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[66.90.144.107]) by smtp.gmail.com with ESMTPSA id f10-20020a056870210a00b001279f95d63bsm265391oae.7.2022.09.29.15.21.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Sep 2022 15:21:00 -0700 (PDT) Received: (nullmailer pid 2869569 invoked by uid 1000); Thu, 29 Sep 2022 22:20:59 -0000 Date: Thu, 29 Sep 2022 17:20:59 -0500 From: Rob Herring To: Srinivas Neeli Cc: wim@linux-watchdog.org, linux@roeck-us.net, shubhrajyoti.datta@amd.com, michal.simek@amd.com, krzysztof.kozlowski+dt@linaro.org, linux-kernel@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, git@amd.com Subject: Re: [PATCH 1/3] dt-bindings: watchdog: xlnx,versal-wwdt: Add binding documentation for xilinx window watchdog device Message-ID: <20220929222059.GA2864801-robh@kernel.org> References: <20220927110257.41963-1-srinivas.neeli@amd.com> <20220927110257.41963-2-srinivas.neeli@amd.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220927110257.41963-2-srinivas.neeli@amd.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220929_152108_018063_F704640E X-CRM114-Status: GOOD ( 20.09 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Sep 27, 2022 at 04:32:55PM +0530, Srinivas Neeli wrote: > Add documentation for the binding of window watchdog device. Subject space is precious, but you say 'watchdog' and 'binding documentation' (dt-bindings) twice. > > Signed-off-by: Srinivas Neeli > --- > .../bindings/watchdog/xlnx,versal-wwdt.yaml | 49 +++++++++++++++++++ > 1 file changed, 49 insertions(+) > create mode 100644 Documentation/devicetree/bindings/watchdog/xlnx,versal-wwdt.yaml > > diff --git a/Documentation/devicetree/bindings/watchdog/xlnx,versal-wwdt.yaml b/Documentation/devicetree/bindings/watchdog/xlnx,versal-wwdt.yaml > new file mode 100644 > index 000000000000..986455efa6f4 > --- /dev/null > +++ b/Documentation/devicetree/bindings/watchdog/xlnx,versal-wwdt.yaml > @@ -0,0 +1,49 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/watchdog/xlnx,versal-wwdt.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Xilinx Versal window watchdog timer controller > + > +maintainers: > + - Neeli Srinivas > + > +description: > + Versal watchdog driver uses window watchdog mode. Window watchdog > + timer(WWDT) contains closed(first) and open(second) window with > + 32 bit width. Write to the watchdog timer within predefined window > + periods of time. This means a period that is not too soon and a > + period that is not too late. The WWDT has to be restarted within > + the open window time. If software tries to restart WWDT outside of > + the open window time period, it generates a reset. > + > +properties: > + compatible: > + enum: > + - xlnx,versal-wwdt-1.0 1.0 versions feel made up. Is this a soft IP, because that is really the only place we use version numbers. More generally, version numbers need to correspond to something. > + > + reg: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + timeout-sec: true > + > +required: > + - compatible > + - reg > + - clocks > + > +additionalProperties: false > + > +examples: > + - | > + watchdog@fd4d0000 { > + compatible = "xlnx,versal-wwdt-1.0"; > + reg = <0xfd4d0000 0x10000>; > + clocks = <&clock25>; > + timeout-sec = <30>; > + }; > +... > -- > 2.17.1 > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel