linux-kernel - Re: [PATCH v2 1/4] iio: adc: Document the regulator/clocks for exynos-adc

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Message-ID: <CAHfPSqC3SYAxK4vJydzabWzbLyfFXUF82WPCp6s4vr9WoeWWFw@mail.gmail.com>
Date:	Fri, 15 Mar 2013 13:35:52 +0530
From:	Naveen Krishna Ch <naveenkrishna.ch@...il.com>
To:	Doug Anderson <dianders@...omium.org>
Cc:	Jonathan Cameron <jic23@...nel.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Naveen Krishna Chatradhi <ch.naveen@...sung.com>,
	Olof Johansson <olof@...om.net>,
	Guenter Roeck <linux@...ck-us.net>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Rob Landley <rob@...dley.net>,
	devicetree-discuss@...ts.ozlabs.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/4] iio: adc: Document the regulator/clocks for exynos-adc

Doug,

On 14 March 2013 02:09, Doug Anderson <dianders@...omium.org> wrote:
> The exynos ADC won't work without a regulator called "vdd" and a clock
> called "adc".  Document this fact in the device tree bindings.
>
> Signed-off-by: Doug Anderson <dianders@...omium.org>
Thanks for the correction. Clocks and regulator is needed.
I missed it out, as i did not submit the arch side changes
> ---
> Changes in v2: None
>
>  Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt b/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt
> index f686378..96db940 100644
> --- a/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt
> +++ b/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt
> @@ -20,6 +20,9 @@ Required properties:
>                         format is being dependent on which interrupt controller
>                         the Samsung device uses.
>  - #io-channel-cells = <1>; As ADC has multiple outputs
> +- clocks               From common clock binding: handle to adc clock.
> +- clock-names          From common clock binding: Shall be "adc".
> +- vdd-supply           VDD input supply.
>
>  Note: child nodes can be added for auto probing from device tree.
>
> @@ -31,6 +34,11 @@ adc: adc@...10000 {
>         interrupts = <0 106 0>;
>         #io-channel-cells = <1>;
>         io-channel-ranges;
> +
> +       clocks = <&clock 303>;
> +       clock-names = "adc";
> +
> +       vdd-supply = <&buck5_reg>;
>  };
>
>
> --
> 1.8.1.3
>
> --
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