[PATCH v3 04/10] dt-bindings: display: renesas: lvds: Add renesas, companion property

[Sam Ravnborg]

Hi Laurent.

> > 
> > The main difference is "when dual-link mode is supported".
> > As per my understanding this property is only relevant when the actual
> > HW supports / uses dual-link mode.
> > So for a board that do not even wire up dual-link, then setting the
> > property would be confusing.
> 
> That's not quite correct. The property shall be specified when the SoC
> supports dual-link mode (which is the case for the D3 and E3 SoCs only),
> regardless of whether the board is wired up in single-link or dual-link
> mode. Selection of the mode is performed at runtime by looking at the
> requirements of the LVDS sink, not based on the companion property in
> DT. The renesas,companion property is thus SoC-specific, but not
> board-specific.
Thanks for taking your time to clarify this.

	Sam