[PATCH v6 03/11] dt-bindings: video-interface: Expand rotation description

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Expand the 'rotation' property description to define the direction and
orientation of the axis around which the device mounting rotation is
expressed.

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Jacopo Mondi <jacopo@xxxxxxxxxx>
---
 .../devicetree/bindings/media/video-interfaces.txt        | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/media/video-interfaces.txt b/Documentation/devicetree/bindings/media/video-interfaces.txt
index 1211bdf80722..58b87a3f1fa4 100644
--- a/Documentation/devicetree/bindings/media/video-interfaces.txt
+++ b/Documentation/devicetree/bindings/media/video-interfaces.txt
@@ -85,9 +85,11 @@ Optional properties

 - lens-focus: A phandle to the node of the focus lens controller.

-- rotation: The device, typically an image sensor, is not mounted upright,
-  but a number of degrees counter clockwise. Typical values are 0 and 180
-  (upside down).
+- rotation: The mount rotation of the device (typically an image sensor)
+  expressed as counterclockwise rotation degrees along the axis perpendicular to
+  the device mounting surface directed away from it. Typical values are 0
+  degrees for upright mounted devices and 180 degrees for devices mounted upside
+  down.

 - location: The mount location of a device (typically an image sensor or a flash
   LED) expressed as a position relative to the usage orientation of the system
--
2.23.0




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