On 30. 12. 20, 4:16, Ivan Sistik wrote:
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -75,6 +75,17 @@ config SERIAL_AMBA_PL011_CONSOLE
your boot loader (lilo or loadlin) about how to pass options to the
kernel at boot time.)
+config
AMBA PL011 do not have hardware support for RS485. This implementation is
for drive enable signal (DE), which switch direction of RS485 driver chip.
This signal si drived by RTS pin. Correct multiplexor settings have to be
provided to Device Tree. Usually it is 'ctsrts', which is used for enabling
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