[RFC PATCH 01/21] dt-bindings: PCI: Endpoint: Add DT bindings for PCI EPF Bus
From: Kishon Vijay Abraham I <hidden>
Date: 2019-09-26 11:30:49
Also in:
linux-devicetree, linux-pci, lkml
Subsystem:
open firmware and flattened device tree bindings, pci native host bridge and endpoint drivers, pci subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Lorenzo Pieralisi, Krzysztof Wilczyński, Manivannan Sadhasivam, Bjorn Helgaas, Linus Torvalds
Add device tree bindings for PCI endpoint function bus to which endpoint function devices should be attached. Signed-off-by: Kishon Vijay Abraham I <redacted> --- .../bindings/pci/endpoint/pci-epf-bus.txt | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/endpoint/pci-epf-bus.txt
diff --git a/Documentation/devicetree/bindings/pci/endpoint/pci-epf-bus.txt b/Documentation/devicetree/bindings/pci/endpoint/pci-epf-bus.txt
new file mode 100644
index 000000000000..16727ddf01f5
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/endpoint/pci-epf-bus.txt@@ -0,0 +1,27 @@ +PCI Endpoint Function Bus + +This describes the bindings for endpoint function bus to which endpoint +function devices should be attached. + +Required Properties: + - compatible: Should be "pci-epf-bus" + +One or more subnodes representing PCIe endpoint function device exposed +to the remote host. + +Example: +Following is an example of NTB device exposed to the remote host. + +epf_bus { + compatible = "pci-epf-bus"; + + ntb { + compatible = "pci-epf-ntb"; + epcs = <&pcie0_ep>, <&pcie1_ep>; + epc-names = "primary", "secondary"; + vendor-id = /bits/ 16 <0x104c>; + device-id = /bits/ 16 <0xb00d>; + num-mws = <4>; + mws-size = <0x100000>, <0x100000>, <0x100000>, <0x100000>; + }; +};
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2.17.1