linux-kernel - RE: [PATCH v2] arm: koelsch: make USB0 perform Host/Function switching

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Message-ID: <SIXPR06MB0639A6F4258A9BE3B6AB16DDF5970@SIXPR06MB0639.apcprd06.prod.outlook.com>
Date:	Thu, 2 Jul 2015 12:11:00 +0000
From:	Phil Edworthy <phil.edworthy@...esas.com>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	Simon Horman <horms@...ge.net.au>
CC:	Magnus Damm <magnus.damm@...il.com>,
	Kishon Vijay Abraham I <kishon@...com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	"Yoshihiro Shimoda" <yoshihiro.shimoda.uh@...esas.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"linux-sh@...r.kernel.org" <linux-sh@...r.kernel.org>
Subject: RE: [PATCH v2] arm: koelsch: make USB0 perform Host/Function
 switching

Hi Sergei.

On 02 July 2015 12:32, Sergei wrote:
> Hello.
> 
> On 7/2/2015 11:14 AM, Phil Edworthy wrote:
> 
> > Both USB Host (pci0) and Function (USBHS) drivers are enabled.
> > The USB PHY driver determines which IP block should be connected
> > based on vbus and id signals read via gpios.
> 
> > Note that switch SW5 and SW6 on Koelsch board needs to be set to
> > position 3 for this to work.
> 
> [...]
> 
> > diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts
> b/arch/arm/boot/dts/r8a7791-koelsch.dts
> > index cffe33f..1bb34d0 100644
> > --- a/arch/arm/boot/dts/r8a7791-koelsch.dts
> > +++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
> > @@ -615,7 +615,6 @@
> >
> >   &pci0 {
> >   	status = "okay";
> > -	pinctrl-0 = <&usb0_pins>;
> >   	pinctrl-names = "default";
> 
>     As you're removing "pinctrl-0" prop, you also should remove "pinctrl-names".
Ok.

> >   };
> >
> > @@ -627,13 +626,15 @@
> >
> >   &hsusb {
> >   	status = "okay";
> > -	pinctrl-0 = <&usb0_pins>;
> 
>     Likewise.
Sure.

> [...]
> 
> WBR, Sergei

Thanks
Phil
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