Hello, please try to comment out the entire spi0 node in the rv1103-luckfox-pico-ipc.dtsi file, as the settings of the two SPI interfaces are conflicting with each other.


It worked :), thanks for the help, i got /dev/fb0 file and i get "noise" on the screen if i run: cat /dev/urandom > /dev/fb0 ...

Hi Crocodile,

We have tested controlling the Pico LCD 1.3 using the framebuffer on the Pico Mini B. According to the information you've provided, it appears that the chip select 0 pin is occupied. Please check whether the settings in the device tree are correct.


this is the content of my ...

Hi, im trying to get an ST7735 working on my Pico Mini B with framebuffer but i keep getting this:

[ 0.088840] rockchip-spi ff500000.spi: no high_speed pinctrl state
[ 0.089798] rockchip-spi ff500000.spi: chipselect 0 already in use
[ 0.089828] spi_master spi0: spi_device register error /spi ...