PageRenderTime 26ms CodeModel.GetById 13ms app.highlight 8ms RepoModel.GetById 1ms app.codeStats 0ms

/arch/arm/mach-omap1/board-h3-mmc.c

https://github.com/AICP/kernel_asus_grouper
C | 69 lines | 37 code | 14 blank | 18 comment | 2 complexity | f1ad35143124bd4f1319f87eb7b4b619 MD5 | raw file
 1/*
 2 * linux/arch/arm/mach-omap1/board-h3-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 <plat/mmc.h>
20#include <mach/gpio.h>
21
22#include "board-h3.h"
23
24#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
25
26static int mmc_set_power(struct device *dev, int slot, int power_on,
27				int vdd)
28{
29	gpio_set_value(H3_TPS_GPIO_MMC_PWR_EN, power_on);
30	return 0;
31}
32
33/*
34 * H3 could use the following functions tested:
35 * - mmc_get_cover_state that uses OMAP_MPUIO(1)
36 * - mmc_get_wp that maybe uses OMAP_MPUIO(3)
37 */
38static struct omap_mmc_platform_data mmc1_data = {
39	.nr_slots                       = 1,
40	.dma_mask			= 0xffffffff,
41	.slots[0]       = {
42		.set_power              = mmc_set_power,
43		.ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
44		.name                   = "mmcblk",
45	},
46};
47
48static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
49
50void __init h3_mmc_init(void)
51{
52	int ret;
53
54	ret = gpio_request(H3_TPS_GPIO_MMC_PWR_EN, "MMC power");
55	if (ret < 0)
56		return;
57	gpio_direction_output(H3_TPS_GPIO_MMC_PWR_EN, 0);
58
59	mmc_data[0] = &mmc1_data;
60	omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC);
61}
62
63#else
64
65void __init h3_mmc_init(void)
66{
67}
68
69#endif