Documentation / devicetree / bindings / nvmem / airoha,smc-efuses.yaml


Based on kernel version 7.3. Page generated on 2026-10-19 13:17 EDT.

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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/nvmem/airoha,smc-efuses.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Airoha SMC eFuses

description: |
  Airoha new SoC AN7581 expose banks of eFuse accessible
  via specific SMC commands.
 
  2 different bank of eFuse or 64 cells of 32 bit are exposed
  read-only used to give information on HW Revision, PHY Calibration,
  Device Model, Private Key...

maintainers:
  - Christian Marangi <ansuelsmth@gmail.com>

properties:
  compatible:
    enum:
      - airoha,an7581-efuses
 
  "#address-cells":
    const: 1
 
  "#size-cells":
    const: 0

patternProperties:
  '^efuse-bank@[0-1]$':
    type: object

    allOf:
      - $ref: nvmem.yaml#

    properties:
      reg:
        description: Identify the eFuse bank.
        enum: [0, 1]

    required:
      - reg

    unevaluatedProperties: false

required:
  - compatible
  - '#address-cells'
  - '#size-cells'

additionalProperties: false

examples:
  - |
    efuse {
        compatible = "airoha,an7581-efuses";
        #address-cells = <1>;
        #size-cells = <0>;
 
        efuse-bank@0 {
           reg = <0>;
        };
    };

...