linux-kernel - Re: [PATCH] Doc: USB: gadget: atmel_usba correct atmel,vbus-gpio meaning

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Date:	Fri, 28 Feb 2014 15:36:51 +0100
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
CC:	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-doc@...r.kernel.org>, Rob Landley <rob@...dley.net>,
	"Jean-Christophe Plagniol-Villard" <plagnioj@...osoft.com>,
	Felipe Balbi <balbi@...com>,
	"Maxime Ripard" <maxime.ripard@...e-electrons.com>,
	Gregory Clement <gregory.clement@...e-electrons.com>
Subject: Re: [PATCH] Doc: USB: gadget: atmel_usba correct atmel,vbus-gpio
 meaning

On 27/02/2014 16:45, Alexandre Belloni :
> atmel,at91sam9rl-udc is a USB gadget, it has now means to control vbus.

s/now/no/

> atmel,vbus-gpio is in fact used to detect the presence of vbus.
> 
> Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>

Acked-by: Nicolas Ferre <nicolas.ferre@...el.com>

> ---
>  Documentation/devicetree/bindings/usb/atmel-usb.txt | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/atmel-usb.txt b/Documentation/devicetree/bindings/usb/atmel-usb.txt
> index 55f51af08bc7..bc2222ca3f2a 100644
> --- a/Documentation/devicetree/bindings/usb/atmel-usb.txt
> +++ b/Documentation/devicetree/bindings/usb/atmel-usb.txt
> @@ -57,8 +57,8 @@ Required properties:
>   - ep childnode: To specify the number of endpoints and their properties.
>  
>  Optional properties:
> - - atmel,vbus-gpio: If present, specifies a gpio that needs to be
> -   activated for the bus to be powered.
> + - atmel,vbus-gpio: If present, specifies a gpio that allows to detect whether
> +   vbus is present (USB is connected).
>  
>  Required child node properties:
>   - name: Name of the endpoint.
> 


-- 
Nicolas Ferre
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