linux/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
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   1/*
   2 * mach-imx27_visstrim_m10.c
   3 *
   4 * Copyright 2010  Javier Martin <javier.martin@vista-silicon.com>
   5 *
   6 * Based on mach-pcm038.c, mach-pca100.c, mach-mx27ads.c and others.
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License as published by
  10 * the Free Software Foundation; either version 2 of the License, or
  11 * (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, write to the Free Software
  20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  21 * MA 02110-1301, USA.
  22 */
  23
  24#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  25
  26#include <linux/platform_device.h>
  27#include <linux/mtd/physmap.h>
  28#include <linux/i2c.h>
  29#include <linux/platform_data/pca953x.h>
  30#include <linux/input.h>
  31#include <linux/gpio.h>
  32#include <linux/delay.h>
  33#include <linux/dma-mapping.h>
  34#include <linux/leds.h>
  35#include <linux/platform_data/asoc-mx27vis.h>
  36#include <media/soc_camera.h>
  37#include <sound/tlv320aic32x4.h>
  38#include <asm/mach-types.h>
  39#include <asm/mach/arch.h>
  40#include <asm/mach/time.h>
  41#include <asm/system_info.h>
  42#include <asm/memblock.h>
  43
  44#include "common.h"
  45#include "devices-imx27.h"
  46#include "ehci.h"
  47#include "hardware.h"
  48#include "iomux-mx27.h"
  49
  50#define TVP5150_RSTN (GPIO_PORTC + 18)
  51#define TVP5150_PWDN (GPIO_PORTC + 19)
  52#define OTG_PHY_CS_GPIO (GPIO_PORTF + 17)
  53#define SDHC1_IRQ_GPIO IMX_GPIO_NR(2, 25)
  54
  55#define VERSION_MASK            0x7
  56#define MOTHERBOARD_SHIFT       4
  57#define EXPBOARD_SHIFT          0
  58
  59#define MOTHERBOARD_BIT2        (GPIO_PORTD + 31)
  60#define MOTHERBOARD_BIT1        (GPIO_PORTD + 30)
  61#define MOTHERBOARD_BIT0        (GPIO_PORTD + 29)
  62
  63#define EXPBOARD_BIT2           (GPIO_PORTD + 25)
  64#define EXPBOARD_BIT1           (GPIO_PORTD + 27)
  65#define EXPBOARD_BIT0           (GPIO_PORTD + 28)
  66
  67#define AMP_GAIN_0              (GPIO_PORTF + 9)
  68#define AMP_GAIN_1              (GPIO_PORTF + 8)
  69#define AMP_MUTE_SDL            (GPIO_PORTE + 5)
  70#define AMP_MUTE_SDR            (GPIO_PORTF + 7)
  71
  72static const int visstrim_m10_pins[] __initconst = {
  73        /* UART1 (console) */
  74        PE12_PF_UART1_TXD,
  75        PE13_PF_UART1_RXD,
  76        PE14_PF_UART1_CTS,
  77        PE15_PF_UART1_RTS,
  78        /* FEC */
  79        PD0_AIN_FEC_TXD0,
  80        PD1_AIN_FEC_TXD1,
  81        PD2_AIN_FEC_TXD2,
  82        PD3_AIN_FEC_TXD3,
  83        PD4_AOUT_FEC_RX_ER,
  84        PD5_AOUT_FEC_RXD1,
  85        PD6_AOUT_FEC_RXD2,
  86        PD7_AOUT_FEC_RXD3,
  87        PD8_AF_FEC_MDIO,
  88        PD9_AIN_FEC_MDC,
  89        PD10_AOUT_FEC_CRS,
  90        PD11_AOUT_FEC_TX_CLK,
  91        PD12_AOUT_FEC_RXD0,
  92        PD13_AOUT_FEC_RX_DV,
  93        PD14_AOUT_FEC_RX_CLK,
  94        PD15_AOUT_FEC_COL,
  95        PD16_AIN_FEC_TX_ER,
  96        PF23_AIN_FEC_TX_EN,
  97        /* SSI1 */
  98        PC20_PF_SSI1_FS,
  99        PC21_PF_SSI1_RXD,
 100        PC22_PF_SSI1_TXD,
 101        PC23_PF_SSI1_CLK,
 102        /* SDHC1 */
 103        PE18_PF_SD1_D0,
 104        PE19_PF_SD1_D1,
 105        PE20_PF_SD1_D2,
 106        PE21_PF_SD1_D3,
 107        PE22_PF_SD1_CMD,
