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
20 static 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) */
39 static 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
48 static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC];
49
50 void __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
58 void __init sx1_mmc_init(void)
59 {
60 }
61
62 #endif
63
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