[Arm-netbook] devicetree and testing

Luke Kenneth Casson Leighton lkcl at lkcl.net
Tue Apr 17 22:47:19 BST 2018

crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68

On Tue, Apr 17, 2018 at 9:54 PM, Richard Wilbur
<richard.wilbur at gmail.com> wrote:
> On Apr 16, 2018, at 22:04, Luke Kenneth Casson Leighton <lkcl at lkcl.net>
> wrote:
> On Tue, Apr 17, 2018 at 4:53 AM, Richard Wilbur <richard.wilbur at gmail.com>
> wrote:
> I am working on the devicetree for the microdesktop v1.7 and the DS113
> v2.7.5 as it sounds like that is the natural prerequisite to
> auto-configuration and more-automated testing.
> awesome.  remember though that testing will be done with 3.4.104+ as it's
> where 100% of the functionality is present.
> If I'm understanding you correctly the 3.4.104 kernel is the most recent
> kernel to have free support for all the promised functionality of the
> DS-113, but lacks devicetree support to make that functionality
> autoconfigurable?

 that's correct.

>  That is a beastly spot to be in!


> In that case I'll make
> the manual tables from which we can initially code up some tests by using
> the gpio driver and later write up the devicetree.


> So, sorry for being a bit thick headed, it just dawned on me what our
> priorities have to be and why:


> 1.  Hack together some tests under 3.4.104 that we can run on the extant
> drivers.
> 2.  Work on getting extant A20 drivers mainlined in the linux kernel.

 people have been working on that for many many years.

> 3.  Create devicetree for DS113 v2.7.4 and v2.7.5, … (all extant versions
> of DS113 and microdesktop case).
> 4.  Work on getting devicetree with add/remove overlay support mainlined in
> the linux kernel (and u-boot?).


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