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