Merge branch 'next' of git://github.com/kernelslacker/cpufreq
[pandora-kernel.git] / arch / arm / mach-omap1 / board-h2-mmc.c
1 /*
2  * linux/arch/arm/mach-omap1/board-h2-mmc.c
3  *
4  * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
5  * Author: Felipe Balbi <felipe.lima@indt.org.br>
6  *
7  * This code is based on linux/arch/arm/mach-omap2/board-n800-mmc.c, which is:
8  * Copyright (C) 2006 Nokia Corporation
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 #include <linux/gpio.h>
15 #include <linux/platform_device.h>
16
17 #include <linux/i2c/tps65010.h>
18
19 #include <plat/mmc.h>
20
21 #include "board-h2.h"
22
23 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
24
25 static int mmc_set_power(struct device *dev, int slot, int power_on,
26                                 int vdd)
27 {
28         gpio_set_value(H2_TPS_GPIO_MMC_PWR_EN, power_on);
29         return 0;
30 }
31
32 static int mmc_late_init(struct device *dev)
33 {
34         int ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power");
35         if (ret < 0)
36                 return ret;
37
38         gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0);
39
40         return ret;
41 }
42
43 static void mmc_cleanup(struct device *dev)
44 {
45         gpio_free(H2_TPS_GPIO_MMC_PWR_EN);
46 }
47
48 /*
49  * H2 could use the following functions tested:
50  * - mmc_get_cover_state that uses OMAP_MPUIO(1)
51  * - mmc_get_wp that uses OMAP_MPUIO(3)
52  */
53 static struct omap_mmc_platform_data mmc1_data = {
54         .nr_slots                       = 1,
55         .init                           = mmc_late_init,
56         .cleanup                        = mmc_cleanup,
57         .dma_mask                       = 0xffffffff,
58         .slots[0]       = {
59                 .set_power              = mmc_set_power,
60                 .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
61                 .name                   = "mmcblk",
62         },
63 };
64
65 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
66
67 void __init h2_mmc_init(void)
68 {
69         mmc_data[0] = &mmc1_data;
70         omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC);
71 }
72
73 #else
74
75 void __init h2_mmc_init(void)
76 {
77 }
78
79 #endif