[v4,1/6] dt-bindings: media: rcar-vin: Describe optional ep properties

Commit Message

Jacopo Mondi June 12, 2018, 2:26 p.m. UTC

Describe the optional endpoint properties for endpoint nodes of port@0
and port@1 of the R-Car VIN driver device tree bindings documentation.

Signed-off-by: Jacopo Mondi <[e-mail]>
Acked-by: Niklas Söderlund <[e-mail]>
Reviewed-by: Rob Herring <[e-mail]>
---
 Documentation/devicetree/bindings/media/rcar_vin.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)

Patch

diff --git a/Documentation/devicetree/bindings/media/rcar_vin.txt b/Documentation/devicetree/bindings/media/rcar_vin.txt
index a19517e1..87f93ec 100644
--- a/Documentation/devicetree/bindings/media/rcar_vin.txt
+++ b/Documentation/devicetree/bindings/media/rcar_vin.txt
@@ -53,6 +53,14 @@  from local SoC CSI-2 receivers (port1) depending on SoC.
       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.
+
+      - Optional properties for endpoint nodes of port@0:
+        - 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.
+
     - 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.
@@ -62,6 +70,8 @@  from local SoC CSI-2 receivers (port1) 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
 --------------------------------------