On Fri, Feb 14, 2020 at 08:52:18AM +0100, Maxime Ripard wrote:
> > > This will create a spurious warning message for TCON1, since we
> > > adjusted the driver to tell it supports LVDS, but there's no LVDS
> > > reset line, so we need to make it finer grained.
> >
> > Yes, I can attribute two of the messages in my dmesg log [1] to this
> > ("Missing LVDS properties" and "LVDS output disabled". "sun4i-tcon
> > 1c0d000.lcd-controller" is indeed tcon1). And yes, I can see how they
> > can be confusing to someone.
> >
> > I'd need some pointers on how to deal with that though (if we want to do
> > it in this scope).
>
> Like I was mentionning, you could introduce a new compatible for each
> TCON (tcon0 and tcon1) and only set the support_lvds flag for tcon0
Can you give me an idea how that compatible might look like?
tcon0: lcd-controller@1c0c000 {
compatible = "allwinner,sun7i-a20-tcon", "allwinner,lvds";
or
tcon0: lcd-controller@1c0c000 {
compatible = "allwinner,sun7i-a20-tcon", "allwinner,tcon0";
? Or something completely different?
--
Andrey Lebedev aka -.- . -.. -.. . .-.
Software engineer
Homepage: http://lebedev.lt/
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