY(2, 0, KEY_P),
  54         KEY(2, 1, KEY_F),
  55         KEY(2, 2, KEY_UP),
  56         KEY(2, 3, KEY_B),
  57         KEY(2, 4, KEY_RIGHT),
  58         KEY(3, 0, KEY_COMMA),
  59         KEY(3, 1, KEY_G),
  60         KEY(3, 2, KEY_ENTER),
  61         KEY(3, 3, KEY_N),
  62         KEY(4, 0, KEY_BACKSPACE),
  63         KEY(4, 1, KEY_H),
  64         KEY(4, 3, KEY_M),
  65         KEY(4, 4, KEY_LEFTCTRL),
  66         KEY(5, 1, KEY_J),
  67         KEY(5, 2, KEY_Z),
  68         KEY(5, 3, KEY_SPACE),
  69         KEY(5, 4, KEY_LEFTSHIFT),
  70         KEY(6, 0, KEY_A),
  71         KEY(6, 1, KEY_K),
  72         KEY(6, 2, KEY_X),
  73         KEY(6, 3, KEY_SPACE),
  74         KEY(6, 4, KEY_FN),
  75         KEY(7, 0, KEY_S),
  76         KEY(7, 1, KEY_L),
  77         KEY(7, 2, KEY_C),
  78         KEY(7, 3, KEY_LEFT),
  79         KEY(0xff, 0, KEY_F6),
  80         KEY(0xff, 1, KEY_F7),
  81         KEY(0xff, 2, KEY_F8),
  82         KEY(0xff, 4, KEY_F9),
  83         KEY(0xff, 5, KEY_F10),
  84 };
  85
  86 static struct twl4030_keypad_data rx51_kp_data = {
  87         .rows           = 8,
  88         .cols           = 8,
  89         .keymap         = rx51_keymap,
  90         .keymapsize     = ARRAY_SIZE(rx51_keymap),
  91         .rep            = 1,
  92 };
  93
  94 static struct twl4030_madc_platform_data rx51_madc_data = {
  95         .irq_line               = 1,
  96 };
  97
  98 static struct twl4030_hsmmc_info mmc[] = {
  99         {
 100                 .name           = "external",
 101                 .mmc            = 1,
 102                 .wires          = 4,
 103                 .cover_only     = true,
 104                 .gpio_cd        = 160,
 105                 .gpio_wp        = -EINVAL,
 106                 .power_saving   = true,
 107         },
 108         {
 109                 .name           = "internal",
 110                 .mmc            = 2,
 111                 .wires          = 8,
 112                 .gpio_cd        = -EINVAL,
 113                 .gpio_wp        = -EINVAL,
 114                 .nonremovable   = true,
 115                 .power_saving   = true,
 116         },
 117         {}      /* Terminator */
 118 };
 119
 120 static struct regulator_consumer_supply rx51_vmmc1_supply = {
 121         .supply                 = "vmmc",
 122 };
 123
 124 static struct regulator_consumer_supply rx51_vmmc2_supply = {
 125         .supply                 = "vmmc",
 126 };
 127
 128 static struct regulator_consumer_supply rx51_vsim_supply = {
 129         .supply                 = "vmmc_aux",
 130 };
 131
 132 static struct regulator_init_data rx51_vaux1 = {
 133         .constraints = {
 134                 .name                   = "V28",
 135                 .min_uV                 = 2800000,
 136                 .max_uV                 = 2800000,
 137                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 138                                         | REGULATOR_MODE_STANDBY,
 139                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 140                                         | REGULATOR_CHANGE_STATUS,
 141         },
 142 };
 143
 144 static struct regulator_init_data rx51_vaux2 = {
 145         .constraints = {
 146                 .name                   = "VCSI",
 147                 .min_uV                 = 1800000,
 148                 .max_uV                 = 1800000,
 149                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 150                                         | REGULATOR_MODE_STANDBY,
 151                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 152                                         | REGULATOR_CHANGE_STATUS,
 153         },
 154 };
 155
 156 /* VAUX3 - adds more power to VIO_18 rail */
 157 static struct regulator_init_data rx51_vaux3_cam = {
 158         .constraints = {
 159                 .name                   = "VCAM_DIG_18",
 160                 .min_uV                 = 1800000,
 161                 .max_uV                 = 1800000,
