linux-kernel - Re: [PATCH 06/11] clk: sunxi: add generic multi-parent bus clock gates driver

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Message-Id: <20160201194000.282a253b14a2ab35df8b8cc7@free.fr>
Date:	Mon, 1 Feb 2016 19:40:00 +0100
From:	Jean-Francois Moine <moinejf@...e.fr>
To:	Andre Przywara <andre.przywara@....com>
Cc:	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Chen-Yu Tsai <wens@...e.org>, linux-sunxi@...glegroups.com,
	Arnd Bergmann <arnd@...db.de>,
	Emilio López <emilio@...pez.com.ar>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	linux-kernel@...r.kernel.org, Jens Kuske <jenskuske@...il.com>,
	linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 06/11] clk: sunxi: add generic multi-parent bus clock
 gates driver

On Mon,  1 Feb 2016 17:39:25 +0000
Andre Przywara <andre.przywara@....com> wrote:

> The Allwinner H3 SoC introduced bus clock gates with potentially
> different parents per clock gate. The H3 driver chose to hardcode the
> actual parent clock relation in the code.
> Add a new driver (which has the potential to drive the H3 and also
> the simple clock gates as well) which uses the power of DT to describe
> this relationship in an elegant and flexible way.
> Using one subnode for every parent clock we get away with a single
> DT compatible match, which can be used as a fallback value in the
> actual DTs without the need to add specific compatible strings to the
> code.  This avoids adding a new driver or function for every new SoC.
> 
> Signed-off-by: Andre Przywara <andre.przywara@....com>
> ---
> Changelog RFC .. v1:
> - fix IRQ muxes to cover the three banks of the SoC
> - amend naming of PCM pins
> 
>  drivers/clk/sunxi/Makefile          |   1 +
>  drivers/clk/sunxi/clk-multi-gates.c | 105 ++++++++++++++++++++++++++++++++++++
>  2 files changed, 106 insertions(+)
>  create mode 100644 drivers/clk/sunxi/clk-multi-gates.c
	[snip]

Glad to see that things are moving to the right way. Thanks.

Acked-by: Jean-Francois Moine <moinejf@...e.fr>

-- 
Ken ar c'hentañ	|	      ** Breizh ha Linux atav! **
Jef		|		http://moinejf.free.fr/