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2aea0d17ff
The R-Car E-FUSE blocks can be modelled better using the nvmem framework. Replace the R-Car V3U example by an R-Car S4-8 ES1.2 example, to show the definition of nvmem cells. While at it, drop unneeded labels from the examples, and fix indentation. Add an entry to the MAINTAINERS file. Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20241030140315.40562-2-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
69 lines
1.4 KiB
YAML
69 lines
1.4 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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$id: http://devicetree.org/schemas/nvmem/renesas,rcar-efuse.yaml#
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$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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allOf:
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- $ref: nvmem.yaml#
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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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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/clock/r8a779f0-cpg-mssr.h>
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#include <dt-bindings/power/r8a779f0-sysc.h>
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fuse@e6078800 {
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compatible = "renesas,r8a779f0-efuse";
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reg = <0xe6078800 0x200>;
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clocks = <&cpg CPG_MOD 915>;
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power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>;
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resets = <&cpg 915>;
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nvmem-layout {
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compatible = "fixed-layout";
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#address-cells = <1>;
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#size-cells = <1>;
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calib@144 {
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reg = <0x144 0x08>;
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};
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};
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};
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