ARM: dts: rockchip: Add SPDIF optical out on Radxa Rock

This enables the SPDIF optical audio output on the Radxa Rock

Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm/boot/dts/rk3188-radxarock.dts b/arch/arm/boot/dts/rk3188-radxarock.dts
index 9b31abedcef15cce8c9a44060f3bf9c1557564f5..66fa87d1e2c2492f247b703fce10d3b34f2076e9 100644 (file)
--- a/arch/arm/boot/dts/rk3188-radxarock.dts
+++ b/arch/arm/boot/dts/rk3188-radxarock.dts
@@ -90,6 +90,21 @@
                };
        };
 
+       sound {
+               compatible = "simple-audio-card";
+               simple-audio-card,name = "SPDIF";
+
+               simple-audio-card,dai-link@1 {  /* S/PDIF - S/PDIF */
+                       cpu { sound-dai = <&spdif>; };
+                       codec { sound-dai = <&spdif_out>; };
+               };
+       };
+
+       spdif_out: spdif-out {
+               compatible = "linux,spdif-dit";
+               #sound-dai-cells = <0>;
+       };
+
        ir_recv: gpio-ir-receiver {
                compatible = "gpio-ir-receiver";
                gpios = <&gpio0 10 1>;
@@ -345,6 +360,10 @@
        };
 };
 
+&spdif {
+       status = "okay";
+};
+
 &uart0 {
        status = "okay";
 };