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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 161D5C433FE for ; Wed, 26 Jan 2022 23:57:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231792AbiAZX53 (ORCPT ); Wed, 26 Jan 2022 18:57:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229823AbiAZX52 (ORCPT ); Wed, 26 Jan 2022 18:57:28 -0500 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A8CF7C06161C; Wed, 26 Jan 2022 15:57:28 -0800 (PST) Received: from pendragon.ideasonboard.com (62-78-145-57.bb.dnainternet.fi [62.78.145.57]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id CE050EE; Thu, 27 Jan 2022 00:57:24 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1643241445; bh=vuhVq5HJ/9zxzx9WyHz58I5HTf0mfVL+Kxg3aE0E8cQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CGNMEb2JunGKKWWZKTVYkFeg8HU4TVRzmNsBsIWxfgW7DuH3g2rSY0ltm0ZrZv5wj 2nhpbKjdk4f+lHdXQiJcyz5iIpw6jZjCvOcEojAJLowTbiNxZ8NjA3w/HmAvnJct1g v7fya6WJC9qtqSDcsLcnSddDCYfLNr/vtOPM7uug= Date: Thu, 27 Jan 2022 01:57:05 +0200 From: Laurent Pinchart To: Geert Uytterhoeven Cc: Linux-Renesas , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Rob Herring , Kieran Bingham , Geert Uytterhoeven , Magnus Damm , Chris Paterson Subject: Re: [PATCH v2 1/3] arm64: dts: renesas: Prepare AA1024XD12 panel .dtsi for overlay support Message-ID: References: <20211229193135.28767-1-laurent.pinchart+renesas@ideasonboard.com> <20211229193135.28767-2-laurent.pinchart+renesas@ideasonboard.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi Geert, On Wed, Jan 26, 2022 at 08:15:26PM +0100, Geert Uytterhoeven wrote: > On Wed, Jan 26, 2022 at 7:58 PM Laurent Pinchart wrote: > > On Wed, Jan 26, 2022 at 01:18:56PM +0100, Geert Uytterhoeven wrote: > > > On Wed, Dec 29, 2021 at 8:31 PM Laurent Pinchart wrote: > > > > The Mitsubishi AA1024XD12 panel can be used for R-Car Gen2 and Gen3 > > > > boards as an optional external panel. It is described in the > > > > arm/boot/dts/r8a77xx-aa104xd12-panel.dtsi file as a direct child of the > > > > DT root node. This allows including r8a77xx-aa104xd12-panel.dtsi in > > > > board device trees, with other minor modifications, to enable the panel. > > > > > > > > This is however not how external components should be modelled. Instead > > > > of modifying the board device tree to enable the panel, it should be > > > > compiled as a DT overlay, to be loaded by the boot loader. > > > > > > > > Prepare the r8a77xx-aa104xd12-panel.dtsi file for this usage by > > > > declaring a panel node only, without hardcoding its path. Overlay > > > > sources can then include r8a77xx-aa104xd12-panel.dtsi where appropriate. > > > > > > > > This change doesn't cause any regression as r8a77xx-aa104xd12-panel.dtsi > > > > is currently unused. As overlay support for this panel has only been > > > > tested with Gen3 hardware, and Gen2 support will require more > > > > development, move the file to arch/arm64/boot/dts/renesas/. > > > > > > > > Signed-off-by: Laurent Pinchart > > > I see you've reviewed the whole series. Can you pick it up ? > > I believe it depends on the removal of the empty endpoints, for which > we're waiting for feedback from Rob, IIRC? You're right. Let's wait some more time then. -- Regards, Laurent Pinchart