xref: /linux/Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml (revision 6f7e6393d1ce636bb7ec77a7fe7b77458fddf701) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/nvmem/mediatek,efuse.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: MediaTek efuse
8
9description: |
10  MediaTek's efuse is used for storing calibration data, it can be accessed
11  on ARM devices usiong I/O mapped memory.
12
13maintainers:
14  - Andrew-CT Chen <andrew-ct.chen@mediatek.com>
15  - Lala Lin <lala.lin@mediatek.com>
16
17allOf:
18  - $ref: nvmem.yaml#
19  - $ref: nvmem-deprecated-cells.yaml#
20
21properties:
22  $nodename:
23    pattern: "^efuse@[0-9a-f]+$"
24
25  compatible:
26    oneOf:
27      - items:
28          - enum:
29              - mediatek,mt8188-efuse
30              - mediatek,mt8189-efuse
31              - mediatek,mt8196-efuse
32          - const: mediatek,mt8186-efuse
33      - const: mediatek,mt8186-efuse
34
35      - items:
36          - enum:
37              - mediatek,mt8186-efuse
38              - mediatek,mt8188-efuse
39          - const: mediatek,efuse
40        deprecated: true
41        description: Some compatibles also imply a decoding scheme for the
42          "gpu-speedbin" cell, and thus are not backward compatible to the
43          generic "mediatek,efuse" compatible.
44
45      - items:
46          - enum:
47              - mediatek,mt7622-efuse
48              - mediatek,mt7623-efuse
49              - mediatek,mt7981-efuse
50              - mediatek,mt7986-efuse
51              - mediatek,mt7988-efuse
52              - mediatek,mt8173-efuse
53              - mediatek,mt8183-efuse
54              - mediatek,mt8189-efuse
55              - mediatek,mt8192-efuse
56              - mediatek,mt8195-efuse
57              - mediatek,mt8516-efuse
58          - const: mediatek,efuse
59      - const: mediatek,mt8173-efuse
60        deprecated: true
61
62  reg:
63    maxItems: 1
64
65required:
66  - compatible
67  - reg
68
69unevaluatedProperties: false
70
71examples:
72  - |
73    efuse@11c10000 {
74        compatible = "mediatek,mt8195-efuse", "mediatek,efuse";
75        reg = <0x11c10000 0x1000>;
76        #address-cells = <1>;
77        #size-cells = <1>;
78
79        u3_tx_imp_p0: usb3-tx-imp@184,1 {
80            reg = <0x184 0x1>;
81            bits = <0 5>;
82        };
83        u3_rx_imp_p0: usb3-rx-imp@184,2 {
84            reg = <0x184 0x2>;
85            bits = <5 5>;
86        };
87        u3_intr_p0: usb3-intr@185 {
88            reg = <0x185 0x1>;
89            bits = <2 6>;
90        };
91        comb_tx_imp_p1: usb3-tx-imp@186,1 {
92            reg = <0x186 0x1>;
93            bits = <0 5>;
94        };
95        comb_rx_imp_p1: usb3-rx-imp@186,2 {
96            reg = <0x186 0x2>;
97            bits = <5 5>;
98        };
99        comb_intr_p1: usb3-intr@187 {
100            reg = <0x187 0x1>;
101            bits = <2 6>;
102        };
103        u2_intr_p0: usb2-intr-p0@188,1 {
104            reg = <0x188 0x1>;
105            bits = <0 5>;
106        };
107        u2_intr_p1: usb2-intr-p1@188,2 {
108            reg = <0x188 0x2>;
109            bits = <5 5>;
110        };
111    };
112