[PATCH v2 02/10] dt-bindings: display: bridge: thc63lvd1024: Document dual-link operation

[Geert Uytterhoeven]

Hi Laurent,

On Sat, May 11, 2019 at 11:07 PM Laurent Pinchart
<laurent.pinchart+renesas at ideasonboard.com> 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 at ideasonboard.com>
> Reviewed-by: Jacopo Mondi <jacopo+renesas at jmondi.org>
> ---
>  .../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 at 1: Second LVDS input port
>  - port at 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 at 0, and port at 1 shall not contain any
> +endpoint. In dual-link mode, even-numbered pixels are received on port at 0 and
> +odd-numbered pixels on port at 1, and both port at 0 and port at 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 at linux-m68k.org

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