https://support.tq-group.com/ 2026-05-01T19:16:33+00:00 https://support.tq-group.com/ https://support.tq-group.com/_media/logo.png text/html 2026-03-05T07:10:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma91xxla/linux/yocto/how-to/buttons?rev=1772694627&do=diff TQMa91xxLA - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues The MBa91xxCA features two user buttons which are handled by the gpio-keys driver. Reference Button S8 BTN0 S9 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/html 2026-03-05T06:49:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma91xxla/linux/yocto/how-to/can?rev=1772693350&do=diff TQMa91xxLA - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- The MBa91xxCA provides one CAN interface: CAN1. DIP switch S4 is used to configure CAN1. Function S4-1 S4-2 CAN-Bus not terminated OFF OFF not defined (illegal state) text/html 2026-03-02T10:22:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma91xxla/linux/yocto/how-to/cpu?rev=1772446951&do=diff TQMa91xxLA - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- The STKa91xxLA supports DVFS (dynamic voltage and frequency scaling). By default the governor ondemand is set. Governors are power schemes for the CPU. Only one can be active at a time. text/html 2026-03-05T07:34:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma91xxla/linux/yocto/how-to/eclipse?rev=1772696084&do=diff TQMa91xxLA - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues text/html 2026-03-05T07:04:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma91xxla/linux/yocto/how-to/ethernet?rev=1772694261&do=diff TQMa91xxLA - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues The STKa91xxLA Starter Kit provides two Gigabit Ethernet interfaces. In U-Boot, end0 is configured as the default interface. The IP configuration can be done statically or by a DHCP server in the network. text/html 2026-03-05T07:12:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma91xxla/linux/yocto/how-to/gpu?rev=1772694730&do=diff TQMa91xxLA - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues To run the GPU benchmark in fullscreen mode with a connected display, execute the following command: glmark2-es2-wayland --fullscreen text/html 2026-03-05T07:15:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma91xxla/linux/yocto/how-to/i2c?rev=1772694907&do=diff TQMa91xxLA - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues An overview of the onboard I2C devices is available here. Select the I2C bus device: i2c dev 0 Show all devices connected to the currently selected I2C bus: i2c probe Detect all devices connected to an I2C bus: text/html 2026-02-07T09:10:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma91xxla/linux/yocto/how-to/known-issues?rev=1770455406&do=diff TQMa91xxCA - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues text/html 2026-03-05T07:15:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma91xxla/linux/yocto/how-to/lvds?rev=1772694958&do=diff TQMa91xxLA - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues TQ offers an optional LVDS Display kit for the STKa91xxLA. Each Display can be used on its own by using the corresponding device tree. To allow reuse, the support for each display is separated in a text/html 2026-03-02T10:41:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma91xxla/linux/yocto/how-to/mcuexample?rev=1772448082&do=diff TQMa91xxLA - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues WORK IN PROGRESS - NOT ADJUSTED FOR MBa91xxCA YET Prerequisites * Ubuntu 22.04 Host System (virtual machine with usb passthrough or native) * Segger J-Link Debugger Prepare Linux Host text/html 2026-03-05T07:23:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma91xxla/linux/yocto/how-to/rtc?rev=1772695386&do=diff TQMa91xxLA - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues To set the hardware clock to the current time and date use the following commands: date -s "YYYY-MM-DD hh:mm:[ss]" hwclock -w text/html 2026-03-05T07:24:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma91xxla/linux/yocto/how-to/sensors?rev=1772695448&do=diff TQMa91xxLA - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues To read from the temperature sensors, the following command can be used: sensors Alternatively, read from the hwmon interface directly: cat /sys/class/hwmon/hwmon<N>/temp1_input text/html 2026-03-04T15:01:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma91xxla/linux/yocto/how-to/sidebar?rev=1772636509&do=diff Starterkit Interfaces * CAN CPU * Ethernet * GPIO Buttons * GPU * I2C * LVDS * RTC * Temperature Sensors * USB * User LEDs Development Host * Building Yocto SDK * Setup Eclipse * Building the Cortex M33 Examples * Setup Qt Creator * Setup BSP for Machine Learning functionality Yocto Build System * Yocto Build System text/html 2026-03-05T07:35:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma91xxla/linux/yocto/how-to/start?rev=1772696134&do=diff TQMa91xxLA - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues ---------- text/html 2026-03-05T07:30:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma91xxla/linux/yocto/how-to/usb?rev=1772695811&do=diff TQMa91xxLA - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues With lsusb you can see all connected usb devices. To mount a partition of a usb stick you can execute mount /dev/<partition> <mount dir> (e.g. mount /dev/sdb1 /mnt). This will mount the first partition of sdb to /mnt. text/html 2026-03-05T07:34:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma91xxla/linux/yocto/how-to/user-led?rev=1772696040&do=diff TQMa91xxLA - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues The MBa91xxCA 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/html 2026-03-05T07:35:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma91xxla/linux/yocto/how-to/yocto_build_system?rev=1772696100&do=diff TQMa91xxLA - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues text/html 2026-03-05T07:34:28+00:00 Anonymous (anonymous@undisclosed.example.com) https://support.tq-group.com/en/arm/tqma91xxla/linux/yocto/how-to/yocto-sdk?rev=1772696068&do=diff TQMa91xxLA - YOCTO Linux BSP documentation * Overview * Quickstart BSP * Deployment * How-To * Known Issues