Hello!
I get some error when try to use Waveshare 3.5 inch LCD on PI 4B+…
Follow the https://wiki.radxa.com/Rockpi4/hardware/display
But i can’t make it work…
This is dmesg :
[ 2.807995] rockchip-spi ff1d0000.spi: cs1 >= max 1
[ 2.808013] spi_master spi0: spi_device register error /spi@ff1d0000/waveshare35b_v2@1
[ 2.808030] spi_master spi0: Failed to create SPI device for /spi@ff1d0000/waveshare35b_v2@1
OS : Armbian focal
Kernel:Linux rockpi-4b 5.10.63-rockchip64
armbianEnv:
verbosity=1
bootlogo=true
overlay_prefix=rockchip
fdtfile=rockchip/rk3399-rock-pi-4b.dtb
overlays=rk3399-opp-2ghz spi1-waveshare35b-v2