arch/arm/mach-mx3/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/types.h>
  17 #include <linux/init.h>
  18 #include <linux/clk.h>
  19 #include <linux/irq.h>
  20 #include <linux/gpio.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/mfd/mc13783.h>
  23 #include <linux/spi/spi.h>
  24 #include <linux/spi/l4f00242t03.h>
  25 #include <linux/regulator/machine.h>
  26 #include <linux/usb/otg.h>
  27 #include <linux/usb/ulpi.h>
  28 #include <linux/memblock.h>
  29
  30 #include <media/soc_camera.h>
  31
  32 #include <mach/hardware.h>
  33 #include <asm/mach-types.h>
  34 #include <asm/mach/arch.h>
  35 #include <asm/mach/time.h>
  36 #include <asm/memory.h>
  37 #include <asm/mach/map.h>
  38 #include <mach/common.h>
  39 #include <mach/iomux-mx3.h>
  40 #include <mach/3ds_debugboard.h>
  41 #include <mach/ulpi.h>
  42 #include <mach/mmc.h>
  43 #include <mach/ipu.h>
  44 #include <mach/mx3fb.h>
  45 #include <mach/mx3_camera.h>
  46
  47 #include "devices-imx31.h"
  48 #include "devices.h"
  49
  50 /* CPLD IRQ line for external uart, external ethernet etc */
  51 #define EXPIO_PARENT_INT        IOMUX_TO_IRQ(MX31_PIN_GPIO1_1)
  52
  53 static int mx31_3ds_pins[] = {
  54         /* UART1 */
  55         MX31_PIN_CTS1__CTS1,
  56         MX31_PIN_RTS1__RTS1,
  57         MX31_PIN_TXD1__TXD1,
  58         MX31_PIN_RXD1__RXD1,
  59         IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO),
  60         /*SPI0*/
  61         MX31_PIN_CSPI1_SCLK__SCLK,
  62         MX31_PIN_CSPI1_MOSI__MOSI,
  63         MX31_PIN_CSPI1_MISO__MISO,
  64         MX31_PIN_CSPI1_SPI_RDY__SPI_RDY,
  65         MX31_PIN_CSPI1_SS2__SS2, /* CS for LCD */
  66         /* SPI 1 */
  67         MX31_PIN_CSPI2_SCLK__SCLK,
  68         MX31_PIN_CSPI2_MOSI__MOSI,
  69         MX31_PIN_CSPI2_MISO__MISO,
  70         MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
  71         MX31_PIN_CSPI2_SS0__SS0,
  72         MX31_PIN_CSPI2_SS2__SS2, /*CS for MC13783 */
  73         /* MC13783 IRQ */
  74         IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO),
  75         /* USB OTG reset */
  76         IOMUX_MODE(MX31_PIN_USB_PWR, IOMUX_CONFIG_GPIO),
  77         /* USB OTG */
  78         MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
  79         MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
  80         MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
  81         MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
  82         MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
  83         MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
  84         MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
  85         MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
  86         MX31_PIN_USBOTG_CLK__USBOTG_CLK,
  87         MX31_PIN_USBOTG_DIR__USBOTG_DIR,
  88         MX31_PIN_USBOTG_NXT__USBOTG_NXT,
  89         MX31_PIN_USBOTG_STP__USBOTG_STP,
  90         /*Keyboard*/
  91         MX31_PIN_KEY_ROW0_KEY_ROW0,
  92         MX31_PIN_KEY_ROW1_KEY_ROW1,
  93         MX31_PIN_KEY_ROW2_KEY_ROW2,
  94         MX31_PIN_KEY_COL0_KEY_COL0,
  95         MX31_PIN_KEY_COL1_KEY_COL1,
  96         MX31_PIN_KEY_COL2_KEY_COL2,
