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Diffstat (limited to 'Documentation/devicetree/bindings/pci/versatile.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/pci/versatile.yaml | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pci/versatile.yaml b/Documentation/devicetree/bindings/pci/versatile.yaml new file mode 100644 index 000000000..09748ef6b --- /dev/null +++ b/Documentation/devicetree/bindings/pci/versatile.yaml @@ -0,0 +1,94 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/versatile.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ARM Versatile Platform Baseboard PCI interface + +maintainers: + - Rob Herring <robh@kernel.org> + +description: |+ + PCI host controller found on the ARM Versatile PB board's FPGA. + +allOf: + - $ref: /schemas/pci/pci-bus.yaml# + +properties: + compatible: + const: arm,versatile-pci + + reg: + items: + - description: Versatile-specific registers + - description: Self Config space + - description: Config space + + ranges: + maxItems: 3 + + "#interrupt-cells": true + + interrupt-map: + maxItems: 16 + + interrupt-map-mask: + items: + - const: 0x1800 + - const: 0 + - const: 0 + - const: 7 + +required: + - compatible + - reg + - ranges + - "#interrupt-cells" + - interrupt-map + - interrupt-map-mask + +unevaluatedProperties: false + +examples: + - | + pci@10001000 { + compatible = "arm,versatile-pci"; + device_type = "pci"; + reg = <0x10001000 0x1000>, + <0x41000000 0x10000>, + <0x42000000 0x100000>; + bus-range = <0 0xff>; + #address-cells = <3>; + #size-cells = <2>; + #interrupt-cells = <1>; + + ranges = + <0x01000000 0 0x00000000 0x43000000 0 0x00010000>, /* downstream I/O */ + <0x02000000 0 0x50000000 0x50000000 0 0x10000000>, /* non-prefetchable memory */ + <0x42000000 0 0x60000000 0x60000000 0 0x10000000>; /* prefetchable memory */ + + interrupt-map-mask = <0x1800 0 0 7>; + interrupt-map = <0x1800 0 0 1 &sic 28>, + <0x1800 0 0 2 &sic 29>, + <0x1800 0 0 3 &sic 30>, + <0x1800 0 0 4 &sic 27>, + + <0x1000 0 0 1 &sic 27>, + <0x1000 0 0 2 &sic 28>, + <0x1000 0 0 3 &sic 29>, + <0x1000 0 0 4 &sic 30>, + + <0x0800 0 0 1 &sic 30>, + <0x0800 0 0 2 &sic 27>, + <0x0800 0 0 3 &sic 28>, + <0x0800 0 0 4 &sic 29>, + + <0x0000 0 0 1 &sic 29>, + <0x0000 0 0 2 &sic 30>, + <0x0000 0 0 3 &sic 27>, + <0x0000 0 0 4 &sic 28>; + }; + + +... |