gpio: pca953x: support pcal6524
Support pcal6524 IO expander driver
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/drivers/gpio/pca953x_gpio.c b/drivers/gpio/pca953x_gpio.c
index e98e1e5..4654f9e 100644
--- a/drivers/gpio/pca953x_gpio.c
+++ b/drivers/gpio/pca953x_gpio.c
@@ -43,6 +43,8 @@
#define PCA_GPIO_MASK 0x00FF
#define PCA_INT 0x0100
+#define PCA_PCAL BIT(9)
+#define PCA_LATCH_INT (PCA_PCAL | PCA_INT)
#define PCA953X_TYPE 0x1000
#define PCA957X_TYPE 0x2000
#define PCA_TYPE_MASK 0xF000
@@ -393,6 +395,8 @@
{ .compatible = "nxp,pca9575", .data = OF_957X(16, PCA_INT), },
{ .compatible = "nxp,pca9698", .data = OF_953X(40, 0), },
+ { .compatible = "nxp,pcal6524", .data = OF_953X(24, PCA_LATCH_INT), },
+
{ .compatible = "maxim,max7310", .data = OF_953X(8, 0), },
{ .compatible = "maxim,max7312", .data = OF_953X(16, PCA_INT), },
{ .compatible = "maxim,max7313", .data = OF_953X(16, PCA_INT), },