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

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Date:	Thu, 9 Jul 2015 22:26:48 +0800
From:	Shawn Guo <shawnguo@...nel.org>
To:	Philippe Reynes <tremyfr@...il.com>
Cc:	a.zummo@...ertech.it, alexandre.belloni@...e-electrons.com,
	shawn.guo@...aro.org, kernel@...gutronix.de,
	linux@....linux.org.uk, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, rtc-linux@...glegroups.com,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH v4 5/7] dt-binding: document the binding for mxc rtc

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@...nel.org>
> Cc: Pawel Moll <pawel.moll@....com>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: Ian Campbell <ijc+devicetree@...lion.org.uk>
> Cc: Kumar Gala <galak@...eaurora.org>
> Cc: devicetree@...r.kernel.org
> Signed-off-by: Philippe Reynes <tremyfr@...il.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@...07000 {
> +	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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