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 <asm/memblock.h>
  40 #include <mach/common.h>
  41 #include <mach/iomux-mx3.h>
  42 #include <mach/3ds_debugboard.h>
  43 #include <mach/ulpi.h>
  44
  45 #include "devices-imx31.h"
  46
  47 static int mx31_3ds_pins[] = {
  48         /* UART1 */
  49         MX31_PIN_CTS1__CTS1,
  50         MX31_PIN_RTS1__RTS1,
  51         MX31_PIN_TXD1__TXD1,
  52         MX31_PIN_RXD1__RXD1,
  53         IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO),
  54         /*SPI0*/
  55         IOMUX_MODE(MX31_PIN_DSR_DCE1, IOMUX_CONFIG_ALT1),
  56         IOMUX_MODE(MX31_PIN_RI_DCE1, IOMUX_CONFIG_ALT1),
  57         /* SPI 1 */
  58         MX31_PIN_CSPI2_SCLK__SCLK,
  59         MX31_PIN_CSPI2_MOSI__MOSI,
  60         MX31_PIN_CSPI2_MISO__MISO,
  61         MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
  62         MX31_PIN_CSPI2_SS0__SS0,
  63         MX31_PIN_CSPI2_SS2__SS2, /*CS for MC13783 */
  64         /* MC13783 IRQ */
  65         IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO),
  66         /* USB OTG reset */
  67         IOMUX_MODE(MX31_PIN_USB_PWR, IOMUX_CONFIG_GPIO),
  68         /* USB OTG */
  69         MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
  70         MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
  71         MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
  72         MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
  73         MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
  74         MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
  75         MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
  76         MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
  77         MX31_PIN_USBOTG_CLK__USBOTG_CLK,
  78         MX31_PIN_USBOTG_DIR__USBOTG_DIR,
  79         MX31_PIN_USBOTG_NXT__USBOTG_NXT,
  80         MX31_PIN_USBOTG_STP__USBOTG_STP,
  81         /*Keyboard*/
  82         MX31_PIN_KEY_ROW0_KEY_ROW0,
  83         MX31_PIN_KEY_ROW1_KEY_ROW1,
  84         MX31_PIN_KEY_ROW2_KEY_ROW2,
  85         MX31_PIN_KEY_COL0_KEY_COL0,
  86         MX31_PIN_KEY_COL1_KEY_COL1,
  87         MX31_PIN_KEY_COL2_KEY_COL2,
  88         MX31_PIN_KEY_COL3_KEY_COL3,
  89         /* USB Host 2 */
  90         IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
  91         IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
  92         IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
  93         IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
  94         IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
  95         IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
  96         IOMUX_MODE(MX31_PIN_PC_VS2, IOMUX_CONFIG_ALT1),
  97         IOMUX_MODE(MX31_PIN_PC_BVD1, IOMUX_CONFIG_ALT1),
  98         IOMUX_MODE(MX31_PIN_PC_BVD2, IOMUX_CONFIG_ALT1),
  99         IOMUX_MODE(MX31_PIN_PC_RST, IOMUX_CONFIG_ALT1),
 100         IOMUX_MODE(MX31_PIN_IOIS16, IOMUX_CONFIG_ALT1),
 101         IOMUX_MODE(MX31_PIN_PC_RW_B, IOMUX_CONFIG_ALT1),
 102         /* USB Host2 reset */
 103         IOMUX_MODE(MX31_PIN_USB_BYP, IOMUX_CONFIG_GPIO),
 104         /* I2C1 */
 105         MX31_PIN_I2C_CLK__I2C1_SCL,
 106         MX31_PIN_I2C_DAT__I2C1_SDA,
 107         /* SDHC1 */
 108         MX31_PIN_SD1_DATA3__SD1_DATA3,
 109         MX31_PIN_SD1_DATA2__SD1_DATA2,
 110         MX31_PIN_SD1_DATA1__SD1_DATA1,
 111         MX31_PIN_SD1_DATA0__SD1_DATA0,
 112         MX31_PIN_SD1_CLK__SD1_CLK,
 113         MX31_PIN_SD1_CMD__SD1_CMD,
 114         MX31_PIN_GPIO3_1__GPIO3_1, /* Card detect */
