^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) Kernel driver raspberrypi-hwmon
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) ===============================
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) Supported boards:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Raspberry Pi A+ (via GPIO on SoC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Raspberry Pi B+ (via GPIO on SoC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Raspberry Pi 2 B (via GPIO on SoC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Raspberry Pi 3 B (via GPIO on port expander)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * Raspberry Pi 3 B+ (via PMIC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) Author: Stefan Wahren <stefan.wahren@i2se.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) Description
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) -----------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) This driver periodically polls a mailbox property of the VC4 firmware to detect
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) undervoltage conditions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) Sysfs entries
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) -------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) ======================= ==================
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) in0_lcrit_alarm Undervoltage alarm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) ======================= ==================