gpio: pca953x: add support for pca6416

The NXP PCA6416, documented at [1], is a variant of the PCA GPIO
expander with 16 GPIOs, and supporting an interrupt.

[1] https://www.nxp.com/docs/en/data-sheet/PCA6416A.pdf

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

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 75066e538b13b30a745bb834a546bd9c7653509b..b7ef33f63392a29e0aca0329d5d6fb5abab05b52 100644 (file)
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -73,6 +73,7 @@
 #define PCA_CHIP_TYPE(x)       ((x) & PCA_TYPE_MASK)
 
 static const struct i2c_device_id pca953x_id[] = {
+       { "pca6416", 16 | PCA953X_TYPE | PCA_INT, },
        { "pca9505", 40 | PCA953X_TYPE | PCA_INT, },
        { "pca9534", 8  | PCA953X_TYPE | PCA_INT, },
        { "pca9535", 16 | PCA953X_TYPE | PCA_INT, },
@@ -1148,6 +1149,7 @@ static int pca953x_resume(struct device *dev)
 #define OF_957X(__nrgpio, __int) (void *)(__nrgpio | PCA957X_TYPE | __int)
 
 static const struct of_device_id pca953x_dt_ids[] = {
+       { .compatible = "nxp,pca6416", .data = OF_953X(16, PCA_INT), },
        { .compatible = "nxp,pca9505", .data = OF_953X(40, PCA_INT), },
        { .compatible = "nxp,pca9534", .data = OF_953X( 8, PCA_INT), },
        { .compatible = "nxp,pca9535", .data = OF_953X(16, PCA_INT), },