diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index e24fed9c04623822db008537a2086062d0f88c81..fd1d6ee48a28058ce108ac34e14adf5e00680dce 100644
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -13,6 +13,7 @@
 /dts-v1/;
 #include "r8a7791.dtsi"
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 
 / {
 	model = "Koelsch";
@@ -40,51 +41,79 @@
 	gpio-keys {
 		compatible = "gpio-keys";
 
+		key-1 {
+			gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_1>;
+			label = "SW2-1";
+			gpio-key,wakeup;
+			debounce-interval = <20>;
+		};
+		key-2 {
+			gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_2>;
+			label = "SW2-2";
+			gpio-key,wakeup;
+			debounce-interval = <20>;
+		};
+		key-3 {
+			gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_3>;
+			label = "SW2-3";
+			gpio-key,wakeup;
+			debounce-interval = <20>;
+		};
+		key-4 {
+			gpios = <&gpio5 3 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_4>;
+			label = "SW2-4";
+			gpio-key,wakeup;
+			debounce-interval = <20>;
+		};
 		key-a {
 			gpios = <&gpio7 0 GPIO_ACTIVE_LOW>;
-			linux,code = <30>;
+			linux,code = <KEY_A>;
 			label = "SW30";
 			gpio-key,wakeup;
 			debounce-interval = <20>;
 		};
 		key-b {
 			gpios = <&gpio7 1 GPIO_ACTIVE_LOW>;
-			linux,code = <48>;
+			linux,code = <KEY_B>;
 			label = "SW31";
 			gpio-key,wakeup;
 			debounce-interval = <20>;
 		};
 		key-c {
 			gpios = <&gpio7 2 GPIO_ACTIVE_LOW>;
-			linux,code = <46>;
+			linux,code = <KEY_C>;
 			label = "SW32";
 			gpio-key,wakeup;
 			debounce-interval = <20>;
 		};
 		key-d {
 			gpios = <&gpio7 3 GPIO_ACTIVE_LOW>;
-			linux,code = <32>;
+			linux,code = <KEY_D>;
 			label = "SW33";
 			gpio-key,wakeup;
 			debounce-interval = <20>;
 		};
 		key-e {
 			gpios = <&gpio7 4 GPIO_ACTIVE_LOW>;
-			linux,code = <18>;
+			linux,code = <KEY_E>;
 			label = "SW34";
 			gpio-key,wakeup;
 			debounce-interval = <20>;
 		};
 		key-f {
 			gpios = <&gpio7 5 GPIO_ACTIVE_LOW>;
-			linux,code = <33>;
+			linux,code = <KEY_F>;
 			label = "SW35";
 			gpio-key,wakeup;
 			debounce-interval = <20>;
 		};
 		key-g {
 			gpios = <&gpio7 6 GPIO_ACTIVE_LOW>;
-			linux,code = <34>;
+			linux,code = <KEY_G>;
 			label = "SW36";
 			gpio-key,wakeup;
 			debounce-interval = <20>;