Thread (32 messages) 32 messages, 6 authors, 2014-03-28

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

From: Lothar Waßmann <hidden>
Date: 2014-03-20 12:06:51
Also in: linux-devicetree, lkml

Hi,

Simon Budig wrote:
On 20/03/14 12:40, Lothar Waßmann wrote:
quoted
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 Waßmann
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