[PATCH V2] QorIQ/TMU: add TMU node to device tree for QorIQ T104x

Scott Wood scottwood at freescale.com
Wed Jun 10 03:47:29 AEST 2015


On Mon, 2015-06-08 at 21:19 -0500, Jia Hongtao-B38951 wrote:
> > -----Original Message-----
> > From: Wood Scott-B07421
> > Sent: Wednesday, May 27, 2015 3:38 AM
> > To: Jia Hongtao-B38951
> > Cc: edubezval at gmail.com; linuxppc-dev at lists.ozlabs.org;
> > devicetree at vger.kernel.org; robh+dt at kernel.org; rui.zhang at intel.com
> > Subject: Re: [PATCH V2] QorIQ/TMU: add TMU node to device tree for 
> > QorIQ
> > T104x
> > 
> > On Tue, 2015-05-26 at 01:33 -0500, Jia Hongtao-B38951 wrote:
> > > diff --git a/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi
> > > > b/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi
> > > > index 15ae462..bb9f792 100644
> > > > --- a/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi
> > > > +++ b/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi
> > > > @@ -345,6 +345,7 @@
> > > >             reg        = <0xea000 0x4000>;
> > > >     };
> > > > 
> > > > +/include/ "qoriq-tmu-t104xsi.dtsi"
> > > >  /include/ "elo3-dma-0.dtsi"
> > > >  /include/ "elo3-dma-1.dtsi"
> > > >  /include/ "qoriq-espi-0.dtsi"
> > 
> > Why is this chip-specific enough to be called "t104xsi", but not 
> > chip-
> > specific enough to just go directly into t1040si-post?
> 
> T104x platform share the same calibration data.

Which t104x are you referring to that doesn't use t1040si-post.dtsi?  
Plus, given the numbering scheme it's always possible that a new t104x 
comes out that has little to do with existing t104x.

-Scott




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