gpio: pca953x.c: add interrupt handling capability

[safe/jmp/linux-2.6] / drivers / gpio / Kconfig

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index f3549b8..c5cc7d9 100644 (file)
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -134,6 +134,13 @@ config GPIO_PCA953X
          This driver can also be built as a module.  If so, the module
          will be called pca953x.
 
+config GPIO_PCA953X_IRQ
+       bool "Interrupt controller support for PCA953x"
+       depends on GPIO_PCA953X=y
+       help
+         Say yes here to enable the pca953x to be used as an interrupt
+         controller. It requires the driver to be built in the kernel.
+
 config GPIO_PCF857X
        tristate "PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders"
        depends on I2C