Pixcir_i2c_tsc driver can now wakeup the system from lower power state
via pinctrl and IO daisy chain using generic wakeirq framwework. Add
optional wakeup irq entry to allow pixcir_i2c_tsc to wake system from
low power state.

Signed-off-by: Vignesh R <vigneshr@ti.com>
---

v3:
 * Drop "irq" suffix from interrupt-names.

v2:
 * Add interrupt-names property.

 arch/arm/boot/dts/am437x-gp-evm.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 84aa30c3235a..99209a137c63 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts

@@ -503,6 +503,10 @@
 
 		attb-gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>;
 
+		interrupts-extended = <&gpio3 22 GPIO_ACTIVE_HIGH>,
+				      <&am43xx_pinmux 0x264>;
+		interrupt-names = "tsc", "wakeup";
+
 		touchscreen-size-x = <1024>;
 		touchscreen-size-y = <600>;
 	};

-- 
2.4.5