diff --git a/arch/arm/boot/dts/rk3288-evb-rk1608.dts b/arch/arm/boot/dts/rk3288-evb-rk1608.dts
index fc4b8a993c38..42fee1b7e109 100644
--- a/arch/arm/boot/dts/rk3288-evb-rk1608.dts
+++ b/arch/arm/boot/dts/rk3288-evb-rk1608.dts
@@ -616,6 +616,7 @@
 &io_domains {
 	status = "okay";
 
+	bb-supply = <&vcc_18>;
 	sdcard-supply = <&vccio_sd>;
 	wifi-supply = <&vcc_18>;
 };