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Date:   Fri, 15 Jan 2021 07:04:30 +0530
From:   Nava kishore Manne <>
To:     <>, <>, <>,
        <>, <>,
CC:     <>, <>,
        Nava kishore Manne <>
Subject: [PATCH 1/2] dt-bindings: fpga: Add compatible value for Xilinx DFX AXI shutdown manger

This patch Adds compatible value for Xilinx Dynamic Function eXchnage(DFX)
AXI Shutdown manager IP.

Signed-off-by: Nava kishore Manne <>
 .../bindings/fpga/xilinx-pr-decoupler.txt     | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt b/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt
index 4284d293fa61..42fca058a5f4 100644
--- a/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt
+++ b/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt
@@ -7,13 +7,26 @@ 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
+The Xilinx LogiCORE Dynamic Function eXchange(DFX) AXI shutdown manager
+manages one or more shutdown managers / fpga bridges.
+The controller can shutdown/passthrough the bridges which 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 (DFX), preventing 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.
+PR Decouplers/AXI shutdown manager 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"
+                          "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"

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