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ARM: mach-shmobile: kzm9g: add ST1232 Touchscreen support

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Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Simon Horman <horms@verge.net.au>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Kuninori Morimoto 2012-04-10 20:58:45 -07:00 committed by Rafael J. Wysocki
parent 26786111f9
commit 407c05266c
1 changed files with 14 additions and 0 deletions
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14
arch/arm/mach-shmobile/board-kzm9g.c
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@ -21,6 +21,7 @@
#include <linux/gpio.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/smsc911x.h>
#include <linux/usb/r8a66597.h>
@ -146,6 +147,13 @@ static struct platform_device lcdc_device = {
},
};
static struct i2c_board_info i2c1_devices[] = {
{
I2C_BOARD_INFO("st1232-ts", 0x55),
.irq = intcs_evt2irq(0x300), /* IRQ8 */
},
};
static struct platform_device *kzm_devices[] __initdata = {
&smsc_device,
&usb_host_device,
@ -253,11 +261,17 @@ static void __init kzm_init(void)
gpio_request(GPIO_PORT222, NULL);
gpio_direction_output(GPIO_PORT222, 1);
/* Touchscreen */
gpio_request(GPIO_PORT223, NULL); /* IRQ8 */
gpio_direction_input(GPIO_PORT223);
#ifdef CONFIG_CACHE_L2X0
/* Early BRESP enable, Shared attribute override enable, 64K*8way */
l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff);
#endif
i2c_register_board_info(1, i2c1_devices, ARRAY_SIZE(i2c1_devices));
sh73a0_add_standard_devices();
platform_add_devices(kzm_devices, ARRAY_SIZE(kzm_devices));
}