From patchwork Tue Oct 25 07:25:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrej Picej X-Patchwork-Id: 13018618 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 055F7C04A95 for ; Tue, 25 Oct 2022 07:26:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231752AbiJYH0J (ORCPT ); Tue, 25 Oct 2022 03:26:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55942 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231721AbiJYH0D (ORCPT ); Tue, 25 Oct 2022 03:26:03 -0400 Received: from cpanel.siel.si (cpanel.siel.si [46.19.9.99]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0E6FF10C4DB; Tue, 25 Oct 2022 00:25:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=norik.com; s=default; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=6QmrFK3QJ7B+XukDjmy/M6xq8ZMxcX0Yo9aBG07y5lo=; b=I+kU7cGMOo2GP5osCC4i8kBC2d VG3sIbbPMhyhVjWCil5bh/UPx1503jhkY8/ppRwOhDQvLn+81RPYHBaeFzoVOtLCoCHmSk4+qoCtS 5xznAVn6eN89QJQKY/ZrNgKPmggYtwYtA8mTR+zKQHL8KMQppZOzkFak8p3DwFhQVrte16vMlmh6Y AKqaOptpoPpOJkpoRpVlxWYYtP7vDjDhbjXQpsOYT03X8hK3zcSLhpO91YDKuZlE1FRCHbMgQqnlU grI3wf0yHFX3qbsY74rQVNr2D/SR9xxvfx14aob8oFdew7ci/2IRf25hUtJkczEBlNKIsHDLx6LGd PtVht19w==; Received: from 89-212-21-243.static.t-2.net ([89.212.21.243]:33544 helo=localhost.localdomain) by cpanel.siel.si with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.95) (envelope-from ) id 1onEJZ-006HEZ-KA; Tue, 25 Oct 2022 09:25:40 +0200 From: Andrej Picej To: linux-watchdog@vger.kernel.org Cc: wim@linux-watchdog.org, linux@roeck-us.net, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, Anson.Huang@nxp.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/3] dt-bindings: watchdog: fsl-imx: document suspend in wait mode Date: Tue, 25 Oct 2022 09:25:32 +0200 Message-Id: <20221025072533.2980154-3-andrej.picej@norik.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221025072533.2980154-1-andrej.picej@norik.com> References: <20221025072533.2980154-1-andrej.picej@norik.com> MIME-Version: 1.0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - cpanel.siel.si X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - norik.com X-Get-Message-Sender-Via: cpanel.siel.si: authenticated_id: andrej.picej@norik.com X-Authenticated-Sender: cpanel.siel.si: andrej.picej@norik.com X-Source: X-Source-Args: X-Source-Dir: Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Property "fsl,suspend-in-wait" suspends watchdog in "WAIT" mode which corresponds to Linux's Suspend-to-Idle S0 mode. If this property is not set and the device is put into Suspend-to-Idle mode, the watchdog triggers a reset after 128 seconds. Signed-off-by: Andrej Picej Reviewed-by: Fabio Estevam --- Changes in v2: - add a commit message, - add a list of devices which support this functionality --- .../bindings/watchdog/fsl-imx-wdt.yaml | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml index fb7695515be1..9289de97859b 100644 --- a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml +++ b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.yaml @@ -55,6 +55,28 @@ properties: If present, the watchdog device is configured to assert its external reset (WDOG_B) instead of issuing a software reset. + fsl,suspend-in-wait: + $ref: /schemas/types.yaml#/definitions/flag + description: | + If present, the watchdog device is suspended in WAIT mode + (Suspend-to-Idle). Only supported on following devices: + - "fsl,imx25-wdt", + - "fsl,imx35-wdt", + - "fsl,imx50-wdt", + - "fsl,imx51-wdt", + - "fsl,imx53-wdt", + - "fsl,imx6q-wdt", + - "fsl,imx6sl-wdt", + - "fsl,imx6sll-wdt", + - "fsl,imx6sx-wdt", + - "fsl,imx6ul-wdt", + - "fsl,imx7d-wdt", + - "fsl,imx8mm-wdt", + - "fsl,imx8mn-wdt", + - "fsl,imx8mp-wdt", + - "fsl,imx8mq-wdt", + - "fsl,vf610-wdt". + required: - compatible - interrupts