linux-kernel - Re: [PATCH] rtc: rtc-ds1742: Add devicetree support

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Message-ID: <20131115113106.GG1709@e106331-lin.cambridge.arm.com>
Date:	Fri, 15 Nov 2013 11:31:06 +0000
From:	Mark Rutland <mark.rutland@....com>
To:	Alexander Shiyan <shc_work@...l.ru>
Cc:	"rtc-linux@...glegroups.com" <rtc-linux@...glegroups.com>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"grant.likely@...aro.org" <grant.likely@...aro.org>,
	"rob.herring@...xeda.com" <rob.herring@...xeda.com>,
	Pawel Moll <Pawel.Moll@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>
Subject: Re: [PATCH] rtc: rtc-ds1742: Add devicetree support

On Thu, Nov 14, 2013 at 12:32:42PM +0000, Alexander Shiyan wrote:
> This patch allows the driver to be enabled with devicetree.
> 
> Signed-off-by: Alexander Shiyan <shc_work@...l.ru>
> ---
>  Documentation/devicetree/bindings/rtc/maxim,ds1742.txt | 14 ++++++++++++++
>  drivers/rtc/rtc-ds1742.c                               | 10 +++++++++-
>  2 files changed, 23 insertions(+), 1 deletion(-)
>  create mode 100644 Documentation/devicetree/bindings/rtc/maxim,ds1742.txt
> 
> diff --git a/Documentation/devicetree/bindings/rtc/maxim,ds1742.txt b/Documentation/devicetree/bindings/rtc/maxim,ds1742.txt
> new file mode 100644
> index 0000000..d2ddd71
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/maxim,ds1742.txt
> @@ -0,0 +1,14 @@
> +* Maxim (Dallas) DS1742/DS1743 Real Time Clock
> +
> +Register a Maxim DS1742-compatible RTC.

The driver registration has nothing to do with the binding.

Either add a brief description of the device or remove this line
entirely.

> +
> +Required properties:
> +- compatible: Should be "maxim,ds1742".

s/be/contain/

> +- reg: Physical base address of the RTC and length of memory
> +  mapped region.
> +
> +Example:
> +	rtc: rtc@...00000 {
> +		compatible = "maxim,ds1742";
> +		reg = <0x10000000 0x800>;
> +	};

Otherwise this binding looks fine to me, with those changes.

Acked-by: Mark Rutland <mark.rutland@....com>

Mark.
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