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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Tony Prisk <linux@prisktech.co.nz>
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>,
	linux-sh@vger.kernel.org, Simon Horman <horms@verge.net.au>,
	Phil Edworthy <phil.edworthy@renesas.com>,
	Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
	devicetree-discuss@lists.ozlabs.org,
	Magnus Damm <magnus.damm@gmail.com>,
	Paul Mundt <lethal@linux-sh.org>,
	Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>,
	Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Subject: Re: [PATCH 1/9] sh-pfc: Add OF support
Date: Mon, 07 Jan 2013 18:56:19 +0000	[thread overview]
Message-ID: <2696178.tZLZqFqVI9@avalon> (raw)
In-Reply-To: <1357261926.25326.2.camel@gitbox>

Hi Tony,

On Friday 04 January 2013 14:12:06 Tony Prisk wrote:
> On Fri, 2013-01-04 at 01:40 +0100, Laurent Pinchart wrote:
> > +- #gpio-cells: Should be 2. The first cell is the pin number and the
> > second cell
> > +  is used to specify optional parameters (currently unused).
> 
> ...
> 
> > +	gpio: pfc@e6050000 {
> > +		compatible = "renesas,pfc-sh73a0";
> > +		reg = <0xe6050000 0x8000>,
> > +		      <0xe605801c 0x1c>;
> > +		gpio-controller;
> > +		#gpio-cells = <2>;
> > +	};
> > +
> > +Example 2: A GPIO LED node that references a GPIO
> > +
> > +	leds {
> > +		compatible = "gpio-leds";
> > +		led1 {
> > +			gpios = <&gpio 20 1>; /* Active low */
> > +		};
> > +	};
> > +
> 
> The second cell of gpio is '(currently unused)' but the example shows it
> being used?

My bad. The second cell can be used to specify that the GPIO is active low. 
I'll fix the documentation accordingly.

-- 
Regards,

Laurent Pinchart


WARNING: multiple messages have this Message-ID (diff)
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Tony Prisk <linux@prisktech.co.nz>
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>,
	linux-sh@vger.kernel.org, Simon Horman <horms@verge.net.au>,
	Phil Edworthy <phil.edworthy@renesas.com>,
	Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
	devicetree-discuss@lists.ozlabs.org,
	Magnus Damm <magnus.damm@gmail.com>,
	Paul Mundt <lethal@linux-sh.org>,
	Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>,
	Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Subject: Re: [PATCH 1/9] sh-pfc: Add OF support
Date: Mon, 07 Jan 2013 19:56:19 +0100	[thread overview]
Message-ID: <2696178.tZLZqFqVI9@avalon> (raw)
In-Reply-To: <1357261926.25326.2.camel@gitbox>

Hi Tony,

On Friday 04 January 2013 14:12:06 Tony Prisk wrote:
> On Fri, 2013-01-04 at 01:40 +0100, Laurent Pinchart wrote:
> > +- #gpio-cells: Should be 2. The first cell is the pin number and the
> > second cell
> > +  is used to specify optional parameters (currently unused).
> 
> ...
> 
> > +	gpio: pfc@e6050000 {
> > +		compatible = "renesas,pfc-sh73a0";
> > +		reg = <0xe6050000 0x8000>,
> > +		      <0xe605801c 0x1c>;
> > +		gpio-controller;
> > +		#gpio-cells = <2>;
> > +	};
> > +
> > +Example 2: A GPIO LED node that references a GPIO
> > +
> > +	leds {
> > +		compatible = "gpio-leds";
> > +		led1 {
> > +			gpios = <&gpio 20 1>; /* Active low */
> > +		};
> > +	};
> > +
> 
> The second cell of gpio is '(currently unused)' but the example shows it
> being used?

My bad. The second cell can be used to specify that the GPIO is active low. 
I'll fix the documentation accordingly.

-- 
Regards,

Laurent Pinchart


  reply	other threads:[~2013-01-07 18:56 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-04  0:40 [PATCH 0/9] SH pinctrl DT support Laurent Pinchart
2013-01-04  0:40 ` [PATCH 1/9] sh-pfc: Add OF support Laurent Pinchart
2013-01-04  0:40   ` Laurent Pinchart
2013-01-04  1:12   ` Tony Prisk
2013-01-04  1:12     ` Tony Prisk
2013-01-07 18:56     ` Laurent Pinchart [this message]
2013-01-07 18:56       ` Laurent Pinchart
  -- strict thread matches above, loose matches on Subject: below --
2013-02-13  3:29 [PATCH v2.1 0/9] SH pinctrl DT support Simon Horman
2013-02-13  3:29 ` [PATCH 1/9] sh-pfc: Add OF support Simon Horman
2013-02-13  3:29   ` Simon Horman
2013-02-13  3:29   ` Simon Horman
2013-02-15 19:37   ` Linus Walleij
2013-02-15 19:37     ` Linus Walleij
2013-02-15 19:37     ` Linus Walleij

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