diff --git a/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts b/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts
index e3723be251db45ef661200da8a0baa64f94cf4a9..0156fc8e9e4d3cfce7f7fab6608ef92cadd4f507 100644
--- a/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts
+++ b/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts
@@ -287,6 +287,17 @@
 	};
 };
 
+&i2c1 {
+	status = "okay";
+
+	touchscreen@55 {
+		compatible = "sitronix,st1232";
+		reg = <0x55>;
+		interrupt-parent = <&irqpin1>;
+		interrupts = <0 IRQ_TYPE_EDGE_FALLING>;
+	};
+};
+
 &i2c3 {
 	pinctrl-0 = <&i2c3_pins>;
 	pinctrl-names = "default";