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Felipe Balbi138ab9f2007-11-27 00:01:45 -04001/*
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
Tony Lindgrend8874662008-12-10 17:37:16 -080015#include <linux/platform_device.h>
16
17#include <linux/i2c/tps65010.h>
18
Russell Kinga09e64f2008-08-05 16:14:15 +010019#include <mach/mmc.h>
20#include <mach/gpio.h>
Felipe Balbi138ab9f2007-11-27 00:01:45 -040021
Tony Lindgreneb6b0b12009-03-23 18:07:33 -070022#include "board-h2.h"
23
Tony Lindgrend8874662008-12-10 17:37:16 -080024#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{
Ladislav Michl6a326072009-04-23 11:10:47 -070029 gpio_set_value(H2_TPS_GPIO_MMC_PWR_EN, power_on);
Tony Lindgrend8874662008-12-10 17:37:16 -080030 return 0;
31}
32
33static int mmc_late_init(struct device *dev)
34{
Ladislav Michl6a326072009-04-23 11:10:47 -070035 int ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power");
Tony Lindgrend8874662008-12-10 17:37:16 -080036 if (ret < 0)
37 return ret;
38
39 gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0);
40
41 return ret;
42}
43
Ladislav Michl6a326072009-04-23 11:10:47 -070044static void mmc_cleanup(struct device *dev)
Tony Lindgrend8874662008-12-10 17:37:16 -080045{
46 gpio_free(H2_TPS_GPIO_MMC_PWR_EN);
47}
48
49/*
50 * H2 could use the following functions tested:
51 * - mmc_get_cover_state that uses OMAP_MPUIO(1)
52 * - mmc_get_wp that uses OMAP_MPUIO(3)
53 */
54static struct omap_mmc_platform_data mmc1_data = {
55 .nr_slots = 1,
56 .init = mmc_late_init,
Ladislav Michl6a326072009-04-23 11:10:47 -070057 .cleanup = mmc_cleanup,
Tony Lindgrend8874662008-12-10 17:37:16 -080058 .dma_mask = 0xffffffff,
59 .slots[0] = {
60 .set_power = mmc_set_power,
61 .ocr_mask = MMC_VDD_28_29 | MMC_VDD_30_31 |
62 MMC_VDD_32_33 | MMC_VDD_33_34,
63 .name = "mmcblk",
64 },
65};
66
67static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
68
69void __init h2_mmc_init(void)
70{
71 mmc_data[0] = &mmc1_data;
72 omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC);
73}
74
75#else
76
Felipe Balbi138ab9f2007-11-27 00:01:45 -040077void __init h2_mmc_init(void)
78{
79}
80
Tony Lindgrend8874662008-12-10 17:37:16 -080081#endif