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cpufreq: arm_big_little: add SPCI interface driver
authorSudeep Holla <sudeep.holla@arm.com>
Thu, 8 May 2014 16:47:48 +0000 (17:47 +0100)
committerSudeep Holla <sudeep.holla@arm.com>
Mon, 2 Jun 2014 17:20:22 +0000 (18:20 +0100)
commita744dd0a45942ffc99ae39a125f6d796a670533b
tree008fad3c63524d95d21370b706874cf11fc85e50tree | snapshot
parent95868f92fadcc92eda5848722eccd750d53ac92fcommit | diff
cpufreq: arm_big_little: add SPCI interface driver

On some ARM based systems, a separate Cortex-M based System Control
Processor(SCP) provides the overall power, clock, reset and system
control including CPU DVFS. SCPI Message Protocol is used to
communicate with the SCPI.

This patch adds a interface driver for adding OPPs and registering
the arm_big_little cpufreq driver for such systems.

Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
drivers/cpufreq/Kconfig.arm diff | blob | history
drivers/cpufreq/Makefile diff | blob | history
drivers/cpufreq/scpi-cpufreq.c [new file with mode: 0644] blob
Domain: System / Kernel;