linux-kernel - Re: [RFC] Common clock framework for external clock generators

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Message-ID: <507AE567.7040701@gmail.com>
Date:	Sun, 14 Oct 2012 18:16:39 +0200
From:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
To:	Daniel Mack <zonque@...il.com>
CC:	linux-kernel@...r.kernel.org,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Mike Turquette <mturquette@...com>,
	linux ARM <linux-arm-kernel@...ts.infradead.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	devicetree-discuss@...ts.ozlabs.org
Subject: Re: [RFC] Common clock framework for external clock generators

On 10/14/2012 01:13 PM, Daniel Mack wrote:
> I think the sub-node style above it nicer because it allows referencing
> the individual clocks outputs with a phandle. We use this chip to
> generate base-frequencies for audio clocks, and so we have to switch
> between two freqs for the multiples of 22.5KHz and 24KHz at runtime.

Both examples allow you to have a phandle for all individual clock-outputs.
The examples weren't complete but with the sub-node style you'll reference
with e.g. <&clkout0> while the flat one will use <&si5351 0>. I still prefer
the flat-style as it will not allow to have a phandle of plls.

Sebastian

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