diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index d1f4d8c..158420c 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -449,6 +449,54 @@
 	  bus. Devices can be attached to the bus using the device tree
 	  which specifies the driver to use.  See sandbox.dts as an example.
 
+config SYS_I2C_SH
+	bool "Legacy SuperH I2C interface"
+	depends on ARCH_RMOBILE && SYS_I2C_LEGACY
+	help
+	  Enable the legacy SuperH I2C interface.
+
+if SYS_I2C_SH
+config SYS_I2C_SH_NUM_CONTROLLERS
+	int
+	default 5
+
+config SYS_I2C_SH_BASE0
+	hex
+	default 0xE6820000
+
+config SYS_I2C_SH_BASE1
+	hex
+	default 0xE6822000
+
+config SYS_I2C_SH_BASE2
+	hex
+	default 0xE6824000
+
+config SYS_I2C_SH_BASE3
+	hex
+	default 0xE6826000
+
+config SYS_I2C_SH_BASE4
+	hex
+	default 0xE6828000
+
+config SH_I2C_8BIT
+	bool
+	default y
+
+config SH_I2C_DATA_HIGH
+	int
+	default 4
+
+config SH_I2C_DATA_LOW
+	int
+	default 5
+
+config SH_I2C_CLOCK
+	int
+	default 104000000
+endif
+
 config SYS_I2C_SOFT
 	bool "Legacy software I2C interface"
 	help
diff --git a/drivers/i2c/sh_i2c.c b/drivers/i2c/sh_i2c.c
index 26a8700..6cecec4 100644
--- a/drivers/i2c/sh_i2c.c
+++ b/drivers/i2c/sh_i2c.c
@@ -294,20 +294,20 @@
  * Register RCAR i2c adapters
  */
 U_BOOT_I2C_ADAP_COMPLETE(sh_0, sh_i2c_init, sh_i2c_probe, sh_i2c_read,
-	sh_i2c_write, sh_i2c_set_bus_speed, CONFIG_SYS_I2C_SH_SPEED0, 0, 0)
+	sh_i2c_write, sh_i2c_set_bus_speed, CONFIG_SYS_I2C_SPEED, 0, 0)
 #ifdef CONFIG_SYS_I2C_SH_BASE1
 U_BOOT_I2C_ADAP_COMPLETE(sh_1, sh_i2c_init, sh_i2c_probe, sh_i2c_read,
-	sh_i2c_write, sh_i2c_set_bus_speed, CONFIG_SYS_I2C_SH_SPEED1, 0, 1)
+	sh_i2c_write, sh_i2c_set_bus_speed, CONFIG_SYS_I2C_SPEED, 0, 1)
 #endif
 #ifdef CONFIG_SYS_I2C_SH_BASE2
 U_BOOT_I2C_ADAP_COMPLETE(sh_2, sh_i2c_init, sh_i2c_probe, sh_i2c_read,
-	sh_i2c_write, sh_i2c_set_bus_speed, CONFIG_SYS_I2C_SH_SPEED2, 0, 2)
+	sh_i2c_write, sh_i2c_set_bus_speed, CONFIG_SYS_I2C_SPEED, 0, 2)
 #endif
 #ifdef CONFIG_SYS_I2C_SH_BASE3
 U_BOOT_I2C_ADAP_COMPLETE(sh_3, sh_i2c_init, sh_i2c_probe, sh_i2c_read,
-	sh_i2c_write, sh_i2c_set_bus_speed, CONFIG_SYS_I2C_SH_SPEED3, 0, 3)
+	sh_i2c_write, sh_i2c_set_bus_speed, CONFIG_SYS_I2C_SPEED, 0, 3)
 #endif
 #ifdef CONFIG_SYS_I2C_SH_BASE4
 U_BOOT_I2C_ADAP_COMPLETE(sh_4, sh_i2c_init, sh_i2c_probe, sh_i2c_read,
-	sh_i2c_write, sh_i2c_set_bus_speed, CONFIG_SYS_I2C_SH_SPEED4, 0, 4)
+	sh_i2c_write, sh_i2c_set_bus_speed, CONFIG_SYS_I2C_SPEED, 0, 4)
 #endif