xref: /linux/Documentation/devicetree/bindings/watchdog/men-a021-wdt.txt (revision e5451c8f8330e03ad3cfa16048b4daf961af434f) 
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	};
26