* Re: [PATCH v2] devicetree: serial: Add documentation for imx serial
[not found] ` <1345568699-31842-1-git-send-email-fabio.estevam-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
@ 2012-08-21 18:27 ` Rob Herring
2012-08-22 5:06 ` Shawn Guo
1 sibling, 0 replies; 2+ messages in thread
From: Rob Herring @ 2012-08-21 18:27 UTC (permalink / raw)
To: Fabio Estevam; +Cc: devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ
On 08/21/2012 12:04 PM, Fabio Estevam wrote:
> Add documentation for imx serial.
>
> Signed-off-by: Fabio Estevam <fabio.estevam-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
> ---
Applied for 3.7.
Rob
> Changes since v1:
> - Add 'alias' entry
> .../devicetree/bindings/serial/fsl-imx-uart.txt | 35 ++++++++++++++++++++
> 1 file changed, 35 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/serial/fsl-imx-uart.txt
>
> diff --git a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt
> new file mode 100644
> index 0000000..c58573b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt
> @@ -0,0 +1,35 @@
> +* 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";
> +};
> +
>
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