diff --git a/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts b/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts
index 3918e2f6e8ca79d917c6e706378750a03ceff42b..a5ad945197e833487c0ce09bdc94bbaf84850730 100644
--- a/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts
+++ b/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts
@@ -23,6 +23,7 @@
 		mmc0: mmc@01c0f000 {
 			pinctrl-names = "default";
 			pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
+			vmmc-supply = <&reg_vcc3v3>;
 			bus-width = <4>;
 			cd-gpios = <&pio 7 1 0>; /* PH1 */
 			cd-inverted;
diff --git a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
index 9dbb763c8e2775e4973b29254b11094c0f99dc53..b7e79d0bf4a7e89dd13e25982e57bf8d22b65577 100644
--- a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
+++ b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
@@ -23,6 +23,7 @@
 		mmc0: mmc@01c0f000 {
 			pinctrl-names = "default";
 			pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
+			vmmc-supply = <&reg_vcc3v3>;
 			bus-width = <4>;
 			cd-gpios = <&pio 7 1 0>; /* PH1 */
 			cd-inverted;
diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
index 1bfef12cf9d1f351dd292acefe3ff46166ca81c2..b759630bc9a99d9461d8bb171274881dca59c016 100644
--- a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
+++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
@@ -34,6 +34,7 @@
 		mmc0: mmc@01c0f000 {
 			pinctrl-names = "default";
 			pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
+			vmmc-supply = <&reg_vcc3v3>;
 			bus-width = <4>;
 			cd-gpios = <&pio 7 1 0>; /* PH1 */
 			cd-inverted;
@@ -43,6 +44,7 @@
 		mmc3: mmc@01c12000 {
 			pinctrl-names = "default";
 			pinctrl-0 = <&mmc3_pins_a>, <&mmc3_cd_pin_olinuxinom>;
+			vmmc-supply = <&reg_vcc3v3>;
 			bus-width = <4>;
 			cd-gpios = <&pio 7 11 0>; /* PH11 */
 			cd-inverted;