Index: linux-2.6.20.1/drivers/i2c/chips/Kconfig
===================================================================
--- linux-2.6.20.1.orig/drivers/i2c/chips/Kconfig	2007-02-20 07:34:32.000000000 +0100
+++ linux-2.6.20.1/drivers/i2c/chips/Kconfig	2007-02-26 02:27:27.000000000 +0100
@@ -125,4 +125,12 @@
 	  This driver can also be built as a module.  If so, the module
 	  will be called max6875.
 
+config SENSORS_S35390A
+	tristate "S-35390A RTC chip"
+	depends on I2C && PPC32 && SANDPOINT
+	help
+	  If you say yes here you get support for the S-35390A RTC chip/
+	  
+	  This driver can also be built as a module.  If so, the module
+	  will be called i2c-s3531a
 endmenu