8fe0cd660f
Add support of rs485 delay in nanoseconds. With fast data rates (1Mbaut or more), 1ms become quite long. Users need to be able to set shorter delays than 1 ms in order not to slow down the channel unnecessarily. This enables faster communication channels without changing the baudrate. Signed-off-by: Erwan Le Ray <erwan.leray@foss.st.com> Signed-off-by: Borut Seljak <borut.seljak@t-2.net> Signed-off-by: Valentin Caron <valentin.caron@foss.st.com> Change-Id: I72cdf03197b7c3abfc1f2fa0c03e91b665461be1