[PATCH] arm64: dts: amlogic: add spdifout on libretech potatoes

[Jerome Brunet <jbrunet@xxxxxxxxxxxx>]

SPDIF output is available libretech's Potato v1 and v2, on a dedicated
header. Add the codec, pinmux and dai link to enable it on the sound card.

Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
---
 .../amlogic/meson-gxl-s905x-libretech-cc-v2.dts | 17 +++++++++++++++++
 .../amlogic/meson-gxl-s905x-libretech-cc.dts    | 17 +++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc-v2.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc-v2.dts
index 2825db91e462..ca6f922d162d 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc-v2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc-v2.dts
@@ -23,6 +23,13 @@ aliases {
 		spi0 = &spifc;
 	};
 
+	spdif_dit: audio-codec {
+		#sound-dai-cells = <0>;
+		compatible = "linux,spdif-dit";
+		status = "okay";
+		sound-name-prefix = "9J2";
+	};
+
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
@@ -189,11 +196,21 @@ codec-0 {
 				sound-dai = <&hdmi_tx>;
 			};
 		};
+
+		dai-link-3 {
+			sound-dai = <&aiu AIU_CPU CPU_SPDIF_ENCODER>;
+
+			codec-0 {
+				sound-dai = <&spdif_dit>;
+			};
+		};
 	};
 };
 
 &aiu {
 	status = "okay";
+	pinctrl-0 = <&spdif_out_h_pins>;
+	pinctrl-names = "default";
 };
 
 &cec_AO {
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
index 27093e6ac9e2..8b3234a9cb45 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
@@ -29,6 +29,13 @@ dio2133: analog-amplifier {
 		enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
 	};
 
+	spdif_dit: audio-codec {
+		#sound-dai-cells = <0>;
+		compatible = "linux,spdif-dit";
+		status = "okay";
+		sound-name-prefix = "9J1";
+	};
+
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
@@ -183,6 +190,14 @@ codec-0 {
 				sound-dai = <&acodec>;
 			};
 		};
+
+		dai-link-4 {
+			sound-dai = <&aiu AIU_CPU CPU_SPDIF_ENCODER>;
+
+			codec-0 {
+				sound-dai = <&spdif_dit>;
+			};
+		};
 	};
 };
 
@@ -193,6 +208,8 @@ &acodec {
 
 &aiu {
 	status = "okay";
+	pinctrl-0 = <&spdif_out_h_pins>;
+	pinctrl-names = "default";
 };
 
 &cec_AO {
-- 
2.40.1