GPIO Watchdog

&iomuxc {
		pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_hog_1>;
        imx6ul-evk {
                pinctrl_hog_1: hoggrp-1 {
                        fsl,pins = <
								MX6UL_PAD_SNVS_TAMPER7__GPIO5_IO07     0x1b0b0 /* Watchdog WDI */
						>;
				};
		};
};


watchdog: watchdog {
		compatible = "linux,wdt-gpio";
		gpios = <&gpio5 7 GPIO_ACTIVE_LOW>;
		hw_algo = "toggle";
		hw_margin_ms = <200>;
};