overlays: mcp23017: Add option for not connecting the int GPIO
authorDave Stevenson <dave.stevenson@raspberrypi.org>
Thu, 5 Sep 2019 16:41:46 +0000 (17:41 +0100)
committerPhil Elwell <pelwell@users.noreply.github.com>
Fri, 6 Sep 2019 13:48:52 +0000 (14:48 +0100)
commit3da8071c3b4ef62d5954074af1330fd561eae61c
treeb0871b70f3f847e0a4b3b56e0c17f50af6ca7cb4
parent1c501f92ccb41b55f55e32dca1aea9ebdb28e991
overlays: mcp23017: Add option for not connecting the int GPIO

The interrupt GPIO is optional to the driver, therefore add an
option to not configure it.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
arch/arm/boot/dts/overlays/README
arch/arm/boot/dts/overlays/mcp23017-overlay.dts