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1* Amazon Annapurna Labs PCIe host bridge2 3Amazon's Annapurna Labs PCIe Host Controller is based on the Synopsys DesignWare4PCI core. It inherits common properties defined in5Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml.6 7Properties of the host controller node that differ from it are:8 9- compatible:10 Usage: required11 Value type: <stringlist>12 Definition: Value should contain13 - "amazon,al-alpine-v2-pcie" for alpine_v214 - "amazon,al-alpine-v3-pcie" for alpine_v315 16- reg:17 Usage: required18 Value type: <prop-encoded-array>19 Definition: Register ranges as listed in the reg-names property20 21- reg-names:22 Usage: required23 Value type: <stringlist>24 Definition: Must include the following entries25 - "config" PCIe ECAM space26 - "controller" AL proprietary registers27 - "dbi" Designware PCIe registers28 29Example:30 31 pcie-external0: pcie@fb600000 {32 compatible = "amazon,al-alpine-v3-pcie";33 reg = <0x0 0xfb600000 0x0 0x0010000034 0x0 0xfd800000 0x0 0x0001000035 0x0 0xfd810000 0x0 0x00001000>;36 reg-names = "config", "controller", "dbi";37 bus-range = <0 255>;38 device_type = "pci";39 #address-cells = <3>;40 #size-cells = <2>;41 #interrupt-cells = <1>;42 interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;43 interrupt-map-mask = <0x00 0 0 7>;44 interrupt-map = <0x0000 0 0 1 &gic GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>; /* INTa */45 ranges = <0x02000000 0x0 0xc0010000 0x0 0xc0010000 0x0 0x07ff0000>;46 };47