WIP FPC-III support
[linux/fpc-iii.git] / Documentation / ABI / testing / sysfs-driver-w1_ds28e17
blobe92aba4eb594e92f25c4482a360c82df9e4191be
1 What:           /sys/bus/w1/devices/19-<id>/speed
2 Date:           Sep 2017
3 KernelVersion:  4.14
4 Contact:        Jan Kandziora <jjj@gmx.de>
5 Description:    When written, this file sets the I2C speed on the connected
6                 DS28E17 chip. When read, it reads the current setting from
7                 the DS28E17 chip.
9                 Valid values: 100, 400, 900 [kBaud].
11                 Default 100, can be set by w1_ds28e17.speed= module parameter.
12 Users:          w1_ds28e17 driver
14 What:           /sys/bus/w1/devices/19-<id>/stretch
15 Date:           Sep 2017
16 KernelVersion:  4.14
17 Contact:        Jan Kandziora <jjj@gmx.de>
18 Description:    When written, this file sets the multiplier used to calculate
19                 the busy timeout for I2C operations on the connected DS28E17
20                 chip. When read, returns the current setting.
21                 Valid values: 1 to 9.
23                 Default 1, can be set by w1_ds28e17.stretch= module parameter.
24 Users:          w1_ds28e17 driver