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diff --git a/Documentation/hwmon/nzxt-kraken2.rst b/Documentation/hwmon/nzxt-kraken2.rst new file mode 100644 index 000000000..94025de65 --- /dev/null +++ b/Documentation/hwmon/nzxt-kraken2.rst @@ -0,0 +1,42 @@ +.. SPDX-License-Identifier: GPL-2.0-or-later + +Kernel driver nzxt-kraken2 +========================== + +Supported devices: + +* NZXT Kraken X42 +* NZXT Kraken X52 +* NZXT Kraken X62 +* NZXT Kraken X72 + +Author: Jonas Malaco + +Description +----------- + +This driver enables hardware monitoring support for NZXT Kraken X42/X52/X62/X72 +all-in-one CPU liquid coolers. Three sensors are available: fan speed, pump +speed and coolant temperature. + +Fan and pump control, while supported by the firmware, are not currently +exposed. The addressable RGB LEDs, present in the integrated CPU water block +and pump head, are not supported either. But both features can be found in +existing user-space tools (e.g. `liquidctl`_). + +.. _liquidctl: https://github.com/liquidctl/liquidctl + +Usage Notes +----------- + +As these are USB HIDs, the driver can be loaded automatically by the kernel and +supports hot swapping. + +Sysfs entries +------------- + +======================= ======================================================== +fan1_input Fan speed (in rpm) +fan2_input Pump speed (in rpm) +temp1_input Coolant temperature (in millidegrees Celsius) +======================= ======================================================== |