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=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 33274C17441 for ; Tue, 12 Nov 2019 08:46:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0C3E221925 for ; Tue, 12 Nov 2019 08:46:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=web.de header.i=@web.de header.b="UML5kkxX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727221AbfKLIqR (ORCPT ); Tue, 12 Nov 2019 03:46:17 -0500 Received: from mout.web.de ([212.227.15.3]:59145 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727104AbfKLIqQ (ORCPT ); Tue, 12 Nov 2019 03:46:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1573548315; bh=/69UOQg6AJRBn5Y5kan0J7mFNy7LzuCtg2qizG07W3U=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=UML5kkxXSQPAC3OwZZutICKLn+FTlBAPrBk//cS1ZT4ZWWzvksaLdWQ1xPIV2O5BJ 6cHONpjgmJRjSTsQ6/aRwiiQtwanyJHgLEJp8mU6yB6697Kdhxag+yN2DzcI1el1ua HjLlCcLwr2IsbVO+dzSdj7nY5uy9FNrsNHSHexkY= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.43.108] ([89.204.137.77]) by smtp.web.de (mrweb003 [213.165.67.108]) with ESMTPSA (Nemesis) id 0MeBEk-1iFWlw0uZ4-00Ptgl; Tue, 12 Nov 2019 09:45:15 +0100 Subject: Re: [PATCH 3/3] arm64: dts: rk3399: Add init voltage for vdd_log To: Markus Reichl , 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> From: =?UTF-8?Q?S=c3=b6ren_Moch?= Openpgp: preference=signencrypt Autocrypt: addr=smoch@web.de; prefer-encrypt=mutual; keydata= mQMuBFF1CvoRCADuPSewZ3cFP42zIHDvyXJuBIqMfjbKsx27T97oRza/j12Cz1aJ9qIfjOt5 9cHpi+NeCo5n5Pchlb11IGMjrd70NAByx87PwGL2MO5k/kMNucbYgN8Haas4Y3ECgrURFrZK vvTMqFNQM/djQgjxUlEIej9wlnUO2xe7uF8rB+sQ+MqzMFwesCsoWgl+gRui7AhjxDJ2+nmy Ec8ZtuTrWcTNJDsPMehLRBTf84RVg+4pkv4zH7ICzb4AWJxuTFDfQsSxfLuPmYtG0z7Jvjnt iDaaa3p9+gmZYEWaIAn9W7XTLn0jEpgK35sMtW1qJ4XKuBXzDYyN6RSId/RfkPG5X6tXAQDH KCd0I2P2dBVbSWfKP5nOaBH6Fph7nxFFayuFEUNcuQgAlO7L2bW8nRNKlBbBVozIekqpyCU7 mCdqdJBj29gm2oRcWTDB9/ARAT2z56q34BmHieY/luIGsWN54axeALlNgpNQEcKmTE4WuPaa YztGF3z18/lKDmYBbokIha+jw5gdunzXXtj5JGiwD6+qxUxoptsBooD678XxqxxhBuNPVPZ0 rncSqYrumNYqcrMXo4F58T+bly2NUSqmDHBROn30BuW2CAcmfQtequGiESNHgyJLCaBWRs5R bm/u6OlBST2KeAMPUfGvL6lWyvNzoJCWfUdVVxjgh56/s6Rp6gCHAO5q9ItsPJ5xvSWnX4hE bAq8Bckrv2E8F0Bg/qJmbZ53FQf9GEytLQe0xhYCe/vEO8oRfsZRTMsGxFH1DMvfZ7f/MrPW CTyPQ3KnwJxi9Mot2AtP1V1kfjiJ/jtuVTk021x45b6K9mw0/lX7lQ+dycrjTm6ccu98UiW1 OGw4rApMgHJR9pA59N7FAtI0bHsGVKlSzWVMdVNUCtF9R4VXUNxMZz84/ZcZ9hTK59KnrJb/ ft/IEAIEpdY7IOVI7mso060k3IFFV/HbWI/erjAGPaXR3Cccf0aH28nKIIVREfWd/7BU050G P0RTccOxtYp9KHCF3W6bC9raJXlIoktbpYYJJgHUfIrPXrnnmKkWy6AgbkPh/Xi49c5oGolN aNGeFuvYWbQaU29lcmVuIE1vY2ggPHNtb2NoQHdlYi5kZT6IegQTEQgAIgUCUXUK+gIbAwYL CQgHAwIGFQgCCQoLBBYCAwECHgECF4AACgkQANCJ0qFZnBAmcQEAkMwkC8NpkNTFQ+wc1j0C D1zWXsI3BE+elCcGlzcK8d0A/04iWXt16ussH2x+LzceaJlUJUOs6c4khyCRzWWXKK1HuQIN BFF1CvoQCADVUJEklP4MK6yoxlb+/fFsPw2YBNfpstx6TB8EC7TefHY1vIe/O4i4Vf4YfR+E