Messages in this thread | | | Date | Wed, 13 May 2015 22:22:41 +0530 | Subject | Re: [PATCH 1/4] mailbox: add support for System Control and Power Interface(SCPI) protocol | From | Jassi Brar <> |
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On Mon, Apr 27, 2015 at 5:10 PM, Sudeep Holla <sudeep.holla@arm.com> wrote: > This patch adds support for System Control and Power Interface (SCPI) > Message Protocol used between the Application Cores(AP) and the System > Control Processor(SCP). The MHU peripheral provides a mechanism for > inter-processor communication between SCP's M3 processor and AP. > > SCP offers control and management of the core/cluster power states, > various power domain DVFS including the core/cluster, certain system > clocks configuration, thermal sensors and many others. > > This protocol driver provides interface for all the client drivers using > SCPI to make use of the features offered by the SCP. > Is the SCPI specification available somewhere to look into?
> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> > Cc: Rob Herring <robh+dt@kernel.org> > Cc: Mark Rutland <mark.rutland@arm.com> > CC: Jassi Brar <jassisinghbrar@gmail.com> > Cc: Liviu Dudau <Liviu.Dudau@arm.com> > Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> > Cc: Jon Medhurst (Tixy) <tixy@linaro.org> > Cc: devicetree@vger.kernel.org > --- > .../devicetree/bindings/mailbox/arm,scpi.txt | 121 ++++ > drivers/mailbox/Kconfig | 19 + > drivers/mailbox/Makefile | 2 + > drivers/mailbox/scpi_protocol.c | 694 +++++++++++++++++++++ > Why in drivers/mailbox/ ? This is a 'consumer' driver and seems Juno(ARM) specific.
-Jassi
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