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
mmc_set_power(struct device * dev,int slot,int power_on,int vdd)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
sx1_mmc_init(void)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
sx1_mmc_init(void)60 void __init sx1_mmc_init(void)
61 {
62 }
63
64 #endif
65