diff --git a/arch/arm/boot/dts/r8a7779-marzen.dts b/arch/arm/boot/dts/r8a7779-marzen.dts
index 5f05f2b44a48..60c9c4b7faa1 100644
--- a/arch/arm/boot/dts/r8a7779-marzen.dts
+++ b/arch/arm/boot/dts/r8a7779-marzen.dts
@@ -9,6 +9,7 @@
 /dts-v1/;
 #include "r8a7779.dtsi"
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 
 / {
@@ -66,6 +67,51 @@ ethernet@18000000 {
 		vdd33a-supply = <&fixedregulator3v3>;
 	};
 
+	keyboard-irq {
+		compatible = "gpio-keys";
+
+		pinctrl-0 = <&keyboard_irq_pins>;
+		pinctrl-names = "default";
+
+		interrupt-parent = <&gpio0>;
+
+		key-1 {
+			interrupts = <17 IRQ_TYPE_EDGE_FALLING>;
+			linux,code = <KEY_1>;
+			label = "SW1-1";
+			wakeup-source;
+			debounce-interval = <20>;
+		};
+		key-2 {
+			interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
+			linux,code = <KEY_2>;
+			label = "SW1-2";
+			wakeup-source;
+			debounce-interval = <20>;
+		};
+	};
+
+	keyboard-gpio {
+		compatible = "gpio-keys-polled";
+		poll-interval = <50>;
+
+		pinctrl-0 = <&keyboard_gpio_pins>;
+		pinctrl-names = "default";
+
+		key-3 {
+			gpios = <&gpio0 19 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_3>;
+			label = "SW1-3";
+			debounce-interval = <20>;
+		};
+		key-4 {
+			gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_4>;
+			label = "SW1-4";
+			debounce-interval = <20>;
+		};
+	};
+
 	leds {
 		compatible = "gpio-leds";
 		led2 {
@@ -161,6 +207,14 @@ endpoint {
 	};
 };
 
+&gpio0 {
+	keyboard-irq-hog {
+		gpio-hog;
+		gpios = <17 GPIO_ACTIVE_LOW>, <18 GPIO_ACTIVE_LOW>;
+		input;
+	};
+};
+
 &irqpin0 {
 	status = "okay";
 };
@@ -223,6 +277,15 @@ hspi0_pins: hspi0 {
 		groups = "hspi0";
 		function = "hspi0";
 	};
+
+	keyboard_irq_pins: keyboard-irq {
+		pins = "GP_0_17", "GP_0_18";
+		bias-pull-up;
+	};
+	keyboard_gpio_pins: keyboard-gpio {
+		pins = "GP_0_19", "GP_0_20";
+		bias-pull-up;
+	};
 };
 
 &sata {