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[2604:1380:40f1:3f00::1]) by mx.google.com with ESMTPS id w191-20020a6382c8000000b005dc491389b1si1826581pgd.679.2024.02.09.07.52.27 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Feb 2024 07:52:28 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-59545-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) client-ip=2604:1380:40f1:3f00::1; Authentication-Results: mx.google.com; dkim=pass header.i=@lunn.ch header.s=20171124 header.b=H480AzYP; arc=pass (i=1 spf=pass spfdomain=lunn.ch dkim=pass dkdomain=lunn.ch dmarc=pass fromdomain=lunn.ch); spf=pass (google.com: domain of linux-kernel+bounces-59545-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-59545-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=lunn.ch Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sy.mirrors.kernel.org (Postfix) with ESMTPS id B8DD6B242BF for ; Fri, 9 Feb 2024 15:41:01 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id D0B4F74E3B; Fri, 9 Feb 2024 15:40:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="H480AzYP" Received: from vps0.lunn.ch (vps0.lunn.ch [156.67.10.101]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 655A14EB3B; Fri, 9 Feb 2024 15:40:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=156.67.10.101 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707493251; cv=none; b=sfl2C4qfnr8+92UzTvZyU0LEig1OcS/4tPFR73Kirdc+AZmDS/SFPHgvmcURITa0SAu53OahzAQQJcW9Q6fky4IeCBP2WojaxqigiErdi+aqawVKSuw2HB1jkL0F0ateKpZUTrI0gi0yoXmYeaR0dz3cF8MN2XgsMJLGQY8EAKA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707493251; c=relaxed/simple; bh=MPW5mUOHhGvQPg5Tf7W+tLCjO+I4TQCvuwIij893KfA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=jqD4jrauYAQD4KMuL6/obizFCXEyetOCFmBRNJkSdEP9Wj7MozdtkZQ0lemA1anELtijnxw7momI4dDmJ36ql05R/CEIcINVmla7ynlxOQZvJs409r5aeZtP4papEdTYTPphAaaPcS7UJX4+36hdEZokO08GW3G+zrU2G4+DDwY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch; spf=pass smtp.mailfrom=lunn.ch; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b=H480AzYP; arc=none smtp.client-ip=156.67.10.101 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lunn.ch DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=0JtvBMaLBcFOgHj2y9suAh17jw5aR24oDvXIDv/MskI=; b=H480AzYP/5GQ9LD5jtt07Tj8Mo tSAs5RMFHHzFw2ZRMhUrJJXX/eS2xAAdhYuetmBs7FlvLfH0DkrH82JRdFEf1IkpQBhWkTpdc1qEo QLqxon46sriFrfWYdbr+1/3vj1RlBLk+MJdphxEA+fvJ7kk+RHwxHNOhEIjgIJmw+WWc=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1rYSzP-007Ogm-Cn; Fri, 09 Feb 2024 16:40:31 +0100 Date: Fri, 9 Feb 2024 16:40:31 +0100 From: Andrew Lunn To: POPESCU Catalin Cc: "davem@davemloft.net" , "kuba@kernel.org" , "pabeni@redhat.com" , "robh+dt@kernel.org" , "krzysztof.kozlowski+dt@linaro.org" , "conor+dt@kernel.org" , "afd@ti.com" , "hkallweit1@gmail.com" , "linux@armlinux.org.uk" , "netdev@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , GEO-CHHER-bsp-development , "m.felsch@pengutronix.de" Subject: Re: [PATCH v3 2/2] net: phy: dp83826: support TX data voltage tuning Message-ID: <3a0eace4-6f24-4f7e-b693-65973a112b32@lunn.ch> References: <20240209123628.2113971-1-catalin.popescu@leica-geosystems.com> <20240209123628.2113971-2-catalin.popescu@leica-geosystems.com> <00691961-d516-4338-b7e8-203625e561ee@lunn.ch> <5a15d8eb-d6e9-46cf-9b33-d0a04e01b365@leica-geosystems.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5a15d8eb-d6e9-46cf-9b33-d0a04e01b365@leica-geosystems.com> > DP83826 offers the possibility to tune the voltage of logical levels of > the MLT-3 encoded TX data. This is useful when there is a voltage drop > in between the PHY and the connector and we want to increase the voltage > levels to compensate for that drop. > > Is this more meaningful ? Yes, that is good. Thanks Andrew