diff --git a/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.txt b/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.txt
index 16e574821668783950467a613d586765a4591151..d52e30ed8072c58bf1cb3f5e7f8ab41caad764f4 100644
--- a/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.txt
+++ b/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.txt
@@ -24,6 +24,6 @@ Example: R8A7740 (R-Car A1) TPU controller node
 
 	tpu: pwm@e6600000 {
 		compatible = "renesas,tpu-r8a7740", "renesas,tpu";
-		reg = <0xe6600000 0x100>;
+		reg = <0xe6600000 0x148>;
 		#pwm-cells = <3>;
 	};