Intel Low Power Subsystem support in ACPI mode

modulename: intel-lpss-acpi.ko

configname: CONFIG_MFD_INTEL_LPSS_ACPI

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>Intel Low Power Subsystem support in ACPI mode
In linux kernel since version 4.1 (release Date: 2015-06-21)  
This driver supports Intel Low Power Subsystem (LPSS) devices such as
I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake
PCH) in ACPI mode.

source code:

depends
CONFIG_ACPI
CONFIG_HAS_IOMEM
CONFIG_X86