serial/efm32: parse location property

[karo-tx-linux.git] / Documentation / devicetree / bindings / tty / serial / efm32-uart.txt

diff --git a/Documentation/devicetree/bindings/tty/serial/efm32-uart.txt b/Documentation/devicetree/bindings/tty/serial/efm32-uart.txt
index 6588b6950a7f7d8b9ac1f83a2b620bc3ad813042..8e080b893b49fc3a811357e04c056f3d5d8002ae 100644 (file)
--- a/Documentation/devicetree/bindings/tty/serial/efm32-uart.txt
+++ b/Documentation/devicetree/bindings/tty/serial/efm32-uart.txt
@@ -5,10 +5,16 @@ Required properties:
 - reg : Address and length of the register set
 - interrupts : Should contain uart interrupt
 
+Optional properties:
+- location : Decides the location of the USART I/O pins.
+  Allowed range : [0 .. 5]
+  Default: 0
+
 Example:
 
 uart@0x4000c400 {
        compatible = "efm32,uart";
        reg = <0x4000c400 0x400>;
        interrupts = <15>;
+       location = <0>;
 };