diff --git a/Documentation/devicetree/bindings/arm/shmobile.txt b/Documentation/devicetree/bindings/arm/shmobile.txt
index 64e7f63826c31b57db0c4047a0656a0a27d9ac08..ae75cb3b1331f82782c95a814d3a6bbda3f63857 100644
--- a/Documentation/devicetree/bindings/arm/shmobile.txt
+++ b/Documentation/devicetree/bindings/arm/shmobile.txt
@@ -68,6 +68,8 @@ Boards:
     compatible = "renesas,h3ulcb", "renesas,r8a7795";
   - Henninger
     compatible = "renesas,henninger", "renesas,r8a7791"
+  - iWave Systems RZ/G1E SODIMM SOM Development Platform (iW-RainboW-G22D)
+    compatible = "iwave,g22d", "iwave,g22m", "renesas,r8a7745"
   - iWave Systems RZ/G1E SODIMM System On Module (iW-RainboW-G22M-SM)
     compatible = "iwave,g22m", "renesas,r8a7745"
   - iWave Systems RZ/G1M Qseven Development Platform (iW-RainboW-G20D-Qseven)