[PATCH] OMAP4: PandaBoard: Adding DVI support

Robert Nelson robertcnelson at gmail.com
Wed Feb 9 20:13:54 EST 2011


On Wed, Feb 9, 2011 at 1:07 PM, Robert Nelson <robertcnelson at gmail.com> wrote:
> On Wed, Feb 9, 2011 at 8:08 AM, Gadiyar, Anand <gadiyar at ti.com> wrote:
>> On Wed, Feb 9, 2011 at 7:25 PM, Raghuveer Murthy
>> <raghuveer.murthy at ti.com> wrote:
>>> Adding DVI support to OMAP4 PandaBoard.
>>>
>>> PandaBoard uses TFP410 DVI Framer chip
>>> http://focus.ti.com/lit/ds/symlink/tfp410.pdf
>>>
>>> The TFP410 gets its power enable and display data over GPIO lines muxed
>>> in from OMAP4430. PandaBoard supports other LCD displays through expansion
>>> connectors, following board rework. This will disable the DVI interface.
>>> However, the existing mux settings remain the same
>>>
>>> PandaBoard additionally supports display over HDMI interface. It is
>>> mutually exclusive to display over DVI. Hence the mux settings need to be
>>> configured seperately, as and when HDMI is enabled
>>>
>>> Also, I2C3 bus used for reading EDID data from DVI Monitors is
>>> registered here. Since the design is similar to BeagleBoard, the code
>>> for the same is taken from the kernel.org commit e3333f48dd5cb21
>>> (omap: Adding beagle i2c eeprom driver to read EDID)
>>>
>>> Reviewed-by: Manjunath G Kondaiah <manjugk at ti.com>
>>> Reviewed-by: Anand Gadiyar <gadiyar at ti.com>
>>
>> I've also tested it on the Panda, and gone through this and most
>> of the other patches in the series. So if you like, you could
>> consider this an:
>>
>> Acked-by: Anand Gadiyar <gadiyar at ti.com>
>>
>>> Reviewed-by: Nishanth Menon <nm at ti.com>
>>> Reviewed-by: Sumit Semwal <sumit.semwal at ti.com>
>>> Signed-off-by: Raghuveer Murthy <raghuveer.murthy at ti.com>
>>> ---
>>>
>>> Base
>>> ====
>>> url =
>>> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
>>> branch "master"
>>> commit 100b33c8bd8a3235fd0b7948338d6cbb3db3c63d
>>> tag 2.6.38-rc4
>>>
>>
>> To make it easier for someone to test, I've extracted this
>> and the 6 dependent series from patchwork, and hosted
>> them in a branch on my devel tree. They are available
>> against v2.6.38-rc4 here:
>>
>> git://dev.omapzoom.org/pub/scm/anand/linux-omap-usb.git
>>
>> in the display-patches-for-v2.6.38-rc4 branch if someone
>> wants to take a look.
>
> These work great on my Panda A1, (mainline 2.6.38-rc4 base) haven't
> seen any regressions on my Beagle C4 with the same patchset/image..

for the panda patches:

Tested-by: Robert Nelson <robertcnelson at gmail.com>



-- 
Robert Nelson
http://www.rcn-ee.com/



More information about the linux-arm-kernel mailing list