xref: /freebsd/sys/contrib/device-tree/Bindings/pci/intel,keembay-pcie-ep.yaml (revision aa1a8ff2d6dbc51ef058f46f3db5a8bb77967145) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pci/intel,keembay-pcie-ep.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Intel Keem Bay PCIe controller Endpoint mode
8
9maintainers:
10  - Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
11  - Srikanth Thokala <srikanth.thokala@intel.com>
12
13properties:
14  compatible:
15    const: intel,keembay-pcie-ep
16
17  reg:
18    maxItems: 5
19
20  reg-names:
21    items:
22      - const: dbi
23      - const: dbi2
24      - const: atu
25      - const: addr_space
26      - const: apb
27
28  interrupts:
29    maxItems: 4
30
31  interrupt-names:
32    items:
33      - const: pcie
34      - const: pcie_ev
35      - const: pcie_err
36      - const: pcie_mem_access
37
38  num-lanes:
39    description: Number of lanes to use.
40    enum: [ 1, 2 ]
41
42required:
43  - compatible
44  - reg
45  - reg-names
46  - interrupts
47  - interrupt-names
48
49additionalProperties: false
50
51examples:
52  - |
53    #include <dt-bindings/interrupt-controller/arm-gic.h>
54    #include <dt-bindings/interrupt-controller/irq.h>
55    pcie-ep@37000000 {
56          compatible = "intel,keembay-pcie-ep";
57          reg = <0x37000000 0x00001000>,
58                <0x37100000 0x00001000>,
59                <0x37300000 0x00001000>,
60                <0x36000000 0x01000000>,
61                <0x37800000 0x00000200>;
62          reg-names = "dbi", "dbi2", "atu", "addr_space", "apb";
63          interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>,
64                       <GIC_SPI 108 IRQ_TYPE_EDGE_RISING>,
65                       <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
66                       <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>;
67          interrupt-names = "pcie", "pcie_ev", "pcie_err", "pcie_mem_access";
68          num-lanes = <2>;
69    };
70