From: Jens Glathe <jens.glathe@oldschoolsolutions.biz>

The usb_1_ss2 complex has 2 phys, usb_1_ss2_hsphy and usb_1_ss2_qmpphy. On this
laptop, they are used for different peripherals: The hsphy for the fingerprint
reader, the qmpphy to drive a hdmi bridge. The normal logical wiring for the dwc3
controller is to both phys. Delete the port@1 to the qmpphy.

Signed-off-by: Jens Glathe <jens.glathe@oldschoolsolutions.biz>
---
 arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts b/arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts
index 3186e79e862de67cbda48a4b85a459e6e965ba65..b4a40904f0a01b36ff2fc72e801a5fe7d6971e2a 100644
--- a/arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts
+++ b/arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts
@@ -1560,6 +1560,8 @@ &usb_1_ss2_dwc3 {
 	maximum-speed = "high-speed";
 	phys = <&usb_1_ss2_hsphy>;
 	phy-names = "usb2-phy";
+
+	/delete-property/ port@1;
 };
 
 &usb_1_ss2_hsphy {

-- 
2.51.0

On Sat, Jan 03, 2026 at 10:00:23AM +0100, Jens Glathe via B4 Relay wrote:
> From: Jens Glathe <jens.glathe@oldschoolsolutions.biz>
> 
> The usb_1_ss2 complex has 2 phys, usb_1_ss2_hsphy and usb_1_ss2_qmpphy. On this
> laptop, they are used for different peripherals: The hsphy for the fingerprint
> reader, the qmpphy to drive a hdmi bridge. The normal logical wiring for the dwc3
> controller is to both phys. Delete the port@1 to the qmpphy.
> 
> Signed-off-by: Jens Glathe <jens.glathe@oldschoolsolutions.biz>
> ---
>  arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts | 2 ++
>  1 file changed, 2 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>


-- 
With best wishes
Dmitry