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drivers: serial: add Renesas R-Car driver

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This patch add support for polling based UART
on the Renesas R-Car SCIF (Serial Communication Interface
with FIFO)

This hardware block can be found on various Renesas R-Car
SoC series.

It allows to get console on R-Car Gen3 H3ULCB board.

Signed-off-by: Aymeric Aillet <aymeric.aillet@iot.bzh>
This commit is contained in:
Aymeric Aillet 2021-05-06 12:32:25 +02:00 • committed by Carles Cufí
commit c5a057bc63
5 changed files with 319 additions and 0 deletions
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drivers/serial/CMakeLists.txt
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@ -38,6 +38,7 @@ zephyr_library_sources_ifdef(CONFIG_UART_XMC4XXX uart_xmc4xxx.c)
zephyr_library_sources_ifdef(CONFIG_UART_NPCX uart_npcx.c)
zephyr_library_sources_ifdef(CONFIG_UART_APBUART uart_apbuart.c)
zephyr_library_sources_ifdef(CONFIG_USB_CDC_ACM ${ZEPHYR_BASE}/misc/empty_file.c)
zephyr_library_sources_ifdef(CONFIG_UART_RCAR uart_rcar.c)
zephyr_library_sources_ifdef(CONFIG_USERSPACE uart_handlers.c)