GNU Linux-libre 4.14.266-gnu1
[releases.git] / Documentation / hwmon / ltc3815
1 Kernel driver ltc3815
2 =====================
3
4 Supported chips:
5   * Linear Technology LTC3815
6     Prefix: 'ltc3815'
7     Addresses scanned: -
8     Datasheet: http://www.linear.com/product/ltc3815
9
10 Author: Guenter Roeck <linux@roeck-us.net>
11
12
13 Description
14 -----------
15
16 LTC3815 is a Monolithic Synchronous DC/DC Step-Down Converter.
17
18
19 Usage Notes
20 -----------
21
22 This driver does not probe for PMBus devices. You will have to instantiate
23 devices explicitly.
24
25 Example: the following commands will load the driver for an LTC3815
26 at address 0x20 on I2C bus #1:
27
28 # modprobe ltc3815
29 # echo ltc3815 0x20 > /sys/bus/i2c/devices/i2c-1/new_device
30
31
32 Sysfs attributes
33 ----------------
34
35 in1_label               "vin"
36 in1_input               Measured input voltage.
37 in1_alarm               Input voltage alarm.
38 in1_highest             Highest input voltage.
39 in1_reset_history       Reset input voltage history.
40
41 in2_label               "vout1".
42 in2_input               Measured output voltage.
43 in2_alarm               Output voltage alarm.
44 in2_highest             Highest output voltage.
45 in2_reset_history       Reset output voltage history.
46
47 temp1_input             Measured chip temperature.
48 temp1_alarm             Temperature alarm.
49 temp1_highest           Highest measured temperature.
50 temp1_reset_history     Reset temperature history.
51
52 curr1_label             "iin".
53 curr1_input             Measured input current.
54 curr1_highest           Highest input current.
55 curr1_reset_history     Reset input current history.
56
57 curr2_label             "iout1".
58 curr2_input             Measured output current.
59 curr2_alarm             Output current alarm.
60 curr2_highest           Highest output current.
61 curr2_reset_history     Reset output current history.