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Date:   Tue, 21 Sep 2021 16:37:56 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     Rakesh Pillai <pillair@...eaurora.org>, agross@...nel.org,
        mathieu.poirier@...aro.org, ohad@...ery.com,
        p.zabel@...gutronix.de, robh+dt@...nel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, sibis@...eaurora.org,
        mpubbise@...eaurora.org, kuabhs@...omium.org
Subject: Re: [PATCH v3 2/3] dt-bindings: remoteproc: qcom: Add SC7280 WPSS
 support

On Thu 16 Sep 23:25 PDT 2021, Stephen Boyd wrote:

> Quoting Rakesh Pillai (2021-09-16 09:55:52)
> > @@ -78,6 +84,10 @@ properties:
> >        Phandle reference to a syscon representing TCSR followed by the
> >        three offsets within syscon for q6, modem and nc halt registers.
> >
> > +  qcom,qmp:
> > +    $ref: /schemas/types.yaml#/definitions/phandle
> > +    description: Reference to the AOSS side-channel message RAM.
> > +
> >    qcom,smem-states:
> >      $ref: /schemas/types.yaml#/definitions/phandle-array
> >      description: States used by the AP to signal the Hexagon core
> > @@ -117,6 +127,33 @@ allOf:
> >          compatible:
> >            contains:
> >              enum:
> > +              - qcom,sc7280-wpss-pil
> > +    then:
> 
> Honestly I find this if/else to be a huge tangle. Why not split the
> binding so that each compatible is a different file? Then it is easier
> to read and see what properties to set.
> 

Further more, the way we express the non-PAS properties in the PAS node
in the dtsi and then switch the compatible in the non-PAS devices means
that we're causing validation errors.

So we should explode this binding to get rid of the conditionals and to
describe the "superset" of the PAS and non-PAS compatibles, for
platforms where this is applicable.

Regards,
Bjorn

> > +      properties:
> > +        interrupts-extended:
> > +          maxItems: 6
> > +          items:
> > +            - description: Watchdog interrupt
> > +            - description: Fatal interrupt
> > +            - description: Ready interrupt

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