diff options
Diffstat (limited to 'src/mainboard/google/skyrim/variants/baseboard/devicetree.cb')
| -rw-r--r-- | src/mainboard/google/skyrim/variants/baseboard/devicetree.cb | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb b/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb index 3b7a6013ca..5548d8fbe6 100644 --- a/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb @@ -157,4 +157,58 @@ chip soc/amd/sabrina device i2c 50 on end end end + + # EC is configured to power off the system at 105C, so add a two degree + # buffer so the OS can gracefully shutdown. + # + # EC is configured to assert PROCHOT at 100C. That drastically lowers + # performance. Instead we will tell the OS to start throttling the CPUs + # at 95C in hopes that we don't hit the PROCHOT limit. + # + # We set use_acpi1_thermal_zone_scope because the Chrome ec.asl + # performs a `Notify` to the `_\TZ` scope. + chip drivers/acpi/thermal_zone + register "description" = ""Charger"" + use chrome_ec as temperature_controller + register "sensor_id" = "0" + register "polling_period" = "10" + register "critical_temperature" = "103" + register "passive_config.temperature" = "95" + register "use_acpi1_thermal_zone_scope" = "true" + + device generic 0 on end + end + chip drivers/acpi/thermal_zone + register "description" = ""Memory"" + use chrome_ec as temperature_controller + register "sensor_id" = "1" + register "polling_period" = "10" + register "critical_temperature" = "103" + register "passive_config.temperature" = "95" + register "use_acpi1_thermal_zone_scope" = "true" + + device generic 1 on end + end + chip drivers/acpi/thermal_zone + register "description" = ""CPU"" + use chrome_ec as temperature_controller + register "sensor_id" = "2" + register "polling_period" = "10" + register "critical_temperature" = "103" + register "passive_config.temperature" = "95" + register "use_acpi1_thermal_zone_scope" = "true" + + device generic 2 on end + end + chip drivers/acpi/thermal_zone + register "description" = ""SOC"" + use chrome_ec as temperature_controller + register "sensor_id" = "3" + register "polling_period" = "10" + register "critical_temperature" = "103" + register "passive_config.temperature" = "95" + register "use_acpi1_thermal_zone_scope" = "true" + + device generic 3 on end + end end # chip soc/amd/sabrina |