diff --git a/arch/arm64/boot/dts/rockchip/rk3588-evb1-lp4.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-evb1-lp4.dtsi
index e769fc34f4fc..a0da501010c0 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-evb1-lp4.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-evb1-lp4.dtsi
@@ -276,8 +276,8 @@
 		     &gmac0_rgmii_clk
 		     &gmac0_rgmii_bus>;
 
-	tx_delay = <0x5c>;
-	/* rx_delay = <0x4f>; */
+	tx_delay = <0x43>;
+	/* rx_delay = <0x3f>; */
 
 	phy-handle = <&rgmii_phy>;
 	status = "okay";
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-evb2-lp4.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-evb2-lp4.dtsi
index 171da6fea68a..668d4c50e7c4 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-evb2-lp4.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-evb2-lp4.dtsi
@@ -241,8 +241,8 @@
 		     &gmac1_rgmii_clk
 		     &gmac1_rgmii_bus>;
 
-	tx_delay = <0x5c>;
-	/* rx_delay = <0x4f>; */
+	tx_delay = <0x45>;
+	/* rx_delay = <0x3f>; */
 
 	phy-handle = <&rgmii_phy>;
 	status = "okay";