linux-kernel - Re: [PATCH 2/2] gpio: adnp: dt: Reference generic interrupt binding

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Date:	Wed, 19 Sep 2012 10:45:16 -0500
From:	Rob Herring <robherring2@...il.com>
To:	Thierry Reding <thierry.reding@...onic-design.de>
CC:	devicetree-discuss@...ts.ozlabs.org,
	Linus Walleij <linus.walleij@...ricsson.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] gpio: adnp: dt: Reference generic interrupt binding

On 09/19/2012 03:57 AM, Thierry Reding wrote:
> Instead of having to duplicate the description of the properties needed
> for interrupt support, reference the new standard document.
> 
> Cc: Linus Walleij <linus.walleij@...ricsson.com>
> Cc: Grant Likely <grant.likely@...retlab.ca>
> Cc: Rob Herring <rob.herring@...xeda.com>
> Cc: devicetree-discuss@...ts.ozlabs.org
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Thierry Reding <thierry.reding@...onic-design.de>
> ---
> This patch should go through LinusW's tree because it already carries
> the patch that created this documentation.
> 
>  Documentation/devicetree/bindings/gpio/gpio-adnp.txt | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/gpio/gpio-adnp.txt b/Documentation/devicetree/bindings/gpio/gpio-adnp.txt
> index 5a09a21..625eee7 100644
> --- a/Documentation/devicetree/bindings/gpio/gpio-adnp.txt
> +++ b/Documentation/devicetree/bindings/gpio/gpio-adnp.txt
> @@ -11,6 +11,10 @@ Required properties:
>  - gpio-controller: Marks the device as a GPIO controller
>  - nr-gpios: The number of pins supported by the controller.
>  
> +The GPIO exander can optionally be used as an interrupt controller, in

s/exander/expander/

Otherwise,

Acked-by: Rob Herring <rob.herring@...xeda.com>

> +which case it uses the default two cell specifier as described in
> +Documentation/devicetree/bindings/interrupt-controller/interrupts.txt.
> +
>  Example:
>  
>  	gpioext: gpio-controller@41 {
> 

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