dt-bindings: gpio: pca953x: document the nxp,pca6416

The NXP PCA6416 is a variant of the PCA GPIO expander, with 16 GPIOs.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt b/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt
index 8678df2a5713a9aff5f3f7e1f3204d2a31591773..dab537c20def4ce15dfa4c2200d34f775b257fde 100644 (file)
--- a/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt
@@ -2,6 +2,7 @@
 
 Required properties:
  - compatible: Has to contain one of the following:
+       nxp,pca6416
        nxp,pca9505
        nxp,pca9534
        nxp,pca9535