[PATCH V6 2/2] rtc: zynqmp: Add calibration set and get support
Peter Korsgaard
peter at korsgaard.com
Thu Jun 9 07:50:03 PDT 2022
>>>>> "Srinivas" == Srinivas Neeli <srinivas.neeli at xilinx.com> writes:
> Zynqmp RTC controller has a calibration feature to compensate
> time deviation due to input clock inaccuracy.
> Set and get calibration API's are used for setting and getting
> calibration value from the controller calibration register.
> As per RTC spec default calibration value is 0x7FFF.
Where do you see that? ug1085 rev2.2 still lists:
Programming Sequences
init rtc
1. Write the value 0019_8231h into the calibration register, CALIB_WRITE.
--
Bye, Peter Korsgaard
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