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i3c: document hotjoin sysfs entry

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The hotjoin syfs entry allows to enable or disable Hot-Join on the Current
Controller of the I3C Bus.

Link: https://lore.kernel.org/r/20240114225232.140860-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Alexandre Belloni 2024-01-14 23:52:25 +01:00
parent 34d946b723
commit 4fa0888f6f
1 changed files with 15 additions and 0 deletions
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Documentation/ABI/testing/sysfs-bus-i3c
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@ -88,6 +88,21 @@ Description:
This entry describes the HDRCAP of the master controller
driving the bus.
What: /sys/bus/i3c/devices/i3c-<bus-id>/hotjoin
KernelVersion: 6.8
Contact: linux-i3c@vger.kernel.org
Description:
I3C’s Hot-Join mechanism allows an I3C Device to inform the
Active Controller that a newly-joined Target is present on the
I3C Bus and is ready to receive a Dynamic Address, in order to
become fully functional on the Bus. Hot-Join is used when the
Target is mounted on the same I3C bus and remains depowered
until needed or until the Target is physically inserted into the
I3C bus
This entry allows to enable or disable Hot-join of the Current
Controller driving the bus.
What: /sys/bus/i3c/devices/i3c-<bus-id>/<bus-id>-<device-pid>
KernelVersion: 5.0
Contact: linux-i3c@vger.kernel.org