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=-7.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 EBF6DC43387 for ; Fri, 11 Jan 2019 12:47:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9822620872 for ; Fri, 11 Jan 2019 12:47:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="isVxM0LA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731558AbfAKMrS (ORCPT ); Fri, 11 Jan 2019 07:47:18 -0500 Received: from perceval.ideasonboard.com ([213.167.242.64]:54634 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728122AbfAKMrS (ORCPT ); Fri, 11 Jan 2019 07:47:18 -0500 Received: from [192.168.0.21] (cpc89242-aztw30-2-0-cust488.18-1.cable.virginm.net [86.31.129.233]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 7FFFE513; Fri, 11 Jan 2019 13:47:14 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1547210834; bh=rep05dS62++hb+z8m0qZ/iJa0WZoRIa2116z6pqkRSA=; h=Reply-To:Subject:To:Cc:References:From:Date:In-Reply-To:From; b=isVxM0LAHBLrUmORIo3TIT+dc5hd/TILIZ9TuzYgEHBiIzMFVTm0em7qNOxuw1xdK u+v9KY3o1K27aga0KV0U10cky9qPB2UFg88VTTSl2cw7Q0NPAKtqIuoWdK6wwwP73O w6SuIWAmZODtDrXi9CcE55mtntds9JGF1CHy+KvU= Reply-To: kieran.bingham@ideasonboard.com Subject: Re: [PATCH v4 1/4] dt-bindings: adv748x: make data-lanes property mandatory for CSI-2 endpoints To: =?UTF-8?Q?Niklas_S=c3=b6derlund?= , Laurent Pinchart , Jacopo Mondi , linux-media@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, Rob Herring , devicetree@vger.kernel.org References: <20181129020147.22115-1-niklas.soderlund+renesas@ragnatech.se> <20181129020147.22115-2-niklas.soderlund+renesas@ragnatech.se> From: Kieran Bingham Openpgp: preference=signencrypt Autocrypt: addr=kieran.bingham@ideasonboard.com; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <20181129020147.22115-2-niklas.soderlund+renesas@ragnatech.se> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 8bit Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Hi Niklas, Thank you for this series. On 29/11/2018 02:01, Niklas Söderlund wrote: > The CSI-2 transmitters can use a different number of lanes to transmit > data. Make the data-lanes mandatory for the endpoints that describe the > transmitters as no good default can be set to fallback on. > > Signed-off-by: Niklas Söderlund Reviewed-by: Kieran Bingham > > --- > * Changes since v3 > - Add paragraph to describe the accepted values for the source endpoint > data-lane property. Thanks Jacopo for pointing this out and sorry for > missing this in v2. > * Changes since v2 > - Update paragraph according to Laurents comments. > --- > .../devicetree/bindings/media/i2c/adv748x.txt | 11 ++++++++++- > 1 file changed, 10 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/media/i2c/adv748x.txt b/Documentation/devicetree/bindings/media/i2c/adv748x.txt > index 5dddc95f9cc46084..4f91686e54a6b939 100644 > --- a/Documentation/devicetree/bindings/media/i2c/adv748x.txt > +++ b/Documentation/devicetree/bindings/media/i2c/adv748x.txt > @@ -48,7 +48,16 @@ are numbered as follows. > TXA source 10 > TXB source 11 > > -The digital output port nodes must contain at least one endpoint. > +The digital output port nodes, when present, shall contain at least one > +endpoint. Each of those endpoints shall contain the data-lanes property as > +described in video-interfaces.txt. > + > +Required source endpoint properties: > + - data-lanes: an array of physical data lane indexes > + The accepted value(s) for this property depends on which of the two > + sources are described. For TXA 1, 2 or 4 data lanes can be described > + while for TXB only 1 data lane is valid. See video-interfaces.txt > + for detailed description. > > Ports are optional if they are not connected to anything at the hardware level. > > -- Regards -- Kieran