From bd99b68ed7f96c9c845aad2a25f84145213058f2 Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Fri, 1 Apr 2016 13:56:23 +0200 Subject: watchdog: renesas-wdt: add driver Add support for watchdogs (RWDT and SWDT) found on RCar Gen3 based SoCs from Renesas. Signed-off-by: Wolfram Sang Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck --- .../devicetree/bindings/watchdog/renesas-wdt.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/renesas-wdt.txt (limited to 'Documentation/devicetree/bindings/watchdog') diff --git a/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt b/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt new file mode 100644 index 000000000000..b9512f1eb80a --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt @@ -0,0 +1,25 @@ +Renesas Watchdog Timer (WDT) Controller + +Required properties: +- compatible : Should be "renesas,r8a7795-wdt", or "renesas,rcar-gen3-wdt" + + 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>; + }; -- cgit v1.2.3