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SubjectRe: [PATCH 04/12] ARM: dts: dragonboard-600c: add board support with serial
On Wed 23 Mar 18:48 PDT 2016, Stephen Boyd wrote:

> On 03/23/2016 06:04 PM, Bjorn Andersson wrote:
> > On Wed, Mar 23, 2016 at 1:30 PM, Srinivas Kandagatla
> > <srinivas.kandagatla@linaro.org> wrote:
> >>
> >> On 23/03/16 20:07, Stephen Boyd wrote:
[..]
> >
> > Also, if I make a product based of this board, with some minor
> > changes, is that still the sbc?
> >
> > I think the compatible should be "qcom,apq8064-db600c",
> > "qcom,apq8064-sbc", "qcom,apq8064"
> >
> >
>
> I really hope that people don't keep using the qcom bootloader dtb
> picking design if they make a new product based off qcom boards with a
> slight variation. They should replace the vendor part of the compatible
> anyway with their own vendor prefix, and then the bootloader would need
> to be updated to look for that string or something else. I really don't
> want to get in the business of updating dtbTool for all the non-qcom
> designs that pop up because they keep using the qcom dtb identification
> scheme. It almost doesn't scale right now and that's just qcom designs.

At that other company the various dtb's that was to be picked for a
given product was always to support the various SoC versions; so those
devices always shipped with the mtp board-id and msm-id.

As far as I've seen this is how Qualcomm's Android customers does it.


But as things progress further I do see a need for being able to also
pick the right product and at that point you're right that the vendor
must change their boot loader.

Regards,
Bjorn

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