[PATCH v3 2/2] ASoC: dt-bindings: renesas, rsnd: Clear warning 'ports' does not match any of the regexes

[Rob Herring]

On Mon, 12 Apr 2021 18:06:38 +0800, Zhen Lei wrote:
> 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 at ec500000: 'ports' does not match any of the regexes: \
> '^rcar_sound,ctu$', '^rcar_sound,dai$', '^rcar_sound,dvc$', ...
> 
> A given binding should just use 'ports' or 'port' depending on it's need.
> Both are not allowed at the same time. The check is done in "allOf".
> 
> Signed-off-by: Zhen Lei <thunder.leizhen at huawei.com>
> ---
>  .../devicetree/bindings/sound/renesas,rsnd.yaml      | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 

Reviewed-by: Rob Herring <robh at kernel.org>