serial: exar: add CTI specific setup code

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This is a large patch but is only additions. All changes and removals
are made in previous patches in this series.

- Add CTI board_init and port setup functions for each UART type
- Add CTI_EXAR_DEVICE() and CTI_PCI_DEVICE() macros
- Add support for reading a word from the Exar EEPROM.
- Add support for configuring and setting a single MPIO
- Add various helper functions for CTI boards.
- Add osc_freq to struct exar8250

Signed-off-by: Parker Newman <pnewman@connecttech.com>
Link: https://lore.kernel.org/r/ae4a66e7342b686cb8d4b15317585dfb37222cf4.1713382717.git.pnewman@connecttech.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Parker Newman 2024-04-17 16:31:28 -04:00 • committed by Greg Kroah-Hartman

parent 5aa84fd8d0

commit f7ce070629

1 changed files with 846 additions and 0 deletions

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drivers/tty/serial/8250/8250_exar.c

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