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board-h2-mmc.c

/*
 * linux/arch/arm/mach-omap1/board-h2-mmc.c
 *
 * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
 * Author: Felipe Balbi <felipe.lima@indt.org.br>
 *
 * This code is based on linux/arch/arm/mach-omap2/board-n800-mmc.c, which is:
 * Copyright (C) 2006 Nokia Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/platform_device.h>

#include <linux/i2c/tps65010.h>

#include <mach/mmc.h>
#include <mach/gpio.h>

#include "board-h2.h"

#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)

static int mmc_set_power(struct device *dev, int slot, int power_on,
                        int vdd)
{
      gpio_set_value(H2_TPS_GPIO_MMC_PWR_EN, power_on);
      return 0;
}

static int mmc_late_init(struct device *dev)
{
      int ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power");
      if (ret < 0)
            return ret;

      gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0);

      return ret;
}

static void mmc_cleanup(struct device *dev)
{
      gpio_free(H2_TPS_GPIO_MMC_PWR_EN);
}

/*
 * H2 could use the following functions tested:
 * - mmc_get_cover_state that uses OMAP_MPUIO(1)
 * - mmc_get_wp that uses OMAP_MPUIO(3)
 */
static struct omap_mmc_platform_data mmc1_data = {
      .nr_slots                       = 1,
      .init                   = mmc_late_init,
      .cleanup                = mmc_cleanup,
      .dma_mask               = 0xffffffff,
      .slots[0]       = {
            .set_power              = mmc_set_power,
            .ocr_mask               = MMC_VDD_28_29 | MMC_VDD_30_31 |
                                MMC_VDD_32_33 | MMC_VDD_33_34,
            .name                   = "mmcblk",
      },
};

static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];

void __init h2_mmc_init(void)
{
      mmc_data[0] = &mmc1_data;
      omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC);
}

#else

void __init h2_mmc_init(void)
{
}

#endif

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