 115         MX31_PIN_GPIO3_0__GPIO3_0, /* OE */
 116         /* Framebuffer */
 117         MX31_PIN_LD0__LD0,
 118         MX31_PIN_LD1__LD1,
 119         MX31_PIN_LD2__LD2,
 120         MX31_PIN_LD3__LD3,
 121         MX31_PIN_LD4__LD4,
 122         MX31_PIN_LD5__LD5,
 123         MX31_PIN_LD6__LD6,
 124         MX31_PIN_LD7__LD7,
 125         MX31_PIN_LD8__LD8,
 126         MX31_PIN_LD9__LD9,
 127         MX31_PIN_LD10__LD10,
 128         MX31_PIN_LD11__LD11,
 129         MX31_PIN_LD12__LD12,
 130         MX31_PIN_LD13__LD13,
 131         MX31_PIN_LD14__LD14,
 132         MX31_PIN_LD15__LD15,
 133         MX31_PIN_LD16__LD16,
 134         MX31_PIN_LD17__LD17,
 135         MX31_PIN_VSYNC3__VSYNC3,
 136         MX31_PIN_HSYNC__HSYNC,
 137         MX31_PIN_FPSHIFT__FPSHIFT,
 138         MX31_PIN_CONTRAST__CONTRAST,
 139         /* CSI */
 140         MX31_PIN_CSI_D6__CSI_D6,
 141         MX31_PIN_CSI_D7__CSI_D7,
 142         MX31_PIN_CSI_D8__CSI_D8,
 143         MX31_PIN_CSI_D9__CSI_D9,
 144         MX31_PIN_CSI_D10__CSI_D10,
 145         MX31_PIN_CSI_D11__CSI_D11,
 146         MX31_PIN_CSI_D12__CSI_D12,
 147         MX31_PIN_CSI_D13__CSI_D13,
 148         MX31_PIN_CSI_D14__CSI_D14,
 149         MX31_PIN_CSI_D15__CSI_D15,
 150         MX31_PIN_CSI_HSYNC__CSI_HSYNC,
 151         MX31_PIN_CSI_MCLK__CSI_MCLK,
 152         MX31_PIN_CSI_PIXCLK__CSI_PIXCLK,
 153         MX31_PIN_CSI_VSYNC__CSI_VSYNC,
 154         MX31_PIN_CSI_D5__GPIO3_5, /* CMOS PWDN */
 155         IOMUX_MODE(MX31_PIN_RI_DTE1, IOMUX_CONFIG_GPIO), /* CMOS reset */
 156         /* SSI */
 157         MX31_PIN_STXD4__STXD4,
 158         MX31_PIN_SRXD4__SRXD4,
 159         MX31_PIN_SCK4__SCK4,
 160         MX31_PIN_SFS4__SFS4,
 161 };
 162
 163 /*
 164  * Camera support
 165  */
 166 static phys_addr_t mx3_camera_base __initdata;
 167 #define MX31_3DS_CAMERA_BUF_SIZE SZ_8M
 168
 169 #define MX31_3DS_GPIO_CAMERA_PW IOMUX_TO_GPIO(MX31_PIN_CSI_D5)
 170 #define MX31_3DS_GPIO_CAMERA_RST IOMUX_TO_GPIO(MX31_PIN_RI_DTE1)
 171
 172 static struct gpio mx31_3ds_camera_gpios[] = {
 173         { MX31_3DS_GPIO_CAMERA_PW, GPIOF_OUT_INIT_HIGH, "camera-power" },
 174         { MX31_3DS_GPIO_CAMERA_RST, GPIOF_OUT_INIT_HIGH, "camera-reset" },
 175 };
 176
 177 static const struct mx3_camera_pdata mx31_3ds_camera_pdata __initconst = {
 178         .flags = MX3_CAMERA_DATAWIDTH_10,
 179         .mclk_10khz = 2600,
 180 };
 181
 182 static int __init mx31_3ds_init_camera(void)
 183 {
 184         int dma, ret = -ENOMEM;
 185         struct platform_device *pdev =
 186                 imx31_alloc_mx3_camera(&mx31_3ds_camera_pdata);
 187
 188         if (IS_ERR(pdev))
 189                 return PTR_ERR(pdev);
 190
 191         if (!mx3_camera_base)
 192                 goto err;
 193
 194         dma = dma_declare_coherent_memory(&pdev->dev,
 195                                         mx3_camera_base, mx3_camera_base,
 196                                         MX31_3DS_CAMERA_BUF_SIZE,
 197                                         DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
 198
 199         if (!(dma & DMA_MEMORY_MAP))
 200                 goto err;
 201
 202         ret = platform_device_add(pdev);
 203         if (ret)
 204 err:
 205                 platform_device_put(pdev);
 206
 207         return ret;
 208 }
 209
 210 static int mx31_3ds_camera_power(struct device *dev, int on)
 211 {
 212         /* enable or disable the camera */
 213         pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE");
