ARM: dts: Add GPMC node for OMAP2, OMAP4 and OMAP5

Add the device-tree node for GPMC on OMAP2, OMAP4 and OMAP5 devices.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Benoit Cousson <benoit.cousson@linaro.org>
diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
index e5ac072..2b0da055 100644
--- a/arch/arm/boot/dts/omap4.dtsi
+++ b/arch/arm/boot/dts/omap4.dtsi
@@ -196,6 +196,17 @@
 			#interrupt-cells = <1>;
 		};
 
+		gpmc: gpmc@50000000 {
+			compatible = "ti,omap4430-gpmc";
+			reg = <0x50000000 0x1000>;
+			#address-cells = <2>;
+			#size-cells = <1>;
+			interrupts = <0 20 0x4>;
+			gpmc,num-cs = <8>;
+			gpmc,num-waitpins = <4>;
+			ti,hwmods = "gpmc";
+		};
+
 		uart1: serial@4806a000 {
 			compatible = "ti,omap4-uart";
 			reg = <0x4806a000 0x100>;