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/platform_device.h>
13
14#include "hardware.h"
15#include "board-sx1.h"
16#include "mmc.h"
17
18#if IS_ENABLED(CONFIG_MMC_OMAP)
19
20static int mmc_set_power(struct device *dev, int slot, int power_on,
21				int vdd)
22{
23	int err;
24	u8 dat = 0;
25
26	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
27	if (err < 0)
28		return err;
29
30	if (power_on)
31		dat |= SOFIA_MMC_POWER;
32	else
33		dat &= ~SOFIA_MMC_POWER;
34
35	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
36}
37
38/* Cover switch is at OMAP_MPUIO(3) */
39static struct omap_mmc_platform_data mmc1_data = {
40	.nr_slots                       = 1,
41	.slots[0]       = {
42		.set_power              = mmc_set_power,
43		.ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
44		.name                   = "mmcblk",
45	},
46};
47
48static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC];
49
50void __init sx1_mmc_init(void)
51{
52	mmc_data[0] = &mmc1_data;
53	omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
54}
55
56#else
57
58void __init sx1_mmc_init(void)
59{
60}
61
62#endif
63