[PATCH v4 2/4] dt-bindings: PCI: cadence: Add PCIe RC/EP DT schema for Cadence PCIe
From: Kishon Vijay Abraham I <hidden>
Date: 2020-03-03 09:59:15
Also in:
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 PCIe Host (RC) and Endpoint (EP) device tree schema for Cadence PCIe core library. Platforms using Cadence PCIe core can include the schemas added here in the platform specific schemas. Signed-off-by: Kishon Vijay Abraham I <redacted> Reviewed-by: Rob Herring <robh@kernel.org> --- .../bindings/pci/cdns-pcie-host.yaml | 27 ++++++++++++++++ .../devicetree/bindings/pci/cdns-pcie.yaml | 31 +++++++++++++++++++ 2 files changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml create mode 100644 Documentation/devicetree/bindings/pci/cdns-pcie.yaml
diff --git a/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml b/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml
new file mode 100644
index 000000000000..ab6e43b636ec
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml@@ -0,0 +1,27 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/pci/cdns-pcie-host.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Cadence PCIe Host + +maintainers: + - Tom Joseph <tjoseph@cadence.com> + +allOf: + - $ref: "/schemas/pci/pci-bus.yaml#" + - $ref: "cdns-pcie.yaml#" + +properties: + cdns,no-bar-match-nbits: + description: + Set into the no BAR match register to configure the number of least + significant bits kept during inbound (PCIe -> AXI) address translations + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 64 + default: 32 + + msi-parent: true
diff --git a/Documentation/devicetree/bindings/pci/cdns-pcie.yaml b/Documentation/devicetree/bindings/pci/cdns-pcie.yaml
new file mode 100644
index 000000000000..6887ccc339cc
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/cdns-pcie.yaml@@ -0,0 +1,31 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/pci/cdns-pcie.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Cadence PCIe Core + +maintainers: + - Tom Joseph <tjoseph@cadence.com> + +properties: + cdns,max-outbound-regions: + description: maximum number of outbound regions + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 1 + maximum: 32 + default: 32 + + phys: + description: + One per lane if more than one in the list. If only one PHY listed it must + manage all lanes. + minItems: 1 + maxItems: 16 + + phy-names: + items: + - const: pcie-phy + # FIXME: names when more than 1
--
2.17.1