[PATCH] ARM: imx6qdl-wandboard: Add spdif support

[festevam@gmail.com (Fabio Estevam)]

From: Fabio Estevam <fabio.estevam@freescale.com>

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
I can see the spdif card getting probed. When I run 'aplay the spdif
light turns on, but I cannot test it due to the lack of spdif equipment at the
moment.

 arch/arm/boot/dts/imx6qdl-wandboard.dtsi | 13 +++++++++++++
 arch/arm/boot/dts/imx6qdl.dtsi           | 32 ++++++++++++++++++++++++++++----
 2 files changed, 41 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
index a55113e..6ab91be 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";
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index ccd55c2..d0324ba 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -135,10 +135,27 @@
 				reg = <0x02000000 0x40000>;
 				ranges;
 
-				spdif: spdif at 02004000 {
-					reg = <0x02004000 0x4000>;
-					interrupts = <0 52 0x04>;
-				};
+			spdif: spdif at 02004000 {
+				compatible = "fsl,imx35-spdif";
+				reg = <0x02004000 0x4000>;
+				interrupts = <0 52 0x04>;
+				dmas = <&sdma 14 18 0>,
+				       <&sdma 15 18 0>;
+				dma-names = "rx", "tx";
+
+				clocks = <&clks 197>, <&clks 3>,
+					 <&clks 197>, <&clks 107>,
+					 <&clks 0>, <&clks 118>,
+					 <&clks 62>, <&clks 139>,
+					 <&clks 0>;
+				clock-names = "core", "rxtx0",
+					      "rxtx1", "rxtx2",
+					      "rxtx3", "rxtx4",
+					      "rxtx5", "rxtx6",
+					      "rxtx7";
+
+				status = "disabled";
+			};
 
 				ecspi1: ecspi at 02008000 {
 					#address-cells = <1>;
@@ -1010,6 +1027,13 @@
 							MX6QDL_PAD_GPIO_17__SPDIF_OUT 0x1b0b0
 						>;
 					};
+
+					pinctrl_spdif_3: spdifgrp-3 {
+						fsl,pins = <
+							MX6QDL_PAD_ENET_RXD0__SPDIF_OUT 0x1b0b0
+						>;
+					};
+
 				};
 
 				uart1 {
-- 
1.8.1.2