diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index f050c7ee4609..4298601b0fc5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -1155,6 +1155,7 @@
 		clock-names = "aclk", "aclk-perf",
 			      "hclk", "pm";
 		bus-range = <0x0 0x1>;
+		max-link-speed = <1>;
 		msi-map = <0x0 &its 0x0 0x1000>;
 		interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH 0>,
 			     <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH 0>,