linux-kernel - Re: [RFC 1/2] Dcumentation: bridge: Add documentation for ps8640 DT properties

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Date:	Fri, 16 Oct 2015 15:08:39 +0200
From:	Philipp Zabel <p.zabel@...gutronix.de>
To:	CK Hu <ck.hu@...iatek.com>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	David Airlie <airlied@...ux.ie>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Jitao Shi <jitao.shi@...iatek.com>,
	Thierry Reding <treding@...dia.com>,
	Ajay Kumar <ajaykumar.rs@...sung.com>,
	Inki Dae <inki.dae@...sung.com>,
	Rahul Sharma <rahul.sharma@...sung.com>,
	Sean Paul <seanpaul@...omium.org>,
	Vincent Palatin <vpalatin@...omium.org>,
	Andy Yan <andy.yan@...k-chips.com>,
	Russell King <rmk+kernel@....linux.org.uk>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, srv_heupstream@...iatek.com,
	Sascha Hauer <kernel@...gutronix.de>,
	yingjoe.chen@...iatek.com, eddie.huang@...iatek.com,
	cawa.cheng@...iatek.com
Subject: Re: [RFC 1/2] Dcumentation: bridge: Add documentation for ps8640 DT
 properties

Hi CK,

there is a typo in the subject: s/Dcumentation/Documentation/.

Am Freitag, den 16.10.2015, 20:15 +0800 schrieb CK Hu:
> From: Jitao Shi <jitao.shi@...iatek.com>
> 
> Add documentation for DT properties supported by ps8640
> DSI-eDP converter.
> 
> Signed-off-by: Jitao Shi <jitao.shi@...iatek.com>
[...]
> +	- ps8640-1v2-supply: OF device-tree regulator specification for 1v2.
> +	- ps8640-3v3-supply: OF device-tree regulator specification for 3v3.

The ps8640- part of the regulator supply property names is redundant.
The PS8622 driver uses vdd12-supply as its regulator. Should we strive
for consistency here? Or if you have access to the datasheet, how are
these inputs called there?

> +
> +Optional properties:
> +	- video interfaces: Device node can contain video interface port
> +			    nodes for panel according to [1].
> +
> +[1]: Documentation/devicetree/bindings/media/video-interfaces.txt

It should be documented here that port@0 is the input port and port@1 is
the output port.

best regards
Philipp

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