xref: /linux/Documentation/devicetree/bindings/nvmem/airoha,smc-efuses.yaml (revision 93e4b3076b5f2d853462b9777d083c77fc0b7b23) 
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/nvmem/airoha,smc-efuses.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Airoha SMC eFuses
8
9description: |
10  Airoha new SoC AN7581 expose banks of eFuse accessible
11  via specific SMC commands.
12
13  2 different bank of eFuse or 64 cells of 32 bit are exposed
14  read-only used to give information on HW Revision, PHY Calibration,
15  Device Model, Private Key...
16
17maintainers:
18  - Christian Marangi <ansuelsmth@gmail.com>
19
20properties:
21  compatible:
22    enum:
23      - airoha,an7581-efuses
24
25  "#address-cells":
26    const: 1
27
28  "#size-cells":
29    const: 0
30
31patternProperties:
32  '^efuse-bank@[0-1]$':
33    type: object
34
35    allOf:
36      - $ref: nvmem.yaml#
37
38    properties:
39      reg:
40        description: Identify the eFuse bank.
41        enum: [0, 1]
42
43    required:
44      - reg
45
46    unevaluatedProperties: false
47
48required:
49  - compatible
50  - '#address-cells'
51  - '#size-cells'
52
53additionalProperties: false
54
55examples:
56  - |
57    efuse {
58        compatible = "airoha,an7581-efuses";
59        #address-cells = <1>;
60        #size-cells = <0>;
61
62        efuse-bank@0 {
63           reg = <0>;
64        };
65    };
66
67...
68