Re: [PATCH v5] gpio: winbond: add driver

From: Linus Walleij
Date: Tue Jan 09 2018 - 08:53:26 EST


On Sat, Jan 6, 2018 at 12:46 AM, Maciej S. Szmigiero
<mail@xxxxxxxxxxxxxxxxxxxxx> wrote:

> This commit adds GPIO driver for Winbond Super I/Os.
>
> Currently, only W83627UHG model (also known as Nuvoton NCT6627UD) is
> supported but in the future a support for other Winbond models, too, can
> be added to the driver.
>
> A module parameter "gpios" sets a bitmask of GPIO ports to enable (bit 0 is
> GPIO1, bit 1 is GPIO2, etc.).
> One should be careful which ports one tinkers with since some might be
> managed by the firmware (for functions like powering on and off, sleeping,
> BIOS recovery, etc.) and some of GPIO port pins are physically shared with
> other devices included in the Super I/O chip.
>
> Signed-off-by: Maciej S. Szmigiero <mail@xxxxxxxxxxxxxxxxxxxxx>

> Changes from v4:

This v5 version applied, I also added Andy's review tag.

Good work!

Yours,
Linus Walleij