Thread (27 messages) 27 messages, 6 authors, 2015-01-19
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[PATCH 1/2] ARM: tegra: add Acer Chromebook 13 device tree

From: Stephen Warren <hidden>
Date: 2014-08-13 17:12:01
Also in: linux-tegra

On 08/13/2014 11:04 AM, Andrew Bresticker wrote:
On Wed, Aug 13, 2014 at 9:51 AM, Stephen Warren [off-list ref] wrote:
quoted
On 08/13/2014 02:53 AM, Thierry Reding wrote:
quoted
On Tue, Aug 12, 2014 at 06:56:07PM -0700, Dylan Reid wrote:
quoted
The Acer Chromebook 13, codenamed "Big", contains an NVIDIA tegra124
processor and is similar to the Venice2 reference platform.

The keyboard, USB 2, audio, HDMI, sdcard and emmc have been tested
and work on the 1366x768 models.  I haven't tried on the HD systems
yet.

Presumably the HD systems will have a different compatible? Is it only
the panel that's different or are there other changes?

Yes, we definitely need to plan ahead for the different SKUs. I assume we'll
have different board names for each board, which then translates int DT
filenames and U-Boot/cbootimage-configs/tegra-uboot-flasher board
The firmware does not differentiate between the HD and non-HD boards,
so it will look for the same compatible string.  As I mentioned in my
response to Thierry, we'd need to parse the EDID to figure out which
panel is being used.
Well, that's if we do it at run-time. We could just have a separate DT 
per SKU, couldn't we?
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