Hi all,
After I add two more pin configs in `arch/arm64/boot/dts/freescale/fsl-imx8qm-mek.dtsi` file:
uart3 serial port ttyLP3 is missing in /dev:
# dmesg | grep tty:
ttyLP3 only shows up If I remove GPIO0_IO03 and GPIO0_IO04 configs.
Is there something wrong with my gpio setting in dts file?
解決済! 解決策の投稿を見る。
It seems the cause is I configure the same pin twice on different places.