tcpm command
Synopsis
tcpm dev [devnum]
tcpm info
tcpm list
Description
The tcpm command is used to control USB-PD controllers, also known as TypeC Port Manager (TCPM).
The ‘tcpm dev’ command shows or set current TCPM device.
- devnum
device number to change
The ‘tcpm info’ command displays the current state of the device
The ‘tcpm list’ command displays the list available devices.
Examples
The ‘tcpm info’ command displays device’s status:
=> tcpm info
Orientation: normal
PD Revision: rev3
Power Role: sink
Data Role: device
Voltage: 20.000 V
Current: 2.250 A
The current device can be shown or set via ‘tcpm dev’ command:
=> tcpm dev
TCPM device is not set!
=> tcpm dev 0
dev: 0 @ usb-typec@22
=> tcpm dev
dev: 0 @ usb-typec@22
The list of available devices can be shown via ‘tcpm list’ command:
=> tcpm list
| ID | Name | Parent name | Parent uclass @ seq
| 0 | usb-typec@22 | i2c@feac0000 | i2c @ 4 | status: 0
Configuration
The tcpm command is only available if CONFIG_CMD_TCPM=y.