arch/arm/mach-imx/mach-mx31_3ds.c

   1 /*
   2  *  Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #include <linux/delay.h>
  16 #include <linux/dma-mapping.h>
  17 #include <linux/types.h>
  18 #include <linux/init.h>
  19 #include <linux/clk.h>
  20 #include <linux/irq.h>
  21 #include <linux/gpio.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/mfd/mc13783.h>
  24 #include <linux/spi/spi.h>
  25 #include <linux/spi/l4f00242t03.h>
  26 #include <linux/regulator/machine.h>
  27 #include <linux/usb/otg.h>
  28 #include <linux/usb/ulpi.h>
  29 #include <linux/memblock.h>
  30
  31 #include <media/soc_camera.h>
  32
  33 #include <mach/hardware.h>
  34 #include <asm/mach-types.h>
  35 #include <asm/mach/arch.h>
  36 #include <asm/mach/time.h>
  37 #include <asm/memory.h>
  38 #include <asm/mach/map.h>
  39 #include <mach/common.h>
  40 #include <mach/iomux-mx3.h>
  41 #include <mach/3ds_debugboard.h>
  42 #include <mach/ulpi.h>
  43
  44 #include "devices-imx31.h"
  45
  46 /* CPLD IRQ line for external uart, external ethernet etc */
  47 #define EXPIO_PARENT_INT        IOMUX_TO_IRQ(MX31_PIN_GPIO1_1)
  48
  49 static int mx31_3ds_pins[] = {
  50         /* UART1 */
  51         MX31_PIN_CTS1__CTS1,
  52         MX31_PIN_RTS1__RTS1,
  53         MX31_PIN_TXD1__TXD1,
  54         MX31_PIN_RXD1__RXD1,
  55         IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO),
  56         /*SPI0*/
  57         IOMUX_MODE(MX31_PIN_DSR_DCE1, IOMUX_CONFIG_ALT1),
  58         IOMUX_MODE(MX31_PIN_RI_DCE1, IOMUX_CONFIG_ALT1),
  59         /* SPI 1 */
  60         MX31_PIN_CSPI2_SCLK__SCLK,
  61         MX31_PIN_CSPI2_MOSI__MOSI,
  62         MX31_PIN_CSPI2_MISO__MISO,
  63         MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
  64         MX31_PIN_CSPI2_SS0__SS0,
  65         MX31_PIN_CSPI2_SS2__SS2, /*CS for MC13783 */
  66         /* MC13783 IRQ */
  67         IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO),
  68         /* USB OTG reset */
  69         IOMUX_MODE(MX31_PIN_USB_PWR, IOMUX_CONFIG_GPIO),
  70         /* USB OTG */
  71         MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
  72         MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
  73         MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
  74         MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
  75         MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
  76         MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
  77         MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
  78         MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
  79         MX31_PIN_USBOTG_CLK__USBOTG_CLK,
  80         MX31_PIN_USBOTG_DIR__USBOTG_DIR,
  81         MX31_PIN_USBOTG_NXT__USBOTG_NXT,
  82         MX31_PIN_USBOTG_STP__USBOTG_STP,
  83         /*Keyboard*/
  84         MX31_PIN_KEY_ROW0_KEY_ROW0,
  85         MX31_PIN_KEY_ROW1_KEY_ROW1,
  86         MX31_PIN_KEY_ROW2_KEY_ROW2,
  87         MX31_PIN_KEY_COL0_KEY_COL0,
  88         MX31_PIN_KEY_COL1_KEY_COL1,
  89         MX31_PIN_KEY_COL2_KEY_COL2,
  90         MX31_PIN_KEY_COL3_KEY_COL3,
  91         /* USB Host 2 */
  92         IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
