pci_ep: add Cadence PCIe endpoint driver
Add Cadence PCIe endpoint driver supporting configuration
of header, bars and MSI for device.
Signed-off-by: Ramon Fried <ramon.fried@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/doc/device-tree-bindings/pci_endpoint/cdns,cdns-pcie-ep.txt b/doc/device-tree-bindings/pci_endpoint/cdns,cdns-pcie-ep.txt
new file mode 100644
index 0000000..7705430
--- /dev/null
+++ b/doc/device-tree-bindings/pci_endpoint/cdns,cdns-pcie-ep.txt
@@ -0,0 +1,18 @@
+* 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>;
+};