Re: [PATCH v1 1/7] dt-bindings: PCI: qcom: Add sm8350 to bindings

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On Tue, 1 Nov 2022 at 00:40, Rob Herring <robh@xxxxxxxxxx> wrote:
>
> On Sun, Oct 30, 2022 at 12:13:06AM +0300, Dmitry Baryshkov wrote:
> > Add bindings for two PCIe hosts on SM8350 platform. The only difference
> > between them is in the aggre0 clock, which warrants the oneOf clause for
> > the clocks properties.
> >
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> > ---
> >  .../devicetree/bindings/pci/qcom,pcie.yaml    | 54 +++++++++++++++++++
> >  1 file changed, 54 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> > index 54f07852d279..55bf5958ef79 100644
> > --- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> > +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> > @@ -32,6 +32,7 @@ properties:
> >        - qcom,pcie-sdm845
> >        - qcom,pcie-sm8150
> >        - qcom,pcie-sm8250
> > +      - qcom,pcie-sm8350
> >        - qcom,pcie-sm8450-pcie0
> >        - qcom,pcie-sm8450-pcie1
> >        - qcom,pcie-ipq6018
> > @@ -185,6 +186,7 @@ allOf:
> >                - qcom,pcie-sc8180x
> >                - qcom,pcie-sc8280xp
> >                - qcom,pcie-sm8250
> > +              - qcom,pcie-sm8350
> >                - qcom,pcie-sm8450-pcie0
> >                - qcom,pcie-sm8450-pcie1
> >      then:
> > @@ -540,6 +542,57 @@ allOf:
> >            items:
> >              - const: pci # PCIe core reset
> >
> > +  - if:
> > +      properties:
> > +        compatible:
> > +          contains:
> > +            enum:
> > +              - qcom,pcie-sm8350
> > +    then:
> > +      oneOf:
> > +          # Unfortunately the "optional" ref clock is used in the middle of the list
> > +        - properties:
> > +            clocks:
> > +              maxItems: 13
> > +            clock-names:
> > +              items:
> > +                - const: pipe # PIPE clock
> > +                - const: pipe_mux # PIPE MUX
> > +                - const: phy_pipe # PIPE output clock
> > +                - const: ref # REFERENCE clock
> > +                - const: aux # Auxiliary clock
> > +                - const: cfg # Configuration clock
> > +                - const: bus_master # Master AXI clock
> > +                - const: bus_slave # Slave AXI clock
> > +                - const: slave_q2a # Slave Q2A clock
> > +                - const: tbu # PCIe TBU clock
> > +                - const: ddrss_sf_tbu # PCIe SF TBU clock
> > +                - const: aggre0 # Aggre NoC PCIe0 AXI clock
>
> 'enum: [ aggre0, aggre1 ]' and 'minItems: 12' would eliminate the 2nd
> case. There's a implicit requirement that string names are unique (by
> default).

Wouldn't it also allow a single 'aggre0' string?

>
> > +                - const: aggre1 # Aggre NoC PCIe1 AXI clock
> > +        - properties:
> > +            clocks:
> > +              maxItems: 12
> > +            clock-names:
> > +              items:
> > +                - const: pipe # PIPE clock
> > +                - const: pipe_mux # PIPE MUX
> > +                - const: phy_pipe # PIPE output clock
> > +                - const: ref # REFERENCE clock
> > +                - const: aux # Auxiliary clock
> > +                - const: cfg # Configuration clock
> > +                - const: bus_master # Master AXI clock
> > +                - const: bus_slave # Slave AXI clock
> > +                - const: slave_q2a # Slave Q2A clock
> > +                - const: tbu # PCIe TBU clock
> > +                - const: ddrss_sf_tbu # PCIe SF TBU clock
> > +                - const: aggre1 # Aggre NoC PCIe1 AXI clock
> > +      properties:
> > +        resets:
> > +          maxItems: 1
> > +        reset-names:
> > +          items:
> > +            - const: pci # PCIe core reset
> > +
> >    - if:
> >        properties:
> >          compatible:
> > @@ -670,6 +723,7 @@ allOf:
> >                - qcom,pcie-sdm845
> >                - qcom,pcie-sm8150
> >                - qcom,pcie-sm8250
> > +              - qcom,pcie-sm8350
> >                - qcom,pcie-sm8450-pcie0
> >                - qcom,pcie-sm8450-pcie1
> >      then:
> > --
> > 2.35.1
> >
> >



-- 
With best wishes
Dmitry



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