How to USE UART1 (dev/ttyLF1) in Linux (A-Core) With BSP41.0

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How to USE UART1 (dev/ttyLF1) in Linux (A-Core) With BSP41.0

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[ 0.559933] 401c8000.serial: ttyLF0 at MMIO 0x401c8000 (irq = 37, base_baud = 7812500) is a FSL_LINFLEX
[ 0.569337] printk: console [ttyLF0] enabled
[ 0.577987] printk: bootconsole [linflex0] disabled
[ 0.588188] 401cc000.serial: ttyLF1 at MMIO 0x401cc000 (irq = 38, base_baud = 7812500) is a FSL_LINFLEX
[ 0.598021] 402bc000.serial: ttyLF2 at MMIO 0x402bc000 (irq = 59, base_baud = 7812500) is a FSL_LINFLEX

root@s32g274ardb2:~# ls /dev/ttyLF*
/dev/ttyLF0 /dev/ttyLF1 /dev/ttyLF2

With the default s32g274a-rdb2.dts configuration, I see the device for UART1, but this device cannot send or receive data.

How could I use  the UART1 in Linux System?

 

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