[PATCH] gpio: davinci: add support for pinmux gpio ranges

Linus Walleij linus.walleij at linaro.org
Wed Feb 7 05:00:43 PST 2018

On Mon, Jan 22, 2018 at 12:09 AM, David Lechner <david at lechnology.com> wrote:

> This adds support for the pinmux gpio ranges feature to the DaVinci gpio
> driver. Only device tree is supported since the non-DT boards don't
> use a generic pinmux controller.
> Cc: Keerthy <j-keerthy at ti.com>
> Cc: Linus Walleij <linus.walleij at linaro.org>
> Signed-off-by: David Lechner <david at lechnology.com>

Nice, patch applied!

> +       if (of_property_read_bool(dev->of_node, "gpio-ranges")) {
> +               chips->chip.request = gpiochip_generic_request;
> +               chips->chip.free = gpiochip_generic_free;
> +       }

If the backing pin controller can do things like debounce
or open drain pin control, consider using also the
gpiochip_generic_config() callback in the future.

Linus Walleij

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