Re: [PATCH 4/9] dt-bindings: arm: qcom,coresight-static-replicator: add optional clocks

From: Dmitry Baryshkov
Date: Tue Mar 18 2025 - 08:19:53 EST


On Tue, Mar 18, 2025 at 10:38:17AM +0000, Suzuki K Poulose wrote:
> On 17/03/2025 17:44, Dmitry Baryshkov wrote:
>
> nit: Subject:
>
> s/qcom,coresight-static-replicator/arm,coresight-static-replicator
>
> > As most other CoreSight devices the replicator can use either of the
> > optional clocks (or both). Document those optional clocks in the schema.
> >
> > Fixes: 3c15fddf3121 ("dt-bindings: arm: Convert CoreSight bindings to DT schema")
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
> > ---
> > .../bindings/arm/arm,coresight-static-replicator.yaml | 10 ++++++++++
> > 1 file changed, 10 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml
> > index a6f793ea03b6c193fc0ff72a45e0249a63a2ba3c..56e64067ed3d63c5e293a0840858f13428bacb45 100644
> > --- a/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml
> > +++ b/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml
> > @@ -30,6 +30,16 @@ properties:
> > power-domains:
> > maxItems: 1
> > + clocks:
> > + minItems: 1
> > + maxItems: 2
> > +
>
> For the static replicator, you don't have an APB clock, as they can't be
> programmed. It may have an ATB clock. So minItems 0, maxItems: 1

It can, see qcom-apq8064.dtsi

Also minItems:0 doesn't make sense to me. I'd rather keep this as an
optional property rather than requiring an empty set.

>
> Suzuki
>
>
>
> > + clock-names:
> > + minItems: 1
> > + enum:
> > + - apb_pclk
> > + - atclk
> > +
> > in-ports:
> > $ref: /schemas/graph.yaml#/properties/ports
> > additionalProperties: false
> >
>

--
With best wishes
Dmitry