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

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/fuse/renesas,rcar-efuse.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: R-Car E-FUSE connected to PFC
   8
   9 maintainers:
  10   - Geert Uytterhoeven <geert+renesas@glider.be>
  11
  12 description:
  13   The E-FUSE is a type of non-volatile memory, which is accessible through the
  14   Pin Function Controller (PFC) on some R-Car Gen4 SoCs.
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - renesas,r8a779a0-efuse # R-Car V3U
  20       - renesas,r8a779f0-efuse # R-Car S4-8
  21
  22   reg:
  23     maxItems: 1
  24     description: PFC System Group Fuse Control and Monitor register block
  25
  26   clocks:
  27     maxItems: 1
  28
  29   power-domains:
  30     maxItems: 1
  31
  32   resets:
  33     maxItems: 1
  34
  35 required:
  36   - compatible
  37   - reg
  38   - clocks
  39   - power-domains
  40   - resets
  41
  42 additionalProperties: false
  43
  44 examples:
  45   - |
  46     #include <dt-bindings/clock/r8a779a0-cpg-mssr.h>
  47     #include <dt-bindings/power/r8a779a0-sysc.h>
  48
  49     fuse: fuse@e6078800 {
  50             compatible = "renesas,r8a779a0-efuse";
  51             reg = <0xe6078800 0x100>;
  52             clocks = <&cpg CPG_MOD 916>;
  53             power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
  54             resets = <&cpg 916>;
  55     };