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=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 2EB31ECDFB8 for ; Tue, 24 Jul 2018 18:36:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 88CE4204EC for ; Tue, 24 Jul 2018 18:36:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="S0HkZJ6S" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 88CE4204EC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.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 S2388531AbeGXToE (ORCPT ); Tue, 24 Jul 2018 15:44:04 -0400 Received: from mail-wm0-f67.google.com ([74.125.82.67]:51308 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388366AbeGXToE (ORCPT ); Tue, 24 Jul 2018 15:44:04 -0400 Received: by mail-wm0-f67.google.com with SMTP id y2-v6so2908736wma.1; Tue, 24 Jul 2018 11:36:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=upenDyBNdq+oBF8mNoVp5lY50pNMgP0QyFah3H7X5CI=; b=S0HkZJ6Sz7EgWZkalnEPpB0/MIOdX/qsRkELsjEvqDmWGMRs2IkNQbfp/SrILU50Al Wr6fkLK+8zaSnKI95QgsMn52xgv++EvY0oDn3lTQO8wji8jKvwqfNwi0zr8BQpGjTWMF JZ5gE27lO96c5zHAQbmzmcw0Dw8q57zsH2fjS1zvNRbXtJiK3C4abyOZ37UiKGneRI73 eIytU+QK79oarU+jp64YZ5CJUBhJy4dmrU44AfqSr9m3SDFiGWNxirhURFFfms4ztIp6 fMNy/9nPzW5k5YpZ/OJb7C/Tml8LeU1R7EezrQiPI6yTrkiXgRbOrYk8iDHTvXHDdaBR JMuA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=upenDyBNdq+oBF8mNoVp5lY50pNMgP0QyFah3H7X5CI=; b=HRwtXkyU4SbC1HgyqukZN8Vc2i1KkWLzNeTQbXXQmKv9xfiE1nBgwYMdm2DBND70gz OJLTGdix+JW7jGv8SU4fLh2ImqoOMcP4HnqjOPkgV9Yf4foabxP/aUb0mjugbmIkwCzZ axp1ke3HYwHBlnW4gTprEnpkTnHDfdVMXFCaUWIK8Zm5smCIrNFcFznLdJiRmv2fG4dD B/IUwuKP8UImGO2nj9L/7DRYtLtgTeXN0DiOn631J7I5zQLHPFyxD/trcfue0/gcXdmw mScQeK7XwDNVQs5nFgaVoy7guxkohwoYcWxYlRNHyv8H7mETX92tFesAtSKFEVN7ZugJ GrTQ== X-Gm-Message-State: AOUpUlF3Z3QSrb6b91QfaIOaAbncQmdQhB2PbPdDl58c2s97WrGquYWQ M7nYy66I7pErt6EtjiCOxN8= X-Google-Smtp-Source: AAOMgpf/YTm9f3u+Np+udFpcXwhzRtN4gMSJitJMbzFeE8/XPtOhL8rPw7P/PULA/zsyaqKxj+ApfA== X-Received: by 2002:a1c:ae8d:: with SMTP id x135-v6mr2669023wme.20.1532457376585; Tue, 24 Jul 2018 11:36:16 -0700 (PDT) Received: from gandalf.schnuecks.de (p5B2E2884.dip0.t-ipconnect.de. [91.46.40.132]) by smtp.gmail.com with ESMTPSA id s16-v6sm11191877wrq.20.2018.07.24.11.36.15 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 24 Jul 2018 11:36:15 -0700 (PDT) Received: by gandalf.schnuecks.de (Postfix, from userid 500) id 5F4F95D55F6; Tue, 24 Jul 2018 20:36:15 +0200 (CEST) Date: Tue, 24 Jul 2018 20:36:15 +0200 From: Simon Baatz To: Icenowy Zheng Cc: Maxime Ripard , Chen-Yu Tsai , devicetree@vger.kernel.org, linux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH] ARM: dts: sun8i: r40/v40: rewrite BPi M2 Berry DTS to rebase on M2 Ultra Message-ID: <20180724183613.GA10380@gandalf> References: <20180724163655.61365-1-icenowy@aosc.io> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180724163655.61365-1-icenowy@aosc.io> User-Agent: Mutt/1.10.0 (2018-05-17) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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, so it's based on M2 Ultra with some function cuts, > including: > > - 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. > > Thus we can make the M2 Berry device tree based on the M2 Ultra, rather > than write one from scratch. Good idea! I know that Ultra came first and then the cut-down Berry. But from a device tree point of view, wouldn't it make more sense to take M2 Berry as the base and just add the hardware for M2 Ultra?