  93         IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
  94         IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
  95         IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
  96         IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
  97         IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
  98         IOMUX_MODE(MX31_PIN_PC_VS2, IOMUX_CONFIG_ALT1),
  99         IOMUX_MODE(MX31_PIN_PC_BVD1, IOMUX_CONFIG_ALT1),
 100         IOMUX_MODE(MX31_PIN_PC_BVD2, IOMUX_CONFIG_ALT1),
 101         IOMUX_MODE(MX31_PIN_PC_RST, IOMUX_CONFIG_ALT1),
 102         IOMUX_MODE(MX31_PIN_IOIS16, IOMUX_CONFIG_ALT1),
 103         IOMUX_MODE(MX31_PIN_PC_RW_B, IOMUX_CONFIG_ALT1),
 104         /* USB Host2 reset */
 105         IOMUX_MODE(MX31_PIN_USB_BYP, IOMUX_CONFIG_GPIO),
 106         /* I2C1 */
 107         MX31_PIN_I2C_CLK__I2C1_SCL,
 108         MX31_PIN_I2C_DAT__I2C1_SDA,
 109         /* SDHC1 */
 110         MX31_PIN_SD1_DATA3__SD1_DATA3,
 111         MX31_PIN_SD1_DATA2__SD1_DATA2,
 112         MX31_PIN_SD1_DATA1__SD1_DATA1,
 113         MX31_PIN_SD1_DATA0__SD1_DATA0,
 114         MX31_PIN_SD1_CLK__SD1_CLK,
 115         MX31_PIN_SD1_CMD__SD1_CMD,
 116         MX31_PIN_GPIO3_1__GPIO3_1, /* Card detect */
 117         MX31_PIN_GPIO3_0__GPIO3_0, /* OE */
 118         /* Framebuffer */
 119         MX31_PIN_LD0__LD0,
 120         MX31_PIN_LD1__LD1,
 121         MX31_PIN_LD2__LD2,
 122         MX31_PIN_LD3__LD3,
 123         MX31_PIN_LD4__LD4,
 124         MX31_PIN_LD5__LD5,
 125         MX31_PIN_LD6__LD6,
 126         MX31_PIN_LD7__LD7,
 127         MX31_PIN_LD8__LD8,
 128         MX31_PIN_LD9__LD9,
 129         MX31_PIN_LD10__LD10,
 130         MX31_PIN_LD11__LD11,
 131         MX31_PIN_LD12__LD12,
 132         MX31_PIN_LD13__LD13,
 133         MX31_PIN_LD14__LD14,
 134         MX31_PIN_LD15__LD15,
 135         MX31_PIN_LD16__LD16,
 136         MX31_PIN_LD17__LD17,
 137         MX31_PIN_VSYNC3__VSYNC3,
 138         MX31_PIN_HSYNC__HSYNC,
 139         MX31_PIN_FPSHIFT__FPSHIFT,
 140         MX31_PIN_CONTRAST__CONTRAST,
 141         /* CSI */
 142         MX31_PIN_CSI_D6__CSI_D6,
 143         MX31_PIN_CSI_D7__CSI_D7,
 144         MX31_PIN_CSI_D8__CSI_D8,
 145         MX31_PIN_CSI_D9__CSI_D9,
 146         MX31_PIN_CSI_D10__CSI_D10,
 147         MX31_PIN_CSI_D11__CSI_D11,
 148         MX31_PIN_CSI_D12__CSI_D12,
 149         MX31_PIN_CSI_D13__CSI_D13,
 150         MX31_PIN_CSI_D14__CSI_D14,
 151         MX31_PIN_CSI_D15__CSI_D15,
 152         MX31_PIN_CSI_HSYNC__CSI_HSYNC,
 153         MX31_PIN_CSI_MCLK__CSI_MCLK,
 154         MX31_PIN_CSI_PIXCLK__CSI_PIXCLK,
 155         MX31_PIN_CSI_VSYNC__CSI_VSYNC,
 156         MX31_PIN_CSI_D5__GPIO3_5, /* CMOS PWDN */
 157         IOMUX_MODE(MX31_PIN_RI_DTE1, IOMUX_CONFIG_GPIO), /* CMOS reset */
 158 };
 159
 160 /*
 161  * Camera support
 162  */
 163 static phys_addr_t mx3_camera_base __initdata;
 164 #define MX31_3DS_CAMERA_BUF_SIZE SZ_8M
 165
 166 #define MX31_3DS_GPIO_CAMERA_PW IOMUX_TO_GPIO(MX31_PIN_CSI_D5)
 167 #define MX31_3DS_GPIO_CAMERA_RST IOMUX_TO_GPIO(MX31_PIN_RI_DTE1)
 168
 169 static struct gpio mx31_3ds_camera_gpios[] = {
 170         { MX31_3DS_GPIO_CAMERA_PW, GPIOF_OUT_INIT_HIGH, "camera-power" },
 171         { MX31_3DS_GPIO_CAMERA_RST, GPIOF_OUT_INIT_HIGH, "camera-reset" },
 172 };
 173
 174 static const struct mx3_camera_pdata mx31_3ds_camera_pdata __initconst = {
 175         .flags = MX3_CAMERA_DATAWIDTH_10,
 176         .mclk_10khz = 2600,
 177 };
 178
 179 static int __init mx31_3ds_init_camera(void)
 180 {
 181         int dma, ret = -ENOMEM;
 182         struct platform_device *pdev =
 183                 imx31_alloc_mx3_camera(&mx31_3ds_camera_pdata);
 184
 185         if (IS_ERR(pdev))
 186                 return PTR_ERR(pdev);
 187
 188         if (!mx3_camera_base)
 189                 goto err;
 190
 191         dma = dma_declare_coherent_memory(&pdev->dev,
 192                                         mx3_camera_base, mx3_camera_base,
 193                                         MX31_3DS_CAMERA_BUF_SIZE,
 194                                         DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
 195
 196         if (!(dma & DMA_MEMORY_MAP))
 197                 goto err;
 198
 199         ret = platform_device_add(pdev);
 200         if (ret)
 201 err:
 202                 platform_device_put(pdev);
 203
 204         return ret;
 205 }
 206
 207 static int mx31_3ds_camera_power(struct device *dev, int on)
 208 {
 209         /* enable or disable the camera */
 210         pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE");
 211         gpio_set_value(MX31_3DS_GPIO_CAMERA_PW, on ? 0 : 1);
 212
 213         if (!on)
 214                 goto out;
 215
 216         /* If enabled, give a reset impulse */
 217         gpio_set_value(MX31_3DS_GPIO_CAMERA_RST, 0);
 218         msleep(20);
 219         gpio_set_value(MX31_3DS_GPIO_CAMERA_RST, 1);
 220         msleep(100);
 221
 222 out:
 223         return 0;
 224 }
 225
 226 static struct i2c_board_info mx31_3ds_i2c_camera = {
 227         I2C_BOARD_INFO("ov2640", 0x30),
 228 };
 229
 230 static struct regulator_bulk_data mx31_3ds_camera_regs[] = {
 231         { .supply = "cmos_vcore" },
 232         { .supply = "cmos_2v8" },
 233 };
 234
 235 static struct soc_camera_link iclink_ov2640 = {
 236         .bus_id         = 0,
 237         .board_info     = &mx31_3ds_i2c_camera,
 238         .i2c_adapter_id = 0,
 239         .power          = mx31_3ds_camera_power,
 240         .regulators     = mx31_3ds_camera_regs,
 241         .num_regulators = ARRAY_SIZE(mx31_3ds_camera_regs),
 242 };
 243
 244 static struct platform_device mx31_3ds_ov2640 = {
 245         .name   = "soc-camera-pdrv",
 246         .id     = 0,
 247         .dev    = {
 248                 .platform_data = &iclink_ov2640,
 249         },
 250 };
 251
 252 /*
 253  * FB support
 254  */
 255 static const struct fb_videomode fb_modedb[] = {
 256         {       /* 480x640 @ 60 Hz */
 257                 .name           = "Epson-VGA",
 258                 .refresh        = 60,
 259                 .xres           = 480,
 260                 .yres           = 640,
 261                 .pixclock       = 41701,
 262                 .left_margin    = 20,
 263                 .right_margin   = 41,
 264                 .upper_margin   = 10,
 265                 .lower_margin   = 5,
 266                 .hsync_len      = 20,
