JustOS/linux-6.13/Documentation/hwmon/raspberrypi-hwmon.rst
justuser 02e73b8cd9 up
2025-01-24 17:00:19 +03:00

26 lines
612 B
ReStructuredText

Kernel driver raspberrypi-hwmon
===============================
Supported boards:
* Raspberry Pi A+ (via GPIO on SoC)
* Raspberry Pi B+ (via GPIO on SoC)
* Raspberry Pi 2 B (via GPIO on SoC)
* Raspberry Pi 3 B (via GPIO on port expander)
* Raspberry Pi 3 B+ (via PMIC)
Author: Stefan Wahren <stefan.wahren@i2se.com>
Description
-----------
This driver periodically polls a mailbox property of the VC4 firmware to detect
undervoltage conditions.
Sysfs entries
-------------
======================= ==================
in0_lcrit_alarm Undervoltage alarm
======================= ==================