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

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
   4  */
   5
   6 #include <linux/delay.h>
   7 #include <linux/dma-mapping.h>
   8 #include <linux/types.h>
   9 #include <linux/init.h>
  10 #include <linux/clk.h>
  11 #include <linux/irq.h>
  12 #include <linux/gpio.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/mfd/mc13783.h>
  15 #include <linux/spi/spi.h>
  16 #include <linux/spi/l4f00242t03.h>
  17 #include <linux/regulator/machine.h>
  18 #include <linux/usb/otg.h>
  19 #include <linux/usb/ulpi.h>
  20
  21 #include <asm/mach-types.h>
  22 #include <asm/mach/arch.h>
  23 #include <asm/mach/time.h>
  24 #include <asm/memory.h>
  25 #include <asm/mach/map.h>
  26
  27 #include "3ds_debugboard.h"
  28 #include "common.h"
  29 #include "devices-imx31.h"
  30 #include "ehci.h"
  31 #include "hardware.h"
  32 #include "iomux-mx3.h"
  33 #include "ulpi.h"
  34
  35 static int mx31_3ds_pins[] = {
  36         /* UART1 */
  37         MX31_PIN_CTS1__CTS1,
  38         MX31_PIN_RTS1__RTS1,
  39         MX31_PIN_TXD1__TXD1,
  40         MX31_PIN_RXD1__RXD1,
  41         IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO),
  42         /*SPI0*/
  43         IOMUX_MODE(MX31_PIN_DSR_DCE1, IOMUX_CONFIG_ALT1),
  44         IOMUX_MODE(MX31_PIN_RI_DCE1, IOMUX_CONFIG_ALT1),
  45         /* SPI 1 */
  46         MX31_PIN_CSPI2_SCLK__SCLK,
  47         MX31_PIN_CSPI2_MOSI__MOSI,
  48         MX31_PIN_CSPI2_MISO__MISO,
  49         MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
  50         MX31_PIN_CSPI2_SS0__SS0,
  51         MX31_PIN_CSPI2_SS2__SS2, /*CS for MC13783 */
  52         /* MC13783 IRQ */
  53         IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO),
  54         /* USB OTG reset */
  55         IOMUX_MODE(MX31_PIN_USB_PWR, IOMUX_CONFIG_GPIO),
  56         /* USB OTG */
  57         MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
  58         MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
  59         MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
  60         MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
  61         MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
  62         MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
  63         MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
  64         MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
  65         MX31_PIN_USBOTG_CLK__USBOTG_CLK,
  66         MX31_PIN_USBOTG_DIR__USBOTG_DIR,
  67         MX31_PIN_USBOTG_NXT__USBOTG_NXT,
  68         MX31_PIN_USBOTG_STP__USBOTG_STP,
  69         /*Keyboard*/
  70         MX31_PIN_KEY_ROW0_KEY_ROW0,
  71         MX31_PIN_KEY_ROW1_KEY_ROW1,
  72         MX31_PIN_KEY_ROW2_KEY_ROW2,
  73         MX31_PIN_KEY_COL0_KEY_COL0,
  74         MX31_PIN_KEY_COL1_KEY_COL1,
  75         MX31_PIN_KEY_COL2_KEY_COL2,
  76         MX31_PIN_KEY_COL3_KEY_COL3,
  77         /* USB Host 2 */
  78         IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
  79         IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
  80         IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
  81         IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
  82         IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
  83         IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
  84         IOMUX_MODE(MX31_PIN_PC_VS2, IOMUX_CONFIG_ALT1),
  85         IOMUX_MODE(MX31_PIN_PC_BVD1, IOMUX_CONFIG_ALT1),
  86         IOMUX_MODE(MX31_PIN_PC_BVD2, IOMUX_CONFIG_ALT1),
  87         IOMUX_MODE(MX31_PIN_PC_RST, IOMUX_CONFIG_ALT1),
  88         IOMUX_MODE(MX31_PIN_IOIS16, IOMUX_CONFIG_ALT1),
  89         IOMUX_MODE(MX31_PIN_PC_RW_B, IOMUX_CONFIG_ALT1),
  90         /* USB Host2 reset */
  91         IOMUX_MODE(MX31_PIN_USB_BYP, IOMUX_CONFIG_GPIO),
  92         /* I2C1 */
  93         MX31_PIN_I2C_CLK__I2C1_SCL,
  94         MX31_PIN_I2C_DAT__I2C1_SDA,
  95         /* SDHC1 */
  96         MX31_PIN_SD1_DATA3__SD1_DATA3,
  97         MX31_PIN_SD1_DATA2__SD1_DATA2,
  98         MX31_PIN_SD1_DATA1__SD1_DATA1,
  99         MX31_PIN_SD1_DATA0__SD1_DATA0,
 100         MX31_PIN_SD1_CLK__SD1_CLK,
 101         MX31_PIN_SD1_CMD__SD1_CMD,
 102         MX31_PIN_GPIO3_1__GPIO3_1, /* Card detect */
 103         MX31_PIN_GPIO3_0__GPIO3_0, /* OE */
 104         /* Framebuffer */
 105         MX31_PIN_LD0__LD0,
 106         MX31_PIN_LD1__LD1,
 107         MX31_PIN_LD2__LD2,
 108         MX31_PIN_LD3__LD3,
 109         MX31_PIN_LD4__LD4,
 110         MX31_PIN_LD5__LD5,
 111         MX31_PIN_LD6__LD6,
 112         MX31_PIN_LD7__LD7,
 113         MX31_PIN_LD8__LD8,
 114         MX31_PIN_LD9__LD9,
 115         MX31_PIN_LD10__LD10,
 116         MX31_PIN_LD11__LD11,
 117         MX31_PIN_LD12__LD12,
 118         MX31_PIN_LD13__LD13,
 119         MX31_PIN_LD14__LD14,
 120         MX31_PIN_LD15__LD15,
 121         MX31_PIN_LD16__LD16,
 122         MX31_PIN_LD17__LD17,
 123         MX31_PIN_VSYNC3__VSYNC3,
 124         MX31_PIN_HSYNC__HSYNC,
 125         MX31_PIN_FPSHIFT__FPSHIFT,
 126         MX31_PIN_CONTRAST__CONTRAST,
 127         /* SSI */
 128         MX31_PIN_STXD4__STXD4,
 129         MX31_PIN_SRXD4__SRXD4,
 130         MX31_PIN_SCK4__SCK4,
 131         MX31_PIN_SFS4__SFS4,
 132 };
 133
 134 /*
 135  * FB support
 136  */
 137 static const struct fb_videomode fb_modedb[] = {
 138         {       /* 480x640 @ 60 Hz */
 139                 .name           = "Epson-VGA",
 140                 .refresh        = 60,
 141                 .xres           = 480,
 142                 .yres           = 640,
 143                 .pixclock       = 41701,
 144                 .left_margin    = 20,
 145                 .right_margin   = 41,
 146                 .upper_margin   = 10,
 147                 .lower_margin   = 5,
 148                 .hsync_len      = 20,
 149                 .vsync_len      = 10,
 150                 .sync           = FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
 151                 .vmode          = FB_VMODE_NONINTERLACED,
 152                 .flag           = 0,
 153         },
 154 };
 155
 156 static struct mx3fb_platform_data mx3fb_pdata __initdata = {
 157         .name           = "Epson-VGA",
 158         .mode           = fb_modedb,
 159         .num_modes      = ARRAY_SIZE(fb_modedb),
 160 };
 161
 162 /* LCD */
 163 static struct l4f00242t03_pdata mx31_3ds_l4f00242t03_pdata = {
 164         .reset_gpio             = IOMUX_TO_GPIO(MX31_PIN_LCS1),
 165         .data_enable_gpio       = IOMUX_TO_GPIO(MX31_PIN_SER_RS),
 166 };
 167
 168 /*
 169  * Support for SD card slot in personality board
 170  */
 171 #define MX31_3DS_GPIO_SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)
 172 #define MX31_3DS_GPIO_SDHC1_BE IOMUX_TO_GPIO(MX31_PIN_GPIO3_0)
 173
 174 static struct gpio mx31_3ds_sdhc1_gpios[] = {
 175         { MX31_3DS_GPIO_SDHC1_CD, GPIOF_IN, "sdhc1-card-detect" },
 176         { MX31_3DS_GPIO_SDHC1_BE, GPIOF_OUT_INIT_LOW, "sdhc1-bus-en" },
 177 };
 178
 179 static int mx31_3ds_sdhc1_init(struct device *dev,
 180                                irq_handler_t detect_irq,
 181                                void *data)
 182 {
 183         int ret;
 184
 185         ret = gpio_request_array(mx31_3ds_sdhc1_gpios,
 186                                  ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
 187         if (ret) {
 188                 pr_warn("Unable to request the SD/MMC GPIOs.\n");
 189                 return ret;
 190         }
 191
 192         ret = request_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)),
 193                           detect_irq,
