From a62a7231899606655e98f060e52c4760cf556811 Mon Sep 17 00:00:00 2001 From: Oleksij Rempel Date: Wed, 25 Nov 2015 20:33:23 +0100 Subject: [PATCH] DT: watchdog: add Alphascale asm9260 watchdog binding documentation. Signed-off-by: Oleksij Rempel Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck --- .../bindings/watchdog/alphascale-asm9260.txt | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/alphascale-asm9260.txt diff --git a/Documentation/devicetree/bindings/watchdog/alphascale-asm9260.txt b/Documentation/devicetree/bindings/watchdog/alphascale-asm9260.txt new file mode 100644 index 000000000000..75b265a04047 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/alphascale-asm9260.txt @@ -0,0 +1,35 @@ +Alphascale asm9260 Watchdog timer + +Required properties: + +- compatible : should be "alphascale,asm9260-wdt". +- reg : Specifies base physical address and size of the registers. +- clocks : the clocks feeding the watchdog timer. See clock-bindings.txt +- clock-names : should be set to + "mod" - source for tick counter. + "ahb" - ahb gate. +- resets : phandle pointing to the system reset controller with + line index for the watchdog. +- reset-names : should be set to "wdt_rst". + +Optional properties: +- timeout-sec : shall contain the default watchdog timeout in seconds, + if unset, the default timeout is 30 seconds. +- alphascale,mode : three modes are supported + "hw" - hw reset (default). + "sw" - sw reset. + "debug" - no action is taken. + +Example: + +watchdog0: watchdog@80048000 { + compatible = "alphascale,asm9260-wdt"; + reg = <0x80048000 0x10>; + clocks = <&acc CLKID_SYS_WDT>, <&acc CLKID_AHB_WDT>; + clock-names = "mod", "ahb"; + interrupts = <55>; + resets = <&rst WDT_RESET>; + reset-names = "wdt_rst"; + timeout-sec = <30>; + alphascale,mode = "hw"; +}; -- 2.45.2