Just as unevaluatedProperties or additionalProperties are required at the top level of schemas, they should (and will) also be required for child node schemas. That ensures only documented properties are present for any node. Add the missing addtionalProperties to the 'gpio' child nodes. Signed-off-by: Rob Herring <robh@xxxxxxxxxx> --- .../devicetree/bindings/pinctrl/nuvoton,npcm845-pinctrl.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/pinctrl/nuvoton,npcm845-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/nuvoton,npcm845-pinctrl.yaml index e4b9f3da2cf0..3e8472898800 100644 --- a/Documentation/devicetree/bindings/pinctrl/nuvoton,npcm845-pinctrl.yaml +++ b/Documentation/devicetree/bindings/pinctrl/nuvoton,npcm845-pinctrl.yaml @@ -35,6 +35,7 @@ properties: patternProperties: '^gpio@': type: object + additionalProperties: false description: Eight GPIO banks that each contain 32 GPIOs. -- 2.42.0