From: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Date: Mon, 9 Feb 2026 09:32:38 +0000 (+0100)
Subject: arm64: dts: qcom: x1-crd: add USB DisplayPort audio
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=90b7cc18e9333879991f178c3f78bd1b93e2e8e7;p=thirdparty%2Fkernel%2Fstable.git

arm64: dts: qcom: x1-crd: add USB DisplayPort audio

Add support for playing audio over USB DisplayPort (the two left USB-C
ports on the CRD device).

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260209093237.33287-2-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/x1-crd.dtsi b/arch/arm64/boot/dts/qcom/x1-crd.dtsi
index ded96fb43489..c0c7ddabd8fc 100644
--- a/arch/arm64/boot/dts/qcom/x1-crd.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1-crd.dtsi
@@ -226,6 +226,38 @@
 				"VA DMIC3", "MIC BIAS1",
 				"TX SWR_INPUT1", "ADC2_OUTPUT";
 
+		displayport-0-dai-link {
+			link-name = "DisplayPort0 Playback";
+
+			codec {
+				sound-dai = <&mdss_dp0>;
+			};
+
+			cpu {
+				sound-dai = <&q6apmbedai DISPLAY_PORT_RX_0>;
+			};
+
+			platform {
+				sound-dai = <&q6apm>;
+			};
+		};
+
+		displayport-1-dai-link {
+			link-name = "DisplayPort1 Playback";
+
+			codec {
+				sound-dai = <&mdss_dp1>;
+			};
+
+			cpu {
+				sound-dai = <&q6apmbedai DISPLAY_PORT_RX_1>;
+			};
+
+			platform {
+				sound-dai = <&q6apm>;
+			};
+		};
+
 		wcd-playback-dai-link {
 			link-name = "WCD Playback";