2 files changed, 17 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt b/Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt
index b462d0c54823..c662eb36be29 100644
--- a/Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt
+++ b/Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt
@@ -8,6 +8,8 @@ Required properties:
 Optional properties:
 - fsl,uart-has-rtscts : Indicate the uart has rts and cts
 - fsl,irda-mode : Indicate the uart supports irda mode
+- fsl,dte-mode : Indicate the uart works in DTE mode. The uart works
+                  is DCE mode by default.
 
 Example:
 
@@ -16,4 +18,5 @@ serial@73fbc000 {
 	reg = <0x73fbc000 0x4000>;
 	interrupts = <31>;
 	fsl,uart-has-rtscts;
+	fsl,dte-mode;
 };
diff --git a/Documentation/devicetree/bindings/tty/serial/fsl-lpuart.txt b/Documentation/devicetree/bindings/tty/serial/fsl-lpuart.txt
new file mode 100644
index 000000000000..6fd1dd1638dd
--- /dev/null
+++ b/Documentation/devicetree/bindings/tty/serial/fsl-lpuart.txt
@@ -0,0 +1,14 @@
+* Freescale low power universal asynchronous receiver/transmitter (lpuart)
+
+Required properties:
+- compatible : Should be "fsl,<soc>-lpuart"
+- reg : Address and length of the register set for the device
+- interrupts : Should contain uart interrupt
+
+Example:
+
+uart0: serial@40027000 {
+	       compatible = "fsl,vf610-lpuart";
+	       reg = <0x40027000 0x1000>;
+	       interrupts = <0 61 0x00>;
+       };