linux-kernel - [PATCH v2 3/3] Documentation: hwmon: Add POWER system power supply documentation

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Date:   Thu, 10 Aug 2017 17:19:46 -0500
From:   Eddie James <eajames@...ux.vnet.ibm.com>
To:     linux@...ck-us.net
Cc:     robh+dt@...nel.org, jdelvare@...e.com,
        linux-kernel@...r.kernel.org, linux-hwmon@...r.kernel.org,
        joel@....id.au, jk@...abs.org, andrew@...id.au,
        eajames@...ux.vnet.ibm.com, mark.rutland@....com,
        devicetree@...r.kernel.org, corbet@....net,
        linux-doc@...r.kernel.org, "Edward A. James" <eajames@...ibm.com>
Subject: [PATCH v2 3/3] Documentation: hwmon: Add POWER system power supply documentation

From: "Edward A. James" <eajames@...ibm.com>

Signed-off-by: Edward A. James <eajames@...ibm.com>
---
 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 <eajames@...ibm.com>
+
+Description
+-----------
+
+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.
-- 
1.8.3.1