Commit 5a796a70 authored Aug 21, 2025 by Xu Yang Committed by Shawn Guo Aug 22, 2025

arm64: dts: imx95: add fsl,phy-tx-vref-tune-percent tuning properties for USB3 PHY



Add it to improve USB signal quality.

Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

parent 22df6943

arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts

+1 −0

Original line number	Diff line number	Diff line
		@@ -1099,6 +1099,7 @@ &usb3_phy {
		fsl,phy-pcs-tx-swing-full-percent = <100>;
		fsl,phy-tx-preemp-amp-tune-microamp = <600>;
		fsl,phy-tx-vboost-level-microvolt = <1156>;
		fsl,phy-tx-vref-tune-percent = <100>;
		status = "okay";

		port {

arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts

+1 −0

Original line number	Diff line number	Diff line
		@@ -643,6 +643,7 @@ &usb3_phy {
		fsl,phy-pcs-tx-swing-full-percent = <100>;
		fsl,phy-tx-preemp-amp-tune-microamp = <600>;
		fsl,phy-tx-vboost-level-microvolt = <1156>;
		fsl,phy-tx-vref-tune-percent = <100>;
		orientation-switch;
		status = "okay";