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