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+rene...@ragnatech.se> > > --- > * 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> > -- > 2.19.1 >
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