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From: maxime.ripard@free-electrons.com (Maxime Ripard)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/3] clk: sunxi-ng: add support for PRCM CCUs
Date: Thu, 2 Mar 2017 15:09:31 +0100	[thread overview]
Message-ID: <20170302140931.tq3vpncln6giyjpr@lukather> (raw)
In-Reply-To: <20170301152236.MUXmRgOe@smtp1m.mail.yandex.net>

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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       reply	other threads:[~2017-03-02 14:09 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20170301152236.MUXmRgOe@smtp1m.mail.yandex.net>
2017-03-02 14:09 ` Maxime Ripard [this message]
2017-03-02 15:13   ` [linux-sunxi] Re: [PATCH 2/3] clk: sunxi-ng: add support for PRCM CCUs Icenowy Zheng
2017-03-03 14:51     ` maxime.ripard at free-electrons.com
2017-03-01  4:15 [PATCH 0/3] Add support for the R_CCU on Allwinner H3/A64 SoCs Icenowy Zheng
2017-03-01  4:15 ` [PATCH 2/3] clk: sunxi-ng: add support for PRCM CCUs Icenowy Zheng
2017-03-01 10:47   ` Maxime Ripard

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