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Diffstat (limited to 'Documentation/ABI/testing/sysfs-driver-w1_ds28e17')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-w1_ds28e17 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-w1_ds28e17 b/Documentation/ABI/testing/sysfs-driver-w1_ds28e17 new file mode 100644 index 000000000000..d301e7017afe --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-w1_ds28e17 @@ -0,0 +1,21 @@ +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 |