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config SCMI_FIRMWARE
bool "Enable SCMI support"
select FIRMWARE
select OF_TRANSLATE
depends on SANDBOX || DM_MAILBOX || ARM_SMCCC || OPTEE
help
System Control and Management Interface (SCMI) is a communication
protocol that defines standard interfaces for power, performance
and system management. The SCMI specification is available at
https://developer.arm.com/architectures/system-architectures/software-standards/scmi
An SCMI agent communicates with a related SCMI server firmware
located in another sub-system, as a companion micro controller
or a companion host in the CPU system.
Communications between agent (client) and the SCMI server are
based on message exchange. Messages can be exchanged over transport
channels as a mailbox device or an Arm SMCCC service with some
piece of identified shared memory.
config SCMI_AGENT_MAILBOX
bool "Enable SCMI agent mailbox"
depends on SCMI_FIRMWARE && DM_MAILBOX
default y
help
Enable the SCMI communication channel based on mailbox
for compatible "arm,scmi".
config SCMI_AGENT_SMCCC
bool "Enable SCMI agent SMCCC"
depends on SCMI_FIRMWARE && ARM_SMCCC
default y
help
Enable the SCMI communication channel based on Arm SMCCC service for
compatible "arm,scmi-smc".
config SCMI_AGENT_OPTEE
bool "Enable SCMI agent OP-TEE"
depends on SCMI_FIRMWARE && OPTEE
default y
help
Enable the SCMI communication channel based on OP-TEE transport
for compatible "linaro,scmi-optee".
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