diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index e729e7a22b23..06af280083ae 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -916,6 +916,8 @@
 		resets = <&cru SRST_GMAC2IO_A>;
 		reset-names = "stmmaceth";
 		rockchip,grf = <&grf>;
+		tx-fifo-depth = <2048>;
+		rx-fifo-depth = <4096>;
 		snps,txpbl = <0x4>;
 		status = "disabled";
 	};
@@ -938,6 +940,8 @@
 		reset-names = "stmmaceth";
 		phy-mode = "rmii";
 		phy-handle = <&phy>;
+		tx-fifo-depth = <2048>;
+		rx-fifo-depth = <4096>;
 		snps,txpbl = <0x4>;
 		clock_in_out = "output";
 		status = "disabled";