82 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			82 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * linux/arch/arm/mach-omap1/board-h2-mmc.c
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|  *
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|  * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
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|  * Author: Felipe Balbi <felipe.lima@indt.org.br>
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|  *
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|  * This code is based on linux/arch/arm/mach-omap2/board-n800-mmc.c, which is:
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|  * Copyright (C) 2006 Nokia Corporation
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|  *
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|  * This program is free software; you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License version 2 as
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|  * published by the Free Software Foundation.
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|  */
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| 
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| #include <linux/platform_device.h>
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| 
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| #include <linux/i2c/tps65010.h>
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| 
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| #include <mach/mmc.h>
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| #include <mach/gpio.h>
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| 
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| #include "board-h2.h"
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| 
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| #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
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| 
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| static int mmc_set_power(struct device *dev, int slot, int power_on,
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| 				int vdd)
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| {
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| 	gpio_set_value(H2_TPS_GPIO_MMC_PWR_EN, power_on);
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| 	return 0;
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| }
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| 
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| static int mmc_late_init(struct device *dev)
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| {
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| 	int ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power");
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| 	if (ret < 0)
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| 		return ret;
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| 
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| 	gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0);
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| 
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| 	return ret;
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| }
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| 
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| static void mmc_cleanup(struct device *dev)
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| {
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| 	gpio_free(H2_TPS_GPIO_MMC_PWR_EN);
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| }
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| 
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| /*
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|  * H2 could use the following functions tested:
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|  * - mmc_get_cover_state that uses OMAP_MPUIO(1)
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|  * - mmc_get_wp that uses OMAP_MPUIO(3)
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|  */
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| static struct omap_mmc_platform_data mmc1_data = {
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| 	.nr_slots                       = 1,
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| 	.init				= mmc_late_init,
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| 	.cleanup			= mmc_cleanup,
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| 	.dma_mask			= 0xffffffff,
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| 	.slots[0]       = {
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| 		.set_power              = mmc_set_power,
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| 		.ocr_mask               = MMC_VDD_28_29 | MMC_VDD_30_31 |
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| 					  MMC_VDD_32_33 | MMC_VDD_33_34,
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| 		.name                   = "mmcblk",
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| 	},
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| };
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| 
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| static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
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| 
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| void __init h2_mmc_init(void)
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| {
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| 	mmc_data[0] = &mmc1_data;
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| 	omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC);
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| }
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| 
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| #else
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| 
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| void __init h2_mmc_init(void)
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| {
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| }
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| 
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| #endif
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