coreboot-kgpe-d16/src/drivers/acpi/thermal_zone/Kconfig

config DRIVERS_ACPI_THERMAL_ZONE
	bool
	default n
	depends on HAVE_ACPI_TABLES
	help
	  Adds a chip driver that generates ACPI ThermalZones. See the chapter
	  on Thermal Management in the ACPI specification.
drivers/acpi: Add a chip driver to generate thermal zone Given the following device tree entry: chip drivers/acpi/thermal_zone register "description" = ""CPU"" use chrome_ec as temperature_controller register "sensor_id" = "0" register "polling_period" = "10" register "critical_temperature" = "91" register "passive_config" = "{ .temperature = 85, }" register "use_acpi1_thermal_zone_scope" = "true" device generic 0 on end end It will generate the following: Scope (\_TZ) { ThermalZone (TM00) { Name (_STR, "CPU") // _STR: Description String Name (_RTV, Zero) // _RTV: Relative Temperature Values Name (_TZP, 0x64) // _TZP: Thermal Zone Polling Name (_CRT, 0x0E39) // _CRT: Critical Temperature Name (_PSV, 0x0DFD) // _PSV: Passive Temperature Name (_PSL, Package (0x10) // _PSL: Passive List { \_SB.CP00, \_SB.CP01, \_SB.CP02, \_SB.CP03, \_SB.CP04, \_SB.CP05, \_SB.CP06, \_SB.CP07, \_SB.CP08, \_SB.CP09, }) Name (_TC1, 0x02) // _TC1: Thermal Constant 1 Name (_TC2, 0x05) // _TC2: Thermal Constant 2 Name (_TSP, 0x14) // _TSP: Thermal Sampling Period Method (_TMP, 0, Serialized) // _TMP: Temperature { Return (\_SB.PCI0.LPCB.EC0.CREC.TMP (Zero)) } } } BUG=b:186166365 TEST=Boot guybrush to OS and verify thermal zone works Signed-off-by: Raul E Rangel <rrangel@chromium.org> Change-Id: Iee2a42db749f18eef6c3f73cdbb3441567301e5d Reviewed-on: https://review.coreboot.org/c/coreboot/+/54132 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com> 2021-05-13 01:03:40 +02:00			`config DRIVERS_ACPI_THERMAL_ZONE`
			`bool`
			`default n`
			`depends on HAVE_ACPI_TABLES`
			`help`
			`Adds a chip driver that generates ACPI ThermalZones. See the chapter`
			`on Thermal Management in the ACPI specification.`