diff options
Diffstat (limited to 'zephyr/include/cros/thermistor/thermistor.dtsi')
| -rw-r--r-- | zephyr/include/cros/thermistor/thermistor.dtsi | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/zephyr/include/cros/thermistor/thermistor.dtsi b/zephyr/include/cros/thermistor/thermistor.dtsi new file mode 100644 index 0000000000..033d5639e2 --- /dev/null +++ b/zephyr/include/cros/thermistor/thermistor.dtsi @@ -0,0 +1,308 @@ +/ { + thermistor_3V3_30K9_47K_4050B: thermistor-3V3-30K9-47K-4050B { + status = "disabled"; + compatible = "cros-ec,thermistor"; + scaling-factor = <11>; + num-pairs = <10>; + steinhart-reference-mv = <3300>; + steinhart-reference-res = <30900>; + + /* + * Data derived from Steinhart-Hart equation in a resistor + * divider circuit with Vdd=3300mV, R = 30.9Kohm, and thermistor + * (B = 4050, T0 = 298.15 K, nominal resistance (R0) = 47Kohm). + */ + sample-datum-0 { + milivolt = <(2753 / 11)>; + temp = <0>; + sample-index = <0>; + }; + sample-datum-1 { + milivolt = <(2487 / 11)>; + temp = <10>; + sample-index = <1>; + }; + sample-datum-2 { + milivolt = <(2165 / 11)>; + temp = <20>; + sample-index = <2>; + }; + sample-datum-3 { + milivolt = <(1813 / 11)>; + temp = <30>; + sample-index = <3>; + }; + sample-datum-4 { + milivolt = <(1145 / 11)>; + temp = <50>; + sample-index = <4>; + }; + sample-datum-5 { + milivolt = <(878 / 11)>; + temp = <60>; + sample-index = <5>; + }; + sample-datum-6 { + milivolt = <(665 / 11)>; + temp = <70>; + sample-index = <6>; + }; + sample-datum-7 { + milivolt = <(500 / 11)>; + temp = <80>; + sample-index = <7>; + }; + sample-datum-8 { + milivolt = <(375 / 11)>; + temp = <90>; + sample-index = <8>; + }; + sample-datum-9 { + milivolt = <(282 / 11)>; + temp = <100>; + sample-index = <9>; + }; + }; + + + thermistor_3V0_22K6_47K_4050B: thermistor-3V0-22K6-47K-4050B { + status = "disabled"; + compatible = "cros-ec,thermistor"; + scaling-factor = <11>; + num-pairs = <13>; + steinhart-reference-mv = <3000>; + steinhart-reference-res = <22600>; + + /* + * Data derived from Steinhart-Hart equation in a resistor + * divider circuit with Vdd=3000mV, R = 22.6Kohm, and thermistor + * (B = 4050, T0 = 298.15 K, nominal resistance (R0) = 47Kohm). + */ + sample-datum-0 { + milivolt = <( 2619 / 11)>; + temp = <0>; + sample-index = <0>; + }; + sample-datum-1 { + milivolt = <( 2421 / 11)>; + temp = <10>; + sample-index = <1>; + }; + sample-datum-2 { + milivolt = <( 2168 / 11)>; + temp = <20>; + sample-index = <2>; + }; + sample-datum-3 { + milivolt = <( 1875 / 11)>; + temp = <30>; + sample-index = <3>; + }; + sample-datum-4 { + milivolt = <( 1563 / 11)>; + temp = <40>; + sample-index = <4>; + }; + sample-datum-5 { + milivolt = <( 1262 / 11)>; + temp = <50>; + sample-index = <5>; + }; + sample-datum-6 { + milivolt = <( 994 / 11)>; + temp = <60>; + sample-index = <6>; + }; + sample-datum-7 { + milivolt = <( 769 / 11)>; + temp = <70>; + sample-index = <7>; + }; + sample-datum-8 { + milivolt = <( 588 / 11)>; + temp = <80>; + sample-index = <8>; + }; + sample-datum-9 { + milivolt = <( 513 / 11)>; + temp = <85>; + sample-index = <9>; + }; + sample-datum-10 { + milivolt = <( 448 / 11)>; + temp = <90>; + sample-index = <10>; + }; + sample-datum-11 { + milivolt = <( 390 / 11)>; + temp = <95>; + sample-index = <11>; + }; + sample-datum-12 { + milivolt = <( 340 / 11)>; + temp = <100>; + sample-index = <12>; + }; + }; + + thermistor_3V3_13K7_47K_4050B: thermistor-3V3-13K7-47K-4050B { + status = "disabled"; + compatible = "cros-ec,thermistor"; + scaling-factor = <13>; + num-pairs = <13>; + steinhart-reference-mv = <3300>; + steinhart-reference-res = <13700>; + + /* + * Data derived from Steinhart-Hart equation in a resistor + * divider circuit with Vdd=3300mV, R = 13.7Kohm, and thermistor + * (B = 4050, T0 = 298.15 K, nominal resistance (R0) = 47Kohm). + */ + sample-datum-0 { + milivolt = <(3033 / 13)>; + temp = <0>; + sample-index = <0>; + }; + sample-datum-1 { + milivolt = <(2882 / 13)>; + temp = <10>; + sample-index = <1>; + }; + sample-datum-2 { + milivolt = <(2677 / 13)>; + temp = <20>; + sample-index = <2>; + }; + sample-datum-3 { + milivolt = <(2420 / 13)>; + temp = <30>; + sample-index = <3>; + }; + sample-datum-4 { + milivolt = <(2119 / 13)>; + temp = <40>; + sample-index = <4>; + }; + sample-datum-5 { + milivolt = <(1799 / 13)>; + temp = <50>; + sample-index = <5>; + }; + sample-datum-6 { + milivolt = <(1485 / 13)>; + temp = <60>; + sample-index = <6>; + }; + sample-datum-7 { + milivolt = <(1197 / 13)>; + temp = <70>; + sample-index = <7>; + }; + sample-datum-8 { + milivolt = <( 947 / 13)>; + temp = <80>; + sample-index = <8>; + }; + sample-datum-9 { + milivolt = <( 839 / 13)>; + temp = <85>; + sample-index = <9>; + }; + sample-datum-10 { + milivolt = <( 741 / 13)>; + temp = <90>; + sample-index = <10>; + }; + sample-datum-11 { + milivolt = <( 653 / 13)>; + temp = <95>; + sample-index = <11>; + }; + sample-datum-12 { + milivolt = <( 576 / 13)>; + temp = <100>; + sample-index = <12>; + }; + }; + + + thermistor_3V3_51K1_47K_4050B: thermistor-3V3-51K1-47K-4050B { + status = "disabled"; + compatible = "cros-ec,thermistor"; + scaling-factor = <11>; + num-pairs = <13>; + steinhart-reference-mv = <3300>; + steinhart-reference-res = <51100>; + + /* + * Data derived from Steinhart-Hart equation in a resistor + * divider circuit with Vdd=3300mV, R = 51.1Kohm, and thermistor + * (B = 4050, T0 = 298.15 K, nominal resistance (R0) = 47Kohm). + */ + sample-datum-0 { + milivolt = <(2484 / 11)>; + temp = <0>; + sample-index = <0>; + }; + sample-datum-1 { + milivolt = <(2142 / 11)>; + temp = <10>; + sample-index = <1>; + }; + sample-datum-2 { + milivolt = <(1767 / 11)>; + temp = <20>; + sample-index = <2>; + }; + sample-datum-3 { + milivolt = <(1400 / 11)>; + temp = <30>; + sample-index = <3>; + }; + sample-datum-4 { + milivolt = <(1072 / 11)>; + temp = <40>; + sample-index = <4>; + }; + sample-datum-5 { + milivolt = <( 802 / 11)>; + temp = <50>; + sample-index = <5>; + }; + sample-datum-6 { + milivolt = <( 593 / 11)>; + temp = <60>; + sample-index = <6>; + }; + sample-datum-7 { + milivolt = <( 436 / 11)>; + temp = <70>; + sample-index = <7>; + }; + sample-datum-8 { + milivolt = <( 321 / 11)>; + temp = <80>; + sample-index = <8>; + }; + sample-datum-9 { + milivolt = <( 276 / 11)>; + temp = <85>; + sample-index = <9>; + }; + sample-datum-10 { + milivolt = <( 237 / 11)>; + temp = <90>; + sample-index = <10>; + }; + sample-datum-11 { + milivolt = <( 204 / 11)>; + temp = <95>; + sample-index = <11>; + }; + sample-datum-12 { + milivolt = <( 177 / 11)>; + temp = <100>; + sample-index = <12>; + }; + }; +}; |