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2f6b62e80a
Document support for E-FUSE non-volatile memory accessible through PFC on R-Car V3U and S4-8. 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/03e43e97941df238ef1a618852aecd7be68adbb0.1716974502.git.geert+renesas@glider.be
56 lines
1.2 KiB
YAML
56 lines
1.2 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/fuse/renesas,rcar-efuse.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: R-Car E-FUSE connected to PFC
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maintainers:
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- Geert Uytterhoeven <geert+renesas@glider.be>
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description:
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The E-FUSE is a type of non-volatile memory, which is accessible through the
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Pin Function Controller (PFC) on some R-Car Gen4 SoCs.
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properties:
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compatible:
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enum:
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- renesas,r8a779a0-efuse # R-Car V3U
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- renesas,r8a779f0-efuse # R-Car S4-8
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reg:
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maxItems: 1
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description: PFC System Group Fuse Control and Monitor register block
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clocks:
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maxItems: 1
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power-domains:
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maxItems: 1
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resets:
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maxItems: 1
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required:
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- compatible
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- reg
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- clocks
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- power-domains
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- resets
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/r8a779a0-cpg-mssr.h>
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#include <dt-bindings/power/r8a779a0-sysc.h>
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fuse: fuse@e6078800 {
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compatible = "renesas,r8a779a0-efuse";
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reg = <0xe6078800 0x100>;
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clocks = <&cpg CPG_MOD 916>;
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power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
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resets = <&cpg 916>;
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};
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