diff options
Diffstat (limited to 'Documentation/devicetree/bindings/serial/fsl-imx-uart.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/fsl-imx-uart.txt | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt index c58573b5b1a4..35ae1fb3537f 100644 --- a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt +++ b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt @@ -1,35 +1,29 @@ -* Freescale i.MX UART controller +* Freescale i.MX Universal Asynchronous Receiver/Transmitter (UART) Required properties: -- compatible : should be "fsl,imx21-uart" +- compatible : Should be "fsl,<soc>-uart" - reg : Address and length of the register set for the device -- interrupts : Should contain UART interrupt number +- interrupts : Should contain uart interrupt Optional properties: -- fsl,uart-has-rtscts: indicate that RTS/CTS signals are used +- 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. Note: Each uart controller should have an alias correctly numbered in "aliases" node. Example: -- From imx51.dtsi: aliases { serial0 = &uart1; - serial1 = &uart2; - serial2 = &uart3; }; uart1: serial@73fbc000 { compatible = "fsl,imx51-uart", "fsl,imx21-uart"; reg = <0x73fbc000 0x4000>; interrupts = <31>; - status = "disabled"; -} - -- From imx51-babbage.dts: -uart1: serial@73fbc000 { fsl,uart-has-rtscts; - status = "okay"; + fsl,dte-mode; }; - |