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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham 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 8A92FC433FF for ; Mon, 29 Jul 2019 08:34:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 67476206E0 for ; Mon, 29 Jul 2019 08:34:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727517AbfG2Iea (ORCPT ); Mon, 29 Jul 2019 04:34:30 -0400 Received: from sauhun.de ([88.99.104.3]:38398 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727109AbfG2Ie3 (ORCPT ); Mon, 29 Jul 2019 04:34:29 -0400 Received: from localhost (p5486CFB7.dip0.t-ipconnect.de [84.134.207.183]) by pokefinder.org (Postfix) with ESMTPSA id 3035F2C35BF; Mon, 29 Jul 2019 10:34:27 +0200 (CEST) Date: Mon, 29 Jul 2019 10:34:26 +0200 From: Wolfram Sang To: Simon Horman Cc: Geert Uytterhoeven , linux-renesas-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Magnus Damm , Andrew Lunn , Kieran Bingham Subject: Re: [PATCH v2] arm64: dts: renesas: ebisu, draak: Limit EtherAVB to 100Mbps Message-ID: <20190729083426.GA1381@kunai> References: <20190729080356.13023-1-horms+renesas@verge.net.au> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="6c2NcOVqGQ03X4Wi" Content-Disposition: inline In-Reply-To: <20190729080356.13023-1-horms+renesas@verge.net.au> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org --6c2NcOVqGQ03X4Wi Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jul 29, 2019 at 10:03:56AM +0200, Simon Horman wrote: > * According to the R-Car Gen3 Hardware Manual Errata for Rev 1.00 of > August 24, 2018, the TX clock internal delay mode isn't supported > on R-Car E3 (r8a77990) and D3 (r8a77995). >=20 > * TX clock internal delay mode is required for reliable 1Gbps communicati= on > using the KSZ9031RNX phy present on the Ebisu and Draak boards. >=20 > Thus, the E3 based Ebisu and D3 based Draak boards can not reliably > use 1Gbps and the speed should be limited to 100Mbps. >=20 > Based on work by Kazuya Mizuguchi. >=20 > Signed-off-by: Simon Horman Yes, this matches all the previous discussions to the best of my knowledge: Reviewed-by: Wolfram Sang --6c2NcOVqGQ03X4Wi Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAl0+r44ACgkQFA3kzBSg KbY5PQ//Tn9hY8BpQBlzmkBgp0Vb+e4od1DjjojwtSQH7aDBkA2LjrQ1ab/QTBXB fOHqCFFMv0XIrFMAgChgXtRNXvnDuwJCeraIGV762Qv1vYUe/G+o+VFIEC8GU1IT XXqSiJeDR+RTyV6iv3yHjkvkMRwJFRtu5iDgZ7UuLIrKYCQYHdkF1c+0tjkATGnb I3U/kzvkQCmDEhU5inD8e7pIr8EtHdXwvnR8d5iPgTNG0JF9jwKg5WObU33uzfvJ b+Qs5G8OWMR0e76cxe5XrqC1wrWdCM6D6BP+vWYncZo8hqP4r4wgIYOSlxOsQ1Jw MqCtPLRyw1x4GgylwsfC/fr+efRTlMzHnTyRw/giMhjq3LOlQXyG33H6oRDBl7QG H+J/ToAL7a2mcuPiLKojmIqEKr5lClRY5Rr0SmWjDNMgYZgUE9ZgQHAKryB7ca69 Zd6ZYpm/a7xSg9Mhj5XOvXRP19segJXEkwhLwTc0GlS2XeEwTEa5yHd2bJvo1IWE UZQnk+xfAqt0FbSgg6+3fCMoKSzJ0s3A524opVWkWqkPu5uQrDsSeMdVXJAwT8h8 dQ2bvXMXTDFI/uy1X3hFvcOmAPfcGrSqVlwdwl12oMHad0QBa8vtC+++3/Bscu20 hrteZEvO6LmiiGOJ1PclsuLAuFxfJgx9cHcxzF45ye5cdrkx2vs= =Pn1D -----END PGP SIGNATURE----- --6c2NcOVqGQ03X4Wi--