  97         MX31_PIN_KEY_COL3_KEY_COL3,
  98         /* USB Host 2 */
  99         IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
 100         IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
 101         IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
 102         IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
 103         IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
 104         IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
 105         IOMUX_MODE(MX31_PIN_PC_VS2, IOMUX_CONFIG_ALT1),
 106         IOMUX_MODE(MX31_PIN_PC_BVD1, IOMUX_CONFIG_ALT1),
 107         IOMUX_MODE(MX31_PIN_PC_BVD2, IOMUX_CONFIG_ALT1),
 108         IOMUX_MODE(MX31_PIN_PC_RST, IOMUX_CONFIG_ALT1),
 109         IOMUX_MODE(MX31_PIN_IOIS16, IOMUX_CONFIG_ALT1),
 110         IOMUX_MODE(MX31_PIN_PC_RW_B, IOMUX_CONFIG_ALT1),
 111         /* USB Host2 reset */
 112         IOMUX_MODE(MX31_PIN_USB_BYP, IOMUX_CONFIG_GPIO),
 113         /* I2C1 */
 114         MX31_PIN_I2C_CLK__I2C1_SCL,
 115         MX31_PIN_I2C_DAT__I2C1_SDA,
 116         /* SDHC1 */
 117         MX31_PIN_SD1_DATA3__SD1_DATA3,
 118         MX31_PIN_SD1_DATA2__SD1_DATA2,
 119         MX31_PIN_SD1_DATA1__SD1_DATA1,
 120         MX31_PIN_SD1_DATA0__SD1_DATA0,
 121         MX31_PIN_SD1_CLK__SD1_CLK,
 122         MX31_PIN_SD1_CMD__SD1_CMD,
 123         MX31_PIN_GPIO3_1__GPIO3_1, /* Card detect */
 124         MX31_PIN_GPIO3_0__GPIO3_0, /* OE */
 125         /* Framebuffer */
 126         MX31_PIN_LD0__LD0,
 127         MX31_PIN_LD1__LD1,
 128         MX31_PIN_LD2__LD2,
 129         MX31_PIN_LD3__LD3,
 130         MX31_PIN_LD4__LD4,
 131         MX31_PIN_LD5__LD5,
 132         MX31_PIN_LD6__LD6,
 133         MX31_PIN_LD7__LD7,
 134         MX31_PIN_LD8__LD8,
 135         MX31_PIN_LD9__LD9,
 136         MX31_PIN_LD10__LD10,
 137         MX31_PIN_LD11__LD11,
 138         MX31_PIN_LD12__LD12,
 139         MX31_PIN_LD13__LD13,
 140         MX31_PIN_LD14__LD14,
 141         MX31_PIN_LD15__LD15,
 142         MX31_PIN_LD16__LD16,
 143         MX31_PIN_LD17__LD17,
 144         MX31_PIN_VSYNC3__VSYNC3,
 145         MX31_PIN_HSYNC__HSYNC,
 146         MX31_PIN_FPSHIFT__FPSHIFT,
 147         MX31_PIN_CONTRAST__CONTRAST,
 148         /* CSI */
 149         MX31_PIN_CSI_D6__CSI_D6,
 150         MX31_PIN_CSI_D7__CSI_D7,
 151         MX31_PIN_CSI_D8__CSI_D8,
 152         MX31_PIN_CSI_D9__CSI_D9,
 153         MX31_PIN_CSI_D10__CSI_D10,
 154         MX31_PIN_CSI_D11__CSI_D11,
 155         MX31_PIN_CSI_D12__CSI_D12,
 156         MX31_PIN_CSI_D13__CSI_D13,
 157         MX31_PIN_CSI_D14__CSI_D14,
 158         MX31_PIN_CSI_D15__CSI_D15,
 159         MX31_PIN_CSI_HSYNC__CSI_HSYNC,
 160         MX31_PIN_CSI_MCLK__CSI_MCLK,
 161         MX31_PIN_CSI_PIXCLK__CSI_PIXCLK,
 162         MX31_PIN_CSI_VSYNC__CSI_VSYNC,
 163         MX31_PIN_CSI_D5__GPIO3_5, /* CMOS PWDN */
 164         IOMUX_MODE(MX31_PIN_RI_DTE1, IOMUX_CONFIG_GPIO), /* CMOS reset */
 165 };
 166
 167 /*
 168  * Camera support
 169  */
 170 static phys_addr_t mx3_camera_base __initdata;
 171 #define MX31_3DS_CAMERA_BUF_SIZE SZ_8M
 172
 173 #define MX31_3DS_GPIO_CAMERA_PW IOMUX_TO_GPIO(MX31_PIN_CSI_D5)
 174 #define MX31_3DS_GPIO_CAMERA_RST IOMUX_TO_GPIO(MX31_PIN_RI_DTE1)
