Re: [PATCH v3 1/2] dt-bindings: can: m_can: add out-band-wakeup property

From: Conor Dooley

Date: Mon Aug 24 2026 - 12:59:48 EST


On Fri, Aug 21, 2026 at 02:05:11PM -0500, Kendall Willis wrote:
> On 17:45-20260821, Conor Dooley wrote:
> > On Fri, Aug 21, 2026 at 11:07:00AM -0500, Kendall Willis wrote:
> > > Add the out-band-wakeup property as a possible property. The property
> > > indicates that the device can wakeup the system even when its power
> > > domain is off.
> > >
> > > Signed-off-by: Kendall Willis <k-willis@xxxxxx>
> > > ---
> > > Documentation/devicetree/bindings/net/can/bosch,m_can.yaml | 2 ++
> > > 1 file changed, 2 insertions(+)
> > >
> > > diff --git a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
> > > index 2c9d37975bedd652b3060ab11ba75c37565edaad..0663beaa532bcc4a71cd6ad01520a4dfea294d0c 100644
> > > --- a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
> > > +++ b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
> > > @@ -150,6 +150,8 @@ properties:
> > > description:
> > > List of phandles to system idle states in which mcan can wakeup the system.
> > >
> > > + out-band-wakeup: true
> >
> > Where is "-wakeup" defined genericly, or out-band-wakeup defined that
> > you're getting the property definition from?
>
> I sent a PR to define out-band-wakeup in the wakeup-source.yaml binding
> in dt-schema repo. I figured it made more sense to be defined in the
> wakeup-source.yaml binding to allow other drivers the option to use it.
>
> dt-schema PR:
> https://github.com/devicetree-org/dt-schema/pull/205

This sounds like something you should be able to determine from
device specific compatibles for these platforms. Not sure why they are
not used for this particular device, but this is an indication to me
that that is a mistake.

Cheers,
Conor.

>
> >
> > > +
> > > required:
> > > - compatible
> > > - reg
> > >
> > > --
> > > 2.34.1
> > >

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