Currently, if there are more than two ports, or if there is only one port but other properties(such as "#address-cells") is required, these ports are placed under the "ports" node. So add the schema of property "ports". 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 | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml index 384191ee497f534..a42992fa687d3f3 100644 --- a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml +++ b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml @@ -115,6 +115,11 @@ properties: $ref: audio-graph-port.yaml# unevaluatedProperties: false + ports: + patternProperties: + '^port@[0-9]': + $ref: "#/properties/port" + # use patternProperties to avoid naming "xxx,yyy" issue patternProperties: "^rcar_sound,dvc$": -- 1.8.3