Sakari Ailus <sakari.ailus@xxxxxx> wrote on Thu [2015-Mar-26 00:57:36 +0200]: > 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@xxxxxx> > Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > --- > Documentation/devicetree/bindings/media/video-interfaces.txt | 6 ++++++ > 1 file changed, 6 insertions(+) > > 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. > I am interested in this functionality. But I do have the following question. If the lane-polarities property is not specified, shouldn't the relevant struct member (bus->lane_polarities[i]) be set to 0? Regards, Benoit > > Example > -- > 1.7.10.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-media" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
