Documentation/devicetree/bindings/watchdog/renesas-wdt.txt

   1 Renesas Watchdog Timer (WDT) Controller
   2
   3 Required properties:
   4 - compatible : Should be "renesas,<soctype>-wdt", and
   5                "renesas,rcar-gen3-wdt" or "renesas,rza-wdt" as fallback.
   6                Examples with soctypes are:
   7                  - "renesas,r7s72100-wdt" (RZ/A1)
   8                  - "renesas,r8a7795-wdt" (R-Car H3)
   9                  - "renesas,r8a7796-wdt" (R-Car M3-W)
  10                  - "renesas,r8a77970-wdt" (R-Car V3M)
  11                  - "renesas,r8a77995-wdt" (R-Car D3)
  12
  13   When compatible with the generic version, nodes must list the SoC-specific
  14   version corresponding to the platform first, followed by the generic
  15   version.
  16
  17 - reg : Should contain WDT registers location and length
  18 - clocks : the clock feeding the watchdog timer.
  19
  20 Optional properties:
  21 - timeout-sec : Contains the watchdog timeout in seconds
  22 - power-domains : the power domain the WDT belongs to
  23 - interrupts: Some WDTs have an interrupt when used in interval timer mode
  24
  25 Examples:
  26
  27         wdt0: watchdog@e6020000 {
  28                 compatible = "renesas,r8a7795-wdt", "renesas,rcar-gen3-wdt";
  29                 reg = <0 0xe6020000 0 0x0c>;
  30                 clocks = <&cpg CPG_MOD 402>;
  31                 power-domains = <&cpg>;
  32                 timeout-sec = <60>;
  33         };