* [PATCH v1] arm64: dts: qcom: purwa-iot-evk: add missing DP2 audio link
@ 2026-10-09 3:04 Le Qi
0 siblings, 0 replies; only message in thread
From: Le Qi @ 2026-10-09 3:04 UTC (permalink / raw)
To: Bjorn Andersson, Konrad Dybcio, Rob Herring, Krzysztof Kozlowski,
Conor Dooley
Cc: Abel Vesa, linux-arm-msm, devicetree, linux-kernel, kernel, Le Qi
The DP2 DAI link is missing from the sound card definition, preventing
audio playback over the third DisplayPort interface.
Add the required codec, CPU, and platform DAI configuration to enable
audio playback over DP2.
Signed-off-by: Le Qi <le.qi@oss.qualcomm.com>
---
arch/arm64/boot/dts/qcom/purwa-iot-evk.dts | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts b/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts
index a811d8ca2dbf..93cefffd1f46 100644
--- a/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts
+++ b/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts
@@ -641,6 +641,22 @@ platform {
sound-dai = <&q6apm>;
};
};
+
+ dp2-dai-link {
+ link-name = "DP2 Playback";
+
+ codec {
+ sound-dai = <&mdss_dp2>;
+ };
+
+ cpu {
+ sound-dai = <&q6apmbedai DISPLAY_PORT_RX_2>;
+ };
+
+ platform {
+ sound-dai = <&q6apm>;
+ };
+ };
};
wifi-bt-connector {
--
2.34.1
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