Paul Walmsley <paul.walms...@sifive.com> writes: > Add a serial driver for the SiFive UART, found on SiFive FU540 devices > (among others). > > The underlying serial IP block is relatively basic, and currently does > not support serial break detection. Further information on the IP > block can be found in the documentation and Chisel sources: > > https://static.dev.sifive.com/FU540-C000-v1.0.pdf > > > https://github.com/sifive/sifive-blocks/tree/master/src/main/scala/devices/uart > > This driver was written in collaboration with Wesley Terpstra > <wes...@sifive.com>. > > Tested on a SiFive HiFive Unleashed A00 board, using BBL and the open- > source FSBL (using a DT file based on what's targeted for mainline). > > This revision incorporates changes based on comments by Julia Lawall > <julia.law...@lip6.fr>, Emil Renner Berthing <ker...@esmil.dk>, and > Andreas Schwab <sch...@suse.de>. Thanks also to Andreas for testing > the driver with his userspace and reporting a bug with the > set_termios implementation. > > Signed-off-by: Paul Walmsley <paul.walms...@sifive.com> > Signed-off-by: Paul Walmsley <p...@pwsan.com> > Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org> > Cc: Jiri Slaby <jsl...@suse.com> > Cc: Palmer Dabbelt <pal...@sifive.com> > Cc: Wesley Terpstra <wes...@sifive.com> > Cc: linux-ser...@vger.kernel.org > Cc: linux-ri...@lists.infradead.org > Cc: linux-kernel@vger.kernel.org > Cc: Julia Lawall <julia.law...@lip6.fr> > Cc: Emil Renner Berthing <ker...@esmil.dk> > Cc: Andreas Schwab <sch...@suse.de>
Tested-by: Kevin Hilman <khil...@baylibre.com>