xref: /freebsd/sys/contrib/device-tree/Bindings/pci/versatile.yaml (revision 2e3507c25e42292b45a5482e116d278f5515d04d) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pci/versatile.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: ARM Versatile Platform Baseboard PCI interface
8
9maintainers:
10  - Rob Herring <robh@kernel.org>
11
12description: |+
13  PCI host controller found on the ARM Versatile PB board's FPGA.
14
15allOf:
16  - $ref: /schemas/pci/pci-bus.yaml#
17
18properties:
19  compatible:
20    const: arm,versatile-pci
21
22  reg:
23    items:
24      - description: Versatile-specific registers
25      - description: Self Config space
26      - description: Config space
27
28  ranges:
29    maxItems: 3
30
31  "#interrupt-cells": true
32
33  interrupt-map:
34    maxItems: 16
35
36  interrupt-map-mask:
37    items:
38      - const: 0x1800
39      - const: 0
40      - const: 0
41      - const: 7
42
43required:
44  - compatible
45  - reg
46  - ranges
47  - "#interrupt-cells"
48  - interrupt-map
49  - interrupt-map-mask
50
51unevaluatedProperties: false
52
53examples:
54  - |
55    pci@10001000 {
56      compatible = "arm,versatile-pci";
57      device_type = "pci";
58      reg = <0x10001000 0x1000>,
59            <0x41000000 0x10000>,
60            <0x42000000 0x100000>;
61      bus-range = <0 0xff>;
62      #address-cells = <3>;
63      #size-cells = <2>;
64      #interrupt-cells = <1>;
65
66      ranges =
67          <0x01000000 0 0x00000000 0x43000000 0 0x00010000>,  /* downstream I/O */
68          <0x02000000 0 0x50000000 0x50000000 0 0x10000000>,  /* non-prefetchable memory */
69          <0x42000000 0 0x60000000 0x60000000 0 0x10000000>;  /* prefetchable memory */
70
71      interrupt-map-mask = <0x1800 0 0 7>;
72      interrupt-map = <0x1800 0 0 1 &sic 28>,
73          <0x1800 0 0 2 &sic 29>,
74          <0x1800 0 0 3 &sic 30>,
75          <0x1800 0 0 4 &sic 27>,
76
77          <0x1000 0 0 1 &sic 27>,
78          <0x1000 0 0 2 &sic 28>,
79          <0x1000 0 0 3 &sic 29>,
80          <0x1000 0 0 4 &sic 30>,
81
82          <0x0800 0 0 1 &sic 30>,
83          <0x0800 0 0 2 &sic 27>,
84          <0x0800 0 0 3 &sic 28>,
85          <0x0800 0 0 4 &sic 29>,
86
87          <0x0000 0 0 1 &sic 29>,
88          <0x0000 0 0 2 &sic 30>,
89          <0x0000 0 0 3 &sic 27>,
90          <0x0000 0 0 4 &sic 28>;
91    };
92
93
94...
95