diff --git a/arch/arm/boot/dts/rv1126-iotest-v10.dts b/arch/arm/boot/dts/rv1126-iotest-v10.dts
index e1f131a0fb8e..cf2060e22ad0 100644
--- a/arch/arm/boot/dts/rv1126-iotest-v10.dts
+++ b/arch/arm/boot/dts/rv1126-iotest-v10.dts
@@ -309,6 +309,7 @@ &pmu_io_domains {
 
 	pmuio0-supply = <&vcc1v8_pmu>;
 	pmuio1-supply = <&vcc3v3_sys>;
+	vccio1-supply = <&vcc_1v8>;
 	vccio2-supply = <&vcc_3v3>;
 	vccio3-supply = <&vcc_3v3>;
 	vccio4-supply = <&vcc_3v3>;
diff --git a/arch/arm/boot/dts/rv11xx-evb-v10.dtsi b/arch/arm/boot/dts/rv11xx-evb-v10.dtsi
index eee86576a98e..de6fdc418e97 100644
--- a/arch/arm/boot/dts/rv11xx-evb-v10.dtsi
+++ b/arch/arm/boot/dts/rv11xx-evb-v10.dtsi
@@ -864,6 +864,7 @@ &pmu_io_domains {
 
 	pmuio0-supply = <&vcc1v8_pmu>;
 	pmuio1-supply = <&vcc3v3_sys>;
+	vccio1-supply = <&vcc_1v8>;
 	vccio2-supply = <&vccio_sd>;
 	vccio3-supply = <&vcc_1v8>;
 	vccio4-supply = <&vcc_1v8>;