[PATCH] dt-bindings: input: Document the Zinitix Touchpad bindigns.
From: KwangDeok Son <hidden>
Date: 2020-11-13 10:24:40
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Dmitry Torokhov, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add DT bindings documentation for Zinitix I2C Touchpad. Signed-off-by: KwangDeok Son <redacted> ---
diff --git a/Documentation/devicetree/bindings/input/zinitix-touchpad.txt b/Documentation/devicetree/bindings/input/zinitix-touchpad.txt
index e69de29bb2d1..29a3fe9b58cb 100644
--- a/Documentation/devicetree/bindings/input/zinitix-touchpad.txt
+++ b/Documentation/devicetree/bindings/input/zinitix-touchpad.txt@@ -0,0 +1,28 @@ +Zinitix I2C Touchpad + + +Required properties: +- compatible: must be "zinitix,zntxtp". +- 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. +- vcc-supply: a phandle for the regulator supplying 2.7V to 3.6V power. + +[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt +[1]: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt + + +Example: + &i2c0 { + touchpad@40 { + compatible = "zinitix,zntxtp"; + reg = <0x40>; + interrupt-parent = <&gpio>; + interrupts = <0 IRQ_TYPE_EDGE_FALLING>; + wakeup-source; + }; + };