From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 217211B3F37; Wed, 31 Jul 2024 12:54:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722430449; cv=none; b=tp8WOacCBWrTp2WQnwOrj5aLRBDFkzxqQ5LhIB3MkRC9qfqbazj5rItUUF3h8gfz0nhknX55HnC34t4eAdKCBR3yA/Fab0M6bZqDgOzvmeWsvMzgG2EaFwGxzhgD78qunYzvA3ZFPKcO5KjiIyPWpXtNonT74zx3/3YfkdfQofE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722430449; c=relaxed/simple; bh=am7KJVl9wrDRT1DPp9yRFXK4Hr35jYnU3OMg5geB5jY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=smKpK6rT0q2JymDVl+QyFzPqVLtlLu7P2mgh57T283uBTk25XKjONgSfMAjjCRVAzm3dH9+2Pk+xYiWGKQupf+Fgz7ARaH7qRx9YthKqnyAeMwLoKl2QgybItML92CUi6fhkNhnyl2rHt8uPLfddhQ2OnXWRJcoQz3TdEjAVqes= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com 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> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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> 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