 108        PE23_PF_SD1_CLK,
 109        /* Both I2Cs */
 110        PD17_PF_I2C_DATA,
 111        PD18_PF_I2C_CLK,
 112        PC5_PF_I2C2_SDA,
 113        PC6_PF_I2C2_SCL,
 114        /* USB OTG */
 115        OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
 116        PC9_PF_USBOTG_DATA0,
 117        PC11_PF_USBOTG_DATA1,
 118        PC10_PF_USBOTG_DATA2,
 119        PC13_PF_USBOTG_DATA3,
 120        PC12_PF_USBOTG_DATA4,
 121        PC7_PF_USBOTG_DATA5,
 122        PC8_PF_USBOTG_DATA6,
 123        PE25_PF_USBOTG_DATA7,
 124        PE24_PF_USBOTG_CLK,
 125        PE2_PF_USBOTG_DIR,
 126        PE0_PF_USBOTG_NXT,
 127        PE1_PF_USBOTG_STP,
 128        PB23_PF_USB_PWR,
 129        PB24_PF_USB_OC,
 130        /* CSI */
 131        TVP5150_RSTN | GPIO_GPIO | GPIO_OUT,
 132        TVP5150_PWDN | GPIO_GPIO | GPIO_OUT,
 133        PB10_PF_CSI_D0,
 134        PB11_PF_CSI_D1,
 135        PB12_PF_CSI_D2,
 136        PB13_PF_CSI_D3,
 137        PB14_PF_CSI_D4,
 138        PB15_PF_CSI_MCLK,
 139        PB16_PF_CSI_PIXCLK,
 140        PB17_PF_CSI_D5,
 141        PB18_PF_CSI_D6,
 142        PB19_PF_CSI_D7,
 143        PB20_PF_CSI_VSYNC,
 144        PB21_PF_CSI_HSYNC,
 145        /* mother board version */
 146        MOTHERBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
 147        MOTHERBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
 148        MOTHERBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
 149        /* expansion board version */
 150        EXPBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
 151        EXPBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
 152        EXPBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
 153        /* Audio AMP control */
 154        AMP_GAIN_0 | GPIO_GPIO | GPIO_OUT,
 155        AMP_GAIN_1 | GPIO_GPIO | GPIO_OUT,
 156        AMP_MUTE_SDL | GPIO_GPIO | GPIO_OUT,
 157        AMP_MUTE_SDR | GPIO_GPIO | GPIO_OUT,
 158};
 159
 160static struct gpio visstrim_m10_version_gpios[] = {
 161        { EXPBOARD_BIT0, GPIOF_IN, "exp-version-0" },
 162        { EXPBOARD_BIT1, GPIOF_IN, "exp-version-1" },
 163        { EXPBOARD_BIT2, GPIOF_IN, "exp-version-2" },
 164        { MOTHERBOARD_BIT0, GPIOF_IN, "mother-version-0" },
 165        { MOTHERBOARD_BIT1, GPIOF_IN, "mother-version-1" },
 166        { MOTHERBOARD_BIT2, GPIOF_IN, "mother-version-2" },
 167};
 168
 169static const struct gpio visstrim_m10_gpios[] __initconst = {
 170        {
 171                .gpio = TVP5150_RSTN,
 172                .flags = GPIOF_DIR_OUT | GPIOF_INIT_HIGH,
 173                .label = "tvp5150_rstn",
 174        },
 175        {
 176                .gpio = TVP5150_PWDN,
 177                .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
 178                .label = "tvp5150_pwdn",
 179        },
 180        {
 181                .gpio = OTG_PHY_CS_GPIO,
 182                .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
 183                .label = "usbotg_cs",
 184        },
 185        {
 186                .gpio = AMP_GAIN_0,
 187                .flags = GPIOF_DIR_OUT,
 188                .label = "amp-gain-0",
 189        },
 190        {
 191                .gpio = AMP_GAIN_1,
 192                .flags = GPIOF_DIR_OUT,
 193                .label = "amp-gain-1",
 194        },
 195        {
 196                .gpio = AMP_MUTE_SDL,
