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=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 A4508C55178 for ; Thu, 5 Nov 2020 22:28:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 59BB52078E for ; Thu, 5 Nov 2020 22:28:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604615297; bh=7ry/LtJOtoceOJt/yLTi4Djrg95ataZ9tKtcinbYHMM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=xHQhxS4eQwSh00zRI9HfaRuN/98R2VfDrwOJ3hu3pi7Ot9D3U3S5rnrvZ+jiATEYF SDRGx07TyubrS9pGrSjZVYZg769+0MzLdI/5zECAG/GB4ZgbuypMPc6i9YzAiAPMCm nHyWYV1takQALZB9v1Au0Cjaus7bIpZpLJwsKpSI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732293AbgKEW2Q (ORCPT ); Thu, 5 Nov 2020 17:28:16 -0500 Received: from mail-ot1-f68.google.com ([209.85.210.68]:37582 "EHLO mail-ot1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726729AbgKEW2P (ORCPT ); Thu, 5 Nov 2020 17:28:15 -0500 Received: by mail-ot1-f68.google.com with SMTP id l36so2959621ota.4; Thu, 05 Nov 2020 14:28:15 -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; bh=HAB4TfB3OG5D83YaeTiy/sDYe1f16TcNEMvC+v0nD1E=; b=UfmI1MgEVcB/0L/9zulZWcuxVxvgL7nmGk8PdJduF6i0GgrpipEXXMmNP4STMQuRlM lT5hoDKhg9DmB4FTHWVDLfxUfrMBmbiEI/abTu5LOafrmjY3UWS1my9jCffLVJM/J+Vo 9HJUv8O9XNpW9uHu089am320jmjBNPMJzV6tJNXf6ZcvYH8e25kWmg7geNqu7lt3tn3F i/zkNn9RQqSNZn0WAotfNzsbfmTTBRMo58YPa76EGOCrQGojKLNFkxL7Awa99qH06K3z z95GgD32bIbaqXYcm4r8qCxTuHWrs1zj6Z1QXZiRLUqd1szHSGgoKVFtw4134TQ3mTjk ss2g== X-Gm-Message-State: AOAM5333fG4fLzjrGyB9DSsFd9l+mq2mYDQ6ky5aB5KgsSE1o6zaEJyu d7f0JwJNJFWSzCBX1SykDA== X-Google-Smtp-Source: ABdhPJxYhbRjqk86zYy6aUoBiL/gprHxtyRj1prSv8IZnbJiDbQwuuV5tw+1saXj7G4H/i1LuT0TIg== X-Received: by 2002:a9d:682:: with SMTP id 2mr3291412otx.317.1604615294791; Thu, 05 Nov 2020 14:28:14 -0800 (PST) Received: from xps15 (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id v10sm633636otq.69.2020.11.05.14.28.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Nov 2020 14:28:14 -0800 (PST) Received: (nullmailer pid 1915203 invoked by uid 1000); Thu, 05 Nov 2020 22:28:13 -0000 Date: Thu, 5 Nov 2020 16:28:13 -0600 From: Rob Herring To: Hugues Fruchet Cc: Alexandre Torgue , linux-kernel@vger.kernel.org, Alain Volmat , linux-stm32@st-md-mailman.stormreply.com, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Mauro Carvalho Chehab , Rob Herring , Yannick Fertre , Hans Verkuil , Philippe CORNU , Sakari Ailus Subject: Re: [PATCH v5 2/4] media: dt-bindings: media: st, stm32-dcmi: add support of BT656 bus Message-ID: <20201105222813.GA1915114@bogus> References: <1604511132-4014-1-git-send-email-hugues.fruchet@st.com> <1604511132-4014-3-git-send-email-hugues.fruchet@st.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1604511132-4014-3-git-send-email-hugues.fruchet@st.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 04 Nov 2020 18:32:10 +0100, Hugues Fruchet wrote: > Add support of BT656 embedded synchronization bus mode in DCMI driver. > Add "bus-type" property and make it required so that there is no > ambiguity between parallel mode (bus-type=5) and BT656 mode (bus-type=6). > BT656 mode allows to save hardware synchro lines hsync & vsync by replacing > them with synchro codes embedded in data stream, hence hsync-active & > vsync-active properties are useless in this mode. > With DCMI, BT656 bus mode is only compatible with 8 bits width data bus. > > Signed-off-by: Hugues Fruchet > --- > .../devicetree/bindings/media/st,stm32-dcmi.yaml | 38 ++++++++++++++++++++++ > 1 file changed, 38 insertions(+) > Reviewed-by: Rob Herring