Re: [PATCH 2/2] dt-bindings: arm: sunxi: Fix Orange Pi Zero bindings

[Ondřej Jirman]

Hello Michal,

On Mon, Oct 12, 2020 at 08:04:02PM +0200, Michal Suchánek wrote:
> On Mon, Oct 12, 2020 at 04:47:53PM +0200, Maxime Ripard wrote:
> > On Thu, Oct 08, 2020 at 08:40:06PM +0200, Michal Suchanek wrote:
> > > There are two models of Orange Pi zero which are confusingly marketed
> > > under the same name. Old model comes without a flash memory and current
> > > model does have a flash memory. Add bindings for each model.
> > > 
> > > Signed-off-by: Michal Suchanek <msuchanek@xxxxxxx>
> > 
> > Unfortunately, changing a compatible or a DT filename is not an option
> 
> So how do you handle the situation when you find out that there are two
> different devices marketed under the same name?
> 
> Surely the device tree is labaled by the device name but now you need
> two device trees that describe the two devices.

You can for example make the new DT name *-flash.dts, instead
of changing the name of existing DT to *-noflash.dts. Or if there's
a version number on the PCB that differs from the older variant,
use that version to differentiate the newer board DT.

regards,
	o.

> Thanks
> 
> Michal