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-rw-r--r--dts/Bindings/media/rcar_vin.txt54
1 files changed, 37 insertions, 17 deletions
diff --git a/dts/Bindings/media/rcar_vin.txt b/dts/Bindings/media/rcar_vin.txt
index a19517e..2f42005 100644
--- a/dts/Bindings/media/rcar_vin.txt
+++ b/dts/Bindings/media/rcar_vin.txt
@@ -21,7 +21,9 @@ on Gen3 platforms to a CSI-2 receiver.
- "renesas,vin-r8a7794" for the R8A7794 device
- "renesas,vin-r8a7795" for the R8A7795 device
- "renesas,vin-r8a7796" for the R8A7796 device
+ - "renesas,vin-r8a77965" for the R8A77965 device
- "renesas,vin-r8a77970" for the R8A77970 device
+ - "renesas,vin-r8a77995" for the R8A77995 device
- "renesas,rcar-gen2-vin" for a generic R-Car Gen2 or RZ/G1 compatible
device.
@@ -37,30 +39,51 @@ Additionally, an alias named vinX will need to be created to specify
which video input device this is.
The per-board settings Gen2 platforms:
- - port sub-node describing a single endpoint connected to the vin
- as described in video-interfaces.txt[1]. Only the first one will
- be considered as each vin interface has one input port.
+
+- port - sub-node describing a single endpoint connected to the VIN
+ from external SoC pins as described in video-interfaces.txt[1].
+ 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.
+ - data-enable-active: polarity of CLKENB signal, see [1] for
+ description. Default is active high.
The per-board settings Gen3 platforms:
Gen3 platforms can support both a single connected parallel input source
-from external SoC pins (port0) and/or multiple parallel input sources
-from local SoC CSI-2 receivers (port1) depending on SoC.
+from external SoC pins (port@0) and/or multiple parallel input sources
+from local SoC CSI-2 receivers (port@1) depending on SoC.
- renesas,id - ID number of the VIN, VINx in the documentation.
- ports
- - port 0 - sub-node describing a single endpoint connected to the VIN
- from external SoC pins described in video-interfaces.txt[1].
- Describing more then one endpoint in port 0 is invalid. Only VIN
- instances that are connected to external pins should have port 0.
- - port 1 - sub-nodes describing one or more endpoints connected to
+ - port@0 - sub-node describing a single endpoint connected to the VIN
+ 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.
- - Endpoint 0 - sub-node describing the endpoint connected to CSI20
- - Endpoint 1 - sub-node describing the endpoint connected to CSI21
- - Endpoint 2 - sub-node describing the endpoint connected to CSI40
- - Endpoint 3 - sub-node describing the endpoint connected to CSI41
+ - endpoint@0 - sub-node describing the endpoint connected to CSI20
+ - endpoint@1 - sub-node describing the endpoint connected to CSI21
+ - 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
--------------------------------------
@@ -107,9 +130,6 @@ Board setup example for Gen2 platforms (vin1 composite video input)
status = "okay";
port {
- #address-cells = <1>;
- #size-cells = <0>;
-
vin1ep0: endpoint {
remote-endpoint = <&adv7180>;
bus-width = <8>;