Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755200AbaGNMQt (ORCPT ); Mon, 14 Jul 2014 08:16:49 -0400 Received: from mail-pd0-f170.google.com ([209.85.192.170]:52101 "EHLO mail-pd0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754441AbaGNMQj (ORCPT ); Mon, 14 Jul 2014 08:16:39 -0400 From: Harini Katakam To: wim@iguana.be, grant.likely@linaro.org, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, rob@landley.net Cc: michals@xilinx.com, linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, harinikatakamlinux@gmail.com, harini.katakam@xilinx.com, Harini Katakam Subject: [PATCH v3 2/2] devicetree: Add Cadence WDT devicetree bindings documentation Date: Mon, 14 Jul 2014 17:46:09 +0530 Message-Id: <1405340169-2820-2-git-send-email-harinik@xilinx.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1405340169-2820-1-git-send-email-harinik@xilinx.com> References: <1405340169-2820-1-git-send-email-harinik@xilinx.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add cadence-wdt bindings documentation. Signed-off-by: Harini Katakam --- v3 changes: - Change reset property type and improve description. - Improve description of clocks and interrupts. - Use watchdog@ in the example. - Use only cdns compatible string for now. v2: No changes --- .../devicetree/bindings/watchdog/cadence-wdt.txt | 27 ++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/cadence-wdt.txt diff --git a/Documentation/devicetree/bindings/watchdog/cadence-wdt.txt b/Documentation/devicetree/bindings/watchdog/cadence-wdt.txt new file mode 100644 index 0000000..ab23e38 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/cadence-wdt.txt @@ -0,0 +1,27 @@ +Zynq Watchdog Device Tree Bindings +------------------------------------------- + +Required properties: +- compatible : Should be "cdns,wdt-r1p2". +- clocks : Input clock specifier. This should be the ref clk. +- reg : Physical base address and size of WDT registers map. +- interrupts : Property with a value describing the interrupt + number. This interrupt is used for indication + when the watchdog times out. +- interrupt-parent : Must be core interrupt controller. + +Optional properties +- reset : If this property exists, then a reset is done + when watchdog times out. +- timeout-sec : Watchdog timeout value (in seconds). + +Example: + watchdog@f8005000 { + compatible = "xlnx,zynq-wdt-r1p2"; + clocks = <&clkc 45>; + interrupt-parent = <&intc>; + interrupts = <0 9 1>; + reg = <0xf8005000 0x1000>; + reset; + timeout-sec = <10>; + }; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/