 175
 176 static struct gpio mx31_3ds_camera_gpios[] = {
 177         { MX31_3DS_GPIO_CAMERA_PW, GPIOF_OUT_INIT_HIGH, "camera-power" },
 178         { MX31_3DS_GPIO_CAMERA_RST, GPIOF_OUT_INIT_HIGH, "camera-reset" },
 179 };
 180
 181 static int __init mx31_3ds_camera_alloc_dma(void)
 182 {
 183         int dma;
 184
 185         if (!mx3_camera_base)
 186                 return -ENOMEM;
 187
 188         dma = dma_declare_coherent_memory(&mx3_camera.dev,
 189                                         mx3_camera_base, mx3_camera_base,
 190                                         MX31_3DS_CAMERA_BUF_SIZE,
 191                                         DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
 192
 193         if (!(dma & DMA_MEMORY_MAP))
 194                 return -ENOMEM;
 195
 196         return 0;
 197 }
 198
 199 static int mx31_3ds_camera_power(struct device *dev, int on)
 200 {
 201         /* enable or disable the camera */
 202         pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE");
 203         gpio_set_value(MX31_3DS_GPIO_CAMERA_PW, on ? 0 : 1);
 204
 205         if (!on)
 206                 goto out;
 207
 208         /* If enabled, give a reset impulse */
 209         gpio_set_value(MX31_3DS_GPIO_CAMERA_RST, 0);
 210         msleep(20);
 211         gpio_set_value(MX31_3DS_GPIO_CAMERA_RST, 1);
 212         msleep(100);
 213
 214 out:
 215         return 0;
 216 }
 217
 218 static struct i2c_board_info mx31_3ds_i2c_camera = {
 219         I2C_BOARD_INFO("ov2640", 0x30),
 220 };
 221
 222 static struct regulator_bulk_data mx31_3ds_camera_regs[] = {
 223         { .supply = "cmos_vcore" },
 224         { .supply = "cmos_2v8" },
 225 };
 226
 227 static struct soc_camera_link iclink_ov2640 = {
 228         .bus_id         = 0,
 229         .board_info     = &mx31_3ds_i2c_camera,
 230         .i2c_adapter_id = 0,
 231         .power          = mx31_3ds_camera_power,
 232         .regulators     = mx31_3ds_camera_regs,
 233         .num_regulators = ARRAY_SIZE(mx31_3ds_camera_regs),
 234 };
 235
 236 static struct platform_device mx31_3ds_ov2640 = {
 237         .name   = "soc-camera-pdrv",
 238         .id     = 0,
 239         .dev    = {
 240                 .platform_data = &iclink_ov2640,
 241         },
 242 };
 243
 244 struct mx3_camera_pdata mx31_3ds_camera_pdata = {
 245         .dma_dev        = &mx3_ipu.dev,
 246         .flags          = MX3_CAMERA_DATAWIDTH_10,
 247         .mclk_10khz     = 2600,
 248 };
 249
 250 /*
 251  * FB support
 252  */
 253 static const struct fb_videomode fb_modedb[] = {
 254         {       /* 480x640 @ 60 Hz */
 255                 .name           = "Epson-VGA",
 256                 .refresh        = 60,
 257                 .xres           = 480,
 258                 .yres           = 640,
 259                 .pixclock       = 41701,
 260                 .left_margin    = 20,
 261                 .right_margin   = 41,
 262                 .upper_margin   = 10,
 263                 .lower_margin   = 5,
 264                 .hsync_len      = 20,
 265                 .vsync_len      = 10,
 266                 .sync           = FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
