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

Xu Yang xu.yang_2 at nxp.com
Mon Apr 27 01:27:26 PDT 2026


Add some tuning properties for usb3_phy1 to improve signal.

Signed-off-by: Xu Yang <xu.yang_2 at nxp.com>

---
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




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