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-rw-r--r--Documentation/devicetree/bindings/serial/omap_serial.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/omap_serial.txt b/Documentation/devicetree/bindings/serial/omap_serial.txt
index 43eac675f21f..4b0f05adb228 100644
--- a/Documentation/devicetree/bindings/serial/omap_serial.txt
+++ b/Documentation/devicetree/bindings/serial/omap_serial.txt
@@ -20,6 +20,7 @@ Optional properties:
node and a DMA channel number.
- dma-names : "rx" for receive channel, "tx" for transmit channel.
- rs485-rts-delay, rs485-rx-during-tx, linux,rs485-enabled-at-boot-time: see rs485.txt
+- rs485-rts-active-high: drive RTS high when sending (default is low).
Example: