iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

gpio: pca953x: Add support for the PCAL9535

Browse Source 
The PCAL9535 is compatible to the PCA9535. Additionally, it comes with
interrupt support and input latching. Other features are not supported
by the GPIO subsystem.

Datasheet: https://www.nxp.com/docs/en/data-sheet/PCAL9535A.pdf
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This commit is contained in:
Jan Kiszka 2020-06-15 15:22:29 +02:00 committed by Bartosz Golaszewski
parent ee0f054fb5
commit 3ba3ff5c09
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpio/gpio-pca953x.c
View File

@ -89,6 +89,7 @@ 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, },
{ "pcal9555a", 16 | PCA953X_TYPE | PCA_LATCH_INT, },
{ "max7310", 8 | PCA953X_TYPE, },
@ -1145,6 +1146,7 @@ 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,pcal9555a", .data = OF_953X(16, PCA_LATCH_INT), },
{ .compatible = "maxim,max7310", .data = OF_953X( 8, 0), },