1Kernel driver adt7411
2=====================
3
4Supported chips:
5
6  * Analog Devices ADT7411
7
8    Prefix: 'adt7411'
9
10    Addresses scanned: 0x48, 0x4a, 0x4b
11
12    Datasheet: Publicly available at the Analog Devices website
13
14Author: Wolfram Sang (based on adt7470 by Darrick J. Wong)
15
16Description
17-----------
18
19This driver implements support for the Analog Devices ADT7411 chip. There may
20be other chips that implement this interface.
21
22The ADT7411 can use an I2C/SMBus compatible 2-wire interface or an
23SPI-compatible 4-wire interface. It provides a 10-bit analog to digital
24converter which measures 1 temperature, vdd and 8 input voltages. It has an
25internal temperature sensor, but an external one can also be connected (one
26loses 2 inputs then). There are high- and low-limit registers for all inputs.
27
28Check the datasheet for details.
29
30sysfs-Interface
31---------------
32
33================ =================
34in0_input	 vdd voltage input
35in[1-8]_input	 analog 1-8 input
36temp1_input	 temperature input
37================ =================
38
39Besides standard interfaces, this driver adds (0 = off, 1 = on):
40
41  ============== =======================================================
42  adc_ref_vdd	 Use vdd as reference instead of 2.25 V
43  fast_sampling	 Sample at 22.5 kHz instead of 1.4 kHz, but drop filters
44  no_average	 Turn off averaging over 16 samples
45  ============== =======================================================
46
47Notes
48-----
49
50SPI, external temperature sensor and limit registers are not supported yet.
51