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diff --git a/Bindings/input/cypress,tm2-touchkey.yaml b/Bindings/input/cypress,tm2-touchkey.yaml
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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/cypress,tm2-touchkey.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung TM2 touch key controller
+
+maintainers:
+ - Stephan Gerhold <stephan@gerhold.net>
+
+description: |
+ Touch key controllers similar to the TM2 can be found in a wide range of
+ Samsung devices. They are implemented using many different MCUs, but use
+ a similar I2C protocol.
+
+allOf:
+ - $ref: input.yaml#
+
+properties:
+ compatible:
+ enum:
+ - cypress,tm2-touchkey
+ - cypress,midas-touchkey
+ - cypress,aries-touchkey
+ - coreriver,tc360-touchkey
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ vdd-supply:
+ description: Optional regulator for LED voltage, 3.3V.
+
+ vcc-supply:
+ description: Optional regulator for MCU, 1.8V-3.3V (depending on MCU).
+
+ vddio-supply:
+ description: |
+ Optional regulator that provides digital I/O voltage,
+ e.g. for pulling up the interrupt line or the I2C pins.
+
+ linux,keycodes:
+ minItems: 1
+ maxItems: 4
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/input/input.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ touchkey@20 {
+ compatible = "cypress,tm2-touchkey";
+ reg = <0x20>;
+ interrupt-parent = <&gpa3>;
+ interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+ vcc-supply = <&ldo32_reg>;
+ vdd-supply = <&ldo33_reg>;
+ linux,keycodes = <KEY_MENU KEY_BACK>;
+ };
+ };