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
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 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
h3_mmc_init(void)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
h3_mmc_init(void)68 void __init h3_mmc_init(void)
69 {
70 }
71
72 #endif
73