Commit 2f6b62e8 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven
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dt-bindings: fuse: Document R-Car E-FUSE / PFC 



Document support for E-FUSE non-volatile memory accessible through PFC
on R-Car V3U and S4-8.

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: default avatarRob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/03e43e97941df238ef1a618852aecd7be68adbb0.1716974502.git.geert+renesas@glider.be
parent 1613e604

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

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# 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>;

    };