[PATCH 07/12] arm64: dts: mediatek: mt8390-genio-common: Add HDMI sound output support

From: Louis-Alexis Eyraud
Date: Tue Dec 09 2025 - 11:39:06 EST


Add in the sound node a new dai-link for ETDM3_OUT_BE to add the sound
output support through the HDMI connector.

Signed-off-by: Louis-Alexis Eyraud <louisalexis.eyraud@xxxxxxxxxxxxx>
---
arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi b/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi
index 5fa1f5fbad18f2bf9b153ae9a029829641e43023..2062506f6cc523d7797adc8b7e74732be9320201 100644
--- a/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi
@@ -1344,6 +1344,15 @@ codec {
sound-dai = <&dmic_codec>;
};
};
+
+ dai-link-2 {
+ link-name = "ETDM3_OUT_BE";
+
+ codec {
+ sound-dai = <&hdmi 0>;
+ };
+ };
+
};

&spi2 {

--
2.52.0