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DT: watchdog: Add NXP LPC18xx Watchdog Timer binding documentation

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Add the devicetree binding document for NXP LPC18xx Watchdog Timer.

Signed-off-by: Ariel D'Alessandro <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
This commit is contained in:
Ariel D'Alessandro 2015-08-01 15:37:17 -03:00 • committed by Wim Van Sebroeck
commit cfde37e1ec
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Documentation/devicetree/bindings/watchdog/lpc18xx-wdt.txt Normal file
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* NXP LPC18xx Watchdog Timer (WDT)
Required properties:
- compatible: Should be "nxp,lpc1850-wwdt"
- reg: Should contain WDT registers location and length
- clocks: Must contain an entry for each entry in clock-names.
- clock-names: Should contain "wdtclk" and "reg"; the watchdog counter
clock and register interface clock respectively.
- interrupts: Should contain WDT interrupt
Examples:
watchdog@40080000 {
compatible = "nxp,lpc1850-wwdt";
reg = <0x40080000 0x24>;
clocks = <&cgu BASE_SAFE_CLK>, <&ccu1 CLK_CPU_WWDT>;
clock-names = "wdtclk", "reg";
interrupts = <49>;
};