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Documentation / devicetree / bindings / watchdog / men-a021-wdt.txt




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Based on kernel version 3.15.4. Page generated on 2014-07-07 09:02 EST.

1	Bindings for MEN A21 Watchdog device connected to GPIO lines
2	
3	Required properties:
4	- compatible: "men,a021-wdt"
5	- gpios: Specifies the pins that control the Watchdog, order:
6	  1: Watchdog enable
7	  2: Watchdog fast-mode
8	  3: Watchdog trigger
9	  4: Watchdog reset cause bit 0
10	  5: Watchdog reset cause bit 1
11	  6: Watchdog reset cause bit 2
12	
13	Optional properties:
14	- None
15	
16	Example:
17		watchdog {
18			compatible ="men,a021-wdt";
19			gpios = <&gpio3 9  1	/* WD_EN */
20				 &gpio3 10 1	/* WD_FAST */
21				 &gpio3 11 1	/* WD_TRIG */
22				 &gpio3 6  1	/* RST_CAUSE[0] */
23				 &gpio3 7  1	/* RST_CAUSE[1] */
24				 &gpio3 8  1>;	/* RST_CAUSE[2] */
25		};
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