summaryrefslogtreecommitdiff
path: root/arch/arm/mach-tegra/board-whistler-sdhci.c
blob: aaa3dece86e89e9610237a944e670a652fa0cca2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*
 * arch/arm/mach-tegra/board-harmony-sdhci.c
 *
 * Copyright (C) 2010 Google, Inc.
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

#include <linux/resource.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/gpio.h>

#include <asm/mach-types.h>
#include <mach/irqs.h>
#include <mach/iomap.h>
#include <mach/sdhci.h>

#include "gpio-names.h"
#include "board.h"

#define WHISTLER_EXT_SDCARD_DETECT	TEGRA_GPIO_PI5

static struct resource sdhci_resource0[] = {
	[0] = {
		.start  = INT_SDMMC1,
		.end    = INT_SDMMC1,
		.flags  = IORESOURCE_IRQ,
	},
	[1] = {
		.start	= TEGRA_SDMMC1_BASE,
		.end	= TEGRA_SDMMC1_BASE + TEGRA_SDMMC1_SIZE-1,
		.flags	= IORESOURCE_MEM,
	},
};

static struct resource sdhci_resource2[] = {
	[0] = {
		.start  = INT_SDMMC3,
		.end    = INT_SDMMC3,
		.flags  = IORESOURCE_IRQ,
	},
	[1] = {
		.start	= TEGRA_SDMMC3_BASE,
		.end	= TEGRA_SDMMC3_BASE + TEGRA_SDMMC3_SIZE-1,
		.flags	= IORESOURCE_MEM,
	},
};

static struct resource sdhci_resource3[] = {
	[0] = {
		.start  = INT_SDMMC4,
		.end    = INT_SDMMC4,
		.flags  = IORESOURCE_IRQ,
	},
	[1] = {
		.start	= TEGRA_SDMMC4_BASE,
		.end	= TEGRA_SDMMC4_BASE + TEGRA_SDMMC4_SIZE-1,
		.flags	= IORESOURCE_MEM,
	},
};

static struct tegra_sdhci_platform_data tegra_sdhci_platform_data0 = {
	.cd_gpio = -1,
	.wp_gpio = -1,
	.power_gpio = -1,
};

static struct tegra_sdhci_platform_data tegra_sdhci_platform_data2 = {
	.cd_gpio = WHISTLER_EXT_SDCARD_DETECT,
	.wp_gpio = -1,
	.power_gpio = -1,
};

static struct tegra_sdhci_platform_data tegra_sdhci_platform_data3 = {
	.cd_gpio = -1,
	.wp_gpio = -1,
	.power_gpio = -1,
};

static struct platform_device tegra_sdhci_device0 = {
	.name		= "sdhci-tegra",
	.id		= 0,
	.resource	= sdhci_resource0,
	.num_resources	= ARRAY_SIZE(sdhci_resource0),
	.dev = {
		.platform_data = &tegra_sdhci_platform_data0,
	},
};

static struct platform_device tegra_sdhci_device2 = {
	.name		= "sdhci-tegra",
	.id		= 2,
	.resource	= sdhci_resource2,
	.num_resources	= ARRAY_SIZE(sdhci_resource2),
	.dev = {
		.platform_data = &tegra_sdhci_platform_data2,
	},
};

static struct platform_device tegra_sdhci_device3 = {
	.name		= "sdhci-tegra",
	.id		= 3,
	.resource	= sdhci_resource3,
	.num_resources	= ARRAY_SIZE(sdhci_resource3),
	.dev = {
		.platform_data = &tegra_sdhci_platform_data3,
	},
};

int __init whistler_sdhci_init(void)
{
	int ret;

	tegra_gpio_enable(WHISTLER_EXT_SDCARD_DETECT);

	platform_device_register(&tegra_sdhci_device3);
	platform_device_register(&tegra_sdhci_device2);
	platform_device_register(&tegra_sdhci_device0);

	return 0;
}