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=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 3A9DEC433E9 for ; Fri, 8 Jan 2021 09:49:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E612E23435 for ; Fri, 8 Jan 2021 09:49:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728129AbhAHJtl (ORCPT ); Fri, 8 Jan 2021 04:49:41 -0500 Received: from new1-smtp.messagingengine.com ([66.111.4.221]:48347 "EHLO new1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726683AbhAHJtk (ORCPT ); Fri, 8 Jan 2021 04:49:40 -0500 Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailnew.nyi.internal (Postfix) with ESMTP id 32FB75805D1; Fri, 8 Jan 2021 04:48:34 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute6.internal (MEProxy); Fri, 08 Jan 2021 04:48:34 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cerno.tech; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:content-transfer-encoding:in-reply-to; s=fm1; bh=T ytH3TW5ntRxZ1LpTYSljem0k/W8jkP4F1c3fUJ+HnI=; b=W3F2qLClKz+EIUHj1 pv70rfj99kjHw5cSQWbB+HijiNCWpzhjGi5yptuS//finB4rRnYVI0LrJ8SvHTr2 +5MGi5cR+C4GWr5anRTBVMif4V3TfDelToTBfAfeLKMXaF8HHA3VUKHhLbsfwp/c xqoOT+jB7EIMAoWSWuHfdQ3G96SOepw8okwkDXI5F+mcPr5yGgJ2jxXDfIZSzurt v7RU568SvVs2/kckacscI/Y8816G7pIqGywlrAyxBZIXRKijQ+gXnAed/K/Sfd/M UuPeCCL/XXliHSR/mg4Z6UL2Z04aZhG+vKYIN0fvQQXCiahlKovIOZZJYJQtfGkl 3D1Ug== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; bh=TytH3TW5ntRxZ1LpTYSljem0k/W8jkP4F1c3fUJ+H nI=; b=dvLWvQnc+tGYtY5Ktw5Nv60Z2gEzvnYGdAeKcKrfgM3yB0w1DA2nMjMWb 87srFgfXi0KPy/XIT2aFkW+L2SNm0UO3lz4BjhcurLhQMwpuD4EUdtEd6iEGgF0X aPcwwkj5NoRVDyJglif8E3HUsqDq5EkWSvqqbi8kjF+FaZfGZ/GzlmQMOTB9iuf7 Iabaou+nUWZ9bVn/a4iXu+A7H+b6l7St8dJJleUVEAWRwqroAegdVyD6ePS4RvuV MjReMwNCOdoP+2sDSFGbrQn87RBWVB9fIjnKFcjeL71kds928Rsb33eOagBzUTuC XQDT0VVEKD9Rhc1p6UtSWcMQiUOhQ== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedujedrvdeggedgtdekucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfhfgggtugfgjgesthhqredttddtvdenucfhrhhomhepofgrgihi mhgvucftihhprghrugcuoehmrgigihhmvgestggvrhhnohdrthgvtghhqeenucggtffrrg htthgvrhhnpefgjeettdejgffgffdvteeutdehtdehgeehueetkeefgefhtdetjeekledu gedvudenucfkphepledtrdekledrieekrdejieenucevlhhushhtvghrufhiiigvpedtne curfgrrhgrmhepmhgrihhlfhhrohhmpehmrgigihhmvgestggvrhhnohdrthgvtghh X-ME-Proxy: Received: from localhost (lfbn-tou-1-1502-76.w90-89.abo.wanadoo.fr [90.89.68.76]) by mail.messagingengine.com (Postfix) with ESMTPA id AF09D108005C; Fri, 8 Jan 2021 04:48:31 -0500 (EST) Date: Fri, 8 Jan 2021 10:48:30 +0100 From: Maxime Ripard To: Paul Kocialkowski Cc: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, devel@driverdev.osuosl.org, linux-sunxi@googlegroups.com, Yong Deng , Mauro Carvalho Chehab , Rob Herring , Chen-Yu Tsai , Jernej Skrabec , Jonathan Corbet , Kishon Vijay Abraham I , Vinod Koul , Helen Koike , Dafna Hirschfeld , Greg Kroah-Hartman , Philipp Zabel , Sakari Ailus , Hans Verkuil , Thomas Petazzoni , kevin.lhopital@hotmail.com, Rob Herring Subject: Re: [PATCH v4 06/15] dt-bindings: media: sun6i-a31-csi: Add MIPI CSI-2 input port Message-ID: <20210108094830.6cmuelnraxjpgmaf@gilmour> References: <20201231142948.3241780-1-paul.kocialkowski@bootlin.com> <20201231142948.3241780-7-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: <20201231142948.3241780-7-paul.kocialkowski@bootlin.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 31, 2020 at 03:29:39PM +0100, Paul Kocialkowski wrote: > The A31 CSI controller supports two distinct input interfaces: > parallel and an external MIPI CSI-2 bridge. The parallel interface > is often connected to a set of hardware pins while the MIPI CSI-2 > bridge is an internal FIFO-ish link. As a result, these two inputs > are distinguished as two different ports. >=20 > Note that only one of the two may be present on a controller instance. > For example, the V3s has one controller dedicated to MIPI-CSI2 and one > dedicated to parallel. >=20 > Update the binding with an explicit ports node that holds two distinct > port nodes: one for parallel input and one for MIPI CSI-2. >=20 > This is backward-compatible with the single-port approach that was > previously taken for representing the parallel interface port, which > stays enumerated as fwnode port 0. >=20 > Note that additional ports may be added in the future, especially to > support feeding the CSI controller's output to the ISP. >=20 > Signed-off-by: Paul Kocialkowski > Reviewed-by: Rob Herring Reviewed-by: Maxime Ripard Maxime 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=-8.