To differentiate between two classes of chip packages that have
different numbers of input ports.

Signed-off-by: Ulrich Hecht <ulrich.hecht+rene...@gmail.com>
---
 Documentation/devicetree/bindings/media/i2c/adv7180.txt | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/i2c/adv7180.txt 
b/Documentation/devicetree/bindings/media/i2c/adv7180.txt
index 4da486f..552b6a8 100644
--- a/Documentation/devicetree/bindings/media/i2c/adv7180.txt
+++ b/Documentation/devicetree/bindings/media/i2c/adv7180.txt
@@ -6,6 +6,8 @@ digital interfaces like MIPI CSI-2 or parallel video.
 Required Properties :
 - compatible : value must be one of
                "adi,adv7180"
+               "adi,adv7180cp"
+               "adi,adv7180st"
                "adi,adv7182"
                "adi,adv7280"
                "adi,adv7280-m"
@@ -15,6 +17,19 @@ Required Properties :
                "adi,adv7282"
                "adi,adv7282-m"
 
+Device nodes of "adi,adv7180cp" and "adi,adv7180st" must contain one
+'port' child node per device input and output port, in accordance with the
+video interface bindings defined in
+Documentation/devicetree/bindings/media/video-interfaces.txt. The port
+nodes are numbered as follows.
+
+  Port         adv7180cp       adv7180st
+-------------------------------------------------------------------
+  Input                0-2             0-5
+  Output       3               6
+
+The digital output port node must contain at least one endpoint.
+
 Optional Properties :
 - powerdown-gpios: reference to the GPIO connected to the powerdown pin,
   if any.
-- 
2.7.4

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