Re: [PATCH 1/2] dt-bindings: gpio: add binding for the GPIO block for Apple Mac SMC

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On 27/10/2022 13:03, Russell King (Oracle) wrote:
> Add the DT binding for the Apple Mac System Management Controller GPIOs.
> 
> Signed-off-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx>
> ---
>  .../devicetree/bindings/gpio/gpio-macsmc.yaml | 28 +++++++++++++++++++
>  1 file changed, 28 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/gpio/gpio-macsmc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/gpio/gpio-macsmc.yaml b/Documentation/devicetree/bindings/gpio/gpio-macsmc.yaml
> new file mode 100644
> index 000000000000..a3883d62292d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpio/gpio-macsmc.yaml


Filename based on compatible, so "apple,smc-gpio.yaml"

> @@ -0,0 +1,28 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/gpio/gpio-macsmc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Apple Mac System Management Controller GPIO
> +
> +maintainers:
> +  - Hector Martin <marcan@xxxxxxxxx>
> +
> +description:
> +  This describes the binding for the Apple Mac System Management Controller

Drop "This describes the binding for"

> +  GPIO block.
> +
> +properties:
> +  compatible:
> +    allOf:

That's not proper syntax. Look at other examples (e.g. Apple bindings)
doing it. Probably you wanted items here.

> +      - enum:
> +          - apple,t8103-smc
> +      - const: apple,smc-gpio
> +
> +  gpio-controller: true
> +
> +  '#gpio-cells':
> +    const: 2

Missing required properties. Start from new bindings or example-schema.

> +
> +additionalProperties: false

Missing example, it's necessary to validate these.

Best regards,
Krzysztof




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