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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 40C2CC433E6 for ; Fri, 28 Aug 2020 17:58:07 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2152820776 for ; Fri, 28 Aug 2020 17:58:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2152820776 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ravnborg.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6C1756E500; Fri, 28 Aug 2020 17:58:06 +0000 (UTC) Received: from asavdk3.altibox.net (asavdk3.altibox.net [109.247.116.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4D7E46E500 for ; Fri, 28 Aug 2020 17:58:04 +0000 (UTC) Received: from ravnborg.org (unknown [188.228.123.71]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by asavdk3.altibox.net (Postfix) with ESMTPS id 10DFE201BD; Fri, 28 Aug 2020 19:58:00 +0200 (CEST) Date: Fri, 28 Aug 2020 19:57:59 +0200 From: Sam Ravnborg To: Kevin Tang Subject: Re: [PATCH RFC v6 1/6] dt-bindings: display: add Unisoc's drm master bindings Message-ID: <20200828175759.GB660103@ravnborg.org> References: <1595930879-2478-1-git-send-email-kevin3.tang@gmail.com> <1595930879-2478-2-git-send-email-kevin3.tang@gmail.com> <20200728202732.GB1277651@ravnborg.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CMAE-Score: 0 X-CMAE-Analysis: v=2.3 cv=CaYmGojl c=1 sm=1 tr=0 a=S6zTFyMACwkrwXSdXUNehg==:117 a=S6zTFyMACwkrwXSdXUNehg==:17 a=kj9zAlcOel0A:10 a=eyGgB6SCGB90EZ01wQQA:9 a=CjuIK1q_8ugA:10 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , David Airlie , Chunyan Zhang , "Linux-Kernel@Vger. Kernel. Org" , Rob Herring , ML dri-devel , Orson Zhai , Sean Paul Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hi Kevin. > > > > Any specific reason why this is not a ports node like used by many other > > display bindings? > > In other words - I think this is too simple. > We only support one display pipeline now, other interface, like > DP(DisplayPort), HDMI...will be add later... > > ports: > $ref: /schemas/types.yaml#/definitions/phandle-array > description: | > Should contain a list of phandles pointing to display interface port > of dpu devices.. dpu definitions as defined in > Documentation/devicetree/bindings/display/sprd/sprd,dpu.yaml There is nothing wrong having a ports node that is limited to a single port node. But please remember the binding describes the HW - so if the HW supports more than one port the binding should describe this. What the driver supports is not relevant for the binding. Sam _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel