i2c: Add DaVinci I2C controller support

Signed-off-by: Vladimir Barinov <vbarinov@ru.mvista.com>
Acked-by: Trilok Soni <soni.trilok@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

drivers/i2c/busses/Kconfig

@@ -106,6 +106,19 @@ config I2C_BLACKFIN_TWI_CLK_KHZ
 	help
 	  The unit of the TWI clock is kHz.
 
+config I2C_DAVINCI
+	tristate "DaVinci I2C driver"
+	depends on ARCH_DAVINCI
+	help
+	  Support for TI DaVinci I2C controller driver.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called i2c-davinci.
+
+	  Please note that this driver might be needed to bring up other
+	  devices such as DaVinci NIC.
+	  For details please see http://www.ti.com/davinci
+
 config I2C_ELEKTOR
 	tristate "Elektor ISA card"
 	depends on ISA && BROKEN_ON_SMP

drivers/i2c/busses/Makefile

@@ -11,6 +11,7 @@ obj-$(CONFIG_I2C_AMD8111)	+= i2c-amd8111.o
 obj-$(CONFIG_I2C_AT91)		+= i2c-at91.o
 obj-$(CONFIG_I2C_AU1550)	+= i2c-au1550.o
 obj-$(CONFIG_I2C_BLACKFIN_TWI)	+= i2c-bfin-twi.o
+obj-$(CONFIG_I2C_DAVINCI)	+= i2c-davinci.o
 obj-$(CONFIG_I2C_ELEKTOR)	+= i2c-elektor.o
 obj-$(CONFIG_I2C_GPIO)		+= i2c-gpio.o
 obj-$(CONFIG_I2C_HYDRA)		+= i2c-hydra.o

include/asm-arm/arch-davinci/i2c.h

+/*
+ * DaVinci I2C controller platfrom_device info
+ *
+ * Author: Vladimir Barinov, MontaVista Software, Inc. <source@mvista.com>
+ *
+ * 2007 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+*/
+
+#ifndef __ASM_ARCH_I2C_H
+#define __ASM_ARCH_I2C_H
+
+/* All frequencies are expressed in kHz */
+struct davinci_i2c_platform_data {
+	unsigned int	bus_freq;	/* standard bus frequency */
+	unsigned int	bus_delay;	/* transaction delay */
+};
+
+#endif /* __ASM_ARCH_I2C_H */