1 Kernel driver adm1025
2 =====================
3
4 Supported chips:
5
6 * Analog Devices ADM1025, ADM1025A
7
8 Prefix: 'adm1025'
9
10 Addresses scanned: I2C 0x2c - 0x2e
11
12 Datasheet: Publicly available at the Analo
13
14 * Philips NE1619
15
16 Prefix: 'ne1619'
17
18 Addresses scanned: I2C 0x2c - 0x2d
19
20 Datasheet: Publicly available at the Phili
21
22 The NE1619 presents some differences with the
23
24 * Only two possible addresses (0x2c - 0x2d).
25 * No temperature offset register, but we don
26 * No INT mode for pin 16. We don't play with
27
28 Authors:
29 - Chen-Yuan Wu <gwu@esoft.com>,
30 - Jean Delvare <jdelvare@suse.de>
31
32 Description
33 -----------
34
35 (This is from Analog Devices.) The ADM1025 is
36 monitor for microprocessor-based systems, prov
37 comparison of various system parameters. Five
38 are provided, for monitoring +2.5V, +3.3V, +5V
39 the processor core voltage. The ADM1025 can mo
40 voltage by measuring its own VCC. One input (t
41 remote temperature-sensing diode and an on-chi
42 ambient temperature to be monitored.
43
44 One specificity of this chip is that the pin 1
45 different manners. It can act as the +12V powe
46 input, or as the a fifth digital entry for the
47 kind of strange since both are useful, and the
48 chip that way is obscure at least to me. The b
49 register can be used to define how the chip is
50 it is not a choice you have to make as the use
51 made by your motherboard's maker. If the confi
52 properly, you'll have a wrong +12V reading or
53 the driver handles that is to preserve this bi
54 process, assuming that the BIOS set it up prop
55 out not to be true in some cases, we'll provid
56 modes.
57
58 This driver also supports the ADM1025A, which
59 only in that it has "open-drain VID inputs whi
60 100k pull-ups on the VID inputs". It doesn't m
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