Re: [PATCH v3 04/10] dt-bindings: soc: qcom: Add AOSS QMP binding

Bjorn Andersson
2019-01-22T19:25:43Z

On Tue 22 Jan 11:04 PST 2019, Stephen Boyd wrote:

> Quoting Bjorn Andersson (2019-01-21 21:51:06)
> > Add binding for the QMP based side-channel communication mechanism to
> > the AOSS, which is used to control resources not exposed through the
> > RPMh interface.
> >
> > Reviewed-by: Rob Herring <robh@kernel.org>
> > Reviewed-by: Stephen Boyd <swboyd@chromium.org>
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> > ---
> >
> > Changes since v2:
> > - Update indentation of example
> > - Add colling device subnodes to the description
> >
> > .../bindings/soc/qcom/qcom,aoss-qmp.txt | 75 +++++++++++++++++++
> > include/dt-bindings/power/qcom-aoss-qmp.h | 15 ++++
> > 2 files changed, 90 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.txt
> > create mode 100644 include/dt-bindings/power/qcom-aoss-qmp.h
> >
> > diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.txt
> > new file mode 100644
> > index 000000000000..881dc8c7907a
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.txt
> > @@ -0,0 +1,75 @@
> > +Qualcomm Always-On Subsystem side channel binding
> > +
> > +This binding describes the hardware component responsible for side channel
> > +requests to the always-on subsystem (AOSS), used for certain power management
> > +requests that is not handled by the standard RPMh interface. Each client in the
> > +SoC has it's own block of message RAM and IRQ for communication with the AOSS.
> > +The protocol used to communicate in the message RAM is known as QMP.
>
> Just curious if QMP is "Qualcomm Messaging Protocol"? I don't think it's
> ever spelled out in this patchset.
>

I believe that is the case, would you like me to spell it out?