From: "Edward A. James" <>

Signed-off-by: Edward A. James <>
 Documentation/hwmon/powerps | 54 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 Documentation/hwmon/powerps

diff --git a/Documentation/hwmon/powerps b/Documentation/hwmon/powerps
new file mode 100644
index 0000000..a4fbe92
--- /dev/null
+++ b/Documentation/hwmon/powerps
@@ -0,0 +1,54 @@
+Kernel driver powerps
+Supported chips:
+  * POWER system power supply
+Author: Eddie James <>
+This driver supports POWER system power supplies. This driver is a client
+to the core PMBus driver.
+Usage Notes
+This driver should auto-detect devices. In the event that it does not, you will
+have to instantiate the devices explicitly. Please see
+Documentation/i2c/instantiating-devices for details.
+Sysfs entries
+The following attributes are supported:
+curr1_alarm            Output current over-current fault.
+curr1_input            Measured output current in mA.
+curr1_label            "iout1"
+fan1_alarm             Fan 1 warning.
+fan1_fault             Fan 1 fault.
+fan1_input             Fan 1 speed in RPM.
+fan2_alarm             Fan 2 warning.
+fan2_fault             Fan 2 fault.
+fan2_input             Fan 2 speed in RPM.
+in1_alarm              Input voltage under-voltage fault.
+in1_input              Measured input voltage in mV.
+in1_label              "vin"
+in2_alarm              Output voltage over-voltage fault.
+in2_input              Measured output voltage in mV.
+in2_label              "vout1"
+power1_alarm           Input fault.
+power1_input           Measured input power in uW.
+power1_label           "pin"
+temp1_alarm            PSU inlet ambient temperature over-temperature fault.
+temp1_input            Measured PSU inlet ambient temp in millidegrees C.
+temp2_alarm            Secondary rectifier temp over-temperature fault.
+temp2_input            Measured secondary rectifier temp in millidegrees C.
+temp3_alarm            ORing FET temperature over-temperature fault.
+temp3_input            Measured ORing FET temperature in millidegrees C.

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