1 What: /sys/bus/mhi/devices/.../serialnumber
4 Contact: Bhaumik Bhatt <bbhatt@codeaurora.org>
5 Description: The file holds the serial number of the client device obtained
6 using a BHI (Boot Host Interface) register read after at least
7 one attempt to power up the device has been done. If read
8 without having the device power on at least once, the file will
10 Users: Any userspace application or clients interested in device info.
12 What: /sys/bus/mhi/devices/.../oem_pk_hash
15 Contact: Bhaumik Bhatt <bbhatt@codeaurora.org>
16 Description: The file holds the OEM PK Hash value of the endpoint device
17 obtained using a BHI (Boot Host Interface) register read after
18 at least one attempt to power up the device has been done. If
19 read without having the device power on at least once, the file
21 Users: Any userspace application or clients interested in device info.
23 What: /sys/bus/mhi/devices/.../soc_reset
26 Contact: mhi@lists.linux.dev
27 Description: Initiates a SoC reset on the MHI controller. A SoC reset is
28 a reset of last resort, and will require a complete re-init.
29 This can be useful as a method of recovery if the device is
30 non-responsive, or as a means of loading new firmware as a
31 system administration task.