summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/pci/xlnx,xdma-host.yaml
blob: f1efd919c3514f65113352e954a28285c1d589ff (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pci/xlnx,xdma-host.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Xilinx XDMA PL PCIe Root Port Bridge

maintainers:
  - Thippeswamy Havalige <thippeswamy.havalige@amd.com>

allOf:
  - $ref: /schemas/pci/pci-host-bridge.yaml#

properties:
  compatible:
    enum:
      - xlnx,xdma-host-3.00
      - xlnx,qdma-host-3.00

  reg:
    items:
      - description: configuration region and XDMA bridge register.
      - description: QDMA bridge register.
    minItems: 1

  reg-names:
    items:
      - const: cfg
      - const: breg
    minItems: 1

  ranges:
    maxItems: 2

  interrupts:
    items:
      - description: interrupt asserted when miscellaneous interrupt is received.
      - description: msi0 interrupt asserted when an MSI is received.
      - description: msi1 interrupt asserted when an MSI is received.

  interrupt-names:
    items:
      - const: misc
      - const: msi0
      - const: msi1

  interrupt-map-mask:
    items:
      - const: 0
      - const: 0
      - const: 0
      - const: 7

  interrupt-map:
    maxItems: 4

  "#interrupt-cells":
    const: 1

  interrupt-controller:
    description: identifies the node as an interrupt controller
    type: object
    properties:
      interrupt-controller: true

      "#address-cells":
        const: 0

      "#interrupt-cells":
        const: 1

    required:
      - interrupt-controller
      - "#address-cells"
      - "#interrupt-cells"

    additionalProperties: false

required:
  - compatible
  - reg
  - ranges
  - interrupts
  - interrupt-map
  - interrupt-map-mask
  - "#interrupt-cells"
  - interrupt-controller

if:
  properties:
    compatible:
      contains:
        enum:
          - xlnx,qdma-host-3.00
then:
  properties:
    reg:
      minItems: 2
    reg-names:
      minItems: 2
  required:
    - reg-names
else:
  properties:
    reg:
      maxItems: 1
    reg-names:
      maxItems: 1

unevaluatedProperties: false

examples:

  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/interrupt-controller/irq.h>

    soc {
        #address-cells = <2>;
        #size-cells = <2>;
        pcie@a0000000 {
            compatible = "xlnx,xdma-host-3.00";
            reg = <0x0 0xa0000000 0x0 0x10000000>;
            ranges = <0x2000000 0x0 0xb0000000 0x0 0xb0000000 0x0 0x1000000>,
                     <0x43000000 0x5 0x0 0x5 0x0 0x0 0x1000000>;
            #address-cells = <3>;
            #size-cells = <2>;
            #interrupt-cells = <1>;
            device_type = "pci";
            interrupt-parent = <&gic>;
            interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>,
                         <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
            interrupt-names = "misc", "msi0", "msi1";
            interrupt-map-mask = <0x0 0x0 0x0 0x7>;
            interrupt-map = <0 0 0 1 &pcie_intc_0 0>,
                            <0 0 0 2 &pcie_intc_0 1>,
                            <0 0 0 3 &pcie_intc_0 2>,
                            <0 0 0 4 &pcie_intc_0 3>;
            pcie_intc_0: interrupt-controller {
                #address-cells = <0>;
                #interrupt-cells = <1>;
                interrupt-controller;
            };
        };
    };