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android_kernel_samsung_sm87…/bindings/input/cypress,cyapa.txt
Melody Olvera 6f18ce8026 dt-bindings: Add devicetree bindings
Add snapshot of device tree bindings from keystone common kernel, branch
"android-mainline-keystone-qcom-release" at c4c12103f9c0 ("Snap for 9228065
from e32903b9a63bb558df8b803b076619c53c16baad to
android-mainline-keystone-qcom-release").

Change-Id: I7682079615cbd9f29340a5c1f2a1d84ec441a1f1
Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
2023-04-03 15:40:37 -07:00

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Cypress I2C Touchpad
Required properties:
- compatible: must be "cypress,cyapa".
- reg: I2C address of the chip.
- interrupts: interrupt to which the chip is connected (see interrupt
binding[0]).
Optional properties:
- wakeup-source: touchpad can be used as a wakeup source.
- pinctrl-names: should be "default" (see pinctrl binding [1]).
- pinctrl-0: a phandle pointing to the pin settings for the device (see
pinctrl binding [1]).
- vcc-supply: a phandle for the regulator supplying 3.3V power.
[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
[1]: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
Example:
&i2c0 {
/* ... */
/* Cypress Gen3 touchpad */
touchpad@67 {
compatible = "cypress,cyapa";
reg = <0x67>;
interrupt-parent = <&gpio>;
interrupts = <2 IRQ_TYPE_EDGE_FALLING>; /* GPIO 2 */
wakeup-source;
};
/* Cypress Gen5 and later touchpad */
touchpad@24 {
compatible = "cypress,cyapa";
reg = <0x24>;
interrupt-parent = <&gpio>;
interrupts = <2 IRQ_TYPE_EDGE_FALLING>; /* GPIO 2 */
wakeup-source;
};
/* ... */
};