diff --git a/arch/arm/boot/dts/sun4i-a10-chuwi-v7-cw0825.dts b/arch/arm/boot/dts/sun4i-a10-chuwi-v7-cw0825.dts
index a7d61994b8fd272d2d4531fe15d1e4e8653622d3..68f68e74910ff1e7e700ea410125b19b696d5494 100644
--- a/arch/arm/boot/dts/sun4i-a10-chuwi-v7-cw0825.dts
+++ b/arch/arm/boot/dts/sun4i-a10-chuwi-v7-cw0825.dts
@@ -104,21 +104,21 @@
 	vref-supply = <&reg_vcc3v0>;
 	status = "okay";
 
-	button@800 {
+	button-800 {
 		label = "Volume Up";
 		linux,code = <KEY_VOLUMEUP>;
 		channel = <0>;
 		voltage = <800000>;
 	};
 
-	button@1000 {
+	button-1000 {
 		label = "Volume Down";
 		linux,code = <KEY_VOLUMEDOWN>;
 		channel = <0>;
 		voltage = <1000000>;
 	};
 
-	button@1200 {
+	button-1200 {
 		label = "Back";
 		linux,code = <KEY_BACK>;
 		channel = <0>;
diff --git a/arch/arm/boot/dts/sun4i-a10-dserve-dsrv9703c.dts b/arch/arm/boot/dts/sun4i-a10-dserve-dsrv9703c.dts
index a69bd560ceb750338a3af788590fd510832f539d..f3d0435fa7d1c3aee2e94a87faf6951436c4676b 100644
--- a/arch/arm/boot/dts/sun4i-a10-dserve-dsrv9703c.dts
+++ b/arch/arm/boot/dts/sun4i-a10-dserve-dsrv9703c.dts
@@ -138,14 +138,14 @@
 	vref-supply = <&reg_ldo2>;
 	status = "okay";
 
-	button@400 {
+	button-400 {
 		label = "Volume Down";
 		linux,code = <KEY_VOLUMEDOWN>;
 		channel = <0>;
 		voltage = <400000>;
 	};
 
-	button@800 {
+	button-800 {
 		label = "Volume Up";
 		linux,code = <KEY_VOLUMEUP>;
 		channel = <0>;
diff --git a/arch/arm/boot/dts/sun4i-a10-gemei-g9.dts b/arch/arm/boot/dts/sun4i-a10-gemei-g9.dts
index d347eaf6dfccf3ab6995b8aa80dd1679fe924d91..d97085c47001b48503d6bb0a4b89481b13ab2913 100644
--- a/arch/arm/boot/dts/sun4i-a10-gemei-g9.dts
+++ b/arch/arm/boot/dts/sun4i-a10-gemei-g9.dts
@@ -120,21 +120,21 @@
 
 	status = "okay";
 
-	button@158 {
+	button-158 {
 		label = "Volume Down";
 		linux,code = <KEY_VOLUMEDOWN>;
 		channel = <0>;
 		voltage = <158730>;
 	};
 
-	button@349 {
+	button-349 {
 		label = "Volume Up";
 		linux,code = <KEY_VOLUMEUP>;
 		channel = <0>;
 		voltage = <349206>;
 	};
 
-	button@1142 {
+	button-1142 {
 		label = "Esc";
 		linux,code = <KEY_ESC>;
 		channel = <0>;
diff --git a/arch/arm/boot/dts/sun4i-a10-inet1.dts b/arch/arm/boot/dts/sun4i-a10-inet1.dts
index f6673745cc90337ce01ce3a0dd1ac1d221a78eb1..7b3ebc354ac3118de6e01083eda0873bffd37678 100644
--- a/arch/arm/boot/dts/sun4i-a10-inet1.dts
+++ b/arch/arm/boot/dts/sun4i-a10-inet1.dts
@@ -133,21 +133,21 @@
 	vref-supply = <&reg_ldo2>;
 	status = "okay";
 
-	button@200 {
+	button-200 {
 		label = "Volume Up";
 		linux,code = <KEY_VOLUMEUP>;
 		channel = <0>;
 		voltage = <200000>;
 	};
 
-	button@1000 {
+	button-1000 {
 		label = "Volume Down";
 		linux,code = <KEY_VOLUMEDOWN>;
 		channel = <0>;
 		voltage = <1000000>;
 	};
 
