diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-i3c')
-rw-r--r-- | Documentation/ABI/testing/sysfs-bus-i3c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-i3c b/Documentation/ABI/testing/sysfs-bus-i3c index 2f332ec36f82..c812ab180ff4 100644 --- a/Documentation/ABI/testing/sysfs-bus-i3c +++ b/Documentation/ABI/testing/sysfs-bus-i3c @@ -67,7 +67,7 @@ What: /sys/bus/i3c/devices/i3c-<bus-id>/pid KernelVersion: 5.0 Contact: linux-i3c@vger.kernel.org Description: - PID stands for Provisional ID and is used to uniquely identify + PID stands for Provisioned ID and is used to uniquely identify a device on a bus. This PID contains information about the vendor, the part and an instance ID so that several devices of the same type can be connected on the same bus. @@ -84,9 +84,25 @@ Description: by space. Modes can be "hdr-ddr", "hdr-tsp" and "hdr-tsl". See the I3C specification for more details about these HDR modes. + 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 @@ -122,7 +138,7 @@ What: /sys/bus/i3c/devices/i3c-<bus-id>/<bus-id>-<device-pid>/pid KernelVersion: 5.0 Contact: linux-i3c@vger.kernel.org Description: - PID stands for Provisional ID and is used to uniquely identify + PID stands for Provisioned ID and is used to uniquely identify a device on a bus. This PID contains information about the vendor, the part and an instance ID so that several devices of the same type can be connected on the same bus. @@ -135,6 +151,7 @@ Description: Expose the HDR (High Data Rate) capabilities of a device. Returns a list of supported HDR mode, each element is separated by space. Modes can be "hdr-ddr", "hdr-tsp" and "hdr-tsl". + See the I3C specification for more details about these HDR modes. |