From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- Documentation/hwmon/xgene-hwmon | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/hwmon/xgene-hwmon (limited to 'Documentation/hwmon/xgene-hwmon') diff --git a/Documentation/hwmon/xgene-hwmon b/Documentation/hwmon/xgene-hwmon new file mode 100644 index 000000000..6ec50ed7c --- /dev/null +++ b/Documentation/hwmon/xgene-hwmon @@ -0,0 +1,30 @@ +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) -- cgit v1.2.3