[PATCH 1/2] dt-bindings: display: imx: Add fsl,imx21-lcdc docs

[Rob Herring]

On Fri, Jan 28, 2022 at 06:58:29PM +0100, Uwe Kleine-König wrote:
> Hello Rob,
> 
> On Fri, Jan 28, 2022 at 07:04:10AM -0600, Rob Herring wrote:
> > On Fri, Jan 28, 2022 at 4:59 AM Uwe Kleine-König
> > <u.kleine-koenig at pengutronix.de> wrote:
> > >
> > > From: Marian Cichy <m.cichy at pengutronix.de>
> > >
> > > This files documents the device tree for the new imx21-lcdc DRM driver.
> > 
> > No, bindings document h/w and the h/w has not changed. We already have
> > a binding for the LCDC.
> 
> Just to be sure we're talking about the same thing: You're refering to
> Documentation/devicetree/bindings/display/imx/fsl,imx-fb.txt, right?

Looks right...

> I'm unsure what to do now. Should the two different bindings just be
> described in the same file? Should I stick to fsl,imx21-fb even for the
> new binding? (The hardware unit is named LCDC, so the name chosen here
> is the better one.) Please advise.

Yes, the name is unfortunate, but it should be 1 binding, 1 file, and 
unchanged (unless you want to add new optional properties). 

Rob