 194                           IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
 195                           "sdhc1-detect", data);
 196         if (ret) {
 197                 pr_warn("Unable to request the SD/MMC card-detect IRQ.\n");
 198                 goto gpio_free;
 199         }
 200
 201         return 0;
 202
 203 gpio_free:
 204         gpio_free_array(mx31_3ds_sdhc1_gpios,
 205                         ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
 206         return ret;
 207 }
 208
 209 static void mx31_3ds_sdhc1_exit(struct device *dev, void *data)
 210 {
 211         free_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)), data);
 212         gpio_free_array(mx31_3ds_sdhc1_gpios,
 213                          ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
 214 }
 215
 216 static void mx31_3ds_sdhc1_setpower(struct device *dev, unsigned int vdd)
 217 {
 218         /*
 219          * While the voltage stuff is done by the driver, activate the
 220          * Buffer Enable Pin only if there is a card in slot to fix the card
 221          * voltage issue caused by bi-directional chip TXB0108 on 3Stack.
 222          * Done here because at this stage we have for sure a debounced value
 223          * of the presence of the card, showed by the value of vdd.
 224          * 7 == ilog2(MMC_VDD_165_195)
 225          */
 226         if (vdd > 7)
 227                 gpio_set_value(MX31_3DS_GPIO_SDHC1_BE, 1);
 228         else
 229                 gpio_set_value(MX31_3DS_GPIO_SDHC1_BE, 0);
 230 }
 231
 232 static struct imxmmc_platform_data sdhc1_pdata = {
 233         .init           = mx31_3ds_sdhc1_init,
 234         .exit           = mx31_3ds_sdhc1_exit,
 235         .setpower       = mx31_3ds_sdhc1_setpower,
 236 };
 237
 238 /*
 239  * Matrix keyboard
 240  */
 241
 242 static const uint32_t mx31_3ds_keymap[] = {
 243         KEY(0, 0, KEY_UP),
 244         KEY(0, 1, KEY_DOWN),
 245         KEY(1, 0, KEY_RIGHT),
 246         KEY(1, 1, KEY_LEFT),
 247         KEY(1, 2, KEY_ENTER),
 248         KEY(2, 0, KEY_F6),
 249         KEY(2, 1, KEY_F8),
 250         KEY(2, 2, KEY_F9),
 251         KEY(2, 3, KEY_F10),
 252 };
 253
 254 static const struct matrix_keymap_data mx31_3ds_keymap_data __initconst = {
 255         .keymap         = mx31_3ds_keymap,
 256         .keymap_size    = ARRAY_SIZE(mx31_3ds_keymap),
 257 };
 258
 259 /* Regulators */
 260 static struct regulator_init_data pwgtx_init = {
 261         .constraints = {
 262                 .boot_on        = 1,
 263                 .always_on      = 1,
 264         },
 265 };
 266
 267 static struct regulator_init_data gpo_init = {
 268         .constraints = {
 269                 .boot_on = 1,
 270                 .always_on = 1,
 271         }
 272 };
 273
 274 static struct regulator_consumer_supply vmmc2_consumers[] = {
 275         REGULATOR_SUPPLY("vmmc", "imx31-mmc.0"),
 276 };
 277
 278 static struct regulator_init_data vmmc2_init = {
 279         .constraints = {
 280                 .min_uV = 3000000,
 281                 .max_uV = 3000000,
 282                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 283                                   REGULATOR_CHANGE_STATUS,
 284         },
 285         .num_consumer_supplies = ARRAY_SIZE(vmmc2_consumers),
 286         .consumer_supplies = vmmc2_consumers,
 287 };
 288
 289 static struct regulator_consumer_supply vmmc1_consumers[] = {
 290         REGULATOR_SUPPLY("vcore", "spi0.0"),
 291 };
 292
 293 static struct regulator_init_data vmmc1_init = {
 294         .constraints = {
 295                 .min_uV = 2800000,
 296                 .max_uV = 2800000,
 297                 .apply_uV = 1,
 298                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 299                                   REGULATOR_CHANGE_STATUS,
