linux-kernel - Re: [PATCH] dt-bindings: pinctrl: qcom,sdm845-pinctrl: add GPIO hogs

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Date:   Sun, 20 Nov 2022 10:41:33 -0600
From:   Rob Herring <robh@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Abel Vesa <abel.vesa@...aro.org>
Subject: Re: [PATCH] dt-bindings: pinctrl: qcom,sdm845-pinctrl: add GPIO hogs

On Fri, Nov 18, 2022 at 05:21:01PM +0100, Krzysztof Kozlowski wrote:
> Allow GPIO hogs in pin controller node.  qcom/sdm845-cheza.dtsi already
> uses it.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
>  .../bindings/pinctrl/qcom,sdm845-pinctrl.yaml        | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sdm845-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sdm845-pinctrl.yaml
> index c9627777ceb3..57bac7f7a4fc 100644
> --- a/Documentation/devicetree/bindings/pinctrl/qcom,sdm845-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,sdm845-pinctrl.yaml
> @@ -48,6 +48,11 @@ patternProperties:
>              $ref: "#/$defs/qcom-sdm845-tlmm-state"
>          additionalProperties: false
>  
> +  "-hog(-[0-9]+)?$":
> +    $ref: /schemas/gpio/gpio-hog.yaml

You can drop this and just do:

required:
  - gpio-hog

As that's what selects the hog schema. Kind of an odd pattern I guess. 
We could make gpio.yaml define hog nodes instead I suppose.

> +    type: object
> +    unevaluatedProperties: false
> +