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=-2.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLACK 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 2D0A5C2B9F4 for ; Fri, 25 Jun 2021 10:11:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0C8D961434 for ; Fri, 25 Jun 2021 10:11:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231241AbhFYKOF (ORCPT ); Fri, 25 Jun 2021 06:14:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55692 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230251AbhFYKOE (ORCPT ); Fri, 25 Jun 2021 06:14:04 -0400 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D32C8C061574; Fri, 25 Jun 2021 03:11:43 -0700 (PDT) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.94.2) (envelope-from ) id 1lwioD-0001cS-Mv; Fri, 25 Jun 2021 12:11:38 +0200 Date: Fri, 25 Jun 2021 12:11:31 +0200 From: Daniel Golle To: Frank Wunderlich Cc: Eric Woudstra , Daniel Lezcano , Rob Herring , Matthias Brugger , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Sean Wang , Ryder Lee Subject: Re: Re: Re: [PATCH] Fix mt7622.dtsi thermal cpu Message-ID: References: <56fb5540-fb86-4e6a-a596-1276026b37e5@gmail.com> <47261865-00e3-41eb-bb36-2b939f81f1e8@gmail.com> <189b52d5-b103-43e1-a64f-1e627fbc75af@gmail.com> <173e6bab-9d21-eb28-9b91-a5f80c01fd03@linaro.org> <3dd22cf2-1186-4870-aa49-e5cddc18c6e9@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Frank, On Fri, Jun 25, 2021 at 11:31:59AM +0200, Frank Wunderlich wrote: > > Gesendet: Freitag, 25. Juni 2021 um 11:22 Uhr > > Von: "Daniel Golle" > > > On Fri, Jun 25, 2021 at 10:16:43AM +0200, Frank Wunderlich wrote: > > > Daniel from openwrt have some other mt7622 Boards maybe he can test the Fan approach below > > > > I got Linksys E8450 aka. Belkin RT3200 ( https://fcc.io/K7S-03571 ) as > > well as Ubiquiti UniFi 6 LR ( https://fcc.io/SWX-U6LR ). Both got quite > > massive customized heatsinks (see internal photos on FCC submission), > > which results in much better heat dissipation than just having the > > naked chip like on the BPi-R64. > > Hence I also can't test the fan approach on boards other than the R64. > > Do your both mt7622 boards miss the fan-socket or is it not connected to pwm3? then we need to move the fan-parts to mt7622-bananapi-r64.dts instead of mt7622.dtsi There is no fan intended on both devices. E8450 has an unknown connector which **could** be for a fan, but I never tried if and how it is actually connected to the SoC. It could as well be an additional USB 2.0 (as it got 4 pins). Hence I suggest to add the fan on PWM3 for the BPi-R64 only for now. Cheers Daniel