linux-hardened/Documentation/devicetree/bindings/input/touchscreen/egalax-ts.txt
Rob Herring 791d3ef2e1 dt-bindings: remove 'interrupt-parent' from bindings
'interrupt-parent' is often documented as part of define bindings, but
it is really outside the scope of a device binding. It's never required
in a given node as it is often inherited from a parent node. Or it can
be implicit if a parent node is an 'interrupt-controller' node. So
remove it from all the binding files.

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
2018-07-25 14:09:39 -06:00

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* EETI eGalax Multiple Touch Controller
Required properties:
- compatible: must be "eeti,egalax_ts"
- reg: i2c slave address
- interrupts: touch controller interrupt
- wakeup-gpios: the gpio pin to be used for waking up the controller
and also used as irq pin
Example:
touchscreen@4 {
compatible = "eeti,egalax_ts";
reg = <0x04>;
interrupt-parent = <&gpio1>;
interrupts = <9 2>;
wakeup-gpios = <&gpio1 9 0>;
};