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Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -04001/*
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
Russell King2f8163b2011-07-26 10:53:52 +010015#include <linux/gpio.h>
Tony Lindgrend8874662008-12-10 17:37:16 -080016#include <linux/platform_device.h>
17
Russell Kinga09e64f2008-08-05 16:14:15 +010018#include <mach/hardware.h>
Tony Lindgrenc392b212012-09-20 11:41:22 -070019#include <mach/board-sx1.h>
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040020
Tony Lindgren68f39e72012-10-15 12:09:43 -070021#include "mmc.h"
22
Tony Lindgrend8874662008-12-10 17:37:16 -080023#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040024
Tony Lindgrend8874662008-12-10 17:37:16 -080025static int mmc_set_power(struct device *dev, int slot, int power_on,
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040026 int vdd)
27{
28 int err;
29 u8 dat = 0;
30
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040031 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
Tony Lindgrend8874662008-12-10 17:37:16 -080043/* Cover switch is at OMAP_MPUIO(3) */
44static struct omap_mmc_platform_data mmc1_data = {
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040045 .nr_slots = 1,
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040046 .slots[0] = {
Tony Lindgrend8874662008-12-10 17:37:16 -080047 .set_power = mmc_set_power,
Tony Lindgren2a124002010-10-12 16:07:51 -070048 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040049 .name = "mmcblk",
50 },
51};
52
Tony Lindgrend8874662008-12-10 17:37:16 -080053static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC];
54
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040055void __init sx1_mmc_init(void)
56{
Tony Lindgrend8874662008-12-10 17:37:16 -080057 mmc_data[0] = &mmc1_data;
58 omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040059}
60
61#else
62
63void __init sx1_mmc_init(void)
64{
65}
66
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040067#endif