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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_NEOMUTT 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 E33F0C4321D for ; Mon, 20 Aug 2018 12:01:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9A4B52152D for ; Mon, 20 Aug 2018 12:01:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9A4B52152D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726636AbeHTPQT (ORCPT ); Mon, 20 Aug 2018 11:16:19 -0400 Received: from mail.bootlin.com ([62.4.15.54]:38505 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726524AbeHTPQT (ORCPT ); Mon, 20 Aug 2018 11:16:19 -0400 Received: by mail.bootlin.com (Postfix, from userid 110) id 8082320DEC; Mon, 20 Aug 2018 14:00:56 +0200 (CEST) Received: from localhost (AAubervilliers-681-1-85-9.w90-88.abo.wanadoo.fr [90.88.27.9]) by mail.bootlin.com (Postfix) with ESMTPSA id 4DFDB20DE0; Mon, 20 Aug 2018 14:00:46 +0200 (CEST) Date: Mon, 20 Aug 2018 14:00:46 +0200 From: Maxime Ripard To: Icenowy Zheng Cc: Chen-Yu Tsai , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com Subject: Re: [linux-sunxi] Re: [PATCH] ARM: dts: sun8i: r40/v40: rewrite BPi M2 Berry DTS to rebase on M2 Ultra Message-ID: <20180820120046.7tonxtb52q43ocfq@flea> References: <20180724163655.61365-1-icenowy@aosc.io> <20180726124119.dwne2sncws2p3sdi@flea> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="gef5bru62hgkzpqm" Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --gef5bru62hgkzpqm Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! On Wed, Aug 08, 2018 at 06:36:56PM +0800, Icenowy Zheng wrote: > =E5=9C=A8 2018-07-26=E5=9B=9B=E7=9A=84 14:41 +0200=EF=BC=8CMaxime Ripard= =E5=86=99=E9=81=93=EF=BC=9A > > On Wed, Jul 25, 2018 at 12:36:55AM +0800, Icenowy Zheng wrote: > > > Banana Pi designs the BPi M2 Berry board to be software compatible > > > with > > > BPi M2 Ultra, > >=20 > > Do you have a reference for this? > >=20 > > > so it's based on M2 Ultra with some function cuts, including: > > >=20 > > > - 2048MiB DRAM -> 1024MiB (this should be proceed by the > > > bootloader); > > > - dropped a LED; > > > - dropped eMMC; > > > - dropped USB2 and connect USB1 to a 4-port HUB. > >=20 > > Is it the exhaustive list? >=20 > I have asked Mikey from Sinovoip, and he has agreed this. >=20 > Here's a list provided by him, which covers some things I forgot: > - 2GiB -> 1GiB > - no eMMC > - no onboard microphone > - no IR > - no charging (and power jack to USB) > - USB change > - one less LED >=20 > Should I add this to the device tree's comment? Not really, because... > >=20 > > I'm a bit reluctant to merge that kind of patches usually, since that > > would also imply that each time someone will commit something to the > > M2-Ultra, it would automatically apply to the M2-Berry, without any > > easy way to tell and / or test. =2E.. this still applies. Maxime --=20 Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com --gef5bru62hgkzpqm Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE0VqZU19dR2zEVaqr0rTAlCFNr3QFAlt6rW4ACgkQ0rTAlCFN r3ScGQ/9FrHdE9AWrObaIPhRZd5VO2sFPBr/SECyAthbaX4lZgbYQK3E7ogdWVk8 g5MUEW7DIJ5FmlpDqq6qNEp2NL/XTtFgSlKmJ8JpiL8cNvfPa5GzXGkqIJnMdISu yyN8/kxXr1McD5Vl/USxKdv/eqCimS8vfcQeFgmktIM8j9EDcO6r+BBXNFciun6R JCPeEYWwM67DxAypXaosbw00YoAu7FXOiaVTBXsOS9YC37ZKnnH2OhkBZxZkiQ0x GtsAo6mG1aCQloBwZ2tFBD9DEYNkFmS3Jr/+ZeHsCY0oKm/0S/mz35PhHDK+eFgD +RRiFaE6KCu7M1E7YJ53PgoXT+RJNy/DXK7pJejwCR77TyVC7UoVpK0s/k0gc0ce jJgOV0RxYn85FqRDJ+kBujL1N9yypMuCSHYme/KD3RvEQ2IdjGGPWFCEUPb5Pj7/ scZOe3BY8UB9Vt768gwDv1yAVZ/FwlXAk3TIwCOKnXx1puek6te//UWAqxyXntzR FlLrOzMBfzk/DWfxl5XUghO85omb0eco8UvV5Xkycx21371LDn0/UgYpi4crhmj2 iFRiR7W9Jofw+Cs5brw6FLAoxyek2NMRMhCXYuRTLP8b6NG0R2S749/5aiIU/PTY cx8tT4AD1APZZ6YUgfSiIY62czOJv5rcHWZfiPTqqBgNc1B3m0w= =oeS9 -----END PGP SIGNATURE----- --gef5bru62hgkzpqm--