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path: root/drivers/cpufreq/armada-37xx-cpufreq.c
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2018-07-18cpufreq: armada-37xx: Add AVS supportGregory CLEMENT
Armada 37xx supports Adaptive Voltage Scaling and thanks to this patch a voltage is associated to each load level. Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-05-10cpufreq: add suspend/resume support in Armada 37xx DVFS driverMiquel Raynal
Add suspend/resume hooks in Armada 37xx DVFS driver to handle S2RAM operations. As there is currently no 'driver' structure, create one to store both the regmap and the register values during suspend operation. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Tested-by: Gregory CLEMENT <gregory.clement@bootlin.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-05-10cpufreq: armada: Free resources on error pathsViresh Kumar
The resources weren't freed on failures, free them properly. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Tested-by: Miquel Raynal <miquel.raynal@bootlin.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-04-10cpufreq: armada-37xx: Fix clock leakGregory CLEMENT
There was no clk_put() balancing the clk_get(). This commit fixes it. Fixes: 92ce45fb875d (cpufreq: Add DVFS support for Armada 37xx) Cc: 4.16+ <stable@vger.kernel.org> # 4.16+ Reported-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-12-16cpufreq: Add DVFS support for Armada 37xxGregory CLEMENT
This patch adds DVFS support for the Armada 37xx SoCs There are up to four CPU frequency loads for Armada 37xx controlled by the hardware. This driver associates the CPU load level to a frequency, then the hardware will switch while selecting a load level. The hardware also can associate a voltage for each level (AVS support) but it is not yet supported Tested-by: Andre Heider <a.heider@gmail.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>