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

[Xu Yang]

Add it to improve USB signal quality.

Signed-off-by: Xu Yang <xu.yang_2 at nxp.com>
---
 arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts | 1 +
 arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
index 46f6e0fbf2b0..f0aff01cefbf 100644
--- a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
@@ -1082,6 +1082,7 @@ &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 {
diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
index 2f949a0d48d2..064bc508eb1b 100644
--- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
@@ -622,6 +622,7 @@ &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";
 
-- 
2.34.1