From mboxrd@z Thu Jan 1 00:00:00 1970 From: mdf@kernel.org (Moritz Fischer) Date: Fri, 10 Mar 2017 13:30:34 -0800 Subject: [PATCH 1/2] doc: Add bindings document for Xilinx LogiCore PR Decoupler Message-ID: <1489181435-3151-1-git-send-email-mdf@kernel.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This adds the binding documentation for the Xilinx LogiCORE PR Decoupler soft core. Signed-off-by: Moritz Fischer Cc: Michal Simek Cc: S?ren Brinkmann Cc: linux-kernel at vger.kernel.org Cc: devicetree at vger.kernel.org --- .../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 at 100000450 { + compatible = "xlnx,pr-decoupler-1.00"; + regs = <0x1000 0x10>; + bridge-enable = <0>; + }; -- 2.7.4