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| author | Thomas Weißschuh <linux@weissschuh.net> | 2024-05-29 08:27:12 +0200 |
|---|---|---|
| committer | Tzung-Bi Shih <tzungbi@kernel.org> | 2024-06-03 04:13:43 +0000 |
| commit | bc3e45258096f2ea2116302abefde4b1cb9bc3c1 (patch) | |
| tree | 67e3d83565147f4f410d445a8459553cc6a4796d /Documentation/hwmon | |
| parent | a14a569a9918a0c7e340257a17dbc088bb27db72 (diff) | |
| download | linux-bc3e45258096f2ea2116302abefde4b1cb9bc3c1.tar.gz | |
hwmon: add ChromeOS EC driver
The ChromeOS Embedded Controller exposes fan speed and temperature
readings.
Expose this data through the hwmon subsystem.
The driver is designed to be probed via the cros_ec mfd device.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240529-cros_ec-hwmon-v4-2-5cdf0c5db50a@weissschuh.net
[tzungbi: Fixed typo in MAINTAINERS: "chros_ec_hwmon" -> "cros_ec_hwmon"]
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Diffstat (limited to 'Documentation/hwmon')
| -rw-r--r-- | Documentation/hwmon/cros_ec_hwmon.rst | 26 | ||||
| -rw-r--r-- | Documentation/hwmon/index.rst | 1 |
2 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/hwmon/cros_ec_hwmon.rst b/Documentation/hwmon/cros_ec_hwmon.rst new file mode 100644 index 00000000000000..47ecae983bdbef --- /dev/null +++ b/Documentation/hwmon/cros_ec_hwmon.rst @@ -0,0 +1,26 @@ +.. SPDX-License-Identifier: GPL-2.0-or-later + +Kernel driver cros_ec_hwmon +=========================== + +Supported chips: + + * ChromeOS embedded controllers. + + Prefix: 'cros_ec' + + Addresses scanned: - + +Author: + + - Thomas Weißschuh <linux@weissschuh.net> + +Description +----------- + +This driver implements support for hardware monitoring commands exposed by the +ChromeOS embedded controller used in Chromebooks and other devices. + +The channel labels exposed via hwmon are retrieved from the EC itself. + +Fan and temperature readings are supported. diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index 03d313af469a18..342ea5deba24fc 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -58,6 +58,7 @@ Hardware Monitoring Kernel Drivers coretemp corsair-cpro corsair-psu + cros_ec_hwmon da9052 da9055 dell-smm-hwmon |