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

[Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>]

On 20/08/2022 23:41, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley@microchip.com>
> 
> The SD card and eMMC on PolarFire SoC based dev boards are sometimes
> statically muxed using a GPIO. To facilitate this, enable gpio-hog
> child node properties.
> 
> Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
> ---
>  .../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..6704a7a52cd0 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]+)?$":

What is this pattern about: "(?:" ?

> +    type: object
> +
> +    properties:
> +      gpio-hog: true
> +      gpios: true
> +      input: true
> +      output-high: true
> +      output-low: true
> +      line-name: true
> +
> +    required:
> +      - gpio-hog
> +      - gpios
> +
> +    additionalProperties: false

Put it after type:object. Easier to read/find.

Best regards,
Krzysztof