diff --git a/arch/arm/boot/dts/r8a7740.dtsi b/arch/arm/boot/dts/r8a7740.dtsi
index 6cd6a465b196..1067a96c8425 100644
--- a/arch/arm/boot/dts/r8a7740.dtsi
+++ b/arch/arm/boot/dts/r8a7740.dtsi
@@ -41,6 +41,18 @@
 		interrupts = <0 83 IRQ_TYPE_LEVEL_HIGH>;
 	};
 
+	cmt1: timer@e6138000 {
+		compatible = "renesas,cmt-48";
+		reg = <0xe6138000 0x170>;
+		interrupts = <0 58 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&mstp3_clks R8A7740_CLK_CMT1>;
+		clock-names = "fck";
+
+		renesas,channels-mask = <0x3f>;
+
+		status = "disabled";
+	};
+
 	/* irqpin0: IRQ0 - IRQ7 */
 	irqpin0: irqpin@e6900000 {
 		compatible = "renesas,intc-irqpin-r8a7740", "renesas,intc-irqpin";