Rock Pi S SPI1 Clock

#1

I am experiencing an issue with my Rock Pi S. When using SPI1, I am not observing any CLK output signal on pin GPIO3_B3, which I have verified with an oscilloscope. I have found that this issue does not occur in the older kernel 4.4.143-65-rockchip-g58431d38f8f3. However, when using the latest image rock-pi-s_debian_bookworm_cli_b40, this problem arises. I have also observed the same issue when using the Armbian distribution.

Could someone please assist me in resolving this problem?

#2

What is the hardware version of your board? I’ll check it.

#3

I have version V13.

#4

is this all support from radxa?

#6

Hi @Martin_Petrasovsky

Sorry for the inconvenience.

The PI-S SPI-1 bus and I2C3 are not working properly due to a problem with the RK3308 GPIO supported in the mainline kernel.

We recommend that you replace the SPI pins or continue to use the RK 4.4 kernel.