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=-5.5 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,T_DKIMWL_WL_HIGH, USER_AGENT_MUTT 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 88554C282DE for ; Wed, 5 Jun 2019 09:17:22 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 5EF352075B for ; Wed, 5 Jun 2019 09:17:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="I8sf3dgk"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="q+Tom2tp" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5EF352075B 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+infradead-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=bombadil.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=VRc/SK3srNjvE14xvE/wfIuLnQda7g4jDfNv87fj1wc=; b=I8sf3dgkhXuQZK Ke/IDGMIwb+fE+DNwBW7O09HcItLQf2SB9cPn5sYlVqCEvac5tq217ejUb0dtT2+/J+w+qNChCiM3 cNe5arhNUi5ZGm24iwBCebxrXQM3TlER9WO35bbMOdivuO+iTSX6P8LtbIYFHRIK6ViKyz/TsOwQq z+bSp4bLPUH/gKQmIZhiGO6jsfU1yOV2rgNrSe3TGAh4Of32TOTDdWnKQtxVrWeeDSZe7imV9C41B RYiwaHgttzfRnqJ7N2ITT9NvXuq5zZRm4YgTdx88YQimUclcT218Iv/ZtXcfCUaKGEHlz6PlWkFMY u6AtsHq3nnNuLiv+yUEw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hYS2r-0005Pj-1p; Wed, 05 Jun 2019 09:17:21 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hYS2n-0005P7-TQ for linux-arm-kernel@lists.infradead.org; Wed, 05 Jun 2019 09:17:19 +0000 Received: from dragon (li1264-180.members.linode.com [45.79.165.180]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 778E32075B; Wed, 5 Jun 2019 09:17:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559726237; bh=cYxElpW0Vlv3r+RPbOHmetHZB85NQhgPvZ9XJjQHp8g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=q+Tom2tpYqySAyxKs/a5k8md0Kdcvyol+5i29ZMARg92tJkM3PfeCqA+tsVG0skgo co5GY8aqSapFhci0wSKc4JAY/mHnqiHy2bgmxvyK1DNQDMtbe72W3QLD8x/r21/OI7 RZSVzUzgWfJMcNEkxHfoQB+TjMZNSZyB9zAHu05c= Date: Wed, 5 Jun 2019 17:17:01 +0800 From: Shawn Guo To: Anson.Huang@nxp.com Subject: Re: [PATCH] ARM: dts: imx7d-sdb: Make SW2's voltage fixed Message-ID: <20190605091659.GM29853@dragon> References: <20190529065056.27516-1-Anson.Huang@nxp.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190529065056.27516-1-Anson.Huang@nxp.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190605_021717_967215_74DB1E58 X-CRM114-Status: GOOD ( 10.91 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, s.hauer@pengutronix.de, linux-kernel@vger.kernel.org, robh+dt@kernel.org, Linux-imx@nxp.com, kernel@pengutronix.de, festevam@gmail.com, 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+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, May 29, 2019 at 02:50:56PM +0800, Anson.Huang@nxp.com wrote: > From: Anson Huang > > On i.MX7D SDB board, SW2 supplies a lot of peripheral devices, > its voltage should be fixed at 1.8V. The commit 43967d9b5a7c > ("ARM: dts: imx7d-sdb: Assign corresponding power supply for LDOs") > assigns SW2 as the supplier of vdd1p0d, and when its comsumers > pcie-phy/mipi-phy try to set the vdd1p0d to 1.0V, regulator core > will also set SW2 to its best(min) voltage to 1.5V, and it will > lead to board reset. > > This patch makes SW2's voltage fixed at 1.8V to avoid this issue. > > Fixes: 43967d9b5a7c ("ARM: dts: imx7d-sdb: Assign corresponding power supply for LDOs") > Reported-by: Leonard Crestez > Signed-off-by: Anson Huang Applied, thanks. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel