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Diffstat (limited to 'Documentation/devicetree/bindings/fpga/altera-freeze-bridge.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/fpga/altera-freeze-bridge.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/fpga/altera-freeze-bridge.txt b/Documentation/devicetree/bindings/fpga/altera-freeze-bridge.txt new file mode 100644 index 000000000000..f8e288c71b2d --- /dev/null +++ b/Documentation/devicetree/bindings/fpga/altera-freeze-bridge.txt @@ -0,0 +1,23 @@ +Altera Freeze Bridge Controller Driver + +The Altera Freeze Bridge Controller manages one or more freeze bridges. +The controller can freeze/disable the bridges which prevents signal +changes from passing through the bridge. The controller can also +unfreeze/enable the bridges which allows traffic to pass through the +bridge normally. + +Required properties: +- compatible : Should contain "altr,freeze-bridge-controller" +- regs : base address and size for freeze bridge 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: + freeze-controller@100000450 { + compatible = "altr,freeze-bridge-controller"; + regs = <0x1000 0x10>; + bridge-enable = <0>; + }; |