xref: /freebsd/sys/contrib/device-tree/Bindings/rtc/nxp,pcf8523.txt (revision 911f0260390e18cf85f3dbf2c719b593efdc1e3c)
1* NXP PCF8523 Real Time Clock
2
3Required properties:
4- compatible: Should contain "nxp,pcf8523".
5- reg: I2C address for chip.
6
7Optional property:
8- quartz-load-femtofarads: The capacitive load of the quartz(x-tal),
9  expressed in femto Farad (fF). Valid values are 7000 and 12500.
10  Default value (if no value is specified) is 12500fF.
11
12Example:
13
14pcf8523: rtc@68 {
15	compatible = "nxp,pcf8523";
16	reg = <0x68>;
17	quartz-load-femtofarads = <7000>;
18};
19