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devicetree: watchdog: add binding for Sigma Designs SMP8642 watchdog 

This adds a binding for the watchdog in Sigma Designs SMP8642 and
similar devices.

Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
hifive-unleashed-5.1
Mans Rullgard 2015-11-18 17:55:42 +00:00 committed by Wim Van Sebroeck
parent dca536c433
commit 2bfc9beb61
1 changed files with 18 additions and 0 deletions
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Documentation/devicetree/bindings/watchdog/sigma,smp8642-wdt.txt 100644
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Sigma Designs SMP86xx/SMP87xx watchdog
Required properties:
- compatible: Should be "sigma,smp8642-wdt"
- reg: Specifies the physical address region
- clocks: Should be a phandle to the clock
Optional properties:
- timeout-sec: watchdog timeout in seconds
Example:
watchdog@1fd00 {
compatible = "sigma,smp8642-wdt";
reg = <0x1fd00 8>;
clocks = <&xtal_in_clk>;
timeout-sec = <30>;
};