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