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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 E1CC9C43331 for ; Tue, 12 Nov 2019 08:52:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C4E10204FD for ; Tue, 12 Nov 2019 08:52:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727104AbfKLIwA (ORCPT ); Tue, 12 Nov 2019 03:52:00 -0500 Received: from wp126.webpack.hosteurope.de ([80.237.132.133]:45672 "EHLO wp126.webpack.hosteurope.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725781AbfKLIwA (ORCPT ); Tue, 12 Nov 2019 03:52:00 -0500 Received: from [2003:a:659:3f00:1e6f:65ff:fe31:d1d5] (helo=hermes.fivetechno.de); authenticated by wp126.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) id 1iURtx-0005Zc-HE; Tue, 12 Nov 2019 09:51:53 +0100 X-Virus-Scanned: by amavisd-new 2.11.1 using newest ClamAV at linuxbbg.five-lan.de Received: from [192.168.34.101] (p5098d998.dip0.t-ipconnect.de [80.152.217.152]) (authenticated bits=0) by hermes.fivetechno.de (8.15.2/8.14.5/SuSE Linux 0.8) with ESMTPSA id xAC8pqVS013015 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Tue, 12 Nov 2019 09:51:52 +0100 Subject: Re: [PATCH 3/3] arm64: dts: rk3399: Add init voltage for vdd_log To: =?UTF-8?Q?S=c3=b6ren_Moch?= , Kever Yang , heiko@sntech.de Cc: Mark Rutland , =?UTF-8?Q?Andrius_=c5=a0tikonas?= , linux-kernel@vger.kernel.org, Alexis Ballier , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Katsuhiro Suzuki , Hugh Cole-Baker , Elaine Zhang , Andy Yan , Robin Murphy , Vicente Bergas , Oskari Lemmela , linux-rockchip@lists.infradead.org, Rob Herring , Pragnesh Patel , Peter Robinson , Nick Xie , Ezequiel Garcia , Vivek Unune , Akash Gajjar References: <20191111005158.25070-1-kever.yang@rock-chips.com> <20191111005158.25070-3-kever.yang@rock-chips.com> <1eaef5d5-c923-da56-b9c4-48d517b3c969@rock-chips.com> <88ad7dc9-5299-791b-e285-7775ddf885ba@web.de> From: Markus Reichl Autocrypt: addr=m.reichl@fivetechno.de; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.1 MIME-Version: 1.0 In-Reply-To: <88ad7dc9-5299-791b-e285-7775ddf885ba@web.de> Content-Type: text/plain; charset=utf-8 Content-Language: de-DE Content-Transfer-Encoding: 8bit X-bounce-key: webpack.hosteurope.de;m.reichl@fivetechno.de;1573548719;bc2c7baf; X-HE-SMSGID: 1iURtx-0005Zc-HE Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thanks Sören, Am 12.11.19 um 09:44 schrieb Sören Moch: > On 12.11.19 09:16, Markus Reichl wrote: >> Hi Kever, >> >> have a rk3399-roc-pc running mainline U-Boot and kernel and vdd_log is >> showing 1118 mV. >> Is this a danger for the board? > I think yes. What I read vdd_log on rk3399 must not exceed 1.0V. >> How to fix it? > You probably need to do something like [1]. will measure and come up with a patch. > > [1] https://patchwork.kernel.org/patch/11173465/ > > Gruß, > Sören >> Btw. vin-supply for this pwm-regulator is ignored and I could not find it >> in bindings doc. >> > Gruß, -- Markus Reichl