dt-bindings: gpio: pca953x: document the nxp,pcal6416

The NXP PCAL6416 is a variant of the PCA GPIO expander, with 16 GPIOs.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>

diff --git a/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt b/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt
index 4e3c550..fb144e2 100644 (file)
--- a/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt
@@ -16,6 +16,7 @@ Required properties:
        nxp,pca9574
        nxp,pca9575
        nxp,pca9698
+       nxp,pcal6416
        nxp,pcal6524
        nxp,pcal9555a
        maxim,max7310