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=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 2A9E5C35E01 for ; Tue, 25 Feb 2020 18:15:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0206A20CC7 for ; Tue, 25 Feb 2020 18:15:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582654504; bh=ksE88csMVPVOWzzcHpIKQckXM92Rf7For2VgVwFf+6U=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=knAqXgC0Yna1fKS989EV+0ED6LDyu/JAWLG8Ihvx/YVI6qdN86hMrPEMMwe6gXrBQ pTqaWojDm2rW6bZXCKPEam/jFRhtZS84yTtXKy72CU2QblPvdDcrm0CLVZebFwlJfa zqENXcj6D/wn+vqC6rxT9SJ/ySC5MTsOfoaQOgMk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731413AbgBYSPC (ORCPT ); Tue, 25 Feb 2020 13:15:02 -0500 Received: from mail-oi1-f194.google.com ([209.85.167.194]:38873 "EHLO mail-oi1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728367AbgBYSPC (ORCPT ); Tue, 25 Feb 2020 13:15:02 -0500 Received: by mail-oi1-f194.google.com with SMTP id r137so242528oie.5; Tue, 25 Feb 2020 10:15:02 -0800 (PST) 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=sRPxV5iSvPN80K6tvKNtciXRBCMachxheO+dmsdwNT0=; b=Nr6Hz9U0nsRcJnZ9q4TNOERxSlQMNcuhl6QlpT8EX3rG2/0hs+CRSoFFGitmqo1uIf 13RMOsr0IgZk6fcdT/eMQMlEPg+emdbwTLg2HidVP/ps1k9FsoVuzE/FQWLyjQuxRKPY msEL+fZjGRCEb3SKDHXLSapXCVLfBrA0utrx0vFK1uLmBofXknw544Zd/etGNYj3U/P8 WjSYW1NWL4Uu9Oyoi7USzwdbVOPRkxzsYvyp7kx7q3C8cxro7a/8TmIa7WW1heTGEL1X z28j1kQEufnulKBoLcXlVqhcke52yFO2hNQor3VbKPN/0CotY5FohaNS/8XnSxtCAFc3 AhDA== X-Gm-Message-State: APjAAAWRU+kDss3hIEQswV/jQKw8vANBpDzdCb1cHB3Nqq34C8ut69L5 NCeL6hxRvrPQWzmFbO1MyQ== X-Google-Smtp-Source: APXvYqxWUUIv2aQqOuCp8OaRKWv2QrkvHU2RtzwROvmadfZZRS7+D+CIBSg3H3p92q957/Sr7GWDHg== X-Received: by 2002:aca:5f87:: with SMTP id t129mr199368oib.36.1582654501742; Tue, 25 Feb 2020 10:15:01 -0800 (PST) Received: from rob-hp-laptop (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id i6sm5902042oto.62.2020.02.25.10.15.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Feb 2020 10:15:01 -0800 (PST) Received: (nullmailer pid 601 invoked by uid 1000); Tue, 25 Feb 2020 18:15:00 -0000 Date: Tue, 25 Feb 2020 12:15:00 -0600 From: Rob Herring To: Maxime Ripard Cc: Nicolas Saenz Julienne , Eric Anholt , devicetree@vger.kernel.org, Florian Fainelli , Tim Gover , Dave Stevenson , Wolfram Sang , Kamal Dasu , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-i2c@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Phil Elwell , linux-arm-kernel@lists.infradead.org, Maxime Ripard Subject: Re: [PATCH 02/89] dt-bindings: i2c: brcmstb: Add BCM2711 BSC/AUTO-I2C binding Message-ID: <20200225181500.GA538@bogus> References: <9e427ff22fa40b7146b44aee6468559499deb1f1.1582533919.git-series.maxime@cerno.tech> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9e427ff22fa40b7146b44aee6468559499deb1f1.1582533919.git-series.maxime@cerno.tech> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 24 Feb 2020 10:06:04 +0100, Maxime Ripard wrote: > The HDMI blocks in the BCM2771 have an i2c controller to retrieve the > EDID. This block is split into two parts, the BSC and the AUTO_I2C, > lying in two separate register areas. > > The AUTO_I2C block has a mailbox-like interface and will take away the > BSC control from the CPU if enabled. However, the BSC is the actually > the same controller than the one supported by the brcmstb driver, and > the AUTO_I2C doesn't really bring any immediate benefit. > > We can model it in the DT as a single device with two register range, > which will allow us to use or or the other in the driver without > changing anything in the DT. > > Cc: Kamal Dasu > Cc: Florian Fainelli > Cc: Rob Herring > Cc: Wolfram Sang > Cc: bcm-kernel-feedback-list@broadcom.com > Cc: linux-i2c@vger.kernel.org > Cc: devicetree@vger.kernel.org > Signed-off-by: Maxime Ripard > --- > Documentation/devicetree/bindings/i2c/brcm,brcmstb-i2c.yaml | 40 ++++++- > 1 file changed, 39 insertions(+), 1 deletion(-) > Reviewed-by: Rob Herring