Re: [PATCH 1/6] dt-bindings: mfd: add binding for Apple Mac System Management Controller

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

On 01/09/2022 16:54, Russell King (Oracle) wrote:
> Add a DT binding for the Apple Mac System Management Controller.
> 
> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

Thank you for your patch. There is something to discuss/improve.

> +
> +maintainers:
> +  - Hector Martin <marcan@marcan.st>
> +
> +description:
> +  Apple Mac System Management Controller implements various functions
> +  such as GPIO, RTC, power, reboot.
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +        - apple,t8103-smc

You miss two spaces of indentation on this level.

> +        - apple,t8112-smc
> +        - apple,t6000-smc

Bring some order here - either alphabetical or by date of release (as in
other Apple schemas). I think t6000 was before t8112, so it's none of
that orders.

> +      - const: apple,smc
> +
> +  reg:
> +    description: Two regions, one for the SMC area and one for the SRAM area.

You need constraints for size/order, so in this context list with
described items.

> +
> +  reg-names:
> +    items:
> +      - const: smc
> +      - const: sram
> +
> +  mboxes:
> +    description:
> +      A phandle to the mailbox channel

Missing maxItems

> +
> +additionalProperties: false
> +
Best regards,
Krzysztof