[PATCH 2/3] clk: sunxi-ng: add support for PRCM CCUs

Maxime Ripard maxime.ripard at free-electrons.com
Thu Mar 2 06:09:31 PST 2017

On Wed, Mar 01, 2017 at 08:22:13PM +0800, Icenowy Zheng wrote:
> > I'm a bit worried by that to be honest. You claim to support the A31, 
> > yet jugdging by the current state of that code you never actually 
> > tested it on that SoC. 
> >
> > What makes you say that the PRCM clocks are the same for the H3 and 
> > A64? We have to be sure, otherwise we might not be able to get the DT 
> > binding right from the very beginning, and we might not be able to fix 
> > it later. 
> In fact, if we worry about this, we shouldn't make r-ccu, as
> dedicated clocks are more easy to fix.
> For newer SoCs' PRCM, we never have enough documents, and Allwinner
> have said that they cannot provide it. (I asked them for this.)
> The best solution is to implement mature enough dedicated clocks
> before we convert to ccu.

What do you mean by dedicated clocks?


Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
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