 267                 .vmode          = FB_VMODE_NONINTERLACED,
 268                 .flag           = 0,
 269         },
 270 };
 271
 272 static struct ipu_platform_data mx3_ipu_data = {
 273         .irq_base = MXC_IPU_IRQ_START,
 274 };
 275
 276 static struct mx3fb_platform_data mx3fb_pdata = {
 277         .dma_dev        = &mx3_ipu.dev,
 278         .name           = "Epson-VGA",
 279         .mode           = fb_modedb,
 280         .num_modes      = ARRAY_SIZE(fb_modedb),
 281 };
 282
 283 /* LCD */
 284 static struct l4f00242t03_pdata mx31_3ds_l4f00242t03_pdata = {
 285         .reset_gpio             = IOMUX_TO_GPIO(MX31_PIN_LCS1),
 286         .data_enable_gpio       = IOMUX_TO_GPIO(MX31_PIN_SER_RS),
 287         .core_supply            = "lcd_2v8",
 288         .io_supply              = "vdd_lcdio",
 289 };
 290
 291 /*
 292  * Support for SD card slot in personality board
 293  */
 294 #define MX31_3DS_GPIO_SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)
 295 #define MX31_3DS_GPIO_SDHC1_BE IOMUX_TO_GPIO(MX31_PIN_GPIO3_0)
 296
 297 static struct gpio mx31_3ds_sdhc1_gpios[] = {
 298         { MX31_3DS_GPIO_SDHC1_CD, GPIOF_IN, "sdhc1-card-detect" },
 299         { MX31_3DS_GPIO_SDHC1_BE, GPIOF_OUT_INIT_LOW, "sdhc1-bus-en" },
 300 };
 301
 302 static int mx31_3ds_sdhc1_init(struct device *dev,
 303                                irq_handler_t detect_irq,
 304                                void *data)
 305 {
 306         int ret;
 307
 308         ret = gpio_request_array(mx31_3ds_sdhc1_gpios,
 309                                  ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
 310         if (ret) {
 311                 pr_warning("Unable to request the SD/MMC GPIOs.\n");
 312                 return ret;
 313         }
 314
 315         ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
 316                           detect_irq, IRQF_DISABLED |
 317                           IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
 318                           "sdhc1-detect", data);
 319         if (ret) {
 320                 pr_warning("Unable to request the SD/MMC card-detect IRQ.\n");
 321                 goto gpio_free;
 322         }
 323
 324         return 0;
 325
 326 gpio_free:
 327         gpio_free_array(mx31_3ds_sdhc1_gpios,
 328                         ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
 329         return ret;
 330 }
 331
 332 static void mx31_3ds_sdhc1_exit(struct device *dev, void *data)
 333 {
 334         free_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO3_1), data);
 335         gpio_free_array(mx31_3ds_sdhc1_gpios,
 336                          ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
 337 }
 338
 339 static void mx31_3ds_sdhc1_setpower(struct device *dev, unsigned int vdd)
 340 {
 341         /*
 342          * While the voltage stuff is done by the driver, activate the
 343          * Buffer Enable Pin only if there is a card in slot to fix the card
 344          * voltage issue caused by bi-directional chip TXB0108 on 3Stack.
 345          * Done here because at this stage we have for sure a debounced value
 346          * of the presence of the card, showed by the value of vdd.
