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android_kernel_samsung_sm87…/bindings/input/twl4030-keypad.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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* TWL4030's Keypad Controller device tree bindings
TWL4030's Keypad controller is used to interface a SoC with a matrix-type
keypad device. The keypad controller supports multiple row and column lines.
A key can be placed at each intersection of a unique row and a unique column.
The keypad controller can sense a key-press and key-release and report the
event using a interrupt to the cpu.
This binding is based on the matrix-keymap binding with the following
changes:
* keypad,num-rows and keypad,num-columns are required.
Required SoC Specific Properties:
- compatible: should be one of the following
- "ti,twl4030-keypad": For controllers compatible with twl4030 keypad
controller.
- interrupt: should be one of the following
- <1>: For controllers compatible with twl4030 keypad controller.
Example:
twl_keypad: keypad {
compatible = "ti,twl4030-keypad";
interrupts = <1>;
keypad,num-rows = <8>;
keypad,num-columns = <8>;
};