On Mon, Apr 27, 2015 at 5:10 PM, Sudeep Holla <sudeep.ho...@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.ho...@arm.com> > Cc: Rob Herring <robh...@kernel.org> > Cc: Mark Rutland <mark.rutl...@arm.com> > CC: Jassi Brar <jassisinghb...@gmail.com> > Cc: Liviu Dudau <liviu.du...@arm.com> > Cc: Lorenzo Pieralisi <lorenzo.pieral...@arm.com> > Cc: Jon Medhurst (Tixy) <t...@linaro.org> > Cc: devicet...@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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
