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* Cadence PCIe endpoint controller

Required properties:
- compatible: Should contain "cdns,cdns-pcie-ep" to identify the IP used.
- reg: Should contain the controller register base address.

Optional properties:
- max-functions: Maximum number of functions that can be configured (default 1).
- cdns,max-outbound-regions: Set to maximum number of outbound regions (default 8)

Example:

pcie_ep@fc000000 {
	compatible = "cdns,cdns-pcie-ep";
	reg = <0x0 0xfc000000 0x0 0x01000000>;
	cdns,max-outbound-regions = <16>;
	max-functions = /bits/ 8 <8>;
};