diff --git a/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts b/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts
index 714616618..b1fb824f3 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts
@@ -16,6 +16,11 @@
 	compatible = "kobol,helios64", "rockchip,rk3399";

+	chosen {
+		bootargs = "earlycon=uart8250,mmio32,0xff1a0000 earlyprintk";
+		stdout-path = "serial2:115200n8";
+	};
+
	adc-keys {
		compatible = "adc-keys";