[PATCH 3/3] ARM: mxs: dts: Enable DCP for MXS

Marek Vasut marex at denx.de
Thu Sep 26 08:08:35 EDT 2013


Dear Lothar Waßmann,

> Hi,
> 
> Marek Vasut writes:
> > Enable the DCP by default on both i.MX23 and i.MX28.
> > 
> > Signed-off-by: Marek Vasut <marex at denx.de>
> > Cc: Herbert Xu <herbert at gondor.apana.org.au>
> > Cc: David S. Miller <davem at davemloft.net>
> > Cc: Fabio Estevam <fabio.estevam at freescale.com>
> > Cc: Shawn Guo <shawn.guo at linaro.org>
> > To: linux-crypto at vger.kernel.org
> > ---
> > 
> >  arch/arm/boot/dts/imx23.dtsi | 4 +++-
> >  arch/arm/boot/dts/imx28.dtsi | 5 +++--
> >  2 files changed, 6 insertions(+), 3 deletions(-)
> > 
> > diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi
> > index 87faa6e..0630a9a 100644
> > --- a/arch/arm/boot/dts/imx23.dtsi
> > +++ b/arch/arm/boot/dts/imx23.dtsi
> > @@ -337,8 +337,10 @@
> > 
> >  			};
> >  			
> >  			dcp at 80028000 {
> > 
> > +				compatible = "fsl,mxs-dcp";
> > 
> >  				reg = <0x80028000 0x2000>;
> > 
> > -				status = "disabled";
> > +				interrupts = <53 54>;
> > +				status = "okay";
> > 
> >  			};
> 
> AFAICT the policy seems to be that nodes, that are always enabled
> don't get a 'status' property at all.

This is new to me, thanks for letting me know!

As for the current DCP, please see my reply to Fabio in this thread.

Best regards,
Marek Vasut



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