Re: Device tree representation of (hotplug) connectors: discussion at ELCE

Geert Uytterhoeven
2025-09-08T09:01:56Z

Hi David,

On Mon, 8 Sept 2025 at 06:36, David Gibson <david@gibson.dropbear.id.au> wrote:
> On Thu, Sep 04, 2025 at 11:15:44AM +0530, Ayush Singh wrote:
> > I would need to wrap my head around this a bit, specially in context of
> > chaining connectors. It does seem like it will still require the points you
> > mentioned above to be present in one form or another, i.e. some way to
> > extend busses to different nodes/trees and connector (even a chained one)
> > local symbols/aliases.
>
> Yes, it would still require those mappings. I don't think chained
> connectors introduce a lot of extra complication. An intermediate
> connector would need to be able to "re-export" things it got from its
> parent connector to its child connector(s) - renaming them if
> necessary.

I don't expect chained connectors to be complicated.
Boards using multiple-connectors may be more difficult, e.g.
https://1bitsquared.de/products/pmod-hyperram

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds