[U-Boot] [linux-sunxi] Re: [PATCH] sunxi: set the default CPUx frequency of H5 to 816MHz

[Ondřej Jirman]

'Ondřej Jirman' via linux-sunxi píše v St 01. 11. 2017 v 03:10 +0100:
> Hi,
> 
> Icenowy Zheng píše v St 01. 11. 2017 v 08:31 +0800:
> > 
> > And according to the Orange Pi PC2 and Prime schematics, they both
> > start at 1.1V. (The Prime schematics even says "For H5 adjust
> > VDD-CPUX to 1.1V).
> > 
> 
> Orange Pi PC2 starts at the same voltage as Orange Pi PC. That is at
> 1.308V.
> 
> It can be calculated from 0.6×(1+11.8÷10) as per the values of Ru1/Ru2
> resistors in the schema. It is also my experience of working with these
> boards and writing the sy8106a driver.

Anyway, I may be mis-remembering in the case of PC2. So please ignore
me. :) I'm only sure in the case of Orange Pi PC, which is not relevant
here. Sorry.

> regards,
>   Ondrej
> 
> > > 
> > > There's no need to enforce a SoC-wide change.
> > > 
> > > Maxime
> > 
> > 
> 
> 
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