 214         gpio_set_value(MX31_3DS_GPIO_CAMERA_PW, on ? 0 : 1);
 215
 216         if (!on)
 217                 goto out;
 218
 219         /* If enabled, give a reset impulse */
 220         gpio_set_value(MX31_3DS_GPIO_CAMERA_RST, 0);
 221         msleep(20);
 222         gpio_set_value(MX31_3DS_GPIO_CAMERA_RST, 1);
 223         msleep(100);
 224
 225 out:
 226         return 0;
 227 }
 228
 229 static struct i2c_board_info mx31_3ds_i2c_camera = {
 230         I2C_BOARD_INFO("ov2640", 0x30),
 231 };
 232
 233 static struct regulator_bulk_data mx31_3ds_camera_regs[] = {
 234         { .supply = "cmos_vcore" },
 235         { .supply = "cmos_2v8" },
 236 };
 237
 238 static struct soc_camera_link iclink_ov2640 = {
 239         .bus_id         = 0,
 240         .board_info     = &mx31_3ds_i2c_camera,
 241         .i2c_adapter_id = 0,
 242         .power          = mx31_3ds_camera_power,
 243         .regulators     = mx31_3ds_camera_regs,
 244         .num_regulators = ARRAY_SIZE(mx31_3ds_camera_regs),
 245 };
 246
 247 static struct platform_device mx31_3ds_ov2640 = {
 248         .name   = "soc-camera-pdrv",
 249         .id     = 0,
 250         .dev    = {
 251                 .platform_data = &iclink_ov2640,
 252         },
 253 };
 254
 255 /*
 256  * FB support
 257  */
 258 static const struct fb_videomode fb_modedb[] = {
 259         {       /* 480x640 @ 60 Hz */
 260                 .name           = "Epson-VGA",
 261                 .refresh        = 60,
 262                 .xres           = 480,
 263                 .yres           = 640,
 264                 .pixclock       = 41701,
 265                 .left_margin    = 20,
 266                 .right_margin   = 41,
 267                 .upper_margin   = 10,
 268                 .lower_margin   = 5,
 269                 .hsync_len      = 20,
 270                 .vsync_len      = 10,
 271                 .sync           = FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
 272                 .vmode          = FB_VMODE_NONINTERLACED,
 273                 .flag           = 0,
 274         },
 275 };
 276
 277 static struct ipu_platform_data mx3_ipu_data = {
 278         .irq_base = MXC_IPU_IRQ_START,
 279 };
 280
 281 static struct mx3fb_platform_data mx3fb_pdata __initdata = {
 282         .name           = "Epson-VGA",
 283         .mode           = fb_modedb,
 284         .num_modes      = ARRAY_SIZE(fb_modedb),
 285 };
 286
 287 /* LCD */
 288 static struct l4f00242t03_pdata mx31_3ds_l4f00242t03_pdata = {
 289         .reset_gpio             = IOMUX_TO_GPIO(MX31_PIN_LCS1),
 290         .data_enable_gpio       = IOMUX_TO_GPIO(MX31_PIN_SER_RS),
 291 };
 292
 293 /*
 294  * Support for SD card slot in personality board
 295  */
 296 #define MX31_3DS_GPIO_SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)
 297 #define MX31_3DS_GPIO_SDHC1_BE IOMUX_TO_GPIO(MX31_PIN_GPIO3_0)
 298
 299 static struct gpio mx31_3ds_sdhc1_gpios[] = {
 300         { MX31_3DS_GPIO_SDHC1_CD, GPIOF_IN, "sdhc1-card-detect" },
 301         { MX31_3DS_GPIO_SDHC1_BE, GPIOF_OUT_INIT_LOW, "sdhc1-bus-en" },
 302 };
 303
 304 static int mx31_3ds_sdhc1_init(struct device *dev,
 305                                irq_handler_t detect_irq,
 306                                void *data)
 307 {
 308         int ret;
 309
 310         ret = gpio_request_array(mx31_3ds_sdhc1_gpios,
 311                                  ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
 312         if (ret) {
 313                 pr_warning("Unable to request the SD/MMC GPIOs.\n");
