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 depends on INTEL_PMT_TELEMETRY 11 help 12 The Intel Platform Controller Hub for Intel Core SoCs provides access 13 to Power Management Controller registers via various interfaces. This 14 driver can utilize debugging capabilities and supported features as 15 exposed by the Power Management Controller. It also may perform some 16 tasks in the PMC in order to enable transition into the SLPS0 state. 17 It should be selected on all Intel platforms supported by the driver. 18 19 Supported features: 20 - SLP_S0_RESIDENCY counter 21 - PCH IP Power Gating status 22 - LTR Ignore / LTR Show 23 - MPHY/PLL gating status (Sunrisepoint PCH only) 24 - SLPS0 Debug registers (Cannonlake/Icelake PCH) 25 - Low Power Mode registers (Tigerlake and beyond) 26 - PMC quirks as needed to enable SLPS0/S0ix 27