diff --git a/Documentation/devicetree/bindings/arm/cpus.yaml b/Documentation/devicetree/bindings/arm/cpus.yaml
index f2ab6423b4af1de24f90cb773793a6252735b097..452bfd1d4ecc0e787641edfaac8c149e02e77112 100644
--- a/Documentation/devicetree/bindings/arm/cpus.yaml
+++ b/Documentation/devicetree/bindings/arm/cpus.yaml
@@ -137,6 +137,7 @@ properties:
       - arm,cortex-a75
       - arm,cortex-a76
       - arm,cortex-a77
+      - arm,cortex-a78
       - arm,cortex-m0
       - arm,cortex-m0+
       - arm,cortex-m1