xref: /freebsd/sys/contrib/device-tree/Bindings/pci/rcar-pci-ep.yaml (revision cab6a39d7b343596a5823e65c0f7b426551ec22d) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2# Copyright (C) 2020 Renesas Electronics Europe GmbH - https://www.renesas.com/eu/en/
3%YAML 1.2
4---
5$id: http://devicetree.org/schemas/pci/rcar-pci-ep.yaml#
6$schema: http://devicetree.org/meta-schemas/core.yaml#
7
8title: Renesas R-Car PCIe Endpoint
9
10maintainers:
11  - Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
12  - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
13
14properties:
15  compatible:
16    items:
17      - enum:
18          - renesas,r8a774a1-pcie-ep     # RZ/G2M
19          - renesas,r8a774b1-pcie-ep     # RZ/G2N
20          - renesas,r8a774c0-pcie-ep     # RZ/G2E
21          - renesas,r8a774e1-pcie-ep     # RZ/G2H
22      - const: renesas,rcar-gen3-pcie-ep # R-Car Gen3 and RZ/G2
23
24  reg:
25    maxItems: 5
26
27  reg-names:
28    items:
29      - const: apb-base
30      - const: memory0
31      - const: memory1
32      - const: memory2
33      - const: memory3
34
35  interrupts:
36    minItems: 3
37    maxItems: 3
38
39  power-domains:
40    maxItems: 1
41
42  resets:
43    maxItems: 1
44
45  clocks:
46    maxItems: 1
47
48  clock-names:
49    items:
50      - const: pcie
51
52  max-functions:
53    minimum: 1
54    maximum: 1
55
56required:
57  - compatible
58  - reg
59  - reg-names
60  - interrupts
61  - resets
62  - power-domains
63  - clocks
64  - clock-names
65  - max-functions
66
67additionalProperties: false
68
69examples:
70  - |
71    #include <dt-bindings/clock/r8a774c0-cpg-mssr.h>
72    #include <dt-bindings/interrupt-controller/arm-gic.h>
73    #include <dt-bindings/power/r8a774c0-sysc.h>
74
75     pcie0_ep: pcie-ep@fe000000 {
76            compatible = "renesas,r8a774c0-pcie-ep",
77                         "renesas,rcar-gen3-pcie-ep";
78            reg = <0xfe000000 0x80000>,
79                  <0xfe100000 0x100000>,
80                  <0xfe200000 0x200000>,
81                  <0x30000000 0x8000000>,
82                  <0x38000000 0x8000000>;
83            reg-names = "apb-base", "memory0", "memory1", "memory2", "memory3";
84            interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
85                         <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
86                         <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
87            resets = <&cpg 319>;
88            power-domains = <&sysc R8A774C0_PD_ALWAYS_ON>;
89            clocks = <&cpg CPG_MOD 319>;
90            clock-names = "pcie";
91            max-functions = /bits/ 8 <1>;
92    };
93