Javier Olivito Posted January 23 Share Posted January 23 I have just installed an Armbian Jammy CLI on my BPI-CM4. I need to use the UART that is routed to pins 8 and 10 on the 40-pin connector (UART_EE_B in the BPI-CM4 schematics). I have enabled it in the device tree by changing this from disabled to okay: serial@23000 { compatible = "amlogic,meson-g12a-uart\0amlogic,meson-gx-uart"; reg = <0x00 0x23000 0x00 0x18>; interrupts = <0x00 0x4b 0x01>; clocks = <0x12 0x02 0x2a 0x12>; clock-names = "xtal\0pclk\0baud"; status = "okay"; phandle = <0x12b>; }; Once rebooted, and new UART appears (ttyAML6). However, it does not work. What am I missing? Thanks in advance 0 Quote Link to comment Share on other sites More sharing options...
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