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| author | Robert Marko <robert.marko@sartura.hr> | 2021-01-21 14:44:33 +0100 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2021-02-12 07:02:55 -0800 |
| commit | fff7b8ab225547828db9c57cdf05a03d5b4a7153 (patch) | |
| tree | 0e6c3a443963717734340a4099d591a0d66a5a3b /Documentation/hwmon | |
| parent | f02e897bf37d7db57d337094a7c0a9d8f2f5d4fb (diff) | |
| download | linux-fff7b8ab225547828db9c57cdf05a03d5b4a7153.tar.bz2 | |
hwmon: add Texas Instruments TPS23861 driver
Add basic monitoring support as well as port on/off control for Texas
Instruments TPS23861 PoE PSE IC.
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210121134434.2782405-2-robert.marko@sartura.hr
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/hwmon')
| -rw-r--r-- | Documentation/hwmon/index.rst | 1 | ||||
| -rw-r--r-- | Documentation/hwmon/tps23861.rst | 41 |
2 files changed, 42 insertions, 0 deletions
diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index 3589151bcefb..8d5a2df1ecb6 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -177,6 +177,7 @@ Hardware Monitoring Kernel Drivers tmp401 tmp421 tmp513 + tps23861 tps40422 tps53679 twl4030-madc-hwmon diff --git a/Documentation/hwmon/tps23861.rst b/Documentation/hwmon/tps23861.rst new file mode 100644 index 000000000000..46d121ff3f31 --- /dev/null +++ b/Documentation/hwmon/tps23861.rst @@ -0,0 +1,41 @@ +.. SPDX-License-Identifier: GPL-2.0-only + +Kernel driver tps23861 +====================== + +Supported chips: + * Texas Instruments TPS23861 + + Prefix: 'tps23861' + + Datasheet: https://www.ti.com/lit/gpn/tps23861 + +Author: Robert Marko <robert.marko@sartura.hr> + +Description +----------- + +This driver supports hardware monitoring for Texas Instruments TPS23861 PoE PSE. + +TPS23861 is a quad port IEEE802.3at PSE controller with optional I2C control +and monitoring capabilities. + +TPS23861 offers three modes of operation: Auto, Semi-Auto and Manual. + +This driver only supports the Auto mode of operation providing monitoring +as well as enabling/disabling the four ports. + +Sysfs entries +------------- + +======================= ===================================================================== +in[0-3]_input Voltage on ports [1-4] +in[0-3]_label "Port[1-4]" +in4_input IC input voltage +in4_label "Input" +temp1_input IC die temperature +temp1_label "Die" +curr[1-4]_input Current on ports [1-4] +in[1-4]_label "Port[1-4]" +in[0-3]_enable Enable/disable ports [1-4] +======================= ===================================================================== |