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Date:   Tue, 2 Nov 2021 15:57:51 -0500
From:   Rob Herring <robh@...nel.org>
To:     Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] dt-bindings: pinctrl: uniphier: Add child node
 definitions to describe pin mux and configuration

On Thu, Oct 28, 2021 at 10:46:39AM +0900, Kunihiko Hayashi wrote:
> In arch/arm/boot/dts/uniphier-pinctrl.dtsi, there are child nodes of
> pinctrl that defines pinmux and pincfg, however, there are no rules about
> that in dt-bindings.
> 
> 'make dtbs_check' results an error with the following message:
> 
>    pinctrl: 'ain1', 'ain2', 'ainiec1', 'aout', 'aout1', 'aout2', ...
>    ... 'usb2', 'usb3' do not match any of the regexes: 'pinctrl-[0-9]+'
> 
> To avoid this issue, add the rules of pinmux and pincfg in each child node
> and grandchild node.
> 
> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
> ---
> Changes since v1:
> - Replace additionalProperties with unevaluatedProperties
> - Add additionalProperties for child and grandchild nodes
> 
>  .../pinctrl/socionext,uniphier-pinctrl.yaml        | 50 +++++++++++++++++++++-
>  1 file changed, 49 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/socionext,uniphier-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/socionext,uniphier-pinctrl.yaml
> index a804d9bc1602..7e504e003181 100644
> --- a/Documentation/devicetree/bindings/pinctrl/socionext,uniphier-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/socionext,uniphier-pinctrl.yaml
> @@ -26,10 +26,58 @@ properties:
>        - socionext,uniphier-pxs3-pinctrl
>        - socionext,uniphier-nx1-pinctrl
>  
> +additionalProperties:
> +  type: object
> +
> +patternProperties:
> +  "^.*$":
> +    if:
> +      type: object
> +    then:
> +      allOf:

All of the above should be:

additionalProperties:
  type: object
  allOf:
  ...

> +        - $ref: pincfg-node.yaml#
> +        - $ref: pinmux-node.yaml#
> +
> +      properties:
> +        phandle: true
> +        function: true
> +        groups: true
> +        pins: true
> +        bias-pull-up: true
> +        bias-pull-down: true
> +        bias-pull-pin-default: true
> +        drive-strength: true
> +
> +      additionalProperties:
> +        type: object
> +
> +      patternProperties:
> +        "^.*$":
> +          if:
> +            type: object
> +          then:
> +            allOf:
> +              - $ref: pincfg-node.yaml#
> +              - $ref: pinmux-node.yaml#
> +
> +            properties:
> +              phandle: true
> +              function: true
> +              groups: true
> +              pins: true
> +              bias-pull-up: true
> +              bias-pull-down: true
> +              bias-pull-pin-default: true
> +              drive-strength: true
> +
> +            unevaluatedProperties: false
> +
> +      unevaluatedProperties: false
> +
>  required:
>    - compatible
>  
> -additionalProperties: false
> +unevaluatedProperties: false

Drop +unevaluatedProperties.

>  
>  examples:
>    - |
> -- 
> 2.7.4
> 
> 

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