-	button@1200 {
+	button-1200 {
 		label = "Home";
 		linux,code = <KEY_HOMEPAGE>;
 		channel = <0>;
diff --git a/arch/arm/boot/dts/sun4i-a10-inet97fv2.dts b/arch/arm/boot/dts/sun4i-a10-inet97fv2.dts
index a8e479fe43ca83acf8df79a637b0db864ddb74dc..f1b79a5ecb272ed707997a838b08f6233affa58a 100644
--- a/arch/arm/boot/dts/sun4i-a10-inet97fv2.dts
+++ b/arch/arm/boot/dts/sun4i-a10-inet97fv2.dts
@@ -109,35 +109,35 @@
 	vref-supply = <&reg_ldo2>;
 	status = "okay";
 
-	button@200 {
+	button-200 {
 		label = "Menu";
 		linux,code = <KEY_MENU>;
 		channel = <0>;
 		voltage = <200000>;
 	};
 
-	button@600 {
+	button-600 {
 		label = "Volume Up";
 		linux,code = <KEY_VOLUMEUP>;
 		channel = <0>;
 		voltage = <600000>;
 	};
 
-	button@800 {
+	button-800 {
 		label = "Volume Down";
 		linux,code = <KEY_VOLUMEDOWN>;
 		channel = <0>;
 		voltage = <800000>;
 	};
 
-	button@1000 {
+	button-1000 {
 		label = "Home";
 		linux,code = <KEY_HOMEPAGE>;
 		channel = <0>;
 		voltage = <1000000>;
 	};
 
-	button@1200 {
+	button-1200 {
 		label = "Esc";
 		linux,code = <KEY_ESC>;
 		channel = <0>;
diff --git a/arch/arm/boot/dts/sun4i-a10-inet9f-rev03.dts b/arch/arm/boot/dts/sun4i-a10-inet9f-rev03.dts
index fda6db5f00119b812c75d3d7ae4fdc893c33cf98..4fa5de28eddea5872c4de02e0f9a1d0b91bbbd00 100644
--- a/arch/arm/boot/dts/sun4i-a10-inet9f-rev03.dts
+++ b/arch/arm/boot/dts/sun4i-a10-inet9f-rev03.dts
@@ -267,35 +267,35 @@
 	vref-supply = <&reg_ldo2>;
 	status = "okay";
 
-	button@200 {
+	button-200 {
 		label = "Menu";
 		linux,code = <KEY_MENU>;
 		channel = <0>;
 		voltage = <200000>;
 	};
 
-	button@600 {
+	button-600 {
 		label = "Volume Up";
 		linux,code = <KEY_VOLUMEUP>;
 		channel = <0>;
 		voltage = <600000>;
 	};
 
-	button@800 {
+	button-800 {
 		label = "Volume Down";
 		linux,code = <KEY_VOLUMEDOWN>;
 		channel = <0>;
 		voltage = <800000>;
 	};
 
-	button@1000 {
+	button-1000 {
 		label = "Home";
 		linux,code = <KEY_HOMEPAGE>;
 		channel = <0>;
 		voltage = <1000000>;
 	};
 
-	button@1200 {
+	button-1200 {
 		label = "Esc";
 		linux,code = <KEY_ESC>;
 		channel = <0>;
diff --git a/arch/arm/boot/dts/sun4i-a10-pov-protab2-ips9.dts b/arch/arm/boot/dts/sun4i-a10-pov-protab2-ips9.dts
index d9195118cf5ec9bcae99adcb3b9d7f0a7082fcd4..1385a20f23296d79b04b16a09c1b73bab746561e 100644
--- a/arch/arm/boot/dts/sun4i-a10-pov-protab2-ips9.dts
+++ b/arch/arm/boot/dts/sun4i-a10-pov-protab2-ips9.dts
@@ -126,14 +126,14 @@
 	vref-supply = <&reg_ldo2>;
 	status = "okay";
 
-	button@400 {
+	button-400 {
 		label = "Volume Up";
 		linux,code = <KEY_VOLUMEUP>;
 		channel = <0>;
 		voltage = <400000>;
 	};
 
-	button@800 {
+	button-800 {
 		label = "Volume Down";
 		linux,code = <KEY_VOLUMEDOWN>;
 		channel = <0>;