 197                .flags = GPIOF_DIR_OUT,
 198                .label = "amp-mute-sdl",
 199        },
 200        {
 201                .gpio = AMP_MUTE_SDR,
 202                .flags = GPIOF_DIR_OUT,
 203                .label = "amp-mute-sdr",
 204        },
 205};
 206
 207/* Camera */
 208static int visstrim_camera_power(struct device *dev, int on)
 209{
 210        gpio_set_value(TVP5150_PWDN, on);
 211
 212        return 0;
 213};
 214
 215static int visstrim_camera_reset(struct device *dev)
 216{
 217        gpio_set_value(TVP5150_RSTN, 0);
 218        ndelay(500);
 219        gpio_set_value(TVP5150_RSTN, 1);
 220
 221        return 0;
 222};
 223
 224static struct i2c_board_info visstrim_i2c_camera =  {
 225        I2C_BOARD_INFO("tvp5150", 0x5d),
 226};
 227
 228static struct soc_camera_link iclink_tvp5150 = {
 229        .bus_id         = 0,
 230        .board_info     = &visstrim_i2c_camera,
 231        .i2c_adapter_id = 0,
 232        .power = visstrim_camera_power,
 233        .reset = visstrim_camera_reset,
 234};
 235
 236static struct mx2_camera_platform_data visstrim_camera = {
 237        .flags = MX2_CAMERA_CCIR | MX2_CAMERA_CCIR_INTERLACE |
 238                 MX2_CAMERA_PCLK_SAMPLE_RISING,
 239        .clk = 100000,
 240};
 241
 242static phys_addr_t mx2_camera_base __initdata;
 243#define MX2_CAMERA_BUF_SIZE SZ_8M
 244
 245static void __init visstrim_analog_camera_init(void)
 246{
 247        struct platform_device *pdev;
 248        int dma;
 249
 250        gpio_set_value(TVP5150_PWDN, 1);
 251        ndelay(1);
 252        gpio_set_value(TVP5150_RSTN, 0);
 253        ndelay(500);
 254        gpio_set_value(TVP5150_RSTN, 1);
 255        ndelay(200000);
 256
 257        pdev = imx27_add_mx2_camera(&visstrim_camera);
 258        if (IS_ERR(pdev))
 259                return;
 260
 261        dma = dma_declare_coherent_memory(&pdev->dev,
 262                                mx2_camera_base, mx2_camera_base,
 263                                MX2_CAMERA_BUF_SIZE,
 264                                DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
 265        if (!(dma & DMA_MEMORY_MAP))
 266                return;
 267}
 268
 269static void __init visstrim_reserve(void)
 270{
 271        /* reserve 4 MiB for mx2-camera */
 272        mx2_camera_base = arm_memblock_steal(3 * MX2_CAMERA_BUF_SIZE,
 273                        MX2_CAMERA_BUF_SIZE);
 274}
 275
 276/* GPIOs used as events for applications */
 277static struct gpio_keys_button visstrim_gpio_keys[] = {
 278        {
 279                .type   = EV_KEY,
 280                .code   = KEY_RESTART,
 281                .gpio   = (GPIO_PORTC + 15),
 282                .desc   = "Default config",
 283                .active_low = 0,
 284                .wakeup = 1,
 285        },
 286        {
 287                .type   = EV_KEY,
 288                .code   = KEY_RECORD,
 289                .gpio   = (GPIO_PORTF + 14),
 290                .desc   = "Record",
 291                .active_low = 0,
 292                .wakeup = 1,
 293        },
 294        {
 295                .type   = EV_KEY,
 296                .code   = KEY_STOP,
 297                .gpio   = (GPIO_PORTF + 13),
 298                .desc   = "Stop",
 299                .active_low = 0,
 300                .wakeup = 1,
 301        }
 302};
 303
 304static const struct gpio_keys_platform_data
 305                visstrim_gpio_keys_platform_data __initconst = {
 306        .buttons        = visstrim_gpio_keys,
 307        .nbuttons       = ARRAY_SIZE(visstrim_gpio_keys),
 308};
 309
 310/* led */
 311static const struct gpio_led visstrim_m10_leds[] __initconst = {
 312        {
 313                .name = "visstrim:ld0",
 314                .default_trigger = "nand-disk",
 315                .gpio = (GPIO_PORTC + 29),
 316        },
 317        {
 318                .name = "visstrim:ld1",
 319                .default_trigger = "nand-disk",
 320                .gpio = (GPIO_PORTC + 24),
 321        },
 322        {
 323                .name = "visstrim:ld2",
 324                .default_trigger = "nand-disk",
 325                .gpio = (GPIO_PORTC + 28),
 326        },
 327        {
 328                .name = "visstrim:ld3",
 329                .default_trigger = "nand-disk",
 330                .gpio = (GPIO_PORTC + 25),
 331        },
 332};
 333
 334static const struct gpio_led_platform_data visstrim_m10_led_data __initconst = {
 335        .leds = visstrim_m10_leds,
 336        .num_leds = ARRAY_SIZE(visstrim_m10_leds),
 337};
 338
 339/* Visstrim_SM10 has a microSD slot connected to sdhc1 */
 340static int visstrim_m10_sdhc1_init(struct device *dev,
 341                irq_handler_t detect_irq, void *data)
 342{
 343        int ret;
 344
 345        ret = request_irq(gpio_to_irq(SDHC1_IRQ_GPIO), detect_irq,
 346                          IRQF_TRIGGER_FALLING, "mmc-detect", data);
 347        return ret;
 348}
 349
 350static void visstrim_m10_sdhc1_exit(struct device *dev, void *data)
 351{
 352        free_irq(gpio_to_irq(SDHC1_IRQ_GPIO), data);
 353}
 354
 355static const struct imxmmc_platform_data visstrim_m10_sdhc_pdata __initconst = {
 356        .init = visstrim_m10_sdhc1_init,
 357        .exit = visstrim_m10_sdhc1_exit,
 358};
 359
 360/* Visstrim_SM10 NOR flash */
 361static struct physmap_flash_data visstrim_m10_flash_data = {
 362        .width = 2,
 363};
 364
 365static struct resource visstrim_m10_flash_resource = {
 366        .start = 0xc0000000,
 367        .end = 0xc0000000 + SZ_64M - 1,
 368        .flags = IORESOURCE_MEM,
 369};
 370
 371static struct platform_device visstrim_m10_nor_mtd_device = {
 372        .name = "physmap-flash",
 373        .id = 0,
 374        .dev = {
 375                .platform_data = &visstrim_m10_flash_data,
 376        },
 377        .num_resources = 1,
 378        .resource = &visstrim_m10_flash_resource,
 379};
 380
 381static struct platform_device *platform_devices[] __initdata = {
 382        &visstrim_m10_nor_mtd_device,
 383};
 384
 385/* Visstrim_M10 uses UART0 as console */
 386static const struct imxuart_platform_data uart_pdata __initconst = {
 387        .flags = IMXUART_HAVE_RTSCTS,
 388};
 389
 390/* I2C */
 391static const struct imxi2c_platform_data visstrim_m10_i2c_data __initconst = {
 392        .bitrate = 100000,
 393};
 394
 395static struct pca953x_platform_data visstrim_m10_pca9555_pdata = {
 396        .gpio_base = 240, /* After MX27 internal GPIOs */
 397        .invert = 0,
 398};
 399
 400static struct aic32x4_pdata visstrim_m10_aic32x4_pdata = {
 401        .power_cfg = AIC32X4_PWR_MICBIAS_2075_LDOIN |
 402                     AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE |
 403                     AIC32X4_PWR_AIC32X4_LDO_ENABLE |
