i2c: ST DDC I2C U300 bus driver v3

This adds support for the ST Microelectronics DDC I2C bus
driver. This bus is used in the U300 architecture recently
added to RMK:s ARM tree.

Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Reviewed-by: Ben Dooks <ben-linux@fluff.org>
Reviewed-by: Jean Delvare <khali@linus-fr.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 0d04d3ebfc2d..0e0a39040835 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -513,6 +513,18 @@ config I2C_SIMTEC
           This driver can also be built as a module. If so, the module
           will be called i2c-simtec.
 
+config I2C_STU300
+        tristate "ST Microelectronics DDC I2C interface"
+        default y if MACH_U300
+        help
+          If you say yes to this option, support will be included for the
+          I2C interface from ST Microelectronics simply called "DDC I2C"
+          supporting both I2C and DDC, used in e.g. the U300 series
+          mobile platforms.
+
+          This driver can also be built as a module. If so, the module
+          will be called i2c-stu300.
+
 config I2C_VERSATILE
         tristate "ARM Versatile/Realview I2C bus support"
         depends on ARCH_VERSATILE || ARCH_REALVIEW