linux-kernel - [PATCH v5 3/3] Documentation: hwmon: Document the IBM CFF power supply

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Message-Id: <1503344773-7236-4-git-send-email-eajames@linux.vnet.ibm.com>
Date:   Mon, 21 Aug 2017 14:46:13 -0500
From:   Eddie James <eajames@...ux.vnet.ibm.com>
To:     linux@...ck-us.net
Cc:     jdelvare@...e.com, linux-kernel@...r.kernel.org,
        linux-hwmon@...r.kernel.org, mark.rutland@....com,
        devicetree@...r.kernel.org, corbet@....net,
        eajames@...ux.vnet.ibm.com, "Edward A. James" <eajames@...ibm.com>
Subject: [PATCH v5 3/3] Documentation: hwmon: Document the IBM CFF power supply

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

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

diff --git a/Documentation/hwmon/ibm-cffps b/Documentation/hwmon/ibm-cffps
new file mode 100644
index 0000000..e05ecd8
--- /dev/null
+++ b/Documentation/hwmon/ibm-cffps
@@ -0,0 +1,54 @@
+Kernel driver ibm-cffps
+=======================
+
+Supported chips:
+  * IBM Common Form Factor power supply
+
+Author: Eddie James <eajames@...ibm.com>
+
+Description
+-----------
+
+This driver supports IBM Common Form Factor (CFF) power supplies. This driver
+is a client to the core PMBus driver.
+
+Usage Notes
+-----------
+
+This driver does not auto-detect devices. 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 alarm.
+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 alarm.
+in1_input		Measured input voltage in mV.
+in1_label		"vin"
+in2_alarm		Output voltage over-voltage alarm.
+in2_input		Measured output voltage in mV.
+in2_label		"vout1"
+
+power1_alarm		Input fault or alarm.
+power1_input		Measured input power in uW.
+power1_label		"pin"
+
+temp1_alarm		PSU inlet ambient temperature over-temperature alarm.
+temp1_input		Measured PSU inlet ambient temp in millidegrees C.
+temp2_alarm		Secondary rectifier temp over-temperature alarm.
+temp2_input		Measured secondary rectifier temp in millidegrees C.
+temp3_alarm		ORing FET temperature over-temperature alarm.
+temp3_input		Measured ORing FET temperature in millidegrees C.
-- 
1.8.3.1