Messages in this thread Patch in this message | | | From | Harini Katakam <> | Subject | [PATCH v4 2/2] devicetree: Add Cadence WDT devicetree bindings documentation | Date | Thu, 31 Jul 2014 12:10:55 +0530 |
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Add cadence-wdt bindings documentation.
Signed-off-by: Harini Katakam <harinik@xilinx.com> ---
v4 changes: - Change name of property "reset" to "reset-on-timeout". - Use cdns compatible string in example. - Improve description of clocks and interrupts.
v3 changes: - Change reset property type and improve description. - Improve description of clocks and interrupts. - Use watchdog@ in the example. - Use only cdns compatible string for now.
v2: No changes
--- .../devicetree/bindings/watchdog/cadence-wdt.txt | 24 ++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/cadence-wdt.txt
diff --git a/Documentation/devicetree/bindings/watchdog/cadence-wdt.txt b/Documentation/devicetree/bindings/watchdog/cadence-wdt.txt new file mode 100644 index 0000000..c3a36ee --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/cadence-wdt.txt @@ -0,0 +1,24 @@ +Zynq Watchdog Device Tree Bindings +------------------------------------------- + +Required properties: +- compatible : Should be "cdns,wdt-r1p2". +- clocks : This is pclk (APB clock). +- interrupts : This is wd_irq - watchdog timeout interrupt. +- interrupt-parent : Must be core interrupt controller. + +Optional properties +- reset-on-timeout : If this property exists, then a reset is done + when watchdog times out. +- timeout-sec : Watchdog timeout value (in seconds). + +Example: + watchdog@f8005000 { + compatible = "cdns,wdt-r1p2"; + clocks = <&clkc 45>; + interrupt-parent = <&intc>; + interrupts = <0 9 1>; + reg = <0xf8005000 0x1000>; + reset-on-timeout; + timeout-sec = <10>; + }; -- 1.7.9.5
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