summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/net/sunplus,sp7021-emac.yaml
blob: 8e51dcdb4796e296e7037684be267b7e8bdf7a05 (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
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
# Copyright (C) Sunplus Co., Ltd. 2021
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/sunplus,sp7021-emac.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Sunplus SP7021 Dual Ethernet MAC Device Tree Bindings

maintainers:
  - Wells Lu <wellslutw@gmail.com>

description: |
  Sunplus SP7021 dual 10M/100M Ethernet MAC controller.
  Device node of the controller has following properties.

properties:
  compatible:
    const: sunplus,sp7021-emac

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    maxItems: 1

  resets:
    maxItems: 1

  ethernet-ports:
    type: object
    additionalProperties: false
    description: Ethernet ports to PHY

    properties:
      "#address-cells":
        const: 1

      "#size-cells":
        const: 0

    patternProperties:
      "^port@[0-1]$":
        type: object
        additionalProperties: false
        description: Port to PHY

        properties:
          reg:
            minimum: 0
            maximum: 1

          phy-handle:
            maxItems: 1

          phy-mode:
            maxItems: 1

          nvmem-cells:
            items:
              - description: nvmem cell address of MAC address

          nvmem-cell-names:
            description: names corresponding to the nvmem cells
            items:
              - const: mac-address

        required:
          - reg
          - phy-handle
          - phy-mode
          - nvmem-cells
          - nvmem-cell-names

  mdio:
    $ref: mdio.yaml#
    unevaluatedProperties: false

additionalProperties: false

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - resets
  - pinctrl-0
  - pinctrl-names
  - ethernet-ports
  - mdio

examples:
  - |
    #include <dt-bindings/interrupt-controller/irq.h>

    ethernet@9c108000 {
        compatible = "sunplus,sp7021-emac";
        reg = <0x9c108000 0x400>;
        interrupt-parent = <&intc>;
        interrupts = <66 IRQ_TYPE_LEVEL_HIGH>;
        clocks = <&clkc 0xa7>;
        resets = <&rstc 0x97>;
        pinctrl-0 = <&emac_demo_board_v3_pins>;
        pinctrl-names = "default";

        ethernet-ports {
            #address-cells = <1>;
            #size-cells = <0>;

            port@0 {
                reg = <0>;
                phy-handle = <&eth_phy0>;
                phy-mode = "rmii";
                nvmem-cells = <&mac_addr0>;
                nvmem-cell-names = "mac-address";
            };

            port@1 {
                reg = <1>;
                phy-handle = <&eth_phy1>;
                phy-mode = "rmii";
                nvmem-cells = <&mac_addr1>;
                nvmem-cell-names = "mac-address";
            };
        };

        mdio {
            #address-cells = <1>;
            #size-cells = <0>;

            eth_phy0: ethernet-phy@0 {
                reg = <0>;
            };

            eth_phy1: ethernet-phy@1 {
                reg = <1>;
            };
        };
    };
...