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138ab9f8 FB |
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 | */ | |
2f8163ba | 14 | #include <linux/gpio.h> |
d8874665 | 15 | #include <linux/platform_device.h> |
68f39e74 | 16 | #include <linux/platform_data/gpio-omap.h> |
d8874665 TL |
17 | #include <linux/i2c/tps65010.h> |
18 | ||
eb6b0b18 | 19 | #include "board-h2.h" |
68f39e74 | 20 | #include "mmc.h" |
eb6b0b18 | 21 | |
d8874665 TL |
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 | { | |
6a326075 | 27 | gpio_set_value(H2_TPS_GPIO_MMC_PWR_EN, power_on); |
d8874665 TL |
28 | return 0; |
29 | } | |
30 | ||
31 | static int mmc_late_init(struct device *dev) | |
32 | { | |
6a326075 | 33 | int ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power"); |
d8874665 TL |
34 | if (ret < 0) |
35 | return ret; | |
36 | ||
37 | gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0); | |
38 | ||
39 | return ret; | |
40 | } | |
41 | ||
6a326075 | 42 | static void mmc_cleanup(struct device *dev) |
d8874665 TL |
43 | { |
44 | gpio_free(H2_TPS_GPIO_MMC_PWR_EN); | |
45 | } | |
46 | ||
47 | /* | |
48 | * H2 could use the following functions tested: | |
49 | * - mmc_get_cover_state that uses OMAP_MPUIO(1) | |
50 | * - mmc_get_wp that uses OMAP_MPUIO(3) | |
51 | */ | |
52 | static struct omap_mmc_platform_data mmc1_data = { | |
53 | .nr_slots = 1, | |
54 | .init = mmc_late_init, | |
6a326075 | 55 | .cleanup = mmc_cleanup, |
d8874665 TL |
56 | .slots[0] = { |
57 | .set_power = mmc_set_power, | |
2a12400e | 58 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
d8874665 TL |
59 | .name = "mmcblk", |
60 | }, | |
61 | }; | |
62 | ||
63 | static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC]; | |
64 | ||
138ab9f8 FB |
65 | void __init h2_mmc_init(void) |
66 | { | |
d8874665 TL |
67 | mmc_data[0] = &mmc1_data; |
68 | omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC); | |
138ab9f8 FB |
69 | } |
70 | ||
d8874665 TL |
71 | #else |
72 | ||
73 | void __init h2_mmc_init(void) | |
138ab9f8 FB |
74 | { |
75 | } | |
d8874665 TL |
76 | |
77 | #endif |