dbFRfEc1uStvd/NBOZmEZYOwXgKuckwKSEGKCDz5IBhiI84e0Je4ZkHP3poljJenZEtdfiSG ZKtEjWJUv34EQGbkal7oJ2FLdlicquDmSq/WSjFenfVuGKx4Cx4jb3D0RP8A0lCGMHY6qhlq fA4SgtjbFiSPXolTCCWGJr3L5CYnPaxg4r0G5FWt+4FZsUmvdUTWB1lZV7LGk1dBjdnPv6UT X9VtL2dWl1GJHajKBJp9yz8OmkptxHLY1ZeqZRv9zEognqiE2VGiKTZe1Ajs55+HAAMFB/4g FrF01xxygoi4x5zFzTB0VGmKIYK/rsnDxJFJoaR/S9iSycSZPTxECCy955fIFLy+GEF5J3Mb G1ETO4ue2wjBMRMJZejEbD42oFgsT1qV+h8TZYWLZNoc/B/hArl5cUMa+tqz8Ih2+EUXr9wn lYqqw/ita/7yP3ScDL9NGtZ+D4rp4h08FZKKKJq8lpy7pTmd/Nt5rnwPuWxagWM0C2nMnjtm GL2tWQL0AmGIbapr0uMkvw6XsQ9NRYYyKyftP1YhgIvTiF2pAJRlmn/RZL6ZuCSJRZFMLT/v 3wqJe3ZMlKtufQP8iemqsUSKhJJVIwAKloCX08K8RJ6JRjga/41HiGEEGBEIAAkFAlF1CvoC GwwACgkQANCJ0qFZnBD/XQEAgRNZehpq0lRRtZkevVooDWftWF34jFgxigwqep7EtBwBAIlW iHJPk0kAK21A1fmcp11cd6t8Jgfn1ciPuc0fqaRb Message-ID: <88ad7dc9-5299-791b-e285-7775ddf885ba@web.de> Date: Tue, 12 Nov 2019 09:44:57 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-GB X-Provags-ID: V03:K1:P631vcNOXvn80kQFRh1MMqhKnqdMniiDSlzA/Fe9ZdqNLhl8aCJ BGfLB3CLAOIg3h4IKI2AqTKLVWFdsJuWJp5XMHKOvhHv53IcSZjaMF9kGYt7QAEN5dl3R91 6/ai5G0iT9esdi0xHryc6hzLrXlTGJSvLEN0irVF8Vw6uB38l3eBeGTLsvp2c+M6KiF+mjF 02UMB5GIgAPFQNp+z4ong== X-UI-Out-Filterresults: notjunk:1;V03:K0:V7EFa0VgYFk=:up85voY2VnOyzIdfyyo6IE 0+AxbvxswgC6NdAkjATdDYjZDn+++svhfS622taimZfRlhcL58A51FuO7UU4u/U7yDoWJk9Jp 3dSsBhEapbjqKWBeCoylXLYcmGMWDsyJSTJVl08YBiszXsWmbESlFicbg7GAawySikatr/uKj uu6Lgj2VxqzFjWdwLq+lZI8U1m2zp+ZRTCMzqp+mLcB81P2b3KbQLPC4M8Mak2rvFcPGJrUcT MWQxWQEC72m2MDtbi+mDSfeO+WBg5oCVFHvjCZLKGd+pBh0XVghmxAKg/0HHKHm+xuQjuoJhn K9aZwME7GW2Hzb26D8ZyUthBmKQr2/xLXRxrXUzaTRRHPvE5u+J4JURdzftgCdeEvJqZbvNTE Y9BK4H7wr8hFpHiWar/h4ZHx9GZnCJ4dppnT7C/a8aeT/ar/T/FeV5zSre/JwzLztILlWEv86 6eQJwi+UqvizmbCsCFa2YPK3jN6muYInepcpk13QxO++hWH+x35uKvPJHB4WMK/PbH/hEJ1XM HdNEdyoRC1cQC3X61/+M2JR+6FdXUpDY5LBnxDBziI2TGgr65C6EsjvwHnsZf68NDRpyAufO0 pZZ7sieAT5G72vlxd6lgj+2+0HuS8r4VnPBfaKPn6dAby7/A9yEK8XT76HDmYD0CJqH2hkj0Q nu3/FmkKGQocdk3lDhhdkQonRUbgjO3ly+WrdORBPTnJBNsg6c1jGDTkQWpQxsfQfdIufFN5R 9Oi+QAXFHhvXSbwp4r/MShTV85jCVNZwNtUW/PTmsJni1kKmu2bs7CheDUOGuNeb+IUs+j8Bj /pZNoJhfpGSNYDgiwenesDgg1MzhjZs+C56dXYMgIFyNM8Sp8tyvgFfnOSCpg3FcE9HqVXOSa UsldmW7Nhu4eiLfp+eJvxyEvN6tuKYeVVSz5gtf+LqANpUR03+vf9uc6fYFZQwgTdv9vzXuTu ibiTMKcM61mLnTDHb+CxwVaB6S7i7uHR+hRNnuv8bUtXr9DUsMcTV5NO1DLZq1HTNiiZqSITj XhgAH/KbNKmFPagA1APc8uMmjCLRQ18ppkJH+HFPErC5dHa3yBLs3nI7Ogxl09uP/lOAzIWSy tRSrslI7qOH9aDNu2BPWQchoZUzbFn7DwHBlbiqP2FsR2khAjBCqfiCmCDBqPNvyTjY9Z531R LnQutdEAATT4GxloeN74zTP5ZVky2706OMrvQBc3geTz8tTP+/ahfQNvLO4ea7THZYl7LZtim tYOuK8tL7LfNvW0sBvJU4dtUAiYUPwUYm6ehaog== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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]. [1] https://patchwork.kernel.org/patch/11173465/ Gru=C3=9F, S=C3=B6ren > Btw. vin-supply for this pwm-regulator is ignored and I could not find i= t > in bindings doc. > > Gru=C3=9F,