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SubjectRe: [PATCH v3 03/10] dt-bindings: apple,aic: Add affinity description for per-cpu pseudo-interrupts
On Tue, Dec 14, 2021 at 06:26:27PM +0000, Marc Zyngier wrote:
> Some of the FIQ per-cpu pseudo-interrupts are better described with
> a specific affinity, the most obvious candidate being the CPU PMUs.
>
> Augment the AIC binding to be able to specify that affinity in the
> interrupt controller node.
>
> Signed-off-by: Marc Zyngier <maz@kernel.org>
> ---
> .../interrupt-controller/apple,aic.yaml | 26 +++++++++++++++++++
> 1 file changed, 26 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml b/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml
> index b95e41816953..ac1c82cffa0a 100644
> --- a/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml
> +++ b/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml
> @@ -67,6 +67,32 @@ properties:
> Specifies base physical address and size of the AIC registers.
> maxItems: 1
>
> + affinities:
> + type: object
> + description:
> + FIQ affinity can be expressed as a single "affinities" node,
> + containing a set of sub-nodes, one per FIQ with a non-default
> + affinity.
> + patternProperties:
> + "^.+-affinity$":
> + type: object
> + properties:
> + fiq-index:
> + description:
> + The interrupt number specified as a FIQ, and for which
> + the affinity is not the default.
> + $ref: /schemas/types.yaml#/definitions/uint32
> + maximum: 5

blank line between each prop.

> + affinity:

'cpus' is already somewhat established for list of phandles to cpu
nodes.

> + $ref: /schemas/types.yaml#/definitions/phandle-array
> + description:
> + Should be a list of phandles to CPU nodes (as described in
> + Documentation/devicetree/bindings/arm/cpus.yaml).
> +
> + required:
> + - fiq-index
> + - affinity
> +
> required:
> - compatible
> - '#interrupt-cells'
> --
> 2.30.2
>
>

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