Commit 60c24dc7 authored by Vladimir Barinov's avatar Vladimir Barinov Committed by Sascha Hauer
Browse files

MX27ADS: Add SDHC support 



Add SDHC support for MX27ADS board

Signed-off-by: default avatarVladimir Barinov <vbarinov@embeddedalley.com>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 9366d8f6

arch/arm/mach-mx2/mx27ads.c

+52 −0
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ 
#include <linux/mtd/partitions.h>

#include <linux/mtd/physmap.h>

#include <linux/i2c.h>

#include <linux/irq.h>

#include <mach/common.h>

#include <mach/hardware.h>

#include <asm/mach-types.h>
@@ -37,6 +38,7 @@ 
#include <mach/mxc_nand.h>

#include <mach/i2c.h>

#include <mach/imxfb.h>

#include <mach/mmc.h>



#include "devices.h"
@@ -123,6 +125,20 @@ static unsigned int mx27ads_pins[] = { 
	PA31_PF_OE_ACD,

	/* OWIRE */

	PE16_AF_OWIRE,

	/* SDHC1*/

	PE18_PF_SD1_D0,

	PE19_PF_SD1_D1,

	PE20_PF_SD1_D2,

	PE21_PF_SD1_D3,

	PE22_PF_SD1_CMD,

	PE23_PF_SD1_CLK,

	/* SDHC2*/

	PB4_PF_SD2_D0,

	PB5_PF_SD2_D1,

	PB6_PF_SD2_D2,

	PB7_PF_SD2_D3,

	PB8_PF_SD2_CMD,

	PB9_PF_SD2_CLK,

};



static struct mxc_nand_platform_data mx27ads_nand_board_info = {
@@ -199,6 +215,40 @@ static struct imx_fb_platform_data mx27ads_fb_data = { 
	.lcd_power	= lcd_power,

};



static int mx27ads_sdhc1_init(struct device *dev, irq_handler_t detect_irq,

			      void *data)

{

	return request_irq(IRQ_GPIOE(21), detect_irq, IRQF_TRIGGER_RISING,

			   "sdhc1-card-detect", data);

}



static int mx27ads_sdhc2_init(struct device *dev, irq_handler_t detect_irq,

			      void *data)

{

	return request_irq(IRQ_GPIOB(7), detect_irq, IRQF_TRIGGER_RISING,

			   "sdhc2-card-detect", data);

}



static void mx27ads_sdhc1_exit(struct device *dev, void *data)

{

	free_irq(IRQ_GPIOE(21), data);

}



static void mx27ads_sdhc2_exit(struct device *dev, void *data)

{

	free_irq(IRQ_GPIOB(7), data);

}



static struct imxmmc_platform_data sdhc1_pdata = {

	.init = mx27ads_sdhc1_init,

	.exit = mx27ads_sdhc1_exit,

};



static struct imxmmc_platform_data sdhc2_pdata = {

	.init = mx27ads_sdhc2_init,

	.exit = mx27ads_sdhc2_exit,

};



static struct platform_device *platform_devices[] __initdata = {

	&mx27ads_nor_mtd_device,

	&mxc_fec_device,
@@ -239,6 +289,8 @@ static void __init mx27ads_board_init(void) 
				ARRAY_SIZE(mx27ads_i2c_devices));

	mxc_register_device(&mxc_i2c_device1, &mx27ads_i2c_data);

	mxc_register_device(&mxc_fb_device, &mx27ads_fb_data);

	mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata);

	mxc_register_device(&mxc_sdhc_device1, &sdhc2_pdata);



	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));

}