 404                     AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36 |
 405                     AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED,
 406        .micpga_routing = AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K |
 407                         AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K,
 408        .swapdacs = false,
 409};
 410
 411static struct i2c_board_info visstrim_m10_i2c_devices[] = {
 412        {
 413                I2C_BOARD_INFO("pca9555", 0x20),
 414                .platform_data = &visstrim_m10_pca9555_pdata,
 415        },
 416        {
 417                I2C_BOARD_INFO("tlv320aic32x4", 0x18),
 418                .platform_data = &visstrim_m10_aic32x4_pdata,
 419        },
 420        {
 421                 I2C_BOARD_INFO("m41t00", 0x68),
 422        }
 423};
 424
 425/* USB OTG */
 426static int otg_phy_init(struct platform_device *pdev)
 427{
 428        return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
 429}
 430
 431static const struct mxc_usbh_platform_data
 432visstrim_m10_usbotg_pdata __initconst = {
 433        .init = otg_phy_init,
 434        .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
 435};
 436
 437/* SSI */
 438static const struct imx_ssi_platform_data visstrim_m10_ssi_pdata __initconst = {
 439        .flags                  = IMX_SSI_DMA | IMX_SSI_SYN,
 440};
 441
 442/* coda */
 443
 444static void __init visstrim_coda_init(void)
 445{
 446        struct platform_device *pdev;
 447        int dma;
 448
 449        pdev = imx27_add_coda();
 450        dma = dma_declare_coherent_memory(&pdev->dev,
 451                                          mx2_camera_base + MX2_CAMERA_BUF_SIZE,
 452                                          mx2_camera_base + MX2_CAMERA_BUF_SIZE,
 453                                          MX2_CAMERA_BUF_SIZE,
 454                                          DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
 455        if (!(dma & DMA_MEMORY_MAP))
 456                return;
 457}
 458
 459/* DMA deinterlace */
 460static struct platform_device visstrim_deinterlace = {
 461        .name = "m2m-deinterlace",
 462        .id = 0,
 463};
 464
 465static void __init visstrim_deinterlace_init(void)
 466{
 467        int ret = -ENOMEM;
 468        struct platform_device *pdev = &visstrim_deinterlace;
 469        int dma;
 470
 471        ret = platform_device_register(pdev);
 472
 473        dma = dma_declare_coherent_memory(&pdev->dev,
 474                                          mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,
 475                                          mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,
 476                                          MX2_CAMERA_BUF_SIZE,
 477                                          DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
 478        if (!(dma & DMA_MEMORY_MAP))
 479                return;
 480}
 481
 482/* Emma-PrP for format conversion */
 483static void __init visstrim_emmaprp_init(void)
 484{
 485        struct platform_device *pdev;
 486        int dma;
 487
 488        pdev = imx27_add_mx2_emmaprp();
 489        if (IS_ERR(pdev))
 490                return;
 491
 492        /*
 493         * Use the same memory area as the analog camera since both
 494         * devices are, by nature, exclusive.
