1*c66ec88fSEmmanuel VadotBindings for MEN A21 Watchdog device connected to GPIO lines 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel VadotRequired properties: 4*c66ec88fSEmmanuel Vadot- compatible: "men,a021-wdt" 5*c66ec88fSEmmanuel Vadot- gpios: Specifies the pins that control the Watchdog, order: 6*c66ec88fSEmmanuel Vadot 1: Watchdog enable 7*c66ec88fSEmmanuel Vadot 2: Watchdog fast-mode 8*c66ec88fSEmmanuel Vadot 3: Watchdog trigger 9*c66ec88fSEmmanuel Vadot 4: Watchdog reset cause bit 0 10*c66ec88fSEmmanuel Vadot 5: Watchdog reset cause bit 1 11*c66ec88fSEmmanuel Vadot 6: Watchdog reset cause bit 2 12*c66ec88fSEmmanuel Vadot 13*c66ec88fSEmmanuel VadotOptional properties: 14*c66ec88fSEmmanuel Vadot- None 15*c66ec88fSEmmanuel Vadot 16*c66ec88fSEmmanuel VadotExample: 17*c66ec88fSEmmanuel Vadot watchdog { 18*c66ec88fSEmmanuel Vadot compatible ="men,a021-wdt"; 19*c66ec88fSEmmanuel Vadot gpios = <&gpio3 9 1 /* WD_EN */ 20*c66ec88fSEmmanuel Vadot &gpio3 10 1 /* WD_FAST */ 21*c66ec88fSEmmanuel Vadot &gpio3 11 1 /* WD_TRIG */ 22*c66ec88fSEmmanuel Vadot &gpio3 6 1 /* RST_CAUSE[0] */ 23*c66ec88fSEmmanuel Vadot &gpio3 7 1 /* RST_CAUSE[1] */ 24*c66ec88fSEmmanuel Vadot &gpio3 8 1>; /* RST_CAUSE[2] */ 25*c66ec88fSEmmanuel Vadot }; 26