[PATCH v4 5/7] dt-binding: document the binding for mxc rtc

[Shawn Guo]

On Sat, Jul 04, 2015 at 01:15:18AM +0200, Philippe Reynes wrote:
> This adds documentation of device tree bindings for the
> mxc rtc.
> 
> Cc: Rob Herring <robh+dt at kernel.org>
> Cc: Pawel Moll <pawel.moll at arm.com>
> Cc: Mark Rutland <mark.rutland at arm.com>
> Cc: Ian Campbell <ijc+devicetree at hellion.org.uk>
> Cc: Kumar Gala <galak at codeaurora.org>
> Cc: devicetree at vger.kernel.org
> Signed-off-by: Philippe Reynes <tremyfr at gmail.com>
> ---
>  Documentation/devicetree/bindings/rtc/rtc-mxc.txt |   27 +++++++++++++++++++++
>  1 files changed, 27 insertions(+), 0 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/rtc/rtc-mxc.txt
> 
> diff --git a/Documentation/devicetree/bindings/rtc/rtc-mxc.txt b/Documentation/devicetree/bindings/rtc/rtc-mxc.txt
> new file mode 100644
> index 0000000..5505493
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/rtc-mxc.txt
> @@ -0,0 +1,27 @@
> +* Real Time Clock of the i.MX SoCs
> +
> +RTC controller for the i.MX SoCs
> +
> +Required properties:
> +- compatible: Should be "fsl,imx1-rtc" or "fsl,imx21-rtc".
> +- reg: physical base address of the controller and length of memory mapped
> +  region.
> +- interrupts: IRQ line for the RTC.
> +- clocks: should contain two entries:
> +  * one for the input reference
> +  * one for the the SoC RTC
> +- clock-names: should contain:
> +  * "rtc" for the input reference clock

Would it be better to use "ref" here?

Shawn

> +  * "ipg" for the SoC RTC clock
> +
> +Example:
> +
> +rtc at 10007000 {
> +	compatible = "fsl,imx21-rtc";
> +	reg = <0x10007000 0x1000>;
> +	interrupts = <22>;
> +	clocks = <&clks IMX27_CLK_CKIL>,
> +	       	 <&clks IMX27_CLK_RTC_IPG_GATE>;
> +	clock-names = "rtc, "ipg";
> +	status = "disabled";
> +};
> -- 
> 1.7.4.4
> 
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