 162                 .apply_uV               = true,
 163                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 164                                         | REGULATOR_MODE_STANDBY,
 165                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 166                                         | REGULATOR_CHANGE_STATUS,
 167         },
 168 };
 169
 170 static struct regulator_init_data rx51_vaux3_mmc = {
 171         .constraints = {
 172                 .name                   = "VMMC2_30",
 173                 .min_uV                 = 2800000,
 174                 .max_uV                 = 3000000,
 175                 .apply_uV               = true,
 176                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 177                                         | REGULATOR_MODE_STANDBY,
 178                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 179                                         | REGULATOR_CHANGE_MODE
 180                                         | REGULATOR_CHANGE_STATUS,
 181         },
 182         .num_consumer_supplies  = 1,
 183         .consumer_supplies      = &rx51_vmmc2_supply,
 184 };
 185
 186 static struct regulator_init_data rx51_vaux4 = {
 187         .constraints = {
 188                 .name                   = "VCAM_ANA_28",
 189                 .min_uV                 = 2800000,
 190                 .max_uV                 = 2800000,
 191                 .apply_uV               = true,
 192                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 193                                         | REGULATOR_MODE_STANDBY,
 194                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 195                                         | REGULATOR_CHANGE_STATUS,
 196         },
 197 };
 198
 199 static struct regulator_init_data rx51_vmmc1 = {
 200         .constraints = {
 201                 .min_uV                 = 1850000,
 202                 .max_uV                 = 3150000,
 203                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 204                                         | REGULATOR_MODE_STANDBY,
 205                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 206                                         | REGULATOR_CHANGE_MODE
 207                                         | REGULATOR_CHANGE_STATUS,
 208         },
 209         .num_consumer_supplies  = 1,
 210         .consumer_supplies      = &rx51_vmmc1_supply,
 211 };
 212
 213 static struct regulator_init_data rx51_vmmc2 = {
 214         .constraints = {
 215                 .name                   = "VMMC2_30",
 216                 .min_uV                 = 1850000,
 217                 .max_uV                 = 3150000,
 218                 .apply_uV               = true,
 219                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 220                                         | REGULATOR_MODE_STANDBY,
 221                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 222                                         | REGULATOR_CHANGE_MODE
 223                                         | REGULATOR_CHANGE_STATUS,
 224         },
 225         .num_consumer_supplies  = 1,
 226         .consumer_supplies      = &rx51_vmmc2_supply,
 227 };
 228
 229 static struct regulator_init_data rx51_vsim = {
 230         .constraints = {
 231                 .name                   = "VMMC2_IO_18",
 232                 .min_uV                 = 1800000,
 233                 .max_uV                 = 1800000,
 234                 .apply_uV               = true,
 235                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 236                                         | REGULATOR_MODE_STANDBY,
 237                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 238                                         | REGULATOR_CHANGE_STATUS,
 239         },
 240         .num_consumer_supplies  = 1,
 241         .consumer_supplies      = &rx51_vsim_supply,
 242 };
 243
 244 static struct regulator_init_data rx51_vdac = {
 245         .constraints = {
 246                 .min_uV                 = 1800000,
 247                 .max_uV                 = 1800000,
 248                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 249                                         | REGULATOR_MODE_STANDBY,
 250                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 251                                         | REGULATOR_CHANGE_MODE
 252                                         | REGULATOR_CHANGE_STATUS,
 253         },
 254 };
 255
 256 static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n)
 257 {
 258         /* FIXME this gpio setup is just a placeholder for now */
 259         gpio_request(gpio + 6, "backlight_pwm");
 260         gpio_direction_output(gpio + 6, 0);
 261         gpio_request(gpio + 7, "speaker_en");
 262         gpio_direction_output(gpio + 7, 1);
 263
 264         /* set up MMC adapters, linking their regulators to them */
 265         twl4030_mmc_init(mmc);
 266         rx51_vmmc1_supply.dev = mmc[0].dev;
 267         rx51_vmmc2_supply.dev = mmc[1].dev;
 268         rx51_vsim_supply.dev = mmc[1].dev;
 269
 270         return 0;
 271 }
 272
 273 static struct twl4030_gpio_platform_data rx51_gpio_data = {
 274         .gpio_base              = OMAP_MAX_GPIO_LINES,
 275         .irq_base               = TWL4030_GPIO_IRQ_BASE,
 276         .irq_end                = TWL4030_GPIO_IRQ_END,
 277         .pulldowns              = BIT(0) | BIT(1) | BIT(2) | BIT(3)
 278                                 | BIT(4) | BIT(5)
 279                                 | BIT(8) | BIT(9) | BIT(10) | BIT(11)
 280                                 | BIT(12) | BIT(13) | BIT(14) | BIT(15)
 281                                 | BIT(16) | BIT(17) ,
 282         .setup                  = rx51_twlgpio_setup,
 283 };
 284
 285 static struct twl4030_usb_data rx51_usb_data = {
 286         .usb_mode               = T2_USB_MODE_ULPI,
 287 };
 288
 289 static struct twl4030_ins sleep_on_seq[] __initdata = {
 290 /*
 291  * Turn off VDD1 and VDD2.
 292  */
 293         {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_OFF), 4},
 294         {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_OFF), 2},
 295 /*
 296  * And also turn off the OMAP3 PLLs and the sysclk output.
 297  */
 298         {MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_OFF), 3},
 299         {MSG_SINGULAR(DEV_GRP_P1, 0x17, RES_STATE_OFF), 3},
 300 };
 301
 302 static struct twl4030_script sleep_on_script __initdata = {
 303         .script = sleep_on_seq,
 304         .size   = ARRAY_SIZE(sleep_on_seq),
 305         .flags  = TWL4030_SLEEP_SCRIPT,
 306 };
 307
 308 static struct twl4030_ins wakeup_seq[] __initdata = {
 309 /*
 310  * Reenable the OMAP3 PLLs.
 311  * Wakeup VDD1 and VDD2.
 312  * Reenable sysclk output.
 313  */
 314         {MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_ACTIVE), 0x30},
 315         {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_ACTIVE), 0x30},
 316         {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_ACTIVE), 0x37},
 317         {MSG_SINGULAR(DEV_GRP_P1, 0x19, RES_STATE_ACTIVE), 3},
 318 };
 319
 320 static struct twl4030_script wakeup_script __initdata = {
 321         .script = wakeup_seq,
 322         .size   = ARRAY_SIZE(wakeup_seq),
 323         .flags  = TWL4030_WAKEUP12_SCRIPT,
 324 };
 325
 326 static struct twl4030_ins wakeup_p3_seq[] __initdata = {
 327 /*
 328  * Wakeup VDD1 (dummy to be able to insert a delay)
 329  * Enable CLKEN
 330  */
 331         {MSG_SINGULAR(DEV_GRP_P1, 0x17, RES_STATE_ACTIVE), 3},
 332 };
 333
 334 static struct twl4030_script wakeup_p3_script __initdata = {
 335         .script = wakeup_p3_seq,
 336         .size   = ARRAY_SIZE(wakeup_p3_seq),
 337         .flags  = TWL4030_WAKEUP3_SCRIPT,
 338 };
 339
 340 static struct twl4030_ins wrst_seq[] __initdata = {
 341 /*
 342  * Reset twl4030.
 343  * Reset VDD1 regulator.
 344  * Reset VDD2 regulator.
 345  * Reset VPLL1 regulator.
 346  * Enable sysclk output.
 347  * Reenable twl4030.
 348  */
 349         {MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_OFF), 2},
 350         {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, 0, 1, RES_STATE_ACTIVE),
 351                 0x13},
 352         {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_PP, 0, 2, RES_STATE_WRST), 0x13},
 353         {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_PP, 0, 3, RES_STATE_OFF), 0x13},
 354         {MSG_SINGULAR(DEV_GRP_NULL, RES_VDD1, RES_STATE_WRST), 0x13},
 355         {MSG_SINGULAR(DEV_GRP_NULL, RES_VDD2, RES_STATE_WRST), 0x13},
 356         {MSG_SINGULAR(DEV_GRP_NULL, RES_VPLL1, RES_STATE_WRST), 0x35},
 357         {MSG_SINGULAR(DEV_GRP_P1, RES_HFCLKOUT, RES_STATE_ACTIVE), 2},
 358         {MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_ACTIVE), 2},
 359 };
 360
 361 static struct twl4030_script wrst_script __initdata = {
 362         .script = wrst_seq,
 363         .size   = ARRAY_SIZE(wrst_seq),
 364         .flags  = TWL4030_WRST_SCRIPT,
 365 };
 366
 367 static struct twl4030_script *twl4030_scripts[] __initdata = {
 368         /* wakeup12 script should be loaded before sleep script, otherwise a
 369            board might hit retention before loading of wakeup script is
 370            completed. This can cause boot failures depending on timing issues.
 371         */
 372         &wakeup_script,
 373         &sleep_on_script,
 374         &wakeup_p3_script,
 375         &wrst_script,
 376 };
 377
 378 static struct twl4030_resconfig twl4030_rconfig[] __initdata = {
 379         { .resource = RES_VINTANA1, .devgroup = -1, .type = -1, .type2 = 1 },
 380         { .resource = RES_VINTANA2, .devgroup = -1, .type = -1, .type2 = 1 },
 381         { .resource = RES_VINTDIG, .devgroup = -1, .type = -1, .type2 = 1 },
 382         { .resource = RES_VMMC1, .devgroup = -1, .type = -1, .type2 = 3},
 383         { .resource = RES_VMMC2, .devgroup = DEV_GRP_NULL, .type = -1,
 384           .type2 = 3},
 385         { .resource = RES_VAUX1, .devgroup = -1, .type = -1, .type2 = 3},
 386         { .resource = RES_VAUX2, .devgroup = -1, .type = -1, .type2 = 3},
 387         { .resource = RES_VAUX3, .devgroup = -1, .type = -1, .type2 = 3},
 388         { .resource = RES_VAUX4, .devgroup = -1, .type = -1, .type2 = 3},
 389         { .resource = RES_VPLL2, .devgroup = -1, .type = -1, .type2 = 3},
 390         { .resource = RES_VDAC, .devgroup = -1, .type = -1, .type2 = 3},
 391         { .resource = RES_VSIM, .devgroup = DEV_GRP_NULL, .type = -1,
 392           .type2 = 3},
 393         { .resource = RES_CLKEN, .devgroup = DEV_GRP_P3, .type = -1,
 394                 .type2 = 1 },
 395         { 0, 0},
 396 };
 397
 398 static struct twl4030_power_data rx51_t2scripts_data __initdata = {
 399         .scripts        = twl4030_scripts,
 400         .num = ARRAY_SIZE(twl4030_scripts),
 401         .resource_config = twl4030_rconfig,
 402 };
 403
 404
 405
 406 static struct twl4030_platform_data rx51_twldata __initdata = {
 407         .irq_base               = TWL4030_IRQ_BASE,
 408         .irq_end                = TWL4030_IRQ_END,
 409
 410         /* platform_data for children goes here */
 411         .gpio                   = &rx51_gpio_data,
 412         .keypad                 = &rx51_kp_data,
 413         .madc                   = &rx51_madc_data,
 414         .usb                    = &rx51_usb_data,
 415         .power                  = &rx51_t2scripts_data,
 416
 417         .vaux1                  = &rx51_vaux1,
 418         .vaux2                  = &rx51_vaux2,
 419         .vaux4                  = &rx51_vaux4,
 420         .vmmc1                  = &rx51_vmmc1,
 421         .vsim                   = &rx51_vsim,
 422         .vdac                   = &rx51_vdac,
 423 };
 424
 425 static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = {
 426         {
 427                 I2C_BOARD_INFO("twl5030", 0x48),
 428                 .flags = I2C_CLIENT_WAKE,
 429                 .irq = INT_34XX_SYS_NIRQ,
 430                 .platform_data = &rx51_twldata,
 431         },
 432 };
 433
 434 static int __init rx51_i2c_init(void)
 435 {
 436         if ((system_rev >= SYSTEM_REV_S_USES_VAUX3 && system_rev < 0x100) ||
 437             system_rev >= SYSTEM_REV_B_USES_VAUX3)
 438                 rx51_twldata.vaux3 = &rx51_vaux3_mmc;
 439         else {
 440                 rx51_twldata.vaux3 = &rx51_vaux3_cam;
 441                 rx51_twldata.vmmc2 = &rx51_vmmc2;
 442         }
 443         omap_register_i2c_bus(1, 2600, rx51_peripherals_i2c_board_info_1,
 444                         ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
 445         omap_register_i2c_bus(2, 100, NULL, 0);
 446         omap_register_i2c_bus(3, 400, NULL, 0);
 447         return 0;
 448 }
 449
 450 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
 451         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
 452
 453 static struct mtd_partition onenand_partitions[] = {
 454         {
 455                 .name           = "bootloader",
 456                 .offset         = 0,
 457                 .size           = 0x20000,
 458                 .mask_flags     = MTD_WRITEABLE,        /* Force read-only */
 459         },
 460         {
 461                 .name           = "config",
 462                 .offset         = MTDPART_OFS_APPEND,
 463                 .size           = 0x60000,
 464         },
 465         {
 466                 .name           = "log",
 467                 .offset         = MTDPART_OFS_APPEND,
 468                 .size           = 0x40000,
 469         },
 470         {
 471                 .name           = "kernel",
 472                 .offset         = MTDPART_OFS_APPEND,
 473                 .size           = 0x200000,
 474         },
 475         {
 476                 .name           = "initfs",
 477                 .offset         = MTDPART_OFS_APPEND,
 478                 .size           = 0x200000,
 479         },
 480         {
 481                 .name           = "rootfs",
 482                 .offset         = MTDPART_OFS_APPEND,
 483                 .size           = MTDPART_SIZ_FULL,
 484         },
 485 };
 486
 487 static struct omap_onenand_platform_data board_onenand_data = {
 488         .cs             = 0,
 489         .gpio_irq       = 65,
 490         .parts          = onenand_partitions,
 491         .nr_parts       = ARRAY_SIZE(onenand_partitions),
 492         .flags          = ONENAND_SYNC_READWRITE,
 493 };
 494
 495 static void __init board_onenand_init(void)
 496 {
 497         gpmc_onenand_init(&board_onenand_data);
 498 }
 499
 500 #else
 501
 502 static inline void board_onenand_init(void)
 503 {
 504 }
 505
 506 #endif
 507
 508 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 509
 510 static struct omap_smc91x_platform_data board_smc91x_data = {
 511         .cs             = 1,
 512         .gpio_irq       = 54,
 513         .gpio_pwrdwn    = 86,
 514         .gpio_reset     = 164,
 515         .flags          = GPMC_TIMINGS_SMC91C96 | IORESOURCE_IRQ_HIGHLEVEL,
 516 };
 517
 518 static void __init board_smc91x_init(void)
 519 {
 520         omap_cfg_reg(U8_34XX_GPIO54_DOWN);
 521         omap_cfg_reg(G25_34XX_GPIO86_OUT);
 522         omap_cfg_reg(H19_34XX_GPIO164_OUT);
 523
 524         gpmc_smc91x_init(&board_smc91x_data);
 525 }
 526
 527 #else
 528
 529 static inline void board_smc91x_init(void)
 530 {
 531 }
 532
 533 #endif
 534
 535 void __init rx51_peripherals_init(void)
 536 {
 537         rx51_i2c_init();
 538         board_onenand_init();
 539         board_smc91x_init();
 540 }
 541