linux-kernel - Re: [PATCH] ARM: BCM5301X: Set GPIO enabling USB power on Netgear R7000

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Date:	Tue, 21 Jun 2016 14:22:05 +0200
From:	"Imre Kaloz" <kaloz@...nwrt.org>
To:	"Florian Fainelli" <f.fainelli@...il.com>,
	Rafał Miłecki <zajec5@...il.com>
Cc:	"Mark Rutland" <mark.rutland@....com>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@...r.kernel.org>, "Pawel Moll" <pawel.moll@....com>,
	"Ian Campbell" <ijc+devicetree@...lion.org.uk>,
	"Hauke Mehrtens" <hauke@...ke-m.de>,
	"Russell King" <linux@...linux.org.uk>,
	"open list" <linux-kernel@...r.kernel.org>,
	"Rob Herring" <robh+dt@...nel.org>,
	"open list:BROADCOM BCM5301X ARM ARCHITECTURE" 
	<bcm-kernel-feedback-list@...adcom.com>,
	"Kumar Gala" <galak@...eaurora.org>,
	"open list:BROADCOM BCM5301X ARM ARCHITECTURE" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] ARM: BCM5301X: Set GPIO enabling USB power on Netgear
 R7000

Is there any reason you are not handling this properly as a regulator with  
usb-nop-xceiv?


Imre

On Tue, 21 Jun 2016 13:42:38 +0200, Rafał Miłecki <zajec5@...il.com> wrote:

> There is one GPIO controlling power for both USB ports.
>
> Signed-off-by: Rafał Miłecki <zajec5@...il.com>
> ---
>  arch/arm/boot/dts/bcm4709-netgear-r7000.dts | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/arch/arm/boot/dts/bcm4709-netgear-r7000.dts  
> b/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
> index a22ed14..a76486b 100644
> --- a/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
> +++ b/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
> @@ -104,3 +104,11 @@
>  &uart0 {
>  	status = "okay";
>  };
> +
> +&usb2 {
> +	vcc-gpio = <&chipcommon 0 GPIO_ACTIVE_HIGH>;
> +};
> +
> +&usb3 {
> +	vcc-gpio = <&chipcommon 0 GPIO_ACTIVE_HIGH>;
> +};