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Diffstat (limited to 'Documentation/hwmon/xgene-hwmon.rst')
| -rw-r--r-- | Documentation/hwmon/xgene-hwmon.rst | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/hwmon/xgene-hwmon.rst b/Documentation/hwmon/xgene-hwmon.rst new file mode 100644 index 0000000000..439b30b881 --- /dev/null +++ b/Documentation/hwmon/xgene-hwmon.rst @@ -0,0 +1,36 @@ +Kernel driver xgene-hwmon +========================= + +Supported chips: + + * APM X-Gene SoC + +Description +----------- + +This driver adds hardware temperature and power reading support for +APM X-Gene SoC using the mailbox communication interface. +For device tree, it is the standard DT mailbox. +For ACPI, it is the PCC mailbox. + +The following sensors are supported + + * Temperature + - SoC on-die temperature in milli-degree C + - Alarm when high/over temperature occurs + + * Power + - CPU power in uW + - IO power in uW + +sysfs-Interface +--------------- + +temp0_input + - SoC on-die temperature (milli-degree C) +temp0_critical_alarm + - An 1 would indicates on-die temperature exceeded threshold +power0_input + - CPU power in (uW) +power1_input + - IO power in (uW) |