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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 11692C61CE8 for ; Sun, 15 Jun 2025 10:12:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To: Content-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID: Subject:Cc: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=yjEYyViJRSEj7gukJzhLaZCQ3u2E2O6CsjLJYxe6OF0=; b=eRkaxo6MMsX3kGGJwDKNLKYR3y NeYtEL/TVIEgJ0EJUbrcRHPoMUVsRXbUnZsFtY8/w3lRH09w95lXrVMenwAvl5MRAZVlrek786u7I 5GejKmlC2hEgBUo53x5DNS18KKRoBvdPhJzrRFUV3GqdrN7diYbuC8HUeSzkd2odNFQ0LuX0tei1i K0YOObrS8paRx5AlPX3meuOD7GgSO0TONfmYKZWtWD12Rt9tdiRHvk6obgofqbjaePwhsoB+YqZkk aEACr1otVxcELFpF/b5Xu4pW6PXWLx7iYC65rpuapVb3a5BhiBj/vXaRSrKLUm9xUBB34LHKDzNji Wg9pRy9A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uQkM6-00000002Q3p-1lAI; Sun, 15 Jun 2025 10:12:50 +0000 Received: from mail11.truemail.it ([217.194.8.81]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uQkJs-00000002Q16-1uHF for linux-arm-kernel@lists.infradead.org; Sun, 15 Jun 2025 10:10:34 +0000 Received: from francesco-nb (93-49-2-63.ip317.fastwebnet.it [93.49.2.63]) by mail11.truemail.it (Postfix) with ESMTPA id 2068C1F8C9; Sun, 15 Jun 2025 12:10:25 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1749982225; bh=yjEYyViJRSEj7gukJzhLaZCQ3u2E2O6CsjLJYxe6OF0=; h=From:To:Subject; b=dNHhuG3WxeG6pI0ITcz6MLyZScfDasujY8HDnZ5HauVkxkHyjh5UVqoLj0vlbbbuJ w+v0rfmRDLVSngtTJE7MsYorPv4mmkjFE5jMoAMgsEJCp5V2bv/EtErNJ0vJfIfNJi P729hpsYnZftR+plkHMmKN/Eko8NbDFs8GnebT3X7jpbYw4ea6iZDiT0o+hLKwqsYU K5dtpDfTX+KV6zVJ0qn07iSvAbv0bM1FddRYsk9WwjwKAWWJRBC5r1vsCydBTxZGro n/BRGJxkDQG+Upi6ZA7Gzn3HRH1xW9PygfmIPSeaKO19MWk2qC66jTB8eZBtziFLfP fAySC2tmR1/eg== Date: Sun, 15 Jun 2025 12:10:19 +0200 From: Francesco Dolcini To: Frank Li Cc: =?iso-8859-1?Q?Jo=E3o_Paulo_Gon=E7alves?= , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, =?iso-8859-1?Q?Jo=E3o_Paulo_Gon=E7alves?= Subject: Re: [PATCH] arm64: dts: freescale: imx8mp-toradex-smarc: add fan cooling levels Message-ID: <20250615101019.GA7480@francesco-nb> References: <20250613-tdx-smarc-imx8mp-fan-cooling-level-v1-1-59aae8fee2db@toradex.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250615_031033_550000_2F69E4CD X-CRM114-Status: UNSURE ( 9.47 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Jun 13, 2025 at 05:37:56PM -0400, Frank Li wrote: > On Fri, Jun 13, 2025 at 01:35:04PM -0300, João Paulo Gonçalves wrote: > > From: João Paulo Gonçalves > > > > The fan controller on this board cannot work in automatic mode, and > > requires software control, the reason is that it has no temperature > > sensor connected. > > why not use built-in temperature sensor This comment is about the amc6821 temperature sensor input, it's about the way the HW is designed and it's specific of the amc6821 fan controller. Francesco