From: moinejf@free.fr (Jean-Francois Moine)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: mvebu: add ethernet to the cm-a510 board
Date: Fri, 6 Feb 2015 08:58:55 +0100 [thread overview]
Message-ID: <20150206085855.7b8d494b@armhf> (raw)
In-Reply-To: <54D3EB26.9020909@gmail.com>
On Thu, 05 Feb 2015 23:13:58 +0100
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> wrote:
> > At this moment, I am trying to configure the framebuffer, but as Moine
> > told me,it seems there is not video driver support for this board in
> > DT... :( .
>
> Not quite true. Video is made up of at least 4 different devices:
> Framebuffer, GPU, Decode engine, and usually DVI/HDMI transmitter or
> VGA.
>
> We do have a driver for the framebuffer (armada_drm) and there is great
> work from Russell King and others on the GPU and Decode engine (IIRC).
Yes, but it has no DT support. Mine has.
> If you are using the sb-a510, I can see from the manual, that DVI
> transmitter is SIL164.. AFAIS there is a driver for it, that maybe
> needs some polishing. Nobody ever tested VGA, but it shouldn't be too
> hard to add support for it as it is directly supported by the
> framebuffer HW.
This asks for some VGA encoder/connector module.
Actually, as Gabriel told me that his screen is directly connected to
the RGB LCD output, I wrote a simple panel for him. This module just
gets the display timings from the DT.
> One quite important driver at least for Dove is a clock source for
> video. Internal clock generators for video are way to limited with
> respect to frequencies to allow any useful resolution.
>From my previous tests with the si5351 in the Cubox, most video modes
should work without external clocks.
> I'll see if I can have a look at the dts stuff this weekend.. that
> way we'll have at least the basic done before moving to the other
> devices.
--
Ken ar c'henta? | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
next prev parent reply other threads:[~2015-02-06 7:58 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <E1YH5bU-0005mG-3L@bombadil.infradead.org>
2015-01-30 9:44 ` [PATCH] ARM: dts: mvebu: add ethernet to the cm-a510 board Sebastian Hesselbarth
2015-01-30 10:31 ` Jean-Francois Moine
2015-01-30 11:00 ` Sebastian Hesselbarth
2015-01-30 11:41 ` Jean-Francois Moine
2015-01-30 12:03 ` Sebastian Hesselbarth
2015-01-30 12:39 ` Jean-Francois Moine
2015-01-30 12:50 ` Sebastian Hesselbarth
[not found] ` <54CE354F.5090106@gmail.com>
2015-02-05 22:13 ` Sebastian Hesselbarth
2015-02-06 7:58 ` Jean-Francois Moine [this message]
2015-02-06 10:05 ` Sebastian Hesselbarth
2015-02-06 10:50 ` Jean-Francois Moine
2015-02-06 10:52 ` Russell King - ARM Linux
2015-02-06 10:48 ` Russell King - ARM Linux
[not found] ` <54D48711.8060903@gmail.com>
2015-02-06 10:00 ` Sebastian Hesselbarth
2015-01-30 12:44 ` David Goodenough
2015-01-30 13:07 ` Sebastian Hesselbarth
2015-01-30 13:32 ` David Goodenough
2015-01-30 6:06 Jean-Francois Moine
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