 300         },
 301         .num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers),
 302         .consumer_supplies = vmmc1_consumers,
 303 };
 304
 305 static struct regulator_consumer_supply vgen_consumers[] = {
 306         REGULATOR_SUPPLY("vdd", "spi0.0"),
 307 };
 308
 309 static struct regulator_init_data vgen_init = {
 310         .constraints = {
 311                 .min_uV = 1800000,
 312                 .max_uV = 1800000,
 313                 .apply_uV = 1,
 314                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 315                                   REGULATOR_CHANGE_STATUS,
 316         },
 317         .num_consumer_supplies = ARRAY_SIZE(vgen_consumers),
 318         .consumer_supplies = vgen_consumers,
 319 };
 320
 321 static struct mc13xxx_regulator_init_data mx31_3ds_regulators[] = {
 322         {
 323                 .id = MC13783_REG_PWGT1SPI, /* Power Gate for ARM core. */
 324                 .init_data = &pwgtx_init,
 325         }, {
 326                 .id = MC13783_REG_PWGT2SPI, /* Power Gate for L2 Cache. */
 327                 .init_data = &pwgtx_init,
 328         }, {
 329
 330                 .id = MC13783_REG_GPO1, /* Turn on 1.8V */
 331                 .init_data = &gpo_init,
 332         }, {
 333                 .id = MC13783_REG_GPO3, /* Turn on 3.3V */
 334                 .init_data = &gpo_init,
 335         }, {
 336                 .id = MC13783_REG_VMMC2, /* Power MMC/SD, WiFi/Bluetooth. */
 337                 .init_data = &vmmc2_init,
 338         }, {
 339                 .id = MC13783_REG_VMMC1, /* Power LCD, CMOS, FM, GPS, Accel. */
 340                 .init_data = &vmmc1_init,
 341         }, {
 342                 .id = MC13783_REG_VGEN,  /* Power LCD */
 343                 .init_data = &vgen_init,
 344         },
 345 };
 346
 347 /* MC13783 */
 348 static struct mc13xxx_codec_platform_data mx31_3ds_codec = {
 349         .dac_ssi_port = MC13783_SSI1_PORT,
 350         .adc_ssi_port = MC13783_SSI1_PORT,
 351 };
 352
 353 static struct mc13xxx_platform_data mc13783_pdata = {
 354         .regulators = {
 355                 .regulators = mx31_3ds_regulators,
 356                 .num_regulators = ARRAY_SIZE(mx31_3ds_regulators),
 357         },
 358         .codec = &mx31_3ds_codec,
 359         .flags  = MC13XXX_USE_TOUCHSCREEN | MC13XXX_USE_RTC | MC13XXX_USE_CODEC,
 360
 361 };
 362
 363 static struct imx_ssi_platform_data mx31_3ds_ssi_pdata = {
 364         .flags = IMX_SSI_DMA | IMX_SSI_NET,
 365 };
 366
 367 /* SPI */
 368 static const struct spi_imx_master spi0_pdata __initconst = {
 369         .num_chipselect = 3,
 370 };
 371
 372 static const struct spi_imx_master spi1_pdata __initconst = {
 373         .num_chipselect = 3,
 374 };
 375
 376 static struct spi_board_info mx31_3ds_spi_devs[] __initdata = {
 377         {
 378                 .modalias       = "mc13783",
 379                 .max_speed_hz   = 1000000,
 380                 .bus_num        = 1,
 381                 .chip_select    = 2, /* SS2 */
 382                 .platform_data  = &mc13783_pdata,
 383                 /* irq number is run-time assigned */
 384                 .mode = SPI_CS_HIGH,
 385         }, {
 386                 .modalias       = "l4f00242t03",
 387                 .max_speed_hz   = 5000000,
 388                 .bus_num        = 0,
 389                 .chip_select    = 2, /* SS2 */
 390                 .platform_data  = &mx31_3ds_l4f00242t03_pdata,
 391         },
 392 };
 393
 394 /*
 395  * NAND Flash
 396  */
 397 static const struct mxc_nand_platform_data
 398 mx31_3ds_nand_board_info __initconst = {
 399         .width          = 1,
 400         .hw_ecc         = 1,
 401 #ifdef CONFIG_MACH_MX31_3DS_MXC_NAND_USE_BBT
 402         .flash_bbt      = 1,
 403 #endif
 404 };
 405
 406 /*
