linux-kernel - Re: [PATCH v2] misc: Driver for Silicon Labs Si570 and compatibles

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Date:	Wed, 20 Apr 2011 09:34:19 -0700
From:	Guenter Roeck <guenter.roeck@...csson.com>
To:	Jonathan Cameron <jic23@....ac.uk>
CC:	Greg Kroah-Hartman <gregkh@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jonathan Cameron <kernel@...23.retrosnub.co.uk>,
	Randy Dunlap <rdunlap@...otime.net>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Hennerich, Michael" <Michael.Hennerich@...log.com>
Subject: Re: [PATCH v2] misc: Driver for Silicon Labs Si570 and compatibles

On Wed, Apr 20, 2011 at 05:23:36AM -0400, Jonathan Cameron wrote:
> On 04/19/11 22:36, Guenter Roeck wrote:
> > This driver adds support for Si570, Si571, Si598, and Si599
> > programmable XO/VCXO.
> cc'd Michael Hennerich, as I would imagine this has some similarities to the DDS
> chips we have in IIO (be it a very simple one).
> 
> Guenter, what is your use case for this part?
> 
It is used to generate a configurable serdes clock. The clock is either
left alone at its default, or configured during system startup.

What is the use case for dds devices ?

Thanks,
Guenter
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