am335x: Register the I2C controllers if DM_I2C is used.

If DM_I2C is used , the I2C controllers must be registered as U_BOOT_DEVICE
because OF_CONTROL is not used in the SPL.
Signed-off-by: NJean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: NTom Rini <trini@konsulko.com>
Reviewed-by: NHeiko Schocher <hs@denx.de>

arch/arm/mach-omap2/am33xx/board.c

@@ -19,6 +19,7 @@
 #include <asm/arch/ddr_defs.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/gpio.h>
+#include <asm/arch/i2c.h>
 #include <asm/arch/mem.h>
 #include <asm/arch/mmc_host_def.h>
 #include <asm/arch/sys_proto.h>
@@ -93,6 +94,20 @@ U_BOOT_DEVICES(am33xx_uarts) = {
 #  endif
 };
 
+#ifdef CONFIG_DM_I2C
+static const struct omap_i2c_platdata am33xx_i2c[] = {
+	{ I2C_BASE1, 100000, OMAP_I2C_REV_V2},
+	{ I2C_BASE2, 100000, OMAP_I2C_REV_V2},
+	{ I2C_BASE3, 100000, OMAP_I2C_REV_V2},
+};
+
+U_BOOT_DEVICES(am33xx_i2c) = {
+	{ "i2c_omap", &am33xx_i2c[0] },
+	{ "i2c_omap", &am33xx_i2c[1] },
+	{ "i2c_omap", &am33xx_i2c[2] },
+};
+#endif
+
 #ifdef CONFIG_DM_GPIO
 static const struct omap_gpio_platdata am33xx_gpio[] = {
 	{ 0, AM33XX_GPIO0_BASE },