From mboxrd@z Thu Jan 1 00:00:00 1970 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 CAD2147D454; Wed, 7 Oct 2026 13:01:46 +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=1791378113; cv=none; b=HXf1E0gVuuxlunL7V6B9OYmmkq+378loZSPRvdLmQ0I7ekblnb37hJNqVISYQjuGbqGrT1ecC4PjafTjIIFPtYnom98GEg1RfvIqspVI2GrskdQY4aodgsmp+y7PfMuFOgF0Gf4COJgzjfLjQ95g48KcPnnU+NNYHcsPpCWSBGQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791378113; c=relaxed/simple; bh=O0EtaeY/6At1FiwpxnWcfkDfEcMW6xZEaO6fINS23AM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=mNKriBR9dcM99b2DltaEO+0I+ayJQslSNCjAQRlOv/XXQWuFAfY4Sn2wlbRiyTdFLpI81YZfS4MOmFlrzFYytma0A0yncKDPJuWX2BoQH6lB74H0ly1YSbaWtNBmtBivECTeiqvnUvtq5u5HD/lPoytgUwNDbTDgGnqHamG7/Zg= 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=zU5ZvP25; 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="zU5ZvP25" 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=6YP3nrzHNBPV4laVHmTWlcL0xqJ7r23M87T5OozmfTM=; b=zU5ZvP25ND/Pnn0/1VuaJCdY08 UffRk45r/0Ba3w0c/7bsl2unFhNjUeFg2U6bjfHSZQJ2YWsy5NRyJ0lHPQf/MGkB1x1tfw2JhHfqv A6/GJqeHG0rX5ehWSZOIH50Z9Nqq1h5uwQKXKf/XKsPTMyi4U8RPjpSiNQSlK+gCOSjw=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1xERGy-009SZ2-8w; Wed, 07 Oct 2026 15:01:28 +0200 Date: Wed, 7 Oct 2026 15:01:28 +0200 From: Andrew Lunn To: Lucas Tanure Cc: xianwei.zhao@amlogic.com, Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Maxime Chevallier , Maxime Coquelin , Alexandre Torgue , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH v2 0/7] Add ethernet support for the Amlogic T7 Message-ID: References: <20261007082627.63807-1-tanure@linux.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=us-ascii Content-Disposition: inline In-Reply-To: <20261007082627.63807-1-tanure@linux.com> On Wed, Oct 07, 2026 at 09:26:20AM +0100, Lucas Tanure wrote: > The T7 pairs a Synopsys gigabit MAC with the same glue registers the > G12A has, but nothing described it. This adds the binding, the driver > support and the device tree nodes, and enables the port on the Khadas > VIM4. > > Unlike the G12A, the controller reaches DRAM through a pipeline stage > with a gate of its own, sys_ampipe_eth. Nothing else claims it, so > clk_disable_unused switches it off and transfers stop. > > v2 changes the RGMII delays, after review. phy-mode describes the > board, not which chip adds the delay, so this board is rgmii-id. > dwmac-meson8b did the opposite, and ignored the *-internal-delay-ps > properties. Patch 1 fixes that. The VIM4 needs it because the RTL8211F > transmit delay does not work here. What is special about the RTL8211F? Andrew