Intel Low Power Subsystem Support

selects

CONFIG_COMMON_CLK
CONFIG_PINCTRL
CONFIG_IOSF_MBI

depends

CONFIG_ACPI
CONFIG_PCI
CONFIG_X86

is selected by

CONFIG_SND_SOC_INTEL_SOF_PCM512x_MACH

modulename: clk-lpss-atom.ko

and/or

pmc_atom.ko
configname: CONFIG_X86_INTEL_LPSS

Linux Kernel Configuration

└─> Processor type and features

└─> Intel Low Power Subsystem Support

Select to build support for Intel Low Power Subsystem such as
found on Intel Lynxpoint PCH. Selecting this option enables
things like clock tree (common clock framework) and pincontrol
which are needed by the LPSS peripheral drivers.

source code:

drivers/clk/x86/