1 /*
2  * linux/arch/arm/mach-omap1/board-sx1-mmc.c
3  *
4  * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
5  * Author: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br>
6  *
7  * This code is based on linux/arch/arm/mach-omap1/board-h2-mmc.c, which is:
8  * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13  */
14 
15 #include <linux/gpio.h>
16 #include <linux/platform_device.h>
17 
18 #include <mach/hardware.h>
19 #include "board-sx1.h"
20 
21 #include "mmc.h"
22 
23 #if IS_ENABLED(CONFIG_MMC_OMAP)
24 
25 static int mmc_set_power(struct device *dev, int slot, int power_on,
26 				int vdd)
27 {
28 	int err;
29 	u8 dat = 0;
30 
31 	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
32 	if (err < 0)
33 		return err;
34 
35 	if (power_on)
36 		dat |= SOFIA_MMC_POWER;
37 	else
38 		dat &= ~SOFIA_MMC_POWER;
39 
40 	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
41 }
42 
43 /* Cover switch is at OMAP_MPUIO(3) */
44 static struct omap_mmc_platform_data mmc1_data = {
45 	.nr_slots                       = 1,
46 	.slots[0]       = {
47 		.set_power              = mmc_set_power,
48 		.ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
49 		.name                   = "mmcblk",
50 	},
51 };
52 
53 static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC];
54 
55 void __init sx1_mmc_init(void)
56 {
57 	mmc_data[0] = &mmc1_data;
58 	omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
59 }
60 
61 #else
62 
63 void __init sx1_mmc_init(void)
64 {
65 }
66 
67 #endif
68