1 /*
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 #include <linux/gpio.h>
15 #include <linux/platform_device.h>
16
17 #include <linux/i2c/tps65010.h>
18
19 #include <plat/mmc.h>
20
21 #include "board-h2.h"
22
23 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
24
mmc_set_power(struct device * dev,int slot,int power_on,int vdd)25 static int mmc_set_power(struct device *dev, int slot, int power_on,
26 int vdd)
27 {
28 gpio_set_value(H2_TPS_GPIO_MMC_PWR_EN, power_on);
29 return 0;
30 }
31
mmc_late_init(struct device * dev)32 static int mmc_late_init(struct device *dev)
33 {
34 int ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power");
35 if (ret < 0)
36 return ret;
37
38 gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0);
39
40 return ret;
41 }
42
mmc_cleanup(struct device * dev)43 static void mmc_cleanup(struct device *dev)
44 {
45 gpio_free(H2_TPS_GPIO_MMC_PWR_EN);
46 }
47
48 /*
49 * H2 could use the following functions tested:
50 * - mmc_get_cover_state that uses OMAP_MPUIO(1)
51 * - mmc_get_wp that uses OMAP_MPUIO(3)
52 */
53 static struct omap_mmc_platform_data mmc1_data = {
54 .nr_slots = 1,
55 .init = mmc_late_init,
56 .cleanup = mmc_cleanup,
57 .dma_mask = 0xffffffff,
58 .slots[0] = {
59 .set_power = mmc_set_power,
60 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
61 .name = "mmcblk",
62 },
63 };
64
65 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
66
h2_mmc_init(void)67 void __init h2_mmc_init(void)
68 {
69 mmc_data[0] = &mmc1_data;
70 omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC);
71 }
72
73 #else
74
h2_mmc_init(void)75 void __init h2_mmc_init(void)
76 {
77 }
78
79 #endif
80