[PATCH] I2C: add new pca9539 driver

This is an i2c driver for the Philips PCA9539 (16 bit I/O port).
It uses the new i2c-sysfs interfaces.
The patch includes documentation.
It depends on the patch that renames "i2c-sysfs.h" to "hwmon-sysfs.h"

Signed-off-by: Ben Gardner <bgardner@wabtec.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig
index 88437d046518..33de80afd6c6 100644
--- a/drivers/i2c/chips/Kconfig
+++ b/drivers/i2c/chips/Kconfig
@@ -440,6 +440,16 @@ config SENSORS_PCF8574
           This driver can also be built as a module.  If so, the module
           will be called pcf8574.
 
+config SENSORS_PCA9539
+        tristate "Philips PCA9539 16-bit I/O port"
+        depends on I2C && EXPERIMENTAL
+        help
+          If you say yes here you get support for the Philips PCA9539
+          16-bit I/O port.
+
+          This driver can also be built as a module.  If so, the module
+          will be called pca9539.
+
 config SENSORS_PCF8591
         tristate "Philips PCF8591"
         depends on I2C && EXPERIMENTAL