Messages in this thread | | | Date | Tue, 30 Sep 2014 09:25:42 -0700 | From | Bjorn Andersson <> | Subject | Re: [PATCH v7 1/3] mfd: devicetree: bindings: Add Qualcomm RPM DT binding |
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On Tue 30 Sep 09:02 PDT 2014, Kumar Gala wrote:
> > On Sep 30, 2014, at 10:28 AM, Bjorn Andersson <Bjorn.Andersson@sonymobile.com> wrote: > > > On Wed 24 Sep 09:39 PDT 2014, Kumar Gala wrote: > > > >> > >> On Sep 22, 2014, at 6:25 PM, Bjorn Andersson <Bjorn.Andersson@sonymobile.com> wrote: > >> > > > > [..] > > > >>> diff --git a/Documentation/devicetree/bindings/mfd/qcom-rpm.txt b/Documentation/devicetree/bindings/mfd/qcom-rpm.txt > > > > [..] > > > >>> +- qcom,ipc: > >>> + Usage: required > >>> + Value type: <prop-encoded-array> > >>> + > >>> + Definition: three entries specifying the outgoing ipc bit used for > >>> + signaling the RPM: > >>> + - phandle to a syscon node representing the apcs registers > >>> + - u32 representing offset to the register within the syscon > >>> + - u32 representing the ipc bit within the register > >>> + > >> > >> Does this really ever differ for the SoCs, and even if it does why do we need > >> to encode it in DT. Can’t we determine it via the compatible setting? > >> > > > > The two offsets could be hard coded, especially based on the compatible. > > > > But I don't know if it's worth respinning this just to get those two number out > > of here. Also this is now "symmetric" with the smd use cases, where it > > shouldn't be hard coded. > > I do think its worth respinning until the DT is agreed to as we shouldn’t > be changing the binding. >
Correct, if there's valid reason for it.
> I’m not sure how being ‘symmetric’ with the smd use case maters if > we are treating this RPM support vs RPM-SMD as two different things. >
Not rpm-smd but smd. Which is also used on family a and uses the same kpss-gcc (or apcs) node as rpm for outgoing ipc on those platforms.
Regards, Bjorn -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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