MX27ADS: Add SDHC support (60c24dc7) · Commits · 戴 / test

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));
		}

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