This adds the binding documentation for the Xilinx LogiCORE PR
Decoupler soft core.
Signed-off-by: Moritz Fischer <mdf@xxxxxxxxxx>
Cc: Michal Simek <michal.simek@xxxxxxxxxx>
Cc: Sören Brinkmann <soren.brinkmann@xxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: devicetree@xxxxxxxxxxxxxxx
---
.../bindings/fpga/xilinx-pr-decoupler.txt | 24 ++++++++++++++++++++++
1 file changed, 24 insertions(+)
create mode 100644 Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt
diff --git a/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt b/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt
new file mode 100644
index 0000000..b82b928
--- /dev/null
+++ b/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt
@@ -0,0 +1,24 @@
+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.
+
+Required properties:
+- compatible : Should contain "xlnx,pr-decoupler-1.00"
+- regs : base address and size for decoupler module
+
+Optional properties:
+- bridge-enable : 0 if driver should disable bridge at startup
+ 1 if driver should enable bridge at startup
+ Default is to leave bridge in current state.
+
+Example:
+ fpga-bridge@100000450 {
+ compatible = "xlnx,pr-decoupler-1.00";
+ regs = <0x1000 0x10>;
+ bridge-enable = <0>;
+ };
--
2.7.4
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