xref: /linux/Documentation/devicetree/bindings/net/pcs/mediatek,sgmiisys.yaml (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/net/pcs/mediatek,sgmiisys.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: MediaTek SGMIISYS Controller
8
9maintainers:
10  - Matthias Brugger <matthias.bgg@gmail.com>
11
12description:
13  The MediaTek SGMIISYS controller provides a SGMII PCS and some clocks
14  to the ethernet subsystem to which it is attached.
15
16properties:
17  compatible:
18    oneOf:
19      - items:
20          - enum:
21              - mediatek,mt7622-sgmiisys
22              - mediatek,mt7629-sgmiisys
23              - mediatek,mt7981-sgmiisys_0
24              - mediatek,mt7981-sgmiisys_1
25              - mediatek,mt7986-sgmiisys_0
26              - mediatek,mt7986-sgmiisys_1
27          - const: syscon
28      - items:
29          - enum:
30              - mediatek,mt7988-sgmiisys0
31              - mediatek,mt7988-sgmiisys1
32          - const: simple-mfd
33          - const: syscon
34
35  reg:
36    maxItems: 1
37
38  '#clock-cells':
39    const: 1
40
41  mediatek,pnswap:
42    description: Invert polarity of the SGMII data lanes
43    type: boolean
44
45  pcs:
46    type: object
47    description: MediaTek LynxI HSGMII PCS
48    properties:
49      compatible:
50        const: mediatek,mt7988-sgmii
51
52      clocks:
53        maxItems: 3
54
55      clock-names:
56        items:
57          - const: sgmii_sel
58          - const: sgmii_tx
59          - const: sgmii_rx
60
61    required:
62      - compatible
63      - clocks
64      - clock-names
65
66    additionalProperties: false
67
68required:
69  - compatible
70  - reg
71  - '#clock-cells'
72
73allOf:
74  - if:
75      properties:
76        compatible:
77          contains:
78            enum:
79              - mediatek,mt7988-sgmiisys0
80              - mediatek,mt7988-sgmiisys1
81
82    then:
83      required:
84        - pcs
85
86    else:
87      properties:
88        pcs: false
89
90additionalProperties: false
91
92examples:
93  - |
94    soc {
95      #address-cells = <2>;
96      #size-cells = <2>;
97      sgmiisys: syscon@1b128000 {
98        compatible = "mediatek,mt7622-sgmiisys", "syscon";
99        reg = <0 0x1b128000 0 0x1000>;
100        #clock-cells = <1>;
101      };
102    };
103