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-rw-r--r--Documentation/devicetree/bindings/serial/cdns,uart.yaml1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/cdns,uart.yaml b/Documentation/devicetree/bindings/serial/cdns,uart.yaml
index e35ad1109e..2129247d7c 100644
--- 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: