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 99E48C433FE for ; Thu, 31 Mar 2022 23:52:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232742AbiCaXyn (ORCPT ); Thu, 31 Mar 2022 19:54:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51490 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229912AbiCaXyn (ORCPT ); Thu, 31 Mar 2022 19:54:43 -0400 Received: from mail-ot1-f49.google.com (mail-ot1-f49.google.com [209.85.210.49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22B3224A8AE for ; Thu, 31 Mar 2022 16:52:54 -0700 (PDT) Received: by mail-ot1-f49.google.com with SMTP id k25-20020a056830151900b005b25d8588dbso1014005otp.4 for ; Thu, 31 Mar 2022 16:52:54 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=QtLleTaHCucGPsRaBTO86s6P+Sr59PZKXVV2CO1MOzI=; b=sQw2t01Upe1XnUSK1enNsrJFX/Y9Vj07eo+hb5znSxi8pEi3KCgI8G7SxHesEmnRjQ 34ULiadQej+2EAj+LOlEqiLKkR8X83SsCyMGKdtsresfi3N9kgvodaOhj/tnwGQxuaLP 9L+rZKLsxNeaUJELip6w1TkNigLhPvNZR+P/oVUJQqq7wGT/VGVGL4cFR3sgx8hxiTXO rvVOJbW4jFDMy/byYOllUTY63hw5gb9cQbraNinmLLr0epykQrY2JVu0z3k0LqzzTlSA BD3ZPgC0MDZ1MrwI6bW9v1+QZXUTPBCI8Ccm6zQJpPJ/3cI6mXsdYkFhQN7sZIfbnfMu uyPA== X-Gm-Message-State: AOAM5310LcVz6m5awPqi23RFFYvO4G7mjD7yKjFQXY9rEX3JF5groGh7 gOsLDOqvjbXBeweB8uEdmqhwAvGPxg== X-Google-Smtp-Source: ABdhPJyX8xvZxfDgWuF9nXNoW7PdIaVk5mK36vc6rmjM3if5pWl4svyYXlRWWFyKrZa+wn8F80OdFg== X-Received: by 2002:a9d:75cd:0:b0:5c9:61fa:3a42 with SMTP id c13-20020a9d75cd000000b005c961fa3a42mr6614511otl.15.1648770773424; Thu, 31 Mar 2022 16:52:53 -0700 (PDT) Received: from robh.at.kernel.org (66-90-144-107.dyn.grandenetworks.net. [66.90.144.107]) by smtp.gmail.com with ESMTPSA id e22-20020a9d5616000000b005ceb68be2f6sm280208oti.63.2022.03.31.16.52.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 31 Mar 2022 16:52:52 -0700 (PDT) Received: (nullmailer pid 1730141 invoked by uid 1000); Thu, 31 Mar 2022 23:52:52 -0000 Date: Thu, 31 Mar 2022 18:52:52 -0500 From: Rob Herring To: Maxime Ripard Cc: Neil Armstrong , Andrzej Hajda , Daniel Vetter , Rob Herring , David Airlie , devicetree@vger.kernel.org, Jagan Teki , Marek Vasut , Laurent Pinchart , Jernej Skrabec , Jonas Karlman , Robert Foss , Frank Rowand , dri-devel@lists.freedesktop.org Subject: Re: [PATCH] dt-bindings: display: bridge: Drop requirement on input port for DSI devices Message-ID: References: <20220323154823.839469-1-maxime@cerno.tech> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220323154823.839469-1-maxime@cerno.tech> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Wed, 23 Mar 2022 16:48:23 +0100, Maxime Ripard wrote: > MIPI-DSI devices, if they are controlled through the bus itself, have to > be described as a child node of the controller they are attached to. > > Thus, there's no requirement on the controller having an OF-Graph output > port to model the data stream: it's assumed that it would go from the > parent to the child. > > However, some bridges controlled through the DSI bus still require an > input OF-Graph port, thus requiring a controller with an OF-Graph output > port. This prevents those bridges from being used with the controllers > that do not have one without any particular reason to. > > Let's drop that requirement. > > Signed-off-by: Maxime Ripard > --- > .../devicetree/bindings/display/bridge/chipone,icn6211.yaml | 1 - > .../devicetree/bindings/display/bridge/toshiba,tc358762.yaml | 1 - > 2 files changed, 2 deletions(-) > I tend to agree with port@0 not being needed and really like consistency. Reviewed-by: Rob Herring