diff --git a/arch/arm64/boot/dts/rockchip/rk3399-sapphire-excavator-linux.dts b/arch/arm64/boot/dts/rockchip/rk3399-sapphire-excavator-linux.dts
index 3f0995016bb6..5542c0a0ec8a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-sapphire-excavator-linux.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-sapphire-excavator-linux.dts
@@ -80,6 +80,10 @@
 	};
 };
 
+&backlight {
+	status = "okay";
+};
+
 &display_subsystem {
 	status = "okay";
 };