diff options
Diffstat (limited to 'board/brya/sensors.c')
| -rw-r--r-- | board/brya/sensors.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/board/brya/sensors.c b/board/brya/sensors.c index bb51eb245b..4dffe00d7c 100644 --- a/board/brya/sensors.c +++ b/board/brya/sensors.c @@ -7,6 +7,7 @@ #include "adc_chip.h" #include "temp_sensor.h" +#include "thermal.h" #include "thermistor.h" /* ADC configuration */ @@ -44,3 +45,54 @@ const struct temp_sensor_t temp_sensors[] = { }, }; BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); + +/* + * TODO(b/180681346): update for Alder Lake/brya + * + * Tiger Lake specifies 100 C as maximum TDP temperature. THRMTRIP# occurs at + * 130 C. However, sensor is located next to DDR, so we need to use the lower + * DDR temperature limit (85 C) + */ +static const struct ec_thermal_config thermal_cpu = { + .temp_host = { + [EC_TEMP_THRESH_HIGH] = C_TO_K(70), + [EC_TEMP_THRESH_HALT] = C_TO_K(80), + }, + .temp_host_release = { + [EC_TEMP_THRESH_HIGH] = C_TO_K(65), + }, + .temp_fan_off = C_TO_K(35), + .temp_fan_max = C_TO_K(50), +}; + +/* + * TODO(b/180681346): update for Alder Lake/brya + * + * Inductor limits - used for both charger and PP3300 regulator + * + * Need to use the lower of the charger IC, PP3300 regulator, and the inductors + * + * Charger max recommended temperature 100C, max absolute temperature 125C + * PP3300 regulator: operating range -40 C to 145 C + * + * Inductors: limit of 125c + * PCB: limit is 80c + */ +static const struct ec_thermal_config thermal_inductor = { + .temp_host = { + [EC_TEMP_THRESH_HIGH] = C_TO_K(75), + [EC_TEMP_THRESH_HALT] = C_TO_K(80), + }, + .temp_host_release = { + [EC_TEMP_THRESH_HIGH] = C_TO_K(65), + }, + .temp_fan_off = C_TO_K(40), + .temp_fan_max = C_TO_K(55), +}; + +/* this should really be "const" */ +struct ec_thermal_config thermal_params[] = { + [TEMP_SENSOR_1_DDR_SOC] = thermal_cpu, + [TEMP_SENSOR_2_CHARGER] = thermal_inductor, +}; +BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT); |