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Date: Wed, 19 Aug 2015 15:23:21 +0530 From: Suneel Garapati <suneel.garapati@...inx.com> To: <rtc-linux@...glegroups.com>, <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org> CC: Alexandre Belloni <alexandre.belloni@...e-electrons.com>, <michals@...inx.com>, <sorenb@...inx.com>, Alessandro Zummo <a.zummo@...ertech.it>, <punnaia@...inx.com>, <anuragku@...inx.com>, <anirudh@...inx.com>, Suneel Garapati <suneel.garapati@...inx.com> Subject: [PATCH v3 1/2] devicetree: bindings: rtc: add bindings for xilinx zynqmp rtc adds file for description on device node bindings for RTC found on Xilinx Zynq Ultrascale+ MPSoC. Signed-off-by: Suneel Garapati <suneel.garapati@...inx.com> --- Changes v3 - none Changes v2 - add examples for interrupt-names - change alm to alarm --- 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..0df6f01 --- /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: interrupt line names eg. "sec" "alarm" + +Optional: +- calibration: calibration value for 1 sec period which will + be programmed directly to calibration register + +Example: +rtc: rtc@...60000 { + compatible = "xlnx,zynqmp-rtc"; + reg = <0x0 0xffa60000 0x100>; + interrupt-parent = <&gic>; + interrupts = <0 26 4>, <0 27 4>; + interrupt-names = "alarm", "sec"; + calibration = <0x198233>; +}; -- 2.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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