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authorMike Looijmans <mike.looijmans@topic.nl>2020-09-30 11:20:53 +0200
committerLinus Walleij <linus.walleij@linaro.org>2020-09-30 11:50:34 +0200
commit237d96164f2c2b33d0d5094192eb743e9e1b04ad (patch)
tree9136259f188095bc26195f85e69a66d457501415 /drivers/gpio
parent3d5a46544b97ca1c446e13f4aa1b0f811e5a0a7c (diff)
gpio: pca953x: Add support for the NXP PCAL9554B/C
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> Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Link: https://lore.kernel.org/r/20200930092053.2114-2-mike.looijmans@topic.nl Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-pca953x.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index b5c3e56613a7..4302bdee0575 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, },
@@ -1234,6 +1235,7 @@ 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), },