 495         */
 496        dma = dma_declare_coherent_memory(&pdev->dev,
 497                                mx2_camera_base, mx2_camera_base,
 498                                MX2_CAMERA_BUF_SIZE,
 499                                DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
 500        if (!(dma & DMA_MEMORY_MAP))
 501                pr_err("Failed to declare memory for emmaprp\n");
 502}
 503
 504/* Audio */
 505static const struct snd_mx27vis_platform_data snd_mx27vis_pdata __initconst = {
 506        .amp_gain0_gpio = AMP_GAIN_0,
 507        .amp_gain1_gpio = AMP_GAIN_1,
 508        .amp_mutel_gpio = AMP_MUTE_SDL,
 509        .amp_muter_gpio = AMP_MUTE_SDR,
 510};
 511
 512static void __init visstrim_m10_revision(void)
 513{
 514        int exp_version = 0;
 515        int mo_version = 0;
 516        int ret;
 517
 518        ret = gpio_request_array(visstrim_m10_version_gpios,
 519                                 ARRAY_SIZE(visstrim_m10_version_gpios));
 520        if (ret) {
 521                pr_err("Failed to request version gpios");
 522                return;
 523        }
 524
 525        /* Get expansion board version (negative logic) */
 526        exp_version |= !gpio_get_value(EXPBOARD_BIT2) << 2;
 527        exp_version |= !gpio_get_value(EXPBOARD_BIT1) << 1;
 528        exp_version |= !gpio_get_value(EXPBOARD_BIT0);
 529
 530        /* Get mother board version (negative logic) */
 531        mo_version |= !gpio_get_value(MOTHERBOARD_BIT2) << 2;
 532        mo_version |= !gpio_get_value(MOTHERBOARD_BIT1) << 1;
 533        mo_version |= !gpio_get_value(MOTHERBOARD_BIT0);
 534
 535        system_rev = 0x27000;
 536        system_rev |= (mo_version << MOTHERBOARD_SHIFT);
 537        system_rev |= (exp_version << EXPBOARD_SHIFT);
 538}
 539
 540static void __init visstrim_m10_board_init(void)
 541{
 542        int ret;
 543        int mo_version;
 544
 545        imx27_soc_init();
 546        visstrim_m10_revision();
 547
 548        ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins,
 549                        ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10");
 550        if (ret)
 551                pr_err("Failed to setup pins (%d)\n", ret);
 552
 553        ret = gpio_request_array(visstrim_m10_gpios,
 554                                ARRAY_SIZE(visstrim_m10_gpios));
 555        if (ret)
 556                pr_err("Failed to request gpios (%d)\n", ret);
 557
 558        imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata);
 559        imx27_add_imx_uart0(&uart_pdata);
 560
 561        imx27_add_imx_i2c(0, &visstrim_m10_i2c_data);
 562        imx27_add_imx_i2c(1, &visstrim_m10_i2c_data);
 563        i2c_register_board_info(0, visstrim_m10_i2c_devices,
 564                                ARRAY_SIZE(visstrim_m10_i2c_devices));
 565
 566        imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata);
 567        imx27_add_mxc_ehci_otg(&visstrim_m10_usbotg_pdata);
 568        imx27_add_fec(NULL);
 569        imx_add_gpio_keys(&visstrim_gpio_keys_platform_data);
 570        platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 571        imx_add_platform_device("mx27vis", 0, NULL, 0, &snd_mx27vis_pdata,
 572                                sizeof(snd_mx27vis_pdata));
 573        platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0,
 574                                      &iclink_tvp5150, sizeof(iclink_tvp5150));
 575        gpio_led_register_device(0, &visstrim_m10_led_data);
 576
 577        /* Use mother board version to decide what video devices we shall use */
 578        mo_version = (system_rev >> MOTHERBOARD_SHIFT) & VERSION_MASK;
 579        if (mo_version & 0x1) {
 580                visstrim_emmaprp_init();
 581
 582                /*
 583                 * Despite not being used, tvp5150 must be
 584                 * powered on to avoid I2C problems. To minimize
 585                 * power consupmtion keep reset enabled.
 586                 */
 587                gpio_set_value(TVP5150_PWDN, 1);
 588                ndelay(1);
 589                gpio_set_value(TVP5150_RSTN, 0);
 590        } else {
 591                visstrim_deinterlace_init();
 592                visstrim_analog_camera_init();
 593        }
 594        visstrim_coda_init();
 595}
 596
 597static void __init visstrim_m10_timer_init(void)
 598{
 599        mx27_clocks_init((unsigned long)25000000);
 600}
 601
 602MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10")
 603        .atag_offset = 0x100,
 604        .reserve = visstrim_reserve,
 605        .map_io = mx27_map_io,
 606        .init_early = imx27_init_early,
 607        .init_irq = mx27_init_irq,
 608        .init_time      = visstrim_m10_timer_init,
 609        .init_machine = visstrim_m10_board_init,
 610        .restart        = mxc_restart,
 611MACHINE_END
 612