Re: [PATCH v4 07/10] dt-bindings: interrupt-controller: Add RISC-V advanced PLIC

[Conor Dooley]

Hey Anup,

Mostly looks good, once minor comment.

On Tue, Jun 13, 2023 at 09:04:12PM +0530, Anup Patel wrote:

> +  riscv,children:
> +    $ref: /schemas/types.yaml#/definitions/phandle-array
> +    minItems: 1
> +    maxItems: 1024
> +    items:
> +      maxItems: 1
> +    description:
> +      A list of child APLIC domains for the given APLIC domain. Each child
> +      APLIC domain is assigned a child index in increasing order, with the
> +      first child APLIC domain assigned child index 0. The APLIC domain child
> +      index is used by firmware to delegate interrupts from the given APLIC
> +      domain to a particular child APLIC domain.
> +
> +  riscv,delegation:
> +    $ref: /schemas/types.yaml#/definitions/phandle-array
> +    minItems: 1
> +    maxItems: 1024
> +    items:
> +      items:
> +        - description: child APLIC domain phandle
> +        - description: first interrupt number of the parent APLIC domain (inclusive)
> +        - description: last interrupt number of the parent APLIC domain (inclusive)
> +    description:
> +      A interrupt delegation list where each entry is a triple consisting
> +      of child APLIC domain phandle, first interrupt number of the parent
> +      APLIC domain, and last interrupt number of the parent APLIC domain.
> +      Firmware must configure interrupt delegation registers based on
> +      interrupt delegation list.
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupt-controller
> +  - "#interrupt-cells"
> +  - riscv,num-sources
> +
> +anyOf:
> +  - required:
> +      - interrupts-extended
> +  - required:
> +      - msi-parent

Not sure if you missed this from the last version, but I asked if we
needed a
	dependencies:
	  riscv,delegate: [ riscv,children ]

IOW, I don't think it is valid to have a delegation without having
children?

Otherwise,
Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

Cheers,
Conor.

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