gpio: mcp23s08: Add option to configure IRQ output polarity as active high
authorAlexander Stein <alexander.stein@systec-electronic.com>
Mon, 1 Dec 2014 07:26:00 +0000 (08:26 +0100)
committerLinus Walleij <linus.walleij@linaro.org>
Wed, 3 Dec 2014 13:34:45 +0000 (14:34 +0100)
commita4e635544f65021c346f2097daa0c8dd63dd6221
tree0221e40e110afa800db6e4fa210fdcaf4e78f998
parent0e9a5edf5d01356fa4a561772a25d97b3fd13de6
gpio: mcp23s08: Add option to configure IRQ output polarity as active high

Default is active low, but if property is specified in DT set INTPOL flag.

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Documentation/devicetree/bindings/gpio/gpio-mcp23s08.txt
drivers/gpio/gpio-mcp23s08.c