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. Rob -- 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
