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+renesas@xxxxxxxxxxxx> --- * Changes since v2 - Update paragraph according to Laurents comments. --- Documentation/devicetree/bindings/media/i2c/adv748x.txt | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/media/i2c/adv748x.txt b/Documentation/devicetree/bindings/media/i2c/adv748x.txt index 5dddc95f9cc46084..bffbabc879efd86c 100644 --- a/Documentation/devicetree/bindings/media/i2c/adv748x.txt +++ b/Documentation/devicetree/bindings/media/i2c/adv748x.txt @@ -48,7 +48,9 @@ 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. Ports are optional if they are not connected to anything at the hardware level. -- 2.19.1