diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
index a8e257b21a88..5ea499f349f6 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
@@ -849,6 +849,8 @@ w25q64dw: flash@0 {
 		compatible = "winbond,w25q64dw", "jedec,spi-nor";
 		reg = <0>;
 		spi-max-frequency = <25000000>;
+		/* Power actually controlled by security chip */
+		vcc-supply = <&pp1800_alw>;
 	};
 };