projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | */ | |
| 14 | ||
| d8874665 TL |
15 | #include <linux/platform_device.h> |
| 16 | ||
| 17 | #include <linux/i2c/tps65010.h> | |
| 18 | ||
| a09e64fb RK |
19 | #include <mach/mmc.h> |
| 20 | #include <mach/gpio.h> | |
| 138ab9f8 | 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 | { | |
| 27 | if (power_on) | |
| 28 | gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 1); | |
| 29 | else | |
| 30 | gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0); | |
| 31 | ||
| 32 | return 0; | |
| 33 | } | |
| 34 | ||
| 35 | static int mmc_late_init(struct device *dev) | |
| 36 | { | |
| 37 | int ret; | |
| 38 | ||
| 39 | ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power"); | |
| 40 | if (ret < 0) | |
| 41 | return ret; | |
| 42 | ||
| 43 | gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0); | |
| 44 | ||
| 45 | return ret; | |
| 46 | } | |
| 47 | ||
| 48 | static void mmc_shutdown(struct device *dev) | |
| 49 | { | |
| 50 | gpio_free(H2_TPS_GPIO_MMC_PWR_EN); | |
| 51 | } | |
| 52 | ||
| 53 | /* | |
| 54 | * H2 could use the following functions tested: | |
| 55 | * - mmc_get_cover_state that uses OMAP_MPUIO(1) | |
| 56 | * - mmc_get_wp that uses OMAP_MPUIO(3) | |
| 57 | */ | |
| 58 | static struct omap_mmc_platform_data mmc1_data = { | |
| 59 | .nr_slots = 1, | |
| 60 | .init = mmc_late_init, | |
| 61 | .shutdown = mmc_shutdown, | |
| 62 | .dma_mask = 0xffffffff, | |
| 63 | .slots[0] = { | |
| 64 | .set_power = mmc_set_power, | |
| 65 | .ocr_mask = MMC_VDD_28_29 | MMC_VDD_30_31 | | |
| 66 | MMC_VDD_32_33 | MMC_VDD_33_34, | |
| 67 | .name = "mmcblk", | |
| 68 | }, | |
| 69 | }; | |
| 70 | ||
| 71 | static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC]; | |
| 72 | ||
| 138ab9f8 FB |
73 | void __init h2_mmc_init(void) |
| 74 | { | |
| d8874665 TL |
75 | mmc_data[0] = &mmc1_data; |
| 76 | omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC); | |
| 138ab9f8 FB |
77 | } |
| 78 | ||
| d8874665 TL |
79 | #else |
| 80 | ||
| 81 | void __init h2_mmc_init(void) | |
| 138ab9f8 FB |
82 | { |
| 83 | } | |
| d8874665 TL |
84 | |
| 85 | #endif |