FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/pci/axis,artpec6-pcie.txt

     * Axis ARTPEC-6 PCIe interface
     
     This PCIe host controller is based on the Synopsys DesignWare PCIe IP
     and thus inherits all the common properties defined in snps,dw-pcie.yaml.
     
     Required properties:
     - compatible: "axis,artpec6-pcie", "snps,dw-pcie" for ARTPEC-6 in RC mode;
                   "axis,artpec6-pcie-ep", "snps,dw-pcie" for ARTPEC-6 in EP mode;
                   "axis,artpec7-pcie", "snps,dw-pcie" for ARTPEC-7 in RC mode;
                  "axis,artpec7-pcie-ep", "snps,dw-pcie" for ARTPEC-7 in EP mode;
    - reg: base addresses and lengths of the PCIe controller (DBI),
            the PHY controller, and configuration address space.
    - reg-names: Must include the following entries:
            - "dbi"
            - "phy"
            - "config"
    - interrupts: A list of interrupt outputs of the controller. Must contain an
      entry for each entry in the interrupt-names property.
    - interrupt-names: Must include the following entries:
            - "msi": The interrupt that is asserted when an MSI is received
    - axis,syscon-pcie: A phandle pointing to the ARTPEC-6 system controller,
            used to enable and control the Synopsys IP.
    
    Example:
    
            pcie@f8050000 {
                    compatible = "axis,artpec6-pcie", "snps,dw-pcie";
                    reg = <0xf8050000 0x2000
                           0xf8040000 0x1000
                           0xc0000000 0x2000>;
                    reg-names = "dbi", "phy", "config";
                    #address-cells = <3>;
                    #size-cells = <2>;
                    device_type = "pci";
                              /* downstream I/O */
                    ranges = <0x81000000 0 0 0xc0002000 0 0x00010000
                              /* non-prefetchable memory */
                              0x82000000 0 0xc0012000 0xc0012000 0 0x1ffee000>;
                    num-lanes = <2>;
                    bus-range = <0x00 0xff>;
                    interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
                    interrupt-names = "msi";
                    #interrupt-cells = <1>;
                    interrupt-map-mask = <0 0 0 0x7>;
                    interrupt-map = <0 0 0 1 &intc GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
                                    <0 0 0 2 &intc GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
                                    <0 0 0 3 &intc GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
                                    <0 0 0 4 &intc GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
                    axis,syscon-pcie = <&syscon>;
            };

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