Xilinx LogiCORE Partial Reconfig Decoupler Softcore The Xilinx LogiCORE Partial Reconfig Decoupler manages one or more decouplers / fpga bridges. The controller can decouple/disable the bridges which prevents signal changes from passing through the bridge. The controller can also couple / enable the bridges which allows traffic to pass through the bridge normally. Xilinx LogiCORE Dynamic Function eXchange(DFX) AXI shutdown manager Softcore is compatible with the Xilinx LogiCORE pr-decoupler. The Dynamic Function eXchange AXI shutdown manager prevents AXI traffic from passing through the bridge. The controller safely handles AXI4MM and AXI4-Lite interfaces on a Reconfigurable Partition when it is undergoing dynamic reconfiguration, preventing the system deadlock that can occur if AXI transactions are interrupted by DFX The Driver supports only MMIO handling. A PR region can have multiple PR Decouplers which can be handled independently or chained via decouple/ decouple_status signals. Required properties: - compatible : Should contain "xlnx,pr-decoupler-1.00" followed by "xlnx,pr-decoupler" or "xlnx,dfx-axi-shutdown-manager-1.00" followed by "xlnx,dfx-axi-shutdown-manager" - regs : base address and size for decoupler module - clocks : input clock to IP - clock-names : should contain "aclk" See Documentation/devicetree/bindings/fpga/fpga-region.txt and Documentation/devicetree/bindings/fpga/fpga-bridge.txt for generic bindings. Example: Partial Reconfig Decoupler: fpga-bridge@100000450 { compatible = "xlnx,pr-decoupler-1.00", "xlnx-pr-decoupler"; regs = <0x10000045 0x10>; clocks = <&clkc 15>; clock-names = "aclk"; bridge-enable = <0>; }; Dynamic Function eXchange AXI shutdown manager: fpga-bridge@100000450 { compatible = "xlnx,dfx-axi-shutdown-manager-1.00", "xlnx,dfx-axi-shutdown-manager"; regs = <0x10000045 0x10>; clocks = <&clkc 15>; clock-names = "aclk"; bridge-enable = <0>; };