Hi Niklas,

Thank you for the patch.

On Thursday, 29 November 2018 04:01:44 EET Niklas Söderlund wrote:
> The CSI-2 transmitters can use a different number of lanes to transmit
> data. Make the data-lanes mandatory for the endpoints that describe the
> transmitters as no good default can be set to fallback on.
> 
> Signed-off-by: Niklas Söderlund <niklas.soderlund+rene...@ragnatech.se>

Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>

> ---
> * Changes since v3
> - Add paragraph to describe the accepted values for the source endpoint
>   data-lane property. Thanks Jacopo for pointing this out and sorry for
>   missing this in v2.
> * Changes since v2
> - Update paragraph according to Laurents comments.
> ---
>  .../devicetree/bindings/media/i2c/adv748x.txt         | 11 ++++++++++-
>  1 file changed, 10 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/adv748x.txt
> b/Documentation/devicetree/bindings/media/i2c/adv748x.txt index
> 5dddc95f9cc46084..4f91686e54a6b939 100644
> --- a/Documentation/devicetree/bindings/media/i2c/adv748x.txt
> +++ b/Documentation/devicetree/bindings/media/i2c/adv748x.txt
> @@ -48,7 +48,16 @@ are numbered as follows.
>         TXA           source          10
>         TXB           source          11
> 
> -The digital output port nodes must contain at least one endpoint.
> +The digital output port nodes, when present, shall contain at least one
> +endpoint. Each of those endpoints shall contain the data-lanes property as
> +described in video-interfaces.txt.
> +
> +Required source endpoint properties:
> +  - data-lanes: an array of physical data lane indexes
> +    The accepted value(s) for this property depends on which of the two
> +    sources are described. For TXA 1, 2 or 4 data lanes can be described
> +    while for TXB only 1 data lane is valid. See video-interfaces.txt
> +    for detailed description.
> 
>  Ports are optional if they are not connected to anything at the hardware
> level.


-- 
Regards,

Laurent Pinchart



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