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 2B9C7C4332F for ; Wed, 9 Nov 2022 23:03:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=UkdmaGjUQnTiLCsGI3GDU3fCubdrUIrtDr54h3JqqUk=; b=J36MdiYN9lliBS wcMj2rLpA/cdxxA/abaLqxetBIqUZE04+qwi7LhdSUgqk5BPywzd4LVNU3Iz+uYzkBo4NFlcNJQL8 RP2hDHkSxXfc0OyCb0ONfdyyfFeeAMAaJpaNrmAxHYB3TKdTxDcbem8R29JXjBjDY34JGzQ6mUWmp leOkyt99q0fY7vdeO0tnYj0jhu7mPMIOzcwvOXvPgTmGPlB8Knk0reLawB1r8rOeRCYrcjeoiSEK5 8jtWuyScVJvFYYA5Xc5cWWjkDldOeuUY7tPBhkLIUGR2hd1g/ytTLa4rAaj3oFPNUQ+3Z0vmDRW3h pMYKTfA8C/pWnFVRFuAw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1osu5K-000VSs-He; Wed, 09 Nov 2022 23:02:19 +0000 Received: from vps0.lunn.ch ([156.67.10.101]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1osu5G-000VIK-JK for linux-arm-kernel@lists.infradead.org; Wed, 09 Nov 2022 23:02:15 +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=nWu9npcTwPxeit8kU4IBt2JR98yh/MyteHNryZAJhYo=; b=rE6M68O8OTU7+ozIF8d5aq9hWA K/KRgRk9QOWHN/M5HWRuCB3yUb4nRHex8v44vsShFPQ84E7W58zOLjwaFw7PABe99LCxZCeLhDukQ dtAb46AkRc/F1RK/oo3F0Z/b48TSK92Cbk22+/4BYCYjMmvSdkFx092dB+4VLdOiEsEc=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1osu3Z-001xaM-DX; Thu, 10 Nov 2022 00:00:29 +0100 Date: Thu, 10 Nov 2022 00:00:29 +0100 From: Andrew Lunn To: Jan Petrous Cc: Chester Lin , Andreas =?iso-8859-1?Q?F=E4rber?= , Rob Herring , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Krzysztof Kozlowski , "netdev@vger.kernel.org" , dl-S32 , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Matthias Brugger Subject: Re: [EXT] Re: [PATCH 2/5] dt-bindings: net: add schema for NXP S32CC dwmac glue driver Message-ID: References: <20221031101052.14956-1-clin@suse.com> <20221031101052.14956-3-clin@suse.com> <20221102155515.GA3959603-robh@kernel.org> <2a7ebef4-77cc-1c26-ec6d-86db5ee5a94b@suse.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221109_150214_702164_F4025F40 X-CRM114-Status: GOOD ( 14.74 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org > > Here I just focus on GMAC since there are other LAN interfaces that S32 > > family > > uses [e.g. PFE]. According to the public GMACSUBSYS ref manual rev2[1] > > provided > > on NXP website, theoretically GMAC can run SGMII in 1000Mbps and > > 2500Mbps so I > > assume that supporting 1000BASE-X could be achievable. I'm not sure if any > > S32 > > board variant might have SFP ports but RJ-45 [1000BASE-T] should be the > > major > > type used on S32G-EVB and S32G-RDB2. > > > > @NXP, please feel free to correct me if anything wrong. > > > > NXP eval boards (EVB or RDB) have also 2.5G PHYs, so together with SerDes > driver we support 100M/1G/2.5G on such copper PHYs. Hi Jan Does the SERDES clock need to change when going between 1000BaseX and 2500BaseX? If so, it sounds like Linux not having control of that clock is going to limit what can be supported. Andrew _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel