1 .. SPDX-License-Identifier: GPL-2.0-only
2
3 Kernel driver ina238
4 ====================
5
6 Supported chips:
7
8 * Texas Instruments INA238
9
10 Prefix: 'ina238'
11
12 Addresses: I2C 0x40 - 0x4f
13
14 Datasheet:
15 https://www.ti.com/lit/gpn/ina238
16
17 Author: Nathan Rossi <nathan.rossi@digi.com>
18
19 Description
20 -----------
21
22 The INA238 is a current shunt, power and tempe
23 interface. It includes a number of programmabl
24 conversion rate, sample averaging and selectab
25
26 The shunt value in micro-ohms can be set via p
27 compile-time or via the shunt_resistor attribu
28 refer to the Documentation/devicetree/bindings
29 if the device tree is used.
30
31 Sysfs entries
32 -------------
33
34 ======================= ======================
35 in0_input Shunt voltage (mV)
36 in0_min Minimum shunt voltage
37 in0_min_alarm Minimum shunt voltage
38 in0_max Maximum shunt voltage
39 in0_max_alarm Maximum shunt voltage
40
41 in1_input Bus voltage (mV)
42 in1_min Minimum bus voltage th
43 in1_min_alarm Minimum shunt voltage
44 in1_max Maximum bus voltage th
45 in1_max_alarm Maximum shunt voltage
46
47 power1_input Power measurement (uW)
48 power1_max Maximum power threshol
49 power1_max_alarm Maximum power alarm
50
51 curr1_input Current measurement (m
52
53 temp1_input Die temperature measur
54 temp1_max Maximum die temperatur
55 temp1_max_alarm Maximum die temperatur
56 ======================= ======================
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