xref: /linux/Documentation/ABI/testing/sysfs-driver-w1_ds28e17 (revision cdd38c5f1ce4398ec58fec95904b75824daab7b5)
1ebc4768aSJan KandzioraWhat:		/sys/bus/w1/devices/19-<id>/speed
2ebc4768aSJan KandzioraDate:		Sep 2017
3ebc4768aSJan KandzioraKernelVersion:	4.14
4ebc4768aSJan KandzioraContact:	Jan Kandziora <jjj@gmx.de>
5ebc4768aSJan KandzioraDescription:	When written, this file sets the I2C speed on the connected
6ebc4768aSJan Kandziora		DS28E17 chip. When read, it reads the current setting from
7ebc4768aSJan Kandziora		the DS28E17 chip.
8*54a19b4dSMauro Carvalho Chehab
9ebc4768aSJan Kandziora		Valid values: 100, 400, 900 [kBaud].
10*54a19b4dSMauro Carvalho Chehab
11ebc4768aSJan Kandziora		Default 100, can be set by w1_ds28e17.speed= module parameter.
12ebc4768aSJan KandzioraUsers:		w1_ds28e17 driver
13ebc4768aSJan Kandziora
14ebc4768aSJan KandzioraWhat:		/sys/bus/w1/devices/19-<id>/stretch
15ebc4768aSJan KandzioraDate:		Sep 2017
16ebc4768aSJan KandzioraKernelVersion:	4.14
17ebc4768aSJan KandzioraContact:	Jan Kandziora <jjj@gmx.de>
18ebc4768aSJan KandzioraDescription:	When written, this file sets the multiplier used to calculate
19ebc4768aSJan Kandziora		the busy timeout for I2C operations on the connected DS28E17
20ebc4768aSJan Kandziora		chip. When read, returns the current setting.
21ebc4768aSJan Kandziora		Valid values: 1 to 9.
22*54a19b4dSMauro Carvalho Chehab
23ebc4768aSJan Kandziora		Default 1, can be set by w1_ds28e17.stretch= module parameter.
24ebc4768aSJan KandzioraUsers:		w1_ds28e17 driver
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