Re: [PATCH 1/1] dt-bindings: mfd: da9052: allow dlg,da9053-aa fallback to dlg,da9052

[Frank Li <Frank.li@oss.nxp.com>]

On Thu, Sep 03, 2026 at 11:58:35AM +0200, Krzysztof Kozlowski wrote:
> On Mon, Aug 31, 2026 at 04:15:21PM -0400, Frank.Li@oss.nxp.com wrote:
> > From: Frank Li <Frank.Li@nxp.com>
> >
> > Allow dlg,da9053-aa fallback to dlg,da9052 to fix legacy platform (> 10
> > years) check_dtbs warnings:
> >   arch/arm/boot/dts/nxp/imx/imx53-voipac-bsb.dtb: dialog@48 (dlg,da9053-aa): compatible: ['dlg,da9053-aa', 'dlg,da9052'] is too long
> >         from schema $id: http://devicetree.org/schemas/mfd/dlg,da9052.yaml
> >
> > Signed-off-by: Frank Li <Frank.Li@nxp.com>
> > ---
> > Previous try drop dlg,da9052 at
> > https://lore.kernel.org/imx/20260404-thoughtful-placid-boobook-da26da@quoll/
> >
> > but Krzy have concern about compablity.
> >
> > https://lore.kernel.org/imx/20251107-matrimony-showdown-ba6ce6996b2f@spud/
> >
> > Conor prefer update old dts.
> > ---
> >  Documentation/devicetree/bindings/mfd/dlg,da9052.yaml | 4 ++++
> >  1 file changed, 4 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/mfd/dlg,da9052.yaml b/Documentation/devicetree/bindings/mfd/dlg,da9052.yaml
> > index 1103a8cc5cea4..d1d23c7c4d0c2 100644
> > --- a/Documentation/devicetree/bindings/mfd/dlg,da9052.yaml
> > +++ b/Documentation/devicetree/bindings/mfd/dlg,da9052.yaml
> > @@ -18,6 +18,10 @@ properties:
> >            - dlg,da9053-bb
> >            - dlg,da9053-bc
> >            - dlg,da9052
> > +      - items:
> > +          - enum:
> > +              - dlg,da9053-aa
> > +          - const: dlg,da9052
>
> ... and the dlg,da9053-aa alone from earlier enum should be removed and
> existing DTS corrected.

there are dlg,da9053-aa alone at arch/arm/boot/dts/nxp/imx/imx53-ppd.dts.

Mix use both because it is too old.

Frank

>
> Best regards,
> Krzysztof
>