diff options
| author | per.dalen@appeartv.com <per.dalen@appeartv.com> | 2011-03-03 22:13:21 +0300 |
|---|---|---|
| committer | Guenter Roeck <guenter.roeck@ericsson.com> | 2011-03-15 08:39:11 +0300 |
| commit | de7790155f745d30d58ed131ed112b8735413ab7 (patch) | |
| tree | 884ecf5816d1d9279ad2e0e0864f18a693c8a3a6 /Documentation/hwmon | |
| parent | 9f6ad1ce6484a92ef864e00611a8ef3daf9c986d (diff) | |
| download | linux-de7790155f745d30d58ed131ed112b8735413ab7.tar.xz | |
hwmon: Add support for LTC4151
LTC4151 is High Voltage I2C Current and Voltage Monitor from Linear
Technology.
Signed-off-by: Per Dalen <per.dalen@appeartv.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Diffstat (limited to 'Documentation/hwmon')
| -rw-r--r-- | Documentation/hwmon/ltc4151 | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/Documentation/hwmon/ltc4151 b/Documentation/hwmon/ltc4151 new file mode 100644 index 000000000000..43c667e6677a --- /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 <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) |