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Concatenating three common words does >> not create unique device name. Compatibles are supposed to be specific >> and this is really relaxed. Anything can be over AXI, everything in >> 1wire is 1wire and every master device is a master. > Given the vendor (and the title of the binding) this is almost certainly > an FPGA IP core, so the generic name is understandable. Using the exact > name of the IP in the AMD/Xilinx catalog probably is the best choice? Indeed this is an Programmable Logic IP core - the official name of the core in our catalog is axi_1wire_master.  It is a soft HDL core. regards, Kris