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TDA4VMXEVM: J721EXSOMG01EVM driver led by gpio

Part Number: TDA4VMXEVM

TDA4 SOC GPIO include three group:GPIO0,GPIO1,WKUP_GPIO0.

There are two user led in EVM,according EVM_SCH:

P26 USER_LED1 Output PD Active High User LED1 Enable ('1' - LED Off, '0' - LED On)
P27 USER_LED2 Output PD Active High User LED2 Enable ('1' - LED Off, '0' - LED On)

I hope driver led by gpio in linux

/sys/class/gpio,echo N > export,     N=?

I do not know which GPIO is wright.