1NXP PCF2123 SPI Real Time Clock 2 3Required properties: 4- compatible: should be: "nxp,rtc-pcf2123" 5- reg: should be the SPI slave chipselect address 6 7Optional properties: 8- spi-cs-high: PCF2123 needs chipselect high 9 10Example: 11 12rtc: nxp,rtc-pcf2123@3 { 13 compatible = "nxp,rtc-pcf2123" 14 reg = <3> 15 spi-cs-high; 16}; 17