How to enable SPI or PWM


I used Khadas VIM2 and Kodi and hyperion. My led strip WS2812. Raspi control PWM. I would like to control PWM in VIM2. Or SPI SDO pin. But kernel not enable spidev.

Linux CoreELEC 3.14.29 #1 SMP Fri Mar 8 00:28:08 CET 2019 aarch64 GNU/Linux

ls | grep spi* result: nothing
lsmod | grep spi result: nothing