Not totally sure, but I believe the tuning register is used to inject spread spectrum noise into the PLL to help with FCC compliance. Not sure that it is good for anything besides that.
On Sun, Aug 31, 2014 at 10:15 AM, RFat <[email protected]> wrote: > Hi, > > In attempt to understand how to set the A31 core freq. I think I need to > understand how to set the PLL1 tuning reg (hw addr: 0x01c20250) as changing > only the PLL1's freq. (0x01c20000) is not enough. > > I could not find any info. about this reg in the various linux SDK available > and the only thing I could infer from the A20 chip is that its LS bits are > define the "WaveBottom" - does anyone know what that is? > > Thanks > > -- > You received this message because you are subscribed to the Google Groups > "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- Jon Smirl [email protected] -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
