gpio: pca9570: Add DT bindings for NXP PCA9571

This patch adds device tree bindings for the NXP PCA9571,
a 8-bit I2C GPIO expander.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>

diff --git a/Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml b/Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml
index 338c5312a1067db14451c2dc360e1bdb1cf1e1f0..1acaa0a3d35afe43a7dd294663ea698ccc8a5ae8 100644 (file)
--- a/Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml
+++ b/Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml
@@ -13,6 +13,7 @@ properties:
   compatible:
     enum:
       - nxp,pca9570
+      - nxp,pca9571
 
   reg:
     maxItems: 1