 407  * USB OTG
 408  */
 409
 410 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
 411                      PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
 412
 413 #define USBOTG_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_PWR)
 414 #define USBH2_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_BYP)
 415
 416 static int mx31_3ds_usbotg_init(void)
 417 {
 418         int err;
 419
 420         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
 421         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
 422         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
 423         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
 424         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
 425         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
 426         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
 427         mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
 428         mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
 429         mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
 430         mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
 431         mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
 432
 433         err = gpio_request(USBOTG_RST_B, "otgusb-reset");
 434         if (err) {
 435                 pr_err("Failed to request the USB OTG reset gpio\n");
 436                 return err;
 437         }
 438
 439         err = gpio_direction_output(USBOTG_RST_B, 0);
 440         if (err) {
 441                 pr_err("Failed to drive the USB OTG reset gpio\n");
 442                 goto usbotg_free_reset;
 443         }
 444
 445         mdelay(1);
 446         gpio_set_value(USBOTG_RST_B, 1);
 447         return 0;
 448
 449 usbotg_free_reset:
 450         gpio_free(USBOTG_RST_B);
 451         return err;
 452 }
 453
 454 static int mx31_3ds_otg_init(struct platform_device *pdev)
 455 {
 456         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
 457 }
 458
 459 static int mx31_3ds_host2_init(struct platform_device *pdev)
 460 {
 461         int err;
 462
 463         mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
 464         mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
 465         mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
 466         mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
 467         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
 468         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
 469         mxc_iomux_set_pad(MX31_PIN_PC_VS2, USB_PAD_CFG);
 470         mxc_iomux_set_pad(MX31_PIN_PC_BVD1, USB_PAD_CFG);
 471         mxc_iomux_set_pad(MX31_PIN_PC_BVD2, USB_PAD_CFG);
 472         mxc_iomux_set_pad(MX31_PIN_PC_RST, USB_PAD_CFG);
 473         mxc_iomux_set_pad(MX31_PIN_IOIS16, USB_PAD_CFG);
 474         mxc_iomux_set_pad(MX31_PIN_PC_RW_B, USB_PAD_CFG);
 475
 476         err = gpio_request(USBH2_RST_B, "usbh2-reset");
 477         if (err) {
 478                 pr_err("Failed to request the USB Host 2 reset gpio\n");
 479                 return err;
 480         }
 481
 482         err = gpio_direction_output(USBH2_RST_B, 0);
 483         if (err) {
 484                 pr_err("Failed to drive the USB Host 2 reset gpio\n");
 485                 goto usbotg_free_reset;
 486         }
 487
 488         mdelay(1);
 489         gpio_set_value(USBH2_RST_B, 1);
 490
 491         mdelay(10);
 492
 493         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
 494
 495 usbotg_free_reset:
 496         gpio_free(USBH2_RST_B);
 497         return err;
 498 }
 499
 500 static struct mxc_usbh_platform_data otg_pdata __initdata = {
 501         .init   = mx31_3ds_otg_init,
 502         .portsc = MXC_EHCI_MODE_ULPI,
 503 };
 504
 505 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
 506         .init = mx31_3ds_host2_init,
 507         .portsc = MXC_EHCI_MODE_ULPI,
 508 };
 509
 510 static const struct fsl_usb2_platform_data usbotg_pdata __initconst = {
 511         .operating_mode = FSL_USB2_DR_DEVICE,
 512         .phy_mode       = FSL_USB2_PHY_ULPI,
 513 };
 514
 515 static bool otg_mode_host __initdata;
 516
 517 static int __init mx31_3ds_otg_mode(char *options)
 518 {
 519         if (!strcmp(options, "host"))
 520                 otg_mode_host = true;
 521         else if (!strcmp(options, "device"))
 522                 otg_mode_host = false;
 523         else
 524                 pr_info("otg_mode neither \"host\" nor \"device\". "
 525                         "Defaulting to device\n");
 526         return 1;
 527 }
 528 __setup("otg_mode=", mx31_3ds_otg_mode);
 529
 530 static const struct imxuart_platform_data uart_pdata __initconst = {
 531         .flags = IMXUART_HAVE_RTSCTS,
 532 };
 533
 534 static const struct imxi2c_platform_data mx31_3ds_i2c0_data __initconst = {
 535         .bitrate = 100000,
 536 };
 537
 538 static void __init mx31_3ds_init(void)
 539 {
 540         imx31_soc_init();
 541
 542         /* Configure SPI1 IOMUX */
 543         mxc_iomux_set_gpr(MUX_PGP_CSPI_BB, true);
 544
 545         mxc_iomux_setup_multiple_pins(mx31_3ds_pins, ARRAY_SIZE(mx31_3ds_pins),
 546                                       "mx31_3ds");
 547
 548         imx31_add_imx_uart0(&uart_pdata);
 549         imx31_add_mxc_nand(&mx31_3ds_nand_board_info);
 550
 551         imx31_add_spi_imx1(&spi1_pdata);
 552
 553         imx31_add_imx_keypad(&mx31_3ds_keymap_data);
 554
 555         imx31_add_imx2_wdt();
 556         imx31_add_imx_i2c0(&mx31_3ds_i2c0_data);
 557
 558         imx31_add_spi_imx0(&spi0_pdata);
 559         imx31_add_ipu_core();
 560         imx31_add_mx3_sdc_fb(&mx3fb_pdata);
 561
 562         imx31_add_imx_ssi(0, &mx31_3ds_ssi_pdata);
 563
 564         imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0);
 565 }
 566
 567 static void __init mx31_3ds_late(void)
 568 {
 569         mx31_3ds_spi_devs[0].irq = gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
 570         spi_register_board_info(mx31_3ds_spi_devs,
 571                                 ARRAY_SIZE(mx31_3ds_spi_devs));
 572
 573         mx31_3ds_usbotg_init();
 574         if (otg_mode_host) {
 575                 otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 576                                 ULPI_OTG_DRVVBUS_EXT);
 577                 if (otg_pdata.otg)
 578                         imx31_add_mxc_ehci_otg(&otg_pdata);
 579         }
 580         usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 581                         ULPI_OTG_DRVVBUS_EXT);
 582         if (usbh2_pdata.otg)
 583                 imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
 584
 585         if (!otg_mode_host)
 586                 imx31_add_fsl_usb2_udc(&usbotg_pdata);
 587
 588         if (mxc_expio_init(MX31_CS5_BASE_ADDR, IOMUX_TO_GPIO(MX31_PIN_GPIO1_1)))
 589                 printk(KERN_WARNING "Init of the debug board failed, all "
 590                        "devices on the debug board are unusable.\n");
 591
 592         imx31_add_mxc_mmc(0, &sdhc1_pdata);
 593 }
 594
 595 static void __init mx31_3ds_timer_init(void)
 596 {
 597         mx31_clocks_init(26000000);
 598 }
 599
 600 MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)")
 601         /* Maintainer: Freescale Semiconductor, Inc. */
 602         .atag_offset = 0x100,
 603         .map_io = mx31_map_io,
 604         .init_early = imx31_init_early,
 605         .init_irq = mx31_init_irq,
 606         .init_time      = mx31_3ds_timer_init,
 607         .init_machine = mx31_3ds_init,
 608         .init_late      = mx31_3ds_late,
 609         .restart        = mxc_restart,
 610 MACHINE_END