[PATCH 5/5] arm64: dts: qcom: x1: disable ps883x USB4 capability
From: Jens Glathe via B4 Relay
Date: Sat Jul 18 2026 - 13:10:08 EST
From: Jens Glathe <jens.glathe@xxxxxxxxxxxxxxxxxxxxxx>
Add the "parade,disable-usb4" property to the PS883x node so that the
retimer driver treats USB4 as USB3. This allows the combo PHY to remain
in a DP-capable mode, restoring working DisplayPort output over the
dock while keeping USB functional.
This is a temporary platform workaround until proper USB4 DP tunneling
support is available.
Signed-off-by: Jens Glathe <jens.glathe@xxxxxxxxxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts | 4 ++++
arch/arm64/boot/dts/qcom/hamoa-lenovo-ideacentre-mini-01q8x10.dts | 2 ++
arch/arm64/boot/dts/qcom/purwa-iot-evk.dts | 6 ++++++
arch/arm64/boot/dts/qcom/x1-asus-vivobook-s15.dtsi | 4 ++++
arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi | 4 ++++
arch/arm64/boot/dts/qcom/x1-crd.dtsi | 6 ++++++
arch/arm64/boot/dts/qcom/x1-dell-thena.dtsi | 4 ++++
arch/arm64/boot/dts/qcom/x1-hp-omnibook-x14.dtsi | 2 ++
arch/arm64/boot/dts/qcom/x1-microsoft-denali.dtsi | 4 ++++
arch/arm64/boot/dts/qcom/x1e001de-devkit.dts | 6 ++++++
arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi | 4 ++++
arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts | 4 ++++
arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts | 6 ++++++
arch/arm64/boot/dts/qcom/x1e80100-medion-sprchrgd-14-s1.dts | 2 ++
arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi | 4 ++++
15 files changed, 62 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts b/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
index 9fa86bb6438ec..5ec77c5912f8e 100644
--- a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
+++ b/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
@@ -762,6 +762,8 @@ typec-mux@8 {
orientation-switch;
retimer-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
@@ -877,6 +879,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/qcom/hamoa-lenovo-ideacentre-mini-01q8x10.dts b/arch/arm64/boot/dts/qcom/hamoa-lenovo-ideacentre-mini-01q8x10.dts
index bfb7cea56df96..328a360843f4c 100644
--- a/arch/arm64/boot/dts/qcom/hamoa-lenovo-ideacentre-mini-01q8x10.dts
+++ b/arch/arm64/boot/dts/qcom/hamoa-lenovo-ideacentre-mini-01q8x10.dts
@@ -601,6 +601,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts b/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts
index ad503beec1d3d..9ce080b9ae896 100644
--- a/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts
+++ b/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts
@@ -703,6 +703,8 @@ typec-mux@8 {
orientation-switch;
retimer-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
@@ -760,6 +762,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
@@ -865,6 +869,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/qcom/x1-asus-vivobook-s15.dtsi b/arch/arm64/boot/dts/qcom/x1-asus-vivobook-s15.dtsi
index 48c4ad648354e..d67ded1da5875 100644
--- a/arch/arm64/boot/dts/qcom/x1-asus-vivobook-s15.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1-asus-vivobook-s15.dtsi
@@ -678,6 +678,8 @@ typec-mux@8 {
orientation-switch;
retimer-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
@@ -798,6 +800,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi b/arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi
index 66d566808f583..e1033d3bef359 100644
--- a/arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi
@@ -845,6 +845,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
@@ -945,6 +947,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/qcom/x1-crd.dtsi b/arch/arm64/boot/dts/qcom/x1-crd.dtsi
index 9602d65c8b3db..002a974c88751 100644
--- a/arch/arm64/boot/dts/qcom/x1-crd.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1-crd.dtsi
@@ -967,6 +967,8 @@ typec-mux@8 {
orientation-switch;
retimer-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
@@ -1024,6 +1026,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
@@ -1112,6 +1116,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/qcom/x1-dell-thena.dtsi b/arch/arm64/boot/dts/qcom/x1-dell-thena.dtsi
index d6de4da02dcd3..fa17cdafc07b4 100644
--- a/arch/arm64/boot/dts/qcom/x1-dell-thena.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1-dell-thena.dtsi
@@ -852,6 +852,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
@@ -947,6 +949,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/qcom/x1-hp-omnibook-x14.dtsi b/arch/arm64/boot/dts/qcom/x1-hp-omnibook-x14.dtsi
index 02708f23a8657..4dd62092b8809 100644
--- a/arch/arm64/boot/dts/qcom/x1-hp-omnibook-x14.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1-hp-omnibook-x14.dtsi
@@ -917,6 +917,8 @@ typec-mux@8 {
orientation-switch;
retimer-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/qcom/x1-microsoft-denali.dtsi b/arch/arm64/boot/dts/qcom/x1-microsoft-denali.dtsi
index 7559557610ed4..1aa075d6eeda5 100644
--- a/arch/arm64/boot/dts/qcom/x1-microsoft-denali.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1-microsoft-denali.dtsi
@@ -759,6 +759,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
@@ -822,6 +824,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts b/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts
index 2e38402e2c140..ada5da526634a 100644
--- a/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts
+++ b/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts
@@ -795,6 +795,8 @@ typec-mux@8 {
orientation-switch;
retimer-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
@@ -852,6 +854,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
@@ -943,6 +947,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi
index 5d49df41be02a..c8bfb38c64ad5 100644
--- a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi
@@ -895,6 +895,8 @@ typec-mux@8 {
orientation-switch;
retimer-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
@@ -1018,6 +1020,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts b/arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts
index ce7b10ea89b6d..11412099eaec1 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts
+++ b/arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts
@@ -726,6 +726,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
@@ -789,6 +791,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
index beb1475d7fa0c..d16d3627796b8 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
+++ b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
@@ -863,6 +863,8 @@ typec-mux@8 {
orientation-switch;
retimer-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
@@ -920,6 +922,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
@@ -977,6 +981,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/qcom/x1e80100-medion-sprchrgd-14-s1.dts b/arch/arm64/boot/dts/qcom/x1e80100-medion-sprchrgd-14-s1.dts
index f95b1f9f439d3..55f9df8e5f403 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-medion-sprchrgd-14-s1.dts
+++ b/arch/arm64/boot/dts/qcom/x1e80100-medion-sprchrgd-14-s1.dts
@@ -857,6 +857,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi b/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
index 28342cb84ded7..4ccfbe7e14eb8 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
@@ -902,6 +902,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
@@ -984,6 +986,8 @@ typec-mux@8 {
retimer-switch;
orientation-switch;
+ parade,disable-usb4;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
--
2.53.0