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>

1 files changed, 24 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
index 8da939ab8350..83f39b0362cb 100644
--- 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>;