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| author | Jelle van der Waa <jelle@vdwaa.nl> | 2017-01-14 10:25:02 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-02-09 13:54:51 -0800 |
| commit | 83f66a6f08fa4004d6fb9d50c57735067bbbb405 (patch) | |
| tree | 006b080925a040a0bcfa9cafdcef85931e5e619f /Documentation/devicetree/bindings | |
| parent | 45536d373a21d441bd488f618b6e3e9bfae839f3 (diff) | |
| download | linux-83f66a6f08fa4004d6fb9d50c57735067bbbb405.tar.gz linux-83f66a6f08fa4004d6fb9d50c57735067bbbb405.tar.bz2 linux-83f66a6f08fa4004d6fb9d50c57735067bbbb405.zip | |
Input: add driver for Zeitec ZET6223
This is a basic driver for the Zeitec ZET6223 I2C touchscreen
controllers. The driver does not support firmware loading, which is not
required for all tablets which contain this chip.
Signed-off-by: Jelle van der Waa <jelle@vdwaa.nl>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings')
| -rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/zet6223.txt | 32 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/vendor-prefixes.txt | 1 |
2 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/zet6223.txt b/Documentation/devicetree/bindings/input/touchscreen/zet6223.txt new file mode 100644 index 000000000000..fe6a1feef703 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/zet6223.txt @@ -0,0 +1,32 @@ +Zeitec ZET6223 I2C touchscreen controller + +Required properties: +- compatible : "zeitec,zet6223" +- reg : I2C slave address of the chip (0x76) +- interrupt-parent : a phandle pointing to the interrupt controller + serving the interrupt for this chip +- interrupts : interrupt specification for the zet6223 interrupt + +Optional properties: + +- vio-supply : Specification for VIO supply (1.8V or 3.3V, + depending on system interface needs). +- vcc-supply : Specification for 3.3V VCC supply. +- touchscreen-size-x : See touchscreen.txt +- touchscreen-size-y : See touchscreen.txt +- touchscreen-inverted-x : See touchscreen.txt +- touchscreen-inverted-y : See touchscreen.txt +- touchscreen-swapped-x-y : See touchscreen.txt + +Example: + +i2c@00000000 { + + zet6223: touchscreen@76 { + compatible = "zeitec,zet6223"; + reg = <0x76>; + interrupt-parent = <&pio>; + interrupts = <6 11 IRQ_TYPE_EDGE_FALLING> + }; + +}; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 16d3b5e7f5d1..e6f63f4a0d6d 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -329,6 +329,7 @@ xes Extreme Engineering Solutions (X-ES) xillybus Xillybus Ltd. xlnx Xilinx zarlink Zarlink Semiconductor +zeitec ZEITEC Semiconductor Co., LTD. zii Zodiac Inflight Innovations zte ZTE Corp. zyxel ZyXEL Communications Corp. |