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authorArnd Bergmann <arnd@arndb.de>2014-03-17 10:14:10 +0100
committerArnd Bergmann <arnd@arndb.de>2014-03-17 10:14:20 +0100
commit8d445234dcd5bdb05f21ced4d9928db0b60643dc (patch)
tree10f97ba7be19309a8d7814b61651cdd40f637164 /Documentation
parentMerge tag 'renesas-dt4-for-v3.15' of git://git.kernel.org/pub/scm/linux/kerne... (diff)
parentARM: efm32: drop unused file <mach/timex.h> (diff)
downloadlinux-8d445234dcd5bdb05f21ced4d9928db0b60643dc.tar.xz
linux-8d445234dcd5bdb05f21ced4d9928db0b60643dc.zip
Merge branch 'efm32/cleanup' into next/dt
Dependency for efm32/dt branch. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/serial/atmel-usart.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/atmel-usart.txt b/Documentation/devicetree/bindings/serial/atmel-usart.txt
index 9c5d19ac935c..17c1042b2df8 100644
--- 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: