arch/arm/mach-omap2/board-omap3beagle.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-omap3beagle.c
   3  *
   4  * Copyright (C) 2008 Texas Instruments
   5  *
   6  * Modified from mach-omap2/board-3430sdp.c
   7  *
   8  * Initial code: Syed Mohammed Khasim
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/delay.h>
  19 #include <linux/err.h>
  20 #include <linux/clk.h>
  21 #include <linux/io.h>
  22 #include <linux/leds.h>
  23 #include <linux/pwm.h>
  24 #include <linux/leds_pwm.h>
  25 #include <linux/gpio.h>
  26 #include <linux/input.h>
  27 #include <linux/gpio_keys.h>
  28 #include <linux/pm_opp.h>
  29 #include <linux/cpu.h>
  30
  31 #include <linux/mtd/mtd.h>
  32 #include <linux/mtd/partitions.h>
  33 #include <linux/mtd/nand.h>
  34 #include <linux/mmc/host.h>
  35 #include <linux/usb/phy.h>
  36 #include <linux/usb/usb_phy_gen_xceiv.h>
  37
  38 #include <linux/regulator/machine.h>
  39 #include <linux/i2c/twl.h>
  40
  41 #include <asm/mach-types.h>
  42 #include <asm/mach/arch.h>
  43 #include <asm/mach/map.h>
  44 #include <asm/mach/flash.h>
  45
  46 #include <video/omapdss.h>
  47 #include <video/omap-panel-data.h>
  48 #include <linux/platform_data/mtd-nand-omap2.h>
  49
  50 #include "common.h"
  51 #include "omap_device.h"
  52 #include "gpmc.h"
  53 #include "soc.h"
  54 #include "mux.h"
  55 #include "hsmmc.h"
  56 #include "pm.h"
  57 #include "board-flash.h"
  58 #include "common-board-devices.h"
  59
  60 #define NAND_CS 0
  61
  62 static struct pwm_lookup pwm_lookup[] = {
  63         /* LEDB -> PMU_STAT */
  64         PWM_LOOKUP("twl-pwmled", 1, "leds_pwm", "beagleboard::pmu_stat"),
  65 };
  66
  67 static struct led_pwm pwm_leds[] = {
  68         {
  69                 .name           = "beagleboard::pmu_stat",
  70                 .max_brightness = 127,
  71                 .pwm_period_ns  = 7812500,
  72         },
  73 };
  74
  75 static struct led_pwm_platform_data pwm_data = {
  76         .num_leds       = ARRAY_SIZE(pwm_leds),
  77         .leds           = pwm_leds,
  78 };
  79
  80 static struct platform_device leds_pwm = {
  81         .name   = "leds_pwm",
  82         .id     = -1,
  83         .dev    = {
  84                 .platform_data = &pwm_data,
  85         },
  86 };
  87
  88 /*
  89  * OMAP3 Beagle revision
  90  * Run time detection of Beagle revision is done by reading GPIO.
  91  * GPIO ID -
  92  *      AXBX    = GPIO173, GPIO172, GPIO171: 1 1 1
  93  *      C1_3    = GPIO173, GPIO172, GPIO171: 1 1 0
  94  *      C4      = GPIO173, GPIO172, GPIO171: 1 0 1
  95  *      XMA/XMB = GPIO173, GPIO172, GPIO171: 0 0 0
  96  *      XMC = GPIO173, GPIO172, GPIO171: 0 1 0
  97  */
  98 enum {
  99         OMAP3BEAGLE_BOARD_UNKN = 0,
 100         OMAP3BEAGLE_BOARD_AXBX,
 101         OMAP3BEAGLE_BOARD_C1_3,
 102         OMAP3BEAGLE_BOARD_C4,
 103         OMAP3BEAGLE_BOARD_XM,
 104         OMAP3BEAGLE_BOARD_XMC,
 105 };
 106
 107 static u8 omap3_beagle_version;
 108
 109 /*
 110  * Board-specific configuration
 111  * Defaults to BeagleBoard-xMC
 112  */
 113 static struct {
 114         int mmc1_gpio_wp;
 115         bool usb_pwr_level;     /* 0 - Active Low, 1 - Active High */
 116         int dvi_pd_gpio;
 117         int usr_button_gpio;
 118         int mmc_caps;
 119 } beagle_config = {
 120         .mmc1_gpio_wp = -EINVAL,
 121         .usb_pwr_level = 0,
 122         .dvi_pd_gpio = -EINVAL,
 123         .usr_button_gpio = 4,
 124         .mmc_caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 125 };
 126
 127 static struct gpio omap3_beagle_rev_gpios[] __initdata = {
 128         { 171, GPIOF_IN, "rev_id_0"    },
 129         { 172, GPIOF_IN, "rev_id_1" },
 130         { 173, GPIOF_IN, "rev_id_2"    },
 131 };
 132
 133 static void __init omap3_beagle_init_rev(void)
 134 {
 135         int ret;
 136         u16 beagle_rev = 0;
 137
 138         omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP);
 139         omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP);
 140         omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP);
 141
 142         ret = gpio_request_array(omap3_beagle_rev_gpios,
 143                                  ARRAY_SIZE(omap3_beagle_rev_gpios));
 144         if (ret < 0) {
 145                 printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
 146                 omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
 147                 return;
 148         }
 149
 150         beagle_rev = gpio_get_value(171) | (gpio_get_value(172) << 1)
 151                         | (gpio_get_value(173) << 2);
 152
 153         gpio_free_array(omap3_beagle_rev_gpios,
 154                         ARRAY_SIZE(omap3_beagle_rev_gpios));
 155
 156         switch (beagle_rev) {
 157         case 7:
 158                 printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
 159                 omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
 160                 beagle_config.mmc1_gpio_wp = 29;
 161                 beagle_config.dvi_pd_gpio = 170;
 162                 beagle_config.usr_button_gpio = 7;
 163                 break;
 164         case 6:
 165                 printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
 166                 omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
 167                 beagle_config.mmc1_gpio_wp = 23;
 168                 beagle_config.dvi_pd_gpio = 170;
 169                 beagle_config.usr_button_gpio = 7;
 170                 break;
 171         case 5:
 172                 printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
 173                 omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
 174                 beagle_config.mmc1_gpio_wp = 23;
 175                 beagle_config.dvi_pd_gpio = 170;
 176                 beagle_config.usr_button_gpio = 7;
 177                 break;
 178         case 0:
 179                 printk(KERN_INFO "OMAP3 Beagle Rev: xM Ax/Bx\n");
 180                 omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
 181                 beagle_config.usb_pwr_level = 1;
 182                 beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
 183                 break;
 184         case 2:
 185                 printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n");
 186                 omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
 187                 beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
 188                 break;
 189         default:
 190                 printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
 191                 omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
 192         }
 193 }
 194
 195 static struct mtd_partition omap3beagle_nand_partitions[] = {
 196         /* All the partition sizes are listed in terms of NAND block size */
 197         {
 198                 .name           = "X-Loader",
 199                 .offset         = 0,
 200                 .size           = 4 * NAND_BLOCK_SIZE,
 201                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 202         },
 203         {
 204                 .name           = "U-Boot",
 205                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
 206                 .size           = 15 * NAND_BLOCK_SIZE,
 207                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 208         },
 209         {
 210                 .name           = "U-Boot Env",
 211                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x260000 */
 212                 .size           = 1 * NAND_BLOCK_SIZE,
 213         },
 214         {
 215                 .name           = "Kernel",
 216                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
 217                 .size           = 32 * NAND_BLOCK_SIZE,
 218         },
 219         {
 220                 .name           = "File System",
 221                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
 222                 .size           = MTDPART_SIZ_FULL,
 223         },
 224 };
 225
 226 /* DSS */
 227
 228 static struct connector_dvi_platform_data beagle_dvi_connector_pdata = {
 229         .name                   = "dvi",
 230         .source                 = "tfp410.0",
 231         .i2c_bus_num            = 3,
 232 };
 233
 234 static struct platform_device beagle_dvi_connector_device = {
 235         .name                   = "connector-dvi",
 236         .id                     = 0,
 237         .dev.platform_data      = &beagle_dvi_connector_pdata,
 238 };
 239
 240 static struct encoder_tfp410_platform_data beagle_tfp410_pdata = {
 241         .name                   = "tfp410.0",
 242         .source                 = "dpi.0",
 243         .data_lines             = 24,
 244         .power_down_gpio        = -1,
 245 };
 246
 247 static struct platform_device beagle_tfp410_device = {
 248         .name                   = "tfp410",
 249         .id                     = 0,
 250         .dev.platform_data      = &beagle_tfp410_pdata,
 251 };
 252
 253 static struct connector_atv_platform_data beagle_tv_pdata = {
 254         .name = "tv",
 255         .source = "venc.0",
 256         .connector_type = OMAP_DSS_VENC_TYPE_SVIDEO,
 257         .invert_polarity = false,
 258 };
 259
 260 static struct platform_device beagle_tv_connector_device = {
 261         .name                   = "connector-analog-tv",
 262         .id                     = 0,
 263         .dev.platform_data      = &beagle_tv_pdata,
 264 };
 265
 266 static struct omap_dss_board_info beagle_dss_data = {
 267         .default_display_name = "dvi",
 268 };
 269
 270 #include "sdram-micron-mt46h32m32lf-6.h"
 271
 272 static struct omap2_hsmmc_info mmc[] = {
 273         {
 274                 .mmc            = 1,
 275                 .caps           = MMC_CAP_4_BIT_DATA,
 276                 .gpio_wp        = -EINVAL,
 277                 .deferred       = true,
 278         },
 279         {}      /* Terminator */
 280 };
 281
 282 static struct regulator_consumer_supply beagle_vmmc1_supply[] = {
 283         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 284 };
 285
 286 static struct regulator_consumer_supply beagle_vsim_supply[] = {
 287         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
 288 };
 289
 290 static struct gpio_led gpio_leds[];
 291
 292 /* PHY's VCC regulator might be added later, so flag that we need it */
 293 static struct usb_phy_gen_xceiv_platform_data hsusb2_phy_data = {
 294         .needs_vcc = true,
 295 };
 296
 297 static struct usbhs_phy_data phy_data[] = {
 298         {
 299                 .port = 2,
 300                 .reset_gpio = 147,
 301                 .vcc_gpio = -1,         /* updated in beagle_twl_gpio_setup */
 302                 .vcc_polarity = 1,      /* updated in beagle_twl_gpio_setup */
 303                 .platform_data = &hsusb2_phy_data,
 304         },
 305 };
 306
 307 static int beagle_twl_gpio_setup(struct device *dev,
 308                 unsigned gpio, unsigned ngpio)
 309 {
 310         int r;
 311
 312         mmc[0].gpio_wp = beagle_config.mmc1_gpio_wp;
 313         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 314         mmc[0].gpio_cd = gpio + 0;
 315         omap_hsmmc_late_init(mmc);
 316
 317         /*
 318          * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
 319          * high / others active low)
 320          * DVI reset GPIO is different between beagle revisions
 321          */
 322         /* Valid for all -xM revisions */
 323         if (cpu_is_omap3630()) {
 324                 /*
 325                  * gpio + 1 on Xm controls the TFP410's enable line (active low)
 326                  * gpio + 2 control varies depending on the board rev as below:
 327                  * P7/P8 revisions(prototype): Camera EN
 328                  * A2+ revisions (production): LDO (DVI, serial, led blocks)
 329                  */
 330                 r = gpio_request_one(gpio + 1, GPIOF_OUT_INIT_LOW,
 331                                      "nDVI_PWR_EN");
 332                 if (r)
 333                         pr_err("%s: unable to configure nDVI_PWR_EN\n",
 334                                 __func__);
 335
 336                 beagle_config.dvi_pd_gpio = gpio + 2;
 337
 338         } else {
 339                 /*
 340                  * REVISIT: need ehci-omap hooks for external VBUS
 341                  * power switch and overcurrent detect
 342                  */
 343                 if (gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"))
 344                         pr_err("%s: unable to configure EHCI_nOC\n", __func__);
 345         }
 346         beagle_tfp410_pdata.power_down_gpio = beagle_config.dvi_pd_gpio;
 347
 348         platform_device_register(&beagle_tfp410_device);
 349         platform_device_register(&beagle_dvi_connector_device);
 350         platform_device_register(&beagle_tv_connector_device);
 351
 352         /* TWL4030_GPIO_MAX i.e. LED_GPO controls HS USB Port 2 power */
 353         phy_data[0].vcc_gpio = gpio + TWL4030_GPIO_MAX;
 354         phy_data[0].vcc_polarity = beagle_config.usb_pwr_level;
 355
 356         usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 357         return 0;
 358 }
 359
 360 static struct twl4030_gpio_platform_data beagle_gpio_data = {
 361         .use_leds       = true,
 362         .pullups        = BIT(1),
 363         .pulldowns      = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
 364                                 | BIT(15) | BIT(16) | BIT(17),
 365         .setup          = beagle_twl_gpio_setup,
 366 };
 367
 368 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 369 static struct regulator_init_data beagle_vmmc1 = {
 370         .constraints = {
 371                 .min_uV                 = 1850000,
 372                 .max_uV                 = 3150000,
 373                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 374                                         | REGULATOR_MODE_STANDBY,
 375                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 376                                         | REGULATOR_CHANGE_MODE
 377                                         | REGULATOR_CHANGE_STATUS,
 378         },
 379         .num_consumer_supplies  = ARRAY_SIZE(beagle_vmmc1_supply),
 380         .consumer_supplies      = beagle_vmmc1_supply,
 381 };
 382
 383 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 384 static struct regulator_init_data beagle_vsim = {
 385         .constraints = {
 386                 .min_uV                 = 1800000,
 387                 .max_uV                 = 3000000,
 388                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 389                                         | REGULATOR_MODE_STANDBY,
 390                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 391                                         | REGULATOR_CHANGE_MODE
 392                                         | REGULATOR_CHANGE_STATUS,
 393         },
 394         .num_consumer_supplies  = ARRAY_SIZE(beagle_vsim_supply),
 395         .consumer_supplies      = beagle_vsim_supply,
 396 };
 397
 398 static struct twl4030_platform_data beagle_twldata = {
 399         /* platform_data for children goes here */
 400         .gpio           = &beagle_gpio_data,
 401         .vmmc1          = &beagle_vmmc1,
 402         .vsim           = &beagle_vsim,
 403 };
 404
 405 static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
 406        {
 407                I2C_BOARD_INFO("eeprom", 0x50),
 408        },
 409 };
 410
 411 static int __init omap3_beagle_i2c_init(void)
 412 {
 413         omap3_pmic_get_config(&beagle_twldata,
 414                         TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
 415                         TWL_COMMON_PDATA_AUDIO,
 416                         TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
 417
 418         beagle_twldata.vpll2->constraints.name = "VDVI";
 419
 420         omap3_pmic_init("twl4030", &beagle_twldata);
 421         /* Bus 3 is attached to the DVI port where devices like the pico DLP
 422          * projector don't work reliably with 400kHz */
 423         omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom));
 424         return 0;
 425 }
 426
 427 static struct gpio_led gpio_leds[] = {
 428         {
 429                 .name                   = "beagleboard::usr0",
 430                 .default_trigger        = "heartbeat",
 431                 .gpio                   = 150,
 432         },
 433         {
 434                 .name                   = "beagleboard::usr1",
 435                 .default_trigger        = "mmc0",
 436                 .gpio                   = 149,
 437         },
 438 };
 439
 440 static struct gpio_led_platform_data gpio_led_info = {
 441         .leds           = gpio_leds,
 442         .num_leds       = ARRAY_SIZE(gpio_leds),
 443 };
 444
 445 static struct platform_device leds_gpio = {
 446         .name   = "leds-gpio",
 447         .id     = -1,
 448         .dev    = {
 449                 .platform_data  = &gpio_led_info,
 450         },
 451 };
 452
 453 static struct gpio_keys_button gpio_buttons[] = {
 454         {
 455                 .code                   = BTN_EXTRA,
 456                 /* Dynamically assigned depending on board */
 457                 .gpio                   = -EINVAL,
 458                 .desc                   = "user",
 459                 .wakeup                 = 1,
 460         },
 461 };
 462
 463 static struct gpio_keys_platform_data gpio_key_info = {
 464         .buttons        = gpio_buttons,
 465         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 466 };
 467
 468 static struct platform_device keys_gpio = {
 469         .name   = "gpio-keys",
 470         .id     = -1,
 471         .dev    = {
 472                 .platform_data  = &gpio_key_info,
 473         },
 474 };
 475
 476 static struct platform_device madc_hwmon = {
 477         .name   = "twl4030_madc_hwmon",
 478         .id     = -1,
 479 };
 480
 481 static struct platform_device *omap3_beagle_devices[] __initdata = {
 482         &leds_gpio,
 483         &keys_gpio,
 484         &madc_hwmon,
 485         &leds_pwm,
 486 };
 487
 488 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
 489         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 490 };
 491
 492 #ifdef CONFIG_OMAP_MUX
 493 static struct omap_board_mux board_mux[] __initdata = {
 494         { .reg_offset = OMAP_MUX_TERMINATOR },
 495 };
 496 #endif
 497
 498 static int __init beagle_opp_init(void)
 499 {
 500         int r = 0;
 501
 502         if (!machine_is_omap3_beagle())
 503                 return 0;
 504
 505         /* Initialize the omap3 opp table if not already created. */
 506         r = omap3_opp_init();
 507         if (r < 0 && (r != -EEXIST)) {
 508                 pr_err("%s: opp default init failed\n", __func__);
 509                 return r;
 510         }
 511
 512         /* Custom OPP enabled for all xM versions */
 513         if (cpu_is_omap3630()) {
 514                 struct device *mpu_dev, *iva_dev;
 515
 516                 mpu_dev = get_cpu_device(0);
 517                 iva_dev = omap_device_get_by_hwmod_name("iva");
 518
 519                 if (IS_ERR(mpu_dev) || IS_ERR(iva_dev)) {
 520                         pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
 521                                 __func__, mpu_dev, iva_dev);
 522                         return -ENODEV;
 523                 }
 524                 /* Enable MPU 1GHz and lower opps */
 525                 r = dev_pm_opp_enable(mpu_dev, 800000000);
 526                 /* TODO: MPU 1GHz needs SR and ABB */
 527
 528                 /* Enable IVA 800MHz and lower opps */
 529                 r |= dev_pm_opp_enable(iva_dev, 660000000);
 530                 /* TODO: DSP 800MHz needs SR and ABB */
 531                 if (r) {
 532                         pr_err("%s: failed to enable higher opp %d\n",
 533                                 __func__, r);
 534                         /*
 535                          * Cleanup - disable the higher freqs - we dont care
 536                          * about the results
 537                          */
 538                         dev_pm_opp_disable(mpu_dev, 800000000);
 539                         dev_pm_opp_disable(iva_dev, 660000000);
 540                 }
 541         }
 542         return 0;
 543 }
 544 omap_device_initcall(beagle_opp_init);
 545
 546 static void __init omap3_beagle_init(void)
 547 {
 548         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 549         omap3_beagle_init_rev();
 550
 551         if (gpio_is_valid(beagle_config.mmc1_gpio_wp))
 552                 omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT);
 553         mmc[0].caps = beagle_config.mmc_caps;
 554         omap_hsmmc_init(mmc);
 555
 556         omap3_beagle_i2c_init();
 557
 558         gpio_buttons[0].gpio = beagle_config.usr_button_gpio;
 559
 560         platform_add_devices(omap3_beagle_devices,
 561                         ARRAY_SIZE(omap3_beagle_devices));
 562         if (gpio_is_valid(beagle_config.dvi_pd_gpio))
 563                 omap_mux_init_gpio(beagle_config.dvi_pd_gpio, OMAP_PIN_OUTPUT);
 564         omap_display_init(&beagle_dss_data);
 565
 566         omap_serial_init();
 567         omap_sdrc_init(mt46h32m32lf6_sdrc_params,
 568                                   mt46h32m32lf6_sdrc_params);
 569
 570         usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
 571         usb_musb_init(NULL);
 572
 573         usbhs_init(&usbhs_bdata);
 574
 575         board_nand_init(omap3beagle_nand_partitions,
 576                         ARRAY_SIZE(omap3beagle_nand_partitions), NAND_CS,
 577                         NAND_BUSWIDTH_16, NULL);
 578         omap_twl4030_audio_init("omap3beagle", NULL);
 579
 580         /* Ensure msecure is mux'd to be able to set the RTC. */
 581         omap_mux_init_signal("sys_drm_msecure", OMAP_PIN_OFF_OUTPUT_HIGH);
 582
 583         /* Ensure SDRC pins are mux'd for self-refresh */
 584         omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
 585         omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
 586
 587         pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
 588 }
 589
 590 MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
 591         /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
 592         .atag_offset    = 0x100,
 593         .reserve        = omap_reserve,
 594         .map_io         = omap3_map_io,
 595         .init_early     = omap3_init_early,
 596         .init_irq       = omap3_init_irq,
 597         .handle_irq     = omap3_intc_handle_irq,
 598         .init_machine   = omap3_beagle_init,
 599         .init_late      = omap3_init_late,
 600         .init_time      = omap3_secure_sync32k_timer_init,
 601         .restart        = omap3xxx_restart,
 602 MACHINE_END