 347          * 7 == ilog2(MMC_VDD_165_195)
 348          */
 349         if (vdd > 7)
 350                 gpio_set_value(MX31_3DS_GPIO_SDHC1_BE, 1);
 351         else
 352                 gpio_set_value(MX31_3DS_GPIO_SDHC1_BE, 0);
 353 }
 354
 355 static struct imxmmc_platform_data sdhc1_pdata = {
 356         .init           = mx31_3ds_sdhc1_init,
 357         .exit           = mx31_3ds_sdhc1_exit,
 358         .setpower       = mx31_3ds_sdhc1_setpower,
 359 };
 360
 361 /*
 362  * Matrix keyboard
 363  */
 364
 365 static const uint32_t mx31_3ds_keymap[] = {
 366         KEY(0, 0, KEY_UP),
 367         KEY(0, 1, KEY_DOWN),
 368         KEY(1, 0, KEY_RIGHT),
 369         KEY(1, 1, KEY_LEFT),
 370         KEY(1, 2, KEY_ENTER),
 371         KEY(2, 0, KEY_F6),
 372         KEY(2, 1, KEY_F8),
 373         KEY(2, 2, KEY_F9),
 374         KEY(2, 3, KEY_F10),
 375 };
 376
 377 static const struct matrix_keymap_data mx31_3ds_keymap_data __initconst = {
 378         .keymap         = mx31_3ds_keymap,
 379         .keymap_size    = ARRAY_SIZE(mx31_3ds_keymap),
 380 };
 381
 382 /* Regulators */
 383 static struct regulator_init_data pwgtx_init = {
 384         .constraints = {
 385                 .boot_on        = 1,
 386                 .always_on      = 1,
 387         },
 388 };
 389
 390 static struct regulator_init_data gpo_init = {
 391         .constraints = {
 392                 .boot_on = 1,
 393                 .always_on = 1,
 394         }
 395 };
 396
 397 static struct regulator_consumer_supply vmmc2_consumers[] = {
 398         REGULATOR_SUPPLY("vmmc", "mxc-mmc.0"),
 399 };
 400
 401 static struct regulator_init_data vmmc2_init = {
 402         .constraints = {
 403                 .min_uV = 3000000,
 404                 .max_uV = 3000000,
 405                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 406                                   REGULATOR_CHANGE_STATUS,
 407         },
 408         .num_consumer_supplies = ARRAY_SIZE(vmmc2_consumers),
 409         .consumer_supplies = vmmc2_consumers,
 410 };
 411
 412 static struct regulator_consumer_supply vmmc1_consumers[] = {
 413         REGULATOR_SUPPLY("lcd_2v8", NULL),
 414         REGULATOR_SUPPLY("cmos_2v8", "soc-camera-pdrv.0"),
 415 };
 416
 417 static struct regulator_init_data vmmc1_init = {
 418         .constraints = {
 419                 .min_uV = 2800000,
 420                 .max_uV = 2800000,
 421                 .apply_uV = 1,
 422                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 423                                   REGULATOR_CHANGE_STATUS,
 424         },
 425         .num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers),
 426         .consumer_supplies = vmmc1_consumers,
 427 };
 428
 429 static struct regulator_consumer_supply vgen_consumers[] = {
 430         REGULATOR_SUPPLY("vdd_lcdio", NULL),
 431 };
 432
 433 static struct regulator_init_data vgen_init = {
 434         .constraints = {
 435                 .min_uV = 1800000,
 436                 .max_uV = 1800000,
 437                 .apply_uV = 1,
 438                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 439                                   REGULATOR_CHANGE_STATUS,
 440         },
 441         .num_consumer_supplies = ARRAY_SIZE(vgen_consumers),
 442         .consumer_supplies = vgen_consumers,
 443 };
 444
 445 static struct regulator_consumer_supply vvib_consumers[] = {
 446         REGULATOR_SUPPLY("cmos_vcore", "soc-camera-pdrv.0"),
 447 };
 448
 449 static struct regulator_init_data vvib_init = {
 450         .constraints = {
 451                 .min_uV = 1300000,
 452                 .max_uV = 1300000,
 453                 .apply_uV = 1,
 454                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 455                                   REGULATOR_CHANGE_STATUS,
 456         },
 457         .num_consumer_supplies = ARRAY_SIZE(vvib_consumers),
