1 Kernel driver powr1220
2 ======================
3
4 Supported chips:
5
6 * Lattice POWR1220AT8
7
8 Prefix: 'powr1220'
9
10 Addresses scanned: none
11
12 Datasheet: Publicly available at the Latti
13
14 http://www.latticesemi.com/
15
16 Author: Scott Kanowitz <scott.kanowitz@gmail.co
17
18 Description
19 -----------
20
21 This driver supports the Lattice POWR1220AT8 c
22 includes voltage monitoring for 14 inputs as w
23 for output voltages and GPIOs. This driver imp
24 monitoring portion of the chip.
25
26 Voltages are sampled by a 12-bit ADC with a st
27 An in-line attenuator allows measurements from
28 attenuator is enabled or disabled depending on
29 input's max value. The driver will enable the
30 value over the low measurement range maximum o
31
32 The input naming convention is as follows:
33
34 ============== ========
35 driver name pin name
36 ============== ========
37 in0 VMON1
38 in1 VMON2
39 in2 VMON3
40 in2 VMON4
41 in4 VMON5
42 in5 VMON6
43 in6 VMON7
44 in7 VMON8
45 in8 VMON9
46 in9 VMON10
47 in10 VMON11
48 in11 VMON12
49 in12 VCCA
50 in13 VCCINP
51 ============== ========
52
53 The ADC readings are updated on request with a
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