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 (file)
--- 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 @@ static const struct udevice_id pca953x_ids[] = {
        { .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), },