1*fa082a7cSKate Hsuan# SPDX-License-Identifier: GPL-2.0 2*fa082a7cSKate Hsuan# 3*fa082a7cSKate Hsuan# Intel x86 Platform-Specific Drivers 4*fa082a7cSKate Hsuan# 5*fa082a7cSKate Hsuan 6*fa082a7cSKate Hsuanconfig INTEL_PMC_CORE 7*fa082a7cSKate Hsuan tristate "Intel PMC Core driver" 8*fa082a7cSKate Hsuan depends on PCI 9*fa082a7cSKate Hsuan depends on ACPI 10*fa082a7cSKate Hsuan help 11*fa082a7cSKate Hsuan The Intel Platform Controller Hub for Intel Core SoCs provides access 12*fa082a7cSKate Hsuan to Power Management Controller registers via various interfaces. This 13*fa082a7cSKate Hsuan driver can utilize debugging capabilities and supported features as 14*fa082a7cSKate Hsuan exposed by the Power Management Controller. It also may perform some 15*fa082a7cSKate Hsuan tasks in the PMC in order to enable transition into the SLPS0 state. 16*fa082a7cSKate Hsuan It should be selected on all Intel platforms supported by the driver. 17*fa082a7cSKate Hsuan 18*fa082a7cSKate Hsuan Supported features: 19*fa082a7cSKate Hsuan - SLP_S0_RESIDENCY counter 20*fa082a7cSKate Hsuan - PCH IP Power Gating status 21*fa082a7cSKate Hsuan - LTR Ignore / LTR Show 22*fa082a7cSKate Hsuan - MPHY/PLL gating status (Sunrisepoint PCH only) 23*fa082a7cSKate Hsuan - SLPS0 Debug registers (Cannonlake/Icelake PCH) 24*fa082a7cSKate Hsuan - Low Power Mode registers (Tigerlake and beyond) 25*fa082a7cSKate Hsuan - PMC quirks as needed to enable SLPS0/S0ix 26