clone from https://github.com/chewitt/linux branch amlogic-5.15.y, And will add some patches that I have collected, which can be used for the aarch64 openwrt firmware, or for general occasions such as armbian. - linux-5.15.y/include/linux/serial_core.h
Next step is to write a sysfs and a gpiochar driver for an stm32 bluepill board with the right firmware. Reply willmore 6 years ago @zoobab How about a firmata to native Linux driver shim? Reply zoobab 6 years ago @willmore I am gonna play with the chromium-ec firmware, ...