Stefan Wahren | 74d1e00 | 2018-05-25 21:24:35 +0200 | [diff] [blame] | 1 | Kernel driver raspberrypi-hwmon |
| 2 | =============================== |
| 3 | |
| 4 | Supported boards: |
Mauro Carvalho Chehab | b04f2f7 | 2019-04-17 06:46:28 -0300 | [diff] [blame] | 5 | |
Stefan Wahren | 74d1e00 | 2018-05-25 21:24:35 +0200 | [diff] [blame] | 6 | * Raspberry Pi A+ (via GPIO on SoC) |
| 7 | * Raspberry Pi B+ (via GPIO on SoC) |
| 8 | * Raspberry Pi 2 B (via GPIO on SoC) |
| 9 | * Raspberry Pi 3 B (via GPIO on port expander) |
| 10 | * Raspberry Pi 3 B+ (via PMIC) |
| 11 | |
| 12 | Author: Stefan Wahren <stefan.wahren@i2se.com> |
| 13 | |
| 14 | Description |
| 15 | ----------- |
| 16 | |
| 17 | This driver periodically polls a mailbox property of the VC4 firmware to detect |
| 18 | undervoltage conditions. |
| 19 | |
| 20 | Sysfs entries |
| 21 | ------------- |
| 22 | |
Mauro Carvalho Chehab | b04f2f7 | 2019-04-17 06:46:28 -0300 | [diff] [blame] | 23 | ======================= ================== |
Stefan Wahren | 74d1e00 | 2018-05-25 21:24:35 +0200 | [diff] [blame] | 24 | in0_lcrit_alarm Undervoltage alarm |
Mauro Carvalho Chehab | b04f2f7 | 2019-04-17 06:46:28 -0300 | [diff] [blame] | 25 | ======================= ================== |