From 3ab7801dfab998a2d1fba38b578bcaede4c9fcf3 Mon Sep 17 00:00:00 2001 From: Jacopo Mondi Date: Mon, 9 Jul 2018 10:19:17 -0400 Subject: [PATCH] media: dt-bindings: media: rcar-vin: Describe optional ep properties MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Describe the optional endpoint properties for endpoint nodes of the R-Car VIN interface device tree bindings documentation. Signed-off-by: Jacopo Mondi Acked-by: Niklas Söderlund Reviewed-by: Rob Herring Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- .../devicetree/bindings/media/rcar_vin.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/Documentation/devicetree/bindings/media/rcar_vin.txt b/Documentation/devicetree/bindings/media/rcar_vin.txt index 39c4e6a0485d..b41086340018 100644 --- a/Documentation/devicetree/bindings/media/rcar_vin.txt +++ b/Documentation/devicetree/bindings/media/rcar_vin.txt @@ -45,6 +45,17 @@ The per-board settings Gen2 platforms: Only the first one will be considered as each vin interface has one input port. + - Optional properties for endpoint nodes: + - hsync-active: see [1] for description. Default is active high. + - vsync-active: see [1] for description. Default is active high. + If both HSYNC and VSYNC polarities are not specified, embedded + synchronization is selected. + - field-active-even: see [1] for description. Default is active high. + - bus-width: see [1] for description. The selected bus width depends on + the SoC type and selected input image format. + Valid values are: 8, 10, 12, 16, 24 and 32. + - data-shift: see [1] for description. Valid values are 0 and 8. + The per-board settings Gen3 platforms: Gen3 platforms can support both a single connected parallel input source @@ -57,6 +68,10 @@ from local SoC CSI-2 receivers (port@1) depending on SoC. from external SoC pins as described in video-interfaces.txt[1]. Describing more than one endpoint in port@0 is invalid. Only VIN instances that are connected to external pins should have port@0. + + Endpoint nodes of port@0 support the optional properties listed in + the Gen2 per-board settings description. + - port@1 - sub-nodes describing one or more endpoints connected to the VIN from local SoC CSI-2 receivers. The endpoint numbers must use the following schema. @@ -66,6 +81,8 @@ from local SoC CSI-2 receivers (port@1) depending on SoC. - endpoint@2 - sub-node describing the endpoint connected to CSI40 - endpoint@3 - sub-node describing the endpoint connected to CSI41 + Endpoint nodes of port@1 do not support any optional endpoint property. + Device node example for Gen2 platforms -------------------------------------- -- GitLab