gpio-keys {
                compatible = "gpio-keys";
-               #address-cells = <1>;
-               #size-cells = <0>;
                autorepeat;
 
                pinctrl-names = "default";
                pinctrl-0 = <&msm_key_volp_n_default>;
 
-               button@0 {
+               button {
                        label = "Volume Up";
                        linux,code = <KEY_VOLUMEUP>;
                        gpios = <&msmgpio 107 GPIO_ACTIVE_LOW>;
 
 
        gpio-keys {
                compatible = "gpio-keys";
-               #address-cells = <1>;
-               #size-cells = <0>;
                autorepeat;
 
                pinctrl-names = "default";
                pinctrl-0 = <&volume_up_gpio>;
 
-               button@0 {
+               button {
                        label = "Volume Up";
                        linux,code = <KEY_VOLUMEUP>;
                        gpios = <&pm8994_gpios 2 GPIO_ACTIVE_LOW>;
 
 
        gpio-keys {
                compatible = "gpio-keys";
-               #address-cells = <1>;
-               #size-cells = <0>;
                autorepeat;
 
-               button@0 {
+               button {
                        label = "Volume Up";
                        gpios = <&pm8994_gpios 3 GPIO_ACTIVE_LOW>;
                        linux,input-type = <1>;
 
 
        gpio-keys {
                compatible = "gpio-keys";
-               #address-cells = <1>;
-               #size-cells = <0>;
                autorepeat;
 
-               button@0 {
+               button-0 {
                        label = "Volume Down";
                        gpios = <&pm8994_gpios 2 GPIO_ACTIVE_LOW>;
                        linux,input-type = <1>;
                        debounce-interval = <15>;
                };
 
-               button@1 {
+               button-1 {
                        label = "Volume Up";
                        gpios = <&pm8994_gpios 3 GPIO_ACTIVE_LOW>;
                        linux,input-type = <1>;
                        debounce-interval = <15>;
                };
 
-               button@2 {
+               button-2 {
                        label = "Camera Snapshot";
                        gpios = <&pm8994_gpios 4 GPIO_ACTIVE_LOW>;
                        linux,input-type = <1>;
                        debounce-interval = <15>;
                };
 
-               button@3 {
+               button-3 {
                        label = "Camera Focus";
                        gpios = <&pm8994_gpios 5 GPIO_ACTIVE_LOW>;
                        linux,input-type = <1>;
 
        gpio-keys {
                compatible = "gpio-keys";
                label = "Side buttons";
-               #address-cells = <1>;
-               #size-cells = <0>;
                pinctrl-names = "default";
                pinctrl-0 = <&vol_up_pin_a>, <&cam_focus_pin_a>,
                            <&cam_snapshot_pin_a>;
 
        gpio-keys {
                status = "okay";
                compatible = "gpio-keys";
-               #address-cells = <1>;
-               #size-cells = <0>;
 
                key-camera-focus {
                        label = "Camera Focus";
 
        gpio-keys {
                status = "okay";
                compatible = "gpio-keys";
-               #address-cells = <1>;
-               #size-cells = <0>;
                autorepeat;
 
                key-vol-dn {