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authorKishon Vijay Abraham I <kishon@ti.com>2020-03-05 16:00:15 +0530
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2020-03-20 09:55:14 +0000
commit69501078fc605810d777a4bbc4df7d09c561998e (patch)
treee28f204052aed244333519e52ed0eceae169d8f3 /Documentation/devicetree/bindings/pci
parent847dbf4e1aba7e6fc3c19c22a046a34eba1cf76a (diff)
dt-bindings: PCI: cadence: Add PCIe RC/EP DT schema for Cadence PCIe
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 <kishon@ti.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/pci')
-rw-r--r--Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml27
-rw-r--r--Documentation/devicetree/bindings/pci/cdns-pcie.yaml31
2 files changed, 58 insertions, 0 deletions
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