ark1668ed-bsp/linux/Documentation/devicetree/bindings/fuse/renesas,rcar-efuse.yaml

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

title: R-Car E-FUSE connected to PFC

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

description:
  The E-FUSE is a type of non-volatile memory, which is accessible through the
  Pin Function Controller (PFC) on some R-Car Gen4 SoCs.

properties:
  compatible:
    enum:
      - renesas,r8a779a0-efuse # R-Car V3U
      - renesas,r8a779f0-efuse # R-Car S4-8

  reg:
    maxItems: 1
    description: PFC System Group Fuse Control and Monitor register block

  clocks:
    maxItems: 1

  power-domains:
    maxItems: 1

  resets:
    maxItems: 1

required:
  - compatible
  - reg
  - clocks
  - power-domains
  - resets

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/r8a779a0-cpg-mssr.h>
    #include <dt-bindings/power/r8a779a0-sysc.h>

    fuse: fuse@e6078800 {
            compatible = "renesas,r8a779a0-efuse";
            reg = <0xe6078800 0x100>;
            clocks = <&cpg CPG_MOD 916>;
            power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
            resets = <&cpg 916>;
    };