 267                 .vsync_len      = 10,
 268                 .sync           = FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
 269                 .vmode          = FB_VMODE_NONINTERLACED,
 270                 .flag           = 0,
 271         },
 272 };
 273
 274 static struct ipu_platform_data mx3_ipu_data = {
 275         .irq_base = MXC_IPU_IRQ_START,
 276 };
 277
 278 static struct mx3fb_platform_data mx3fb_pdata __initdata = {
 279         .name           = "Epson-VGA",
 280         .mode           = fb_modedb,
 281         .num_modes      = ARRAY_SIZE(fb_modedb),
 282 };
 283
 284 /* LCD */
 285 static struct l4f00242t03_pdata mx31_3ds_l4f00242t03_pdata = {
 286         .reset_gpio             = IOMUX_TO_GPIO(MX31_PIN_LCS1),
 287         .data_enable_gpio       = IOMUX_TO_GPIO(MX31_PIN_SER_RS),
 288 };
 289
 290 /*
 291  * Support for SD card slot in personality board
 292  */
 293 #define MX31_3DS_GPIO_SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)
 294 #define MX31_3DS_GPIO_SDHC1_BE IOMUX_TO_GPIO(MX31_PIN_GPIO3_0)
 295
 296 static struct gpio mx31_3ds_sdhc1_gpios[] = {
 297         { MX31_3DS_GPIO_SDHC1_CD, GPIOF_IN, "sdhc1-card-detect" },
 298         { MX31_3DS_GPIO_SDHC1_BE, GPIOF_OUT_INIT_LOW, "sdhc1-bus-en" },
 299 };
 300
 301 static int mx31_3ds_sdhc1_init(struct device *dev,
 302                                irq_handler_t detect_irq,
 303                                void *data)
 304 {
 305         int ret;
 306
 307         ret = gpio_request_array(mx31_3ds_sdhc1_gpios,
 308                                  ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
 309         if (ret) {
 310                 pr_warning("Unable to request the SD/MMC GPIOs.\n");
 311                 return ret;
 312         }
 313
 314         ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
 315                           detect_irq, IRQF_DISABLED |
 316                           IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
 317                           "sdhc1-detect", data);
 318         if (ret) {
 319                 pr_warning("Unable to request the SD/MMC card-detect IRQ.\n");
 320                 goto gpio_free;
 321         }
 322
 323         return 0;
 324
 325 gpio_free:
 326         gpio_free_array(mx31_3ds_sdhc1_gpios,
 327                         ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
 328         return ret;
 329 }
 330
 331 static void mx31_3ds_sdhc1_exit(struct device *dev, void *data)
 332 {
 333         free_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO3_1), data);
 334         gpio_free_array(mx31_3ds_sdhc1_gpios,
 335                          ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
 336 }
 337
 338 static void mx31_3ds_sdhc1_setpower(struct device *dev, unsigned int vdd)
 339 {
 340         /*
 341          * While the voltage stuff is done by the driver, activate the
 342          * Buffer Enable Pin only if there is a card in slot to fix the card
 343          * voltage issue caused by bi-directional chip TXB0108 on 3Stack.
 344          * Done here because at this stage we have for sure a debounced value
 345          * of the presence of the card, showed by the value of vdd.
