Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy...
[linux-2.6] / arch / arm / mach-omap1 / board-sx1-mmc.c
1 /*
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
15 #include <linux/platform_device.h>
16
17 #include <mach/hardware.h>
18 #include <mach/mmc.h>
19 #include <mach/gpio.h>
20 #include <mach/board-sx1.h>
21
22 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
23
24 static int mmc_set_power(struct device *dev, int slot, int power_on,
25                                 int vdd)
26 {
27         int err;
28         u8 dat = 0;
29
30         err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
31         if (err < 0)
32                 return err;
33
34         if (power_on)
35                 dat |= SOFIA_MMC_POWER;
36         else
37                 dat &= ~SOFIA_MMC_POWER;
38
39         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
40 }
41
42 /* Cover switch is at OMAP_MPUIO(3) */
43 static struct omap_mmc_platform_data mmc1_data = {
44         .nr_slots                       = 1,
45         .slots[0]       = {
46                 .set_power              = mmc_set_power,
47                 .ocr_mask               = MMC_VDD_28_29 | MMC_VDD_30_31 |
48                                           MMC_VDD_32_33 | MMC_VDD_33_34,
49                 .name                   = "mmcblk",
50         },
51 };
52
53 static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC];
54
55 void __init sx1_mmc_init(void)
56 {
57         mmc_data[0] = &mmc1_data;
58         omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
59 }
60
61 #else
62
63 void __init sx1_mmc_init(void)
64 {
65 }
66
67 #endif