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Commit 91cf5082 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Paul Mundt
Browse files

ARM: mach-shmobile: ap4evb: Add TouchScreen support 



Signed-off-by: default avatarKuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent c1909cc1

arch/arm/mach-shmobile/board-ap4evb.c

+26 −0
Original line number Diff line number Diff line
@@ -26,6 +26,8 @@ 
#include <linux/mtd/mtd.h>

#include <linux/mtd/partitions.h>

#include <linux/mtd/physmap.h>

#include <linux/i2c.h>

#include <linux/i2c/tsc2007.h>

#include <linux/io.h>

#include <linux/smsc911x.h>

#include <linux/gpio.h>
@@ -234,6 +236,23 @@ static struct platform_device *ap4evb_devices[] __initdata = { 
	&sdhi0_device,

};



/* TouchScreen */

#define IRQ28	396

struct tsc2007_platform_data tsc2007_info = {

	.model			= 2007,

	.x_plate_ohms		= 180,

};



/* I2C */

static struct i2c_board_info i2c1_devices[] = {

	{

		I2C_BOARD_INFO("tsc2007", 0x48),

		.type		= "tsc2007",

		.platform_data	= &tsc2007_info,

		.irq		= IRQ28,

	},

};



static struct map_desc ap4evb_io_desc[] __initdata = {

	/* create a 1:1 entity map for 0xe6xxxxxx

	 * used by CPGA, INTC and PFC.
@@ -318,6 +337,13 @@ static void __init ap4evb_init(void) 
	gpio_request(GPIO_FN_SDHID0_1, NULL);

	gpio_request(GPIO_FN_SDHID0_0, NULL);



	/* enable TouchScreen */

	gpio_request(GPIO_FN_IRQ28_123, NULL);

	set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);



	i2c_register_board_info(1, i2c1_devices,

				ARRAY_SIZE(i2c1_devices));



	sh7372_add_standard_devices();



	platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));