Documentation / devicetree / bindings / nvmem / renesas,rcar-otp.yaml


Based on kernel version 6.13. Page generated on 2025-01-21 08:20 EST.

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/nvmem/renesas,rcar-otp.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: R-Car E-FUSE connected to OTP_MEM

maintainers:
  - Geert Uytterhoeven <geert+renesas@glider.be>

description:
  The E-FUSE is a type of non-volatile memory, which is accessible through the
  One-Time Programmable Memory (OTP_MEM) module on some R-Car Gen4 SoCs.

allOf:
  - $ref: nvmem.yaml#

properties:
  compatible:
    enum:
      - renesas,r8a779g0-otp # R-CarV4H
      - renesas,r8a779h0-otp # R-CarV4M

  reg:
    items:
      - description: OTP_MEM_0
      - description: OTP_MEM_1.
          The addresses of cells defined under the optional nvmem-layout
          subnode are relative to this register bank.

required:
  - compatible
  - reg

unevaluatedProperties: false

examples:
  - |
    otp@e61be000 {
        compatible = "renesas,r8a779g0-otp";
        reg = <0xe61be000 0x1000>, <0xe61bf000 0x1000>;
    };