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

From: Maxime Ripard
Date: Thu Mar 02 2017 - 10:13:38 EST


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

--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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