 346          * 7 == ilog2(MMC_VDD_165_195)
 347          */
 348         if (vdd > 7)
 349                 gpio_set_value(MX31_3DS_GPIO_SDHC1_BE, 1);
 350         else
 351                 gpio_set_value(MX31_3DS_GPIO_SDHC1_BE, 0);
 352 }
 353
 354 static struct imxmmc_platform_data sdhc1_pdata = {
 355         .init           = mx31_3ds_sdhc1_init,
 356         .exit           = mx31_3ds_sdhc1_exit,
 357         .setpower       = mx31_3ds_sdhc1_setpower,
 358 };
 359
 360 /*
 361  * Matrix keyboard
 362  */
 363
 364 static const uint32_t mx31_3ds_keymap[] = {
 365         KEY(0, 0, KEY_UP),
 366         KEY(0, 1, KEY_DOWN),
 367         KEY(1, 0, KEY_RIGHT),
 368         KEY(1, 1, KEY_LEFT),
 369         KEY(1, 2, KEY_ENTER),
 370         KEY(2, 0, KEY_F6),
 371         KEY(2, 1, KEY_F8),
 372         KEY(2, 2, KEY_F9),
 373         KEY(2, 3, KEY_F10),
 374 };
 375
 376 static const struct matrix_keymap_data mx31_3ds_keymap_data __initconst = {
 377         .keymap         = mx31_3ds_keymap,
 378         .keymap_size    = ARRAY_SIZE(mx31_3ds_keymap),
 379 };
 380
 381 /* Regulators */
 382 static struct regulator_init_data pwgtx_init = {
 383         .constraints = {
 384                 .boot_on        = 1,
 385                 .always_on      = 1,
 386         },
 387 };
 388
 389 static struct regulator_init_data gpo_init = {
 390         .constraints = {
 391                 .boot_on = 1,
 392                 .always_on = 1,
 393         }
 394 };
 395
 396 static struct regulator_consumer_supply vmmc2_consumers[] = {
 397         REGULATOR_SUPPLY("vmmc", "mxc-mmc.0"),
 398 };
 399
 400 static struct regulator_init_data vmmc2_init = {
 401         .constraints = {
 402                 .min_uV = 3000000,
 403                 .max_uV = 3000000,
 404                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 405                                   REGULATOR_CHANGE_STATUS,
 406         },
 407         .num_consumer_supplies = ARRAY_SIZE(vmmc2_consumers),
 408         .consumer_supplies = vmmc2_consumers,
 409 };
 410
 411 static struct regulator_consumer_supply vmmc1_consumers[] = {
 412         REGULATOR_SUPPLY("vcore", "spi0.0"),
 413         REGULATOR_SUPPLY("cmos_2v8", "soc-camera-pdrv.0"),
 414 };
 415
 416 static struct regulator_init_data vmmc1_init = {
 417         .constraints = {
 418                 .min_uV = 2800000,
 419                 .max_uV = 2800000,
 420                 .apply_uV = 1,
 421                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 422                                   REGULATOR_CHANGE_STATUS,
 423         },
 424         .num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers),
 425         .consumer_supplies = vmmc1_consumers,
 426 };
 427
 428 static struct regulator_consumer_supply vgen_consumers[] = {
 429         REGULATOR_SUPPLY("vdd", "spi0.0"),
 430 };
 431
 432 static struct regulator_init_data vgen_init = {
 433         .constraints = {
 434                 .min_uV = 1800000,
 435                 .max_uV = 1800000,
 436                 .apply_uV = 1,
 437                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 438                                   REGULATOR_CHANGE_STATUS,
 439         },
 440         .num_consumer_supplies = ARRAY_SIZE(vgen_consumers),
 441         .consumer_supplies = vgen_consumers,
 442 };
 443
 444 static struct regulator_consumer_supply vvib_consumers[] = {
 445         REGULATOR_SUPPLY("cmos_vcore", "soc-camera-pdrv.0"),
 446 };
 447
 448 static struct regulator_init_data vvib_init = {
 449         .constraints = {
 450                 .min_uV = 1300000,
 451                 .max_uV = 1300000,
 452                 .apply_uV = 1,
 453                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 454                                   REGULATOR_CHANGE_STATUS,
 455         },
 456         .num_consumer_supplies = ARRAY_SIZE(vvib_consumers),
