diff --git a/arch/arm/boot/dts/r8a7778-bockw-reference.dts b/arch/arm/boot/dts/r8a7778-bockw-reference.dts
index 06cda19dac6a..f76f6ec01e19 100644
--- a/arch/arm/boot/dts/r8a7778-bockw-reference.dts
+++ b/arch/arm/boot/dts/r8a7778-bockw-reference.dts
@@ -109,4 +109,18 @@
 	pinctrl-0 = <&hspi0_pins>;
 	pinctrl-names = "default";
 	status = "okay";
+
+	flash: flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spansion,s25fl008k";
+		reg = <0>;
+		spi-max-frequency = <104000000>;
+		m25p,fast-read;
+
+		partition@0 {
+			label = "data(spi)";
+			reg = <0x00000000 0x00100000>;
+		};
+	};
 };