[PATCH 1/2] gpio: pca953xx: Add support for pca6408

From: Justin Chen
Date: Wed May 04 2022 - 14:06:25 EST


Add support for pca6408 which is the 8-bit version of the pca6416.

https://www.nxp.com/docs/en/data-sheet/PCA6408A.pdf

Signed-off-by: Justin Chen <justinpopo6@xxxxxxxxx>
---
drivers/gpio/gpio-pca953x.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index d2fe76f..2d0b080 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -71,6 +71,7 @@
#define PCA_CHIP_TYPE(x) ((x) & PCA_TYPE_MASK)

static const struct i2c_device_id pca953x_id[] = {
+ { "pca6408", 8 | PCA953x_TYPE | PCA_INT, },
{ "pca6416", 16 | PCA953X_TYPE | PCA_INT, },
{ "pca9505", 40 | PCA953X_TYPE | PCA_INT, },
{ "pca9506", 40 | PCA953X_TYPE | PCA_INT, },
@@ -1198,6 +1199,7 @@ static int pca953x_resume(struct device *dev)
#define OF_957X(__nrgpio, __int) (void *)(__nrgpio | PCA957X_TYPE | __int)

static const struct of_device_id pca953x_dt_ids[] = {
+ { .compatible = "nxp,pca6408", .data = OF_953X(8, PCA_INT), },
{ .compatible = "nxp,pca6416", .data = OF_953X(16, PCA_INT), },
{ .compatible = "nxp,pca9505", .data = OF_953X(40, PCA_INT), },
{ .compatible = "nxp,pca9506", .data = OF_953X(40, PCA_INT), },
--
2.7.4