[PATCH v2 2/2] gpio: pca953x: Add support for the NXP PCAL9554B/C

[Mike Looijmans]

The NXP PCAL9554B is a variant of the PCA953x GPIO expander,
with 8 GPIOs, latched interrupts and some advanced configuration
options. The "C" version only differs in I2C address.

Signed-off-by: Mike Looijmans <mike.looijm...@topic.nl>
---
v2: Split devicetree and code into separate patches

 drivers/gpio/gpio-pca953x.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index bd2e96c34f82..fb946b01512d 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -90,6 +90,7 @@ static const struct i2c_device_id pca953x_id[] = {
        { "pcal6416", 16 | PCA953X_TYPE | PCA_LATCH_INT, },
        { "pcal6524", 24 | PCA953X_TYPE | PCA_LATCH_INT, },
        { "pcal9535", 16 | PCA953X_TYPE | PCA_LATCH_INT, },
+       { "pcal9554b", 8  | PCA953X_TYPE | PCA_LATCH_INT, },
        { "pcal9555a", 16 | PCA953X_TYPE | PCA_LATCH_INT, },
 
        { "max7310", 8  | PCA953X_TYPE, },
@@ -1237,6 +1238,7 @@ static const struct of_device_id pca953x_dt_ids[] = {
        { .compatible = "nxp,pcal6416", .data = OF_953X(16, PCA_LATCH_INT), },
        { .compatible = "nxp,pcal6524", .data = OF_953X(24, PCA_LATCH_INT), },
        { .compatible = "nxp,pcal9535", .data = OF_953X(16, PCA_LATCH_INT), },
+       { .compatible = "nxp,pcal9554b", .data = OF_953X( 8, PCA_LATCH_INT), },
        { .compatible = "nxp,pcal9555a", .data = OF_953X(16, PCA_LATCH_INT), },
 
        { .compatible = "maxim,max7310", .data = OF_953X( 8, 0), },
-- 
2.17.1