ARM: dts: pxa: add dma controller

Add the SoC embedded DMA controller, shared with the mmp architecture.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
diff --git a/arch/arm/boot/dts/pxa3xx.dtsi b/arch/arm/boot/dts/pxa3xx.dtsi
index 7ad0b17..4eb1563 100644
--- a/arch/arm/boot/dts/pxa3xx.dtsi
+++ b/arch/arm/boot/dts/pxa3xx.dtsi
@@ -6,6 +6,15 @@
 	compatible = "marvell,pxa3xx";
 
 	pxabus {
+		pdma: dma-controller@40000000 {
+			compatible = "marvell,pdma-1.0";
+			reg = <0x40000000 0x10000>;
+			interrupts = <25>;
+			#dma-channels = <32>;
+			#dma-cells = <2>;
+			status = "okay";
+		};
+
 		pwri2c: i2c@40f500c0 {
 			compatible = "mrvl,pwri2c";
 			reg = <0x40f500c0 0x30>;