linux-kernel - Re: [PATCH v4 01/13] clk: samsung: exynos5433: Add binding document for Exynos5433 clock domains

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Date:	Mon, 02 Feb 2015 17:25:17 +0100
From:	Sylwester Nawrocki <s.nawrocki@...sung.com>
To:	cw00.choi@...sung.com
Cc:	Tomasz Figa <tomasz.figa@...il.com>,
	Mike Turquette <mturquette@...aro.org>,
	Kukjin Kim <kgene@...nel.org>,
	"pankaj.dubey@...sung.com" <pankaj.dubey@...sung.com>,
	sangbae90.lee@...sung.com,
	"inki.dae@...sung.com" <inki.dae@...sung.com>,
	"chanho61.park@...sung.com" <chanho61.park@...sung.com>,
	Seung-Woo Kim <sw0312.kim@...sung.com>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 01/13] clk: samsung: exynos5433: Add binding document
 for Exynos5433 clock domains

Hi Chanwoo,

On 02/02/15 16:51, Chanwoo Choi wrote:
> On Mon, Feb 2, 2015 at 11:40 PM, Sylwester Nawrocki
> <s.nawrocki@...sung.com> wrote:
>> > On 02/02/15 15:08, Chanwoo Choi wrote:
>> >
>>> >> OK, I'll add more following information:
>>> >> I'll send only patch1 with following information.
>>> >>
>>> >> + - clocks: list of clock identifiers which are fed as the input to
>>> >> +       the given clock controller. Please refer the next section to
>>> >> +       find the input clocks for a given controller.
>>> >> + - clock-names: list of names of clocks which are fed as the input
>>> >> +       to the given clock controller.
>>> >> +
>> >
>> > Perhaps:
>> >
>> > + - clocks: list of the clock controller input clock identifiers,
>> >         from common clock bindings. Please refer the next section
>> >         to find the input clocks for a given controller.
>> >
>> > +- clock-names: list of the clock controller input clock names,
>> >         as described in clock-bindings.txt.
>> >
>> > ?
>> > It's fine to resend just updated first patch from each series.
> OK,
> I'll modify the comment of 'clocks' and 'clock-names' and send only first patch.
> 
> I have a question. Do you prefer to add the list of input clocks for
> each clock domain as following?
> Or it is not necessary?
> 
>            +       Input clocks for top clock controller:
>            +               - oscclk
>            +               - sclk_mphy_pll
>            +               - sclk_mfc_pll
>            +               - sclk_bus_pll

We are supposed to document all required input clocks somehow, I would
keep the list in such form. The (example) cmu nodes are also a good
documentation IMHO, they also show clearly which cmu (block) given clock
is sourced from.

--
Thanks,
Sylwester
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