64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
|
// SPDX-License-Identifier: GPL-2.0-only
|
||
|
|
/*
|
||
|
|
* 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
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/gpio.h>
|
||
|
|
#include <linux/platform_device.h>
|
||
|
|
|
||
|
|
#include "hardware.h"
|
||
|
|
#include "board-sx1.h"
|
||
|
|
#include "mmc.h"
|
||
|
|
|
||
|
|
#if IS_ENABLED(CONFIG_MMC_OMAP)
|
||
|
|
|
||
|
|
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
|