Files
android_kernel_xiaomi_sm8450/Documentation/devicetree/bindings/input/touchscreen/ar1021.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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* Microchip AR1020 and AR1021 touchscreen interface (I2C)
Required properties:
- compatible : "microchip,ar1021-i2c"
- reg : I2C slave address
- interrupts : touch controller interrupt
Example:
touchscreen@4d {
compatible = "microchip,ar1021-i2c";
reg = <0x4d>;
interrupt-parent = <&gpio3>;
interrupts = <11 IRQ_TYPE_LEVEL_HIGH>;
};