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1 | .. SPDX-License-Identifier: GPL-2.0-only |
2 | ||
3 | Kernel driver tps23861 | |
4 | ====================== | |
5 | ||
6 | Supported chips: | |
7 | * Texas Instruments TPS23861 | |
8 | ||
9 | Prefix: 'tps23861' | |
10 | ||
11 | Datasheet: https://www.ti.com/lit/gpn/tps23861 | |
12 | ||
13 | Author: Robert Marko <robert.marko@sartura.hr> | |
14 | ||
15 | Description | |
16 | ----------- | |
17 | ||
18 | This driver supports hardware monitoring for Texas Instruments TPS23861 PoE PSE. | |
19 | ||
20 | TPS23861 is a quad port IEEE802.3at PSE controller with optional I2C control | |
21 | and monitoring capabilities. | |
22 | ||
23 | TPS23861 offers three modes of operation: Auto, Semi-Auto and Manual. | |
24 | ||
25 | This driver only supports the Auto mode of operation providing monitoring | |
26 | as well as enabling/disabling the four ports. | |
27 | ||
28 | Sysfs entries | |
29 | ------------- | |
30 | ||
31 | ======================= ===================================================================== | |
32 | in[0-3]_input Voltage on ports [1-4] | |
33 | in[0-3]_label "Port[1-4]" | |
34 | in4_input IC input voltage | |
35 | in4_label "Input" | |
36 | temp1_input IC die temperature | |
37 | temp1_label "Die" | |
38 | curr[1-4]_input Current on ports [1-4] | |
39 | in[1-4]_label "Port[1-4]" | |
40 | in[0-3]_enable Enable/disable ports [1-4] | |
41 | ======================= ===================================================================== |