linux-kernel - Re: [PATCH v9 RESEND 4/4] ARM: dts: add sram for imx53 and imx6q

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Message-ID: <1364461518.4018.4.camel@pizza.hi.pengutronix.de>
Date:	Thu, 28 Mar 2013 10:05:18 +0100
From:	Philipp Zabel <p.zabel@...gutronix.de>
To:	Shawn Guo <shawn.guo@...aro.org>
Cc:	linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Huang Shijie <shijie8@...il.com>,
	Dong Aisheng <dong.aisheng@...aro.org>,
	Matt Porter <mporter@...com>,
	Fabio Estevam <fabio.estevam@...escale.com>,
	Javier Martin <javier.martin@...ta-silicon.com>,
	kernel@...gutronix.de, devicetree-discuss@...ts.ozlabs.org
Subject: Re: [PATCH v9 RESEND 4/4] ARM: dts: add sram for imx53 and imx6q

Am Donnerstag, den 28.03.2013, 10:54 +0800 schrieb Shawn Guo:
> On Wed, Mar 20, 2013 at 11:52:47AM +0100, Philipp Zabel wrote:
> > Signed-off-by: Philipp Zabel <p.zabel@...gutronix.de>
> > Reviewed-by: Shawn Guo <shawn.guo@...aro.org>
> > Acked-by: Grant Likely <grant.likely@...retlab.ca>
> > ---
> > Changes since v8:
> >  - Changed device tree compatible string to "mmio-sram"
> > ---
> >  arch/arm/boot/dts/imx53.dtsi |    5 +++++
> >  arch/arm/boot/dts/imx6q.dtsi |    6 ++++++
> >  2 files changed, 11 insertions(+)
> > 
> > diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi
> > index edc3f1e..69d0680 100644
> > --- a/arch/arm/boot/dts/imx53.dtsi
> > +++ b/arch/arm/boot/dts/imx53.dtsi
> > @@ -664,5 +664,10 @@
> >  				status = "disabled";
> >  			};
> >  		};
> > +
> > +		ocram: ocram@...00000 {
> > +			compatible = "fsl,imx-ocram", "mmio-sram";
> 
> We should probably just drop "fsl,imx-ocram".
> 
> Shawn

I thought that in the future somebody might want to implement some i.MX
OCRAM specifics in a different driver, like the L2 cache / OCRAM mode
switching, the timing settings, or the TrustZone bits that are
configurable in the IOMUXC GPR registers.

regards
Philipp

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