linux-kernel - [PATCH RFT 6/7] arm64: dts: qcom-sm8650: allow 4 lanes for DisplayPort and enable QMP PHY mode-switch

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Date: Thu, 29 Feb 2024 14:07:06 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, Vinod Koul <vkoul@...nel.org>, 
 Kishon Vijay Abraham I <kishon@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH RFT 6/7] arm64: dts: qcom-sm8650: allow 4 lanes for
 DisplayPort and enable QMP PHY mode-switch

Allow up to 4 lanes for the DisplayPort link from the PHY to the Controller
and allow mode-switch events to the QMP Combo PHY.

Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm8650-qrd.dts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8650-qrd.dts b/arch/arm64/boot/dts/qcom/sm8650-qrd.dts
index b07cac2e5bc8..35259ebd07ce 100644
--- a/arch/arm64/boot/dts/qcom/sm8650-qrd.dts
+++ b/arch/arm64/boot/dts/qcom/sm8650-qrd.dts
@@ -823,7 +823,7 @@ &mdss_dp0 {
 };
 
 &mdss_dp0_out {
-	data-lanes = <0 1>;
+	data-lanes = <0 1 2 3>;
 	remote-endpoint = <&usb_dp_qmpphy_dp_in>;
 };
 
@@ -1224,6 +1224,7 @@ &usb_dp_qmpphy {
 	vdda-phy-supply = <&vreg_l3i_1p2>;
 	vdda-pll-supply = <&vreg_l3g_0p91>;
 
+	mode-switch;
 	orientation-switch;
 
 	status = "okay";

-- 
2.34.1