linux-kernel - Re: [PATCH v3 2/2] media: et8ek8: Add documentation

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Date:	Tue, 14 Jun 2016 17:05:17 -0500
From:	Rob Herring <robh@...nel.org>
To:	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>
Cc:	sakari.ailus@....fi, sre@...nel.org, pali.rohar@...il.com,
	pavel@....cz, linux-media@...r.kernel.org, pawel.moll@....com,
	mark.rutland@....com, ijc+devicetree@...lion.org.uk,
	galak@...eaurora.org, mchehab@....samsung.com,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/2] media: et8ek8: Add documentation

On Sat, Jun 11, 2016 at 06:39:53PM +0300, Ivaylo Dimitrov wrote:
> Add DT bindings description

Not exactly the best commit msg.

> 
> Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>
> ---
>  .../bindings/media/i2c/toshiba,et8ek8.txt          | 50 ++++++++++++++++++++++
>  1 file changed, 50 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/i2c/toshiba,et8ek8.txt
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/toshiba,et8ek8.txt b/Documentation/devicetree/bindings/media/i2c/toshiba,et8ek8.txt
> new file mode 100644
> index 0000000..997d268
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/toshiba,et8ek8.txt
> @@ -0,0 +1,50 @@
> +Toshiba et8ek8 5MP sensor
> +
> +Toshiba et8ek8 5MP sensor is an image sensor found in Nokia N900 device
> +
> +More detailed documentation can be found in
> +Documentation/devicetree/bindings/media/video-interfaces.txt .
> +
> +
> +Mandatory properties
> +--------------------
> +
> +- compatible: "toshiba,et8ek8"
> +- reg: I2C address (0x3e, or an alternative address)
> +- vana-supply: Analogue voltage supply (VANA), 2.8 volts

> +- clocks: External clock to the sensor
> +- clock-frequency: Frequency of the external clock to the sensor

These should be mutually-exclusive. If you have a clock, then you can 
get the frequency at runtime.

Rob