ARM: mach-shmobile: mackerel: Add touchscreen ST1232 support

Signed-off-by: Tony SIM <chinyeow.sim.xt@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index f0547dcb1d8..6601c595b1e 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -963,6 +963,7 @@ static struct tca6416_keys_platform_data mackerel_tca6416_keys_info = {
 };
 
 /* I2C */
+#define IRQ7 evt2irq(0x02e0)
 #define IRQ9 evt2irq(0x0320)
 
 static struct i2c_board_info i2c0_devices[] = {
@@ -975,6 +976,11 @@ static struct i2c_board_info i2c0_devices[] = {
                 .platform_data = &mackerel_tca6416_keys_info,
                 .irq = IRQ9,
         },
+        /* Touchscreen */
+        {
+                I2C_BOARD_INFO("st1232-ts", 0x55),
+                .irq = IRQ7,
+        },
 };
 
 #define IRQ21 evt2irq(0x32a0)
@@ -1102,6 +1108,10 @@ static void __init mackerel_init(void)
         gpio_request(GPIO_FN_IRQ9_42,   NULL);
         set_irq_type(IRQ9, IRQ_TYPE_LEVEL_HIGH);
 
+        /* enable Touchscreen */
+        gpio_request(GPIO_FN_IRQ7_40,   NULL);
+        set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
+
         /* enable Accelerometer */
         gpio_request(GPIO_FN_IRQ21,     NULL);
         set_irq_type(IRQ21, IRQ_TYPE_LEVEL_HIGH);