linux-kernel - Re: [RESEND PATCH v9 1/2] dt-bindings: PCI: qcom: Add SM8550 compatible

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Message-ID: <20230321195429.GA1341884-robh@kernel.org>
Date:   Tue, 21 Mar 2023 14:54:29 -0500
From:   Rob Herring <robh@...nel.org>
To:     Abel Vesa <abel.vesa@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Johan Hovold <johan+linaro@...nel.org>
Subject: Re: [RESEND PATCH v9 1/2] dt-bindings: PCI: qcom: Add SM8550
 compatible

On Mon, Mar 20, 2023 at 04:46:57PM +0200, Abel Vesa wrote:
> Add the SM8550 platform to the binding.
> 
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Reviewed-by: Johan Hovold <johan+linaro@...nel.org>
> ---
> 
> This patch is a resend of the following:
> https://lore.kernel.org/all/20230208180020.2761766-10-abel.vesa@linaro.org/
> 
> No changes since then.
> 
>  .../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 fb32c43dd12d..be7b4b805291 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> @@ -38,6 +38,7 @@ properties:
>            - qcom,pcie-sm8350
>            - qcom,pcie-sm8450-pcie0
>            - qcom,pcie-sm8450-pcie1
> +          - qcom,pcie-sm8550
>        - items:
>            - const: qcom,pcie-msm8998
>            - const: qcom,pcie-msm8996
> @@ -58,6 +59,12 @@ properties:
>      minItems: 1
>      maxItems: 8
>  
> +  iommus:
> +    maxItems: 1
> +
> +  iommu-map:
> +    maxItems: 2

I think this will conflict with a series from Mani. 'iommus' use is also 
wrong here.

> +
>    # Common definitions for clocks, clock-names and reset.
>    # Platform constraints are described later.
>    clocks:
> @@ -205,6 +212,7 @@ allOf:
>                - qcom,pcie-sm8350
>                - qcom,pcie-sm8450-pcie0
>                - qcom,pcie-sm8450-pcie1
> +              - qcom,pcie-sm8550
>      then:
>        properties:
>          reg:
> @@ -639,6 +647,37 @@ allOf:
>            items:
>              - const: pci # PCIe core reset
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,pcie-sm8550
> +    then:
> +      properties:
> +        clocks:
> +          minItems: 7
> +          maxItems: 8
> +        clock-names:
> +          minItems: 7
> +          items:
> +            - 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: ddrss_sf_tbu # PCIe SF TBU clock
> +            - const: noc_aggr # Aggre NoC PCIe AXI clock
> +            - const: cnoc_sf_axi # Config NoC PCIe1 AXI clock
> +        resets:
> +          minItems: 1
> +          maxItems: 2
> +        reset-names:
> +          minItems: 1
> +          items:
> +            - const: pci # PCIe core reset
> +            - const: link_down # PCIe link down reset
> +
>    - if:
>        properties:
>          compatible:
> @@ -724,6 +763,7 @@ allOf:
>                - qcom,pcie-sm8350
>                - qcom,pcie-sm8450-pcie0
>                - qcom,pcie-sm8450-pcie1
> +              - qcom,pcie-sm8550
>      then:
>        oneOf:
>          - properties:
> -- 
> 2.34.1
>