Hi Moritz, On Wed, Feb 21, 2018 at 11:14 PM, Moritz Fischer <mdf@xxxxxxxxxx> wrote: > On Wed, Feb 21, 2018 at 10:23:45AM +0530, shubhrajyoti.datta@xxxxxxxxx wrote: >> From: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx> >> >> Add reset bridge support. Once this bridge is enabled. >> The reset line(s) will be toggled. Generally it will be >> called after the bitstream load to reset the PL. >> >> Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx> >> --- >> .../devicetree/bindings/fpga/xlnx,rst-bridge.txt | 22 ++++++++++++++++++++++ >> 1 file changed, 22 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/fpga/xlnx,rst-bridge.txt >> >> diff --git a/Documentation/devicetree/bindings/fpga/xlnx,rst-bridge.txt b/Documentation/devicetree/bindings/fpga/xlnx,rst-bridge.txt >> new file mode 100644 >> index 0000000..6f1bfc2 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/fpga/xlnx,rst-bridge.txt >> @@ -0,0 +1,22 @@ >> +Xilinx fpga reset bridge >> + >> +The Xilinx reset bridge toggles the reset line to the PL >> +in Zynqmp Ultrascale plus. > > Out of curiosity do you have a reference in the TRM where this is > explained? https://www.xilinx.com/support/documentation/ip_documentation/zynq_ultra_ps_e/v2_0/pg201-zynq-ultrascale-plus-processing-system.pdf section :Fabric Reset Enable >> + >> + >> +Required properties: >> +- compatible : Should contain "xlnx,rst-bridge" >> +- reset : reset phandles >> + >> +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. >> + >> +See Documentation/devicetree/bindings/fpga/fpga-region.txt for generic bindings. > > Since this would be the 5th? time of replicating this I sent out a patch > [1] to consolidate this paragraph into a single file. > > Feel free to add this to your series and replace the above with > > See Documentation/devicetree/bindings/fpga/fpga-bridge.txt for generic bindings. Will do > > Thanks > > Moritz > > [1] https://lkml.org/lkml/2018/2/21/1099 -- 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