 457         .consumer_supplies = vvib_consumers,
 458 };
 459
 460 static struct mc13xxx_regulator_init_data mx31_3ds_regulators[] = {
 461         {
 462                 .id = MC13783_REG_PWGT1SPI, /* Power Gate for ARM core. */
 463                 .init_data = &pwgtx_init,
 464         }, {
 465                 .id = MC13783_REG_PWGT2SPI, /* Power Gate for L2 Cache. */
 466                 .init_data = &pwgtx_init,
 467         }, {
 468
 469                 .id = MC13783_REG_GPO1, /* Turn on 1.8V */
 470                 .init_data = &gpo_init,
 471         }, {
 472                 .id = MC13783_REG_GPO3, /* Turn on 3.3V */
 473                 .init_data = &gpo_init,
 474         }, {
 475                 .id = MC13783_REG_VMMC2, /* Power MMC/SD, WiFi/Bluetooth. */
 476                 .init_data = &vmmc2_init,
 477         }, {
 478                 .id = MC13783_REG_VMMC1, /* Power LCD, CMOS, FM, GPS, Accel. */
 479                 .init_data = &vmmc1_init,
 480         }, {
 481                 .id = MC13783_REG_VGEN,  /* Power LCD */
 482                 .init_data = &vgen_init,
 483         }, {
 484                 .id = MC13783_REG_VVIB,  /* Power CMOS */
 485                 .init_data = &vvib_init,
 486         },
 487 };
 488
 489 /* MC13783 */
 490 static struct mc13xxx_platform_data mc13783_pdata = {
 491         .regulators = {
 492                 .regulators = mx31_3ds_regulators,
 493                 .num_regulators = ARRAY_SIZE(mx31_3ds_regulators),
 494         },
 495         .flags  = MC13XXX_USE_TOUCHSCREEN,
 496 };
 497
 498 /* SPI */
 499 static int spi0_internal_chipselect[] = {
 500         MXC_SPI_CS(2),
 501 };
 502
 503 static const struct spi_imx_master spi0_pdata __initconst = {
 504         .chipselect     = spi0_internal_chipselect,
 505         .num_chipselect = ARRAY_SIZE(spi0_internal_chipselect),
 506 };
 507
 508 static int spi1_internal_chipselect[] = {
 509         MXC_SPI_CS(0),
 510         MXC_SPI_CS(2),
 511 };
 512
 513 static const struct spi_imx_master spi1_pdata __initconst = {
 514         .chipselect     = spi1_internal_chipselect,
 515         .num_chipselect = ARRAY_SIZE(spi1_internal_chipselect),
 516 };
 517
 518 static struct spi_board_info mx31_3ds_spi_devs[] __initdata = {
 519         {
 520                 .modalias       = "mc13783",
 521                 .max_speed_hz   = 1000000,
 522                 .bus_num        = 1,
 523                 .chip_select    = 1, /* SS2 */
 524                 .platform_data  = &mc13783_pdata,
 525                 .irq            = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
 526                 .mode = SPI_CS_HIGH,
 527         }, {
 528                 .modalias       = "l4f00242t03",
 529                 .max_speed_hz   = 5000000,
 530                 .bus_num        = 0,
 531                 .chip_select    = 0, /* SS2 */
 532                 .platform_data  = &mx31_3ds_l4f00242t03_pdata,
 533         },
 534 };
 535
 536 /*
 537  * NAND Flash
 538  */
 539 static const struct mxc_nand_platform_data
 540 mx31_3ds_nand_board_info __initconst = {
 541         .width          = 1,
 542         .hw_ecc         = 1,
 543 #ifdef CONFIG_MACH_MX31_3DS_MXC_NAND_USE_BBT
 544         .flash_bbt      = 1,
 545 #endif
 546 };
 547
 548 /*
 549  * USB OTG
 550  */
 551
 552 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
 553                      PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
 554
 555 #define USBOTG_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_PWR)
 556 #define USBH2_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_BYP)
 557
 558 static int mx31_3ds_usbotg_init(void)
 559 {
 560         int err;
 561
 562         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
 563         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
 564         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
