gpio: Add AXP209 GPIO driver

The AXP209 PMIC has a bunch of GPIOs accessible, that are usually used to
control LEDs or backlight.

Add a driver for them

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Maxime Ripard 2016-07-20 16:11:36 +02:00 • committed by Linus Walleij
commit f72f4b44df
4 changed files with 199 additions and 0 deletions