MIPS: dts: correct gpio-keys names and properties

gpio-keys children do not use unit addresses.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

arch/mips/boot/dts/img/pistachio_marduk.dts

@@ -59,12 +59,12 @@ led-1 {
 
 	keys {
 		compatible = "gpio-keys";
-		button@1 {
+		button-1 {
 			label = "Button 1";
 			linux,code = <0x101>; /* BTN_1 */
 			gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
 		};
-		button@2 {
+		button-2 {
 			label = "Button 2";
 			linux,code = <0x102>; /* BTN_2 */
 			gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;

arch/mips/boot/dts/ingenic/gcw0.dts

@@ -130,89 +130,86 @@ backlight: backlight {
 
 	gpio-keys {
 		compatible = "gpio-keys";
-		#address-cells = <1>;
-		#size-cells = <0>;
-
 		autorepeat;
 
-		button@0 {
+		button-0 {
 			label = "D-pad up";
 			linux,code = <KEY_UP>;
 			linux,can-disable;
 			gpios = <&gpe 21 GPIO_ACTIVE_LOW>;
 		};
 
-		button@1 {
+		button-1 {
 			label = "D-pad down";
 			linux,code = <KEY_DOWN>;
 			linux,can-disable;
 			gpios = <&gpe 25 GPIO_ACTIVE_LOW>;
 		};
 
-		button@2 {
+		button-2 {
 			label = "D-pad left";
 			linux,code = <KEY_LEFT>;
 			linux,can-disable;
 			gpios = <&gpe 23 GPIO_ACTIVE_LOW>;
 		};
 
-		button@3 {
+		button-3 {
 			label = "D-pad right";
 			linux,code = <KEY_RIGHT>;
 			linux,can-disable;
 			gpios = <&gpe 24 GPIO_ACTIVE_LOW>;
 		};
 
-		button@4 {
+		button-4 {
 			label = "Button A";
 			linux,code = <KEY_LEFTCTRL>;
 			linux,can-disable;
 			gpios = <&gpe 29 GPIO_ACTIVE_LOW>;
 		};
 
-		button@5 {
+		button-5 {
 			label = "Button B";
 			linux,code = <KEY_LEFTALT>;
 			linux,can-disable;
 			gpios = <&gpe 20 GPIO_ACTIVE_LOW>;
 		};
 
-		button@6 {
+		button-6 {
 			label = "Button Y";
 			linux,code = <KEY_SPACE>;
 			linux,can-disable;
 			gpios = <&gpe 27 GPIO_ACTIVE_LOW>;
 		};
 
-		button@7 {
+		button-7 {
 			label = "Button X";
 			linux,code = <KEY_LEFTSHIFT>;
 			linux,can-disable;
 			gpios = <&gpe 28 GPIO_ACTIVE_LOW>;
 		};
 
-		button@8 {
+		button-8 {
 			label = "Left shoulder button";
 			linux,code = <KEY_TAB>;
 			linux,can-disable;
 			gpios = <&gpb 20 GPIO_ACTIVE_LOW>;
 		};
 
-		button@9 {
+		button-9 {
 			label = "Right shoulder button";
 			linux,code = <KEY_BACKSPACE>;
 			linux,can-disable;
 			gpios = <&gpe 26 GPIO_ACTIVE_LOW>;
 		};
 
-		button@10 {
+		button-10 {
 			label = "Start button";
 			linux,code = <KEY_ENTER>;
 			linux,can-disable;
 			gpios = <&gpb 21 GPIO_ACTIVE_LOW>;
 		};
 
-		button@11 {
+		button-11 {
 			label = "Select button";
 			linux,code = <KEY_ESC>;
 			linux,can-disable;
@@ -223,7 +220,7 @@ button@11 {
 			gpios = <&gpd 18 GPIO_ACTIVE_HIGH>;
 		};
 
-		button@12 {
+		button-12 {
 			label = "Power slider";
 			linux,code = <KEY_POWER>;
 			linux,can-disable;
@@ -231,7 +228,7 @@ button@12 {
 			wakeup-source;
 		};
 
-		button@13 {
+		button-13 {
 			label = "Power hold";
 			linux,code = <KEY_PAUSE>;
 			linux,can-disable;

arch/mips/boot/dts/ingenic/rs90.dts

@@ -52,53 +52,51 @@ backlight: backlight {
 
 	keys@0 {
 		compatible = "gpio-keys";
-		#address-cells = <1>;
-		#size-cells = <0>;
 
-		key@0 {
+		key-0 {
 			label = "D-pad up";
 			linux,code = <KEY_UP>;
 			gpios = <&gpc 10 GPIO_ACTIVE_LOW>;
 		};
 
-		key@1 {
+		key-1 {
 			label = "D-pad down";
 			linux,code = <KEY_DOWN>;
 			gpios = <&gpc 11 GPIO_ACTIVE_LOW>;
 		};
 
-		key@2 {
+		key-2 {
 			label = "D-pad left";
 			linux,code = <KEY_LEFT>;
 			gpios = <&gpb 31 GPIO_ACTIVE_LOW>;
 		};
 
-		key@3 {
+		key-3 {
 			label = "D-pad right";
 			linux,code = <KEY_RIGHT>;
 			gpios = <&gpd 21 GPIO_ACTIVE_LOW>;
 		};
 
-		key@4 {
+		key-4 {
 			label = "Button A";
 			linux,code = <KEY_LEFTCTRL>;
 			gpios = <&gpc 31 GPIO_ACTIVE_LOW>;
 		};
 
-		key@5 {
+		key-5 {
 			label = "Button B";
 			linux,code = <KEY_LEFTALT>;
 			gpios = <&gpc 30 GPIO_ACTIVE_LOW>;
 		};
 
-		key@6 {
+		key-6 {
 			label = "Right shoulder button";
 			linux,code = <KEY_BACKSPACE>;
 			gpios = <&gpc 12 GPIO_ACTIVE_LOW>;
 			debounce-interval = <10>;
 		};
 
-		key@7 {
+		key-7 {
 			label = "Start button";
 			linux,code = <KEY_ENTER>;
 			gpios = <&gpd 17 GPIO_ACTIVE_LOW>;

arch/mips/boot/dts/pic32/pic32mzda_sk.dts

@@ -52,22 +52,19 @@ keys0 {
 		pinctrl-0 = <&user_buttons_s0>;
 		pinctrl-names = "default";
 
-		#address-cells = <1>;
-		#size-cells = <0>;
-
-		button@sw1 {
+		button-1 {
 			label = "ESC";
 			linux,code = <1>;
 			gpios = <&gpio1 12 0>;
 		};
 
-		button@sw2 {
+		button-2 {
 			label = "Home";
 			linux,code = <102>;
 			gpios = <&gpio1 13 0>;
 		};
 
-		button@sw3 {
+		button-3 {
 			label = "Menu";
 			linux,code = <139>;
 			gpios = <&gpio1 14 0>;

arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts

@@ -23,17 +23,15 @@ extosc: ref {
 
 	gpio-keys {
 		compatible = "gpio-keys";
-		#address-cells = <1>;
-		#size-cells = <0>;
 
-		button@0 {
+		button-0 {
 			label = "reset";
 			linux,code = <KEY_RESTART>;
 			gpios = <&gpio 3 GPIO_ACTIVE_LOW>;
 			debounce-interval = <60>;
 		};
 
-		button@1 {
+		button-1 {
 			label = "qss";
 			linux,code = <KEY_WPS_BUTTON>;
 			gpios = <&gpio 7 GPIO_ACTIVE_LOW>;

arch/mips/boot/dts/qca/ar9331_dpt_module.dts

@@ -33,10 +33,8 @@ led-0 {
 
 	gpio-keys {
 		compatible = "gpio-keys";
-		#address-cells = <1>;
-		#size-cells = <0>;
 
-		button@0 {
+		button-0 {
 			label = "reset";
 			linux,code = <KEY_RESTART>;
 			gpios = <&gpio 11 GPIO_ACTIVE_LOW>;

arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts

@@ -49,16 +49,14 @@ system {
 
 	gpio-keys {
 		compatible = "gpio-keys";
-		#address-cells = <1>;
-		#size-cells = <0>;
 
-		button@0 {
+		button-0 {
 			label = "jumpstart";
 			linux,code = <KEY_WPS_BUTTON>;
 			gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
 		};
 
-		button@1 {
+		button-1 {
 			label = "reset";
 			linux,code = <KEY_RESTART>;
 			gpios = <&gpio 12 GPIO_ACTIVE_LOW>;

arch/mips/boot/dts/qca/ar9331_omega.dts

@@ -31,10 +31,8 @@ system {
 
 	gpio-keys {
 		compatible = "gpio-keys";
-		#address-cells = <1>;
-		#size-cells = <0>;
 
-		button@0 {
+		button-0 {
 			label = "reset";
 			linux,code = <KEY_RESTART>;
 			gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;

arch/mips/boot/dts/qca/ar9331_openembed_som9331_board.dts

@@ -33,10 +33,8 @@ led-0 {
 
 	gpio-keys {
 		compatible = "gpio-keys";
-		#address-cells = <1>;
-		#size-cells = <0>;
 
-		button@0 {
+		button-0 {
 			label = "reset";
 			linux,code = <KEY_RESTART>;
 			gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;

arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts

@@ -49,22 +49,20 @@ led3g {
 
 	gpio-keys {
 		compatible = "gpio-keys";
-		#address-cells = <1>;
-		#size-cells = <0>;
 
-		button@0 {
+		button-0 {
 			label = "wps";
 			linux,code = <KEY_WPS_BUTTON>;
 			gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;
 		};
 
-		button@1 {
+		button-1 {
 			label = "sw1";
 			linux,code = <BTN_0>;
 			gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
 		};
 
-		button@2 {
+		button-2 {
 			label = "sw2";
 			linux,code = <BTN_1>;
 			gpios = <&gpio 20 GPIO_ACTIVE_HIGH>;