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

Rob Herring
2023-04-25T17:33:38Z

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.

>
> Signed-off-by: Devi Priya <quic_devipriy@quicinc.com>
> ---
> 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
>