[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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