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tty: of_serial: add support for the DesignWare 8250

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Support the DesignWare 8250 by a new compatible string and registering
the DesignWare helpers.  If the registration of the helpers fails, then
continue as a normal 8250 as we may still get some useful debug out.

Cc: Alan Cox <alan@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jamie Iles
2011-08-16 17:47:47 +01:00
committed by Greg Kroah-Hartman
parent 6b1a98d1c4
commit 14a8d47d4e
2 changed files with 8 additions and 0 deletions
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Documentation/devicetree/bindings/tty/serial/of-serial.txt
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@@ -3,6 +3,7 @@
Required properties:
- compatible : one of:
- "ns8250"
- "ns8250dw"
- "ns16450"
- "ns16550a"
- "ns16550"