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dt-bindings: serial: Update 'uart-has-rtscts' description 

'uart-has-rtscts' property and 'rts-gpios|cts-gpios' are normally
mutually exclusive, however it is possible for some drivers to have
a dynamic approach, meaning that both properties can be relevant.

Acked-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lee Jones 2017-02-03 10:23:15 +00:00 committed by Greg Kroah-Hartman
parent 233680a2b0
commit 8ab99f59f4
1 changed files with 2 additions and 1 deletions
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3
Documentation/devicetree/bindings/serial/serial.txt
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@ -23,7 +23,8 @@ Optional properties:
they are available for use (wired and enabled by pinmux configuration). they are available for use (wired and enabled by pinmux configuration).
This depends on both the UART hardware and the board wiring. This depends on both the UART hardware and the board wiring.
Note that this property is mutually-exclusive with "cts-gpios" and Note that this property is mutually-exclusive with "cts-gpios" and
"rts-gpios" above. "rts-gpios" above, unless support is provided to switch between modes
dynamically.
Examples: Examples: