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 E962ECA5FF1 for ; Wed, 7 Oct 2026 13:02:00 +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-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=6YP3nrzHNBPV4laVHmTWlcL0xqJ7r23M87T5OozmfTM=; b=HJj9nr5HsdYxu1uasX7ZIUBtdh FDYDtbX7imlcqvjP9GtjYONZ3FyocAmgdpKLF180StL2HJ+iQY2gJpBkRYH7Wr90wRjL54FApTQWT k/HQfDl1PtOyf8hRqyWBopTLO1/a9DKZSZfK2HNmDg14ZmeobYi4CiVfht1P8hWPq9JzmxMoKP+yv RuDWge3h74f9gb1aFuS8dv41y+MbV3lvmPqhptbSiTaNrsAxPeY/2wRetcBXN+6QUe2+EafrWLnwz OLLLmRDjhN/maIVF//CmZsSX5eZ2nxvRzANjD0HGSyHs116XImlg7HHyrRjnpGocCiJeD0Mkn7lt+ mTCqxkIA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xERHH-00000002Ujc-3Gyb; Wed, 07 Oct 2026 13:01:47 +0000 Received: from vps0.lunn.ch ([156.67.10.101]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xERHF-00000002Uiq-16qD; Wed, 07 Oct 2026 13:01:46 +0000 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261007082627.63807-1-tanure@linux.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261007_060145_302388_054B09E9 X-CRM114-Status: GOOD ( 13.79 ) 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 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