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 X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_2 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DB696C43603 for ; Tue, 10 Dec 2019 20:34:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B11322077B for ; Tue, 10 Dec 2019 20:34:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=nic.cz header.i=@nic.cz header.b="sThtOEeX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727075AbfLJUd6 (ORCPT ); Tue, 10 Dec 2019 15:33:58 -0500 Received: from mail.nic.cz ([217.31.204.67]:51412 "EHLO mail.nic.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725999AbfLJUdy (ORCPT ); Tue, 10 Dec 2019 15:33:54 -0500 Received: from localhost (unknown [172.20.6.135]) by mail.nic.cz (Postfix) with ESMTPSA id 5429F140AC8; Tue, 10 Dec 2019 21:33:52 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=nic.cz; s=default; t=1576010032; bh=gT9/qt/EE7APHbwGwmFdoeHh/5ij9tU8+0uQXcYhjVI=; h=Date:From:To; b=sThtOEeX+qYfIcojZT7f2Vbh9MTdECtF/Ctl0YngNsUBcL6Y7s6S5lCAiP0kfmx/v KAyG5LPOqa6UrjRlit08uN0nTJHjzOo98m/IKDFtXdVfk1tYHqKKb1DttwKCg+MKk+ ufKzsCzDzfO82MDF5WYpvs/zZSe04O4Ms945Lx40= Date: Tue, 10 Dec 2019 21:33:51 +0100 From: Marek Behun To: Andrew Lunn Cc: Landen Chao , f.fainelli@gmail.com, vivien.didelot@savoirfairelinux.com, matthias.bgg@gmail.com, robh+dt@kernel.org, mark.rutland@arm.com, devicetree@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, davem@davemloft.net, sean.wang@mediatek.com, opensource@vdorst.com, frank-w@public-files.de Subject: Re: [PATCH net-next 4/6] net: dsa: mt7530: Add the support of MT7531 switch Message-ID: <20191210213351.2df6acbf@nic.cz> In-Reply-To: <20191210163557.GC27714@lunn.ch> References: <6d608dd024edc90b09ba4fe35417b693847f973c.1575914275.git.landen.chao@mediatek.com> <20191210163557.GC27714@lunn.ch> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamav-milter 0.100.3 at mail X-Virus-Status: Clean Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Tue, 10 Dec 2019 17:35:57 +0100 Andrew Lunn wrote: > On Tue, Dec 10, 2019 at 04:14:40PM +0800, Landen Chao wrote: > > Add new support for MT7531: > > > > MT7531 is the next generation of MT7530. It is also a 7-ports switch with > > 5 giga embedded phys, 2 cpu ports, and the same MAC logic of MT7530. Cpu > > port 6 only supports HSGMII interface. Cpu port 5 supports either RGMII > > or HSGMII in different HW sku. > > Hi Landen > > Looking at the code, you seem to treat HSGMII as 2500Base-X. Is this > correct? Or is it SGMII over clocked to 2.5Gbps? > > Andrew How would that work? Would 10 and 100 be overclocked to 25 and 250?