diff --git a/arch/arm64/boot/dts/rockchip/rk3308b-evb-v10.dtsi b/arch/arm64/boot/dts/rockchip/rk3308b-evb-v10.dtsi
index 36d66e622134..f2cdc0a74837 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308b-evb-v10.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3308b-evb-v10.dtsi
@@ -206,8 +206,9 @@
 		regulator-name = "vccio_flash";
 		regulator-always-on;
 		regulator-boot-on;
-		regulator-min-microvolt = <1800000>;
-		regulator-max-microvolt = <1800000>;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc_io>;
 	};
 
 	vcc_phy: vcc-phy-regulator {