Merge branch 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-2.6] / arch / arm / mach-omap1 / board-h3-mmc.c
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 <mach/mmc.h>
20 #include <mach/gpio.h>
21
22 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
23
24 static int mmc_set_power(struct device *dev, int slot, int power_on,
25                                 int vdd)
26 {
27         if (power_on)
28                 gpio_direction_output(H3_TPS_GPIO_MMC_PWR_EN, 1);
29         else
30                 gpio_direction_output(H3_TPS_GPIO_MMC_PWR_EN, 0);
31
32         return 0;
33 }
34
35 /*
36  * H3 could use the following functions tested:
37  * - mmc_get_cover_state that uses OMAP_MPUIO(1)
38  * - mmc_get_wp that maybe uses OMAP_MPUIO(3)
39  */
40 static struct omap_mmc_platform_data mmc1_data = {
41         .nr_slots                       = 1,
42         .dma_mask                       = 0xffffffff,
43         .slots[0]       = {
44                 .set_power              = mmc_set_power,
45                 .ocr_mask               = MMC_VDD_28_29 | MMC_VDD_30_31 |
46                                           MMC_VDD_32_33 | MMC_VDD_33_34,
47                 .name                   = "mmcblk",
48         },
49 };
50
51 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
52
53 void __init h3_mmc_init(void)
54 {
55         int ret;
56
57         ret = gpio_request(H3_TPS_GPIO_MMC_PWR_EN, "MMC power");
58         if (ret < 0)
59                 return;
60         gpio_direction_output(H3_TPS_GPIO_MMC_PWR_EN, 0);
61
62         mmc_data[0] = &mmc1_data;
63         omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC);
64 }
65
66 #else
67
68 void __init h3_mmc_init(void)
69 {
70 }
71
72 #endif