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Subject[PATCH] gpio: pca953x: Add support for the NXP PCAL9554B/C
Date
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.looijmans@topic.nl>
---
Documentation/devicetree/bindings/gpio/gpio-pca953x.txt | 1 +
drivers/gpio/gpio-pca953x.c | 2 ++
2 files changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt b/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt
index 3126c3817e2a..99dc1936f633 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt
@@ -20,6 +20,7 @@ Required properties:
nxp,pcal6416
nxp,pcal6524
nxp,pcal9535
+ nxp,pcal9554b
nxp,pcal9555a
maxim,max7310
maxim,max7312
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
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