renesas,wdt.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/watchdog/renesas,wdt.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Renesas Watchdog Timer (WDT) Controller
    8 
    9 maintainers:
   10   - Wolfram Sang <wsa+renesas@sang-engineering.com>
   11   - Geert Uytterhoeven <geert+renesas@glider.be>
   12 
   13 properties:
   14   compatible:
   15     oneOf:
   16       - items:
   17           - enum:
   18               - renesas,r7s72100-wdt     # RZ/A1
   19               - renesas,r7s9210-wdt      # RZ/A2
   20           - const: renesas,rza-wdt       # RZ/A
   21 
   22       - items:
   23           - enum:
   24               - renesas,r9a06g032-wdt    # RZ/N1D
   25           - const: renesas,rzn1-wdt      # RZ/N1
   26 
   27       - items:
   28           - enum:
   29               - renesas,r9a07g043-wdt    # RZ/G2UL
   30               - renesas,r9a07g044-wdt    # RZ/G2{L,LC}
   31               - renesas,r9a07g054-wdt    # RZ/V2L
   32           - const: renesas,rzg2l-wdt
   33 
   34       - items:
   35           - enum:
   36               - renesas,r8a7742-wdt      # RZ/G1H
   37               - renesas,r8a7743-wdt      # RZ/G1M
   38               - renesas,r8a7744-wdt      # RZ/G1N
   39               - renesas,r8a7745-wdt      # RZ/G1E
   40               - renesas,r8a77470-wdt     # RZ/G1C
   41               - renesas,r8a7790-wdt      # R-Car H2
   42               - renesas,r8a7791-wdt      # R-Car M2-W
   43               - renesas,r8a7792-wdt      # R-Car V2H
   44               - renesas,r8a7793-wdt      # R-Car M2-N
   45               - renesas,r8a7794-wdt      # R-Car E2
   46           - const: renesas,rcar-gen2-wdt # R-Car Gen2 and RZ/G1
   47 
   48       - items:
   49           - enum:
   50               - renesas,r8a774a1-wdt     # RZ/G2M
   51               - renesas,r8a774b1-wdt     # RZ/G2N
   52               - renesas,r8a774c0-wdt     # RZ/G2E
   53               - renesas,r8a774e1-wdt     # RZ/G2H
   54               - renesas,r8a7795-wdt      # R-Car H3
   55               - renesas,r8a7796-wdt      # R-Car M3-W
   56               - renesas,r8a77961-wdt     # R-Car M3-W+
   57               - renesas,r8a77965-wdt     # R-Car M3-N
   58               - renesas,r8a77970-wdt     # R-Car V3M
   59               - renesas,r8a77980-wdt     # R-Car V3H
   60               - renesas,r8a77990-wdt     # R-Car E3
   61               - renesas,r8a77995-wdt     # R-Car D3
   62           - const: renesas,rcar-gen3-wdt # R-Car Gen3 and RZ/G2
   63 
   64       - items:
   65           - enum:
   66               - renesas,r8a779a0-wdt     # R-Car V3U
   67               - renesas,r8a779f0-wdt     # R-Car S4-8
   68           - const: renesas,rcar-gen4-wdt # R-Car Gen4
   69 
   70   reg:
   71     maxItems: 1
   72 
   73   interrupts: true
   74 
   75   interrupt-names: true
   76 
   77   clocks: true
   78 
   79   clock-names: true
   80 
   81   power-domains:
   82     maxItems: 1
   83 
   84   resets:
   85     maxItems: 1
   86 
   87   timeout-sec: true
   88 
   89 required:
   90   - compatible
   91   - reg
   92   - clocks
   93 
   94 allOf:
   95   - $ref: "watchdog.yaml#"
   96 
   97   - if:
   98       not:
   99         properties:
  100           compatible:
  101             contains:
  102               enum:
  103                 - renesas,rza-wdt
  104                 - renesas,rzn1-wdt
  105     then:
  106       required:
  107         - power-domains
  108         - resets
  109 
  110   - if:
  111       properties:
  112         compatible:
  113           contains:
  114             enum:
  115               - renesas,rzg2l-wdt
  116     then:
  117       properties:
  118         interrupts:
  119           maxItems: 2
  120         interrupt-names:
  121           items:
  122             - const: wdt
  123             - const: perrout
  124         clocks:
  125           items:
  126             - description: Register access clock
  127             - description: Main clock
  128         clock-names:
  129           items:
  130             - const: pclk
  131             - const: oscclk
  132       required:
  133         - clock-names
  134         - interrupt-names
  135     else:
  136       properties:
  137         interrupts:
  138           maxItems: 1
  139         clocks:
  140           maxItems: 1
  141 
  142 additionalProperties: false
  143 
  144 examples:
  145   - |
  146     #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
  147     #include <dt-bindings/power/r8a7795-sysc.h>
  148     wdt0: watchdog@e6020000 {
  149             compatible = "renesas,r8a7795-wdt", "renesas,rcar-gen3-wdt";
  150             reg = <0xe6020000 0x0c>;
  151             clocks = <&cpg CPG_MOD 402>;
  152             power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
  153             resets = <&cpg 402>;
  154             timeout-sec = <60>;
  155     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/watchdog/renesas,wdt.yaml

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sys/contrib/device-tree/Bindings/watchdog/renesas,wdt.yaml