 458         .consumer_supplies = vvib_consumers,
 459 };
 460
 461 static struct mc13xxx_regulator_init_data mx31_3ds_regulators[] = {
 462         {
 463                 .id = MC13783_REG_PWGT1SPI, /* Power Gate for ARM core. */
 464                 .init_data = &pwgtx_init,
 465         }, {
 466                 .id = MC13783_REG_PWGT2SPI, /* Power Gate for L2 Cache. */
 467                 .init_data = &pwgtx_init,
 468         }, {
 469
 470                 .id = MC13783_REG_GPO1, /* Turn on 1.8V */
 471                 .init_data = &gpo_init,
 472         }, {
 473                 .id = MC13783_REG_GPO3, /* Turn on 3.3V */
 474                 .init_data = &gpo_init,
 475         }, {
 476                 .id = MC13783_REG_VMMC2, /* Power MMC/SD, WiFi/Bluetooth. */
 477                 .init_data = &vmmc2_init,
 478         }, {
 479                 .id = MC13783_REG_VMMC1, /* Power LCD, CMOS, FM, GPS, Accel. */
 480                 .init_data = &vmmc1_init,
 481         }, {
 482                 .id = MC13783_REG_VGEN,  /* Power LCD */
 483                 .init_data = &vgen_init,
 484         }, {
 485                 .id = MC13783_REG_VVIB,  /* Power CMOS */
 486                 .init_data = &vvib_init,
 487         },
 488 };
 489
 490 /* MC13783 */
 491 static struct mc13xxx_platform_data mc13783_pdata = {
 492         .regulators = {
 493                 .regulators = mx31_3ds_regulators,
 494                 .num_regulators = ARRAY_SIZE(mx31_3ds_regulators),
 495         },
 496         .flags  = MC13783_USE_REGULATOR | MC13783_USE_TOUCHSCREEN,
 497 };
 498
 499 /* SPI */
 500 static int spi0_internal_chipselect[] = {
 501         MXC_SPI_CS(2),
 502 };
 503
 504 static const struct spi_imx_master spi0_pdata __initconst = {
 505         .chipselect     = spi0_internal_chipselect,
 506         .num_chipselect = ARRAY_SIZE(spi0_internal_chipselect),
 507 };
 508
 509 static int spi1_internal_chipselect[] = {
 510         MXC_SPI_CS(0),
 511         MXC_SPI_CS(2),
 512 };
 513
 514 static const struct spi_imx_master spi1_pdata __initconst = {
 515         .chipselect     = spi1_internal_chipselect,
 516         .num_chipselect = ARRAY_SIZE(spi1_internal_chipselect),
 517 };
 518
 519 static struct spi_board_info mx31_3ds_spi_devs[] __initdata = {
 520         {
 521                 .modalias       = "mc13783",
 522                 .max_speed_hz   = 1000000,
 523                 .bus_num        = 1,
 524                 .chip_select    = 1, /* SS2 */
 525                 .platform_data  = &mc13783_pdata,
 526                 .irq            = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
 527                 .mode = SPI_CS_HIGH,
 528         }, {
 529                 .modalias       = "l4f00242t03",
 530                 .max_speed_hz   = 5000000,
 531                 .bus_num        = 0,
 532                 .chip_select    = 0, /* SS2 */
 533                 .platform_data  = &mx31_3ds_l4f00242t03_pdata,
 534         },
 535 };
 536
 537 /*
 538  * NAND Flash
 539  */
 540 static const struct mxc_nand_platform_data
 541 mx31_3ds_nand_board_info __initconst = {
 542         .width          = 1,
 543         .hw_ecc         = 1,
 544 #ifdef MACH_MX31_3DS_MXC_NAND_USE_BBT
 545         .flash_bbt      = 1,
 546 #endif
 547 };
 548
 549 /*
 550  * USB OTG
 551  */
 552
 553 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
 554                      PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
 555
 556 #define USBOTG_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_PWR)
 557 #define USBH2_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_BYP)
 558
 559 static int mx31_3ds_usbotg_init(void)
 560 {
 561         int err;
 562
 563         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
 564         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
 565         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
 566         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
