diff --git a/Documentation/devicetree/bindings/arm/cpus.yaml b/Documentation/devicetree/bindings/arm/cpus.yaml
index 73dd73d2d4fa..2e666b2a4dcd 100644
--- a/Documentation/devicetree/bindings/arm/cpus.yaml
+++ b/Documentation/devicetree/bindings/arm/cpus.yaml
@@ -177,6 +177,7 @@ properties:
       - arm,neoverse-v2
       - arm,neoverse-v3
       - arm,neoverse-v3ae
+      - arm,rainier
       - brcm,brahma-b15
       - brcm,brahma-b53
       - brcm,vulcan