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-rw-r--r--Documentation/ABI/testing/sysfs-driver-w1_ds28e173
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-w1_ds28e17 b/Documentation/ABI/testing/sysfs-driver-w1_ds28e17
index d301e7017afe..e92aba4eb594 100644
--- a/Documentation/ABI/testing/sysfs-driver-w1_ds28e17
+++ b/Documentation/ABI/testing/sysfs-driver-w1_ds28e17
@@ -5,7 +5,9 @@ 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
@@ -17,5 +19,6 @@ 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