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power: avs: Add support for CPR (Core Power Reduction)
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1 menuconfig POWER_AVS
2 bool "Adaptive Voltage Scaling class support"
3 help
4 AVS is a power management technique which finely controls the
5 operating voltage of a device in order to optimize (i.e. reduce)
6 its power consumption.
7 At a given operating point the voltage is adapted depending on
8 static factors (chip manufacturing process) and dynamic factors
9 (temperature depending performance).
10 AVS is also called SmartReflex on OMAP devices.
11
12 Say Y here to enable Adaptive Voltage Scaling class support.
13
14 config QCOM_CPR
15 tristate "QCOM Core Power Reduction (CPR) support"
16 depends on POWER_AVS
17 select PM_OPP
18 help
19 Say Y here to enable support for the CPR hardware found on Qualcomm
20 SoCs like MSM8916.
21
22 This driver populates CPU OPPs tables and makes adjustments to the
23 tables based on feedback from the CPR hardware. If you want to do
24 CPUfrequency scaling say Y here.
25
26 To compile this driver as a module, choose M here: the module will
27 be called qcom-cpr
28
29 config ROCKCHIP_IODOMAIN
30 tristate "Rockchip IO domain support"
31 depends on POWER_AVS && ARCH_ROCKCHIP && OF
32 help
33 Say y here to enable support io domains on Rockchip SoCs. It is
34 necessary for the io domain setting of the SoC to match the
35 voltage supplied by the regulators.