diff --git a/Documentation/devicetree/bindings/ata/nvidia,tegra-ahci.yaml b/Documentation/devicetree/bindings/ata/nvidia,tegra-ahci.yaml
index 3c7a2425f3e6..a17297cbefcb 100644
--- a/Documentation/devicetree/bindings/ata/nvidia,tegra-ahci.yaml
+++ b/Documentation/devicetree/bindings/ata/nvidia,tegra-ahci.yaml
@@ -151,7 +151,7 @@ allOf:
         - interconnects
         - power-domains
 
-additionalProperties: true
+additionalProperties: false
 
 examples:
   - |