On Tue, Sep 09, 2025 at 11:05:24PM -0300, Fabio Estevam wrote: > mx6sl.dtsi and imx6sll.dtsi have the following lcdif entries: > > compatible = "fsl,imx6sl-lcdif", "fsl,imx28-lcdif"; > > This causes dt-schema warnings as the current binding only > allow 'fsl,imx6sx-lcdif' as fallback. > > ['fsl,imx6sl-lcdif', 'fsl,imx28-lcdif'] is too long > ['fsl,imx6sll-lcdif', 'fsl,imx28-lcdif'] is too long > > The imx6sx-lcdif programming model has more advanced features, such > as overlay plane and the CRC32 support than the imx28-lcdif IP. > > Expand the imx6sl/imx6sll lcdif fallbacks to accept a less specific > fsl,imx28-lcdif fallback: > > compatible = "fsl,imx6sl-lcdif", "fsl,imx6sx-lcdif", "fsl,imx28-lcdif";
Anyway, you change dts. If you change dts as compatible = "fsl,imx6sl-lcdif", "fsl,imx6sx-lcdif"; needn't update binding here. Frank > > This helps keeping DT compatibility as well as using the more advanced > lcdif features found on imx6sl and imx6sll. > > Signed-off-by: Fabio Estevam <feste...@gmail.com> > Acked-by: Rob Herring (Arm) <r...@kernel.org> > Reviewed-by: Ahmad Fatoum <a.fat...@pengutronix.de> > --- > Documentation/devicetree/bindings/display/fsl,lcdif.yaml | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/display/fsl,lcdif.yaml > b/Documentation/devicetree/bindings/display/fsl,lcdif.yaml > index ce31b873fb95..d665f3241e97 100644 > --- a/Documentation/devicetree/bindings/display/fsl,lcdif.yaml > +++ b/Documentation/devicetree/bindings/display/fsl,lcdif.yaml > @@ -23,14 +23,18 @@ properties: > - fsl,imx93-lcdif > - items: > - enum: > - - fsl,imx6sl-lcdif > - - fsl,imx6sll-lcdif > - fsl,imx6ul-lcdif > - fsl,imx7d-lcdif > - fsl,imx8mm-lcdif > - fsl,imx8mn-lcdif > - fsl,imx8mq-lcdif > - const: fsl,imx6sx-lcdif > + - items: > + - enum: > + - fsl,imx6sl-lcdif > + - fsl,imx6sll-lcdif > + - const: fsl,imx6sx-lcdif > + - const: fsl,imx28-lcdif > - items: > - enum: > - fsl,imx6sx-lcdif > -- > 2.34.1 >
