26 lines
738 B
Plaintext
Executable file
26 lines
738 B
Plaintext
Executable file
* Xilinx Zynq Ultrascale+ MPSoC Real Time Clock
|
|
|
|
RTC controller for the Xilinx Zynq MPSoC Real Time Clock
|
|
Separate IRQ lines for seconds and alarm
|
|
|
|
Required properties:
|
|
- compatible: Should be "xlnx,zynqmp-rtc"
|
|
- reg: Physical base address of the controller and length
|
|
of memory mapped region.
|
|
- interrupts: IRQ lines for the RTC.
|
|
- interrupt-names: interrupt line names eg. "sec" "alarm"
|
|
|
|
Optional:
|
|
- calibration: calibration value for 1 sec period which will
|
|
be programmed directly to calibration register
|
|
|
|
Example:
|
|
rtc: rtc@ffa60000 {
|
|
compatible = "xlnx,zynqmp-rtc";
|
|
reg = <0x0 0xffa60000 0x100>;
|
|
interrupt-parent = <&gic>;
|
|
interrupts = <0 26 4>, <0 27 4>;
|
|
interrupt-names = "alarm", "sec";
|
|
calibration = <0x198233>;
|
|
};
|