ARM: imx6qdl-wandboard: Add spdif support

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Reviewed-by: Nicolin Chen <b42378@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
index b462080..df42d3c 100644
--- a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
@@ -43,6 +43,13 @@
 		mux-int-port = <1>;
 		mux-ext-port = <3>;
 	};
+
+	sound-spdif {
+		compatible = "fsl,imx-audio-spdif";
+		model = "imx-spdif";
+		spdif-controller = <&spdif>;
+		spdif-out;
+	};
 };
 
 &audmux {
@@ -93,6 +100,12 @@
 	status = "okay";
 };
 
+&spdif {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_spdif_3>;
+	status = "okay";
+};
+
 &ssi1 {
 	fsl,mode = "i2s-slave";
 	status = "okay";