File: raspberrypi-hwmon.rst

package info (click to toggle)
linux 6.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,488,076 kB
  • sloc: ansic: 23,401,844; asm: 266,744; sh: 108,976; makefile: 49,705; python: 36,927; perl: 36,810; cpp: 6,044; yacc: 4,904; lex: 2,722; awk: 1,440; ruby: 25; sed: 5
file content (25 lines) | stat: -rw-r--r-- 612 bytes parent folder | download | duplicates (18)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
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
======================= ==================