On Thu, Jul 23, 2015 at 11:51:49AM +0100, Suneel Garapati wrote: > adds file for description on device node bindings for RTC > found on Xilinx Zynq Ultrascale+ MPSoC. > > Signed-off-by: Suneel Garapati <suneel.garap...@xilinx.com> > --- > Documentation/devicetree/bindings/rtc/xlnx-rtc.txt | 25 > ++++++++++++++++++++++ > 1 file changed, 25 insertions(+) > create mode 100644 Documentation/devicetree/bindings/rtc/xlnx-rtc.txt > > diff --git a/Documentation/devicetree/bindings/rtc/xlnx-rtc.txt > b/Documentation/devicetree/bindings/rtc/xlnx-rtc.txt > new file mode 100644 > index 0000000..2b05243 > --- /dev/null > +++ b/Documentation/devicetree/bindings/rtc/xlnx-rtc.txt > @@ -0,0 +1,25 @@ > +* Xilinx Zynq Ultrascale+ MPSoC Real Time Clock > + > +RTC controller for the Xilinx Zynq MPSoC Real Time Clock > +Separate IRQ lines for seconds and alarm > + > +Required properties: > +- compatible: Should be "xlnx,zynqmp-rtc" > +- reg: Physical base address of the controller and length > + of memory mapped region. > +- interrupts: IRQ lines for the RTC. > +- interrupt names: Names for interrupt lines
interrupt-names has a '-', and you need to state which names are expected. > + > +Optional: > +- calibration: calibration value for 1 sec period which will > + be programmed directly to calibration register When and why would I set this? Mark. > + > +Example: > +rtc: rtc@ffa60000 { > + compatible = "xlnx,zynqmp-rtc"; > + reg = <0x0 0xffa60000 0x100>; > + interrupt-parent = <&gic>; > + interrupts = <0 26 4>, <0 27 4>; > + interrupt-names = "alm", "sec"; > + calibration = <0x198233>; > +}; > -- > 2.1.2 > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-ker...@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/