@@ -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));