 314                 return ret;
 315         }
 316
 317         ret = request_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)),
 318                           detect_irq, IRQF_DISABLED |
 319                           IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
 320                           "sdhc1-detect", data);
 321         if (ret) {
 322                 pr_warning("Unable to request the SD/MMC card-detect IRQ.\n");
 323                 goto gpio_free;
 324         }
 325
 326         return 0;
 327
 328 gpio_free:
 329         gpio_free_array(mx31_3ds_sdhc1_gpios,
 330                         ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
 331         return ret;
 332 }
 333
 334 static void mx31_3ds_sdhc1_exit(struct device *dev, void *data)
 335 {
 336         free_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)), data);
 337         gpio_free_array(mx31_3ds_sdhc1_gpios,
 338                          ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
 339 }
 340
 341 static void mx31_3ds_sdhc1_setpower(struct device *dev, unsigned int vdd)
 342 {
 343         /*
 344          * While the voltage stuff is done by the driver, activate the
 345          * Buffer Enable Pin only if there is a card in slot to fix the card
 346          * voltage issue caused by bi-directional chip TXB0108 on 3Stack.
 347          * Done here because at this stage we have for sure a debounced value
 348          * of the presence of the card, showed by the value of vdd.
 349          * 7 == ilog2(MMC_VDD_165_195)
 350          */
 351         if (vdd > 7)
 352                 gpio_set_value(MX31_3DS_GPIO_SDHC1_BE, 1);
 353         else
 354                 gpio_set_value(MX31_3DS_GPIO_SDHC1_BE, 0);
 355 }
 356
 357 static struct imxmmc_platform_data sdhc1_pdata = {
 358         .init           = mx31_3ds_sdhc1_init,
 359         .exit           = mx31_3ds_sdhc1_exit,
 360         .setpower       = mx31_3ds_sdhc1_setpower,
 361 };
 362
 363 /*
 364  * Matrix keyboard
 365  */
 366
 367 static const uint32_t mx31_3ds_keymap[] = {
 368         KEY(0, 0, KEY_UP),
 369         KEY(0, 1, KEY_DOWN),
 370         KEY(1, 0, KEY_RIGHT),
 371         KEY(1, 1, KEY_LEFT),
 372         KEY(1, 2, KEY_ENTER),
 373         KEY(2, 0, KEY_F6),
 374         KEY(2, 1, KEY_F8),
 375         KEY(2, 2, KEY_F9),
 376         KEY(2, 3, KEY_F10),
 377 };
 378
 379 static const struct matrix_keymap_data mx31_3ds_keymap_data __initconst = {
 380         .keymap         = mx31_3ds_keymap,
 381         .keymap_size    = ARRAY_SIZE(mx31_3ds_keymap),
 382 };
 383
 384 /* Regulators */
 385 static struct regulator_init_data pwgtx_init = {
 386         .constraints = {
 387                 .boot_on        = 1,
 388                 .always_on      = 1,
 389         },
 390 };
 391
 392 static struct regulator_init_data gpo_init = {
 393         .constraints = {
 394                 .boot_on = 1,
 395                 .always_on = 1,
 396         }
 397 };
 398
 399 static struct regulator_consumer_supply vmmc2_consumers[] = {
 400         REGULATOR_SUPPLY("vmmc", "mxc-mmc.0"),
 401 };
 402
 403 static struct regulator_init_data vmmc2_init = {
 404         .constraints = {
 405                 .min_uV = 3000000,
 406                 .max_uV = 3000000,
 407                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 408                                   REGULATOR_CHANGE_STATUS,
 409         },
 410         .num_consumer_supplies = ARRAY_SIZE(vmmc2_consumers),
 411         .consumer_supplies = vmmc2_consumers,
