Subject: [PATCH 2/2] ARM: tegra: initial add of Colibri T30

From: [email-masked] (Thierry Reding)
Date: Wed, 14 May 2014 16:32:11 +0200

On Wed, May 14, 2014 at 09:22:54AM +0200, Marcel Ziswiler wrote:
> On 05/13/2014 09:49 PM, Stephen Warren wrote:
> >On 05/13/2014 11:27 AM, stefan at agner.ch wrote:
[...]
> >>+	panel: panel {
> >>+		compatible = "edt,et057090dhu", "simple-panel";
> >
> >The panel-simple driver doesn't seem to know about that EDT panel. How
> >will it work out the display timings?
> 
> Good question and me and Stefan actually even talked about that yesterday. I
> am actually using KMS right now as follows:
> 
> video=HDMI-A-1:1280x720-16 at 60 video=LVDS-1:640x480-16 at 60'
> 
> So the panel node is purely used to hook up the back light part right now.
> 
> From our point of view for our completely generic module approach where each
> customer potentially hooks up his own display make/model it would be
> desirable to have some way of defining such timings directly through the
> device tree.

Every customer design would presumably get its own device tree file, so
they could easily follow the current conventions and update the
panel-simple driver with the proper compatible value and display timings
and then simply make the panel device node compatible with that.

Thierry
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