ARM SoCs are complex and often undocumented to anyone outside the company making them. The arch is fine, but many drivers are needed e.g. for clocks (and a lot

ARM SoCs are complex and often undocumented to anyone outside the company making them. The arch is fine, but many drivers are needed e.g. for clocks (and a lot of reversing has to be done). Having said that, downstream (Android) kernel will probably be fine for a simple use case such as this