ARM: dts: exynos: align gpio-key node names with dtschema

The node names should be generic and DT schema expects certain pattern
(e.g. with key/button/switch).
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220609114047.380793-8-krzysztof.kozlowski@linaro.org

arch/arm/boot/dts/exynos4210-i9100.dts

@@ -89,21 +89,21 @@ vt_core_15v_reg: regulator-5 {
 	gpio-keys {
 		compatible = "gpio-keys";
 
-		vol-down {
+		key-vol-down {
 			gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_VOLUMEDOWN>;
 			label = "volume down";
 			debounce-interval = <10>;
 		};
 
-		vol-up {
+		key-vol-up {
 			gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_VOLUMEUP>;
 			label = "volume up";
 			debounce-interval = <10>;
 		};
 
-		power {
+		key-power {
 			gpios = <&gpx2 7 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_POWER>;
 			label = "power";
@@ -111,7 +111,7 @@ power {
 			wakeup-source;
 		};
 
-		ok {
+		key-ok {
 			gpios = <&gpx3 5 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_OK>;
 			label = "ok";

arch/arm/boot/dts/exynos4210-origen.dts

@@ -46,35 +46,35 @@ mmc_reg: voltage-regulator {
 	gpio-keys {
 		compatible = "gpio-keys";
 
-		up {
+		key-up {
 			label = "Up";
 			gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_UP>;
 			wakeup-source;
 		};
 
-		down {
+		key-down {
 			label = "Down";
 			gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_DOWN>;
 			wakeup-source;
 		};
 
-		back {
+		key-back {
 			label = "Back";
 			gpios = <&gpx1 7 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_BACK>;
 			wakeup-source;
 		};
 
-		home {
+		key-home {
 			label = "Home";
 			gpios = <&gpx1 6 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_HOME>;
 			wakeup-source;
 		};
 
-		menu {
+		key-menu {
 			label = "Menu";
 			gpios = <&gpx1 5 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_MENU>;

arch/arm/boot/dts/exynos4412-itop-elite.dts

@@ -44,31 +44,31 @@ led3 {
 	gpio-keys {
 		compatible = "gpio-keys";
 
-		home {
+		key-home {
 			label = "GPIO Key Home";
 			linux,code = <KEY_HOME>;
 			gpios = <&gpx1 1 GPIO_ACTIVE_LOW>;
 		};
 
-		back {
+		key-back {
 			label = "GPIO Key Back";
 			linux,code = <KEY_BACK>;
 			gpios = <&gpx1 2 GPIO_ACTIVE_LOW>;
 		};
 
-		sleep {
+		key-sleep {
 			label = "GPIO Key Sleep";
 			linux,code = <KEY_POWER>;
 			gpios = <&gpx3 3 GPIO_ACTIVE_LOW>;
 		};
 
-		vol-up {
+		key-vol-up {
 			label = "GPIO Key Vol+";
 			linux,code = <KEY_UP>;
 			gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
 		};
 
-		vol-down {
+		key-vol-down {
 			label = "GPIO Key Vol-";
 			linux,code = <KEY_DOWN>;
 			gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;

arch/arm/boot/dts/exynos5250-arndale.dts

@@ -30,42 +30,42 @@ chosen {
 	gpio-keys {
 		compatible = "gpio-keys";
 
-		menu {
+		key-menu {
 			label = "SW-TACT2";
 			gpios = <&gpx1 4 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_MENU>;
 			wakeup-source;
 		};
 
-		home {
+		key-home {
 			label = "SW-TACT3";
 			gpios = <&gpx1 5 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_HOME>;
 			wakeup-source;
 		};
 
-		up {
+		key-up {
 			label = "SW-TACT4";
 			gpios = <&gpx1 6 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_UP>;
 			wakeup-source;
 		};
 
-		down {
+		key-down {
 			label = "SW-TACT5";
 			gpios = <&gpx1 7 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_DOWN>;
 			wakeup-source;
 		};
 
-		back {
+		key-back {
 			label = "SW-TACT6";
 			gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_BACK>;
 			wakeup-source;
 		};
 
-		wakeup {
+		key-wakeup {
 			label = "SW-TACT7";
 			gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_WAKEUP>;

arch/arm/boot/dts/exynos5250-snow-common.dtsi

@@ -32,7 +32,7 @@ gpio-keys {
 		pinctrl-names = "default";
 		pinctrl-0 = <&power_key_irq &lid_irq>;
 
-		power {
+		power-key {
 			label = "Power";
 			gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_POWER>;

arch/arm/boot/dts/exynos5250-spring.dts

@@ -33,7 +33,7 @@ gpio-keys {
 		pinctrl-names = "default";
 		pinctrl-0 = <&power_key_irq>, <&lid_irq>;
 
-		power {
+		power-key {
 			label = "Power";
 			gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_POWER>;

arch/arm/boot/dts/exynos5420-arndale-octa.dts

@@ -42,7 +42,7 @@ oscclk {
 	gpio-keys {
 		compatible = "gpio-keys";
 
-		wakeup {
+		key-wakeup {
 			label = "SW-TACT1";
 			gpios = <&gpx2 7 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_WAKEUP>;

arch/arm/boot/dts/exynos5420-peach-pit.dts

@@ -60,7 +60,7 @@ gpio-keys {
 		pinctrl-names = "default";
 		pinctrl-0 = <&power_key_irq &lid_irq>;
 
-		power {
+		power-key {
 			label = "Power";
 			gpios = <&gpx1 2 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_POWER>;

arch/arm/boot/dts/exynos5800-peach-pi.dts

@@ -59,7 +59,7 @@ gpio-keys {
 		pinctrl-names = "default";
 		pinctrl-0 = <&power_key_irq &lid_irq>;
 
-		power {
+		power-key {
 			label = "Power";
 			gpios = <&gpx1 2 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_POWER>;