* [PATCH v1] arm64: dts: qcom: purwa-evk: add DP0/DP1 audio playback support
@ 2026-07-01 6:30 Le Qi
2026-09-23 22:19 ` Bjorn Andersson
0 siblings, 1 reply; 2+ messages in thread
From: Le Qi @ 2026-07-01 6:30 UTC (permalink / raw)
To: Bjorn Andersson, Konrad Dybcio, Rob Herring, Krzysztof Kozlowski,
Conor Dooley, linux-arm-msm, devicetree, linux-kernel
Cc: kernel, Le Qi
The purwa-evk DTS currently lacks DAI links for DP0 and DP1, preventing
the sound card from exposing these playback paths. Add the missing links
to enable audio output on both DP interfaces.
This change follows the same approach as the fix for hamoa-evk.
Link: https://lore.kernel.org/all/20260210024037.3719191-1-le.qi@oss.qualcomm.com/
Signed-off-by: Le Qi <le.qi@oss.qualcomm.com>
---
arch/arm64/boot/dts/qcom/purwa-iot-evk.dts | 32 ++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts b/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts
index ad503beec1d3..7f1f6ad477c6 100644
--- a/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts
+++ b/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts
@@ -616,6 +616,38 @@ platform {
sound-dai = <&q6apm>;
};
};
+
+ dp0-dai-link {
+ link-name = "DP0 Playback";
+
+ codec {
+ sound-dai = <&mdss_dp0>;
+ };
+
+ cpu {
+ sound-dai = <&q6apmbedai DISPLAY_PORT_RX_0>;
+ };
+
+ platform {
+ sound-dai = <&q6apm>;
+ };
+ };
+
+ dp1-dai-link {
+ link-name = "DP1 Playback";
+
+ codec {
+ sound-dai = <&mdss_dp1>;
+ };
+
+ cpu {
+ sound-dai = <&q6apmbedai DISPLAY_PORT_RX_1>;
+ };
+
+ platform {
+ sound-dai = <&q6apm>;
+ };
+ };
};
wcn7850-pmu {
--
2.34.1
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH v1] arm64: dts: qcom: purwa-evk: add DP0/DP1 audio playback support
2026-07-01 6:30 [PATCH v1] arm64: dts: qcom: purwa-evk: add DP0/DP1 audio playback support Le Qi
@ 2026-09-23 22:19 ` Bjorn Andersson
0 siblings, 0 replies; 2+ messages in thread
From: Bjorn Andersson @ 2026-09-23 22:19 UTC (permalink / raw)
To: Konrad Dybcio, Rob Herring, Krzysztof Kozlowski, Conor Dooley,
linux-arm-msm, devicetree, linux-kernel, Le Qi
Cc: kernel
On Wed, 01 Jul 2026 14:30:03 +0800, Le Qi wrote:
> The purwa-evk DTS currently lacks DAI links for DP0 and DP1, preventing
> the sound card from exposing these playback paths. Add the missing links
> to enable audio output on both DP interfaces.
>
> This change follows the same approach as the fix for hamoa-evk.
>
>
> [...]
Applied, thanks!
[1/1] arm64: dts: qcom: purwa-evk: add DP0/DP1 audio playback support
commit: 84001114134866c61340614fb6e3bd14b7013bf9
Best regards,
--
Bjorn Andersson <andersson@kernel.org>
^ permalink raw reply [flat|nested] 2+ messages in thread
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