Re: [PATCH V3 3/6] dt-bindings: PCI: qcom: Add IPQ9574

[Devi Priya <quic_devipriy@xxxxxxxxxxx>]

On 4/25/2023 11:03 PM, Rob Herring wrote:
> On Fri, Apr 21, 2023 at 06:19:35PM +0530, Devi Priya wrote:
> > Add bindings for PCIe hosts on IPQ9574 platform and allow
> > msi-parent property.
>
> Go see the long discussion about why msi-parent with msi-map is wrong.
> If something changed, explain that here.
Sure, okay

Thanks,
Devi Priya
> > Signed-off-by: Devi Priya <quic_devipriy@xxxxxxxxxxx>
> > ---
> >   Changes in V3:
> > 	- Rebased on linux-next/master
> >
> >   .../devicetree/bindings/pci/qcom,pcie.yaml    | 40 +++++++++++++++++++
> >   1 file changed, 40 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> > index 81971be4e554..a92cecc5fe6f 100644
> > --- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> > +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> > @@ -26,6 +26,7 @@ properties:
> >             - qcom,pcie-ipq8064-v2
> >             - qcom,pcie-ipq8074
> >             - qcom,pcie-ipq8074-gen3
> > +          - qcom,pcie-ipq9574
> >             - qcom,pcie-msm8996
> >             - qcom,pcie-qcs404
> >             - qcom,pcie-sa8540p
> > @@ -113,6 +114,8 @@ properties:
> >     power-domains:
> >       maxItems: 1
> >   
> > +  msi-parent: true
> > +
> >     perst-gpios:
> >       description: GPIO controlled connection to PERST# signal
> >       maxItems: 1
> > @@ -138,6 +141,8 @@ anyOf:
> >     - required:
> >         - msi-map
> >         - msi-map-mask
> > +  - required:
> > +      - msi-parent
> >   
> >   allOf:
> >     - $ref: /schemas/pci/pci-bus.yaml#
> > @@ -171,6 +176,7 @@ allOf:
> >               enum:
> >                 - qcom,pcie-ipq6018
> >                 - qcom,pcie-ipq8074-gen3
> > +              - qcom,pcie-ipq9574
> >       then:
> >         properties:
> >           reg:
> > @@ -382,6 +388,39 @@ allOf:
> >               - const: ahb # AHB Reset
> >               - const: axi_m_sticky # AXI Master Sticky reset
> >   
> > +  - if:
> > +      properties:
> > +        compatible:
> > +          contains:
> > +            enum:
> > +              - qcom,pcie-ipq9574
> > +    then:
> > +      properties:
> > +        clocks:
> > +          minItems: 6
> > +          maxItems: 6
> > +        clock-names:
> > +          items:
> > +            - const: ahb  # AHB clock
> > +            - const: aux  # Auxiliary clock
> > +            - const: axi_m # AXI Master clock
> > +            - const: axi_s # AXI Slave clock
> > +            - const: axi_bridge # AXI bridge clock
> > +            - const: rchng
> > +        resets:
> > +          minItems: 8
> > +          maxItems: 8
> > +        reset-names:
> > +          items:
> > +            - const: pipe # PIPE reset
> > +            - const: sticky # Core Sticky reset
> > +            - const: axi_s_sticky # AXI Slave Sticky reset
> > +            - const: axi_s # AXI Slave reset
> > +            - const: axi_m_sticky # AXI Master Sticky reset
> > +            - const: axi_m # AXI Master reset
> > +            - const: aux # AUX Reset
> > +            - const: ahb # AHB Reset
> > +
> >     - if:
> >         properties:
> >           compatible:
> > @@ -767,6 +806,7 @@ allOf:
> >                   - qcom,pcie-ipq8064v2
> >                   - qcom,pcie-ipq8074
> >                   - qcom,pcie-ipq8074-gen3
> > +                - qcom,pcie-ipq9574
> >                   - qcom,pcie-qcs404
> >       then:
> >         required:
> > --
> > 2.17.1