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Thu, 16 Jan 2020 05:27:23 -0800 Received: from xsj-pvapsmtp01 (xsj-smtp.xilinx.com [149.199.38.66]) by xsj-smtp-dlp2.xlnx.xilinx.com (8.13.8/8.13.1) with ESMTP id 00GDRIQo016384; Thu, 16 Jan 2020 05:27:18 -0800 Received: from [10.140.6.6] (helo=xhdappanad40.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1is5B7-00018J-It; Thu, 16 Jan 2020 05:27:18 -0800 From: Srinivas Neeli To: linux@roeck-us.net, michal.simek@xilinx.com, shubhrajyoti.datta@xilinx.com, sgoud@xilinx.com Cc: wim@linux-watchdog.org, linux-watchdog@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, git@xilinx.com Subject: [PATCH 6/9] dt-bindings: watchdog: xilinx: Add binding for Versal watchdog Date: Thu, 16 Jan 2020 18:56:54 +0530 Message-Id: <1579181217-31127-7-git-send-email-srinivas.neeli@xilinx.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1579181217-31127-1-git-send-email-srinivas.neeli@xilinx.com> References: <1579181217-31127-1-git-send-email-srinivas.neeli@xilinx.com> X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23620.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:149.199.60.83;IPV:;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(4636009)(396003)(39860400002)(346002)(136003)(376002)(189003)(199004)(2906002)(70206006)(356004)(6636002)(6666004)(4326008)(70586007)(9786002)(36756003)(2616005)(8936002)(81166006)(5660300002)(81156014)(186003)(7696005)(316002)(44832011)(478600001)(8676002)(26005)(426003)(336012)(107886003);DIR:OUT;SFP:1101;SCL:1;SRVR:CY4PR02MB2198;H:xsj-pvapsmtpgw01;FPR:;SPF:Pass;LANG:en;PTR:unknown-60-83.xilinx.com;MX:1;A:1; MIME-Version: 1.0 Content-Type: text/plain X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: dc2c748b-ff66-4342-ea33-08d79a87d5a3 X-MS-TrafficTypeDiagnostic: CY4PR02MB2198: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:3826; X-Forefront-PRVS: 02843AA9E0 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: N1REqIkAVvb90qxPgZTt4TxUuC77SkeBY9nUrswVcFj5oRcmE5wHgkHiy5ONs+pfEJM1cFDi6ViRGIUxFsZA60JSNowpgq/pv860mdsdUDkaNDcH4LF3F/4aDev+iyjVIFK8BJlfO6/Wqbf9hGaP0LkCrzmWmx0tfPF9aNffHnQPf5p7QVBYit5MOZoSujw1xVm67gZNL8kYWdUapVUHc47KCcEzabQEtt9+Pg1VeAb3Z3A4BrvBkjBwlJcr79pYE8HeRCtG5xR/Vcb0KAOuaIORlCPYXcClqHpeySbJXrEi5xo9R/92It2S9qKyDijbfV5p+0IMivOmKSDfIQWf71KIREZhiJ1+QXcntTJT5zIql2WkcbpsBgR828+sB8NWC6cRNZv+Zri3JIDcRCRlbgq36nCJwur93QWDVIU/TXMzgwhURLN0yWP/iGgyVGkx X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Jan 2020 13:27:29.0445 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: dc2c748b-ff66-4342-ea33-08d79a87d5a3 X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.60.83];Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR02MB2198 Sender: linux-watchdog-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org From: Srinivas Goud Updated watchdog binding for Versal window watchdog. Added timeout-sec DT property. timeout-sec is optional property for Versal window watchdog. Signed-off-by: Srinivas Goud Signed-off-by: Michal Simek --- .../devicetree/bindings/watchdog/of-xilinx-wdt.txt | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/watchdog/of-xilinx-wdt.txt b/Documentation/devicetree/bindings/watchdog/of-xilinx-wdt.txt index c6ae9c9d5e3e..10d68003158d 100644 --- a/Documentation/devicetree/bindings/watchdog/of-xilinx-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/of-xilinx-wdt.txt @@ -1,21 +1,28 @@ -Xilinx AXI/PLB soft-core watchdog Device Tree Bindings ---------------------------------------------------------- +Xilinx AXI/PLB soft-core watchdog and window watchdog Device Tree Bindings +-------------------------------------------------------------------------- Required properties: - compatible : Should be "xlnx,xps-timebase-wdt-1.00.a" or - "xlnx,xps-timebase-wdt-1.01.a". + "xlnx,xps-timebase-wdt-1.01.a" or + "xlnx,versal-wwdt-1.0". - reg : Physical base address and size Optional properties: - clocks : Input clock specifier. Refer to common clock bindings. - clock-frequency : Frequency of clock in Hz + +Optional properties for AXI/PLB soft-core watchdog: - xlnx,wdt-enable-once : 0 - Watchdog can be restarted 1 - Watchdog can be enabled just once - xlnx,wdt-interval : Watchdog timeout interval in 2^ clock cycles, is integer from 8 to 31. +Optional properties for window watchdog: +- timeout-sec : Watchdog timeout value (in seconds). + Example: +Xilinx AXI/PLB soft-core watchdog: axi-timebase-wdt@40100000 { clock-frequency = <50000000>; compatible = "xlnx,xps-timebase-wdt-1.00.a"; @@ -24,3 +31,11 @@ axi-timebase-wdt@40100000 { xlnx,wdt-enable-once = <0x0>; xlnx,wdt-interval = <0x1b>; } ; + +Xilinx Versal window watchdog: +watchdog@fd4d0000 { + compatible = "xlnx,versal-wwdt-1.0"; + reg = <0x0 0xfd4d0000 0x0 0x10000>; + clocks = <&clk25>; + timeout-sec = <10>; +} ; -- 2.7.4