| Message ID | 20200928073317.7240-1-mike.looijmans@topic.nl |
|---|---|
| State | New |
| Headers | show |
| Series | gpio: pca953x: Add support for the NXP PCAL9554B/C | expand |
On Mon, Sep 28, 2020 at 9:40 AM Mike Looijmans <mike.looijmans@topic.nl> wrote: > > 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> Please, split this into separate patches for device-tree bindings and the driver source. Bartosz
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), },
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(+)