i2c: add Renesas R-Car I2C driver

R-Car I2C is similar with SH7760 I2C.
But the SH7760 I2C driver had many workaround operations, since H/W had bugs.
Thus, it was pointless to keep compatible between SH7760 and R-Car I2C drivers.
This patch creates new Renesas R-Car I2C driver.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index da77c37caf1e..c8c11b21778b 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -712,6 +712,16 @@ config I2C_XLR
           This driver can also be built as a module.  If so, the module
           will be called i2c-xlr.
 
+config I2C_RCAR
+        tristate "Renesas R-Car I2C Controller"
+        depends on ARCH_SHMOBILE && I2C
+        help
+          If you say yes to this option, support will be included for the
+          R-Car I2C controller.
+
+          This driver can also be built as a module.  If so, the module
+          will be called i2c-rcar.
+
 comment "External I2C/SMBus adapter drivers"
 
 config I2C_DIOLAN_U2C