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)
committerLiviu Dudau <Liviu.Dudau@arm.com>
Mon, 12 May 2014 12:27:44 +0000 (13:27 +0100)
commit94701556002a81ed121a9baefc47ea289aeea05d
tree2850f77a7ac746cc6b1bfe476919918c15db5e70
parent2c3640821d1c135ea0f8db80b5cac3fd2b4be58f
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
drivers/cpufreq/Makefile
drivers/cpufreq/scpi-cpufreq.c [new file with mode: 0644]