TQ Support Wiki
https://support.tq-group.com/
2026-06-29T07:38:51+00:00TQ Support Wiki
https://support.tq-group.com/
https://support.tq-group.com/_media/logo.pngtext/html2025-01-28T11:17:10+00:00Anonymous (anonymous@undisclosed.example.com)target
https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how_to/target?rev=1738063030&do=diff
Starterkit Interfaces and Functions
“|mb_name=“MBa8Xx”}}
“|button_device=”/dev/input/event1”|button_test=“evtest /dev/input/event1”}}
“}}
“|userled_location=”/sys/devices/platform/gpio-leds/leds/“|led_example=“ledbtext/html2026-03-09T14:40:57+00:00Anonymous (anonymous@undisclosed.example.com)overview
https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/overview?rev=1773067257&do=diff
TQMa8Xx4 - YOCTO Linux BSP documentation
* Overview
* Quickstart BSP
* Deployment
* How-To
* Known Issues
----------
BSP Overview
TQMa8.BSP Revision meta-tq release
https://github.com/tq-systems/meta-tq ++ Yocto Project / Poky Release U-Boot Linux Kernel 0092 kirkstone 4.0.11 - Kirkstone v2020.04_imx_5.4.70_2.3.0 fslc-5.15-2.0.x-imx 0091 kirkstonetext/html2025-01-28T11:17:10+00:00Anonymous (anonymous@undisclosed.example.com)scfw
https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how_to/development_host/scfw?rev=1738063030&do=diff
text/html2026-03-10T10:11:13+00:00Anonymous (anonymous@undisclosed.example.com)buttons
https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/buttons?rev=1773137473&do=diff
TQMa8Xx4 - YOCTO Linux BSP documentation
* Overview
* Quickstart BSP
* Deployment
* How-To
* Known Issues
----------
The MBa8Xx features two user buttons which are handled by the gpio-keys driver.
Reference Button S2 BTN0 S3 BTN1
The buttons are accessible via the input device interface. You can identify the correct event node and test the buttons using the evtest tool:text/html2026-03-09T12:27:45+00:00Anonymous (anonymous@undisclosed.example.com)can
https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/can?rev=1773059265&do=diff
TQMa8Xx4 - YOCTO Linux BSP documentation
* Overview
* Quickstart BSP
* Deployment
* How-To
* Known Issues
----------
The MBa8Xx provides two CAN interfaces: CAN0 and CAN1.
DIP switch SW1 is used to configure CAN0.
Function SW1-1 SW1-2 CAN-Bus not terminated OFF OFF not defined (illegal state)text/html2026-03-09T14:40:40+00:00Anonymous (anonymous@undisclosed.example.com)known-issues
https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/known-issues?rev=1773067240&do=diff
TQMa8Xx4 - YOCTO Linux BSP documentation
* Overview
* Quickstart BSP
* Deployment
* How-To
* Known Issues
----------
Known Issuestext/html2025-01-28T11:17:10+00:00Anonymous (anonymous@undisclosed.example.com)yocto_build_system
https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how_to/yocto_build_system?rev=1738063030&do=diff
text/html2026-03-10T10:06:07+00:00Anonymous (anonymous@undisclosed.example.com)audio
https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/audio?rev=1773137167&do=diff
TQMa8Xx4 - YOCTO Linux BSP documentation
* Overview
* Quickstart BSP
* Deployment
* How-To
* Known Issues
----------
Connector Function X8 Microphone X9 Line In X10 Line Out The microphone input is not supported in the current BSP version.
Play Audio on MBa8Xx
A simple test sound can be played with the command-line tool speaker-test.text/html2026-03-09T14:21:47+00:00Anonymous (anonymous@undisclosed.example.com)mcuexample
https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/mcuexample?rev=1773066107&do=diff
TQMa8Xx4 - YOCTO Linux BSP documentation
* Overview
* Quickstart BSP
* Deployment
* How-To
* Known Issues
----------text/html2026-03-09T14:22:28+00:00Anonymous (anonymous@undisclosed.example.com)systemcontrollerfw
https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/systemcontrollerfw?rev=1773066148&do=diff
TQMa8Xx4 - YOCTO Linux BSP documentation
* Overview
* Quickstart BSP
* Deployment
* How-To
* Known Issues
----------text/html2026-03-10T10:35:36+00:00Anonymous (anonymous@undisclosed.example.com)user-led
https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how-to/user-led?rev=1773138936&do=diff
TQMa8Xx4 - YOCTO Linux BSP documentation
* Overview
* Quickstart BSP
* Deployment
* How-To
* Known Issues
----------
The MBa8Xx has two user-controllable LEDs, whose behavior can be selected by several triggers.
The user LEDs are located in /sys/devices/platform/gpio-leds/leds/.
To change the behaviour of a specific LED, the value in the file trigger must be overwritten.text/html2025-01-28T11:17:10+00:00Anonymous (anonymous@undisclosed.example.com)cortex_m
https://support.tq-group.com/en/arm/tqma8xx4/linux/yocto/how_to/development_host/cortex_m?rev=1738063030&do=diff