linux-kernel - Re: [PATCH 2/5] clk: sunxi-ng: add support for V3s CCU

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Date:   Thu, 12 Jan 2017 18:19:54 +0100
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Icenowy Zheng <icenowy@...c.xyz>
Cc:     "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        "linux-sunxi@...glegroups.com" <linux-sunxi@...glegroups.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 2/5] clk: sunxi-ng: add support for V3s CCU

On Thu, Jan 12, 2017 at 03:44:53AM +0800, Icenowy Zheng wrote:
> 
> 
> 12.01.2017, 03:40, "Icenowy Zheng" <icenowy@...c.xyz>:
> > 11.01.2017, 02:10, "Maxime Ripard" <maxime.ripard@...e-electrons.com>:
> >>  On Tue, Jan 03, 2017 at 11:16:26PM +0800, Icenowy Zheng wrote:
> >>>   V3s has a similar but cut-down CCU to H3.
> >>>
> >>>   Add support for it.
> >>>
> >>>   Signed-off-by: Icenowy Zheng <icenowy@...c.xyz>
> >>
> >>  It looks like there's nothing different but the clocks that you
> >>  register with the H3, please just use the H3 driver.
> >
> > Nope.
> >
> > It has a different PLL (PLL_ISP) at different address, and some
> > different muxes.
> 
> Forgot to mention the missing of PLL_DE and related misses.

Those are not conflicting, it's just a slightly different set of
clocks.

So there's really nothing undoable.

Maxime

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

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