linux-kernel - Re: [PATCH 2/7] ARM: tegra: update device trees for USB binding rework

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Date:	Wed, 20 Mar 2013 14:24:54 +0200
From:	Felipe Balbi <balbi@...com>
To:	Venu Byravarasu <vbyravarasu@...dia.com>
CC:	kishon <kishon@...com>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"stern@...land.harvard.edu" <stern@...land.harvard.edu>,
	"balbi@...com" <balbi@...com>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"swarren@...dotorg.org" <swarren@...dotorg.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>
Subject: Re: [PATCH 2/7] ARM: tegra: update device trees for USB binding
 rework

On Wed, Mar 20, 2013 at 05:47:46PM +0530, Venu Byravarasu wrote:
> > -----Original Message-----
> > From: kishon [mailto:kishon@...com]
> > Sent: Wednesday, March 20, 2013 4:53 PM
> > To: Venu Byravarasu
> > Cc: gregkh@...uxfoundation.org; stern@...land.harvard.edu;
> > balbi@...com; linux-usb@...r.kernel.org; linux-kernel@...r.kernel.org;
> > swarren@...dotorg.org; linux-tegra@...r.kernel.org; devicetree-
> > discuss@...ts.ozlabs.org
> > Subject: Re: [PATCH 2/7] ARM: tegra: update device trees for USB binding
> > rework
> > 
> > Hi,
> > 
> > On Monday 18 March 2013 05:59 PM, Venu Byravarasu wrote:
> > > This patch updates all Tegra board files so that they contain all the
> > > properties required by the updated USB DT binding. Note that this patch
> > > only adds the new properties and does not yet remove the old properties,
> > > in order to maintain bisectability. The old properties will be removed
> > > once the driver has been updated to assume the new bindings.
> > >
> > > Signed-off-by: Venu Byravarasu <vbyravarasu@...dia.com>
> > > ---
> > >   arch/arm/boot/dts/tegra20-colibri-512.dtsi |    4 +++
> > >   arch/arm/boot/dts/tegra20-harmony.dts      |    8 +++---
> > >   arch/arm/boot/dts/tegra20-iris-512.dts     |    4 +++
> > >   arch/arm/boot/dts/tegra20-paz00.dts        |    8 +++---
> > >   arch/arm/boot/dts/tegra20-seaboard.dts     |   13 +++++++---
> > >   arch/arm/boot/dts/tegra20-trimslice.dts    |   12 +++++++---
> > >   arch/arm/boot/dts/tegra20-ventana.dts      |    7 +++--
> > >   arch/arm/boot/dts/tegra20.dtsi             |   32 +++++++++++++++++----------
> > >   8 files changed, 57 insertions(+), 31 deletions(-)
> > >
> > > diff --git a/arch/arm/boot/dts/tegra20-colibri-512.dtsi
> > b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
> > > index cb73e62..af5a7ae 100644
> > > --- a/arch/arm/boot/dts/tegra20-colibri-512.dtsi
> > > +++ b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
> > > @@ -443,6 +443,10 @@
> > >   		nvidia,phy-reset-gpio = <&gpio 169 0>; /* gpio PV1 */
> > >   	};
> > >
> > > +	usb-phy@...04000 {
> > This node doesn't have a *reg* property. So "@c5004000" is not needed.
> > This comment applies to all the nodes which doesn't have *reg* property.
> 
> Thanks Kishon for the comments.
> As I've 3 usb-phy DT nodes, how to differentiate between them if I remove this @Address ?

then add reg property :-)

-- 
balbi

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