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From: Pavel Machek <pavel@ucw.cz>
To: Rob Herring <robh@kernel.org>
Cc: ivo.g.dimitrov.75@gmail.com, sakari.ailus@iki.fi, sre@kernel.org,
	pali.rohar@gmail.com, linux-media@vger.kernel.org,
	pawel.moll@arm.com, mark.rutland@arm.com,
	ijc+devicetree@hellion.org.uk, galak@codeaurora.org,
	mchehab@osg.samsung.com, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4] media: et8ek8: add device tree binding documentation
Date: Thu, 3 Nov 2016 13:47:49 +0100	[thread overview]
Message-ID: <20161103124749.GA22180@amd> (raw)
In-Reply-To: <20161030204134.hpmfrnqhd4mg563o@rob-hp-laptop>

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Hi!

> > +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. Camera
> > +  driver will set this frequency on the external clock.
> 
> This is fine if the frequency is fixed (e.g. an oscillator), but you 
> should use the clock binding if clocks are programable.

It is fixed. So I assume this can stay as is? Or do you want me to add
"The clock frequency is a pre-determined frequency known to be
suitable to the board." as Sakari suggests?

> > +- reset-gpios: XSHUTDOWN GPIO
> 
> Please state what the active polarity is.

As in "This gpio will be set to 1 when the chip is powered." ?

Thanks,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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  parent reply	other threads:[~2016-11-03 12:47 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-23 19:17 Pavel Machek
2016-10-23 20:06 ` Sakari Ailus
2016-10-30 20:41 ` Rob Herring
2016-10-31 22:47   ` Sakari Ailus
2016-11-03 12:47   ` Pavel Machek [this message]
2016-11-03 22:20     ` Sakari Ailus
2016-11-07 10:36       ` Pavel Machek
2016-11-07 10:46   ` [PATCH v5] " Pavel Machek
2016-11-11 12:17     ` Pavel Machek
2016-11-14 16:20     ` Rob Herring
2016-11-14 18:30     ` [PATCH v6] " Pavel Machek
2016-11-14 18:39       ` Rob Herring
2016-12-20 13:05       ` Sakari Ailus
2016-12-21 13:20         ` Pavel Machek

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