diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
index 0813c0c5abde..b7ca6e390646 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
@@ -20,6 +20,13 @@
 		stdout-path = "serial2:1500000n8";
 	};
 
+	gmac1_clkin: external-gmac1-clock {
+		compatible = "fixed-clock";
+		clock-frequency = <125000000>;
+		clock-output-names = "gmac1_clkin";
+		#clock-cells = <0>;
+	};
+
 	leds {
 		compatible = "gpio-leds";
 
@@ -146,18 +153,28 @@
 };
 
 &gmac1 {
+	snps,reset-gpio = <&gpio3 RK_PB0 GPIO_ACTIVE_LOW>;
+	snps,reset-active-low;
+	/* Reset time is 20ms, 100ms for rtl8211f */
+	snps,reset-delays-us = <0 20000 100000>;
+
 	assigned-clocks = <&cru SCLK_GMAC1_RX_TX>, <&cru SCLK_GMAC1>;
-	assigned-clock-parents = <&cru SCLK_GMAC1_RGMII_SPEED>;
-	assigned-clock-rates = <0>, <125000000>;
-	clock_in_out = "output";
+	assigned-clock-parents = <&cru SCLK_GMAC1_RGMII_SPEED>, <&gmac1_clkin>;
+	clock_in_out = "input";
 	phy-handle = <&rgmii_phy1>;
-	phy-mode = "rgmii-id";
+	phy-mode = "rgmii";
+
 	pinctrl-names = "default";
 	pinctrl-0 = <&gmac1m1_miim
 		     &gmac1m1_tx_bus2
 		     &gmac1m1_rx_bus2
 		     &gmac1m1_rgmii_clk
-		     &gmac1m1_rgmii_bus>;
+		     &gmac1m1_rgmii_bus
+		     &gmac1m1_clkinout>;
+
+	tx_delay = <0x4f>;
+	rx_delay = <0x26>;
+
 	status = "okay";
 };
 
@@ -415,11 +432,6 @@
 	rgmii_phy1: ethernet-phy@0 {
 		compatible = "ethernet-phy-ieee802.3-c22";
 		reg = <0x0>;
-		pinctrl-names = "default";
-		pinctrl-0 = <&eth_phy_rst>;
-		reset-assert-us = <20000>;
-		reset-deassert-us = <100000>;
-		reset-gpios = <&gpio3 RK_PB0 GPIO_ACTIVE_LOW>;
 	};
 };