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Input: edt-ft5x06 - add support for Evervision FT5726

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Evervision displays are using different Focaltech touchscreen
controllers. This commit adds the initial support for the ones using the
FT5726 controller. Receiving the touch data is the same as for the
GENERIC_FT but the x and y cooridnates are swapped. The main differences
are the register addresses where the GAIN and THRESHOLD parameters are
stored.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Marco Felsch
2019-01-13 23:08:32 -08:00
committed by Dmitry Torokhov
parent 1eb7ea26d1
commit a2f39dac0d
2 changed files with 44 additions and 4 deletions
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4
Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
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@@ -1,11 +1,12 @@
FocalTech EDT-FT5x06 Polytouch driver
=====================================
There are 3 variants of the chip for various touch panel sizes
There are 5 variants of the chip for various touch panel sizes
FT5206GE1 2.8" .. 3.8"
FT5306DE4 4.3" .. 7"
FT5406EE8 7" .. 8.9"
FT5506EEG 7" .. 8.9"
FT5726NEI 5.7” .. 11.6"
The software interface is identical for all those chips, so that
currently there is no need for the driver to distinguish between the
@@ -19,6 +20,7 @@ Required properties:
or: "edt,edt-ft5306"
or: "edt,edt-ft5406"
or: "edt,edt-ft5506"
or: "evervision,ev-ft5726"
or: "focaltech,ft6236"
- reg: I2C slave address of the chip (0x38)