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authorSudeep Holla <sudeep.holla@arm.com>2015-03-30 10:59:52 +0100
committerSudeep Holla <sudeep.holla@arm.com>2015-09-28 11:53:37 +0100
commit8cb7cf56c9fe5412de238465b27ef35b4d2801aa (patch)
tree78be1df734b09924e6c34f0914af1ffea2145a9a /drivers/firmware/Kconfig
parent80f390ea5afdf7073bba0757b1eeb8d4f833398f (diff)
downloadlinux-8cb7cf56c9fe5412de238465b27ef35b4d2801aa.tar.bz2
firmware: add support for ARM System Control and Power Interface(SCPI) protocol
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. Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Reviewed-by: Jon Medhurst (Tixy) <tixy@linaro.org> Cc: Jassi Brar <jassisinghbrar@gmail.com> Cc: Liviu Dudau <Liviu.Dudau@arm.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Diffstat (limited to 'drivers/firmware/Kconfig')
-rw-r--r--drivers/firmware/Kconfig19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
index d8de6a8dd4de..800b7439606e 100644
--- a/drivers/firmware/Kconfig
+++ b/drivers/firmware/Kconfig
@@ -8,6 +8,25 @@ menu "Firmware Drivers"
config ARM_PSCI_FW
bool
+config ARM_SCPI_PROTOCOL
+ tristate "ARM System Control and Power Interface (SCPI) Message Protocol"
+ depends on ARM_MHU
+ help
+ System Control and Power Interface (SCPI) Message Protocol is
+ defined for the purpose of communication between the Application
+ Cores(AP) and the System Control Processor(SCP). The MHU peripheral
+ provides a mechanism for inter-processor communication between SCP
+ and AP.
+
+ SCP controls most of the power managament on the Application
+ Processors. It 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 library provides interface for all the client drivers
+ making use of the features offered by the SCP.
+
config EDD
tristate "BIOS Enhanced Disk Drive calls determine boot disk"
depends on X86