From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (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 2D8A52E6100 for ; Mon, 27 Oct 2025 10:23:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761560590; cv=none; b=nEtq9OexQe2P4yZ71nVMzyOwftwWbmHKdAP6nsfXWT3F5H6OulHolgHMBu8PyJkLUflCfIUQZB2reHbks2VwqWgKtxgiYc0l20/RZhAWbcZeccF3HzJDkdBvokqIVy8Hj9YFMC6/90fLk8wRjirHb1Lx15pXPv9TdQRYhRd32M0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761560590; c=relaxed/simple; bh=LPluyef4kypBSKGZCsUxRCFOggWHW4MJxhkKdQ37kTM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=L2r2EjXTr7mwAhQyss6L8OLK3QCzEx7eZlYwsKtcWCvYpXS2K2B7pdPAVkL1GLkrYWMD82EDgZh1m1DrnYVVqlnJHxHs+nMmPn4k+4VFhddOx0iTKX4767jZE1MMJT8B4niu0vQHm8KTjcPCkg2UU7CNMaRdkDfQYPl8Bk/keX0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vDKNU-00047j-JW; Mon, 27 Oct 2025 11:23:04 +0100 Received: from pty.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::c5]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vDKNU-005gi3-0X; Mon, 27 Oct 2025 11:23:04 +0100 Received: from ore by pty.whiteo.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1vDKNU-00394G-07; Mon, 27 Oct 2025 11:23:04 +0100 Date: Mon, 27 Oct 2025 11:23:03 +0100 From: Oleksij Rempel To: Laurent Pinchart Cc: Andrew Lunn , Russell King , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Daniel Scally , Kieran Bingham , Stefan Klug , Conor Dooley , Fabio Estevam , Krzysztof Kozlowski , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , Shawn Guo Subject: Re: [PATCH] arm64: dts: imx8mp-debix-model-a: Disable EEE for 1000T Message-ID: References: <20251026122905.29028-1-laurent.pinchart@ideasonboard.com> <20251027100227.GE1544@pendragon.ideasonboard.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=utf-8 Content-Disposition: inline In-Reply-To: <20251027100227.GE1544@pendragon.ideasonboard.com> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: devicetree@vger.kernel.org Hi Laurent, On Mon, Oct 27, 2025 at 12:02:27PM +0200, Laurent Pinchart wrote: > Hi Oleksij, > > Please note, RTL8211E PHY do use undocumented SmartEEE mode by default. > > It ignores RGMII LPI opcodes and doing own thing. It can be confirmed by > > monitoring RGMII TX and MDI lines with oscilloscope and changing > > tx-timer configurations. I also confirmed this information from other > > source. To disable SmartEEE and use plain MAC based mode, NDA documentation > > is needed. > > That's useful information, thank you. Would you by any chance to know if > such NDA would allow contributing the feature upstream ? Good question, but the NDA process was actually aborted. We didn't move forward due to a lack of time and ultimately, a lack of commercial interest from any projects or customers for this PHY. -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |