From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7EC6DC3DA64 for ; Wed, 31 Jul 2024 12:54:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To: Content-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=EYdHATXrCi139GuZvGyg+VDp/LpUJveupN/t3gRxJqM=; b=I5ZdS7IlOnFA7lL73WdlCgdCI9 1xwp0KITjiG8Gl5EvQ2hjlMT0frgkvLOJxyabJBRwnybfT1vvqGYi0oU5lLkTJwnnGE2vP50F03st 326+QPBF94/ha0a/znstF7sFk8/A5anJITSapTh10uJMkWimx8BRgyaRw+ojDoV5/Koc5bfU8VDAb /AlPsc6lFsKe7JpCFLhB/ZQD6lnreyISBC4kLuipQjipe0GG5yAMLQk7ExfX1sGU29MkxK4PNVY8M vWKmGtRT9mfNERVXEkZ4qgP2URR1wOvDyA7Gv9QLHHCXUL+gqhviEcntq63rp7eVezN+6TyR3prdQ 2k4UBFIg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sZ8qj-00000001Bl8-1vrP; Wed, 31 Jul 2024 12:54:37 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sZ8qG-00000001Beu-3CnA for linux-arm-kernel@lists.infradead.org; Wed, 31 Jul 2024 12:54:10 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 20EE01007; Wed, 31 Jul 2024 05:54:33 -0700 (PDT) Received: from bogus (e103737-lin.cambridge.arm.com [10.1.197.49]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 3D51C3F766; Wed, 31 Jul 2024 05:54:04 -0700 (PDT) Date: Wed, 31 Jul 2024 13:54:01 +0100 From: Sudeep Holla To: "Peng Fan (OSS)" Cc: Cristian Marussi , Rob Herring , Sudeep Holla , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Peng Fan , Alexandre Belloni , Dmitry Torokhov , arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-rtc@vger.kernel.org, linux-input@vger.kernel.org Subject: Re: [PATCH v7 0/7] firmware: support i.MX95 SCMI BBM/MISC Extenstion Message-ID: References: <20240731-imx95-bbm-misc-v2-v7-0-a41394365602@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20240731-imx95-bbm-misc-v2-v7-0-a41394365602@nxp.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240731_055408_874881_63422B93 X-CRM114-Status: GOOD ( 18.40 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Jul 31, 2024 at 08:56:04PM +0800, Peng Fan (OSS) wrote: > i.MX95 System Manager Firmware source: https://github.com/nxp-imx/imx-sm > To generate html from the repo: make html > > i.MX95 System Manager Firmware support vendor extension protocol: > - Battery Backed Module(BBM) Protocol > This protocol is intended provide access to the battery-backed module. > This contains persistent storage (GPR), an RTC, and the ON/OFF button. > The protocol can also provide access to similar functions implemented via > external board components. The BBM protocol provides functions to: > > - Describe the protocol version. > - Discover implementation attributes. > - Read/write GPR > - Discover the RTCs available in the system. > - Read/write the RTC time in seconds and ticks > - Set an alarm (per LM) in seconds > - Get notifications on RTC update, alarm, or rollover. > - Get notification on ON/OFF button activity. > > - MISC Protocol for misc settings > This includes controls that are misc settings/actions that must be > exposed from the SM to agents. They are device specific and are usually > define to access bit fields in various mix block control modules, > IOMUX_GPR, and other GPR/CSR owned by the SM. > This protocol supports the following functions: > > - Describe the protocol version. > - Discover implementation attributes. > - Set/Get a control. > - Initiate an action on a control. > - Obtain platform (i.e. SM) build information. > - Obtain ROM passover data. > - Read boot/shutdown/reset information for the LM or the system. > > This patchset is to support the two protocols and users that use the > protocols. The upper protocol infomation is also included in patch 1 > > Signed-off-by: Peng Fan > > Changes in v7: > - Just correct R-b tag from Rob to drop quotes "", and rebased > - Link to v6: https://lore.kernel.org/r/20240718-imx95-bbm-misc-v2-v6-0-18f008e16e9d@nxp.com I specifically asked you to avoid re-spinning just for this reason within 20 mins from your response, yet you managed to churn it within that time 🙁. I must respond at flash speed to avoid such things in the future 😢. -- Regards, Sudeep