ARM: dts: lpc18xx: add dmac node

Add the ARM PL080 DMA controller node to the dtsi for all
lpc18xx/43xx devices.
Signed-off-by: Joachim Eastwood <manabian@gmail.com>

arch/arm/boot/dts/lpc18xx.dtsi

@@ -68,6 +68,25 @@ gp_clkin: gp_clkin {
 	};
 
 	soc {
+		dmac: dma-controller@40002000 {
+			compatible = "arm,pl080", "arm,primecell";
+			arm,primecell-periphid = <0x00041080>;
+			reg = <0x40002000 0x1000>;
+			interrupts = <2>;
+			clocks = <&ccu1 CLK_CPU_DMA>;
+			clock-names = "apb_pclk";
+			resets = <&rgu 19>;
+			#dma-cells = <2>;
+			dma-channels = <8>;
+			dma-requests = <16>;
+			lli-bus-interface-ahb1;
+			lli-bus-interface-ahb2;
+			mem-bus-interface-ahb1;
+			mem-bus-interface-ahb2;
+			memcpy-burst-size = <256>;
+			memcpy-bus-width = <32>;
+		};
+
 		spifi: flash-controller@40003000 {
 			compatible = "nxp,lpc1773-spifi";
 			reg = <0x40003000 0x1000>, <0x14000000 0x4000000>;