1*c66ec88fSEmmanuel Vadot* Dallas DS1390 SPI Serial Real-Time Clock 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel VadotRequired properties: 4*c66ec88fSEmmanuel Vadot- compatible: Should contain "dallas,ds1390". 5*c66ec88fSEmmanuel Vadot- reg: SPI address for chip 6*c66ec88fSEmmanuel Vadot 7*c66ec88fSEmmanuel VadotOptional properties: 8*c66ec88fSEmmanuel Vadot- trickle-resistor-ohms : Selected resistor for trickle charger 9*c66ec88fSEmmanuel Vadot Values usable for ds1390 are 250, 2000, 4000 10*c66ec88fSEmmanuel Vadot Should be given if trickle charger should be enabled 11*c66ec88fSEmmanuel Vadot- trickle-diode-disable : Do not use internal trickle charger diode 12*c66ec88fSEmmanuel Vadot Should be given if internal trickle charger diode should be disabled 13*c66ec88fSEmmanuel VadotExample: 14*c66ec88fSEmmanuel Vadot ds1390: rtc@0 { 15*c66ec88fSEmmanuel Vadot compatible = "dallas,ds1390"; 16*c66ec88fSEmmanuel Vadot trickle-resistor-ohms = <250>; 17*c66ec88fSEmmanuel Vadot reg = <0>; 18*c66ec88fSEmmanuel Vadot }; 19