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ARM: mach-shmobile: ap4evb: Add TouchScreen support

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Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Kuninori Morimoto 2010-03-11 10:42:52 +00:00 committed by Paul Mundt
parent c1909cc19a
commit 91cf508229
1 changed files with 26 additions and 0 deletions
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26
arch/arm/mach-shmobile/board-ap4evb.c
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@ -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));