On Sun, Mar 08, 2020 at 02:58:48PM +0100, Jernej Skrabec wrote: > Some boards, like OrangePi PC2 (H5), OrangePi Plus 2E (H3) and Tanix TX6 > (H6) don't have external 32kHz oscillator. Till H6, it didn't really > matter if external oscillator was enabled because HW detected error and > fall back to internal one. H6 has same functionality but it's the first > SoC which have "auto switch bypass" bit documented and always enabled in > driver. This prevents RTC to work correctly if external crystal is not > present on board. There are other side effects - all peripherals which > depends on this clock also don't work (HDMI CEC for example). > > Make clocks property optional. If it is present, select external > oscillator. If not, stay on internal. > > Signed-off-by: Jernej Skrabec <jernej.skrabec@xxxxxxxx> Acked-by: Maxime Ripard <mripard@xxxxxxxxxx> Maxime
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