linux-kernel - [PATCH v2 5/7] arm64: dts: qcom-sm8550: allow 4 lanes for DisplayPort and enable QMP PHY mode-switch

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Message-Id: <20240527-topic-sm8x50-upstream-phy-combo-typec-mux-v2-5-a03e68d7b8fc@linaro.org>
Date: Mon, 27 May 2024 10:42:37 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Vinod Koul <vkoul@...nel.org>, 
 Kishon Vijay Abraham I <kishon@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.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 v2 5/7] arm64: dts: qcom-sm8550: 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/sm8550-hdk.dts | 3 ++-
 arch/arm64/boot/dts/qcom/sm8550-qrd.dts | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8550-hdk.dts b/arch/arm64/boot/dts/qcom/sm8550-hdk.dts
index ccff744dcd14..a95949c01f25 100644
--- a/arch/arm64/boot/dts/qcom/sm8550-hdk.dts
+++ b/arch/arm64/boot/dts/qcom/sm8550-hdk.dts
@@ -941,7 +941,7 @@ &mdss_dp0 {
 
 &mdss_dp0_out {
 	remote-endpoint = <&usb_dp_qmpphy_dp_in>;
-	data-lanes = <0 1>;
+	data-lanes = <0 1 2 3>;
 };
 
 &pcie0 {
@@ -1280,6 +1280,7 @@ &usb_dp_qmpphy {
 	vdda-phy-supply = <&vreg_l3e_1p2>;
 	vdda-pll-supply = <&vreg_l3f_0p88>;
 
+	mode-switch;
 	orientation-switch;
 
 	status = "okay";
diff --git a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
index 39ba3e9969b7..fbac5270b4d7 100644
--- a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
+++ b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
@@ -795,7 +795,7 @@ &mdss_dp0 {
 };
 
 &mdss_dp0_out {
-	data-lanes = <0 1>;
+	data-lanes = <0 1 2 3>;
 	remote-endpoint = <&usb_dp_qmpphy_dp_in>;
 };
 
@@ -1142,6 +1142,7 @@ &usb_dp_qmpphy {
 	vdda-phy-supply = <&vreg_l3e_1p2>;
 	vdda-pll-supply = <&vreg_l3f_0p88>;
 
+	mode-switch;
 	orientation-switch;
 
 	status = "okay";

-- 
2.34.1