dt-bindings: serial: 8250_omap: Add compatible for AM654 UART controller

AM654 uses a UART controller that is only partially compatible with
existing 8250 UART. UART DMA integration is substantially different
and even a match against standard 8250 or omap4 would result in
non-working UART once DMA is enabled by default.

Introduce a specific compatible to help build up the differences in
follow on patches.

Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Vignesh R <vigneshr@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nishanth Menon 2018-06-19 14:44:49 -05:00 committed by Greg Kroah-Hartman
parent 5fd691afdf
commit ccd8350d06

View File

@ -1,6 +1,7 @@
OMAP UART controller
Required properties:
- compatible : should be "ti,am654-uart" for AM654 controllers
- compatible : should be "ti,omap2-uart" for OMAP2 controllers
- compatible : should be "ti,omap3-uart" for OMAP3 controllers
- compatible : should be "ti,omap4-uart" for OMAP4 controllers