0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/pci/versatile.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: ARM Versatile Platform Baseboard PCI interface
0008
0009 maintainers:
0010 - Rob Herring <robh@kernel.org>
0011
0012 description: |+
0013 PCI host controller found on the ARM Versatile PB board's FPGA.
0014
0015 allOf:
0016 - $ref: /schemas/pci/pci-bus.yaml#
0017
0018 properties:
0019 compatible:
0020 const: arm,versatile-pci
0021
0022 reg:
0023 items:
0024 - description: Versatile-specific registers
0025 - description: Self Config space
0026 - description: Config space
0027
0028 ranges:
0029 maxItems: 3
0030
0031 "#interrupt-cells": true
0032
0033 interrupt-map:
0034 maxItems: 16
0035
0036 interrupt-map-mask:
0037 items:
0038 - const: 0x1800
0039 - const: 0
0040 - const: 0
0041 - const: 7
0042
0043 required:
0044 - compatible
0045 - reg
0046 - ranges
0047 - "#interrupt-cells"
0048 - interrupt-map
0049 - interrupt-map-mask
0050
0051 unevaluatedProperties: false
0052
0053 examples:
0054 - |
0055 pci@10001000 {
0056 compatible = "arm,versatile-pci";
0057 device_type = "pci";
0058 reg = <0x10001000 0x1000>,
0059 <0x41000000 0x10000>,
0060 <0x42000000 0x100000>;
0061 bus-range = <0 0xff>;
0062 #address-cells = <3>;
0063 #size-cells = <2>;
0064 #interrupt-cells = <1>;
0065
0066 ranges =
0067 <0x01000000 0 0x00000000 0x43000000 0 0x00010000>, /* downstream I/O */
0068 <0x02000000 0 0x50000000 0x50000000 0 0x10000000>, /* non-prefetchable memory */
0069 <0x42000000 0 0x60000000 0x60000000 0 0x10000000>; /* prefetchable memory */
0070
0071 interrupt-map-mask = <0x1800 0 0 7>;
0072 interrupt-map = <0x1800 0 0 1 &sic 28>,
0073 <0x1800 0 0 2 &sic 29>,
0074 <0x1800 0 0 3 &sic 30>,
0075 <0x1800 0 0 4 &sic 27>,
0076
0077 <0x1000 0 0 1 &sic 27>,
0078 <0x1000 0 0 2 &sic 28>,
0079 <0x1000 0 0 3 &sic 29>,
0080 <0x1000 0 0 4 &sic 30>,
0081
0082 <0x0800 0 0 1 &sic 30>,
0083 <0x0800 0 0 2 &sic 27>,
0084 <0x0800 0 0 3 &sic 28>,
0085 <0x0800 0 0 4 &sic 29>,
0086
0087 <0x0000 0 0 1 &sic 29>,
0088 <0x0000 0 0 2 &sic 30>,
0089 <0x0000 0 0 3 &sic 27>,
0090 <0x0000 0 0 4 &sic 28>;
0091 };
0092
0093
0094 ...
