gpio: pca953x: Add support for the On Semi pca9655

stable inclusion
from linux-4.19.198
commit b65f7b435e022a74d6777f67b3ae12f960ea26d3

--------------------------------

[ Upstream commit 6d49b3a0 ]

The On Semi pca9655 is a 16 bit variant of the On Semi pca9654 GPIO
expander, with 16 GPIOs and interrupt functionality.
Signed-off-by: NPeter Robinson <pbrobinson@gmail.com>
[Bartosz: fixed indentation as noted by Andy]
Signed-off-by: NBartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

drivers/gpio/gpio-pca953x.c

@@ -980,6 +980,7 @@ static const struct of_device_id pca953x_dt_ids[] = {
 	{ .compatible = "ti,tca6424", .data = OF_953X(24, PCA_INT), },
 
 	{ .compatible = "onnn,pca9654", .data = OF_953X( 8, PCA_INT), },
+	{ .compatible = "onnn,pca9655", .data = OF_953X(16, PCA_INT), },
 
 	{ .compatible = "exar,xra1202", .data = OF_953X( 8, 0), },
 	{ }