Re: [PATCH 1/2] ARM: tegra: add Acer Chromebook 13 device tree

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On Wed, Aug 13, 2014 at 10:12 AM, Stephen Warren <swarren@xxxxxxxxxxxxx> wrote:
> On 08/13/2014 11:04 AM, Andrew Bresticker wrote:
>>
>> On Wed, Aug 13, 2014 at 9:51 AM, Stephen Warren <swarren@xxxxxxxxxxxxx>
>> wrote:
>>>
>>> On 08/13/2014 02:53 AM, Thierry Reding wrote:
>>>>
>>>>
>>>> On Tue, Aug 12, 2014 at 06:56:07PM -0700, Dylan Reid wrote:
>>>>>
>>>>>
>>>>> 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?

Oh right - yes, that would work.
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