diff --git a/Documentation/devicetree/bindings/timer/renesas,tmu.txt b/Documentation/devicetree/bindings/timer/renesas,tmu.txt
index 29159f4e65abe..a36cd61e74fba 100644
--- a/Documentation/devicetree/bindings/timer/renesas,tmu.txt
+++ b/Documentation/devicetree/bindings/timer/renesas,tmu.txt
@@ -13,6 +13,7 @@ Required Properties:
     - "renesas,tmu-r8a774a1" for the r8a774A1 TMU
     - "renesas,tmu-r8a774b1" for the r8a774B1 TMU
     - "renesas,tmu-r8a774c0" for the r8a774C0 TMU
+    - "renesas,tmu-r8a774e1" for the r8a774E1 TMU
     - "renesas,tmu-r8a7778" for the r8a7778 TMU
     - "renesas,tmu-r8a7779" for the r8a7779 TMU
     - "renesas,tmu-r8a77970" for the r8a77970 TMU