Message ID | 1439564943-21590-1-git-send-email-suneel.garapati@xilinx.com |
---|---|
State | Superseded |
Headers | show
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[157.56.111.54]) by gmr-mx.google.com with ESMTPS id k128si634540ywe.0.2015.08.14.08.09.21 for <rtc-linux@googlegroups.com> (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 14 Aug 2015 08:09:21 -0700 (PDT) Received-SPF: pass (google.com: domain of suneel.garapati@xilinx.com designates 157.56.111.54 as permitted sender) client-ip=157.56.111.54; Received: from BN1BFFO11FD004.protection.gbl (10.58.144.31) by BN1BFFO11HUB056.protection.gbl (10.58.144.203) with Microsoft SMTP Server (TLS) id 15.1.243.9; Fri, 14 Aug 2015 15:09:20 +0000 Received-SPF: Pass (protection.outlook.com: domain of xilinx.com designates 149.199.60.83 as permitted sender) receiver=protection.outlook.com; client-ip=149.199.60.83; helo=xsj-pvapsmtpgw01; Received: from xsj-pvapsmtpgw01 (149.199.60.83) by BN1BFFO11FD004.mail.protection.outlook.com (10.58.144.67) with Microsoft SMTP Server (TLS) id 15.1.243.9 via Frontend Transport; Fri, 14 Aug 2015 15:09:19 +0000 Received: from unknown-38-66.xilinx.com ([149.199.38.66] helo=xsj-pvapsmtp01) by xsj-pvapsmtpgw01 with esmtp (Exim 4.63) (envelope-from <suneel.garapati@xilinx.com>) id 1ZQGbe-0003m1-Lf; 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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@ffa60000 { + compatible = "xlnx,zynqmp-rtc"; + reg = <0x0 0xffa60000 0x100>; + interrupt-parent = <&gic>; + interrupts = <0 26 4>, <0 27 4>; + interrupt-names = "alarm", "sec"; + calibration = <0x198233>; +};
adds file for description on device node bindings for RTC found on Xilinx Zynq Ultrascale+ MPSoC. Signed-off-by: Suneel Garapati <suneel.garapati@xilinx.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