board-sx1-mmc.c
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/*
* linux/arch/arm/mach-omap1/board-sx1-mmc.c
*
* Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
* Author: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br>
*
* This code is based on linux/arch/arm/mach-omap1/board-h2-mmc.c, which is:
* Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
*
* 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/gpio.h>
#include <linux/platform_device.h>
#include <mach/hardware.h>
#include <mach/board-sx1.h>
#include "mmc.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)
{
int err;
u8 dat = 0;
err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
if (err < 0)
return err;
if (power_on)
dat |= SOFIA_MMC_POWER;
else
dat &= ~SOFIA_MMC_POWER;
return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
}
/* Cover switch is at OMAP_MPUIO(3) */
static struct omap_mmc_platform_data mmc1_data = {
.nr_slots = 1,
.slots[0] = {
.set_power = mmc_set_power,
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
.name = "mmcblk",
},
};
static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC];
void __init sx1_mmc_init(void)
{
mmc_data[0] = &mmc1_data;
omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
}
#else
void __init sx1_mmc_init(void)
{
}
#endif