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

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Message-ID: <20130328142106.GA699@S2101-09.ap.freescale.net>
Date:	Thu, 28 Mar 2013 22:22:08 +0800
From:	Shawn Guo <shawn.guo@...aro.org>
To:	Philipp Zabel <p.zabel@...gutronix.de>
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

On Thu, Mar 28, 2013 at 10:05:18AM +0100, Philipp Zabel wrote:
> > > +
> > > +		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.

We can add i.MX OCRAM specific compatible when we see that real need.
Also, generally we should use a specific chip/osc name rather than "imx"
for compatible to specify the particular hardware version.

Shawn

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