clk_tree: add initial docs for clock tree

This commit is contained in:
songruojing
2022-05-13 11:43:42 +08:00
parent b26cd91537
commit 729d70129a
14 changed files with 259 additions and 180 deletions
@@ -29,6 +29,8 @@ The possible combinations of hardware timers used to keep system time are listed
It is recommended that users stick to the default option as it provides the highest accuracy. However, users can also select a different setting via the :ref:`CONFIG_NEWLIB_TIME_SYSCALL` configuration option.
.. _rtc-clock-source-choice:
RTC Timer Clock Sources
------------------------