Re: [PATCHv4 2/5] Input: edt-ft5x06: Add DT support

[Lothar WaÃmann]

Hi,

Simon Budig wrote:
> On 20/03/14 12:40, Lothar WaÃmann wrote:
> > The FT5x06 datasheet lists 3 variants for different panel sizes.
> > I'll add distinct compatible strings for those chips, though their SW
> > interface is (currently) identical:
> > |Required properties:
> > | - compatible:  "edt,edt-ft5206", "edt,edt-ft5x06"
> > |           or:  "edt,edt-ft5306", "edt,edt-ft5x06"
> > |           or:  "edt,edt-ft5406", "edt,edt-ft5x06"
> 
> Please note that the M09 variants of the polytouch family will use the
> same chips, but a different sw protocol (see Patch 5/5).
> 
The firmware version can be detected by SW, thus there is no need to
distinguish it via DT.

> I don't know anything about the naming scheme used in the device tree,
> but I am not sure if the chip-ID is actually useful here.
> 
Since the chip variants handle different panel sizes, it might be useful
to be able to distinguish them.


Lothar WaÃmann
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