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Thomas Schäfer authored
- Due to an error in rev2 HW design, RTS/CTS of UART3 does not work. To prevent possible electrical damage, both lines are set up as GPIOs with appropriate settings. RTS/CTS flow control on UART3 is not available on rev2 modules. - Add setup for UART3 RTS and CTS lines. - Check hw revision and configure RTS/CTS as GPIO on rev2 modules. Signed-off-by: Thomas Schaefer <thomas.schaefer@kontron.com>
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