Turris Omnia has GPIO51 exported on pin header U16, which works in S/PDIF
output mode. So define S/PDIF audio output card for this pin.
Signed-off-by: Pali Rohár <[email protected]>
---
arch/arm/boot/dts/armada-385-turris-omnia.dts | 27 +++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/arch/arm/boot/dts/armada-385-turris-omnia.dts b/arch/arm/boot/dts/armada-385-turris-omnia.dts
index d1e0db6e5730..fd0960157589 100644
--- a/arch/arm/boot/dts/armada-385-turris-omnia.dts
+++ b/arch/arm/boot/dts/armada-385-turris-omnia.dts
@@ -105,6 +105,33 @@
*/
status = "disabled";
};
+
+ sound {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "SPDIF";
+ simple-audio-card,format = "i2s";
+
+ simple-audio-card,cpu {
+ sound-dai = <&audio_controller 1>;
+ };
+
+ simple-audio-card,codec {
+ sound-dai = <&spdif_out>;
+ };
+ };
+
+ spdif_out: spdif-out {
+ #sound-dai-cells = <0>;
+ compatible = "linux,spdif-dit";
+ };
+};
+
+&audio_controller {
+ /* Pin header U16, GPIO51 in SPDIFO mode */
+ pinctrl-0 = <&spdif_pins>;
+ pinctrl-names = "default";
+ spdif-mode;
+ status = "okay";
};
&bm {
--
2.20.1