[PATCH v3 0/4] input: add GPIO-based charlieplex keypad

[Geert Uytterhoeven]

Hi Hugo,

Thanks for your series!

On Wed, 25 Feb 2026 at 16:54, Hugo Villeneuve <hugo at hugovil.com> wrote:
> From: Hugo Villeneuve <hvilleneuve at dimonoff.com>
>
> Hello,
> this patch series add a new GPIO charlieplex keypad driver.
>
> The first two patches simply commonize two properties that are present in
> a few bindings, so that the actual patches for the charlieplex keypad driver
> can reuse them instead of also redefining them.
>
> I have tested the driver on a custom board with a Solidrun RZ/G2LC SOM
> with three charlieplex keyboards, all connected thru a single PCA9416 I2C GPIO

PCA9416? The closest I could find is TCA9416, which is something
different.

> expander.
>
> Link: [v1] https://lore.kernel.org/all/20260203155023.536103-1-hugo@hugovil.com/
> Link: [v2] https://lore.kernel.org/all/20260213171431.2228814-1-hugo@hugovil.com/

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at 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