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serial: ns16550: Add reset ctrl to driver
authorLey Foon Tan <ley.foon.tan@intel.com>
Thu, 14 Jun 2018 10:45:22 +0000 (18:45 +0800)
committerTom Rini <trini@konsulko.com>
Mon, 9 Jul 2018 19:28:28 +0000 (15:28 -0400)
commit0a225cf926ef37669b3c9cd6e872b1fba892594a
tree75e08e8bc271246d5d0b8e418fb36eab83782aa4tree | snapshot
parent029e3ba9a87767ad72f7289fbcd69dcaadfd0662commit | diff
serial: ns16550: Add reset ctrl to driver

Add code to reset all reset signals as in serial DT node. A reset
property is an optional feature, so do not fail if a reset property is
not present.

If a reset property is discovered, then use it to deassert, thus
bringing the IP out of reset.

Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
drivers/serial/ns16550.c diff | blob | history
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