diff --git a/Documentation/devicetree/bindings/arm/cpus.yaml b/Documentation/devicetree/bindings/arm/cpus.yaml
index 032f759612af..9dfd3674f691 100644
--- a/Documentation/devicetree/bindings/arm/cpus.yaml
+++ b/Documentation/devicetree/bindings/arm/cpus.yaml
@@ -124,6 +124,7 @@ properties:
       - arm,cortex-a15
       - arm,cortex-a17
       - arm,cortex-a53
+      - arm,cortex-a55
       - arm,cortex-a57
       - arm,cortex-a72
       - arm,cortex-a73