i have a problem with Rock Pi S. I am using SPI1 in the project for communication and need two CS lines with pin definition. I made my own overlay somewhere I had to use the definition: cs-gpios = <0>, <&gpio2 0x04 0x00>; I found that this doesn’t work in the official 4.4 kernel. I tried using the latest armbian and also the latest debian b40 release here: https://github.com/radxa-build/rock-pi-s/releases/tag/b40. I found that although the two CS pins start working, there is no clock signal present on the SCL pin when communicating. Can you please advise him?