# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/input/ti,tca8418.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: TI TCA8418 I2C/SMBus keypad scanner

maintainers:
  - Frank Li <Frank.Li@nxp.com>

properties:
  compatible:
    enum:
      - ti,tca8418

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

required:
  - compatible
  - reg
  - interrupts

allOf:
  - $ref: matrix-keymap.yaml#

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/input/input.h>
    #include <dt-bindings/interrupt-controller/irq.h>
 
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;
 
        keypad@34 {
            compatible = "ti,tca8418";
            reg = <0x34>;
            interrupt-parent = <&gpio5>;
            interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
            keypad,num-rows = <4>;
            keypad,num-columns = <4>;
            linux,keymap = < MATRIX_KEY(0x00, 0x01, BTN_0)
                             MATRIX_KEY(0x00, 0x00, BTN_1)
                             MATRIX_KEY(0x01, 0x01, BTN_2)
                             MATRIX_KEY(0x01, 0x00, BTN_3)
                             MATRIX_KEY(0x02, 0x00, BTN_4)
                             MATRIX_KEY(0x00, 0x03, BTN_5)
                             MATRIX_KEY(0x00, 0x02, BTN_6)
                             MATRIX_KEY(0x01, 0x03, BTN_7)
                             MATRIX_KEY(0x01, 0x02, BTN_8)
                             MATRIX_KEY(0x02, 0x02, BTN_9)
            >;
        };
    };