From mboxrd@z Thu Jan  1 00:00:00 1970
From: Icenowy Zheng <icenowy-ymACFijhrKM@public.gmane.org>
Subject: Re: [PATCH 2/5] clk: sunxi-ng: add support for V3s CCU
Date: Fri, 13 Jan 2017 01:31:41 +0800
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To: Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Cc: linux-kernel <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, linux-sunxi <linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>, "	linux-gpio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <linux-gpio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, "	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" <linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>, Stephen Boyd <sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, "	linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, "	linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>
List-Id: devicetree@vger.kernel.org


2017=E5=B9=B41=E6=9C=8813=E6=97=A5 01:19=E4=BA=8E Maxime Ripard <maxime.rip=
ard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>=E5=86=99=E9=81=93=EF=BC=9A
>
> On Thu, Jan 12, 2017 at 03:44:53AM +0800, Icenowy Zheng wrote:=20
> >=20
> >=20
> > 12.01.2017, 03:40, "Icenowy Zheng" <icenowy-ymACFijhrKM@public.gmane.org>:=20
> > > 11.01.2017, 02:10, "Maxime Ripard" <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>=
:=20
> > >> =C2=A0On Tue, Jan 03, 2017 at 11:16:26PM +0800, Icenowy Zheng wrote:=
=20
> > >>> =C2=A0=C2=A0V3s has a similar but cut-down CCU to H3.=20
> > >>>=20
> > >>> =C2=A0=C2=A0Add support for it.=20
> > >>>=20
> > >>> =C2=A0=C2=A0Signed-off-by: Icenowy Zheng <icenowy-ymACFijhrKM@public.gmane.org>=20
> > >>=20
> > >> =C2=A0It looks like there's nothing different but the clocks that yo=
u=20
> > >> =C2=A0register with the H3, please just use the H3 driver.=20
> > >=20
> > > Nope.=20
> > >=20
> > > It has a different PLL (PLL_ISP) at different address, and some=20
> > > different muxes.=20
> >=20
> > Forgot to mention the missing of PLL_DE and related misses.=20
>
> Those are not conflicting, it's just a slightly different set of=20
> clocks.=20

If saying so, we can have only one ccu driver, and make every ccu register =
different set ;-)

V3s itself is a totally different SoC with H3.

The relationship of V3s and H3 can be farther than the relationship of A33 =
and H3=F0=9F=98=83

>
> So there's really nothing undoable.=20
>
> Maxime=20
>
> --=20
> Maxime Ripard, Free Electrons=20
> Embedded Linux and Kernel engineering=20
> http://free-electrons.com=20

--=20
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