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 X-Spam-Level: X-Spam-Status: No, score=-12.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5DF2DC63777 for ; Tue, 1 Dec 2020 01:51:39 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C7965207FF for ; Tue, 1 Dec 2020 01:51:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="12XZogpy"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="vR4jzRbN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C7965207FF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject: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=QXhlYj4wbU7A2u38jjoB0GbStqIlQWvcMPBCdNUa1Vc=; b=12XZogpybYatbPRxMYGXzG38R yYOqQc647p3186AtnzVMFW6EDMFWUbMRbvvqF7uNVH/aGsCnPvNZ9w5KpaJRer2+lQ+hL8bewekDo Sxx1rPn+wUSxBC8FrRyGCuK/wL1ZWa/gqwm0ztT4n+5R6EgYr8ojDzNPC3nKJxapfQnJcxCMDW6GT D/J8BZbB3F4JQc0dyCokUCcKsWSjYpY01r7cCWVj6WgQxbUDjx1/mQBf8IfKuWWHCUblo8oYKmjYS qDOXjfju2klT/REFh2sg/VRMCsmzGOwtj2Lu5nnCp84NZYvmO/MJGcUiThDfmBK+W/GMaM3gqPRjD edA4ysyag==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kjuo7-0005CG-QB; Tue, 01 Dec 2020 01:50:19 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kjuo4-0005Bo-Vi for linux-arm-kernel@lists.infradead.org; Tue, 01 Dec 2020 01:50:17 +0000 Received: from dragon (80.251.214.228.16clouds.com [80.251.214.228]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 25E052085B; Tue, 1 Dec 2020 01:50:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1606787415; bh=i24tqU+wEFKeqAjGV2x17GMPR+CnMcATDed1HcxklvU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=vR4jzRbNAiWABuYB8k2NOe73aM2EZTc18PBibYaocJNoabNuJEzjnnDguuLcN9N9j hb2iNU7DigfGNcvLQTpE6rhQfzpTGSKioesgPgeVELSbpA8TbOo//nA537Sz3WQ3Hm O25a8x5RZ8p2gOPHfmS6A+LO5UWBq2+uFMTusYGo= Date: Tue, 1 Dec 2020 09:50:08 +0800 From: Shawn Guo To: Adam Ford Subject: Re: [PATCH V2 1/2] arm64: dts: imx8mm-beacon-som: Configure RTC aliases Message-ID: <20201201015000.GV4072@dragon> References: <20201126104535.1075658-1-aford173@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201126104535.1075658-1-aford173@gmail.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201130_205017_101892_68D2434C X-CRM114-Status: GOOD ( 14.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Sascha Hauer , aford@beaconembedded.com, linux-kernel@vger.kernel.org, Rob Herring , NXP Linux Team , Pengutronix Kernel Team , Fabio Estevam , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Nov 26, 2020 at 04:45:34AM -0600, Adam Ford wrote: > On the i.MX8MM Beacon SOM, there is an RTC chip which is fed power > from the baseboard during power off. The SNVS RTC integrated into > the SoC is not fed power. Depending on the order the modules are > loaded, this can be a problem if the external RTC isn't rtc0. > > Make the alias for rtc0 point to the external RTC all the time and > rtc1 point to the SVNS in order to correctly hold date/time over > a power-cycle. > > Signed-off-by: Adam Ford Applied both, thanks. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel