Kernel-4.18.0-80.el8_men-a021-wdt

Bindings for MEN A21 Watchdog device connected to GPIO lines

Required properties:

  • compatible: “men,a021-wdt”
  • gpios: Specifies the pins that control the Watchdog, order:
    1: Watchdog enable
    2: Watchdog fast-mode
    3: Watchdog trigger
    4: Watchdog reset cause bit 0
    5: Watchdog reset cause bit 1
    6: Watchdog reset cause bit 2

Optional properties:

  • None

Example:
watchdog {
compatible =”men,a021-wdt”;
gpios = <&gpio3 9 1 /* WD_EN */
&gpio3 10 1 /* WD_FAST */
&gpio3 11 1 /* WD_TRIG */
&gpio3 6 1 /* RST_CAUSE[0] */
&gpio3 7 1 /* RST_CAUSE[1] */
&gpio3 8 1>; /* RST_CAUSE[2] */
};