gpio: pca953x: introduce support for nxp,pcal6408

The NXP PCAL6408 is the 8-bit version of PCAL6416.

Signed-off-by: Nate Drude <nate.d@variscite.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index ecd7d16..00c1e2f 100644 (file)
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -89,6 +89,7 @@ static const struct i2c_device_id pca953x_id[] = {
        { "pca9575", 16 | PCA957X_TYPE | PCA_INT, },
        { "pca9698", 40 | PCA953X_TYPE, },
 
+       { "pcal6408", 8 | PCA953X_TYPE | PCA_LATCH_INT, },
        { "pcal6416", 16 | PCA953X_TYPE | PCA_LATCH_INT, },
        { "pcal6524", 24 | PCA953X_TYPE | PCA_LATCH_INT, },
        { "pcal9535", 16 | PCA953X_TYPE | PCA_LATCH_INT, },
@@ -1237,6 +1238,7 @@ static const struct of_device_id pca953x_dt_ids[] = {
        { .compatible = "nxp,pca9575", .data = OF_957X(16, PCA_INT), },
        { .compatible = "nxp,pca9698", .data = OF_953X(40, 0), },
 
+       { .compatible = "nxp,pcal6408", .data = OF_953X(8, PCA_LATCH_INT), },
        { .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), },