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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> |
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15 | #include <linux/platform_device.h> |
16 | ||
17 | #include <linux/i2c/tps65010.h> | |
18 | ||
ce491cf8 | 19 | #include <plat/mmc.h> |
138ab9f8 | 20 | |
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21 | #include "board-h2.h" |
22 | ||
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23 | #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) |
24 | ||
25 | static int mmc_set_power(struct device *dev, int slot, int power_on, | |
26 | int vdd) | |
27 | { | |
6a326075 | 28 | gpio_set_value(H2_TPS_GPIO_MMC_PWR_EN, power_on); |
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29 | return 0; |
30 | } | |
31 | ||
32 | static int mmc_late_init(struct device *dev) | |
33 | { | |
6a326075 | 34 | int ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power"); |
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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 | ||
6a326075 | 43 | static void mmc_cleanup(struct device *dev) |
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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, | |
6a326075 | 56 | .cleanup = mmc_cleanup, |
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57 | .slots[0] = { |
58 | .set_power = mmc_set_power, | |
2a12400e | 59 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
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60 | .name = "mmcblk", |
61 | }, | |
62 | }; | |
63 | ||
64 | static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC]; | |
65 | ||
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66 | void __init h2_mmc_init(void) |
67 | { | |
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68 | mmc_data[0] = &mmc1_data; |
69 | omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC); | |
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70 | } |
71 | ||
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72 | #else |
73 | ||
74 | void __init h2_mmc_init(void) | |
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75 | { |
76 | } | |
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77 | |
78 | #endif |