 412 };
 413
 414 static struct regulator_consumer_supply vmmc1_consumers[] = {
 415         REGULATOR_SUPPLY("vcore", "spi0.0"),
 416         REGULATOR_SUPPLY("cmos_2v8", "soc-camera-pdrv.0"),
 417 };
 418
 419 static struct regulator_init_data vmmc1_init = {
 420         .constraints = {
 421                 .min_uV = 2800000,
 422                 .max_uV = 2800000,
 423                 .apply_uV = 1,
 424                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 425                                   REGULATOR_CHANGE_STATUS,
 426         },
 427         .num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers),
 428         .consumer_supplies = vmmc1_consumers,
 429 };
 430
 431 static struct regulator_consumer_supply vgen_consumers[] = {
 432         REGULATOR_SUPPLY("vdd", "spi0.0"),
 433 };
 434
 435 static struct regulator_init_data vgen_init = {
 436         .constraints = {
 437                 .min_uV = 1800000,
 438                 .max_uV = 1800000,
 439                 .apply_uV = 1,
 440                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 441                                   REGULATOR_CHANGE_STATUS,
 442         },
 443         .num_consumer_supplies = ARRAY_SIZE(vgen_consumers),
 444         .consumer_supplies = vgen_consumers,
 445 };
 446
 447 static struct regulator_consumer_supply vvib_consumers[] = {
 448         REGULATOR_SUPPLY("cmos_vcore", "soc-camera-pdrv.0"),
 449 };
 450
 451 static struct regulator_init_data vvib_init = {
 452         .constraints = {
 453                 .min_uV = 1300000,
 454                 .max_uV = 1300000,
 455                 .apply_uV = 1,
 456                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 457                                   REGULATOR_CHANGE_STATUS,
 458         },
 459         .num_consumer_supplies = ARRAY_SIZE(vvib_consumers),
 460         .consumer_supplies = vvib_consumers,
 461 };
 462
 463 static struct mc13xxx_regulator_init_data mx31_3ds_regulators[] = {
 464         {
 465                 .id = MC13783_REG_PWGT1SPI, /* Power Gate for ARM core. */
 466                 .init_data = &pwgtx_init,
 467         }, {
 468                 .id = MC13783_REG_PWGT2SPI, /* Power Gate for L2 Cache. */
 469                 .init_data = &pwgtx_init,
 470         }, {
 471
 472                 .id = MC13783_REG_GPO1, /* Turn on 1.8V */
 473                 .init_data = &gpo_init,
 474         }, {
 475                 .id = MC13783_REG_GPO3, /* Turn on 3.3V */
 476                 .init_data = &gpo_init,
 477         }, {
 478                 .id = MC13783_REG_VMMC2, /* Power MMC/SD, WiFi/Bluetooth. */
 479                 .init_data = &vmmc2_init,
 480         }, {
 481                 .id = MC13783_REG_VMMC1, /* Power LCD, CMOS, FM, GPS, Accel. */
 482                 .init_data = &vmmc1_init,
 483         }, {
 484                 .id = MC13783_REG_VGEN,  /* Power LCD */
 485                 .init_data = &vgen_init,
 486         }, {
 487                 .id = MC13783_REG_VVIB,  /* Power CMOS */
 488                 .init_data = &vvib_init,
 489         },
 490 };
 491
 492 /* MC13783 */
 493 static struct mc13xxx_codec_platform_data mx31_3ds_codec = {
 494         .dac_ssi_port = MC13783_SSI1_PORT,
 495         .adc_ssi_port = MC13783_SSI1_PORT,
 496 };
 497
 498 static struct mc13xxx_platform_data mc13783_pdata = {
 499         .regulators = {
 500                 .regulators = mx31_3ds_regulators,
 501                 .num_regulators = ARRAY_SIZE(mx31_3ds_regulators),
