RE: [PATCHv6 2/2] dt/bindings: Add the DT binding documentation for endianness

[Li.Xiubo@xxxxxxxxxxxxx]

> 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@xxxxxxxxxxxxx>
> > ---
> >  .../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...?


Thanks,

BRs
Xiubo


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