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| -rw-r--r-- | Documentation/hwmon/raspberrypi-hwmon.rst | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/hwmon/raspberrypi-hwmon.rst b/Documentation/hwmon/raspberrypi-hwmon.rst new file mode 100644 index 0000000000..8038ade364 --- /dev/null +++ b/Documentation/hwmon/raspberrypi-hwmon.rst @@ -0,0 +1,25 @@ +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 +======================= ================== |