diff options
| -rw-r--r-- | zephyr/include/cros/thermistor/thermistor.dtsi | 81 | ||||
| -rw-r--r-- | zephyr/program/corsola/starmie/project.overlay | 43 |
2 files changed, 124 insertions, 0 deletions
diff --git a/zephyr/include/cros/thermistor/thermistor.dtsi b/zephyr/include/cros/thermistor/thermistor.dtsi index fb86c4f79a..42eb07f483 100644 --- a/zephyr/include/cros/thermistor/thermistor.dtsi +++ b/zephyr/include/cros/thermistor/thermistor.dtsi @@ -386,4 +386,85 @@ sample-index = <12>; }; }; + + /omit-if-no-ref/ thermistor_1V8_100K_100K_4250B: + thermistor-1V9-100K-100K-4250B { + status = "disabled"; + compatible = "cros-ec,thermistor"; + scaling-factor = <7>; + num-pairs = <13>; + steinhart-reference-mv = <1800>; + steinhart-reference-res = <100000>; + + /* + * Data derived from Steinhart-Hart equation in a resistor + * divider circuit with Vdd=1800mV, R = 100Kohm, and thermistor + * (B = 4250, T0 = 357 K, nominal resistance (R0) = 100Kohm). + */ + sample-datum-0 { + milivolt = <(1406 / 7)>; + temp = <0>; + sample-index = <0>; + }; + sample-datum-1 { + milivolt = <(1219 / 7)>; + temp = <10>; + sample-index = <1>; + }; + sample-datum-2 { + milivolt = <(1007 / 7)>; + temp = <20>; + sample-index = <2>; + }; + sample-datum-3 { + milivolt = <(796 / 7)>; + temp = <30>; + sample-index = <3>; + }; + sample-datum-4 { + milivolt = <(606 / 7)>; + temp = <40>; + sample-index = <4>; + }; + sample-datum-5 { + milivolt = <( 449 / 7)>; + temp = <50>; + sample-index = <5>; + }; + sample-datum-6 { + milivolt = <( 327 / 7)>; + temp = <60>; + sample-index = <6>; + }; + sample-datum-7 { + milivolt = <( 237 / 7)>; + temp = <70>; + sample-index = <7>; + }; + sample-datum-8 { + milivolt = <( 172 / 7)>; + temp = <80>; + sample-index = <8>; + }; + sample-datum-9 { + milivolt = <( 147 / 7)>; + temp = <85>; + sample-index = <9>; + }; + sample-datum-10 { + milivolt = <( 125 / 7)>; + temp = <90>; + sample-index = <10>; + }; + sample-datum-11 { + milivolt = <( 107 / 7)>; + temp = <95>; + sample-index = <11>; + }; + sample-datum-12 { + milivolt = <( 92 / 7)>; + temp = <100>; + sample-index = <12>; + }; + }; }; diff --git a/zephyr/program/corsola/starmie/project.overlay b/zephyr/program/corsola/starmie/project.overlay index a4d69867a5..de79d92cdb 100644 --- a/zephyr/program/corsola/starmie/project.overlay +++ b/zephyr/program/corsola/starmie/project.overlay @@ -222,6 +222,39 @@ power-gpio-pin = <&pmic_ec_resetb>; }; }; + + named-adc-channels { + adc_temp_sensor_1: adc-temp-sensor-1 { + enum-name = "ADC_TEMP_SENSOR_1"; + io-channels = <&adc0 6>; + }; + adc_temp_sensor_2: adc-temp-sensor-2 { + enum-name = "ADC_TEMP_SENSOR_2"; + io-channels = <&adc0 7>; + }; + }; + + temp_sensor_1_thermistor: sensor-1-thermistor { + compatible = "cros-ec,temp-sensor-thermistor"; + thermistor = <&thermistor_1V8_100K_100K_4250B>; + adc = <&adc_temp_sensor_1>; + }; + + temp_sensor_2_thermistor: sensor-2-thermistor { + compatible = "cros-ec,temp-sensor-thermistor"; + thermistor = <&thermistor_1V8_100K_100K_4250B>; + adc = <&adc_temp_sensor_2>; + }; + + named-temp-sensors { + compatible = "cros-ec,temp-sensors"; + temp_sensor_1 { + sensor = <&temp_sensor_1_thermistor>; + }; + temp_sensor_2 { + sensor = <&temp_sensor_2_thermistor>; + }; + }; }; &i2c0{ @@ -236,3 +269,13 @@ reg = <0x10>; }; }; + +&adc0{ + status = "okay"; + pinctrl-0 = <&adc0_ch6_gpi6_default>; + pinctrl-names = "default"; +}; + +&thermistor_1V8_100K_100K_4250B{ + status = "okay"; +}; |