When I do dt_binding_check for all YAML files, below warning is reported: /root/mainline/Documentation/devicetree/bindings/sound/renesas,rsnd.example.dt.yaml: sound@ec500000: 'dais' is a required property From schema: /root/mainline/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml make dt_binding_check -j24 2>err.txt Before: cat err.txt | wc -l 2 After: cat err.txt | wc -l 0 make dtbs_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/sound/renesas,rsnd.yaml -j24 2>err.txt Before: cat err.txt | wc -l 130 After: cat err.txt | wc -l 0 Zhen Lei (2): ASoC: dt-bindings: renesas, rsnd: Clear warning 'dais' is a required property ASoC: dt-bindings: renesas, rsnd: Clear warning 'ports' does not match any of the regexes Documentation/devicetree/bindings/sound/renesas,rsnd.yaml | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) -- 1.8.3