1 MOXA ART real-time clock
5 - compatible : Should be "moxa,moxart-rtc"
6 - gpio-rtc-sclk : RTC sclk gpio, with zero flags
7 - gpio-rtc-data : RTC data gpio, with zero flags
8 - gpio-rtc-reset : RTC reset gpio, with zero flags
13 compatible = "moxa,moxart-rtc";
14 gpio-rtc-sclk = <&gpio 5 0>;
15 gpio-rtc-data = <&gpio 6 0>;
16 gpio-rtc-reset = <&gpio 7 0>;