 502         },
 503         .codec = &mx31_3ds_codec,
 504         .flags  = MC13XXX_USE_TOUCHSCREEN | MC13XXX_USE_RTC | MC13XXX_USE_CODEC,
 505
 506 };
 507
 508 static struct imx_ssi_platform_data mx31_3ds_ssi_pdata = {
 509         .flags = IMX_SSI_DMA | IMX_SSI_NET,
 510 };
 511
 512 /* SPI */
 513 static int spi0_internal_chipselect[] = {
 514         MXC_SPI_CS(2),
 515 };
 516
 517 static const struct spi_imx_master spi0_pdata __initconst = {
 518         .chipselect     = spi0_internal_chipselect,
 519         .num_chipselect = ARRAY_SIZE(spi0_internal_chipselect),
 520 };
 521
 522 static int spi1_internal_chipselect[] = {
 523         MXC_SPI_CS(0),
 524         MXC_SPI_CS(2),
 525 };
 526
 527 static const struct spi_imx_master spi1_pdata __initconst = {
 528         .chipselect     = spi1_internal_chipselect,
 529         .num_chipselect = ARRAY_SIZE(spi1_internal_chipselect),
 530 };
 531
 532 static struct spi_board_info mx31_3ds_spi_devs[] __initdata = {
 533         {
 534                 .modalias       = "mc13783",
 535                 .max_speed_hz   = 1000000,
 536                 .bus_num        = 1,
 537                 .chip_select    = 1, /* SS2 */
 538                 .platform_data  = &mc13783_pdata,
 539                 /* irq number is run-time assigned */
 540                 .mode = SPI_CS_HIGH,
 541         }, {
 542                 .modalias       = "l4f00242t03",
 543                 .max_speed_hz   = 5000000,
 544                 .bus_num        = 0,
 545                 .chip_select    = 0, /* SS2 */
 546                 .platform_data  = &mx31_3ds_l4f00242t03_pdata,
 547         },
 548 };
 549
 550 /*
 551  * NAND Flash
 552  */
 553 static const struct mxc_nand_platform_data
 554 mx31_3ds_nand_board_info __initconst = {
 555         .width          = 1,
 556         .hw_ecc         = 1,
 557 #ifdef CONFIG_MACH_MX31_3DS_MXC_NAND_USE_BBT
 558         .flash_bbt      = 1,
 559 #endif
 560 };
 561
 562 /*
 563  * USB OTG
 564  */
 565
 566 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
 567                      PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
 568
 569 #define USBOTG_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_PWR)
 570 #define USBH2_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_BYP)
 571
 572 static int mx31_3ds_usbotg_init(void)
 573 {
 574         int err;
 575
 576         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
 577         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
 578         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
 579         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
 580         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
 581         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
 582         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
 583         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
 584         mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
 585         mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
 586         mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
 587         mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
 588
 589         err = gpio_request(USBOTG_RST_B, "otgusb-reset");
 590         if (err) {
 591                 pr_err("Failed to request the USB OTG reset gpio\n");
 592                 return err;
 593         }
 594
 595         err = gpio_direction_output(USBOTG_RST_B, 0);
 596         if (err) {
 597                 pr_err("Failed to drive the USB OTG reset gpio\n");
