--- a/arch/arm64/boot/dts/rockchip/rk3568.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
@@ -173,11 +173,13 @@
 		clocks = <&cru SCLK_GMAC0>, <&cru SCLK_GMAC0_RX_TX>,
 			 <&cru SCLK_GMAC0_RX_TX>, <&cru CLK_MAC0_REFOUT>,
 			 <&cru ACLK_GMAC0>, <&cru PCLK_GMAC0>,
-			 <&cru SCLK_GMAC0_RX_TX>, <&cru CLK_GMAC0_PTP_REF>;
+			 <&cru SCLK_GMAC0_RX_TX>, <&cru CLK_GMAC0_PTP_REF>,
+			 <&cru PCLK_XPCS>;
 		clock-names = "stmmaceth", "mac_clk_rx",
 			      "mac_clk_tx", "clk_mac_refout",
 			      "aclk_mac", "pclk_mac",
-			      "clk_mac_speed", "ptp_ref";
+			      "clk_mac_speed", "ptp_ref",
+			      "pclk_xpcs";
 		resets = <&cru SRST_A_GMAC0>;
 		reset-names = "stmmaceth";
 		rockchip,grf = <&grf>;
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -376,6 +376,12 @@
 		status = "disabled";
 	};
 
+	xpcs: syscon@fda00000 {
+		compatible = "rockchip,rk3568-xpcs", "syscon";
+		reg = <0x0 0xfda00000 0x0 0x200000>;
+		status = "disabled";
+	};
+
 	pmugrf: syscon@fdc20000 {
 		compatible = "rockchip,rk3568-pmugrf", "syscon", "simple-mfd";
 		reg = <0x0 0xfdc20000 0x0 0x10000>;