linux-kernel - Re: [PATCH v2] dt-bindings: gpio: mpfs-gpio: allow parsing of hog child nodes.

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Message-ID: <CAMRc=MdQkP-Dd0MrJ5DvxKgvyC-1WO+f98t7-ASs3qrNJL+uAw@mail.gmail.com>
Date:   Wed, 31 Aug 2022 14:40:04 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Conor Dooley <conor.dooley@...rochip.com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        devicetree <devicetree@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] dt-bindings: gpio: mpfs-gpio: allow parsing of hog
 child nodes.

On Thu, Aug 25, 2022 at 4:36 PM Conor Dooley <conor.dooley@...rochip.com> wrote:
>
> The SD card and eMMC on PolarFire SoC are sometimes muxed using a GPIO
> by the bootloader. Add a hog child property to facilitate this.
>
> Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
> ---
> Changes since v1:
> - move addtionalProperties up under type:
> - drop the explicit match group syntax
> ---
>  .../bindings/gpio/microchip,mpfs-gpio.yaml     | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/gpio/microchip,mpfs-gpio.yaml b/Documentation/devicetree/bindings/gpio/microchip,mpfs-gpio.yaml
> index 110651eafa70..fdc16822fd4b 100644
> --- a/Documentation/devicetree/bindings/gpio/microchip,mpfs-gpio.yaml
> +++ b/Documentation/devicetree/bindings/gpio/microchip,mpfs-gpio.yaml
> @@ -44,6 +44,24 @@ properties:
>
>    gpio-controller: true
>
> +patternProperties:
> +  "^.+-hog(-[0-9]+)?$":
> +    type: object
> +
> +    additionalProperties: false
> +
> +    properties:
> +      gpio-hog: true
> +      gpios: true
> +      input: true
> +      output-high: true
> +      output-low: true
> +      line-name: true
> +
> +    required:
> +      - gpio-hog
> +      - gpios
> +
>  required:
>    - compatible
>    - reg
> --
> 2.36.1
>

Applied, thanks!

Bart