ARM: dts: sun6i: Add the SPDIF block to the A31

Add the SPDIF transceiver controller block to the A31 dtsi.
Signed-off-by: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun6i-a31.dtsi

@@ -613,6 +613,19 @@ wdt1: watchdog@01c20ca0 {
 			reg = <0x01c20ca0 0x20>;
 		};
 
+		spdif: spdif@01c21000 {
+			#sound-dai-cells = <0>;
+			compatible = "allwinner,sun6i-a31-spdif";
+			reg = <0x01c21000 0x400>;
+			interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_APB1_SPDIF>, <&ccu CLK_SPDIF>;
+			resets = <&ccu RST_APB1_SPDIF>;
+			clock-names = "apb", "spdif";
+			dmas = <&dma 2>, <&dma 2>;
+			dma-names = "rx", "tx";
+			status = "disabled";
+		};
+
 		lradc: lradc@01c22800 {
 			compatible = "allwinner,sun4i-a10-lradc-keys";
 			reg = <0x01c22800 0x100>;