From nobody Thu Dec 18 15:27:35 2025 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 C785CC0032E for ; Wed, 25 Oct 2023 08:46:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234052AbjJYIqi (ORCPT ); Wed, 25 Oct 2023 04:46:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56242 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234088AbjJYIq2 (ORCPT ); Wed, 25 Oct 2023 04:46:28 -0400 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [IPv6:2a0a:edc0:2:b01:1d::104]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7CF2D185 for ; Wed, 25 Oct 2023 01:46:26 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qvZWq-0002CF-9l; Wed, 25 Oct 2023 10:46:16 +0200 Received: from [2a0a:edc0:0:1101:1d::ac] (helo=dude04.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qvZWp-0048Wi-Dc; Wed, 25 Oct 2023 10:46:15 +0200 Received: from ore by dude04.red.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1qvZWp-00CyTG-19; Wed, 25 Oct 2023 10:46:15 +0200 From: Oleksij Rempel To: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Oleksij Rempel , kernel@pengutronix.de, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v3 6/7] regulator: dt-bindings: Add regulator-uv-survival-time-ms property Date: Wed, 25 Oct 2023 10:46:13 +0200 Message-Id: <20231025084614.3092295-7-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231025084614.3092295-1-o.rempel@pengutronix.de> References: <20231025084614.3092295-1-o.rempel@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Introduce a new Device Tree property 'regulator-uv-survival-time-ms' to specify the survival time post a critical under-voltage event. This property defines the time in milliseconds the system can operate before the on-board capacitors fail, providing a window for necessary actions or preparations to be taken before power loss, aligning with the under-voltage event handling mechanism. Signed-off-by: Oleksij Rempel Acked-by: Rob Herring --- Documentation/devicetree/bindings/regulator/regulator.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/regulator/regulator.yaml b/D= ocumentation/devicetree/bindings/regulator/regulator.yaml index 5b8d55f7c43b..85b8c51f8ede 100644 --- a/Documentation/devicetree/bindings/regulator/regulator.yaml +++ b/Documentation/devicetree/bindings/regulator/regulator.yaml @@ -186,6 +186,13 @@ properties: be enabled but limit setting can be omitted. Limit is given as micro= volt offset from voltage set to regulator. =20 + regulator-uv-survival-time-ms: + description: Specifies the time (in milliseconds) the system can conti= nue + to operate after a critical under-voltage event has been triggered, + before the on-board capacitors fail. This time essentially represent= s the + duration the system has to take any necessary actions or preparations + before power loss. + regulator-temp-protection-kelvin: description: Set over temperature protection limit. This is a limit wh= ere hardware performs emergency shutdown. Zero can be passed to disable --=20 2.39.2