linux/Documentation/devicetree/bindings/watchdog/imgpdc-wdt.txt
Naidu Tellapati 1888e7ad56 DT: watchdog: Add ImgTec PDC Watchdog Timer binding documentation
Add the devicetree binding document for ImgTec PDC Watchdog Timer.

Reviewed-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Naidu Tellapati <Naidu.Tellapati@imgtec.com>
Signed-off-by: Jude Abraham <Jude.Abraham@gmail.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2015-02-17 21:30:52 +01:00

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*ImgTec PowerDown Controller (PDC) Watchdog Timer (WDT)
Required properties:
- compatible : Should be "img,pdc-wdt"
- reg : Should contain WDT registers location and length
- clocks: Must contain an entry for each entry in clock-names.
- clock-names: Should contain "wdt" and "sys"; the watchdog counter
clock and register interface clock respectively.
- interrupts : Should contain WDT interrupt
Examples:
watchdog@18102100 {
compatible = "img,pdc-wdt";
reg = <0x18102100 0x100>;
clocks = <&pdc_wdt_clk>, <&sys_clk>;
clock-names = "wdt", "sys";
interrupts = <0 52 IRQ_TYPE_LEVEL_HIGH>;
};