From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5B9AE56455 for ; Fri, 19 Jan 2024 17:54:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705686866; cv=none; b=VlVsqMoRqK+fx9sGxbELnYyTHaRpunhYAq0RPb4vDtWtgj7sk3gsGevWtFk5SnGkJzv5OUZUD8gghnMmoXreqgUB06vKloNBn/CUQzoLL35WNcCPyzAmmVf6BrHMPcWKl6Iph5RGq6o08ULSNdrsXKm91Nu8yoQZEf1FYfChYHQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705686866; c=relaxed/simple; bh=thj0rbqL/gPURJA3HN4micGmDvafwRuWhOPghAP9hWg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ZS63bvoILl719WeVlI0QyRjuocfSCkZSxmw/OG5fIspFgP+XUO3ezQnDOBJ6ZScD6X/peLTGizhj5X4Q0lVq+9vXHsYmXltajp0ocyilGnYipdKoBUYSehhKtMnnIGA7vUAgxvQ/ufWbI6Gf6y8kfxyIvk8V6XL7z/bBhLY5FgI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de 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 1rQt4B-0002Z5-2w; Fri, 19 Jan 2024 18:54:07 +0100 Received: from [2a0a:edc0:2:b01:1d::c0] (helo=ptx.whiteo.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 1rQt4A-000y8v-1V; Fri, 19 Jan 2024 18:54:06 +0100 Received: from ore by ptx.whiteo.stw.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1rQt49-000lgo-Uc; Fri, 19 Jan 2024 18:54:05 +0100 Date: Fri, 19 Jan 2024 18:54:05 +0100 From: Oleksij Rempel To: Rob Herring Cc: Sebastian Reichel , Krzysztof Kozlowski , Conor Dooley , Srinivas Kandagatla , kernel@pengutronix.de, linux-kernel@vger.kernel.org, Liam Girdwood , Mark Brown , "Rafael J. Wysocki" , Daniel Lezcano , Zhang Rui , Lukasz Luba , linux-pm@vger.kernel.org, devicetree@vger.kernel.org, =?utf-8?B?U8O4cmVu?= Andersen Subject: Re: [RFC PATCH v1 1/7] dt-bindings: power: reset: add generic PSCR binding trackers Message-ID: <20240119175405.GA163482@pengutronix.de> References: <20240119132521.3609945-1-o.rempel@pengutronix.de> <20240119132521.3609945-2-o.rempel@pengutronix.de> <20240119172838.GA460212-robh@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20240119172838.GA460212-robh@kernel.org> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-Accept-Language: de,en X-Accept-Content-Type: text/plain User-Agent: Mutt/1.10.1 (2018-07-13) 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 On Fri, Jan 19, 2024 at 11:28:38AM -0600, Rob Herring wrote: > On Fri, Jan 19, 2024 at 02:25:15PM +0100, Oleksij Rempel wrote: > > Add binding for Power State Change Reason (PSCR) subsystem > > Why? > > How is this different from the reboot reason binding? I was not able to find "reboot reason", you probably refer to "reboot mode". Reboot Mode: Purpose: Dictates how the system should reboot (e.g., normal, recovery, bootloader). Usage: Provides instructions for the next boot mode. Scenario: Utilized in planned reboots or software-triggered reset scenarios. PSCR (Power State Change Reasons): Purpose: Logs the reason behind a power state change (e.g., voltage drop, over-temperature). Usage: Used for rapid logging and post-event analysis, potentially informing automatic decision-making in subsequent boots. Scenario: Critical in abrupt power-down situations where immediate, detailed decision-making is not possible. Regards, Oleksij -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |