arm64: dts: hi3660: add bindings for DMA

Add bindings for DMA.
Signed-off-by: Wang Ruyi <wangruyi@huawei.com>
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

arch/arm64/boot/dts/hisilicon/hi3660.dtsi

@@ -436,6 +436,19 @@ uart6: serial@fff32000 {
 			status = "disabled";
 		};
 
+		dma0: dma@fdf30000 {
+			compatible = "hisilicon,k3-dma-1.0";
+			reg = <0x0 0xfdf30000 0x0 0x1000>;
+			#dma-cells = <1>;
+			dma-channels = <16>;
+			dma-requests = <32>;
+			dma-min-chan = <1>;
+			interrupts = <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&crg_ctrl HI3660_CLK_GATE_DMAC>;
+			dma-no-cci;
+			dma-type = "hi3660_dma";
+		};
+
 		rtc0: rtc@fff04000 {
 			compatible = "arm,pl031", "arm,primecell";
 			reg = <0x0 0Xfff04000 0x0 0x1000>;