1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * linux/arch/arm/mach-omap1/board-sx1-mmc.c
4 *
5 * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
6 * Author: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br>
7 *
8 * This code is based on linux/arch/arm/mach-omap1/board-h2-mmc.c, which is:
9 * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
10 */
11
12#include <linux/gpio.h>
13#include <linux/platform_device.h>
14
15#include <mach/hardware.h>
16#include "board-sx1.h"
17
18#include "mmc.h"
19
20#if IS_ENABLED(CONFIG_MMC_OMAP)
21
22static int mmc_set_power(struct device *dev, int slot, int power_on,
23				int vdd)
24{
25	int err;
26	u8 dat = 0;
27
28	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
29	if (err < 0)
30		return err;
31
32	if (power_on)
33		dat |= SOFIA_MMC_POWER;
34	else
35		dat &= ~SOFIA_MMC_POWER;
36
37	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
38}
39
40/* Cover switch is at OMAP_MPUIO(3) */
41static struct omap_mmc_platform_data mmc1_data = {
42	.nr_slots                       = 1,
43	.slots[0]       = {
44		.set_power              = mmc_set_power,
45		.ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
46		.name                   = "mmcblk",
47	},
48};
49
50static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC];
51
52void __init sx1_mmc_init(void)
53{
54	mmc_data[0] = &mmc1_data;
55	omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
56}
57
58#else
59
60void __init sx1_mmc_init(void)
61{
62}
63
64#endif
65