linux-kernel - Re: [PATCH] [media] rc: ir-spi: add support for IR LEDs connected with SPI

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Message-ID: <20160705150826.GG1257@jack.zhora.eu>
Date:	Wed, 6 Jul 2016 00:08:26 +0900
From:	Andi Shyti <andi@...zian.org>
To:	Rob Herring <robh@...nel.org>
Cc:	Andi Shyti <andi.shyti@...sung.com>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Mark Rutland <mark.rutland@....com>,
	devicetree@...r.kernel.org, linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org, Andi Shyti <andi@...zian.org>
Subject: Re: [PATCH] [media] rc: ir-spi: add support for IR LEDs connected
 with SPI

Hi Rob,

> > The ir-spi is a simple device driver which supports the
> > connection between an IR LED and the MOSI line of an SPI device.
> 
> Please split the binding from the driver.

OK!

> > +Device tree bindings for IR LED connected through SPI bus which is used as
> > +remote controller.
> 
> Do said devices have part numbers? Seems kind of generic and I've never 
> seen such device.

No, it doesn't, this is a simple irled driven by the SPI MOSI
line that works as a remote controller.

It looked strange to me as well when I heard of it the first
time, but it will be present in the upcoming tm2/tm2e patchset 
(i.e. Samsung Note 4 and Note 4 edge).

> > +Optional properties:
> > +	- irled,switch: specifies the gpio switch which enables the irled
> 
> Just "switch-gpios"

OK!

> > +                controller-data {
> 
> This is part of the controller binding? Omit that from the example.

OK!

Thanks,
Andi