From 05d5a7fcb2399d4398a651dcf3b4a01290418435 Mon Sep 17 00:00:00 2001
From: Xu Yang <xu.yang_2@nxp.com>
Date: Tue, 30 Jun 2026 18:36:27 +0800
Subject: [PATCH] arm64: dts: imx8mp-evk: add usb3_phy1 tuning properties

Add some tuning properties for usb3_phy1 to improve signal.

Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index 627fbe2b6a16..7bdd641292fb 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -936,6 +936,8 @@
 };
 
 &usb3_phy1 {
+	fsl,phy-tx-preemp-amp-tune-microamp = <1800>;
+	fsl,phy-tx-vref-tune-percent = <116>;
 	status = "okay";
 };