 565         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
 566         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
 567         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
 568         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
 569         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
 570         mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
 571         mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
 572         mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
 573         mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
 574
 575         err = gpio_request(USBOTG_RST_B, "otgusb-reset");
 576         if (err) {
 577                 pr_err("Failed to request the USB OTG reset gpio\n");
 578                 return err;
 579         }
 580
 581         err = gpio_direction_output(USBOTG_RST_B, 0);
 582         if (err) {
 583                 pr_err("Failed to drive the USB OTG reset gpio\n");
 584                 goto usbotg_free_reset;
 585         }
 586
 587         mdelay(1);
 588         gpio_set_value(USBOTG_RST_B, 1);
 589         return 0;
 590
 591 usbotg_free_reset:
 592         gpio_free(USBOTG_RST_B);
 593         return err;
 594 }
 595
 596 static int mx31_3ds_otg_init(struct platform_device *pdev)
 597 {
 598         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
 599 }
 600
 601 static int mx31_3ds_host2_init(struct platform_device *pdev)
 602 {
 603         int err;
 604
 605         mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
 606         mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
 607         mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
 608         mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
 609         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
 610         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
 611         mxc_iomux_set_pad(MX31_PIN_PC_VS2, USB_PAD_CFG);
 612         mxc_iomux_set_pad(MX31_PIN_PC_BVD1, USB_PAD_CFG);
 613         mxc_iomux_set_pad(MX31_PIN_PC_BVD2, USB_PAD_CFG);
 614         mxc_iomux_set_pad(MX31_PIN_PC_RST, USB_PAD_CFG);
 615         mxc_iomux_set_pad(MX31_PIN_IOIS16, USB_PAD_CFG);
 616         mxc_iomux_set_pad(MX31_PIN_PC_RW_B, USB_PAD_CFG);
 617
 618         err = gpio_request(USBH2_RST_B, "usbh2-reset");
 619         if (err) {
 620                 pr_err("Failed to request the USB Host 2 reset gpio\n");
 621                 return err;
 622         }
 623
 624         err = gpio_direction_output(USBH2_RST_B, 0);
 625         if (err) {
 626                 pr_err("Failed to drive the USB Host 2 reset gpio\n");
 627                 goto usbotg_free_reset;
 628         }
 629
 630         mdelay(1);
 631         gpio_set_value(USBH2_RST_B, 1);
 632
 633         mdelay(10);
 634
 635         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
 636
 637 usbotg_free_reset:
 638         gpio_free(USBH2_RST_B);
 639         return err;
 640 }
 641
 642 static struct mxc_usbh_platform_data otg_pdata __initdata = {
 643         .init   = mx31_3ds_otg_init,
 644         .portsc = MXC_EHCI_MODE_ULPI,
 645 };
 646
 647 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
 648         .init = mx31_3ds_host2_init,
 649         .portsc = MXC_EHCI_MODE_ULPI,
 650 };
 651
 652 static const struct fsl_usb2_platform_data usbotg_pdata __initconst = {
 653         .operating_mode = FSL_USB2_DR_DEVICE,
 654         .phy_mode       = FSL_USB2_PHY_ULPI,
 655 };
 656
 657 static int otg_mode_host;
 658
 659 static int __init mx31_3ds_otg_mode(char *options)
 660 {
 661         if (!strcmp(options, "host"))
 662                 otg_mode_host = 1;
 663         else if (!strcmp(options, "device"))
 664                 otg_mode_host = 0;
 665         else
 666                 pr_info("otg_mode neither \"host\" nor \"device\". "
 667                         "Defaulting to device\n");
 668         return 0;
