From 4fa0888f6f3e6a67cac5afafb23e33f8222cfdd0 Mon Sep 17 00:00:00 2001 From: Alexandre Belloni Date: Sun, 14 Jan 2024 23:52:25 +0100 Subject: [PATCH] i3c: document hotjoin sysfs entry 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 --- Documentation/ABI/testing/sysfs-bus-i3c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-i3c b/Documentation/ABI/testing/sysfs-bus-i3c index e5248fd67a56..c812ab180ff4 100644 --- a/Documentation/ABI/testing/sysfs-bus-i3c +++ b/Documentation/ABI/testing/sysfs-bus-i3c @@ -88,6 +88,21 @@ Description: This entry describes the HDRCAP of the master controller driving the bus. +What: /sys/bus/i3c/devices/i3c-/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-/- KernelVersion: 5.0 Contact: linux-i3c@vger.kernel.org -- 2.20.1