1Kernel driver raspberrypi-hwmon
2===============================
3
4Supported boards:
5  * Raspberry Pi A+ (via GPIO on SoC)
6  * Raspberry Pi B+ (via GPIO on SoC)
7  * Raspberry Pi 2 B (via GPIO on SoC)
8  * Raspberry Pi 3 B (via GPIO on port expander)
9  * Raspberry Pi 3 B+ (via PMIC)
10
11Author: Stefan Wahren <stefan.wahren@i2se.com>
12
13Description
14-----------
15
16This driver periodically polls a mailbox property of the VC4 firmware to detect
17undervoltage conditions.
18
19Sysfs entries
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21
22in0_lcrit_alarm		Undervoltage alarm
23