diff --git a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dtsi
index 81ba045e0e0e..afa9e3b2b16a 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dtsi
@@ -40,6 +40,10 @@ reg_3p3v: regulator-3p3v {
 	};
 };
 
+&cci {
+	proc-supply = <&rt5190_buck3>;
+};
+
 &cpu0 {
 	proc-supply = <&rt5190_buck3>;
 };