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