kernel/Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt

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