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RE: [PATCH v2 1/7] QE: Add IC, SI and SIRAM document to device tree bindings.

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On Thu, 2016-02-25 at 11:12  AM, Scott Wood wrote:
> -----Original Message-----
> From: Scott Wood [mailto:oss@buserror.net]
> Sent: Thursday, February 25, 2016 11:12 AM
> To: Qiang Zhao <qiang.zhao@nxp.com>; Rob Herring <robh@kernel.org>
> Cc: Yang-Leo Li <leoyang.li@nxp.com>; linux-kernel@vger.kernel.org;
> devicetree@vger.kernel.org; linuxppc-dev@lists.ozlabs.org
> Subject: Re: [PATCH v2 1/7] QE: Add IC, SI and SIRAM document to device tree
> bindings.
> 
> On Thu, 2016-02-25 at 03:10 +0000, Qiang Zhao wrote:
> > On Wed, 2016-02-24 at 04:20  AM, Scott Wood wrote:
> > > -----Original Message-----
> > > From: Scott Wood [mailto:oss@buserror.net]
> > > Sent: Wednesday, February 24, 2016 4:20 AM
> > > To: Rob Herring <robh@kernel.org>; Qiang Zhao <qiang.zhao@nxp.com>
> > > Cc: Yang-Leo Li <leoyang.li@nxp.com>; linux-kernel@vger.kernel.org;
> > > devicetree@vger.kernel.org; linuxppc-dev@lists.ozlabs.org
> > > Subject: Re: [PATCH v2 1/7] QE: Add IC, SI and SIRAM document to
> > > device tree bindings.
> > >
> > > On Tue, 2016-02-23 at 14:15 -0600, Rob Herring wrote:
> > > > On Thu, Feb 18, 2016 at 09:06:06AM +0800, Zhao Qiang wrote:
> > > > > Add IC, SI and SIRAM document of QE to
> > > > > Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe.txt
> > > > >
> > > > > Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
> > > > > ---
> > > > > Changes for v2
> > > > > 	- Add interrupt-controller in Required properties
> > > > > 	- delete address-cells and size-cells for qe-si and qe-siram
> > > > >
> > > > >  .../devicetree/bindings/powerpc/fsl/cpm_qe/qe.txt  | 50
> > > > > ++++++++++++++++++++++
> > > > >  1 file changed, 50 insertions(+)
> > > > >
> > > > > diff --git
> > > > > a/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe.txt
> > > > > b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe.txt
> > > > > index 4f89302..84052a7 100644
> > > > > ---
> > > > > a/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe.txt
> > > > > +++ b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe.tx
> > > > > +++ t
> > > > > @@ -69,6 +69,56 @@ Example:
> > > > >  	};
> > > > >       };
> > > > >
> > > > > +* Interrupt Controller (IC)
> > > > > +
> > > > > +Required properties:
> > > > > +- compatible : should be "fsl,qe-ic".
> > > >
> > > > > +- compatible : should be "fsl,qe-si".
> > > >
> > > > > +- compatible : should be "fsl,qe-siram".
> > > >
> > > > These compatible strings are all a bit generic and should have SoC
> > > > specific compatible strings.
> > >
> > > I don't know about si/siram, but "fsl,qe-ic" has been around since
> > > 2008, so it should be documented even if a more specific compatible
> > > is also added.
> >
> > Agree, and si/siram are also has been around since 2008.
> 
> Where?  I couldn't find them when grepping.

Sorry, I make a mistake, they have not been in upstream.

> 
> > In addition, I don’t think it is needed to add specific compatible,
> > because they are the same in qe-supported soc.
> 
> How do we know that they are 100% the same?

You mean it will be changed in later version?

BR
-Zhao

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Thread

Re: [PATCH v2 1/7] QE: Add IC, SI and SIRAM document to device tree  bindings. Rob Herring <robh@kernel.org> - 2016-02-23 21:20 +0100
  Re: [PATCH v2 1/7] QE: Add IC, SI and SIRAM document to device tree  bindings. Scott Wood <oss@buserror.net> - 2016-02-23 21:30 +0100
    Re: [PATCH v2 1/7] QE: Add IC, SI and SIRAM document to device tree  bindings. Scott Wood <oss@buserror.net> - 2016-02-25 04:20 +0100
      Re: [PATCH v2 1/7] QE: Add IC, SI and SIRAM document to device tree  bindings. Scott Wood <oss@buserror.net> - 2016-02-25 07:00 +0100
      RE: [PATCH v2 1/7] QE: Add IC, SI and SIRAM document to device tree  bindings. Qiang Zhao <qiang.zhao@nxp.com> - 2016-02-25 07:00 +0100
    RE: [PATCH v2 1/7] QE: Add IC, SI and SIRAM document to device tree  bindings. Qiang Zhao <qiang.zhao@nxp.com> - 2016-02-25 04:50 +0100

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