Re: [PATCH] arm64: dts: imx{91,93}-phyboard-segin: Add peb-av-18 overlay

[Frank Li]

On Fri, Apr 03, 2026 at 10:29:00AM +0200, Florijan Plohl wrote:
> Hello,
>
> On 4/2/26 15:50, Frank Li wrote:
> > On Thu, Apr 02, 2026 at 09:08:26AM +0200, Florijan Plohl wrote:
> > > Add overlay for the PEB-AV-18 adapter on phyBOARD-Segin-i.MX91/93.
> > what's means PEB-AV-18? Is it random board name?
> The PEB-AV-18 is PHYTEC designation for Audio/Video adapter modules that can
> be used to connect displays on their boards.
>
> I will improve commit message to add more such information in v2.
>
> >
> >
> > > The supported LCD is Powertip PH800480T032-ZHC19 panel (AC220).
> > >
> > > Signed-off-by: Florijan Plohl <florijan.plohl@xxxxxxxxx>
> > > ---
> > >   arch/arm64/boot/dts/freescale/Makefile        |   4 +
> > >   .../imx91-phyboard-segin-peb-av-18.dtso       | 142 ++++++++++++++++++
> > >   .../imx93-phyboard-segin-peb-av-18.dtso       | 142 ++++++++++++++++++
> > Any difference between 91 and 93, can use one overlay file?
> >
> > Frank
>
> Can you suggest how to do so?
>
> There are imx93-pinfunc.h and imx91-pinfunc.h which are not unified
> between imx91 and imx93.

I suggest move pinmux setting to mainboard's dts files, which provide
plug adaptor header, signal should be descripted in mainboard's dts file,
which provide an unified label to overlay file.

Frank

>
> So we can only create common dtsi like so:
>
> imx91-93-phyboard-segin-peb-av-18.dtsi
>
> and still use separate dtsos:
>
> imx91-phyboard-segin-peb-av-18.dtso
> imx93-phyboard-segin-peb-av-18.dtso
>
> Is that your idea?
>
> BR,
>
> Florijan Plohl
>
> > > --
> > > 2.43.0
> > >