linux-kernel - Re: [PATCH 1/1] ARM: OMAP4: Add OMAP4 Blaze Tablet support

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Date:	Fri, 15 Feb 2013 01:33:39 -0600
From:	Jon Hunter <jon-hunter@...com>
To:	Ruslan Bilovol <ruslan.bilovol@...com>
CC:	Tony Lindgren <tony@...mide.com>, <linux-omap@...r.kernel.org>,
	<linux@....linux.org.uk>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 1/1] ARM: OMAP4: Add OMAP4 Blaze Tablet support


On 02/13/2013 05:28 PM, Ruslan Bilovol wrote:
> Hi Tony, Jon,
> 
> On Mon, Feb 11, 2013 at 9:00 PM, Tony Lindgren <tony@...mide.com> wrote:
>> * Jon Hunter <jon-hunter@...com> [130211 10:58]:
>>>
>>> Please note that the blaze is derived from the omap4-sdp board and so I
>>> would hope that we can use the existing for sdp dts and board file for
>>> blaze. In fact this is what I do today for basic booting.
>>>
>>> So unless there is some feature on the blaze that is not compatible with
>>> the original sdp, we should just use the sdp dts.
>>
>> Sounds like we need some common .dts file and separate files
>> for sdp, blaze and tablet that include the common .dts file?
>>
>> There's a different LCD panel at least between blaze and the
>> tablet.
> 
> Please note, that, although 'Blaze' board is very close to 'SDP' board,
> there are quite big differences comparing to 'Blaze Tablet' board.
> At least:
>  - LCD panels
>  - touchscreen controllers
>  - LEDs
>  - Keypad (on 'Blaze') / gpio keys (on 'Blaze Tablet')
>  - Sensors
>  - HS USB Host related stuff

SDP also has usb host too (but yes blaze does not).

>  - cameras (there is no embedded cameras on 'Blaze Tablet' board)
> 
> As per my point of view, next should be done:
> 1) Add the DTS file for BlazeTablet board
> 2) Figure out what is common for both and move it to some common file
> (if that makes sense)
> 
> I'm currently working on step '#1'. So after that step #2 should not
> be an issue for us.

Sounds good. They all use the same processor boards and so may be that
can be common in DT and we can have a dtsi for that.

Cheers
Jon
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