 598                 goto usbotg_free_reset;
 599         }
 600
 601         mdelay(1);
 602         gpio_set_value(USBOTG_RST_B, 1);
 603         return 0;
 604
 605 usbotg_free_reset:
 606         gpio_free(USBOTG_RST_B);
 607         return err;
 608 }
 609
 610 static int mx31_3ds_otg_init(struct platform_device *pdev)
 611 {
 612         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
 613 }
 614
 615 static int mx31_3ds_host2_init(struct platform_device *pdev)
 616 {
 617         int err;
 618
 619         mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
 620         mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
 621         mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
 622         mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
 623         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
 624         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
 625         mxc_iomux_set_pad(MX31_PIN_PC_VS2, USB_PAD_CFG);
 626         mxc_iomux_set_pad(MX31_PIN_PC_BVD1, USB_PAD_CFG);
 627         mxc_iomux_set_pad(MX31_PIN_PC_BVD2, USB_PAD_CFG);
 628         mxc_iomux_set_pad(MX31_PIN_PC_RST, USB_PAD_CFG);
 629         mxc_iomux_set_pad(MX31_PIN_IOIS16, USB_PAD_CFG);
 630         mxc_iomux_set_pad(MX31_PIN_PC_RW_B, USB_PAD_CFG);
 631
 632         err = gpio_request(USBH2_RST_B, "usbh2-reset");
 633         if (err) {
 634                 pr_err("Failed to request the USB Host 2 reset gpio\n");
 635                 return err;
 636         }
 637
 638         err = gpio_direction_output(USBH2_RST_B, 0);
 639         if (err) {
 640                 pr_err("Failed to drive the USB Host 2 reset gpio\n");
 641                 goto usbotg_free_reset;
 642         }
 643
 644         mdelay(1);
 645         gpio_set_value(USBH2_RST_B, 1);
 646
 647         mdelay(10);
 648
 649         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
 650
 651 usbotg_free_reset:
 652         gpio_free(USBH2_RST_B);
 653         return err;
 654 }
 655
 656 static struct mxc_usbh_platform_data otg_pdata __initdata = {
 657         .init   = mx31_3ds_otg_init,
 658         .portsc = MXC_EHCI_MODE_ULPI,
 659 };
 660
 661 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
 662         .init = mx31_3ds_host2_init,
 663         .portsc = MXC_EHCI_MODE_ULPI,
 664 };
 665
 666 static const struct fsl_usb2_platform_data usbotg_pdata __initconst = {
 667         .operating_mode = FSL_USB2_DR_DEVICE,
 668         .phy_mode       = FSL_USB2_PHY_ULPI,
 669 };
 670
 671 static int otg_mode_host;
 672
 673 static int __init mx31_3ds_otg_mode(char *options)
 674 {
 675         if (!strcmp(options, "host"))
 676                 otg_mode_host = 1;
 677         else if (!strcmp(options, "device"))
 678                 otg_mode_host = 0;
 679         else
 680                 pr_info("otg_mode neither \"host\" nor \"device\". "
 681                         "Defaulting to device\n");
 682         return 0;
 683 }
 684 __setup("otg_mode=", mx31_3ds_otg_mode);
 685
 686 static const struct imxuart_platform_data uart_pdata __initconst = {
 687         .flags = IMXUART_HAVE_RTSCTS,
 688 };
 689
 690 static const struct imxi2c_platform_data mx31_3ds_i2c0_data __initconst = {
 691         .bitrate = 100000,
 692 };
 693
 694 static struct platform_device *devices[] __initdata = {
 695         &mx31_3ds_ov2640,
 696 };
 697
 698 static void __init mx31_3ds_init(void)
 699 {
 700         int ret;
 701
 702         imx31_soc_init();
 703
 704         /* Configure SPI1 IOMUX */
