On Thu, Apr 13, 2017 at 3:07 PM, Rob Herring <robh@xxxxxxxxxx> wrote: > On Sun, Apr 09, 2017 at 10:10:31AM -0700, Moritz Fischer wrote: >> This adds the binding documentation for the Xilinx LogiCORE PR >> Decoupler soft core. >> >> Signed-off-by: Moritz Fischer <mdf@xxxxxxxxxx> >> Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx> >> Acked-by: Alan Tull <atull@xxxxxxxxxx> >> Cc: Sören Brinkmann <soren.brinkmann@xxxxxxxxxx> >> Cc: linux-kernel@xxxxxxxxxxxxxxx >> Cc: devicetree@xxxxxxxxxxxxxxx >> --- >> >> Changes from v4: >> - Ssubject line >> - Replaced 'or' by 'followed by' as suggested by Rob >> >> Changes from v3: >> - Addressed Michal's comments >> - Addressed Alan's Comments >> - Added Alan's Acked-by >> >> Changes from v2: >> - Added refence to generic fpga-region bindings >> - Fixed up reg property in example >> - Added fallback to "xlnx,pr-decoupler" without version >> >> Changes from v1: >> - Added clock names & clock to example >> - Merged some of the description from Michal's version >> >> --- >> .../bindings/fpga/xilinx-pr-decoupler.txt | 36 ++++++++++++++++++++++ >> 1 file changed, 36 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..b2c58fb >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt >> @@ -0,0 +1,36 @@ >> +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. >> + >> +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" >> +- regs : base address and size for decoupler module >> +- clocks : input clock to IP >> +- clock-names : should contain "aclk" >> + >> +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. > > Did this get into a common location? If so, then just "see .../?.txt" is > enough of a description. IIRC we went with this as is, with the intent of moving it to a common location in a separate patch. This binding shows up in a a few bindings docs, so one patch could move it from all of them at the same time. That hasn't happened yet. Alan > > Rob > -- > To unsubscribe from this list: send the line "unsubscribe linux-fpga" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
