Re: [PATCH v1 04/11] ARM: dts: imx6ul: Add Variscite audio codec files

[Stefano Radaelli]

On Fri, Sep 25, 2026 at 09:58:44AM -0500, Frank Li wrote:
> On Fri, Sep 25, 2026 at 04:02:21PM +0200, Stefano Radaelli wrote:
> > From: Stefano Radaelli <stefano.r@xxxxxxxxxxxxx>
> >
> > Add separate DTSI files for the WM8904 and WM8731 audio options on
> > VAR-SOM-6UL and DART-6UL modules.
> >
> > Put each codec node, the SAI2 setup and its pinctrl in the selected
> > audio DTSI. This makes the WM8904 option explicit instead of placing
> > it in the shared module base.
> >
> > Signed-off-by: Stefano Radaelli <stefano.r@xxxxxxxxxxxxx>
> > ---
> >  .../imx/imx6ul-imx6ull-var-dart-wm8731.dtsi   | 71 +++++++++++++++
> >  .../imx/imx6ul-imx6ull-var-dart-wm8904.dtsi   | 88 +++++++++++++++++++
> >  .../imx/imx6ul-imx6ull-var-som-wm8731.dtsi    | 71 +++++++++++++++
> >  .../imx/imx6ul-imx6ull-var-som-wm8904.dtsi    | 85 ++++++++++++++++++
> 
> what's difference between imx6ul-imx6ull-var-som-wm8904.dtsi and
> imx6ul-imx6ull-var-dart-wm8904.dtsi?
> 
> Frank
> 
Hi Frank!
Thank you for taking the time to review this huge patch.

The difference is in simple-audio-card,routing:
on DART-6UL, the microphone jack is routed to IN2L, IN2R and MICBIAS;
those routes are absent on VAR-SOM-6UL.

Best Regards,
Stefano