arm64: dts: uniphier: Add XDMAC node

Add external DMA controller support implemented in UniPhier SoCs.
This supports for LD11, LD20 and PXs3.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi

@@ -566,6 +566,14 @@ efuse@200 {
 			};
 		};
 
+		xdmac: dma-controller@5fc10000 {
+			compatible = "socionext,uniphier-xdmac";
+			reg = <0x5fc10000 0x5300>;
+			interrupts = <0 188 4>;
+			dma-channels = <16>;
+			#dma-cells = <2>;
+		};
+
 		aidet: interrupt-controller@5fc20000 {
 			compatible = "socionext,uniphier-ld11-aidet";
 			reg = <0x5fc20000 0x200>;

arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi

@@ -664,6 +664,14 @@ usb_hs_i2: trim@5a,0 {
 			};
 		};
 
+		xdmac: dma-controller@5fc10000 {
+			compatible = "socionext,uniphier-xdmac";
+			reg = <0x5fc10000 0x5300>;
+			interrupts = <0 188 4>;
+			dma-channels = <16>;
+			#dma-cells = <2>;
+		};
+
 		aidet: interrupt-controller@5fc20000 {
 			compatible = "socionext,uniphier-ld20-aidet";
 			reg = <0x5fc20000 0x200>;

arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi

@@ -498,6 +498,14 @@ usb_hs_i2: trim@5a,0 {
 			};
 		};
 
+		xdmac: dma-controller@5fc10000 {
+			compatible = "socionext,uniphier-xdmac";
+			reg = <0x5fc10000 0x5300>;
+			interrupts = <0 188 4>;
+			dma-channels = <16>;
+			#dma-cells = <2>;
+		};
+
 		aidet: interrupt-controller@5fc20000 {
 			compatible = "socionext,uniphier-pxs3-aidet";
 			reg = <0x5fc20000 0x200>;