From de7790155f745d30d58ed131ed112b8735413ab7 Mon Sep 17 00:00:00 2001 From: "per.dalen@appeartv.com" Date: Thu, 3 Mar 2011 14:13:21 -0500 Subject: hwmon: Add support for LTC4151 LTC4151 is High Voltage I2C Current and Voltage Monitor from Linear Technology. Signed-off-by: Per Dalen Signed-off-by: Guenter Roeck --- Documentation/hwmon/ltc4151 | 47 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/hwmon/ltc4151 (limited to 'Documentation/hwmon') diff --git a/Documentation/hwmon/ltc4151 b/Documentation/hwmon/ltc4151 new file mode 100644 index 0000000..43c667e --- /dev/null +++ b/Documentation/hwmon/ltc4151 @@ -0,0 +1,47 @@ +Kernel driver ltc4151 +===================== + +Supported chips: + * Linear Technology LTC4151 + Prefix: 'ltc4151' + Addresses scanned: - + Datasheet: + http://www.linear.com/docs/Datasheet/4151fc.pdf + +Author: Per Dalen + + +Description +----------- + +The LTC4151 is a High Voltage I2C Current and Voltage Monitor. + + +Usage Notes +----------- + +This driver does not probe for LTC4151 devices, since there is no register +which can be safely used to identify the chip. You will have to instantiate +the devices explicitly. + +Example: the following will load the driver for an LTC4151 at address 0x6f +on I2C bus #0: +# modprobe ltc4151 +# echo ltc4151 0x6f > /sys/bus/i2c/devices/i2c-0/new_device + + +Sysfs entries +------------- + +Voltage readings provided by this driver are reported as obtained from the ADIN +and VIN registers. + +Current reading provided by this driver is reported as obtained from the Current +Sense register. The reported value assumes that a 1 mOhm sense resistor is +installed. + +in1_input VDIN voltage (mV) + +in2_input ADIN voltage (mV) + +curr1_input SENSE current (mA) -- cgit v1.1