Re: [PATCH 1/1] dt-bindings: soc: imx: add fsl,aipi-bus and fsl,emi-bus

[Frank Li]

On Thu, Feb 12, 2026 at 12:59:45PM +0100, Krzysztof Kozlowski wrote:
> On Wed, Feb 11, 2026 at 05:19:35PM -0500, Frank Li wrote:
> > Add fsl,aipi-bus and fsl,emi-bus for i.MX1, i.MX2*.
> >
> > Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
> > ---
> >  Documentation/devicetree/bindings/bus/fsl,spba-bus.yaml | 4 ++++
> >  1 file changed, 4 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/bus/fsl,spba-bus.yaml b/Documentation/devicetree/bindings/bus/fsl,spba-bus.yaml
> > index 00bbde203f598..4808065fc9115 100644
> > --- a/Documentation/devicetree/bindings/bus/fsl,spba-bus.yaml
> > +++ b/Documentation/devicetree/bindings/bus/fsl,spba-bus.yaml
> > @@ -26,8 +26,10 @@ select:
> >      compatible:
> >        contains:
> >          enum:
> > +          - fsl,aipi-bus
> >            - fsl,aips
> >            - fsl,emi
> > +          - fsl,emi-bus
> >            - fsl,spba-bus
> >    required:
> >      - compatible
> > @@ -39,8 +41,10 @@ properties:
> >    compatible:
> >      items:
> >        - enum:
> > +          - fsl,aipi-bus
> >            - fsl,aips
> >            - fsl,emi
> > +          - fsl,emi-bus
>
> Why exactly? There is already emi, although not in my next, so don't do
> it per one compatible.
>
> https://lore.kernel.org/all/20260201011913.2419626-1-Frank.Li@xxxxxxx/

It is really old chips. some mx3/5 use fsl,emi. but imx2 use fsl,emi-bus.
it is not used in current kernel source. Consider it is really old, over
20 years, Just allow it to avoid CHECK_DTBS warning.

Frank

>
> >            - fsl,spba-bus
> >        - const: simple-bus
> >
> > --
> > 2.43.0
> >