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Subject[PATCH v5 0/2] tty: serial: add DT bindings and serial driver for the SiFive FU540 UART
This series adds a serial driver, with console support, for the
UART IP block present on the SiFive FU540 SoC. The programming
model is straightforward, but unique.

Boot-tested on a SiFive FU540 HiFive-U board, using BBL and the
open-source FSBL (with appropriate patches to the DT data).

This fifth version fixes a bug in the set_termios handler,
found by Andreas Schwab <>.

The patches in this series can also be found, with the PRCI patches,
DT patches, and DT prerequisite patch, at:

- Paul

Paul Walmsley (2):
dt-bindings: serial: add documentation for the SiFive UART driver
tty: serial: add driver for the SiFive UART

.../bindings/serial/sifive-serial.txt | 33 +
drivers/tty/serial/Kconfig | 24 +
drivers/tty/serial/Makefile | 1 +
drivers/tty/serial/sifive.c | 1056 +++++++++++++++++
include/uapi/linux/serial_core.h | 3 +
5 files changed, 1117 insertions(+)
create mode 100644 Documentation/devicetree/bindings/serial/sifive-serial.txt
create mode 100644 drivers/tty/serial/sifive.c


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