Device Drivers, Usb, Linux kernel, Embedded Software Development, Spi, BIOS, Uefi, Pcie, Sata, I2c, Linux runtime and build infrastructure, embedded software debugging techniques, open-source management, bootloaders, high-speed IO driver development and debugging, ARM processors, kernel configuration and tuning, CPU system architecture, user and kernel mode device drivers, power and performance management, Linux distros, standard real-time Linux