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=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 01001C433E0 for ; Thu, 18 Jun 2020 07:34:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C359321548 for ; Thu, 18 Jun 2020 07:34:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592465672; bh=bEC66nH8uZxGBs2rC/8tpmwdwNE+LS0BOwxCUu2uoG8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=BBQICxF6VQrFw24EPvwgdd+zp89zR097ihfpGU0NrqpErYVeeW07Sewd4rzHezxH1 MfYer5dRSOo4lbcEeYG0ca70LxhtnpelViTP6jWosqLe9dEf2sFbomIHUiDYhWabL2 d/stZFZ4jraxQ+G5atSOc5y+fhHYaG9ohCZy3z8c= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727010AbgFRHec (ORCPT ); Thu, 18 Jun 2020 03:34:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:34458 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727812AbgFRHea (ORCPT ); Thu, 18 Jun 2020 03:34:30 -0400 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 C749421548; Thu, 18 Jun 2020 07:34:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592465670; bh=bEC66nH8uZxGBs2rC/8tpmwdwNE+LS0BOwxCUu2uoG8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=esE3gT0WCOAF3EwvdaIE2d4NeW0f9Do5pdZRhB0v68ja2WyD9FmEVe0gPl1UGJ4Wg JB71y6g9AOTC056v6WK+2+LiV28kxPrH3xriYvPSnKr6OoSuT/d5MZ3bomRJ4TrcjC kOn8C+FNivEdEnr52+ASEz9LFKgM7IaOpwqStR1c= Date: Thu, 18 Jun 2020 15:34:24 +0800 From: Shawn Guo To: Robin Gong Cc: robh+dt@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, anson.huang@nxp.com, peng.fan@nxp.com, leonard.crestez@nxp.com, aisheng.dong@nxp.com, kernel@pengutronix.de, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com Subject: Re: [PATCH v3 1/2] arm64: dts: imx8mm-evk: correct ldo1/ldo2 voltage range Message-ID: <20200618073423.GF30139@dragon> References: <1590144291-18526-1-git-send-email-yibin.gong@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1590144291-18526-1-git-send-email-yibin.gong@nxp.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Fri, May 22, 2020 at 06:44:50PM +0800, Robin Gong wrote: > Correct ldo1 voltage range from wrong high group(3.0V~3.3V) to low group > (1.6V~1.9V) because the ldo1 should be 1.8V. Actually, two voltage groups > have been supported at bd718x7-regulator driver, hence, just corrrect the > voltage range to 1.6V~3.3V. For ldo2@0.8V, correct voltage range too. > Otherwise, ldo1 would be kept @3.0V and ldo2@0.9V which violate i.mx8mm > datasheet as the below warning log in kernel: > > [ 0.995524] LDO1: Bringing 1800000uV into 3000000-3000000uV > [ 0.999196] LDO2: Bringing 800000uV into 900000-900000uV > > Fixes: 78cc25fa265d ("arm64: dts: imx8mm-evk: Add BD71847 PMIC") > Cc: stable@vger.kernel.org > Signed-off-by: Robin Gong > Reviewed-by: Dong Aisheng Applied both, thanks.