diff --git a/Documentation/devicetree/bindings/timer/renesas,rz-mtu3.yaml b/Documentation/devicetree/bindings/timer/renesas,rz-mtu3.yaml
index 00cd5cbcf6e9..ecff2912d812 100644
--- a/Documentation/devicetree/bindings/timer/renesas,rz-mtu3.yaml
+++ b/Documentation/devicetree/bindings/timer/renesas,rz-mtu3.yaml
@@ -112,6 +112,8 @@ properties:
           - renesas,r9a07g043-mtu3  # RZ/{G2UL,Five}
           - renesas,r9a07g044-mtu3  # RZ/G2{L,LC}
           - renesas,r9a07g054-mtu3  # RZ/V2L
+          - renesas,r9a09g077-mtu3  # RZ/T2H
+          - renesas,r9a09g087-mtu3  # RZ/N2H
       - const: renesas,rz-mtu3
 
   reg:
@@ -231,7 +233,22 @@ required:
   - interrupt-names
   - clocks
   - power-domains
-  - resets
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - renesas,r9a07g043-mtu3
+              - renesas,r9a07g044-mtu3
+              - renesas,r9a07g054-mtu3
+    then:
+      required:
+        - resets
+    else:
+      properties:
+        resets: false
 
 additionalProperties: false