On Mon, Nov 05, 2018 at 09:41:06AM +0100, jacopo mondi wrote: > Hi Niklas, > > On Fri, Nov 02, 2018 at 05:00:06PM +0100, 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+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. > > > > Re-vamping my ignored comment on v2, I still think you should list here the > accepted values for each TX as they're actually a property of the hw > device itself. > > Required endpoint properties: > - data-lanes: See "video-interfaces.txt" for description. The property > is mandatory for CSI-2 output endpoints and the accepted value > depends on which endpoint the property is applied to: > - TXA: accepted values are <1>, <2>, <4> > - TXB: accepted value is <1> +1 Rob
