diff --git a/arch/arm/boot/dts/sun9i-a80-optimus.dts b/arch/arm/boot/dts/sun9i-a80-optimus.dts
index 58a199b0e494..1ee2792b3a27 100644
--- a/arch/arm/boot/dts/sun9i-a80-optimus.dts
+++ b/arch/arm/boot/dts/sun9i-a80-optimus.dts
@@ -213,6 +213,10 @@ reg_dc5ldo: dc5ldo {
 				regulator-name = "vdd-cpus-09-usbh";
 			};
 
+			dc1sw {
+				/* unused */
+			};
+
 			reg_dcdc1: dcdc1 {
 				regulator-always-on;
 				regulator-min-microvolt = <3000000>;