linux-kernel - Re: [PATCH v4 6/8] Documentation: dt: kona-timer: Add clocks property

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Date:	Sat, 14 Dec 2013 00:19:08 -0800
From:	Christian Daudt <bcm@...thebug.org>
To:	Tim Kryger <tim.kryger@...aro.org>
Cc:	Rob Herring <rob.herring@...xeda.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Chris Ball <cjb@...top.org>, Axel Lin <axel.lin@...ics.com>,
	Device Tree List <devicetree@...r.kernel.org>,
	Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux MMC List <linux-mmc@...r.kernel.org>,
	Linaro Patches List <patches@...aro.org>
Subject: Re: [PATCH v4 6/8] Documentation: dt: kona-timer: Add clocks property

On Thu, Dec 5, 2013 at 11:20 AM, Tim Kryger <tim.kryger@...aro.org> wrote:
> The frequency for the Kona timer can either be specified through the
> device tree or determined by checking the rate of the clock specified
> in the device tree.  Update the documentation to reflect both ways.
>
> Signed-off-by: Tim Kryger <tim.kryger@...aro.org>
> Reviewed-by: Matt Porter <matt.porter@...aro.org>
> ---
>  Documentation/devicetree/bindings/arm/bcm/kona-timer.txt | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/arm/bcm/kona-timer.txt b/Documentation/devicetree/bindings/arm/bcm/kona-timer.txt
> index 17d88b2..39adf54 100644
> --- a/Documentation/devicetree/bindings/arm/bcm/kona-timer.txt
> +++ b/Documentation/devicetree/bindings/arm/bcm/kona-timer.txt
> @@ -8,13 +8,18 @@ Required properties:
>  - DEPRECATED: compatible : "bcm,kona-timer"
>  - reg : Register range for the timer
>  - interrupts : interrupt for the timer
> +- clocks: phandle + clock specifier pair of the external clock
>  - clock-frequency: frequency that the clock operates
>
> +Only one of clocks or clock-frequency should be specified.
> +
> +Refer to clocks/clock-bindings.txt for generic clock consumer properties.
> +
>  Example:
>         timer@...06000 {
>                 compatible = "brcm,kona-timer";
>                 reg = <0x35006000 0x1000>;
>                 interrupts = <0x0 7 0x4>;
> -               clock-frequency = <32768>;
> +               clocks = <&hub_timer_clk>;
>         };
>
> --
> 1.8.0.1
>
Reviewed-by: Christian Daudt <bcm@...thebug.org>
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