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authorShubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>2019-04-09 13:15:23 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-04-29 16:20:24 +0200
commitb1072b4f6e845ad41de0a01fe3b3c5d5c6ac2c71 (patch)
tree6ca673d83edfbdbcc1480c37e031f2b00329853c /Documentation
parent74cdf8cec7dd4c9c06533555a49b4afb429cb5be (diff)
dt-bindings: xilinx-uartps: Add support for cts-override
Flow control is configurable in xilinx-uartps Add a dt binding to check for the same. Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/serial/cdns,uart.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/cdns,uart.txt b/Documentation/devicetree/bindings/serial/cdns,uart.txt
index 227bb770b027..4efc560f90ab 100644
--- a/Documentation/devicetree/bindings/serial/cdns,uart.txt
+++ b/Documentation/devicetree/bindings/serial/cdns,uart.txt
@@ -12,6 +12,11 @@ Required properties:
See ../clocks/clock-bindings.txt for details.
+Optional properties:
+- cts-override : Override the CTS modem status signal. This signal will
+ always be reported as active instead of being obtained from the modem status
+ register. Define this if your serial port does not use this pin
+
Example:
uart@e0000000 {
compatible = "cdns,uart-r1p8";