blob: d949c60c84acd3eab965618b79f437fe4415e55f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
# Copyright 2021 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
menuconfig PLATFORM_EC_TEMP_SENSOR
bool "Temperature sensors"
help
Support for temperature sensors. Once enabled, "temps" console
command and EC_CMD_TEMP_SENSOR_GET_INFO host command are available.
if PLATFORM_EC_TEMP_SENSOR
config PLATFORM_EC_THERMISTOR
bool "Thermistor support"
depends on PLATFORM_EC_ADC
help
Enables support for thermistors (resistor whose resistance is
strongly dependent on temperature) as temperature-sensor type.
config PLATFORM_EC_STEINHART_HART_3V0_22K6_47K_4050B
bool "Steinhart-hart 3V0_22K6_47K_4050B"
depends on PLATFORM_EC_THERMISTOR
help
Enables support for measuring temperature using the Steinhart-Hart
equation model and the thermistor configured with the following
circuit configuration:
-3.0V reference voltage
-22.6 kilohm fixed resistor, connected to the reference voltage
-47 kilohm thermistor reference resistance at 25 C
-4050 B-constant (thermistor sensitivity)
config PLATFORM_EC_STEINHART_HART_3V3_13K7_47K_4050B
bool "Steinhart-hart 3V3_13K7_47K_4050B"
depends on PLATFORM_EC_THERMISTOR
help
Enables support for measuring temperature using the Steinhart-Hart
equation model and the thermistor configured with the following
circuit configuration:
-3.3V reference voltage
-13.7 kilohm fixed resistor, connected to the reference voltage
-47 kilohm thermistor reference resistance at 25 C
-4050 B-constant (thermistor sensitivity)
config PLATFORM_EC_STEINHART_HART_3V3_30K9_47K_4050B
bool "Steinhart-hart 3V3_30K9_47K_4050B"
depends on PLATFORM_EC_THERMISTOR
help
Enables support for measuring temperature using the Steinhart-Hart
equation model and the thermistor configured with the following
circuit configuration:
-3.3V reference voltage
-30.9 kilohm fixed resistor, connected to the reference voltage
-47 kilohm thermistor reference resistance at 25 C
-4050 B-constant (thermistor sensitivity)
config PLATFORM_EC_STEINHART_HART_3V3_51K1_47K_4050B
bool "Steinhart-hart 3V3_51K1_47K_4050B"
depends on PLATFORM_EC_THERMISTOR
default y
help
Enables support for measuring temperature using the Steinhart-Hart
equation model and the thermistor configured with the following
circuit configuration:
-3.3V reference voltage
-51.1 kilohm fixed resistor, connected to the reference voltage
-47 kilohm thermistor reference resistance at 25 C
-4050 B-constant (thermistor sensitivity)
endif # PLATFORM_EC_TEMP_SENSOR
|
