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diff --git a/Documentation/hwmon/ltc4151.rst b/Documentation/hwmon/ltc4151.rst new file mode 100644 index 000000000000..c39229b19624 --- /dev/null +++ b/Documentation/hwmon/ltc4151.rst @@ -0,0 +1,55 @@ +Kernel driver ltc4151 +===================== + +Supported chips: + + * Linear Technology LTC4151 + + Prefix: 'ltc4151' + + Addresses scanned: - + + Datasheet: + + http://www.linear.com/docs/Datasheet/4151fc.pdf + +Author: Per Dalen <per.dalen@appeartv.com> + + +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) +======================= ================== |