dt-bindings: Add reference to rs485.yaml

Xilinx/AMD Kria SOM KD240 board has a rs485 compatible peripheral.
Update the binding to have rs485 support.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli@amd.com>
Link: https://lore.kernel.org/r/20240123061655.2150946-2-manikanta.guntupalli@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/Documentation/devicetree/bindings/serial/cdns,uart.yaml b/Documentation/devicetree/bindings/serial/cdns,uart.yaml
index e35ad1109efc8b7b13211e5795c5668111e3f5c1..2129247d7c816d5b33e600af41b633aef7efa295 100644 (file)
--- a/Documentation/devicetree/bindings/serial/cdns,uart.yaml
+++ b/Documentation/devicetree/bindings/serial/cdns,uart.yaml
@@ -55,6 +55,7 @@ required:
 
 allOf:
   - $ref: serial.yaml#
+  - $ref: rs485.yaml#
   - if:
       properties:
         compatible: