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[106.187.50.65]) by mx.google.com with ESMTPSA id je4sm8739085pbb.17.2015.06.10.06.42.42 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 10 Jun 2015 06:42:52 -0700 (PDT) From: fu.wei@linaro.org To: Suravee.Suthikulpanit@amd.com, linaro-acpi@lists.linaro.org, linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org Cc: tekkamanninja@gmail.com, graeme.gregory@linaro.org, al.stone@linaro.org, hanjun.guo@linaro.org, timur@codeaurora.org, ashwin.chaugule@linaro.org, arnd@arndb.de, linux@roeck-us.net, vgandhi@codeaurora.org, wim@iguana.be, jcm@redhat.com, leo.duran@amd.com, corbet@lwn.net, mark.rutland@arm.com, catalin.marinas@arm.com, will.deacon@arm.com, rjw@rjwysocki.net, Fu Wei Subject: [PATCH v5 1/8] Documentation: add sbsa-gwdt.txt documentation Date: Wed, 10 Jun 2015 21:41:46 +0800 Message-Id: <1433943713-32466-2-git-send-email-fu.wei@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1433943713-32466-1-git-send-email-fu.wei@linaro.org> References: <=fu.wei@linaro.org> <1433943713-32466-1-git-send-email-fu.wei@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: list List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: fu.wei@linaro.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.215.43 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , From: Fu Wei The sbsa-gwdt.txt documentation in devicetree/bindings/watchdog is for introducing SBSA(Server Base System Architecture) Generic Watchdog device node info into FDT. Acked-by: Arnd Bergmann Signed-off-by: Fu Wei --- .../devicetree/bindings/watchdog/sbsa-gwdt.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/sbsa-gwdt.txt diff --git a/Documentation/devicetree/bindings/watchdog/sbsa-gwdt.txt b/Documentation/devicetree/bindings/watchdog/sbsa-gwdt.txt new file mode 100644 index 0000000..010e5c4 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/sbsa-gwdt.txt @@ -0,0 +1,36 @@ +* SBSA(Server Base System Architecture) Generic Watchdog + +The SBSA Generic Watchdog Timer is used for resetting the system after +two stages of timeout. +More details: ARM-DEN-0029 - Server Base System Architecture (SBSA) + +Required properties: +- compatible : Should at least contain "arm,sbsa-gwdt". + +- reg : base physical address of the frames and length of memory mapped region. + +- reg-names : Should contain the resource reg names to show the order of + the values in "reg". + Must include the following entries : "refresh", "control". + +- interrupts : Should at least contain WS0 interrupt, + the WS1 Signal is optional. + +- interrupt-names : Should contain the resource interrupt names. + Must include the following entries : "ws0". "ws1" is optional. + +Optional properties +- timeout-sec : Watchdog pre-timeout and timeout values (in seconds). + The first is timeout values, then pre-timeout. + +Example for FVP Foundation Model v8: + +watchdog@2a440000 { + compatible = "arm,sbsa-gwdt"; + reg = <0x0 0x2a440000 0 0x10000>, + <0x0 0x2a450000 0 0x10000>; + reg-names = "control", "refresh"; + interrupts = <0 27 4>; + interrupt-names = "ws0"; + timeout-sec = <10 5>; +};