JustOS/linux-6.13/Documentation/devicetree/bindings/nvmem/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/nvmem/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.
allOf:
- $ref: nvmem.yaml#
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
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/r8a779f0-cpg-mssr.h>
#include <dt-bindings/power/r8a779f0-sysc.h>
fuse@e6078800 {
compatible = "renesas,r8a779f0-efuse";
reg = <0xe6078800 0x200>;
clocks = <&cpg CPG_MOD 915>;
power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>;
resets = <&cpg 915>;
nvmem-layout {
compatible = "fixed-layout";
#address-cells = <1>;
#size-cells = <1>;
calib@144 {
reg = <0x144 0x08>;
};
};
};