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

source code of linux/arch/arm/mach-omap1/board-sx1-mmc.c