serial_ns16550: add raspberry pi compatible and init
Add the compatible for the Raspberry Pi AUX UART and an init function which enables it via the aux register and configures the correct shift value. Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> |
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drivers/serial/serial_ns16550.c |
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