Re: [PATCH v2 1/2] dt-bindings: gpio: add gpio-aggregator binding

[James Hilliard]

On Thu, Feb 19, 2026 at 4:00 PM Linus Walleij <linusw@xxxxxxxxxx> wrote:
>
> On Thu, Feb 19, 2026 at 11:29 PM James Hilliard
> <james.hilliard1@xxxxxxxxx> wrote:
>
> > From my testing, gpio-map does not allow renaming lines.
>
> Right, so that is something the aggregator will actually do since it
> creates a whole new GPIO chip.
>
> That feels iffy though because aggregator is really heavyweight and was never
> used for this purpose (it's more of a GPIO counterpart to a hierarchical
> interrupt chip) and the gpio/interrupt-map nexus is really lightweight.

That's one reason I came up with the gpio-line alternative method
of configuring line names using a line specific "gpio-line-name".

>
> Yours,
> Linus Walleij