1d2912cb1SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
2087c5030SCarlos Eduardo Aguiar /*
3087c5030SCarlos Eduardo Aguiar * linux/arch/arm/mach-omap1/board-sx1-mmc.c
4087c5030SCarlos Eduardo Aguiar *
5087c5030SCarlos Eduardo Aguiar * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
6087c5030SCarlos Eduardo Aguiar * Author: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br>
7087c5030SCarlos Eduardo Aguiar *
8087c5030SCarlos Eduardo Aguiar * This code is based on linux/arch/arm/mach-omap1/board-h2-mmc.c, which is:
9087c5030SCarlos Eduardo Aguiar * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
10087c5030SCarlos Eduardo Aguiar */
11087c5030SCarlos Eduardo Aguiar
12d8874665STony Lindgren #include <linux/platform_device.h>
13d8874665STony Lindgren
14*7e0a9e62SArnd Bergmann #include "hardware.h"
15100f9638SArnd Bergmann #include "board-sx1.h"
1668f39e74STony Lindgren #include "mmc.h"
1768f39e74STony Lindgren
18fcebddb9SJavier Martinez Canillas #if IS_ENABLED(CONFIG_MMC_OMAP)
19087c5030SCarlos Eduardo Aguiar
mmc_set_power(struct device * dev,int slot,int power_on,int vdd)20d8874665STony Lindgren static int mmc_set_power(struct device *dev, int slot, int power_on,
21087c5030SCarlos Eduardo Aguiar int vdd)
22087c5030SCarlos Eduardo Aguiar {
23087c5030SCarlos Eduardo Aguiar int err;
24087c5030SCarlos Eduardo Aguiar u8 dat = 0;
25087c5030SCarlos Eduardo Aguiar
26087c5030SCarlos Eduardo Aguiar err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
27087c5030SCarlos Eduardo Aguiar if (err < 0)
28087c5030SCarlos Eduardo Aguiar return err;
29087c5030SCarlos Eduardo Aguiar
30087c5030SCarlos Eduardo Aguiar if (power_on)
31087c5030SCarlos Eduardo Aguiar dat |= SOFIA_MMC_POWER;
32087c5030SCarlos Eduardo Aguiar else
33087c5030SCarlos Eduardo Aguiar dat &= ~SOFIA_MMC_POWER;
34087c5030SCarlos Eduardo Aguiar
35087c5030SCarlos Eduardo Aguiar return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
36087c5030SCarlos Eduardo Aguiar }
37087c5030SCarlos Eduardo Aguiar
38d8874665STony Lindgren /* Cover switch is at OMAP_MPUIO(3) */
39d8874665STony Lindgren static struct omap_mmc_platform_data mmc1_data = {
40087c5030SCarlos Eduardo Aguiar .nr_slots = 1,
41087c5030SCarlos Eduardo Aguiar .slots[0] = {
42d8874665STony Lindgren .set_power = mmc_set_power,
432a12400eSTony Lindgren .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
44087c5030SCarlos Eduardo Aguiar .name = "mmcblk",
45087c5030SCarlos Eduardo Aguiar },
46087c5030SCarlos Eduardo Aguiar };
47087c5030SCarlos Eduardo Aguiar
48d8874665STony Lindgren static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC];
49d8874665STony Lindgren
sx1_mmc_init(void)50087c5030SCarlos Eduardo Aguiar void __init sx1_mmc_init(void)
51087c5030SCarlos Eduardo Aguiar {
52d8874665STony Lindgren mmc_data[0] = &mmc1_data;
53d8874665STony Lindgren omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
54087c5030SCarlos Eduardo Aguiar }
55087c5030SCarlos Eduardo Aguiar
56087c5030SCarlos Eduardo Aguiar #else
57087c5030SCarlos Eduardo Aguiar
sx1_mmc_init(void)58087c5030SCarlos Eduardo Aguiar void __init sx1_mmc_init(void)
59087c5030SCarlos Eduardo Aguiar {
60087c5030SCarlos Eduardo Aguiar }
61087c5030SCarlos Eduardo Aguiar
62087c5030SCarlos Eduardo Aguiar #endif
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