From patchwork Wed Dec 16 18:32:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Ayyathurai, Vijayakannan" X-Patchwork-Id: 11978351 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F4D8C0018C for ; Wed, 16 Dec 2020 18:36:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F246D233FE for ; Wed, 16 Dec 2020 18:36:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731321AbgLPSgm (ORCPT ); Wed, 16 Dec 2020 13:36:42 -0500 Received: from mga03.intel.com ([134.134.136.65]:17036 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727974AbgLPSgm (ORCPT ); Wed, 16 Dec 2020 13:36:42 -0500 IronPort-SDR: g9FxWxn4Tc58+m7icyZf2y8aSfH07R6VpLINvwKj31F/BZf4ac0KSjJ/M5dpXaCCzvausWBkhn xpxKPWvrQJrg== X-IronPort-AV: E=McAfee;i="6000,8403,9837"; a="175219372" X-IronPort-AV: E=Sophos;i="5.78,425,1599548400"; d="scan'208";a="175219372" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Dec 2020 10:36:00 -0800 IronPort-SDR: fP4Kwp9ruu0kC8+ef7Jzj0tOcZ1d7/FMTDBNVmuZyfWGsYOhBGzdOKVCX7ppLjyYyareC1ey6Q 8cmCcTtb5xLA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.78,425,1599548400"; d="scan'208";a="488644728" Received: from ubuntu18.png.intel.com ([10.88.229.38]) by orsmga004.jf.intel.com with ESMTP; 16 Dec 2020 10:35:57 -0800 From: vijayakannan.ayyathurai@intel.com To: wim@linux-watchdog.org, linux@roeck-us.net, robh+dt@kernel.org Cc: linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, andriy.shevchenko@linux.intel.com, mgross@linux.intel.com, wan.ahmad.zainie.wan.mohamad@intel.com, lakshmi.bai.raja.subramanian@intel.com, chen.yong.seow@intel.com, vijayakannan.ayyathurai@intel.com Subject: [PATCH v4 0/2] Add drivers for Intel Keem Bay SoC watchdog Date: Thu, 17 Dec 2020 02:32:46 +0800 Message-Id: X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org From: Vijayakannan Ayyathurai Hi, This patch set adds the watchdog timer driver support for Intel Keem Bay Soc. Patch 2 holds the driver and Patch 1 holds the Device Tree binding documentation. This driver was tested on the Keem Bay evaluation module board. Thank you, Vijay Changes since v3: - Fix pretimeout clear, when user attempt in the below sequence. - set pretimeout - clear pretimeout - set timeout to some other value - Cleanup the ping variable usage in the driver. - Add keembay_wdt_set_timeout_reg function. - Cleanup the keembay_wdt_th_isr function. - Rebase the driver with 5.10-rc7 tag. Changes since v2: - Remove reduntant write to TIM_WATCHDOG as per Guenter. - Rebase the driver with 5.10-rc5 tag. Changes since v1: - Fix indentation error in the dt-bindings file. - Use true/false in the second arg of keembay_wdt_set_timeout_reg(). - Fix the watchdog start sequence. - Avoid reduntant timeout register setting. - Remove min usage to find actual time at keembay_wdt_set_timeout(). - Remove timeout configuration boundary check at keembay_wdt_set_pretimeout(). - Use devm_watchdog_register_device() for wdt registration, which eventually supports driver unload functionality as well. Vijayakannan Ayyathurai (2): dt-bindings: watchdog: Add bindings for Intel Keem Bay SoC watchdog: Add watchdog driver for Intel Keembay Soc .../bindings/watchdog/intel,keembay-wdt.yaml | 57 ++++ drivers/watchdog/Kconfig | 13 + drivers/watchdog/Makefile | 1 + drivers/watchdog/keembay_wdt.c | 286 ++++++++++++++++++ 4 files changed, 357 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/intel,keembay-wdt.yaml create mode 100644 drivers/watchdog/keembay_wdt.c base-commit: 0477e92881850d44910a7e94fc2c46f96faa131f prerequisite-patch-id: 822987dcf4c969ef6ac70359b088af06ba39042b prerequisite-patch-id: 0a348762b660d0d817b8e70cc71647e83173c78c prerequisite-patch-id: 54c661a006c7362053cb7602448d6c77419d5cf9 prerequisite-patch-id: d140d8534fb828778e0652fe5fcf6282e027f985