Merge tag 'fscache-next-20210829' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-microblaze.git] / Documentation / devicetree / bindings / net / brcm,unimac-mdio.yaml
1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/net/brcm,unimac-mdio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Broadcom UniMAC MDIO bus controller
8
9 maintainers:
10   - Rafał Miłecki <rafal@milecki.pl>
11
12 allOf:
13   - $ref: mdio.yaml#
14
15 properties:
16   compatible:
17     enum:
18       - brcm,genet-mdio-v1
19       - brcm,genet-mdio-v2
20       - brcm,genet-mdio-v3
21       - brcm,genet-mdio-v4
22       - brcm,genet-mdio-v5
23       - brcm,unimac-mdio
24
25   reg:
26     minItems: 1
27     items:
28       - description: base register
29       - description: indirect accesses to larger than 16-bits MDIO transactions
30
31   reg-names:
32     minItems: 1
33     items:
34       - const: mdio
35       - const: mdio_indir_rw
36
37   interrupts:
38     oneOf:
39       - description: >
40           Interrupt shared with the Ethernet MAC or Ethernet switch this MDIO
41           block is integrated from
42       - items:
43           - description: |
44               "mdio done" interrupt
45           - description: |
46               "mdio error" interrupt
47
48   interrupt-names:
49     oneOf:
50       - const: mdio_done_error
51       - items:
52           - const: mdio_done
53           - const: mdio_error
54
55   clocks:
56     description: A reference to the clock supplying the MDIO bus controller
57
58   clock-frequency:
59     description: >
60       The MDIO bus clock that must be output by the MDIO bus hardware, if
61       absent, the default hardware values are used
62
63 unevaluatedProperties: false
64
65 required:
66   - reg
67   - reg-names
68   - '#address-cells'
69   - '#size-cells'
70
71 examples:
72   - |
73     mdio@403c0 {
74         compatible = "brcm,unimac-mdio";
75         reg = <0x403c0 0x8>, <0x40300 0x18>;
76         reg-names = "mdio", "mdio_indir_rw";
77         #address-cells = <1>;
78         #size-cells = <0>;
79
80         ethernet-phy@0 {
81             compatible = "ethernet-phy-ieee802.3-c22";
82             reg = <0>;
83         };
84     };