Hi Laurent, On Sat, May 11, 2019 at 11:07 PM Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> 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> > Reviewed-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx> > --- > .../bindings/display/bridge/thine,thc63lvd1024.txt | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.txt b/Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.txt > index 37f0c04d5a28..d17d1e5820d7 100644 > --- a/Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.txt > +++ b/Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.txt > @@ -28,6 +28,12 @@ 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. This describes single/dual input. Does single/dual output need to be described, too? BTW, I see the second input/output set is optional, wile the first set is required. Could it happen the hardware is wired for the second set only? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds