Re: [RFC 12/18] dt: bindings: Add lane-polarity property to endpoint nodes

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Hi Sakari,

Thank you for the patch.

(CC'ing Sylwester)

On Saturday 07 March 2015 23:41:09 Sakari Ailus wrote:
> 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>
> ---
>  Documentation/devicetree/bindings/media/video-interfaces.txt |    5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/media/video-interfaces.txt
> b/Documentation/devicetree/bindings/media/video-interfaces.txt index
> 571b4c6..058d1e6 100644
> --- a/Documentation/devicetree/bindings/media/video-interfaces.txt
> +++ b/Documentation/devicetree/bindings/media/video-interfaces.txt
> @@ -106,6 +106,11 @@ 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-polarity: 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).

Would it make sense to add #define's for this ?

> The length of the array
> +  should be the combined length of data-lanes and clock-lanes
> properties.
> +  This property is valid for serial busses only.

You should also document what happens when the property is omitted.

>  Example

-- 
Regards,

Laurent Pinchart

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