Merge branch 'async-scsi-resume' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux.git] / Documentation / devicetree / bindings / serial / atmel-usart.txt

diff --git a/Documentation/devicetree/bindings/serial/atmel-usart.txt b/Documentation/devicetree/bindings/serial/atmel-usart.txt
index 9c5d19ac935c335d88400b6724aaff75b5c99712..17c1042b2df895da595191fa8d8acd132fd546e8 100644 (file)
--- a/Documentation/devicetree/bindings/serial/atmel-usart.txt
+++ b/Documentation/devicetree/bindings/serial/atmel-usart.txt
@@ -13,6 +13,8 @@ Required properties:
 Optional properties:
 - atmel,use-dma-rx: use of PDC or DMA for receiving data
 - atmel,use-dma-tx: use of PDC or DMA for transmitting data
+- rts-gpios: specify a GPIO for RTS line. It will use specified PIO instead of the peripheral
+  function pin for the USART RTS feature. If unsure, don't specify this property.
 - add dma bindings for dma transfer:
        - dmas: DMA specifier, consisting of a phandle to DMA controller node,
                memory peripheral interface and USART DMA channel ID, FIFO configuration.
@@ -33,6 +35,7 @@ Example:
                clock-names = "usart";
                atmel,use-dma-rx;
                atmel,use-dma-tx;
+               rts-gpios = <&pioD 15 0>;
        };
 
 - use DMA: