From: Thierry Reding <thierry.reding@gmail.com>
To: "Li.Xiubo@freescale.com" <Li.Xiubo@freescale.com>
Cc: "broonie@kernel.org" <broonie@kernel.org>,
"mark.rutland@arm.com" <mark.rutland@arm.com>,
"robh+dt@kernel.org" <robh+dt@kernel.org>,
"pawel.moll@arm.com" <pawel.moll@arm.com>,
"ijc+devicetree@hellion.org.uk" <ijc+devicetree@hellion.org.uk>,
"galak@codeaurora.org" <galak@codeaurora.org>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>
Subject: Re: [PATCHv6 2/2] dt/bindings: Add the DT binding documentation for endianness
Date: Wed, 20 Aug 2014 11:43:41 +0200 [thread overview]
Message-ID: <20140820094340.GC15414@ulmo> (raw)
In-Reply-To: <10ad24319e6a486db77c31a5a911140e@BN1PR0301MB0609.namprd03.prod.outlook.com>
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On Wed, Aug 20, 2014 at 09:14:02AM +0000, Li.Xiubo@freescale.com wrote:
> > Subject: Re: [PATCHv6 2/2] dt/bindings: Add the DT binding documentation for
> > endianness
> >
> > On Tue, Jul 15, 2014 at 12:23:03PM +0800, Xiubo Li wrote:
> > > Device-Tree binding for device endianness
> > > Index Device Endianness properties
> > > ---------------------------------------------------
> > > 1 BE 'big-endian'
> > > 2 LE 'little-endian'
> > >
> > > For one device driver, which will run in different scenarios above
> > > on different SoCs using the devicetree, we need one way to simplify
> > > this.
> > >
> > > Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
> > > ---
> > > .../devicetree/bindings/regmap/regmap.txt | 47
> > ++++++++++++++++++++++
> > > 1 file changed, 47 insertions(+)
> > > create mode 100644 Documentation/devicetree/bindings/regmap/regmap.txt
> >
> > Sorry for jumping in so late. I think this binding documentation needs
> > to be moved somewhere else. regmap is a Linux kernel specific
> > implementation detail and therefore has no place in device tree binding
> > descriptions. Furthermore the endianness properties described herein do
> > apply to drivers that don't use regmap.
> >
> > Perhaps we need some top-level file that describes generic properties
> > such as this?
> >
> > Thierry
>
> Yes, I do agree.
> And there are many devices that have the endian issue without using the
> Regmap in our LS* SoCs.
>
> And I also think one generic binding description of this will be much
> better.
>
> Where should we place it? In Documentation/devicetree/bindings/, or...?
Documentation/devicetree/bindings/standard-properties.txt perhaps?
Thierry
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next prev parent reply other threads:[~2014-08-20 9:43 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-15 4:23 [PATCHv6 0/2] add DT endianness binding support for regmap Xiubo Li
2014-07-15 4:23 ` [PATCHv6 1/2] regmap: add DT endianness binding support Xiubo Li
2014-07-15 4:23 ` [PATCHv6 2/2] dt/bindings: Add the DT binding documentation for endianness Xiubo Li
2014-07-15 5:33 ` Varka Bhadram
[not found] ` <53C4BD24.9000503-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-07-15 5:36 ` Li.Xiubo-KZfg59tc24xl57MIdRCFDg
[not found] ` <1405398183-31345-3-git-send-email-Li.Xiubo-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2014-08-20 8:05 ` Thierry Reding
2014-08-20 9:14 ` Li.Xiubo-KZfg59tc24xl57MIdRCFDg
2014-08-20 9:43 ` Thierry Reding [this message]
2014-08-06 1:58 ` [PATCHv6 0/2] add DT endianness binding support for regmap Li.Xiubo
2014-08-16 13:14 ` Mark Brown
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