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Date: Thu, 31 Jul 2014 12:10:55 +0530 From: Harini Katakam <harinik@...inx.com> To: wim@...ana.be, grant.likely@...aro.org, robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com, ijc+devicetree@...lion.org.uk, galak@...eaurora.org, rob@...dley.net Cc: michals@...inx.com, linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, linux-doc@...r.kernel.org, harinikatakamlinux@...il.com, svemula@...inx.com, anirudh@...inx.com, Harini Katakam <harinik@...inx.com> Subject: [PATCH v4 2/2] devicetree: Add Cadence WDT devicetree bindings documentation Add cadence-wdt bindings documentation. Signed-off-by: Harini Katakam <harinik@...inx.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@...05000 { + 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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