Re: [PATCH v6 1/1] gpio: mpfs: add polarfire soc gpio support

From: Andy Shevchenko
Date: Wed Aug 31 2022 - 17:05:40 EST


On Mon, Aug 22, 2022 at 2:30 PM Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
> On Mon, Aug 15, 2022 at 2:08 PM <lewis.hanly@xxxxxxxxxxxxx> wrote:

...

> This looks like textbook example of a driver that can use
> CONFIG_GPIO_GENERIC

> See e.g. drivers/gpio/gpio-ftgpio010.c for an example
> of how to use bgpio_init() to set up the helper library to handle
> the GPIO side of things and combine it with an irqchip.
> You get get/set_multiple() for free with this approach.
> Also see documentation for bgpio_init() in
> drivers/gpio/gpio-mmio.c.

I would also suggest looking at gpio-regmap.c.

--
With Best Regards,
Andy Shevchenko