elif detector.board.ROCK_PI_S:
from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
from adafruit_blinka.microcontroller.rockchip.rk3308.pin import Pin
+ elif detector.board.ROCK_PI_4:
+ from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
+ from adafruit_blinka.microcontroller.rockchip.rk3399.pin import Pin
elif detector.board.SIFIVE_UNLEASHED:
from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
from adafruit_blinka.microcontroller.hfu540.pin import Pin