Re: [PATCH v3 09/11] dt-bindings: PCI: Add StarFive JH7110 PCIe controller

[Conor Dooley]

On Mon, Aug 14, 2023 at 04:20:14PM +0800, Minda Chen wrote:
> Add StarFive JH7110 SoC PCIe controller dt-bindings.
> JH7110 using PLDA XpressRICH PCIe host controller IP.
> 
> Signed-off-by: Minda Chen <minda.chen@xxxxxxxxxxxxxxxx>
> Reviewed-by: Hal Feng <hal.feng@xxxxxxxxxxxxxxxx>

This looks good to me now, thanks.
Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

Thanks,
Conor.

> ---
>  .../bindings/pci/starfive,jh7110-pcie.yaml    | 120 ++++++++++++++++++
>  1 file changed, 120 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pci/starfive,jh7110-pcie.yaml
> 
> diff --git a/Documentation/devicetree/bindings/pci/starfive,jh7110-pcie.yaml b/Documentation/devicetree/bindings/pci/starfive,jh7110-pcie.yaml
> new file mode 100644
> index 000000000000..67151aaa3948
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pci/starfive,jh7110-pcie.yaml
> @@ -0,0 +1,120 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pci/starfive,jh7110-pcie.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: StarFive JH7110 PCIe host controller
> +
> +maintainers:
> +  - Kevin Xie <kevin.xie@xxxxxxxxxxxxxxxx>
> +
> +allOf:
> +  - $ref: plda,xpressrich3-axi-common.yaml#
> +
> +properties:
> +  compatible:
> +    const: starfive,jh7110-pcie
> +
> +  clocks:
> +    items:
> +      - description: NOC bus clock
> +      - description: Transport layer clock
> +      - description: AXI MST0 clock
> +      - description: APB clock
> +
> +  clock-names:
> +    items:
> +      - const: noc
> +      - const: tl
> +      - const: axi_mst0
> +      - const: apb
> +
> +  resets:
> +    items:
> +      - description: AXI MST0 reset
> +      - description: AXI SLAVE0 reset
> +      - description: AXI SLAVE reset
> +      - description: PCIE BRIDGE reset
> +      - description: PCIE CORE reset
> +      - description: PCIE APB reset
> +
> +  reset-names:
> +    items:
> +      - const: mst0
> +      - const: slv0
> +      - const: slv
> +      - const: brg
> +      - const: core
> +      - const: apb
> +
> +  starfive,stg-syscon:
> +    $ref: /schemas/types.yaml#/definitions/phandle-array
> +    description:
> +      The phandle to System Register Controller syscon node.
> +
> +  perst-gpios:
> +    description: GPIO controlled connection to PERST# signal
> +    maxItems: 1
> +
> +  phys:
> +    description:
> +      Specified PHY is attached to PCIe controller.
> +    maxItems: 1
> +
> +required:
> +  - clocks
> +  - resets
> +  - starfive,stg-syscon
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +    soc {
> +        #address-cells = <2>;
> +        #size-cells = <2>;
> +
> +        pcie@940000000 {
> +            compatible = "starfive,jh7110-pcie";
> +            reg = <0x9 0x40000000 0x0 0x10000000>,
> +                  <0x0 0x2b000000 0x0 0x1000000>;
> +            reg-names = "cfg", "apb";
> +            #address-cells = <3>;
> +            #size-cells = <2>;
> +            #interrupt-cells = <1>;
> +            device_type = "pci";
> +            ranges = <0x82000000  0x0 0x30000000  0x0 0x30000000 0x0 0x08000000>,
> +                     <0xc3000000  0x9 0x00000000  0x9 0x00000000 0x0 0x40000000>;
> +            starfive,stg-syscon = <&stg_syscon>;
> +            bus-range = <0x0 0xff>;
> +            interrupt-parent = <&plic>;
> +            interrupts = <56>;
> +            interrupt-map-mask = <0x0 0x0 0x0 0x7>;
> +            interrupt-map = <0x0 0x0 0x0 0x1 &pcie_intc0 0x1>,
> +                            <0x0 0x0 0x0 0x2 &pcie_intc0 0x2>,
> +                            <0x0 0x0 0x0 0x3 &pcie_intc0 0x3>,
> +                            <0x0 0x0 0x0 0x4 &pcie_intc0 0x4>;
> +            msi-controller;
> +            clocks = <&syscrg 86>,
> +                     <&stgcrg 10>,
> +                     <&stgcrg 8>,
> +                     <&stgcrg 9>;
> +            clock-names = "noc", "tl", "axi_mst0", "apb";
> +            resets = <&stgcrg 11>,
> +                     <&stgcrg 12>,
> +                     <&stgcrg 13>,
> +                     <&stgcrg 14>,
> +                     <&stgcrg 15>,
> +                     <&stgcrg 16>;
> +            perst-gpios = <&gpios 26 GPIO_ACTIVE_LOW>;
> +            phys = <&pciephy0>;
> +
> +            pcie_intc0: interrupt-controller {
> +                #address-cells = <0>;
> +                #interrupt-cells = <1>;
> +                interrupt-controller;
> +            };
> +        };
> +    };
> -- 
> 2.17.1
>

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