Hi I need SPI in SLAVE mode I convert /boot/sun50i-h5-nanopi-neo-core2.dtb to /boot/sun50i-h5-nanopi-neo-core2.dts and add "spi-slave;" spi0 { pins = "PC0", "PC1", "PC2", "PC3"; function = "spi0"; linux,phandle = <0x21>; phandle = <0x21>; s...