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
|
/*
* linux/arch/arm/mach-omap1/board-h2-mmc.c
*
* Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
* Author: Felipe Balbi <felipe.lima@indt.org.br>
*
* This code is based on linux/arch/arm/mach-omap2/board-n800-mmc.c, which is:
* Copyright (C) 2006 Nokia Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/platform_device.h>
#include <linux/i2c/tps65010.h>
#include <mach/mmc.h>
#include <mach/gpio.h>
#include "board-h2.h"
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
static int mmc_set_power(struct device *dev, int slot, int power_on,
int vdd)
{
if (power_on)
gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 1);
else
gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0);
return 0;
}
static int mmc_late_init(struct device *dev)
{
int ret;
ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power");
if (ret < 0)
return ret;
gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0);
return ret;
}
static void mmc_shutdown(struct device *dev)
{
gpio_free(H2_TPS_GPIO_MMC_PWR_EN);
}
/*
* H2 could use the following functions tested:
* - mmc_get_cover_state that uses OMAP_MPUIO(1)
* - mmc_get_wp that uses OMAP_MPUIO(3)
*/
static struct omap_mmc_platform_data mmc1_data = {
.nr_slots = 1,
.init = mmc_late_init,
.shutdown = mmc_shutdown,
.dma_mask = 0xffffffff,
.slots[0] = {
.set_power = mmc_set_power,
.ocr_mask = MMC_VDD_28_29 | MMC_VDD_30_31 |
MMC_VDD_32_33 | MMC_VDD_33_34,
.name = "mmcblk",
},
};
static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
void __init h2_mmc_init(void)
{
mmc_data[0] = &mmc1_data;
omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC);
}
#else
void __init h2_mmc_init(void)
{
}
#endif
|
