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SubjectRe: [PATCH v2 1/6] misc: dt-bindings: Add Qualcomm Fastrpc bindings
On Mon 10 Dec 03:17 PST 2018, Srinivas Kandagatla wrote:
> On 07/12/18 18:23, Mark Rutland wrote:
> > On Fri, Dec 07, 2018 at 04:35:08PM +0000, Srinivas Kandagatla wrote:
> > > diff --git a/Documentation/devicetree/bindings/misc/qcom,fastrpc.txt b/Documentation/devicetree/bindings/misc/qcom,fastrpc.txt
[..]
> > > +- reg
> > > + Usage: required
> > > + Value type: <u32>
> > > + Definition: DSP Processor ID.
> > > + Possible values are :
> > > + 0 - ADSP
> > > + 1 - MDSP
> > > + 2 - SDSP
> > > + 3 - CDSP
> >
> > Why is this in a reg?
>
> This is to identify which type of dsp(Audio/Modem/Sensor/Compute) it is,
> This information is used to create device nodes for user-space access.
>

But it does not represent FastRPC's address on the rpmsg bus. How about
replacing it with a "label" (or "qcom,domain" perhaps?) of type string?

Regards,
Bjorn

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