diff --git a/include/configs/trats.h b/include/configs/trats.h
index d2dfc9ff22e3992a469a77e36240386696de9e35..7664a79730926c7f2dbb1d23134f6aebc31752e0 100644
--- a/include/configs/trats.h
+++ b/include/configs/trats.h
@@ -95,6 +95,21 @@
 #undef CONFIG_CMD_ONENAND
 #undef CONFIG_CMD_MTDPARTS
 #define CONFIG_CMD_MMC
+#define CONFIG_CMD_DFU
+
+/* FAT */
+#define CONFIG_CMD_FAT
+#define CONFIG_FAT_WRITE
+
+/* USB Composite download gadget - g_dnl */
+#define CONFIG_USBDOWNLOAD_GADGET
+#define CONFIG_DFU_FUNCTION
+#define CONFIG_DFU_MMC
+
+/* USB Samsung's IDs */
+#define CONFIG_G_DNL_VENDOR_NUM 0x04E8
+#define CONFIG_G_DNL_PRODUCT_NUM 0x6601
+#define CONFIG_G_DNL_MANUFACTURER "Samsung"
 
 #define CONFIG_BOOTDELAY		1
 #define CONFIG_ZERO_BOOTDELAY_CHECK
@@ -105,6 +120,11 @@
 #define CONFIG_BOOTBLOCK		"10"
 #define CONFIG_ENV_COMMON_BOOT		"${console} ${meminfo}"
 
+#define CONFIG_DFU_ALT \
+	"dfu_alt_info=" \
+	"u-boot mmc 80 400;" \
+	"uImage fat 0 2\0" \
+
 #define CONFIG_ENV_OVERWRITE
 #define CONFIG_SYS_CONSOLE_INFO_QUIET
 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
@@ -147,7 +167,8 @@
 	"mmcdev=0\0" \
 	"mmcbootpart=2\0" \
 	"mmcrootpart=3\0" \
-	"opts=always_resume=1"
+	"opts=always_resume=1\0" \
+	CONFIG_DFU_ALT
 
 /* Miscellaneous configurable options */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
@@ -210,6 +231,7 @@
 #define CONFIG_USB_GADGET
 #define CONFIG_USB_GADGET_S3C_UDC_OTG
 #define CONFIG_USB_GADGET_DUALSPEED
+#define CONFIG_USB_GADGET_VBUS_DRAW	2
 
 /* LCD */
 #define CONFIG_EXYNOS_FB