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[v1.1,12/15] dt: bindings: Add lane-polarity property to endpoint nodes

Message ID 1426889226-18080-1-git-send-email-sakari.ailus@iki.fi (mailing list archive)
State New, archived
Headers show

Commit Message

Sakari Ailus March 20, 2015, 10:07 p.m. UTC 
Add lane-polarity property to endpoint nodes. This essentially tells that
the order of the differential signal wires is inverted.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
since v1:

- Rename lane-polarity property as lane-polarities.

 Documentation/devicetree/bindings/media/video-interfaces.txt |    6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/media/video-interfaces.txt b/Documentation/devicetree/bindings/media/video-interfaces.txt
index 571b4c6..9cd2a36 100644
--- a/Documentation/devicetree/bindings/media/video-interfaces.txt
+++ b/Documentation/devicetree/bindings/media/video-interfaces.txt
@@ -106,6 +106,12 @@  Optional endpoint properties
 - link-frequencies: Allowed data bus frequencies. For MIPI CSI-2, for
   instance, this is the actual frequency of the bus, not bits per clock per
   lane value. An array of 64-bit unsigned integers.
+- lane-polarities: an array of polarities of the lanes starting from the clock
+  lane and followed by the data lanes in the same order as in data-lanes.
+  Valid values are 0 (normal) and 1 (inverted). The length of the array
+  should be the combined length of data-lanes and clock-lanes properties.
+  If the lane-polarities property is omitted, the value must be interpreted
+  as 0 (normal). This property is valid for serial busses only.
 
 
 Example