diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb6-ddr3-v10.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-evb6-ddr3-v10.dtsi
index 2023441a5dbf..d7fde1ee9cfe 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-evb6-ddr3-v10.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568-evb6-ddr3-v10.dtsi
@@ -265,8 +265,8 @@ &gmac1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&gmac1m0_miim_pins &gmac1m0_rgmii_pins>;
 
-	tx_delay = <0x2a>;
-	rx_delay = <0x1a>;
+	tx_delay = <0x46>;
+	rx_delay = <0x2f>;
 
 	phy-handle = <&rgmii_phy1>;
 	status = "okay";