Re: [PATCH 1/2] dt-bindings: interrupt-controller: sifive,plic: Document Renesas RZ/Five SoC

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Hi Krzysztof,

Thank you for the review.

On Sat, Jun 25, 2022 at 9:01 PM Krzysztof Kozlowski
<krzysztof.kozlowski@xxxxxxxxxx> wrote:
>
> On 24/06/2022 20:03, Lad Prabhakar wrote:
> > Document Renesas RZ/Five (R9A07G043) SoC.
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> > ---
> > RFC->v1:
> > * Fixed Review comments pointed by Geert and Rob
> > ---
> >  .../sifive,plic-1.0.0.yaml                    | 40 +++++++++++++++++--
> >  1 file changed, 36 insertions(+), 4 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
> > index 27092c6a86c4..5eebe0b01b4d 100644
> > --- a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
> > +++ b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
> > @@ -28,7 +28,10 @@ description:
> >
> >    While the PLIC supports both edge-triggered and level-triggered interrupts,
> >    interrupt handlers are oblivious to this distinction and therefore it is not
> > -  specified in the PLIC device-tree binding.
> > +  specified in the PLIC device-tree binding for SiFive PLIC (and similar PLIC's),
> > +  but for the Renesas RZ/Five Soc (AX45MP AndesCore) which has NCEPLIC100 we need
> > +  to specify the interrupt type as the flow for EDGE interrupts is different
> > +  compared to LEVEL interrupts.
> >
> >    While the RISC-V ISA doesn't specify a memory layout for the PLIC, the
> >    "sifive,plic-1.0.0" device is a concrete implementation of the PLIC that
> > @@ -57,6 +60,7 @@ properties:
> >            - enum:
> >                - allwinner,sun20i-d1-plic
> >            - const: thead,c900-plic
> > +      - const: renesas,r9a07g043-plic
> >
> >    reg:
> >      maxItems: 1
> > @@ -64,8 +68,7 @@ properties:
> >    '#address-cells':
> >      const: 0
> >
> > -  '#interrupt-cells':
> > -    const: 1
> > +  '#interrupt-cells': true
> >
> >    interrupt-controller: true
> >
> > @@ -91,7 +94,36 @@ required:
> >    - interrupts-extended
> >    - riscv,ndev
> >
> > -additionalProperties: false
> > +if:
>
> Make it inside allOf. Avoids further indentation change on next variant.
>
Agreed.

> > +  properties:
> > +    compatible:
> > +      contains:
> > +        const: renesas,r9a07g043-plic
> > +then:
> > +  properties:
> > +    clocks:
> > +      maxItems: 1
> > +
> > +    resets:
> > +      maxItems: 1
> > +
> > +    power-domains:
> > +      maxItems: 1
> > +
> > +    '#interrupt-cells':
> > +      const: 2
> > +
> > +  required:
> > +    - clocks
> > +    - resets
> > +    - power-domains
> > +
> > +else:
> > +  properties:
> > +    '#interrupt-cells':
> > +      const: 1
> > +
> > +unevaluatedProperties: false
>
>
> This does not look correct, why changing additional->unevaluated here?
>
Agreed will drop this.

Cheers,
Prabhakar



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