[PATCH] clk: si5351: Add gapless tuning for SI5351 PLL

[Michal Bachraty]

Hi Sebastian,

> does gapless tuning have any constraints? Can we use it for all rate
> changes or determine the
> need for pll reset by rate offset?

Today I made some test measurements ( switching from 22.5MHz to 32kHz, then to 
50MHz, then to 1MHz) with good results: without any gaps and any side 
frequences.  So there are no constrains, and we can use it for any frequences. 

Best,
Michal