diff --git a/Documentation/devicetree/bindings/arm/shmobile.txt b/Documentation/devicetree/bindings/arm/shmobile.txt
index c9502634316da3b184e883463973a64962fa252d..b8155a209c58ef89a36f36e4993cb707a7aaa919 100644
--- a/Documentation/devicetree/bindings/arm/shmobile.txt
+++ b/Documentation/devicetree/bindings/arm/shmobile.txt
@@ -13,6 +13,8 @@ SoCs:
     compatible = "renesas,r8a73a4"
   - R-Mobile A1 (R8A77400)
     compatible = "renesas,r8a7740"
+  - RZ/G1H (R8A77420)
+    compatible = "renesas,r8a7742"
   - RZ/G1M (R8A77430)
     compatible = "renesas,r8a7743"
   - RZ/G1E (R8A77450)