+menu "DFU support"
+
+config DFU
+ bool
+ imply DFU_OVER_USB if USB_GADGET
+
+config DFU_OVER_USB
+ bool
+ select HASH
+ depends on USB_GADGET
+
+config DFU_OVER_TFTP
+ bool
+ depends on NET
+
+if DFU
+config DFU_TFTP
+ bool "DFU via TFTP"
+ select DFU_OVER_TFTP
+ help
+ This option allows performing update of DFU-managed medium with data
+ sent via TFTP boot.
+
+ Detailed description of this feature can be found at ./doc/README.dfutftp
+
+config DFU_MMC
+ bool "MMC back end for DFU"
+ help
+ This option enables using DFU to read and write to MMC based storage.
+
+config DFU_NAND
+ bool "NAND back end for DFU"
+ help
+ This option enables using DFU to read and write to NAND based
+ storage.
+
+config DFU_RAM
+ bool "RAM back end for DFU"
+ help
+ This option enables using DFU to read and write RAM on the target.
+
+config DFU_SF
+ bool "SPI flash back end for DFU"
+ help
+ This option enables using DFU to read and write to SPI flash based
+ storage.
+
+endif
+endmenu