linux-kernel - Re: [PATCH 2/3] dt-bindings: gnss: u-blox: add "reset-gpios" binding

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Date:   Wed, 12 Jul 2023 13:48:19 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Wolfram Sang <wsa+renesas@...g-engineering.com>,
        linux-renesas-soc@...r.kernel.org
Cc:     Johan Hovold <johan@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] dt-bindings: gnss: u-blox: add "reset-gpios" binding

On 12/07/2023 13:37, Wolfram Sang wrote:
> Needed to enable this chip on a Renesas KingFisher board. Description
> copied over from the Mediatek driver which already supports it.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
> ---
>  Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml b/Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml
> index 4835a280b3bf..8f6992b97ca6 100644
> --- a/Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml
> +++ b/Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml
> @@ -41,6 +41,12 @@ properties:
>      description: >
>        Backup voltage regulator
>  
> +  reset-gpios:
> +    maxItems: 1
> +    description: >
> +      An optional reset line, with names such as RESET or NRESET.
> +      If the line is active low it should be flagged with GPIO_ACTIVE_LOW.
> +
>  required:
>    - compatible
>    - vcc-supply
> @@ -54,5 +60,6 @@ examples:
>              compatible = "u-blox,neo-8";
>              v-bckp-supply = <&gnss_v_bckp_reg>;
>              vcc-supply = <&gnss_vcc_reg>;
> +            reset-gpios = <&gpio 1 GPIO_ACTIVE_LOW>;

This should complain with errors, because of missing header for the
defines, so usual disclaimer:

It does not look like you tested the bindings, at least after quick
look. Please run `make dt_binding_check` (see
Documentation/devicetree/bindings/writing-schema.rst for instructions).
Maybe you need to update your dtschema and yamllint.

Best regards,
Krzysztof