linux-kernel - Re: [PATCH RFC v2] media: tvp514x: add OF support

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Date:	Sun, 3 Feb 2013 21:40:25 +0530
From:	Prabhakar Lad <prabhakar.csengg@...il.com>
To:	Sekhar Nori <nsekhar@...com>
Cc:	Sylwester Nawrocki <sylvester.nawrocki@...il.com>,
	Rob Landley <rob@...dley.net>,
	DLOS <davinci-linux-open-source@...ux.davincidsp.com>,
	Mauro Carvalho Chehab <mchehab@...hat.com>,
	linux-doc@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org,
	Rob Herring <rob.herring@...xeda.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Hans Verkuil <hans.verkuil@...co.com>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Sakari Ailus <sakari.ailus@....fi>,
	Guennadi Liakhovetski <g.liakhovetski@....de>,
	LMML <linux-media@...r.kernel.org>
Subject: Re: [PATCH RFC v2] media: tvp514x: add OF support

Sekhar,

On Sun, Feb 3, 2013 at 6:40 PM, Sekhar Nori <nsekhar@...com> wrote:
> On 2/3/2013 3:43 PM, Prabhakar Lad wrote:
>> Hi Sylwester,
>>
>> Thanks for the review.
>>
>> On Sat, Feb 2, 2013 at 4:07 AM, Sylwester Nawrocki
>> <sylvester.nawrocki@...il.com> wrote:
>>> Hi Prabhakar,
>>>
>>> On 01/29/2013 02:07 PM, Prabhakar Lad wrote:
>>> [...]
>>>
>>>> diff --git a/Documentation/devicetree/bindings/media/i2c/tvp514x.txt
>>>> b/Documentation/devicetree/bindings/media/i2c/tvp514x.txt
>>>> new file mode 100644
>>>> index 0000000..55d3ffd
>>>> --- /dev/null
>>>> +++ b/Documentation/devicetree/bindings/media/i2c/tvp514x.txt
>>>> @@ -0,0 +1,38 @@
>>>> +* Texas Instruments TVP514x video decoder
>>>> +
>>>> +The TVP5146/TVP5146m2/TVP5147/TVP5147m1 device is high quality,
>>>> single-chip
>>>> +digital video decoder that digitizes and decodes all popular baseband
>>>> analog
>>>> +video formats into digital video component. The tvp514x decoder supports
>>>> analog-
>>>> +to-digital (A/D) conversion of component RGB and YPbPr signals as well as
>>>> A/D
>>>> +conversion and decoding of NTSC, PAL and SECAM composite and S-video into
>>>> +component YCbCr.
>>>> +
>>>> +Required Properties :
>>>> +- compatible: Must be "ti,tvp514x-decoder"
>>>
>>>
>>> There are no significant differences among TVP514* devices as listed above,
>>> you would like to handle above ?
>>>
>>> I'm just wondering if you don't need ,for instance, two separate compatible
>>> properties, e.g. "ti,tvp5146-decoder" and "ti,tvp5147-decoder" ?
>>>
>> There are few differences in init/power sequence tough, I would still
>> like to have
>> single compatible property "ti,tvp514x-decoder", If you feel we need separate
>> property I will change it please let me know on this.
>
> Compatible properties should not use generic part numbers. See one past
> discussion here: http://en.usenet.digipedia.org/thread/18472/20788/
>
Thanks for the link, I'll have separate compatible properties.

Regards,
--Prabhakar

> Thanks,
> Sekhar
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