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 #include <linux/gpio.h>
15 #include <linux/platform_device.h>
16
17 #include <linux/i2c/tps65010.h>
18
19 #include "board-h3.h"
20 #include "mmc.h"
21
22 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
23
mmc_set_power(struct device * dev,int slot,int power_on,int vdd)24 static int mmc_set_power(struct device *dev, int slot, int power_on,
25 int vdd)
26 {
27 gpio_set_value(H3_TPS_GPIO_MMC_PWR_EN, power_on);
28 return 0;
29 }
30
31 /*
32 * H3 could use the following functions tested:
33 * - mmc_get_cover_state that uses OMAP_MPUIO(1)
34 * - mmc_get_wp that maybe uses OMAP_MPUIO(3)
35 */
36 static struct omap_mmc_platform_data mmc1_data = {
37 .nr_slots = 1,
38 .slots[0] = {
39 .set_power = mmc_set_power,
40 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
41 .name = "mmcblk",
42 },
43 };
44
45 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
46
h3_mmc_init(void)47 void __init h3_mmc_init(void)
48 {
49 int ret;
50
51 ret = gpio_request(H3_TPS_GPIO_MMC_PWR_EN, "MMC power");
52 if (ret < 0)
53 return;
54 gpio_direction_output(H3_TPS_GPIO_MMC_PWR_EN, 0);
55
56 mmc_data[0] = &mmc1_data;
57 omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC);
58 }
59
60 #else
61
h3_mmc_init(void)62 void __init h3_mmc_init(void)
63 {
64 }
65
66 #endif
67