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Commit d66e35fa authored by Pavel Pisa's avatar Pavel Pisa Committed by Russell King
Browse files

[ARM] 3446/1: i.MX: MMC/SD SDHC controller registration for i.MX/MX1 MX1ADS board 



Patch from Pavel Pisa

From: Stefano Fedrigo <aleph@develer.com>

This adds to the MX1ADS platform the needed code to detect
insertion/removal of an MMC/SD card.  Tested on a v1.1 board.

Signed-off-by: default avatarStefano Fedrigo <aleph@develer.com>
Signed-off-by: default avatarPavel Pisa <pisa@cmp.felk.cvut.cz>
Acked-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 999331af

arch/arm/mach-imx/mx1ads.c

+18 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#include <asm/mach-types.h>



#include <asm/mach/arch.h>

#include <asm/arch/mmc.h>

#include <linux/interrupt.h>

#include "generic.h"
@@ -51,11 +52,28 @@ static struct platform_device *devices[] __initdata = { 
	&cs89x0_device,

};



#ifdef CONFIG_MMC_IMX

static int mx1ads_mmc_card_present(void)

{

	/* MMC/SD Card Detect is PB 20 on MX1ADS V1.0.7 */

	return (SSR(1) & (1 << 20) ? 0 : 1);

}



static struct imxmmc_platform_data mx1ads_mmc_info = {

       .card_present = mx1ads_mmc_card_present,

};

#endif



static void __init

mx1ads_init(void)

{

#ifdef CONFIG_LEDS

	imx_gpio_mode(GPIO_PORTA | GPIO_OUT | 2);

#endif

#ifdef CONFIG_MMC_IMX

	/* SD/MMC card detect */

	imx_gpio_mode(GPIO_PORTB | GPIO_GIUS | GPIO_IN | 20);

	imx_set_mmc_info(&mx1ads_mmc_info);

#endif

	platform_add_devices(devices, ARRAY_SIZE(devices));

}