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>
1 parent de69898 commit 77de547cd179b910cdcb8530df15d77a0fc66a3c
@Rouven Czerwinski Rouven Czerwinski authored on 15 Jan 2019
Sascha Hauer committed on 5 Feb 2019
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drivers/serial/serial_ns16550.c