From patchwork Fri Apr 23 02:53:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?546L5pOO?= X-Patchwork-Id: 12219449 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=-16.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 62C0FC433B4 for ; Fri, 23 Apr 2021 03:00:46 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0C76C61458 for ; Fri, 23 Apr 2021 03:00:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0C76C61458 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=vivo.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:MIME-Version:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:References:In-Reply-To:Message-Id:Date:Subject:Cc:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ld8u0OLuz14M8AJEFyhtzr7O72AVTZB5XrI/ikPhHAs=; b=Lt//cowpxHuQbxzR0+3cVgdimM dPnLvQgic1vex7lIkNMwc0tXf1wanIuPjKuBUKyT9Iv86X0jKvVU8uOP/QjdxADz2fnNYqDu3E+R2 Zg3d8jUOoS42Ql6RSdei3Wo408M1l3rxyNOD+N6rbcYMPd0603BSauDddms+e6h3ctuieLrNqV8iS /rf7mcGOZVM/0OHv/5jM8qo4B+QwJKZx9q93kkTUUW7TpWvNNDibtA7BECoTLBEyGlMMBcrIJx2s9 HuwNk9sdKKNTA5WrZcuMZz20TcSYOKERjJf9df2QDI2h4bP1/q+omtamcejDqGYgpULTNM7sCQ6Tx jil/y9wQ==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lZlxi-000PSi-Al; Fri, 23 Apr 2021 02:54:34 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lZlx1-000PNy-Pw; Fri, 23 Apr 2021 02:54:13 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=References:In-Reply-To:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description; bh=sF3TYttvqDC+eXilc/crk4dkuMmLh17J6dvFL/UUtGQ=; b=RR5qwA0boWrRB+8xJ+JxwgQkvm RHUWkM1zDfsrfG3UbDEIvZ9O+PPGIPy2pXo6sVddhtb/6GB2RTQ/mMcuJXY/yB0aD8MmaR23K4hOe I+sq0YCbonq9+azJQc7IaG1nG/si+aPrWTAwO6kNW7zFrsc6UxyY/PhfBjmR82g4nPssa974eNrVS aSlNx4kSp2jS9a42U3C+vFslH1VuqztnSSf7zT7+grYpU0M7hXgCi0itpqhcODyFJGCopeBou6N5n VMfBEyi4PJkvtXfzkFYKkvyMmJz3sWRT3LKR6GnwzxMCdR8DbTAqf/EbQT3MBRT5EUTLyUnAmd0jd OMo9G+PQ==; Received: from mail-m17640.qiye.163.com ([59.111.176.40]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lZlwy-00E6bM-8K; Fri, 23 Apr 2021 02:53:49 +0000 Received: from vivo-HP-ProDesk-680-G4-PCI-MT.vivo.xyz (unknown [58.250.176.229]) by mail-m17640.qiye.163.com (Hmail) with ESMTPA id DE7BE540418; Fri, 23 Apr 2021 10:53:43 +0800 (CST) From: Wang Qing To: Wim Van Sebroeck , Guenter Roeck , Rob Herring , Matthias Brugger , linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Wang Qing Subject: [PATCH V7 2/2] doc: mtk-wdt: support pre-timeout when the bark irq is available Date: Fri, 23 Apr 2021 10:53:23 +0800 Message-Id: <1619146403-12769-3-git-send-email-wangqing@vivo.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1619146403-12769-1-git-send-email-wangqing@vivo.com> References: <1619146403-12769-1-git-send-email-wangqing@vivo.com> X-HM-Spam-Status: e1kfGhgUHx5ZQUtXWQgYFAkeWUFZS1VLWVdZKFlBSE83V1ktWUFJV1kPCR oVCBIfWUFZGRhJQlYaGh9CTUtPT0sZGklVEwETFhoSFyQUDg9ZV1kWGg8SFR0UWUFZT0tIVUpKS0 hKTFVLWQY+ X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6MUk6Qzo6Mj8OLA0eFjELECMS PzhPFANVSlVKTUpCSk9NT0lPTUlDVTMWGhIXVQwaFRwKEhUcOw0SDRRVGBQWRVlXWRILWUFZTkNV SU5LVUpMTVVJSUJZV1kIAVlBSU1NTDcG X-HM-Tid: 0a78fca5bf90d995kuwsde7be540418 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210422_195348_477295_0D61088C X-CRM114-Status: UNSURE ( 7.70 ) X-CRM114-Notice: Please train this message. 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: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add description of pre-timeout in mtk-wdt. Signed-off-by: Wang Qing --- Documentation/devicetree/bindings/watchdog/mtk-wdt.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt index e36ba60..8e27777 --- a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt @@ -1,5 +1,8 @@ Mediatek SoCs Watchdog timer +The watchdog supports a pre-timeout interrupt that fires timeout-sec/2 +before the expiry. + Required properties: - compatible should contain: @@ -17,6 +20,7 @@ Required properties: - reg : Specifies base physical address and size of the registers. Optional properties: +- interrupts: Watchdog pre-timeout (bark) interrupt. - timeout-sec: contains the watchdog timeout in seconds. - #reset-cells: Should be 1. @@ -26,6 +30,7 @@ watchdog: watchdog@10007000 { compatible = "mediatek,mt8183-wdt", "mediatek,mt6589-wdt"; reg = <0 0x10007000 0 0x100>; + interrupts = ; timeout-sec = <10>; #reset-cells = <1>; };