This patch documents the DT bindings for the Cadence PCIe controller
when configured in endpoint mode.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@xxxxxxxxxxxxxxxxxx>
---
.../devicetree/bindings/pci/cdns,cdns-pcie-ep.txt | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt
diff --git a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt
new file mode 100644
index 000000000000..d4168d79cceb
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt
@@ -0,0 +1,20 @@
+* 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 and AXI interface
+ region base address respectively.
+- reg-names: Must be "reg" and "mem" respectively.
+
+Optional properties:
+- max-functions: maximum number of functions that can be configured.
+
+Example:
+
+ pci@fc000000 {
+ compatible = "cdns,cdns-pcie-ep";
+ reg = <0x0 0xfc000000 0x0 0x01000000>, /* Base Address */
+ <0x0 0x80000000 0x0 0x40000000>; /* AXI region */
+ reg-names = "reg", "mem";
+ max-functions = /bits/ 8 <8>;
+ };
--
2.11.0
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