Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6
[linux-2.6] / 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
15 #include <linux/platform_device.h>
16
17 #include <linux/i2c/tps65010.h>
18
19 #include <mach/mmc.h>
20 #include <mach/gpio.h>
21
22 #include "board-h2.h"
23
24 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
25
26 static int mmc_set_power(struct device *dev, int slot, int power_on,
27                                 int vdd)
28 {
29         if (power_on)
30                 gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 1);
31         else
32                 gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0);
33
34         return 0;
35 }
36
37 static int mmc_late_init(struct device *dev)
38 {
39         int ret;
40
41         ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power");
42         if (ret < 0)
43                 return ret;
44
45         gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0);
46
47         return ret;
48 }
49
50 static void mmc_shutdown(struct device *dev)
51 {
52         gpio_free(H2_TPS_GPIO_MMC_PWR_EN);
53 }
54
55 /*
56  * H2 could use the following functions tested:
57  * - mmc_get_cover_state that uses OMAP_MPUIO(1)
58  * - mmc_get_wp that uses OMAP_MPUIO(3)
59  */
60 static struct omap_mmc_platform_data mmc1_data = {
61         .nr_slots                       = 1,
62         .init                           = mmc_late_init,
63         .shutdown                       = mmc_shutdown,
64         .dma_mask                       = 0xffffffff,
65         .slots[0]       = {
66                 .set_power              = mmc_set_power,
67                 .ocr_mask               = MMC_VDD_28_29 | MMC_VDD_30_31 |
68                                           MMC_VDD_32_33 | MMC_VDD_33_34,
69                 .name                   = "mmcblk",
70         },
71 };
72
73 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
74
75 void __init h2_mmc_init(void)
76 {
77         mmc_data[0] = &mmc1_data;
78         omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC);
79 }
80
81 #else
82
83 void __init h2_mmc_init(void)
84 {
85 }
86
87 #endif