Re: [PATCH v3 2/3] gpio: vortex: add new GPIO device driver

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On Thu, Aug 21, 2025 at 12:19 PM Marcos Del Sol Vives <marcos@xxxxxxxx> wrote:

> Add a new simple GPIO device driver for Vortex86 lines of SoCs,
> implemented according to their programming reference manual [1].
>
> This is required for detecting the status of the poweroff button and
> performing the poweroff sequence on ICOP eBox computers.
>
> IRQs are not implemented, as they are only available for ports 0 and 1,
> none which are accessible on my test machine (an EBOX-3352-GLW).
>
> [1]:
> http://www.dmp.com.tw/tech/DMP_Vortex86_Series_Software_Programming_Reference_091216.pdf
>
> Signed-off-by: Marcos Del Sol Vives <marcos@xxxxxxxx>

Wow this driver got really compact with gpio regmap!

Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Yours,
Linus Walleij





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