diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml b/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml index edb4f81253c8..f7a3c2636355 100644 --- a/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml +++ b/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml @@ -4,7 +4,7 @@ $id: http://devicetree.org/schemas/pci/microchip,pcie-host.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Microchip PCIe Root Port Bridge Controller Device Tree Bindings +title: Microchip PCIe Root Port Bridge Controller maintainers: - Daire McNamara <daire.mcnamara@microchip.com> @@ -25,6 +25,33 @@ properties: - const: cfg - const: apb + clocks: + description: + Fabric Interface Controllers, FICs, are the interface between the FPGA + fabric and the core complex on PolarFire SoC. The FICs require two clocks, + one from each side of the interface. The "FIC clocks" described by this + property are on the core complex side & communication through a FIC is not + possible unless it's corresponding clock is enabled. A clock must be + enabled for each of the interfaces the root port is connected through. + This could in theory be all 4 interfaces, one interface or any combination + in between. + minItems: 1 + items: + - description: FIC0's clock + - description: FIC1's clock + - description: FIC2's clock + - description: FIC3's clock + + clock-names: + description: + As any FIC connection combination is possible, the names should match the + order in the clocks property and take the form "ficN" where N is a number + 0-3 + minItems: 1 + maxItems: 4 + items: + pattern: '^fic[0-3]$' + interrupts: minItems: 1 items: @@ -40,6 +67,10 @@ properties: ranges: maxItems: 1 + dma-ranges: + minItems: 1 + maxItems: 6 + msi-controller: description: Identifies the node as an MSI controller. |