pwm: atmel: Document known weaknesses of both hardware and software

This documents the my findings while reading through the driver and the
reference manual.

Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Uwe Kleine-König 2019-08-24 02:10:39 +02:00 • committed by Thierry Reding
commit 998d189a81