]> git.baikalelectronics.ru Git - kernel.git/commit
cpufreq: arm_big_little: add vexpress SPC interface driver
authorSudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
Tue, 29 Oct 2013 12:18:39 +0000 (12:18 +0000)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Tue, 29 Oct 2013 23:48:26 +0000 (00:48 +0100)
commit4baecfe895f48b0e43da8d5d7db1c38ff033690e
treeb191ae170496778588b34c8150015a7ac353d6a1
parent447069ba6fc4a45a795643f6652271b5d9d7d5e4
cpufreq: arm_big_little: add vexpress SPC interface driver

The TC2(i.e. CA15_A7) Versatile Express has external Cortex M3 based
power controller which is responsible for CPU DVFS and SPC provides
the interface for the same.

This patch adds a tiny interface driver to check if OPPs are
initialised by SPC platform code and register the arm_big_little
cpufreq driver.

Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/cpufreq/Kconfig.arm
drivers/cpufreq/Makefile
drivers/cpufreq/vexpress-spc-cpufreq.c [new file with mode: 0644]