On Sat, Jul 8, 2023 at 2:37 PM Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> wrote: > > The SK-IMX53 board bearing i.MX536 CPU is not stable when running at 1.2 > GHz. Disable that frequency. > > Note, officially i.MX536 is rated up to 800 MHz, but running it at 1 GHz > proved to be stable. If the datasheet says the maximum operating frequency is 800 MHz, just adhere to it. Running at 1 GHz on an 800 MHz device is not guaranteed that it works on all the temperature range and across all devices. Better play safe here.