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Message-ID: <20240114225232.140860-1-alexandre.belloni@bootlin.com> Date: Sun, 14 Jan 2024 23:52:25 +0100 From: alexandre.belloni@...tlin.com To: Alexandre Belloni <alexandre.belloni@...tlin.com> Cc: linux-i3c@...ts.infradead.org, linux-kernel@...r.kernel.org Subject: [PATCH] i3c: document hotjoin sysfs entry From: Alexandre Belloni <alexandre.belloni@...tlin.com> The hotjoin syfs entry allows to enable or disable Hot-Join on the Current Controller of the I3C Bus. Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com> --- 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-<bus-id>/hotjoin +KernelVersion: 6.8 +Contact: linux-i3c@...r.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@...r.kernel.org -- 2.43.0
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