xref: /linux/Documentation/devicetree/bindings/net/adi,adin.yaml (revision 8a922b7728a93d837954315c98b84f6b78de0c4f) 
1# SPDX-License-Identifier: GPL-2.0+
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/net/adi,adin.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Analog Devices ADIN1200/ADIN1300 PHY
8
9maintainers:
10  - Alexandru Tachici <alexandru.tachici@analog.com>
11
12description: |
13  Bindings for Analog Devices Industrial Ethernet PHYs
14
15allOf:
16  - $ref: ethernet-phy.yaml#
17
18properties:
19  adi,rx-internal-delay-ps:
20    description: |
21      RGMII RX Clock Delay used only when PHY operates in RGMII mode with
22      internal delay (phy-mode is 'rgmii-id' or 'rgmii-rxid') in pico-seconds.
23    enum: [ 1600, 1800, 2000, 2200, 2400 ]
24    default: 2000
25
26  adi,tx-internal-delay-ps:
27    description: |
28      RGMII TX Clock Delay used only when PHY operates in RGMII mode with
29      internal delay (phy-mode is 'rgmii-id' or 'rgmii-txid') in pico-seconds.
30    enum: [ 1600, 1800, 2000, 2200, 2400 ]
31    default: 2000
32
33  adi,fifo-depth-bits:
34    description: |
35      When operating in RMII mode, this option configures the FIFO depth.
36    enum: [ 4, 8, 12, 16, 20, 24 ]
37    default: 8
38
39  adi,phy-output-clock:
40    description: |
41      Select clock output on GP_CLK pin. Two clocks are available:
42      A 25MHz reference and a free-running 125MHz.
43      The phy can alternatively automatically switch between the reference and
44      the 125MHz clocks based on its internal state.
45    $ref: /schemas/types.yaml#/definitions/string
46    enum:
47      - 25mhz-reference
48      - 125mhz-free-running
49      - adaptive-free-running
50
51  adi,phy-output-reference-clock:
52    description: Enable 25MHz reference clock output on CLK25_REF pin.
53    type: boolean
54
55unevaluatedProperties: false
56
57examples:
58  - |
59    ethernet {
60        #address-cells = <1>;
61        #size-cells = <0>;
62
63        phy-mode = "rgmii-id";
64
65        ethernet-phy@0 {
66            reg = <0>;
67
68            adi,rx-internal-delay-ps = <1800>;
69            adi,tx-internal-delay-ps = <2200>;
70        };
71    };
72  - |
73    ethernet {
74        #address-cells = <1>;
75        #size-cells = <0>;
76
77        phy-mode = "rmii";
78
79        ethernet-phy@1 {
80            reg = <1>;
81
82            adi,fifo-depth-bits = <16>;
83        };
84    };
85