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,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 6E08BC433E0 for ; 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Fri, 8 Jan 2021 04:48:31 -0500 (EST) Date: Fri, 8 Jan 2021 10:48:30 +0100 From: Maxime Ripard To: Paul Kocialkowski Subject: Re: [PATCH v4 06/15] dt-bindings: media: sun6i-a31-csi: Add MIPI CSI-2 input port Message-ID: <20210108094830.6cmuelnraxjpgmaf@gilmour> References: <20201231142948.3241780-1-paul.kocialkowski@bootlin.com> <20201231142948.3241780-7-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201231142948.3241780-7-paul.kocialkowski@bootlin.com> X-BeenThere: driverdev-devel@linuxdriverproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Driver Project Developer List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dafna Hirschfeld , linux-doc@vger.kernel.org, linux-sunxi@googlegroups.com, Thomas Petazzoni , kevin.lhopital@hotmail.com, devel@driverdev.osuosl.org, Rob Herring , Jonathan Corbet , Kishon Vijay Abraham I , Chen-Yu Tsai , Hans Verkuil , linux-media@vger.kernel.org, devicetree@vger.kernel.org, Sakari Ailus , Helen Koike , Rob Herring , Yong Deng , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, Jernej Skrabec , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, Vinod Koul , Philipp Zabel Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" On Thu, Dec 31, 2020 at 03:29:39PM +0100, Paul Kocialkowski wrote: > The A31 CSI controller supports two distinct input interfaces: > parallel and an external MIPI CSI-2 bridge. The parallel interface > is often connected to a set of hardware pins while the MIPI CSI-2 > bridge is an internal FIFO-ish link. As a result, these two inputs > are distinguished as two different ports. > > Note that only one of the two may be present on a controller instance. > For example, the V3s has one controller dedicated to MIPI-CSI2 and one > dedicated to parallel. > > Update the binding with an explicit ports node that holds two distinct > port nodes: one for parallel input and one for MIPI CSI-2. > > This is backward-compatible with the single-port approach that was > previously taken for representing the parallel interface port, which > stays enumerated as fwnode port 0. > > Note that additional ports may be added in the future, especially to > support feeding the CSI controller's output to the ISP. > > Signed-off-by: Paul Kocialkowski > Reviewed-by: Rob Herring Reviewed-by: Maxime Ripard Maxime _______________________________________________ devel mailing list devel@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel 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=-9.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,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 0EF88C433DB for ; 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Fri, 8 Jan 2021 04:48:31 -0500 (EST) Date: Fri, 8 Jan 2021 10:48:30 +0100 From: Maxime Ripard To: Paul Kocialkowski Subject: Re: [PATCH v4 06/15] dt-bindings: media: sun6i-a31-csi: Add MIPI CSI-2 input port Message-ID: <20210108094830.6cmuelnraxjpgmaf@gilmour> References: <20201231142948.3241780-1-paul.kocialkowski@bootlin.com> <20201231142948.3241780-7-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201231142948.3241780-7-paul.kocialkowski@bootlin.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210108_044834_646853_35B6D056 X-CRM114-Status: GOOD ( 13.74 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dafna Hirschfeld , linux-doc@vger.kernel.org, linux-sunxi@googlegroups.com, Thomas Petazzoni , kevin.lhopital@hotmail.com, devel@driverdev.osuosl.org, Jonathan Corbet , Kishon Vijay Abraham I , Chen-Yu Tsai , Hans Verkuil , linux-media@vger.kernel.org, devicetree@vger.kernel.org, Sakari Ailus , Helen Koike , Rob Herring , Yong Deng , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, Jernej Skrabec , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, Vinod Koul , Philipp Zabel Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Dec 31, 2020 at 03:29:39PM +0100, Paul Kocialkowski wrote: > The A31 CSI controller supports two distinct input interfaces: > parallel and an external MIPI CSI-2 bridge. The parallel interface > is often connected to a set of hardware pins while the MIPI CSI-2 > bridge is an internal FIFO-ish link. As a result, these two inputs > are distinguished as two different ports. > > Note that only one of the two may be present on a controller instance. > For example, the V3s has one controller dedicated to MIPI-CSI2 and one > dedicated to parallel. > > Update the binding with an explicit ports node that holds two distinct > port nodes: one for parallel input and one for MIPI CSI-2. > > This is backward-compatible with the single-port approach that was > previously taken for representing the parallel interface port, which > stays enumerated as fwnode port 0. > > Note that additional ports may be added in the future, especially to > support feeding the CSI controller's output to the ISP. > > Signed-off-by: Paul Kocialkowski > Reviewed-by: Rob Herring Reviewed-by: Maxime Ripard Maxime _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel