tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pci/microchip,pcie-host.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Microchip PCIe Root Port Bridge Controller Device Tree Bindings
8
9maintainers:
10 - Daire McNamara <daire.mcnamara@microchip.com>
11
12allOf:
13 - $ref: /schemas/pci/pci-bus.yaml#
14
15properties:
16 compatible:
17 const: microchip,pcie-host-1.0 # PolarFire
18
19 reg:
20 maxItems: 2
21
22 reg-names:
23 items:
24 - const: cfg
25 - const: apb
26
27 interrupts:
28 minItems: 1
29 maxItems: 2
30 items:
31 - description: PCIe host controller
32 - description: builtin MSI controller
33
34 interrupt-names:
35 minItems: 1
36 maxItems: 2
37 items:
38 - const: pcie
39 - const: msi
40
41 ranges:
42 maxItems: 1
43
44 msi-controller:
45 description: Identifies the node as an MSI controller.
46
47 msi-parent:
48 description: MSI controller the device is capable of using.
49
50required:
51 - reg
52 - reg-names
53 - "#interrupt-cells"
54 - interrupts
55 - interrupt-map-mask
56 - interrupt-map
57 - msi-controller
58
59unevaluatedProperties: false
60
61examples:
62 - |
63 soc {
64 #address-cells = <2>;
65 #size-cells = <2>;
66 pcie0: pcie@2030000000 {
67 compatible = "microchip,pcie-host-1.0";
68 reg = <0x0 0x70000000 0x0 0x08000000>,
69 <0x0 0x43000000 0x0 0x00010000>;
70 reg-names = "cfg", "apb";
71 device_type = "pci";
72 #address-cells = <3>;
73 #size-cells = <2>;
74 #interrupt-cells = <1>;
75 interrupts = <119>;
76 interrupt-map-mask = <0x0 0x0 0x0 0x7>;
77 interrupt-map = <0 0 0 1 &pcie_intc0 0>,
78 <0 0 0 2 &pcie_intc0 1>,
79 <0 0 0 3 &pcie_intc0 2>,
80 <0 0 0 4 &pcie_intc0 3>;
81 interrupt-parent = <&plic0>;
82 msi-parent = <&pcie0>;
83 msi-controller;
84 bus-range = <0x00 0x7f>;
85 ranges = <0x03000000 0x0 0x78000000 0x0 0x78000000 0x0 0x04000000>;
86 pcie_intc0: interrupt-controller {
87 #address-cells = <0>;
88 #interrupt-cells = <1>;
89 interrupt-controller;
90 };
91 };
92 };