Hi Jassi,
> > + The doorbell channels should be used with shared memory and
> protocol
> > + level acknowledgment if needed.
> > +
> I would avoid this. People might get notions that they have to use shmem
> with doorbell -- a trivial protocol might mean doing some fixed action (like
> reset) whenever the doorbell rings.
>
That's right.
i.MX8 using the general purpose interrupt for peripherals. No shmem needed.
e.g. RTC, Watchdog and ON/OFF interrupt.
BTW, this means the peripheral will use mailbox doorbell channels to handle
Interrupts. Is there such user case in kernel we can refer to?
>
> > +Optional properties:
> > +-------------------
> > +- clocks : phandle to the input clock.
> > +- fsl,mu-side-b : Should be set for side B MU.
> >
> Nit: can we call this 'fsl,no-init' ?
Fsl,mu-side-b is more describing HW.
Regards
Dong Aisheng
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