 567         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
 568         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
 569         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
 570         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
 571         mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
 572         mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
 573         mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
 574         mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
 575
 576         err = gpio_request(USBOTG_RST_B, "otgusb-reset");
 577         if (err) {
 578                 pr_err("Failed to request the USB OTG reset gpio\n");
 579                 return err;
 580         }
 581
 582         err = gpio_direction_output(USBOTG_RST_B, 0);
 583         if (err) {
 584                 pr_err("Failed to drive the USB OTG reset gpio\n");
 585                 goto usbotg_free_reset;
 586         }
 587
 588         mdelay(1);
 589         gpio_set_value(USBOTG_RST_B, 1);
 590         return 0;
 591
 592 usbotg_free_reset:
 593         gpio_free(USBOTG_RST_B);
 594         return err;
 595 }
 596
 597 static int mx31_3ds_otg_init(struct platform_device *pdev)
 598 {
 599         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
 600 }
 601
 602 static int mx31_3ds_host2_init(struct platform_device *pdev)
 603 {
 604         int err;
 605
 606         mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
 607         mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
 608         mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
 609         mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
 610         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
 611         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
 612         mxc_iomux_set_pad(MX31_PIN_PC_VS2, USB_PAD_CFG);
 613         mxc_iomux_set_pad(MX31_PIN_PC_BVD1, USB_PAD_CFG);
 614         mxc_iomux_set_pad(MX31_PIN_PC_BVD2, USB_PAD_CFG);
 615         mxc_iomux_set_pad(MX31_PIN_PC_RST, USB_PAD_CFG);
 616         mxc_iomux_set_pad(MX31_PIN_IOIS16, USB_PAD_CFG);
 617         mxc_iomux_set_pad(MX31_PIN_PC_RW_B, USB_PAD_CFG);
 618
 619         err = gpio_request(USBH2_RST_B, "usbh2-reset");
 620         if (err) {
 621                 pr_err("Failed to request the USB Host 2 reset gpio\n");
 622                 return err;
 623         }
 624
 625         err = gpio_direction_output(USBH2_RST_B, 0);
 626         if (err) {
 627                 pr_err("Failed to drive the USB Host 2 reset gpio\n");
 628                 goto usbotg_free_reset;
 629         }
 630
 631         mdelay(1);
 632         gpio_set_value(USBH2_RST_B, 1);
 633
 634         mdelay(10);
 635
 636         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
 637
 638 usbotg_free_reset:
 639         gpio_free(USBH2_RST_B);
 640         return err;
 641 }
 642
 643 static struct mxc_usbh_platform_data otg_pdata __initdata = {
 644         .init   = mx31_3ds_otg_init,
 645         .portsc = MXC_EHCI_MODE_ULPI,
 646 };
 647
 648 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
 649         .init = mx31_3ds_host2_init,
 650         .portsc = MXC_EHCI_MODE_ULPI,
 651 };
 652
 653 static const struct fsl_usb2_platform_data usbotg_pdata __initconst = {
 654         .operating_mode = FSL_USB2_DR_DEVICE,
 655         .phy_mode       = FSL_USB2_PHY_ULPI,
 656 };
 657
 658 static int otg_mode_host;
 659
 660 static int __init mx31_3ds_otg_mode(char *options)
 661 {
 662         if (!strcmp(options, "host"))
 663                 otg_mode_host = 1;
 664         else if (!strcmp(options, "device"))
 665                 otg_mode_host = 0;
 666         else
 667                 pr_info("otg_mode neither \"host\" nor \"device\". "
 668                         "Defaulting to device\n");
 669         return 0;
 670 }
