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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/arm/mach-omap1/board-sx1-mmc.c
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// SPDX-License-Identifier: GPL-2.0-only

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/*

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 * linux/arch/arm/mach-omap1/board-sx1-mmc.c

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 *

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 * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT

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 * Author: Carlos Eduardo Aguiar <[email protected]>

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 *

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 * This code is based on linux/arch/arm/mach-omap1/board-h2-mmc.c, which is:

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 * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT

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 */

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#include <linux/platform_device.h>

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#include "hardware.h"

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#include "board-sx1.h"

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#include "mmc.h"

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#if IS_ENABLED(CONFIG_MMC_OMAP)

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static int mmc_set_power(struct device *dev, int slot, int power_on,

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				int vdd)

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{

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	int err;

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	u8 dat = 0;

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	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);

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	if (err < 0)

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		return err;

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	if (power_on)

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		dat |= SOFIA_MMC_POWER;

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	else

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		dat &= ~SOFIA_MMC_POWER;

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	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);

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}

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/* Cover switch is at OMAP_MPUIO(3) */

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static struct omap_mmc_platform_data mmc1_data = {

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	.nr_slots                       = 1,

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	.slots[0]       = {

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		.set_power              = mmc_set_power,

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		.ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,

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		.name                   = "mmcblk",

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	},

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};

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static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC];

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void __init sx1_mmc_init(void)

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{

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	mmc_data[0] = &mmc1_data;

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	omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);

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}

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#else

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void __init sx1_mmc_init(void)

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{

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}

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#endif

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