 705         mxc_iomux_set_gpr(MUX_PGP_CSPI_BB, true);
 706
 707         mxc_iomux_setup_multiple_pins(mx31_3ds_pins, ARRAY_SIZE(mx31_3ds_pins),
 708                                       "mx31_3ds");
 709
 710         imx31_add_imx_uart0(&uart_pdata);
 711         imx31_add_mxc_nand(&mx31_3ds_nand_board_info);
 712
 713         imx31_add_spi_imx1(&spi1_pdata);
 714         mx31_3ds_spi_devs[0].irq = gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
 715         spi_register_board_info(mx31_3ds_spi_devs,
 716                                                 ARRAY_SIZE(mx31_3ds_spi_devs));
 717
 718         platform_add_devices(devices, ARRAY_SIZE(devices));
 719
 720         imx31_add_imx_keypad(&mx31_3ds_keymap_data);
 721
 722         mx31_3ds_usbotg_init();
 723         if (otg_mode_host) {
 724                 otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 725                                 ULPI_OTG_DRVVBUS_EXT);
 726                 if (otg_pdata.otg)
 727                         imx31_add_mxc_ehci_otg(&otg_pdata);
 728         }
 729         usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 730                         ULPI_OTG_DRVVBUS_EXT);
 731         if (usbh2_pdata.otg)
 732                 imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
 733
 734         if (!otg_mode_host)
 735                 imx31_add_fsl_usb2_udc(&usbotg_pdata);
 736
 737         if (mxc_expio_init(MX31_CS5_BASE_ADDR,
 738                            gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1))))
 739                 printk(KERN_WARNING "Init of the debug board failed, all "
 740                                     "devices on the debug board are unusable.\n");
 741         imx31_add_imx2_wdt(NULL);
 742         imx31_add_imx_i2c0(&mx31_3ds_i2c0_data);
 743         imx31_add_mxc_mmc(0, &sdhc1_pdata);
 744
 745         imx31_add_spi_imx0(&spi0_pdata);
 746         imx31_add_ipu_core(&mx3_ipu_data);
 747         imx31_add_mx3_sdc_fb(&mx3fb_pdata);
 748
 749         /* CSI */
 750         /* Camera power: default - off */
 751         ret = gpio_request_array(mx31_3ds_camera_gpios,
 752                                  ARRAY_SIZE(mx31_3ds_camera_gpios));
 753         if (ret) {
 754                 pr_err("Failed to request camera gpios");
 755                 iclink_ov2640.power = NULL;
 756         }
 757
 758         mx31_3ds_init_camera();
 759
 760         imx31_add_imx_ssi(0, &mx31_3ds_ssi_pdata);
 761
 762         imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0);
 763 }
 764
 765 static void __init mx31_3ds_timer_init(void)
 766 {
 767         mx31_clocks_init(26000000);
 768 }
 769
 770 static struct sys_timer mx31_3ds_timer = {
 771         .init   = mx31_3ds_timer_init,
 772 };
 773
 774 static void __init mx31_3ds_reserve(void)
 775 {
 776         /* reserve MX31_3DS_CAMERA_BUF_SIZE bytes for mx3-camera */
 777         mx3_camera_base = arm_memblock_steal(MX31_3DS_CAMERA_BUF_SIZE,
 778                                          MX31_3DS_CAMERA_BUF_SIZE);
 779 }
 780
 781 MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)")
 782         /* Maintainer: Freescale Semiconductor, Inc. */
 783         .atag_offset = 0x100,
 784         .map_io = mx31_map_io,
 785         .init_early = imx31_init_early,
 786         .init_irq = mx31_init_irq,
 787         .handle_irq = imx31_handle_irq,
 788         .timer = &mx31_3ds_timer,
 789         .init_machine = mx31_3ds_init,
 790         .reserve = mx31_3ds_reserve,
 791         .restart        = mxc_restart,
 792 MACHINE_END