dt-bindings: gpio: pca953x: Document onnn,cat9554

The ON Semiconductor CAT9554 is a variant of the PCA953x GPIO expander,
with 8 GPIOs and interrupt functionality.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This commit is contained in:
Geert Uytterhoeven 2019-03-21 10:21:44 +01:00 • committed by Bartosz Golaszewski
commit 5c9f8cfe3c