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authorJan Kandziora <jjj@gmx.de>2017-09-20 23:52:46 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-10-04 10:29:22 +0200
commitebc4768ac4971eab4b570e733e47ac9dfd0e4175 (patch)
treecfe3e1128131d87a19cbcb81a92db4b1925931e0 /Documentation/ABI/testing/sysfs-driver-w1_ds28e17
parentwire: export w1_touch_bit (diff)
downloadlinux-ebc4768ac4971eab4b570e733e47ac9dfd0e4175.tar.xz
linux-ebc4768ac4971eab4b570e733e47ac9dfd0e4175.zip
add w1_ds28e17 driver for the DS28E17 Onewire to I2C master bridge
This subpatch adds a driver for the DS28E17 Onewire to I2C master bridge. Signed-off-by: Jan Kandziora <jjj@gmx.de> Acked-by: Evgeniy Polyakov <zbr@ioremap.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI/testing/sysfs-driver-w1_ds28e17')
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+What: /sys/bus/w1/devices/19-<id>/speed
+Date: Sep 2017
+KernelVersion: 4.14
+Contact: Jan Kandziora <jjj@gmx.de>
+Description: When written, this file sets the I2C speed on the connected
+ DS28E17 chip. When read, it reads the current setting from
+ the DS28E17 chip.
+ Valid values: 100, 400, 900 [kBaud].
+ Default 100, can be set by w1_ds28e17.speed= module parameter.
+Users: w1_ds28e17 driver
+
+What: /sys/bus/w1/devices/19-<id>/stretch
+Date: Sep 2017
+KernelVersion: 4.14
+Contact: Jan Kandziora <jjj@gmx.de>
+Description: When written, this file sets the multiplier used to calculate
+ the busy timeout for I2C operations on the connected DS28E17
+ chip. When read, returns the current setting.
+ Valid values: 1 to 9.
+ Default 1, can be set by w1_ds28e17.stretch= module parameter.
+Users: w1_ds28e17 driver