On Wed, Jul 20, 2016 at 9:45 AM, Warner Losh <i...@bsdimp.com> wrote:
> On Wed, Jul 20, 2016 at 3:05 AM, David Chisnall <thera...@freebsd.org> wrote:
>> On 20 Jul 2016, at 05:48, Warner Losh <i...@bsdimp.com> wrote:
>>> My concern with this is overlay support. Overlay support for "shields" or
>>> "badges" is going into upstream GPL dtc shortly. The patches have been
>>> kicking around for a while and are almost ready to go in. We need this 
>>> feature
>>> and I'd planned on bringing it into the tree as soon as it goes into the git
>>> repo. It's sorely needed for things like RPi and BBB that make it super
>>> easy to add boards with parts that need a bit more DTB into the FDT to
>>> describe them. There's been patches to bring this functionality into the
>>> loader and into the in-tree gpl dtc floating around for a while now.
>> Is the syntax / semantics for overlays documented somewhere?

I've been trying to get the final spec for it. Right now it's a
disorganized series
of patches, some of which have been merge some that haven't. I'll send you a
copy when I can find something better than "here's the code."

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