Hi Jacopo, On Fri, Mar 08, 2019 at 05:49:25PM +0100, Jacopo Mondi wrote: > On Thu, Mar 07, 2019 at 01:23:35AM +0200, Laurent Pinchart wrote: > > The THC63LVD1024 LVDS decoder can operate in two modes, single-link or > > dual-link. In dual-link mode both input ports are used to carry even- > > and odd-numbered pixels separately. Document this in the DT bindings, > > along with the related rules governing port and usage. > > > > Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> > > --- > > .../bindings/display/bridge/thine,thc63lvd1024.txt | 7 +++++++ > > 1 file changed, 7 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.txt b/Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.txt > > index 37f0c04d5a28..4ff6eb9bbc19 100644 > > --- a/Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.txt > > +++ b/Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.txt > > @@ -28,6 +28,13 @@ Optional video port nodes: > > - port@1: Second LVDS input port > > - port@3: Second digital CMOS/TTL parallel output > > > > +The device can operate in single-link mode or dual-link mode. In single-link > > +mode, all pixels are received on port@0, and port@1 shall not contain any > > +endpoint. In dual-link mode, even-numbered pixels are received on port@0 and > > +odd-numbered pixels on port@1, and both port@0 and port@1 shall contain > > +endpoints. > > You know, I'm not sure this is helpful, as if we have to go and > describe what the chip supports, a paragraph for dual ouput mode would > be required as well. The bindings already document that the chip > supports single/dual input/output modes, maybe you can just add rules > that prescribes how to populate the endpoints, for both input and > output modes? That's what I was trying to do :-) How else would you like to see it described ? > > + > > + > > You can drop this empty line. > > > Example: > > -------- > > -- Regards, Laurent Pinchart