linux-kernel - [PATCH v2 01/16] arm64: dts: qcom: sm8550: allow mode-switch events to reach the QMP Combo PHY

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Message-Id: <20250822-topic-x1e80100-4lanes-v2-1-4b21372b1901@linaro.org>
Date: Fri, 22 Aug 2025 11:39:13 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH v2 01/16] arm64: dts: qcom: sm8550: allow mode-switch
 events to reach the QMP Combo PHY

Allow mode-switch events to reach the QMP Combo PHY to support
setting the QMP Combo PHY in DP 4Lanes Altmode.

Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm8550.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
index 38d139d1dd4a994287c03d064ca01d59a11ac771..0409ae7517f239171a89bc0ba7bb47bc9e7fedaf 100644
--- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
@@ -4051,6 +4051,7 @@ usb_dp_qmpphy: phy@...8000 {
 			#clock-cells = <1>;
 			#phy-cells = <1>;
 
+			mode-switch;
 			orientation-switch;
 
 			status = "disabled";

-- 
2.34.1