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Diffstat (limited to 'Documentation/devicetree/bindings/watchdog/renesas-wdt.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/watchdog/renesas-wdt.txt | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt b/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt new file mode 100644 index 000000000000..da24e3133417 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt @@ -0,0 +1,29 @@ +Renesas Watchdog Timer (WDT) Controller + +Required properties: +- compatible : Should be "renesas,<soctype>-wdt", and + "renesas,rcar-gen3-wdt" as fallback. + Examples with soctypes are: + - "renesas,r8a7795-wdt" (R-Car H3) + - "renesas,r8a7796-wdt" (R-Car M3-W) + + When compatible with the generic version, nodes must list the SoC-specific + version corresponding to the platform first, followed by the generic + version. + +- reg : Should contain WDT registers location and length +- clocks : the clock feeding the watchdog timer. + +Optional properties: +- timeout-sec : Contains the watchdog timeout in seconds +- power-domains : the power domain the WDT belongs to + +Examples: + + wdt0: watchdog@e6020000 { + compatible = "renesas,r8a7795-wdt", "renesas,rcar-gen3-wdt"; + reg = <0 0xe6020000 0 0x0c>; + clocks = <&cpg CPG_MOD 402>; + power-domains = <&cpg>; + timeout-sec = <60>; + }; |