On Thu, 05 Feb 2015 23:13:58 +0100 Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx> 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'hentañ | ** Breizh ha Linux atav! ** Jef | http://moinejf.free.fr/ -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
