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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id i82sm4612225oif.33.2020.12.14.15.12.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Dec 2020 15:12:32 -0800 (PST) Received: (nullmailer pid 2557998 invoked by uid 1000); Mon, 14 Dec 2020 23:12:31 -0000 Date: Mon, 14 Dec 2020 17:12:31 -0600 From: Rob Herring To: Paul Kocialkowski Subject: Re: [PATCH v3 06/15] dt-bindings: media: sun6i-a31-csi: Add MIPI CSI-2 input port Message-ID: <20201214231231.GA2555279@robh.at.kernel.org> References: <20201211155708.154710-1-paul.kocialkowski@bootlin.com> <20201211155708.154710-7-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201211155708.154710-7-paul.kocialkowski@bootlin.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201214_181234_287514_26313994 X-CRM114-Status: GOOD ( 18.53 ) 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 , Maxime Ripard , 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 Fri, 11 Dec 2020 16:56:59 +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 > --- > .../media/allwinner,sun6i-a31-csi.yaml | 88 ++++++++++++++++--- > 1 file changed, 75 insertions(+), 13 deletions(-) > Reviewed-by: Rob Herring Though, it may need updating to use video-interfaces and graph schemas[1] depending what lands first. [1] https://lore.kernel.org/linux-devicetree/20201210211625.3070388-4-robh@kernel.org/ _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel