[PATCH v2 4/6] arm64: dts: imx8mp-evk: add usb3_phy1 tuning properties

From: Xu Yang

Date: Mon Apr 27 2026 - 04:26:54 EST


Add some tuning properties for usb3_phy1 to improve signal.

Signed-off-by: Xu Yang <xu.yang_2@xxxxxxx>

---
Changes in v2:
- new patch
---
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 9ffbb5c04f69..9dab374e425a 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -909,6 +909,8 @@ usb3_data_hs: endpoint {
};

&usb3_phy1 {
+ fsl,phy-tx-preemp-amp-tune-microamp = <1800>;
+ fsl,phy-tx-vref-tune-percent = <116>;
status = "okay";
};

--
2.34.1