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| -rw-r--r-- | Documentation/hwmon/adt7411.rst | 50 |
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diff --git a/Documentation/hwmon/adt7411.rst b/Documentation/hwmon/adt7411.rst new file mode 100644 index 000000000..57ad16fb2 --- /dev/null +++ b/Documentation/hwmon/adt7411.rst @@ -0,0 +1,50 @@ +Kernel driver adt7411 +===================== + +Supported chips: + + * Analog Devices ADT7411 + + Prefix: 'adt7411' + + Addresses scanned: 0x48, 0x4a, 0x4b + + Datasheet: Publicly available at the Analog Devices website + +Author: Wolfram Sang (based on adt7470 by Darrick J. Wong) + +Description +----------- + +This driver implements support for the Analog Devices ADT7411 chip. There may +be other chips that implement this interface. + +The ADT7411 can use an I2C/SMBus compatible 2-wire interface or an +SPI-compatible 4-wire interface. It provides a 10-bit analog to digital +converter which measures 1 temperature, vdd and 8 input voltages. It has an +internal temperature sensor, but an external one can also be connected (one +loses 2 inputs then). There are high- and low-limit registers for all inputs. + +Check the datasheet for details. + +sysfs-Interface +--------------- + +================ ================= +in0_input vdd voltage input +in[1-8]_input analog 1-8 input +temp1_input temperature input +================ ================= + +Besides standard interfaces, this driver adds (0 = off, 1 = on): + + ============== ======================================================= + adc_ref_vdd Use vdd as reference instead of 2.25 V + fast_sampling Sample at 22.5 kHz instead of 1.4 kHz, but drop filters + no_average Turn off averaging over 16 samples + ============== ======================================================= + +Notes +----- + +SPI, external temperature sensor and limit registers are not supported yet. |