ARM: dts: sun7i: Enable S/PDIF on the Cubietruck

Enable the S/PDIF transmitter present on the Cubietruck.

Signed-off-by: Christopher Spinrath <christopher.spinrath@rwth-aachen.de>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
index 8da939a..83f39b0 100644 (file)
--- a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
+++ b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
@@ -94,6 +94,24 @@
                pinctrl-0 = <&mmc3_pwrseq_pin_cubietruck>;
                reset-gpios = <&pio 7 9 GPIO_ACTIVE_LOW>; /* PH9 WIFI_EN */
        };
+
+       sound {
+               compatible = "simple-audio-card";
+               simple-audio-card,name = "On-board SPDIF";
+
+               simple-audio-card,cpu {
+                       sound-dai = <&spdif>;
+               };
+
+               simple-audio-card,codec {
+                       sound-dai = <&spdif_out>;
+               };
+       };
+
+       spdif_out: spdif-out {
+               #sound-dai-cells = <0>;
+               compatible = "linux,spdif-dit";
+       };
 };
 
 &ahci {
@@ -301,6 +319,12 @@
        status = "okay";
 };
 
+&spdif {
+       pinctrl-names = "default";
+       pinctrl-0 = <&spdif_tx_pins_a>;
+       status = "okay";
+};
+
 &uart0 {
        pinctrl-names = "default";
        pinctrl-0 = <&uart0_pins_a>;