ARM: dts: sun7i: Add the SPDIF block to the A20

Add the SPDIF transceiver controller block to the A20 dtsi.
Signed-off-by: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun7i-a20.dtsi

@@ -1244,6 +1244,19 @@ pwm: pwm@01c20e00 {
 			status = "disabled";
 		};
 
+		spdif: spdif@01c21000 {
+			#sound-dai-cells = <0>;
+			compatible = "allwinner,sun4i-a10-spdif";
+			reg = <0x01c21000 0x400>;
+			interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&apb0_gates 1>, <&spdif_clk>;
+			clock-names = "apb", "spdif";
+			dmas = <&dma SUN4I_DMA_NORMAL 2>,
+			       <&dma SUN4I_DMA_NORMAL 2>;
+			dma-names = "rx", "tx";
+			status = "disabled";
+		};
+
 		ir0: ir@01c21800 {
 			compatible = "allwinner,sun4i-a10-ir";
 			clocks = <&apb0_gates 6>, <&ir0_clk>;