 669 }
 670 __setup("otg_mode=", mx31_3ds_otg_mode);
 671
 672 static const struct imxuart_platform_data uart_pdata __initconst = {
 673         .flags = IMXUART_HAVE_RTSCTS,
 674 };
 675
 676 static const struct imxi2c_platform_data mx31_3ds_i2c0_data __initconst = {
 677         .bitrate = 100000,
 678 };
 679
 680 static struct platform_device *devices[] __initdata = {
 681         &mx31_3ds_ov2640,
 682 };
 683
 684 static void __init mx31_3ds_init(void)
 685 {
 686         int ret;
 687
 688         imx31_soc_init();
 689
 690         /* Configure SPI1 IOMUX */
 691         mxc_iomux_set_gpr(MUX_PGP_CSPI_BB, true);
 692
 693         mxc_iomux_setup_multiple_pins(mx31_3ds_pins, ARRAY_SIZE(mx31_3ds_pins),
 694                                       "mx31_3ds");
 695
 696         imx31_add_imx_uart0(&uart_pdata);
 697         imx31_add_mxc_nand(&mx31_3ds_nand_board_info);
 698
 699         imx31_add_spi_imx1(&spi1_pdata);
 700         spi_register_board_info(mx31_3ds_spi_devs,
 701                                                 ARRAY_SIZE(mx31_3ds_spi_devs));
 702
 703         platform_add_devices(devices, ARRAY_SIZE(devices));
 704
 705         imx31_add_imx_keypad(&mx31_3ds_keymap_data);
 706
 707         mx31_3ds_usbotg_init();
 708         if (otg_mode_host) {
 709                 otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 710                                 ULPI_OTG_DRVVBUS_EXT);
 711                 if (otg_pdata.otg)
 712                         imx31_add_mxc_ehci_otg(&otg_pdata);
 713         }
 714         usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 715                         ULPI_OTG_DRVVBUS_EXT);
 716         if (usbh2_pdata.otg)
 717                 imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
 718
 719         if (!otg_mode_host)
 720                 imx31_add_fsl_usb2_udc(&usbotg_pdata);
 721
 722         if (mxc_expio_init(MX31_CS5_BASE_ADDR, EXPIO_PARENT_INT))
 723                 printk(KERN_WARNING "Init of the debug board failed, all "
 724                                     "devices on the debug board are unusable.\n");
 725         imx31_add_imx2_wdt(NULL);
 726         imx31_add_imx_i2c0(&mx31_3ds_i2c0_data);
 727         imx31_add_mxc_mmc(0, &sdhc1_pdata);
 728
 729         imx31_add_spi_imx0(&spi0_pdata);
 730         imx31_add_ipu_core(&mx3_ipu_data);
 731         imx31_add_mx3_sdc_fb(&mx3fb_pdata);
 732
 733         /* CSI */
 734         /* Camera power: default - off */
 735         ret = gpio_request_array(mx31_3ds_camera_gpios,
 736                                  ARRAY_SIZE(mx31_3ds_camera_gpios));
 737         if (ret) {
 738                 pr_err("Failed to request camera gpios");
 739                 iclink_ov2640.power = NULL;
 740         }
 741
 742         mx31_3ds_init_camera();
 743 }
 744
 745 static void __init mx31_3ds_timer_init(void)
 746 {
 747         mx31_clocks_init(26000000);
 748 }
 749
 750 static struct sys_timer mx31_3ds_timer = {
 751         .init   = mx31_3ds_timer_init,
 752 };
 753
 754 static void __init mx31_3ds_reserve(void)
 755 {
 756         /* reserve MX31_3DS_CAMERA_BUF_SIZE bytes for mx3-camera */
 757         mx3_camera_base = memblock_alloc(MX31_3DS_CAMERA_BUF_SIZE,
 758                                          MX31_3DS_CAMERA_BUF_SIZE);
 759         memblock_free(mx3_camera_base, MX31_3DS_CAMERA_BUF_SIZE);
 760         memblock_remove(mx3_camera_base, MX31_3DS_CAMERA_BUF_SIZE);
 761 }
 762
 763 MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)")
 764         /* Maintainer: Freescale Semiconductor, Inc. */
 765         .atag_offset = 0x100,
 766         .map_io = mx31_map_io,
 767         .init_early = imx31_init_early,
 768         .init_irq = mx31_init_irq,
 769         .handle_irq = imx31_handle_irq,
 770         .timer = &mx31_3ds_timer,
 771         .init_machine = mx31_3ds_init,
 772         .reserve = mx31_3ds_reserve,
 773 MACHINE_END