Re: [PATCH 5/5] dt-bindings: perf: Add compatible for Arm DSU-110

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On Tue, Dec 07, 2021 at 06:20:43PM +0000, Robin Murphy wrote:
> DSU-110 is the newest and shiniest for Armv9. Its programmer's model is
> largely identical to the previous generation of DSUs, so we can treat it
> as compatible, but it does have a a handful of extra IMP-DEF PMU events
> to call its own. Thanks to the new notion of core complexes, the maximum
> number of supported CPUs goes up as well.
> 
> Signed-off-by: Robin Murphy <robin.murphy@xxxxxxx>
> ---
>  Documentation/devicetree/bindings/perf/arm,dsu-pmu.yaml | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/perf/arm,dsu-pmu.yaml b/Documentation/devicetree/bindings/perf/arm,dsu-pmu.yaml
> index b78b6b0fce66..b623520ad302 100644
> --- a/Documentation/devicetree/bindings/perf/arm,dsu-pmu.yaml
> +++ b/Documentation/devicetree/bindings/perf/arm,dsu-pmu.yaml
> @@ -21,7 +21,11 @@ description:
>  
>  properties:
>    compatible:
> -    const: "arm,dsu-pmu"
> +    oneof:

'oneOf' and should be a list.

jsonschema is case sensitive yet the tools are silent on wrong case (but 
handled by dtschema). 

> +      const: "arm,dsu-pmu"
> +      items:
> +        const: "arm,dsu-110-pmu"
> +        const: "arm,dsu-pmu"

'items' needs to be a list here (Use '-').

>  
>    interrupts:
>      items:
> @@ -30,7 +34,7 @@ properties:
>    cpus:
>      $ref: /schemas/types.yaml#/definitions/phandle-array
>      minitems: 1
> -    maxitems: 8
> +    maxitems: 12
>      description: List of phandles for the CPUs connected to this DSU instance.
>  
>  required:
> -- 
> 2.28.0.dirty
> 
> 



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