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serial: fsl-imx-uart: Cleanup duplicate device tree binding

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We had two bindings for the same serial device, it looks like the one in
tty/serial/fsl-imx-uart.txt is the more up to date one so go with it and
merge a few things about the use/need for aliases in from
serial/fsl-imx-uart.txt.

Signed-off-by: Kumar Gala <galak@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kumar Gala 2013-08-28 14:08:22 -05:00 committed by Greg Kroah-Hartman
parent 1241553513
commit 3e6648c9c8
2 changed files with 8 additions and 36 deletions
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35
Documentation/devicetree/bindings/serial/fsl-imx-uart.txt
View file

@ -1,35 +0,0 @@
* Freescale i.MX UART controller
Required properties:
- compatible : should be "fsl,imx21-uart"
- reg : Address and length of the register set for the device
- interrupts : Should contain UART interrupt number
Optional properties:
- fsl,uart-has-rtscts: indicate that RTS/CTS signals are used
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";
};

9
Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt
View file

@ -11,9 +11,16 @@ Optional properties:
- 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:
serial@73fbc000 {
aliases {
serial0 = &uart1;
};
uart1: serial@73fbc000 {
compatible = "fsl,imx51-uart", "fsl,imx21-uart";
reg = <0x73fbc000 0x4000>;
interrupts = <31>;