January 31, 2019 at 11:51 AM Official Post #2 If it's not listed here: http://opensource.rock-chips.com/wiki_main_pageIt's not supported.
January 31, 2019 at 1:23 PM Official Post #3 Earlier there was information about chips rk3228H (ARM8 A53 aarch64) and rk3228B (ARM7 Cortex A7 arm). Maybe RK3228A is something close to RK3229 (Cortex A7) ?