NanoPi Neo serial port

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smashing

NanoPi Neo serial port

Post by smashing »

Hi
I try open serial port /dev/ttyS1 and /dev/ttyS2
When I read and write have errno: Input/output error

proc/tty/driver
serinfo:1.0 driver revision:
0: uart:U6_16550A mmio:0x01C28000 irq:40 tx:11791 rx:0 RTS|DTR
1: uart:unknown port:00000000 irq:0
2: uart:unknown port:00000000 irq:0
3: uart:unknown port:00000000 irq:0
4: uart:unknown port:00000000 irq:0
5: uart:unknown port:00000000 irq:0
6: uart:unknown port:00000000 irq:0
7: uart:unknown port:00000000 irq:0


/dev/ttyS2 and /dev/ttyS2 is 0666
this serials are disable in kernel?

Smashing
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