Currently, the property "ports" is always present. So mark it as true, and let audio-graph-card.yaml to check it. Otherwise, warnings similar to the following will be reported: arch/arm64/boot/dts/renesas/r8a774a1-beacon-rzg2m-kit.dt.yaml: \ sound@ec500000: 'ports' does not match any of the regexes: \ '^rcar_sound,ctu$', '^rcar_sound,dai$', '^rcar_sound,dvc$', ... Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx> --- Documentation/devicetree/bindings/sound/renesas,rsnd.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml index 487aeabd1f0e65b..d3c2899843aee58 100644 --- a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml +++ b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml @@ -112,6 +112,7 @@ properties: - pattern: '^clk_(a|b|c|i)$' port: true + ports: true # use patternProperties to avoid naming "xxx,yyy" issue patternProperties: -- 1.8.3