 671 __setup("otg_mode=", mx31_3ds_otg_mode);
 672
 673 static const struct imxuart_platform_data uart_pdata __initconst = {
 674         .flags = IMXUART_HAVE_RTSCTS,
 675 };
 676
 677 static const struct imxi2c_platform_data mx31_3ds_i2c0_data __initconst = {
 678         .bitrate = 100000,
 679 };
 680
 681 static struct platform_device *devices[] __initdata = {
 682         &mx31_3ds_ov2640,
 683 };
 684
 685 static void __init mx31_3ds_init(void)
 686 {
 687         int ret;
 688
 689         mxc_iomux_setup_multiple_pins(mx31_3ds_pins, ARRAY_SIZE(mx31_3ds_pins),
 690                                       "mx31_3ds");
 691
 692         imx31_add_imx_uart0(&uart_pdata);
 693         imx31_add_mxc_nand(&mx31_3ds_nand_board_info);
 694
 695         imx31_add_spi_imx1(&spi1_pdata);
 696         spi_register_board_info(mx31_3ds_spi_devs,
 697                                                 ARRAY_SIZE(mx31_3ds_spi_devs));
 698
 699         platform_add_devices(devices, ARRAY_SIZE(devices));
 700
 701         imx31_add_imx_keypad(&mx31_3ds_keymap_data);
 702
 703         mx31_3ds_usbotg_init();
 704         if (otg_mode_host) {
 705                 otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 706                                 ULPI_OTG_DRVVBUS_EXT);
 707                 if (otg_pdata.otg)
 708                         imx31_add_mxc_ehci_otg(&otg_pdata);
 709         }
 710         usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 711                         ULPI_OTG_DRVVBUS_EXT);
 712         if (usbh2_pdata.otg)
 713                 imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
 714
 715         if (!otg_mode_host)
 716                 imx31_add_fsl_usb2_udc(&usbotg_pdata);
 717
 718         if (mxc_expio_init(MX31_CS5_BASE_ADDR, EXPIO_PARENT_INT))
 719                 printk(KERN_WARNING "Init of the debug board failed, all "
 720                                     "devices on the debug board are unusable.\n");
 721         imx31_add_imx2_wdt(NULL);
 722         imx31_add_imx_i2c0(&mx31_3ds_i2c0_data);
 723         imx31_add_mxc_mmc(0, &sdhc1_pdata);
 724
 725         imx31_add_spi_imx0(&spi0_pdata);
 726         mxc_register_device(&mx3_ipu, &mx3_ipu_data);
 727         mxc_register_device(&mx3_fb, &mx3fb_pdata);
 728
 729         /* CSI */
 730         /* Camera power: default - off */
 731         ret = gpio_request_array(mx31_3ds_camera_gpios,
 732                                  ARRAY_SIZE(mx31_3ds_camera_gpios));
 733         if (ret) {
 734                 pr_err("Failed to request camera gpios");
 735                 iclink_ov2640.power = NULL;
 736         }
 737
 738         if (!mx31_3ds_camera_alloc_dma())
 739                 mxc_register_device(&mx3_camera, &mx31_3ds_camera_pdata);
 740         else
 741                 pr_err("Failed to allocate dma memory for camera");
 742 }
 743
 744 static void __init mx31_3ds_timer_init(void)
 745 {
 746         mx31_clocks_init(26000000);
 747 }
 748
 749 static struct sys_timer mx31_3ds_timer = {
 750         .init   = mx31_3ds_timer_init,
 751 };
 752
 753 static void __init mx31_3ds_reserve(void)
 754 {
 755         /* reserve MX31_3DS_CAMERA_BUF_SIZE bytes for mx3-camera */
 756         mx3_camera_base = memblock_alloc(MX31_3DS_CAMERA_BUF_SIZE,
 757                                          MX31_3DS_CAMERA_BUF_SIZE);
 758         memblock_free(mx3_camera_base, MX31_3DS_CAMERA_BUF_SIZE);
 759         memblock_remove(mx3_camera_base, MX31_3DS_CAMERA_BUF_SIZE);
 760 }
 761
 762 MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)")
 763         /* Maintainer: Freescale Semiconductor, Inc. */
 764         .boot_params = MX3x_PHYS_OFFSET + 0x100,
 765         .map_io = mx31_map_io,
 766         .init_early = imx31_init_early,
 767         .init_irq = mx31_init_irq,
 768         .timer = &mx31_3ds_timer,
 769         .init_machine = mx31_3ds_init,
 770         .reserve = mx31_3ds_reserve,
 771 MACHINE_END