blob: 6684810fcbf01cd337e56f8747a542a0f1acecb2 [file] [log] [blame]
Tom Rini53633a82024-02-29 12:33:36 -05001# 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
7title: Broadcom UniMAC MDIO bus controller
8
9maintainers:
10 - Doug Berger <opendmb@gmail.com>
11 - Florian Fainelli <f.fainelli@gmail.com>
12 - Rafał Miłecki <rafal@milecki.pl>
13
14allOf:
15 - $ref: mdio.yaml#
16
17properties:
18 compatible:
19 enum:
20 - brcm,genet-mdio-v1
21 - brcm,genet-mdio-v2
22 - brcm,genet-mdio-v3
23 - brcm,genet-mdio-v4
24 - brcm,genet-mdio-v5
25 - brcm,asp-v2.0-mdio
26 - brcm,asp-v2.1-mdio
27 - brcm,unimac-mdio
28
29 reg:
30 minItems: 1
31 items:
32 - description: base register
33 - description: indirect accesses to larger than 16-bits MDIO transactions
34
35 reg-names:
36 minItems: 1
37 items:
38 - const: mdio
39 - const: mdio_indir_rw
40
41 interrupts:
42 oneOf:
43 - description: >
44 Interrupt shared with the Ethernet MAC or Ethernet switch this MDIO
45 block is integrated from
46 - items:
47 - description: |
48 "mdio done" interrupt
49 - description: |
50 "mdio error" interrupt
51
52 interrupt-names:
53 oneOf:
54 - const: mdio_done_error
55 - items:
56 - const: mdio_done
57 - const: mdio_error
58
59 clocks:
60 description: A reference to the clock supplying the MDIO bus controller
61
62 clock-frequency:
63 description: >
64 The MDIO bus clock that must be output by the MDIO bus hardware, if
65 absent, the default hardware values are used
66
67unevaluatedProperties: false
68
69required:
70 - reg
71 - '#address-cells'
72 - '#size-cells'
73
74examples:
75 - |
76 mdio@403c0 {
77 compatible = "brcm,unimac-mdio";
78 reg = <0x403c0 0x8>, <0x40300 0x18>;
79 reg-names = "mdio", "mdio_indir_rw";
80 #address-cells = <1>;
81 #size-cells = <0>;
82
83 ethernet-phy@0 {
84 compatible = "ethernet-phy-ieee802.3-c22";
85 reg = <0>;
86 };
87 };