* NXP PCF85063 Real Time Clock Required properties: - compatible: Should one of contain: "nxp,pca85073a", "nxp,pcf85063", "nxp,pcf85063a", "nxp,pcf85063tp", "microcrystal,rv8263" - reg: I2C address for chip. Optional property: - quartz-load-femtofarads: The capacitive load of the quartz(x-tal), expressed in femto Farad (fF). Valid values are 7000 and 12500. Default value (if no value is specified) is 7000fF. Optional child node: - clock: Provide this if the square wave pin is used as boot-enabled fixed clock. Example: pcf85063: rtc@51 { compatible = "nxp,pcf85063"; reg = <0x51>; quartz-load-femtofarads = <12500>; clock { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <32768>; }; };