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/gpio.h>
13 #include <linux/platform_device.h>
14 
15 #include <mach/hardware.h>
16 #include "board-sx1.h"
17 
18 #include "mmc.h"
19 
20 #if IS_ENABLED(CONFIG_MMC_OMAP)
21 
22 static int mmc_set_power(struct device *dev, int slot, int power_on,
23 				int vdd)
24 {
25 	int err;
26 	u8 dat = 0;
27 
28 	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
29 	if (err < 0)
30 		return err;
31 
32 	if (power_on)
33 		dat |= SOFIA_MMC_POWER;
34 	else
35 		dat &= ~SOFIA_MMC_POWER;
36 
37 	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
38 }
39 
40 /* Cover switch is at OMAP_MPUIO(3) */
41 static struct omap_mmc_platform_data mmc1_data = {
42 	.nr_slots                       = 1,
43 	.slots[0]       = {
44 		.set_power              = mmc_set_power,
45 		.ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
46 		.name                   = "mmcblk",
47 	},
48 };
49 
50 static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC];
51 
52 void __init sx1_mmc_init(void)
53 {
54 	mmc_data[0] = &mmc1_data;
55 	omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
56 }
57 
58 #else
59 
60 void __init sx1_mmc_init(void)
61 {
62 }
63 
64 #endif
65