[deliverable/linux.git] / Documentation / devicetree / bindings / watchdog / davinci-wdt.txt

Texas Instruments DaVinci/Keystone Watchdog Timer (WDT) Controller

Required properties:
- compatible : Should be "ti,davinci-wdt", "ti,keystone-wdt"
- reg : Should contain WDT registers location and length

Optional properties:
- timeout-sec : Contains the watchdog timeout in seconds
- clocks : the clock feeding the watchdog timer.
	   Needed if platform uses clocks.
	   See clock-bindings.txt

Documentation:
Davinci DM646x - http://www.ti.com/lit/ug/spruer5b/spruer5b.pdf
Keystone - http://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf

Examples:

wdt: wdt@2320000 {
	compatible = "ti,davinci-wdt";
	reg = <0x02320000 0x80>;
	timeout-sec = <30>;
	clocks = <&clkwdtimer0>;
};
Commit	Line	Data
8832b200	1	Texas Instruments DaVinci/Keystone Watchdog Timer (WDT) Controller
902e2e7d MK	2
902e2e7d MK	3	Required properties:
8832b200	4	- compatible : Should be "ti,davinci-wdt", "ti,keystone-wdt"
902e2e7d MK	5	- reg : Should contain WDT registers location and length
902e2e7d MK	6
4fa5daa9 IK	7	Optional properties:
4fa5daa9 IK	8	- timeout-sec : Contains the watchdog timeout in seconds
8832b200 IK	9	- clocks : the clock feeding the watchdog timer.
	10	Needed if platform uses clocks.
	11	See clock-bindings.txt
	12
	13	Documentation:
	14	Davinci DM646x - http://www.ti.com/lit/ug/spruer5b/spruer5b.pdf
	15	Keystone - http://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf
4fa5daa9	16
902e2e7d MK	17	Examples:
	18
	19	wdt: wdt@2320000 {
	20	compatible = "ti,davinci-wdt";
	21	reg = <0x02320000 0x80>;
4fa5daa9	22	timeout-sec = <30>;
8832b200	23	clocks = <&clkwdtimer0>;
902e2e7d	24	};