xlnx-rtc.txt

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    1 * Xilinx Zynq Ultrascale+ MPSoC Real Time Clock
    2 
    3 RTC controller for the Xilinx Zynq MPSoC Real Time Clock
    4 Separate IRQ lines for seconds and alarm
    5 
    6 Required properties:
    7 - compatible: Should be "xlnx,zynqmp-rtc"
    8 - reg: Physical base address of the controller and length
    9        of memory mapped region.
   10 - interrupts: IRQ lines for the RTC.
   11 - interrupt-names: interrupt line names eg. "sec" "alarm"
   12 
   13 Optional:
   14 - calibration: calibration value for 1 sec period which will
   15                 be programmed directly to calibration register
   16 
   17 Example:
   18 rtc: rtc@ffa60000 {
   19         compatible = "xlnx,zynqmp-rtc";
   20         reg = <0x0 0xffa60000 0x100>;
   21         interrupt-parent = <&gic>;
   22         interrupts = <0 26 4>, <0 27 4>;
   23         interrupt-names = "alarm", "sec";
   24         calibration = <0x198233>;
   25 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/rtc/xlnx-rtc.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/rtc/xlnx-rtc.txt