From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail11.truemail.it (mail11.truemail.it [217.194.8.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 528671A5BAE; Sun, 15 Jun 2025 10:19:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.194.8.81 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749982791; cv=none; b=XsZt+rZIyddcH3y3NYKJej2AG1jCVMhxPT8qNiYDbFcArfLgBXd7XwD3/1KW4rUp+RWkFKhR+0xbQefsBnnPDcnUum8X46/H7swo4M7++sVWWj6vGaqUnH8aUgDDtqH3Y/xQOS6W8FcgBmPHsJhmtivBv6+pquuQWU1oGvVH7Ko= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749982791; c=relaxed/simple; bh=n5YFmX8Kx6Xtc0SvzMHgsnvUv3eO8FtDVpzatVckm9g=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=tSyw6GZebNrrpvwHhfr4bY72jzd/qlEDVoMXp8YbNgWcnnUjSi5zOZtkTVmTVWHAIx0A2D6ueo0zc9tmXnQ3yNbwlLhAHmZlK5BTNrLNaQRKjDi1sDkfB3SMjOs0nwCTYnuy07FUR2JSX1ZYwA1DTQyH4BbyNdxSBkPAH9EMmdo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it; spf=pass smtp.mailfrom=dolcini.it; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b=dNHhuG3W; arc=none smtp.client-ip=217.194.8.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=dolcini.it Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b="dNHhuG3W" 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> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: 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