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dt-bindings: fuse: Document R-Car E-FUSE / OTP_MEM

Document support for E-FUSE non-volatile memory accessible through
OTP_MEM on R-Car V4H and V4M.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/436506babe4ce468fda19380d9373470468e3752.1716974502.git.geert+renesas@glider.be
This commit is contained in:
Geert Uytterhoeven 2024-05-29 11:29:31 +02:00
parent 2f6b62e80a
commit 8a3d2ad612

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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-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.
properties:
compatible:
enum:
- renesas,r8a779g0-otp # R-CarV4H
- renesas,r8a779h0-otp # R-CarV4M
reg:
items:
- description: OTP_MEM_0
- description: OTP_MEM_1
required:
- compatible
- reg
additionalProperties: false
examples:
- |
otp: otp@e61be000 {
compatible = "renesas,r8a779g0-otp";
reg = <0xe61be000 0x1000>, <0xe61bf000 0x1000>;
};