1# SPDX-License-Identifier: GPL-2.0 2# 3# Intel x86 Platform-Specific Drivers 4# 5 6config INTEL_PMC_CORE 7 tristate "Intel PMC Core driver" 8 depends on PCI 9 depends on ACPI 10 help 11 The Intel Platform Controller Hub for Intel Core SoCs provides access 12 to Power Management Controller registers via various interfaces. This 13 driver can utilize debugging capabilities and supported features as 14 exposed by the Power Management Controller. It also may perform some 15 tasks in the PMC in order to enable transition into the SLPS0 state. 16 It should be selected on all Intel platforms supported by the driver. 17 18 Supported features: 19 - SLP_S0_RESIDENCY counter 20 - PCH IP Power Gating status 21 - LTR Ignore / LTR Show 22 - MPHY/PLL gating status (Sunrisepoint PCH only) 23 - SLPS0 Debug registers (Cannonlake/Icelake PCH) 24 - Low Power Mode registers (Tigerlake and beyond) 25 - PMC quirks as needed to enable SLPS0/S0ix 26