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men-a021-wdt.txt

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linux-6.19.14/Documentation/devicetree/bindings/watchdog/men-a021-wdt.txt PLAIN TEXT
 1Bindings for MEN A21 Watchdog device connected to GPIO lines
 2
 3Required 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
13Optional properties:
14- None
15
16Example:
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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